hotspot/src/cpu/ppc/vm/templateTable_ppc_64.cpp
author jprovino
Wed, 04 Feb 2015 10:18:28 -0500
changeset 28837 fda2ab610119
parent 28492 57fecf138f7b
child 29695 7f733c2a8db4
child 30119 7c3010fca7e7
permissions -rw-r--r--
8071805: BarrierSet::Other is not used and should be removed. Summary: Remove all occurences of BarrierSet::Other because the barrier set kind is never set to Other. Reviewed-by: tschatzl, kbarrett
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/*
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 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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 * Copyright 2013, 2015 SAP AG. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "asm/macroAssembler.inline.hpp"
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#include "interpreter/interpreter.hpp"
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#include "interpreter/interpreterRuntime.hpp"
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#include "interpreter/interp_masm.hpp"
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#include "interpreter/templateInterpreter.hpp"
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#include "interpreter/templateTable.hpp"
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#include "memory/universe.inline.hpp"
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#include "oops/objArrayKlass.hpp"
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#include "oops/oop.inline.hpp"
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#include "prims/methodHandles.hpp"
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#include "runtime/sharedRuntime.hpp"
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#include "runtime/stubRoutines.hpp"
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#include "runtime/synchronizer.hpp"
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#include "utilities/macros.hpp"
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#ifndef CC_INTERP
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#undef __
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#define __ _masm->
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// ============================================================================
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// Misc helpers
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// Do an oop store like *(base + index) = val OR *(base + offset) = val
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// (only one of both variants is possible at the same time).
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// Index can be noreg.
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// Kills:
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//   Rbase, Rtmp
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static void do_oop_store(InterpreterMacroAssembler* _masm,
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                         Register           Rbase,
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                         RegisterOrConstant offset,
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                         Register           Rval,         // Noreg means always null.
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                         Register           Rtmp1,
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                         Register           Rtmp2,
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                         Register           Rtmp3,
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                         BarrierSet::Name   barrier,
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                         bool               precise,
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                         bool               check_null) {
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  assert_different_registers(Rtmp1, Rtmp2, Rtmp3, Rval, Rbase);
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  switch (barrier) {
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#if INCLUDE_ALL_GCS
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    case BarrierSet::G1SATBCT:
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    case BarrierSet::G1SATBCTLogging:
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      {
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        // Load and record the previous value.
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        __ g1_write_barrier_pre(Rbase, offset,
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                                Rtmp3, /* holder of pre_val ? */
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                                Rtmp1, Rtmp2, false /* frame */);
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        Label Lnull, Ldone;
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        if (Rval != noreg) {
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          if (check_null) {
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            __ cmpdi(CCR0, Rval, 0);
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            __ beq(CCR0, Lnull);
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          }
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          __ store_heap_oop_not_null(Rval, offset, Rbase, /*Rval must stay uncompressed.*/ Rtmp1);
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          // Mark the card.
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          if (!(offset.is_constant() && offset.as_constant() == 0) && precise) {
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            __ add(Rbase, offset, Rbase);
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          }
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          __ g1_write_barrier_post(Rbase, Rval, Rtmp1, Rtmp2, Rtmp3, /*filtered (fast path)*/ &Ldone);
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          if (check_null) { __ b(Ldone); }
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        }
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        if (Rval == noreg || check_null) { // Store null oop.
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          Register Rnull = Rval;
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          __ bind(Lnull);
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          if (Rval == noreg) {
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            Rnull = Rtmp1;
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            __ li(Rnull, 0);
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          }
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          if (UseCompressedOops) {
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            __ stw(Rnull, offset, Rbase);
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          } else {
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            __ std(Rnull, offset, Rbase);
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          }
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        }
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        __ bind(Ldone);
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      }
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      break;
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#endif // INCLUDE_ALL_GCS
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    case BarrierSet::CardTableModRef:
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    case BarrierSet::CardTableExtension:
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      {
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        Label Lnull, Ldone;
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        if (Rval != noreg) {
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          if (check_null) {
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            __ cmpdi(CCR0, Rval, 0);
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            __ beq(CCR0, Lnull);
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          }
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          __ store_heap_oop_not_null(Rval, offset, Rbase, /*Rval should better stay uncompressed.*/ Rtmp1);
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          // Mark the card.
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          if (!(offset.is_constant() && offset.as_constant() == 0) && precise) {
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            __ add(Rbase, offset, Rbase);
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          }
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          __ card_write_barrier_post(Rbase, Rval, Rtmp1);
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          if (check_null) {
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            __ b(Ldone);
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          }
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        }
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        if (Rval == noreg || check_null) { // Store null oop.
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          Register Rnull = Rval;
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          __ bind(Lnull);
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          if (Rval == noreg) {
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            Rnull = Rtmp1;
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            __ li(Rnull, 0);
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          }
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          if (UseCompressedOops) {
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            __ stw(Rnull, offset, Rbase);
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          } else {
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            __ std(Rnull, offset, Rbase);
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          }
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        }
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        __ bind(Ldone);
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      }
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      break;
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    case BarrierSet::ModRef:
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      ShouldNotReachHere();
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      break;
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    default:
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      ShouldNotReachHere();
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  }
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}
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// ============================================================================
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// Platform-dependent initialization
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void TemplateTable::pd_initialize() {
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  // No ppc64 specific initialization.
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}
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Address TemplateTable::at_bcp(int offset) {
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  // Not used on ppc.
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  ShouldNotReachHere();
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  return Address();
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}
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// Patches the current bytecode (ptr to it located in bcp)
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// in the bytecode stream with a new one.
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void TemplateTable::patch_bytecode(Bytecodes::Code new_bc, Register Rnew_bc, Register Rtemp, bool load_bc_into_bc_reg /*=true*/, int byte_no) {
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  // With sharing on, may need to test method flag.
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  if (!RewriteBytecodes) return;
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  Label L_patch_done;
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  switch (new_bc) {
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    case Bytecodes::_fast_aputfield:
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    case Bytecodes::_fast_bputfield:
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    case Bytecodes::_fast_cputfield:
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    case Bytecodes::_fast_dputfield:
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    case Bytecodes::_fast_fputfield:
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    case Bytecodes::_fast_iputfield:
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    case Bytecodes::_fast_lputfield:
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    case Bytecodes::_fast_sputfield:
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    {
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      // We skip bytecode quickening for putfield instructions when
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      // the put_code written to the constant pool cache is zero.
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      // This is required so that every execution of this instruction
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      // calls out to InterpreterRuntime::resolve_get_put to do
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      // additional, required work.
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      assert(byte_no == f1_byte || byte_no == f2_byte, "byte_no out of range");
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      assert(load_bc_into_bc_reg, "we use bc_reg as temp");
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      __ get_cache_and_index_at_bcp(Rtemp /* dst = cache */, 1);
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      // ((*(cache+indices))>>((1+byte_no)*8))&0xFF:
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#if defined(VM_LITTLE_ENDIAN)
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      __ lbz(Rnew_bc, in_bytes(ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::indices_offset()) + 1 + byte_no, Rtemp);
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#else
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      __ lbz(Rnew_bc, in_bytes(ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::indices_offset()) + 7 - (1 + byte_no), Rtemp);
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#endif
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      __ cmpwi(CCR0, Rnew_bc, 0);
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      __ li(Rnew_bc, (unsigned int)(unsigned char)new_bc);
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      __ beq(CCR0, L_patch_done);
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      // __ isync(); // acquire not needed
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      break;
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    }
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    default:
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      assert(byte_no == -1, "sanity");
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      if (load_bc_into_bc_reg) {
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        __ li(Rnew_bc, (unsigned int)(unsigned char)new_bc);
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      }
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  }
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  if (JvmtiExport::can_post_breakpoint()) {
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    Label L_fast_patch;
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    __ lbz(Rtemp, 0, R14_bcp);
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    __ cmpwi(CCR0, Rtemp, (unsigned int)(unsigned char)Bytecodes::_breakpoint);
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    __ bne(CCR0, L_fast_patch);
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    // Perform the quickening, slowly, in the bowels of the breakpoint table.
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    __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::set_original_bytecode_at), R19_method, R14_bcp, Rnew_bc);
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    __ b(L_patch_done);
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    __ bind(L_fast_patch);
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  }
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   221
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  // Patch bytecode.
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  __ stb(Rnew_bc, 0, R14_bcp);
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  __ bind(L_patch_done);
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   226
}
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// ============================================================================
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// Individual instructions
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   230
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void TemplateTable::nop() {
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  transition(vtos, vtos);
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  // Nothing to do.
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}
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   235
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void TemplateTable::shouldnotreachhere() {
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  transition(vtos, vtos);
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  __ stop("shouldnotreachhere bytecode");
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   239
}
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   240
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void TemplateTable::aconst_null() {
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  transition(vtos, atos);
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  __ li(R17_tos, 0);
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   244
}
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   245
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void TemplateTable::iconst(int value) {
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  transition(vtos, itos);
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  assert(value >= -1 && value <= 5, "");
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  __ li(R17_tos, value);
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   250
}
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   251
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void TemplateTable::lconst(int value) {
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  transition(vtos, ltos);
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  assert(value >= -1 && value <= 5, "");
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  __ li(R17_tos, value);
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   256
}
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void TemplateTable::fconst(int value) {
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  transition(vtos, ftos);
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  static float zero = 0.0;
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  static float one  = 1.0;
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  static float two  = 2.0;
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   263
  switch (value) {
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   264
    default: ShouldNotReachHere();
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    case 0: {
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      int simm16_offset = __ load_const_optimized(R11_scratch1, (address*)&zero, R0, true);
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      __ lfs(F15_ftos, simm16_offset, R11_scratch1);
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   268
      break;
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    }
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    case 1: {
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      int simm16_offset = __ load_const_optimized(R11_scratch1, (address*)&one, R0, true);
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      __ lfs(F15_ftos, simm16_offset, R11_scratch1);
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      break;
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    }
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    case 2: {
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      int simm16_offset = __ load_const_optimized(R11_scratch1, (address*)&two, R0, true);
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      __ lfs(F15_ftos, simm16_offset, R11_scratch1);
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   278
      break;
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   279
    }
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  }
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}
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void TemplateTable::dconst(int value) {
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  transition(vtos, dtos);
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  static double zero = 0.0;
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  static double one  = 1.0;
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  switch (value) {
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    case 0: {
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      int simm16_offset = __ load_const_optimized(R11_scratch1, (address*)&zero, R0, true);
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      __ lfd(F15_ftos, simm16_offset, R11_scratch1);
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   291
      break;
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    }
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    case 1: {
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      int simm16_offset = __ load_const_optimized(R11_scratch1, (address*)&one, R0, true);
23221
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      __ lfd(F15_ftos, simm16_offset, R11_scratch1);
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   296
      break;
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   297
    }
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   298
    default: ShouldNotReachHere();
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   299
  }
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}
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   301
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void TemplateTable::bipush() {
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  transition(vtos, itos);
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  __ lbz(R17_tos, 1, R14_bcp);
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   305
  __ extsb(R17_tos, R17_tos);
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   306
}
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   307
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void TemplateTable::sipush() {
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  transition(vtos, itos);
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  __ get_2_byte_integer_at_bcp(1, R17_tos, InterpreterMacroAssembler::Signed);
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}
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   312
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void TemplateTable::ldc(bool wide) {
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  Register Rscratch1 = R11_scratch1,
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           Rscratch2 = R12_scratch2,
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           Rcpool    = R3_ARG1;
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  transition(vtos, vtos);
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  Label notInt, notClass, exit;
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   320
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  __ get_cpool_and_tags(Rcpool, Rscratch2); // Set Rscratch2 = &tags.
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  if (wide) { // Read index.
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    __ get_2_byte_integer_at_bcp(1, Rscratch1, InterpreterMacroAssembler::Unsigned);
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  } else {
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    __ lbz(Rscratch1, 1, R14_bcp);
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   326
  }
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   328
  const int base_offset = ConstantPool::header_size() * wordSize;
b70675ece1ce 8036976: PPC64: implement the template interpreter
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parents:
diff changeset
   329
  const int tags_offset = Array<u1>::base_offset_in_bytes();
b70675ece1ce 8036976: PPC64: implement the template interpreter
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parents:
diff changeset
   330
b70675ece1ce 8036976: PPC64: implement the template interpreter
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parents:
diff changeset
   331
  // Get type from tags.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   332
  __ addi(Rscratch2, Rscratch2, tags_offset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   333
  __ lbzx(Rscratch2, Rscratch2, Rscratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   334
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   335
  __ cmpwi(CCR0, Rscratch2, JVM_CONSTANT_UnresolvedClass); // Unresolved class?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   336
  __ cmpwi(CCR1, Rscratch2, JVM_CONSTANT_UnresolvedClassInError); // Unresolved class in error state?
28492
57fecf138f7b 8068724: ppc64: update assembler: SPR access, CR logic, HTM
mdoerr
parents: 28187
diff changeset
   337
  __ cror(CCR0, Assembler::equal, CCR1, Assembler::equal);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   338
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   339
  // Resolved class - need to call vm to get java mirror of the class.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   340
  __ cmpwi(CCR1, Rscratch2, JVM_CONSTANT_Class);
28492
57fecf138f7b 8068724: ppc64: update assembler: SPR access, CR logic, HTM
mdoerr
parents: 28187
diff changeset
   341
  __ crnor(CCR0, Assembler::equal, CCR1, Assembler::equal); // Neither resolved class nor unresolved case from above?
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
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parents:
diff changeset
   342
  __ beq(CCR0, notClass);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   343
b70675ece1ce 8036976: PPC64: implement the template interpreter
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parents:
diff changeset
   344
  __ li(R4, wide ? 1 : 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
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parents:
diff changeset
   345
  call_VM(R17_tos, CAST_FROM_FN_PTR(address, InterpreterRuntime::ldc), R4);
b70675ece1ce 8036976: PPC64: implement the template interpreter
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parents:
diff changeset
   346
  __ push(atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
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parents:
diff changeset
   347
  __ b(exit);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   348
b70675ece1ce 8036976: PPC64: implement the template interpreter
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parents:
diff changeset
   349
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   350
  __ bind(notClass);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   351
  __ addi(Rcpool, Rcpool, base_offset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   352
  __ sldi(Rscratch1, Rscratch1, LogBytesPerWord);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   353
  __ cmpdi(CCR0, Rscratch2, JVM_CONSTANT_Integer);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   354
  __ bne(CCR0, notInt);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   355
  __ lwax(R17_tos, Rcpool, Rscratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   356
  __ push(itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   357
  __ b(exit);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   358
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   359
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   360
  __ bind(notInt);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   361
#ifdef ASSERT
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   362
  // String and Object are rewritten to fast_aldc
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   363
  __ cmpdi(CCR0, Rscratch2, JVM_CONSTANT_Float);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   364
  __ asm_assert_eq("unexpected type", 0x8765);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   365
#endif
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   366
  __ lfsx(F15_ftos, Rcpool, Rscratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   367
  __ push(ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   368
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   369
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   370
  __ bind(exit);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   371
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   372
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   373
// Fast path for caching oop constants.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   374
void TemplateTable::fast_aldc(bool wide) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   375
  transition(vtos, atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   376
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   377
  int index_size = wide ? sizeof(u2) : sizeof(u1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   378
  const Register Rscratch = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   379
  Label resolved;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   380
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   381
  // We are resolved if the resolved reference cache entry contains a
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   382
  // non-null object (CallSite, etc.)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   383
  __ get_cache_index_at_bcp(Rscratch, 1, index_size);  // Load index.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   384
  __ load_resolved_reference_at_index(R17_tos, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   385
  __ cmpdi(CCR0, R17_tos, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   386
  __ bne(CCR0, resolved);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   387
  __ load_const_optimized(R3_ARG1, (int)bytecode());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   388
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   389
  address entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   390
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   391
  // First time invocation - must resolve first.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   392
  __ call_VM(R17_tos, entry, R3_ARG1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   393
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   394
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   395
  __ bind(resolved);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   396
  __ verify_oop(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   397
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   398
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   399
void TemplateTable::ldc2_w() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   400
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   401
  Label Llong, Lexit;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   402
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   403
  Register Rindex = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   404
           Rcpool = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   405
           Rtag   = R3_ARG1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   406
  __ get_cpool_and_tags(Rcpool, Rtag);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   407
  __ get_2_byte_integer_at_bcp(1, Rindex, InterpreterMacroAssembler::Unsigned);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   408
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   409
  const int base_offset = ConstantPool::header_size() * wordSize;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   410
  const int tags_offset = Array<u1>::base_offset_in_bytes();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   411
  // Get type from tags.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   412
  __ addi(Rcpool, Rcpool, base_offset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   413
  __ addi(Rtag, Rtag, tags_offset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   414
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   415
  __ lbzx(Rtag, Rtag, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   416
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   417
  __ sldi(Rindex, Rindex, LogBytesPerWord);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   418
  __ cmpdi(CCR0, Rtag, JVM_CONSTANT_Double);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   419
  __ bne(CCR0, Llong);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   420
  // A double can be placed at word-aligned locations in the constant pool.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   421
  // Check out Conversions.java for an example.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   422
  // Also ConstantPool::header_size() is 20, which makes it very difficult
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   423
  // to double-align double on the constant pool. SG, 11/7/97
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   424
  __ lfdx(F15_ftos, Rcpool, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   425
  __ push(dtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   426
  __ b(Lexit);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   427
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   428
  __ bind(Llong);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   429
  __ ldx(R17_tos, Rcpool, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   430
  __ push(ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   431
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   432
  __ bind(Lexit);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   433
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   434
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   435
// Get the locals index located in the bytecode stream at bcp + offset.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   436
void TemplateTable::locals_index(Register Rdst, int offset) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   437
  __ lbz(Rdst, offset, R14_bcp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   438
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   439
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   440
void TemplateTable::iload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   441
  transition(vtos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   442
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   443
  // Get the local value into tos
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   444
  const Register Rindex = R22_tmp2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   445
  locals_index(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   446
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   447
  // Rewrite iload,iload  pair into fast_iload2
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   448
  //         iload,caload pair into fast_icaload
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   449
  if (RewriteFrequentPairs) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   450
    Label Lrewrite, Ldone;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   451
    Register Rnext_byte  = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   452
             Rrewrite_to = R6_ARG4,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   453
             Rscratch    = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   454
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   455
    // get next byte
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   456
    __ lbz(Rnext_byte, Bytecodes::length_for(Bytecodes::_iload), R14_bcp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   457
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   458
    // if _iload, wait to rewrite to iload2. We only want to rewrite the
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   459
    // last two iloads in a pair. Comparing against fast_iload means that
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   460
    // the next bytecode is neither an iload or a caload, and therefore
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   461
    // an iload pair.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   462
    __ cmpwi(CCR0, Rnext_byte, (unsigned int)(unsigned char)Bytecodes::_iload);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   463
    __ beq(CCR0, Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   464
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   465
    __ cmpwi(CCR1, Rnext_byte, (unsigned int)(unsigned char)Bytecodes::_fast_iload);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   466
    __ li(Rrewrite_to, (unsigned int)(unsigned char)Bytecodes::_fast_iload2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   467
    __ beq(CCR1, Lrewrite);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   468
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   469
    __ cmpwi(CCR0, Rnext_byte, (unsigned int)(unsigned char)Bytecodes::_caload);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   470
    __ li(Rrewrite_to, (unsigned int)(unsigned char)Bytecodes::_fast_icaload);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   471
    __ beq(CCR0, Lrewrite);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   472
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   473
    __ li(Rrewrite_to, (unsigned int)(unsigned char)Bytecodes::_fast_iload);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   474
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   475
    __ bind(Lrewrite);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   476
    patch_bytecode(Bytecodes::_iload, Rrewrite_to, Rscratch, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   477
    __ bind(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   478
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   479
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   480
  __ load_local_int(R17_tos, Rindex, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   481
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   482
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   483
// Load 2 integers in a row without dispatching
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   484
void TemplateTable::fast_iload2() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   485
  transition(vtos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   486
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   487
  __ lbz(R3_ARG1, 1, R14_bcp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   488
  __ lbz(R17_tos, Bytecodes::length_for(Bytecodes::_iload) + 1, R14_bcp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   489
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   490
  __ load_local_int(R3_ARG1, R11_scratch1, R3_ARG1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   491
  __ load_local_int(R17_tos, R12_scratch2, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   492
  __ push_i(R3_ARG1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   493
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   494
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   495
void TemplateTable::fast_iload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   496
  transition(vtos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   497
  // Get the local value into tos
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   498
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   499
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   500
  locals_index(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   501
  __ load_local_int(R17_tos, Rindex, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   502
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   503
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   504
// Load a local variable type long from locals area to TOS cache register.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   505
// Local index resides in bytecodestream.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   506
void TemplateTable::lload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   507
  transition(vtos, ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   508
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   509
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   510
  locals_index(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   511
  __ load_local_long(R17_tos, Rindex, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   512
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   513
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   514
void TemplateTable::fload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   515
  transition(vtos, ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   516
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   517
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   518
  locals_index(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   519
  __ load_local_float(F15_ftos, Rindex, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   520
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   521
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   522
void TemplateTable::dload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   523
  transition(vtos, dtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   524
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   525
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   526
  locals_index(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   527
  __ load_local_double(F15_ftos, Rindex, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   528
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   529
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   530
void TemplateTable::aload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   531
  transition(vtos, atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   532
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   533
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   534
  locals_index(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   535
  __ load_local_ptr(R17_tos, Rindex, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   536
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   537
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   538
void TemplateTable::locals_index_wide(Register Rdst) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   539
  // Offset is 2, not 1, because Lbcp points to wide prefix code.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   540
  __ get_2_byte_integer_at_bcp(2, Rdst, InterpreterMacroAssembler::Unsigned);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   541
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   542
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   543
void TemplateTable::wide_iload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   544
  // Get the local value into tos.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   545
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   546
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   547
  locals_index_wide(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   548
  __ load_local_int(R17_tos, Rindex, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   549
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   550
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   551
void TemplateTable::wide_lload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   552
  transition(vtos, ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   553
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   554
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   555
  locals_index_wide(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   556
  __ load_local_long(R17_tos, Rindex, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   557
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   558
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   559
void TemplateTable::wide_fload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   560
  transition(vtos, ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   561
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   562
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   563
  locals_index_wide(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   564
  __ load_local_float(F15_ftos, Rindex, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   565
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   566
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   567
void TemplateTable::wide_dload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   568
  transition(vtos, dtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   569
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   570
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   571
  locals_index_wide(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   572
  __ load_local_double(F15_ftos, Rindex, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   573
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   574
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   575
void TemplateTable::wide_aload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   576
  transition(vtos, atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   577
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   578
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   579
  locals_index_wide(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   580
  __ load_local_ptr(R17_tos, Rindex, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   581
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   582
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   583
void TemplateTable::iaload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   584
  transition(itos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   585
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   586
  const Register Rload_addr = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   587
                 Rarray     = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   588
                 Rtemp      = R5_ARG3;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   589
  __ index_check(Rarray, R17_tos /* index */, LogBytesPerInt, Rtemp, Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   590
  __ lwa(R17_tos, arrayOopDesc::base_offset_in_bytes(T_INT), Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   591
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   592
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   593
void TemplateTable::laload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   594
  transition(itos, ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   595
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   596
  const Register Rload_addr = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   597
                 Rarray     = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   598
                 Rtemp      = R5_ARG3;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   599
  __ index_check(Rarray, R17_tos /* index */, LogBytesPerLong, Rtemp, Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   600
  __ ld(R17_tos, arrayOopDesc::base_offset_in_bytes(T_LONG), Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   601
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   602
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   603
void TemplateTable::faload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   604
  transition(itos, ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   605
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   606
  const Register Rload_addr = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   607
                 Rarray     = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   608
                 Rtemp      = R5_ARG3;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   609
  __ index_check(Rarray, R17_tos /* index */, LogBytesPerInt, Rtemp, Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   610
  __ lfs(F15_ftos, arrayOopDesc::base_offset_in_bytes(T_FLOAT), Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   611
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   612
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   613
void TemplateTable::daload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   614
  transition(itos, dtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   615
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   616
  const Register Rload_addr = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   617
                 Rarray     = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   618
                 Rtemp      = R5_ARG3;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   619
  __ index_check(Rarray, R17_tos /* index */, LogBytesPerLong, Rtemp, Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   620
  __ lfd(F15_ftos, arrayOopDesc::base_offset_in_bytes(T_DOUBLE), Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   621
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   622
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   623
void TemplateTable::aaload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   624
  transition(itos, atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   625
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   626
  // tos: index
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   627
  // result tos: array
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   628
  const Register Rload_addr = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   629
                 Rarray     = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   630
                 Rtemp      = R5_ARG3;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   631
  __ index_check(Rarray, R17_tos /* index */, UseCompressedOops ? 2 : LogBytesPerWord, Rtemp, Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   632
  __ load_heap_oop(R17_tos, arrayOopDesc::base_offset_in_bytes(T_OBJECT), Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   633
  __ verify_oop(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   634
  //__ dcbt(R17_tos); // prefetch
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   635
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   636
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   637
void TemplateTable::baload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   638
  transition(itos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   639
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   640
  const Register Rload_addr = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   641
                 Rarray     = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   642
                 Rtemp      = R5_ARG3;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   643
  __ index_check(Rarray, R17_tos /* index */, 0, Rtemp, Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   644
  __ lbz(R17_tos, arrayOopDesc::base_offset_in_bytes(T_BYTE), Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   645
  __ extsb(R17_tos, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   646
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   647
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   648
void TemplateTable::caload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   649
  transition(itos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   650
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   651
  const Register Rload_addr = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   652
                 Rarray     = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   653
                 Rtemp      = R5_ARG3;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   654
  __ index_check(Rarray, R17_tos /* index */, LogBytesPerShort, Rtemp, Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   655
  __ lhz(R17_tos, arrayOopDesc::base_offset_in_bytes(T_CHAR), Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   656
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   657
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   658
// Iload followed by caload frequent pair.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   659
void TemplateTable::fast_icaload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   660
  transition(vtos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   661
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   662
  const Register Rload_addr = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   663
                 Rarray     = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   664
                 Rtemp      = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   665
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   666
  locals_index(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   667
  __ load_local_int(R17_tos, Rtemp, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   668
  __ index_check(Rarray, R17_tos /* index */, LogBytesPerShort, Rtemp, Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   669
  __ lhz(R17_tos, arrayOopDesc::base_offset_in_bytes(T_CHAR), Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   670
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   671
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   672
void TemplateTable::saload() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   673
  transition(itos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   674
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   675
  const Register Rload_addr = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   676
                 Rarray     = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   677
                 Rtemp      = R3_ARG1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   678
  __ index_check(Rarray, R17_tos /* index */, LogBytesPerShort, Rtemp, Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   679
  __ lha(R17_tos, arrayOopDesc::base_offset_in_bytes(T_SHORT), Rload_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   680
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   681
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   682
void TemplateTable::iload(int n) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   683
  transition(vtos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   684
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   685
  __ lwz(R17_tos, Interpreter::local_offset_in_bytes(n), R18_locals);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   686
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   687
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   688
void TemplateTable::lload(int n) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   689
  transition(vtos, ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   690
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   691
  __ ld(R17_tos, Interpreter::local_offset_in_bytes(n + 1), R18_locals);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   692
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   693
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   694
void TemplateTable::fload(int n) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   695
  transition(vtos, ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   696
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   697
  __ lfs(F15_ftos, Interpreter::local_offset_in_bytes(n), R18_locals);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   698
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   699
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   700
void TemplateTable::dload(int n) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   701
  transition(vtos, dtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   702
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   703
  __ lfd(F15_ftos, Interpreter::local_offset_in_bytes(n + 1), R18_locals);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   704
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   705
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   706
void TemplateTable::aload(int n) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   707
  transition(vtos, atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   708
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   709
  __ ld(R17_tos, Interpreter::local_offset_in_bytes(n), R18_locals);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   710
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   711
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   712
void TemplateTable::aload_0() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   713
  transition(vtos, atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   714
  // According to bytecode histograms, the pairs:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   715
  //
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   716
  // _aload_0, _fast_igetfield
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   717
  // _aload_0, _fast_agetfield
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   718
  // _aload_0, _fast_fgetfield
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   719
  //
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   720
  // occur frequently. If RewriteFrequentPairs is set, the (slow)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   721
  // _aload_0 bytecode checks if the next bytecode is either
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   722
  // _fast_igetfield, _fast_agetfield or _fast_fgetfield and then
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   723
  // rewrites the current bytecode into a pair bytecode; otherwise it
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   724
  // rewrites the current bytecode into _0 that doesn't do
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   725
  // the pair check anymore.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   726
  //
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   727
  // Note: If the next bytecode is _getfield, the rewrite must be
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   728
  //       delayed, otherwise we may miss an opportunity for a pair.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   729
  //
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   730
  // Also rewrite frequent pairs
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   731
  //   aload_0, aload_1
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   732
  //   aload_0, iload_1
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   733
  // These bytecodes with a small amount of code are most profitable
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   734
  // to rewrite.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   735
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   736
  if (RewriteFrequentPairs) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   737
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   738
    Label Lrewrite, Ldont_rewrite;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   739
    Register Rnext_byte  = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   740
             Rrewrite_to = R6_ARG4,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   741
             Rscratch    = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   742
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   743
    // Get next byte.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   744
    __ lbz(Rnext_byte, Bytecodes::length_for(Bytecodes::_aload_0), R14_bcp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   745
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   746
    // If _getfield, wait to rewrite. We only want to rewrite the last two bytecodes in a pair.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   747
    __ cmpwi(CCR0, Rnext_byte, (unsigned int)(unsigned char)Bytecodes::_getfield);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   748
    __ beq(CCR0, Ldont_rewrite);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   749
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   750
    __ cmpwi(CCR1, Rnext_byte, (unsigned int)(unsigned char)Bytecodes::_fast_igetfield);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   751
    __ li(Rrewrite_to, (unsigned int)(unsigned char)Bytecodes::_fast_iaccess_0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   752
    __ beq(CCR1, Lrewrite);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   753
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   754
    __ cmpwi(CCR0, Rnext_byte, (unsigned int)(unsigned char)Bytecodes::_fast_agetfield);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   755
    __ li(Rrewrite_to, (unsigned int)(unsigned char)Bytecodes::_fast_aaccess_0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   756
    __ beq(CCR0, Lrewrite);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   757
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   758
    __ cmpwi(CCR1, Rnext_byte, (unsigned int)(unsigned char)Bytecodes::_fast_fgetfield);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   759
    __ li(Rrewrite_to, (unsigned int)(unsigned char)Bytecodes::_fast_faccess_0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   760
    __ beq(CCR1, Lrewrite);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   761
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   762
    __ li(Rrewrite_to, (unsigned int)(unsigned char)Bytecodes::_fast_aload_0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   763
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   764
    __ bind(Lrewrite);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   765
    patch_bytecode(Bytecodes::_aload_0, Rrewrite_to, Rscratch, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   766
    __ bind(Ldont_rewrite);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   767
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   768
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   769
  // Do actual aload_0 (must do this after patch_bytecode which might call VM and GC might change oop).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   770
  aload(0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   771
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   772
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   773
void TemplateTable::istore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   774
  transition(itos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   775
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   776
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   777
  locals_index(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   778
  __ store_local_int(R17_tos, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   779
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   780
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   781
void TemplateTable::lstore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   782
  transition(ltos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   783
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   784
  locals_index(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   785
  __ store_local_long(R17_tos, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   786
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   787
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   788
void TemplateTable::fstore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   789
  transition(ftos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   790
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   791
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   792
  locals_index(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   793
  __ store_local_float(F15_ftos, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   794
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   795
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   796
void TemplateTable::dstore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   797
  transition(dtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   798
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   799
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   800
  locals_index(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   801
  __ store_local_double(F15_ftos, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   802
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   803
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   804
void TemplateTable::astore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   805
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   806
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   807
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   808
  __ pop_ptr();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   809
  __ verify_oop_or_return_address(R17_tos, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   810
  locals_index(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   811
  __ store_local_ptr(R17_tos, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   812
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   813
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   814
void TemplateTable::wide_istore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   815
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   816
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   817
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   818
  __ pop_i();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   819
  locals_index_wide(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   820
  __ store_local_int(R17_tos, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   821
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   822
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   823
void TemplateTable::wide_lstore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   824
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   825
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   826
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   827
  __ pop_l();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   828
  locals_index_wide(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   829
  __ store_local_long(R17_tos, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   830
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   831
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   832
void TemplateTable::wide_fstore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   833
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   834
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   835
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   836
  __ pop_f();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   837
  locals_index_wide(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   838
  __ store_local_float(F15_ftos, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   839
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   840
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   841
void TemplateTable::wide_dstore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   842
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   843
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   844
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   845
  __ pop_d();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   846
  locals_index_wide(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   847
  __ store_local_double(F15_ftos, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   848
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   849
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   850
void TemplateTable::wide_astore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   851
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   852
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   853
  const Register Rindex = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   854
  __ pop_ptr();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   855
  __ verify_oop_or_return_address(R17_tos, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   856
  locals_index_wide(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   857
  __ store_local_ptr(R17_tos, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   858
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   859
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   860
void TemplateTable::iastore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   861
  transition(itos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   862
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   863
  const Register Rindex      = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   864
                 Rstore_addr = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   865
                 Rarray      = R5_ARG3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   866
                 Rtemp       = R6_ARG4;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   867
  __ pop_i(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   868
  __ index_check(Rarray, Rindex, LogBytesPerInt, Rtemp, Rstore_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   869
  __ stw(R17_tos, arrayOopDesc::base_offset_in_bytes(T_INT), Rstore_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   870
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   871
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   872
void TemplateTable::lastore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   873
  transition(ltos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   874
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   875
  const Register Rindex      = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   876
                 Rstore_addr = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   877
                 Rarray      = R5_ARG3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   878
                 Rtemp       = R6_ARG4;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   879
  __ pop_i(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   880
  __ index_check(Rarray, Rindex, LogBytesPerLong, Rtemp, Rstore_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   881
  __ std(R17_tos, arrayOopDesc::base_offset_in_bytes(T_LONG), Rstore_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   882
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   883
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   884
void TemplateTable::fastore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   885
  transition(ftos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   886
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   887
  const Register Rindex      = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   888
                 Rstore_addr = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   889
                 Rarray      = R5_ARG3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   890
                 Rtemp       = R6_ARG4;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   891
  __ pop_i(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   892
  __ index_check(Rarray, Rindex, LogBytesPerInt, Rtemp, Rstore_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   893
  __ stfs(F15_ftos, arrayOopDesc::base_offset_in_bytes(T_FLOAT), Rstore_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   894
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   895
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   896
void TemplateTable::dastore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   897
  transition(dtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   898
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   899
  const Register Rindex      = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   900
                 Rstore_addr = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   901
                 Rarray      = R5_ARG3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   902
                 Rtemp       = R6_ARG4;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   903
  __ pop_i(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   904
  __ index_check(Rarray, Rindex, LogBytesPerLong, Rtemp, Rstore_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   905
  __ stfd(F15_ftos, arrayOopDesc::base_offset_in_bytes(T_DOUBLE), Rstore_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   906
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   907
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   908
// Pop 3 values from the stack and...
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   909
void TemplateTable::aastore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   910
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   911
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   912
  Label Lstore_ok, Lis_null, Ldone;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   913
  const Register Rindex    = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   914
                 Rarray    = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   915
                 Rscratch  = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   916
                 Rscratch2 = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   917
                 Rarray_klass = R5_ARG3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   918
                 Rarray_element_klass = Rarray_klass,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   919
                 Rvalue_klass = R6_ARG4,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   920
                 Rstore_addr = R31;    // Use register which survives VM call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   921
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   922
  __ ld(R17_tos, Interpreter::expr_offset_in_bytes(0), R15_esp); // Get value to store.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   923
  __ lwz(Rindex, Interpreter::expr_offset_in_bytes(1), R15_esp); // Get index.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   924
  __ ld(Rarray, Interpreter::expr_offset_in_bytes(2), R15_esp);  // Get array.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   925
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   926
  __ verify_oop(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   927
  __ index_check_without_pop(Rarray, Rindex, UseCompressedOops ? 2 : LogBytesPerWord, Rscratch, Rstore_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   928
  // Rindex is dead!
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   929
  Register Rscratch3 = Rindex;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   930
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   931
  // Do array store check - check for NULL value first.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   932
  __ cmpdi(CCR0, R17_tos, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   933
  __ beq(CCR0, Lis_null);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   934
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   935
  __ load_klass(Rarray_klass, Rarray);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   936
  __ load_klass(Rvalue_klass, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   937
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   938
  // Do fast instanceof cache test.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   939
  __ ld(Rarray_element_klass, in_bytes(ObjArrayKlass::element_klass_offset()), Rarray_klass);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   940
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   941
  // Generate a fast subtype check. Branch to store_ok if no failure. Throw if failure.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   942
  __ gen_subtype_check(Rvalue_klass /*subklass*/, Rarray_element_klass /*superklass*/, Rscratch, Rscratch2, Rscratch3, Lstore_ok);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   943
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   944
  // Fell through: subtype check failed => throw an exception.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   945
  __ load_dispatch_table(R11_scratch1, (address*)Interpreter::_throw_ArrayStoreException_entry);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   946
  __ mtctr(R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   947
  __ bctr();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   948
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   949
  __ bind(Lis_null);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   950
  do_oop_store(_masm, Rstore_addr, arrayOopDesc::base_offset_in_bytes(T_OBJECT), noreg /* 0 */,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   951
               Rscratch, Rscratch2, Rscratch3, _bs->kind(), true /* precise */, false /* check_null */);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   952
  __ profile_null_seen(Rscratch, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   953
  __ b(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   954
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   955
  // Store is OK.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   956
  __ bind(Lstore_ok);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   957
  do_oop_store(_masm, Rstore_addr, arrayOopDesc::base_offset_in_bytes(T_OBJECT), R17_tos /* value */,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   958
               Rscratch, Rscratch2, Rscratch3, _bs->kind(), true /* precise */, false /* check_null */);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   959
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   960
  __ bind(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   961
  // Adjust sp (pops array, index and value).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   962
  __ addi(R15_esp, R15_esp, 3 * Interpreter::stackElementSize);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   963
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   964
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   965
void TemplateTable::bastore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   966
  transition(itos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   967
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   968
  const Register Rindex   = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   969
                 Rarray   = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   970
                 Rscratch = R3_ARG1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   971
  __ pop_i(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   972
  // tos: val
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   973
  // Rarray: array ptr (popped by index_check)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   974
  __ index_check(Rarray, Rindex, 0, Rscratch, Rarray);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   975
  __ stb(R17_tos, arrayOopDesc::base_offset_in_bytes(T_BYTE), Rarray);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   976
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   977
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   978
void TemplateTable::castore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   979
  transition(itos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   980
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   981
  const Register Rindex   = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   982
                 Rarray   = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   983
                 Rscratch = R3_ARG1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   984
  __ pop_i(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   985
  // tos: val
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   986
  // Rarray: array ptr (popped by index_check)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   987
  __ index_check(Rarray, Rindex, LogBytesPerShort, Rscratch, Rarray);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   988
  __ sth(R17_tos, arrayOopDesc::base_offset_in_bytes(T_CHAR), Rarray);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   989
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   990
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   991
void TemplateTable::sastore() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   992
  castore();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   993
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   994
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   995
void TemplateTable::istore(int n) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   996
  transition(itos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   997
  __ stw(R17_tos, Interpreter::local_offset_in_bytes(n), R18_locals);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   998
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
   999
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1000
void TemplateTable::lstore(int n) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1001
  transition(ltos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1002
  __ std(R17_tos, Interpreter::local_offset_in_bytes(n + 1), R18_locals);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1003
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1004
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1005
void TemplateTable::fstore(int n) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1006
  transition(ftos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1007
  __ stfs(F15_ftos, Interpreter::local_offset_in_bytes(n), R18_locals);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1008
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1009
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1010
void TemplateTable::dstore(int n) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1011
  transition(dtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1012
  __ stfd(F15_ftos, Interpreter::local_offset_in_bytes(n + 1), R18_locals);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1013
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1014
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1015
void TemplateTable::astore(int n) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1016
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1017
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1018
  __ pop_ptr();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1019
  __ verify_oop_or_return_address(R17_tos, R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1020
  __ std(R17_tos, Interpreter::local_offset_in_bytes(n), R18_locals);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1021
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1022
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1023
void TemplateTable::pop() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1024
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1025
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1026
  __ addi(R15_esp, R15_esp, Interpreter::stackElementSize);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1027
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1028
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1029
void TemplateTable::pop2() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1030
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1031
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1032
  __ addi(R15_esp, R15_esp, Interpreter::stackElementSize * 2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1033
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1034
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1035
void TemplateTable::dup() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1036
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1037
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1038
  __ ld(R11_scratch1, Interpreter::stackElementSize, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1039
  __ push_ptr(R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1040
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1041
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1042
void TemplateTable::dup_x1() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1043
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1044
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1045
  Register Ra = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1046
           Rb = R12_scratch2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1047
  // stack: ..., a, b
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1048
  __ ld(Rb, Interpreter::stackElementSize,     R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1049
  __ ld(Ra, Interpreter::stackElementSize * 2, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1050
  __ std(Rb, Interpreter::stackElementSize * 2, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1051
  __ std(Ra, Interpreter::stackElementSize,     R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1052
  __ push_ptr(Rb);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1053
  // stack: ..., b, a, b
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1054
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1055
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1056
void TemplateTable::dup_x2() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1057
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1058
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1059
  Register Ra = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1060
           Rb = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1061
           Rc = R3_ARG1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1062
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1063
  // stack: ..., a, b, c
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1064
  __ ld(Rc, Interpreter::stackElementSize,     R15_esp);  // load c
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1065
  __ ld(Ra, Interpreter::stackElementSize * 3, R15_esp);  // load a
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1066
  __ std(Rc, Interpreter::stackElementSize * 3, R15_esp); // store c in a
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1067
  __ ld(Rb, Interpreter::stackElementSize * 2, R15_esp);  // load b
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1068
  // stack: ..., c, b, c
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1069
  __ std(Ra, Interpreter::stackElementSize * 2, R15_esp); // store a in b
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1070
  // stack: ..., c, a, c
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1071
  __ std(Rb, Interpreter::stackElementSize,     R15_esp); // store b in c
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1072
  __ push_ptr(Rc);                                        // push c
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1073
  // stack: ..., c, a, b, c
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1074
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1075
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1076
void TemplateTable::dup2() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1077
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1078
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1079
  Register Ra = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1080
           Rb = R12_scratch2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1081
  // stack: ..., a, b
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1082
  __ ld(Rb, Interpreter::stackElementSize,     R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1083
  __ ld(Ra, Interpreter::stackElementSize * 2, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1084
  __ push_2ptrs(Ra, Rb);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1085
  // stack: ..., a, b, a, b
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1086
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1087
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1088
void TemplateTable::dup2_x1() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1089
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1090
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1091
  Register Ra = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1092
           Rb = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1093
           Rc = R3_ARG1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1094
  // stack: ..., a, b, c
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1095
  __ ld(Rc, Interpreter::stackElementSize,     R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1096
  __ ld(Rb, Interpreter::stackElementSize * 2, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1097
  __ std(Rc, Interpreter::stackElementSize * 2, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1098
  __ ld(Ra, Interpreter::stackElementSize * 3, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1099
  __ std(Ra, Interpreter::stackElementSize,     R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1100
  __ std(Rb, Interpreter::stackElementSize * 3, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1101
  // stack: ..., b, c, a
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1102
  __ push_2ptrs(Rb, Rc);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1103
  // stack: ..., b, c, a, b, c
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1104
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1105
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1106
void TemplateTable::dup2_x2() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1107
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1108
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1109
  Register Ra = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1110
           Rb = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1111
           Rc = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1112
           Rd = R4_ARG2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1113
  // stack: ..., a, b, c, d
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1114
  __ ld(Rb, Interpreter::stackElementSize * 3, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1115
  __ ld(Rd, Interpreter::stackElementSize,     R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1116
  __ std(Rb, Interpreter::stackElementSize,     R15_esp);  // store b in d
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1117
  __ std(Rd, Interpreter::stackElementSize * 3, R15_esp);  // store d in b
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1118
  __ ld(Ra, Interpreter::stackElementSize * 4, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1119
  __ ld(Rc, Interpreter::stackElementSize * 2, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1120
  __ std(Ra, Interpreter::stackElementSize * 2, R15_esp);  // store a in c
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1121
  __ std(Rc, Interpreter::stackElementSize * 4, R15_esp);  // store c in a
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1122
  // stack: ..., c, d, a, b
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1123
  __ push_2ptrs(Rc, Rd);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1124
  // stack: ..., c, d, a, b, c, d
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1125
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1126
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1127
void TemplateTable::swap() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1128
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1129
  // stack: ..., a, b
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1130
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1131
  Register Ra = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1132
           Rb = R12_scratch2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1133
  // stack: ..., a, b
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1134
  __ ld(Rb, Interpreter::stackElementSize,     R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1135
  __ ld(Ra, Interpreter::stackElementSize * 2, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1136
  __ std(Rb, Interpreter::stackElementSize * 2, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1137
  __ std(Ra, Interpreter::stackElementSize,     R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1138
  // stack: ..., b, a
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1139
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1140
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1141
void TemplateTable::iop2(Operation op) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1142
  transition(itos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1143
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1144
  Register Rscratch = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1145
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1146
  __ pop_i(Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1147
  // tos  = number of bits to shift
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1148
  // Rscratch = value to shift
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1149
  switch (op) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1150
    case  add:   __ add(R17_tos, Rscratch, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1151
    case  sub:   __ sub(R17_tos, Rscratch, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1152
    case  mul:   __ mullw(R17_tos, Rscratch, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1153
    case  _and:  __ andr(R17_tos, Rscratch, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1154
    case  _or:   __ orr(R17_tos, Rscratch, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1155
    case  _xor:  __ xorr(R17_tos, Rscratch, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1156
    case  shl:   __ rldicl(R17_tos, R17_tos, 0, 64-5); __ slw(R17_tos, Rscratch, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1157
    case  shr:   __ rldicl(R17_tos, R17_tos, 0, 64-5); __ sraw(R17_tos, Rscratch, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1158
    case  ushr:  __ rldicl(R17_tos, R17_tos, 0, 64-5); __ srw(R17_tos, Rscratch, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1159
    default:     ShouldNotReachHere();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1160
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1161
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1162
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1163
void TemplateTable::lop2(Operation op) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1164
  transition(ltos, ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1165
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1166
  Register Rscratch = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1167
  __ pop_l(Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1168
  switch (op) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1169
    case  add:   __ add(R17_tos, Rscratch, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1170
    case  sub:   __ sub(R17_tos, Rscratch, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1171
    case  _and:  __ andr(R17_tos, Rscratch, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1172
    case  _or:   __ orr(R17_tos, Rscratch, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1173
    case  _xor:  __ xorr(R17_tos, Rscratch, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1174
    default:     ShouldNotReachHere();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1175
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1176
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1177
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1178
void TemplateTable::idiv() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1179
  transition(itos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1180
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1181
  Label Lnormal, Lexception, Ldone;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1182
  Register Rdividend = R11_scratch1; // Used by irem.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1183
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1184
  __ addi(R0, R17_tos, 1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1185
  __ cmplwi(CCR0, R0, 2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1186
  __ bgt(CCR0, Lnormal); // divisor <-1 or >1
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1187
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1188
  __ cmpwi(CCR1, R17_tos, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1189
  __ beq(CCR1, Lexception); // divisor == 0
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1190
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1191
  __ pop_i(Rdividend);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1192
  __ mullw(R17_tos, Rdividend, R17_tos); // div by +/-1
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1193
  __ b(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1194
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1195
  __ bind(Lexception);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1196
  __ load_dispatch_table(R11_scratch1, (address*)Interpreter::_throw_ArithmeticException_entry);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1197
  __ mtctr(R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1198
  __ bctr();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1199
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1200
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1201
  __ bind(Lnormal);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1202
  __ pop_i(Rdividend);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1203
  __ divw(R17_tos, Rdividend, R17_tos); // Can't divide minint/-1.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1204
  __ bind(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1205
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1206
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1207
void TemplateTable::irem() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1208
  transition(itos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1209
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1210
  __ mr(R12_scratch2, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1211
  idiv();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1212
  __ mullw(R17_tos, R17_tos, R12_scratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1213
  __ subf(R17_tos, R17_tos, R11_scratch1); // Dividend set by idiv.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1214
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1215
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1216
void TemplateTable::lmul() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1217
  transition(ltos, ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1218
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1219
  __ pop_l(R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1220
  __ mulld(R17_tos, R11_scratch1, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1221
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1222
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1223
void TemplateTable::ldiv() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1224
  transition(ltos, ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1225
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1226
  Label Lnormal, Lexception, Ldone;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1227
  Register Rdividend = R11_scratch1; // Used by lrem.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1228
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1229
  __ addi(R0, R17_tos, 1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1230
  __ cmpldi(CCR0, R0, 2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1231
  __ bgt(CCR0, Lnormal); // divisor <-1 or >1
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1232
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1233
  __ cmpdi(CCR1, R17_tos, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1234
  __ beq(CCR1, Lexception); // divisor == 0
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1235
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1236
  __ pop_l(Rdividend);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1237
  __ mulld(R17_tos, Rdividend, R17_tos); // div by +/-1
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1238
  __ b(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1239
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1240
  __ bind(Lexception);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1241
  __ load_dispatch_table(R11_scratch1, (address*)Interpreter::_throw_ArithmeticException_entry);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1242
  __ mtctr(R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1243
  __ bctr();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1244
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1245
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1246
  __ bind(Lnormal);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1247
  __ pop_l(Rdividend);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1248
  __ divd(R17_tos, Rdividend, R17_tos); // Can't divide minint/-1.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1249
  __ bind(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1250
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1251
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1252
void TemplateTable::lrem() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1253
  transition(ltos, ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1254
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1255
  __ mr(R12_scratch2, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1256
  ldiv();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1257
  __ mulld(R17_tos, R17_tos, R12_scratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1258
  __ subf(R17_tos, R17_tos, R11_scratch1); // Dividend set by ldiv.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1259
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1260
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1261
void TemplateTable::lshl() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1262
  transition(itos, ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1263
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1264
  __ rldicl(R17_tos, R17_tos, 0, 64-6); // Extract least significant bits.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1265
  __ pop_l(R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1266
  __ sld(R17_tos, R11_scratch1, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1267
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1268
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1269
void TemplateTable::lshr() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1270
  transition(itos, ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1271
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1272
  __ rldicl(R17_tos, R17_tos, 0, 64-6); // Extract least significant bits.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1273
  __ pop_l(R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1274
  __ srad(R17_tos, R11_scratch1, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1275
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1276
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1277
void TemplateTable::lushr() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1278
  transition(itos, ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1279
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1280
  __ rldicl(R17_tos, R17_tos, 0, 64-6); // Extract least significant bits.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1281
  __ pop_l(R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1282
  __ srd(R17_tos, R11_scratch1, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1283
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1284
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1285
void TemplateTable::fop2(Operation op) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1286
  transition(ftos, ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1287
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1288
  switch (op) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1289
    case add: __ pop_f(F0_SCRATCH); __ fadds(F15_ftos, F0_SCRATCH, F15_ftos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1290
    case sub: __ pop_f(F0_SCRATCH); __ fsubs(F15_ftos, F0_SCRATCH, F15_ftos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1291
    case mul: __ pop_f(F0_SCRATCH); __ fmuls(F15_ftos, F0_SCRATCH, F15_ftos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1292
    case div: __ pop_f(F0_SCRATCH); __ fdivs(F15_ftos, F0_SCRATCH, F15_ftos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1293
    case rem:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1294
      __ pop_f(F1_ARG1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1295
      __ fmr(F2_ARG2, F15_ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1296
      __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::frem));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1297
      __ fmr(F15_ftos, F1_RET);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1298
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1299
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1300
    default: ShouldNotReachHere();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1301
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1302
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1303
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1304
void TemplateTable::dop2(Operation op) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1305
  transition(dtos, dtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1306
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1307
  switch (op) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1308
    case add: __ pop_d(F0_SCRATCH); __ fadd(F15_ftos, F0_SCRATCH, F15_ftos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1309
    case sub: __ pop_d(F0_SCRATCH); __ fsub(F15_ftos, F0_SCRATCH, F15_ftos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1310
    case mul: __ pop_d(F0_SCRATCH); __ fmul(F15_ftos, F0_SCRATCH, F15_ftos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1311
    case div: __ pop_d(F0_SCRATCH); __ fdiv(F15_ftos, F0_SCRATCH, F15_ftos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1312
    case rem:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1313
      __ pop_d(F1_ARG1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1314
      __ fmr(F2_ARG2, F15_ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1315
      __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::drem));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1316
      __ fmr(F15_ftos, F1_RET);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1317
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1318
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1319
    default: ShouldNotReachHere();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1320
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1321
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1322
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1323
// Negate the value in the TOS cache.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1324
void TemplateTable::ineg() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1325
  transition(itos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1326
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1327
  __ neg(R17_tos, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1328
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1329
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1330
// Negate the value in the TOS cache.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1331
void TemplateTable::lneg() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1332
  transition(ltos, ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1333
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1334
  __ neg(R17_tos, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1335
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1336
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1337
void TemplateTable::fneg() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1338
  transition(ftos, ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1339
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1340
  __ fneg(F15_ftos, F15_ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1341
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1342
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1343
void TemplateTable::dneg() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1344
  transition(dtos, dtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1345
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1346
  __ fneg(F15_ftos, F15_ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1347
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1348
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1349
// Increments a local variable in place.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1350
void TemplateTable::iinc() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1351
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1352
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1353
  const Register Rindex     = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1354
                 Rincrement = R0,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1355
                 Rvalue     = R12_scratch2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1356
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1357
  locals_index(Rindex);              // Load locals index from bytecode stream.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1358
  __ lbz(Rincrement, 2, R14_bcp);    // Load increment from the bytecode stream.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1359
  __ extsb(Rincrement, Rincrement);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1360
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1361
  __ load_local_int(Rvalue, Rindex, Rindex); // Puts address of local into Rindex.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1362
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1363
  __ add(Rvalue, Rincrement, Rvalue);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1364
  __ stw(Rvalue, 0, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1365
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1366
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1367
void TemplateTable::wide_iinc() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1368
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1369
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1370
  Register Rindex       = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1371
           Rlocals_addr = Rindex,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1372
           Rincr        = R12_scratch2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1373
  locals_index_wide(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1374
  __ get_2_byte_integer_at_bcp(4, Rincr, InterpreterMacroAssembler::Signed);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1375
  __ load_local_int(R17_tos, Rlocals_addr, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1376
  __ add(R17_tos, Rincr, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1377
  __ stw(R17_tos, 0, Rlocals_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1378
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1379
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1380
void TemplateTable::convert() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1381
  // %%%%% Factor this first part accross platforms
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1382
#ifdef ASSERT
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1383
  TosState tos_in  = ilgl;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1384
  TosState tos_out = ilgl;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1385
  switch (bytecode()) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1386
    case Bytecodes::_i2l: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1387
    case Bytecodes::_i2f: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1388
    case Bytecodes::_i2d: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1389
    case Bytecodes::_i2b: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1390
    case Bytecodes::_i2c: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1391
    case Bytecodes::_i2s: tos_in = itos; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1392
    case Bytecodes::_l2i: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1393
    case Bytecodes::_l2f: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1394
    case Bytecodes::_l2d: tos_in = ltos; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1395
    case Bytecodes::_f2i: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1396
    case Bytecodes::_f2l: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1397
    case Bytecodes::_f2d: tos_in = ftos; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1398
    case Bytecodes::_d2i: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1399
    case Bytecodes::_d2l: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1400
    case Bytecodes::_d2f: tos_in = dtos; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1401
    default             : ShouldNotReachHere();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1402
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1403
  switch (bytecode()) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1404
    case Bytecodes::_l2i: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1405
    case Bytecodes::_f2i: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1406
    case Bytecodes::_d2i: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1407
    case Bytecodes::_i2b: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1408
    case Bytecodes::_i2c: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1409
    case Bytecodes::_i2s: tos_out = itos; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1410
    case Bytecodes::_i2l: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1411
    case Bytecodes::_f2l: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1412
    case Bytecodes::_d2l: tos_out = ltos; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1413
    case Bytecodes::_i2f: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1414
    case Bytecodes::_l2f: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1415
    case Bytecodes::_d2f: tos_out = ftos; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1416
    case Bytecodes::_i2d: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1417
    case Bytecodes::_l2d: // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1418
    case Bytecodes::_f2d: tos_out = dtos; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1419
    default             : ShouldNotReachHere();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1420
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1421
  transition(tos_in, tos_out);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1422
#endif
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1423
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1424
  // Conversion
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1425
  Label done;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1426
  switch (bytecode()) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1427
    case Bytecodes::_i2l:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1428
      __ extsw(R17_tos, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1429
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1430
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1431
    case Bytecodes::_l2i:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1432
      // Nothing to do, we'll continue to work with the lower bits.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1433
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1434
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1435
    case Bytecodes::_i2b:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1436
      __ extsb(R17_tos, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1437
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1438
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1439
    case Bytecodes::_i2c:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1440
      __ rldicl(R17_tos, R17_tos, 0, 64-2*8);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1441
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1442
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1443
    case Bytecodes::_i2s:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1444
      __ extsh(R17_tos, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1445
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1446
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1447
    case Bytecodes::_i2d:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1448
      __ extsw(R17_tos, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1449
    case Bytecodes::_l2d:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1450
      __ push_l_pop_d();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1451
      __ fcfid(F15_ftos, F15_ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1452
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1453
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1454
    case Bytecodes::_i2f:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1455
      __ extsw(R17_tos, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1456
      __ push_l_pop_d();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1457
      if (VM_Version::has_fcfids()) { // fcfids is >= Power7 only
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1458
        // Comment: alternatively, load with sign extend could be done by lfiwax.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1459
        __ fcfids(F15_ftos, F15_ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1460
      } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1461
        __ fcfid(F15_ftos, F15_ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1462
        __ frsp(F15_ftos, F15_ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1463
      }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1464
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1465
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1466
    case Bytecodes::_l2f:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1467
      if (VM_Version::has_fcfids()) { // fcfids is >= Power7 only
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1468
        __ push_l_pop_d();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1469
        __ fcfids(F15_ftos, F15_ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1470
      } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1471
        // Avoid rounding problem when result should be 0x3f800001: need fixup code before fcfid+frsp.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1472
        __ mr(R3_ARG1, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1473
        __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::l2f));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1474
        __ fmr(F15_ftos, F1_RET);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1475
      }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1476
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1477
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1478
    case Bytecodes::_f2d:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1479
      // empty
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1480
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1481
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1482
    case Bytecodes::_d2f:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1483
      __ frsp(F15_ftos, F15_ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1484
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1485
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1486
    case Bytecodes::_d2i:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1487
    case Bytecodes::_f2i:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1488
      __ fcmpu(CCR0, F15_ftos, F15_ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1489
      __ li(R17_tos, 0); // 0 in case of NAN
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1490
      __ bso(CCR0, done);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1491
      __ fctiwz(F15_ftos, F15_ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1492
      __ push_d_pop_l();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1493
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1494
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1495
    case Bytecodes::_d2l:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1496
    case Bytecodes::_f2l:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1497
      __ fcmpu(CCR0, F15_ftos, F15_ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1498
      __ li(R17_tos, 0); // 0 in case of NAN
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1499
      __ bso(CCR0, done);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1500
      __ fctidz(F15_ftos, F15_ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1501
      __ push_d_pop_l();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1502
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1503
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1504
    default: ShouldNotReachHere();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1505
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1506
  __ bind(done);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1507
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1508
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1509
// Long compare
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1510
void TemplateTable::lcmp() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1511
  transition(ltos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1512
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1513
  const Register Rscratch = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1514
  __ pop_l(Rscratch); // first operand, deeper in stack
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1515
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1516
  __ cmpd(CCR0, Rscratch, R17_tos); // compare
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1517
  __ mfcr(R17_tos); // set bit 32..33 as follows: <: 0b10, =: 0b00, >: 0b01
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1518
  __ srwi(Rscratch, R17_tos, 30);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1519
  __ srawi(R17_tos, R17_tos, 31);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1520
  __ orr(R17_tos, Rscratch, R17_tos); // set result as follows: <: -1, =: 0, >: 1
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1521
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1522
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1523
// fcmpl/fcmpg and dcmpl/dcmpg bytecodes
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1524
// unordered_result == -1 => fcmpl or dcmpl
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1525
// unordered_result ==  1 => fcmpg or dcmpg
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1526
void TemplateTable::float_cmp(bool is_float, int unordered_result) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1527
  const FloatRegister Rfirst  = F0_SCRATCH,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1528
                      Rsecond = F15_ftos;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1529
  const Register Rscratch = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1530
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1531
  if (is_float) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1532
    __ pop_f(Rfirst);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1533
  } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1534
    __ pop_d(Rfirst);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1535
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1536
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1537
  Label Lunordered, Ldone;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1538
  __ fcmpu(CCR0, Rfirst, Rsecond); // compare
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1539
  if (unordered_result) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1540
    __ bso(CCR0, Lunordered);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1541
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1542
  __ mfcr(R17_tos); // set bit 32..33 as follows: <: 0b10, =: 0b00, >: 0b01
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1543
  __ srwi(Rscratch, R17_tos, 30);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1544
  __ srawi(R17_tos, R17_tos, 31);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1545
  __ orr(R17_tos, Rscratch, R17_tos); // set result as follows: <: -1, =: 0, >: 1
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1546
  if (unordered_result) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1547
    __ b(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1548
    __ bind(Lunordered);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1549
    __ load_const_optimized(R17_tos, unordered_result);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1550
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1551
  __ bind(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1552
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1553
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1554
// Branch_conditional which takes TemplateTable::Condition.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1555
void TemplateTable::branch_conditional(ConditionRegister crx, TemplateTable::Condition cc, Label& L, bool invert) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1556
  bool positive = false;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1557
  Assembler::Condition cond = Assembler::equal;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1558
  switch (cc) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1559
    case TemplateTable::equal:         positive = true ; cond = Assembler::equal  ; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1560
    case TemplateTable::not_equal:     positive = false; cond = Assembler::equal  ; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1561
    case TemplateTable::less:          positive = true ; cond = Assembler::less   ; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1562
    case TemplateTable::less_equal:    positive = false; cond = Assembler::greater; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1563
    case TemplateTable::greater:       positive = true ; cond = Assembler::greater; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1564
    case TemplateTable::greater_equal: positive = false; cond = Assembler::less   ; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1565
    default: ShouldNotReachHere();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1566
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1567
  int bo = (positive != invert) ? Assembler::bcondCRbiIs1 : Assembler::bcondCRbiIs0;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1568
  int bi = Assembler::bi0(crx, cond);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1569
  __ bc(bo, bi, L);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1570
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1571
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1572
void TemplateTable::branch(bool is_jsr, bool is_wide) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1573
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1574
  // Note: on SPARC, we use InterpreterMacroAssembler::if_cmp also.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1575
  __ verify_thread();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1576
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1577
  const Register Rscratch1    = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1578
                 Rscratch2    = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1579
                 Rscratch3    = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1580
                 R4_counters  = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1581
                 bumped_count = R31,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1582
                 Rdisp        = R22_tmp2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1583
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1584
  __ profile_taken_branch(Rscratch1, bumped_count);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1585
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1586
  // Get (wide) offset.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1587
  if (is_wide) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1588
    __ get_4_byte_integer_at_bcp(1, Rdisp, InterpreterMacroAssembler::Signed);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1589
  } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1590
    __ get_2_byte_integer_at_bcp(1, Rdisp, InterpreterMacroAssembler::Signed);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1591
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1592
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1593
  // --------------------------------------------------------------------------
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1594
  // Handle all the JSR stuff here, then exit.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1595
  // It's much shorter and cleaner than intermingling with the
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1596
  // non-JSR normal-branch stuff occurring below.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1597
  if (is_jsr) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1598
    // Compute return address as bci in Otos_i.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1599
    __ ld(Rscratch1, in_bytes(Method::const_offset()), R19_method);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1600
    __ addi(Rscratch2, R14_bcp, -in_bytes(ConstMethod::codes_offset()) + (is_wide ? 5 : 3));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1601
    __ subf(R17_tos, Rscratch1, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1602
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1603
    // Bump bcp to target of JSR.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1604
    __ add(R14_bcp, Rdisp, R14_bcp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1605
    // Push returnAddress for "ret" on stack.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1606
    __ push_ptr(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1607
    // And away we go!
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1608
    __ dispatch_next(vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1609
    return;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1610
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1611
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1612
  // --------------------------------------------------------------------------
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1613
  // Normal (non-jsr) branch handling
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1614
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1615
  const bool increment_invocation_counter_for_backward_branches = UseCompiler && UseLoopCounter;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1616
  if (increment_invocation_counter_for_backward_branches) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1617
    //__ unimplemented("branch invocation counter");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1618
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1619
    Label Lforward;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1620
    __ add(R14_bcp, Rdisp, R14_bcp); // Add to bc addr.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1621
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1622
    // Check branch direction.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1623
    __ cmpdi(CCR0, Rdisp, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1624
    __ bgt(CCR0, Lforward);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1625
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1626
    __ get_method_counters(R19_method, R4_counters, Lforward);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1627
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1628
    if (TieredCompilation) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1629
      Label Lno_mdo, Loverflow;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1630
      const int increment = InvocationCounter::count_increment;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1631
      const int mask = ((1 << Tier0BackedgeNotifyFreqLog) - 1) << InvocationCounter::count_shift;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1632
      if (ProfileInterpreter) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1633
        Register Rmdo = Rscratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1634
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1635
        // If no method data exists, go to profile_continue.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1636
        __ ld(Rmdo, in_bytes(Method::method_data_offset()), R19_method);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1637
        __ cmpdi(CCR0, Rmdo, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1638
        __ beq(CCR0, Lno_mdo);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1639
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1640
        // Increment backedge counter in the MDO.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1641
        const int mdo_bc_offs = in_bytes(MethodData::backedge_counter_offset()) + in_bytes(InvocationCounter::counter_offset());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1642
        __ lwz(Rscratch2, mdo_bc_offs, Rmdo);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1643
        __ load_const_optimized(Rscratch3, mask, R0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1644
        __ addi(Rscratch2, Rscratch2, increment);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1645
        __ stw(Rscratch2, mdo_bc_offs, Rmdo);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1646
        __ and_(Rscratch3, Rscratch2, Rscratch3);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1647
        __ bne(CCR0, Lforward);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1648
        __ b(Loverflow);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1649
      }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1650
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1651
      // If there's no MDO, increment counter in method.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1652
      const int mo_bc_offs = in_bytes(MethodCounters::backedge_counter_offset()) + in_bytes(InvocationCounter::counter_offset());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1653
      __ bind(Lno_mdo);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1654
      __ lwz(Rscratch2, mo_bc_offs, R4_counters);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1655
      __ load_const_optimized(Rscratch3, mask, R0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1656
      __ addi(Rscratch2, Rscratch2, increment);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1657
      __ stw(Rscratch2, mo_bc_offs, R19_method);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1658
      __ and_(Rscratch3, Rscratch2, Rscratch3);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1659
      __ bne(CCR0, Lforward);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1660
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1661
      __ bind(Loverflow);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1662
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1663
      // Notify point for loop, pass branch bytecode.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1664
      __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::frequency_counter_overflow), R14_bcp, true);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1665
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1666
      // Was an OSR adapter generated?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1667
      // O0 = osr nmethod
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1668
      __ cmpdi(CCR0, R3_RET, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1669
      __ beq(CCR0, Lforward);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1670
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1671
      // Has the nmethod been invalidated already?
26705
fca1785e7084 8048721: -XX:+PrintCompilation prints negative bci for non entrant OSR methods
thartmann
parents: 25916
diff changeset
  1672
      __ lbz(R0, nmethod::state_offset(), R3_RET);
fca1785e7084 8048721: -XX:+PrintCompilation prints negative bci for non entrant OSR methods
thartmann
parents: 25916
diff changeset
  1673
      __ cmpwi(CCR0, R0, nmethod::in_use);
fca1785e7084 8048721: -XX:+PrintCompilation prints negative bci for non entrant OSR methods
thartmann
parents: 25916
diff changeset
  1674
      __ bne(CCR0, Lforward);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1675
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1676
      // Migrate the interpreter frame off of the stack.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1677
      // We can use all registers because we will not return to interpreter from this point.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1678
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1679
      // Save nmethod.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1680
      const Register osr_nmethod = R31;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1681
      __ mr(osr_nmethod, R3_RET);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1682
      __ set_top_ijava_frame_at_SP_as_last_Java_frame(R1_SP, R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1683
      __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::OSR_migration_begin), R16_thread);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1684
      __ reset_last_Java_frame();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1685
      // OSR buffer is in ARG1.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1686
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1687
      // Remove the interpreter frame.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1688
      __ merge_frames(/*top_frame_sp*/ R21_sender_SP, /*return_pc*/ R0, R11_scratch1, R12_scratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1689
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1690
      // Jump to the osr code.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1691
      __ ld(R11_scratch1, nmethod::osr_entry_point_offset(), osr_nmethod);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1692
      __ mtlr(R0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1693
      __ mtctr(R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1694
      __ bctr();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1695
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1696
    } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1697
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1698
      const Register invoke_ctr = Rscratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1699
      // Update Backedge branch separately from invocations.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1700
      __ increment_backedge_counter(R4_counters, invoke_ctr, Rscratch2, Rscratch3);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1701
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1702
      if (ProfileInterpreter) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1703
        __ test_invocation_counter_for_mdp(invoke_ctr, Rscratch2, Lforward);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1704
        if (UseOnStackReplacement) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1705
          __ test_backedge_count_for_osr(bumped_count, R14_bcp, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1706
        }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1707
      } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1708
        if (UseOnStackReplacement) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1709
          __ test_backedge_count_for_osr(invoke_ctr, R14_bcp, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1710
        }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1711
      }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1712
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1713
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1714
    __ bind(Lforward);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1715
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1716
  } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1717
    // Bump bytecode pointer by displacement (take the branch).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1718
    __ add(R14_bcp, Rdisp, R14_bcp); // Add to bc addr.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1719
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1720
  // Continue with bytecode @ target.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1721
  // %%%%% Like Intel, could speed things up by moving bytecode fetch to code above,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1722
  // %%%%% and changing dispatch_next to dispatch_only.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1723
  __ dispatch_next(vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1724
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1725
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1726
// Helper function for if_cmp* methods below.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1727
// Factored out common compare and branch code.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1728
void TemplateTable::if_cmp_common(Register Rfirst, Register Rsecond, Register Rscratch1, Register Rscratch2, Condition cc, bool is_jint, bool cmp0) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1729
  Label Lnot_taken;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1730
  // Note: The condition code we get is the condition under which we
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1731
  // *fall through*! So we have to inverse the CC here.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1732
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1733
  if (is_jint) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1734
    if (cmp0) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1735
      __ cmpwi(CCR0, Rfirst, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1736
    } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1737
      __ cmpw(CCR0, Rfirst, Rsecond);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1738
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1739
  } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1740
    if (cmp0) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1741
      __ cmpdi(CCR0, Rfirst, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1742
    } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1743
      __ cmpd(CCR0, Rfirst, Rsecond);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1744
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1745
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1746
  branch_conditional(CCR0, cc, Lnot_taken, /*invert*/ true);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1747
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1748
  // Conition is false => Jump!
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1749
  branch(false, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1750
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1751
  // Condition is not true => Continue.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1752
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1753
  __ bind(Lnot_taken);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1754
  __ profile_not_taken_branch(Rscratch1, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1755
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1756
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1757
// Compare integer values with zero and fall through if CC holds, branch away otherwise.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1758
void TemplateTable::if_0cmp(Condition cc) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1759
  transition(itos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1760
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1761
  if_cmp_common(R17_tos, noreg, R11_scratch1, R12_scratch2, cc, true, true);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1762
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1763
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1764
// Compare integer values and fall through if CC holds, branch away otherwise.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1765
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1766
// Interface:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1767
//  - Rfirst: First operand  (older stack value)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1768
//  - tos:    Second operand (younger stack value)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1769
void TemplateTable::if_icmp(Condition cc) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1770
  transition(itos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1771
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1772
  const Register Rfirst  = R0,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1773
                 Rsecond = R17_tos;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1774
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1775
  __ pop_i(Rfirst);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1776
  if_cmp_common(Rfirst, Rsecond, R11_scratch1, R12_scratch2, cc, true, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1777
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1778
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1779
void TemplateTable::if_nullcmp(Condition cc) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1780
  transition(atos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1781
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1782
  if_cmp_common(R17_tos, noreg, R11_scratch1, R12_scratch2, cc, false, true);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1783
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1784
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1785
void TemplateTable::if_acmp(Condition cc) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1786
  transition(atos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1787
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1788
  const Register Rfirst  = R0,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1789
                 Rsecond = R17_tos;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1790
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1791
  __ pop_ptr(Rfirst);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1792
  if_cmp_common(Rfirst, Rsecond, R11_scratch1, R12_scratch2, cc, false, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1793
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1794
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1795
void TemplateTable::ret() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1796
  locals_index(R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1797
  __ load_local_ptr(R17_tos, R11_scratch1, R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1798
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1799
  __ profile_ret(vtos, R17_tos, R11_scratch1, R12_scratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1800
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1801
  __ ld(R11_scratch1, in_bytes(Method::const_offset()), R19_method);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1802
  __ add(R11_scratch1, R17_tos, R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1803
  __ addi(R14_bcp, R11_scratch1, in_bytes(ConstMethod::codes_offset()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1804
  __ dispatch_next(vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1805
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1806
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1807
void TemplateTable::wide_ret() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1808
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1809
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1810
  const Register Rindex = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1811
                 Rscratch1 = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1812
                 Rscratch2 = R12_scratch2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1813
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1814
  locals_index_wide(Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1815
  __ load_local_ptr(R17_tos, R17_tos, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1816
  __ profile_ret(vtos, R17_tos, Rscratch1, R12_scratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1817
  // Tos now contains the bci, compute the bcp from that.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1818
  __ ld(Rscratch1, in_bytes(Method::const_offset()), R19_method);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1819
  __ addi(Rscratch2, R17_tos, in_bytes(ConstMethod::codes_offset()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1820
  __ add(R14_bcp, Rscratch1, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1821
  __ dispatch_next(vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1822
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1823
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1824
void TemplateTable::tableswitch() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1825
  transition(itos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1826
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1827
  Label Ldispatch, Ldefault_case;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1828
  Register Rlow_byte         = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1829
           Rindex            = Rlow_byte,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1830
           Rhigh_byte        = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1831
           Rdef_offset_addr  = R5_ARG3, // is going to contain address of default offset
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1832
           Rscratch1         = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1833
           Rscratch2         = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1834
           Roffset           = R6_ARG4;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1835
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1836
  // Align bcp.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1837
  __ addi(Rdef_offset_addr, R14_bcp, BytesPerInt);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1838
  __ clrrdi(Rdef_offset_addr, Rdef_offset_addr, log2_long((jlong)BytesPerInt));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1839
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1840
  // Load lo & hi.
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1841
  __ get_u4(Rlow_byte, Rdef_offset_addr, BytesPerInt, InterpreterMacroAssembler::Unsigned);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1842
  __ get_u4(Rhigh_byte, Rdef_offset_addr, 2 *BytesPerInt, InterpreterMacroAssembler::Unsigned);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1843
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1844
  // Check for default case (=index outside [low,high]).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1845
  __ cmpw(CCR0, R17_tos, Rlow_byte);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1846
  __ cmpw(CCR1, R17_tos, Rhigh_byte);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1847
  __ blt(CCR0, Ldefault_case);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1848
  __ bgt(CCR1, Ldefault_case);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1849
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1850
  // Lookup dispatch offset.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1851
  __ sub(Rindex, R17_tos, Rlow_byte);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1852
  __ extsw(Rindex, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1853
  __ profile_switch_case(Rindex, Rhigh_byte /* scratch */, Rscratch1, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1854
  __ sldi(Rindex, Rindex, LogBytesPerInt);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1855
  __ addi(Rindex, Rindex, 3 * BytesPerInt);
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1856
#if defined(VM_LITTLE_ENDIAN)
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1857
  __ lwbrx(Roffset, Rdef_offset_addr, Rindex);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1858
  __ extsw(Roffset, Roffset);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1859
#else
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1860
  __ lwax(Roffset, Rdef_offset_addr, Rindex);
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1861
#endif
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1862
  __ b(Ldispatch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1863
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1864
  __ bind(Ldefault_case);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1865
  __ profile_switch_default(Rhigh_byte, Rscratch1);
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1866
  __ get_u4(Roffset, Rdef_offset_addr, 0, InterpreterMacroAssembler::Signed);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1867
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1868
  __ bind(Ldispatch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1869
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1870
  __ add(R14_bcp, Roffset, R14_bcp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1871
  __ dispatch_next(vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1872
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1873
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1874
void TemplateTable::lookupswitch() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1875
  transition(itos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1876
  __ stop("lookupswitch bytecode should have been rewritten");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1877
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1878
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1879
// Table switch using linear search through cases.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1880
// Bytecode stream format:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1881
// Bytecode (1) | 4-byte padding | default offset (4) | count (4) | value/offset pair1 (8) | value/offset pair2 (8) | ...
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1882
// Note: Everything is big-endian format here.
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1883
void TemplateTable::fast_linearswitch() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1884
  transition(itos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1885
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1886
  Label Lloop_entry, Lsearch_loop, Lcontinue_execution, Ldefault_case;
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1887
  Register Rcount           = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1888
           Rcurrent_pair    = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1889
           Rdef_offset_addr = R5_ARG3, // Is going to contain address of default offset.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1890
           Roffset          = R31,     // Might need to survive C call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1891
           Rvalue           = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1892
           Rscratch         = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1893
           Rcmp_value       = R17_tos;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1894
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1895
  // Align bcp.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1896
  __ addi(Rdef_offset_addr, R14_bcp, BytesPerInt);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1897
  __ clrrdi(Rdef_offset_addr, Rdef_offset_addr, log2_long((jlong)BytesPerInt));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1898
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1899
  // Setup loop counter and limit.
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1900
  __ get_u4(Rcount, Rdef_offset_addr, BytesPerInt, InterpreterMacroAssembler::Unsigned);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1901
  __ addi(Rcurrent_pair, Rdef_offset_addr, 2 * BytesPerInt); // Rcurrent_pair now points to first pair.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1902
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1903
  __ mtctr(Rcount);
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1904
  __ cmpwi(CCR0, Rcount, 0);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1905
  __ bne(CCR0, Lloop_entry);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1906
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1907
  // Default case
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1908
  __ bind(Ldefault_case);
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1909
  __ get_u4(Roffset, Rdef_offset_addr, 0, InterpreterMacroAssembler::Signed);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1910
  if (ProfileInterpreter) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1911
    __ profile_switch_default(Rdef_offset_addr, Rcount/* scratch */);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1912
  }
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1913
  __ b(Lcontinue_execution);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1914
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1915
  // Next iteration
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1916
  __ bind(Lsearch_loop);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1917
  __ bdz(Ldefault_case);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1918
  __ addi(Rcurrent_pair, Rcurrent_pair, 2 * BytesPerInt);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1919
  __ bind(Lloop_entry);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1920
  __ get_u4(Rvalue, Rcurrent_pair, 0, InterpreterMacroAssembler::Unsigned);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1921
  __ cmpw(CCR0, Rvalue, Rcmp_value);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1922
  __ bne(CCR0, Lsearch_loop);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1923
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1924
  // Found, load offset.
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1925
  __ get_u4(Roffset, Rcurrent_pair, BytesPerInt, InterpreterMacroAssembler::Signed);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1926
  // Calculate case index and profile
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1927
  __ mfctr(Rcurrent_pair);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1928
  if (ProfileInterpreter) {
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1929
    __ sub(Rcurrent_pair, Rcount, Rcurrent_pair);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1930
    __ profile_switch_case(Rcurrent_pair, Rcount /*scratch*/, Rdef_offset_addr/*scratch*/, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1931
  }
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1932
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1933
  __ bind(Lcontinue_execution);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1934
  __ add(R14_bcp, Roffset, R14_bcp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1935
  __ dispatch_next(vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1936
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1937
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1938
// Table switch using binary search (value/offset pairs are ordered).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1939
// Bytecode stream format:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1940
// Bytecode (1) | 4-byte padding | default offset (4) | count (4) | value/offset pair1 (8) | value/offset pair2 (8) | ...
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1941
// Note: Everything is big-endian format here. So on little endian machines, we have to revers offset and count and cmp value.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1942
void TemplateTable::fast_binaryswitch() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1943
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1944
  transition(itos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1945
  // Implementation using the following core algorithm: (copied from Intel)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1946
  //
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1947
  // int binary_search(int key, LookupswitchPair* array, int n) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1948
  //   // Binary search according to "Methodik des Programmierens" by
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1949
  //   // Edsger W. Dijkstra and W.H.J. Feijen, Addison Wesley Germany 1985.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1950
  //   int i = 0;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1951
  //   int j = n;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1952
  //   while (i+1 < j) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1953
  //     // invariant P: 0 <= i < j <= n and (a[i] <= key < a[j] or Q)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1954
  //     // with      Q: for all i: 0 <= i < n: key < a[i]
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1955
  //     // where a stands for the array and assuming that the (inexisting)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1956
  //     // element a[n] is infinitely big.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1957
  //     int h = (i + j) >> 1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1958
  //     // i < h < j
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1959
  //     if (key < array[h].fast_match()) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1960
  //       j = h;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1961
  //     } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1962
  //       i = h;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1963
  //     }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1964
  //   }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1965
  //   // R: a[i] <= key < a[i+1] or Q
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1966
  //   // (i.e., if key is within array, i is the correct index)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1967
  //   return i;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1968
  // }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1969
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1970
  // register allocation
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1971
  const Register Rkey     = R17_tos;          // already set (tosca)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1972
  const Register Rarray   = R3_ARG1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1973
  const Register Ri       = R4_ARG2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1974
  const Register Rj       = R5_ARG3;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1975
  const Register Rh       = R6_ARG4;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1976
  const Register Rscratch = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1977
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1978
  const int log_entry_size = 3;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1979
  const int entry_size = 1 << log_entry_size;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1980
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1981
  Label found;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1982
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1983
  // Find Array start,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1984
  __ addi(Rarray, R14_bcp, 3 * BytesPerInt);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1985
  __ clrrdi(Rarray, Rarray, log2_long((jlong)BytesPerInt));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1986
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1987
  // initialize i & j
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1988
  __ li(Ri,0);
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  1989
  __ get_u4(Rj, Rarray, -BytesPerInt, InterpreterMacroAssembler::Unsigned);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1990
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1991
  // and start.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1992
  Label entry;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1993
  __ b(entry);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1994
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1995
  // binary search loop
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1996
  { Label loop;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1997
    __ bind(loop);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1998
    // int h = (i + j) >> 1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  1999
    __ srdi(Rh, Rh, 1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2000
    // if (key < array[h].fast_match()) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2001
    //   j = h;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2002
    // } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2003
    //   i = h;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2004
    // }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2005
    __ sldi(Rscratch, Rh, log_entry_size);
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  2006
#if defined(VM_LITTLE_ENDIAN)
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  2007
    __ lwbrx(Rscratch, Rscratch, Rarray);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  2008
#else
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2009
    __ lwzx(Rscratch, Rscratch, Rarray);
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  2010
#endif
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2011
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2012
    // if (key < current value)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2013
    //   Rh = Rj
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2014
    // else
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2015
    //   Rh = Ri
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2016
    Label Lgreater;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2017
    __ cmpw(CCR0, Rkey, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2018
    __ bge(CCR0, Lgreater);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2019
    __ mr(Rj, Rh);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2020
    __ b(entry);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2021
    __ bind(Lgreater);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2022
    __ mr(Ri, Rh);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2023
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2024
    // while (i+1 < j)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2025
    __ bind(entry);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2026
    __ addi(Rscratch, Ri, 1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2027
    __ cmpw(CCR0, Rscratch, Rj);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2028
    __ add(Rh, Ri, Rj); // start h = i + j >> 1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2029
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2030
    __ blt(CCR0, loop);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2031
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2032
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2033
  // End of binary search, result index is i (must check again!).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2034
  Label default_case;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2035
  Label continue_execution;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2036
  if (ProfileInterpreter) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2037
    __ mr(Rh, Ri);              // Save index in i for profiling.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2038
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2039
  // Ri = value offset
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2040
  __ sldi(Ri, Ri, log_entry_size);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2041
  __ add(Ri, Ri, Rarray);
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  2042
  __ get_u4(Rscratch, Ri, 0, InterpreterMacroAssembler::Unsigned);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2043
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2044
  Label not_found;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2045
  // Ri = offset offset
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2046
  __ cmpw(CCR0, Rkey, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2047
  __ beq(CCR0, not_found);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2048
  // entry not found -> j = default offset
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  2049
  __ get_u4(Rj, Rarray, -2 * BytesPerInt, InterpreterMacroAssembler::Unsigned);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2050
  __ b(default_case);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2051
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2052
  __ bind(not_found);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2053
  // entry found -> j = offset
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2054
  __ profile_switch_case(Rh, Rj, Rscratch, Rkey);
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  2055
  __ get_u4(Rj, Ri, BytesPerInt, InterpreterMacroAssembler::Unsigned);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2056
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2057
  if (ProfileInterpreter) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2058
    __ b(continue_execution);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2059
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2060
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2061
  __ bind(default_case); // fall through (if not profiling)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2062
  __ profile_switch_default(Ri, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2063
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2064
  __ bind(continue_execution);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2065
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2066
  __ extsw(Rj, Rj);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2067
  __ add(R14_bcp, Rj, R14_bcp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2068
  __ dispatch_next(vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2069
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2070
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2071
void TemplateTable::_return(TosState state) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2072
  transition(state, state);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2073
  assert(_desc->calls_vm(),
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2074
         "inconsistent calls_vm information"); // call in remove_activation
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2075
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2076
  if (_desc->bytecode() == Bytecodes::_return_register_finalizer) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2077
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2078
    Register Rscratch     = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2079
             Rklass       = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2080
             Rklass_flags = Rklass;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2081
    Label Lskip_register_finalizer;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2082
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2083
    // Check if the method has the FINALIZER flag set and call into the VM to finalize in this case.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2084
    assert(state == vtos, "only valid state");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2085
    __ ld(R17_tos, 0, R18_locals);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2086
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2087
    // Load klass of this obj.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2088
    __ load_klass(Rklass, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2089
    __ lwz(Rklass_flags, in_bytes(Klass::access_flags_offset()), Rklass);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2090
    __ testbitdi(CCR0, R0, Rklass_flags, exact_log2(JVM_ACC_HAS_FINALIZER));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2091
    __ bfalse(CCR0, Lskip_register_finalizer);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2092
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2093
    __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::register_finalizer), R17_tos /* obj */);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2094
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2095
    __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2096
    __ bind(Lskip_register_finalizer);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2097
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2098
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2099
  // Move the result value into the correct register and remove memory stack frame.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2100
  __ remove_activation(state, /* throw_monitor_exception */ true);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2101
  // Restoration of lr done by remove_activation.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2102
  switch (state) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2103
    case ltos:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2104
    case btos:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2105
    case ctos:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2106
    case stos:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2107
    case atos:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2108
    case itos: __ mr(R3_RET, R17_tos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2109
    case ftos:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2110
    case dtos: __ fmr(F1_RET, F15_ftos); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2111
    case vtos: // This might be a constructor. Final fields (and volatile fields on PPC64) need
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2112
               // to get visible before the reference to the object gets stored anywhere.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2113
               __ membar(Assembler::StoreStore); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2114
    default  : ShouldNotReachHere();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2115
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2116
  __ blr();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2117
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2118
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2119
// ============================================================================
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2120
// Constant pool cache access
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2121
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2122
// Memory ordering:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2123
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2124
// Like done in C++ interpreter, we load the fields
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2125
//   - _indices
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2126
//   - _f12_oop
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2127
// acquired, because these are asked if the cache is already resolved. We don't
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2128
// want to float loads above this check.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2129
// See also comments in ConstantPoolCacheEntry::bytecode_1(),
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2130
// ConstantPoolCacheEntry::bytecode_2() and ConstantPoolCacheEntry::f1();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2131
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2132
// Call into the VM if call site is not yet resolved
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2133
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2134
// Input regs:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2135
//   - None, all passed regs are outputs.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2136
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2137
// Returns:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2138
//   - Rcache:  The const pool cache entry that contains the resolved result.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2139
//   - Rresult: Either noreg or output for f1/f2.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2140
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2141
// Kills:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2142
//   - Rscratch
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2143
void TemplateTable::resolve_cache_and_index(int byte_no, Register Rcache, Register Rscratch, size_t index_size) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2144
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2145
  __ get_cache_and_index_at_bcp(Rcache, 1, index_size);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2146
  Label Lresolved, Ldone;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2147
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2148
  assert(byte_no == f1_byte || byte_no == f2_byte, "byte_no out of range");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2149
  // We are resolved if the indices offset contains the current bytecode.
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  2150
#if defined(VM_LITTLE_ENDIAN)
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  2151
  __ lbz(Rscratch, in_bytes(ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::indices_offset()) + byte_no + 1, Rcache);
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  2152
#else
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2153
  __ lbz(Rscratch, in_bytes(ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::indices_offset()) + 7 - (byte_no + 1), Rcache);
25916
c5c22fab48fd 8050942: PPC64: implement template interpreter for ppc64le
kvn
parents: 25715
diff changeset
  2154
#endif
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2155
  // Acquire by cmp-br-isync (see below).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2156
  __ cmpdi(CCR0, Rscratch, (int)bytecode());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2157
  __ beq(CCR0, Lresolved);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2158
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2159
  address entry = NULL;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2160
  switch (bytecode()) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2161
    case Bytecodes::_getstatic      : // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2162
    case Bytecodes::_putstatic      : // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2163
    case Bytecodes::_getfield       : // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2164
    case Bytecodes::_putfield       : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_get_put); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2165
    case Bytecodes::_invokevirtual  : // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2166
    case Bytecodes::_invokespecial  : // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2167
    case Bytecodes::_invokestatic   : // fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2168
    case Bytecodes::_invokeinterface: entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invoke); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2169
    case Bytecodes::_invokehandle   : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokehandle); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2170
    case Bytecodes::_invokedynamic  : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokedynamic); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2171
    default                         : ShouldNotReachHere(); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2172
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2173
  __ li(R4_ARG2, (int)bytecode());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2174
  __ call_VM(noreg, entry, R4_ARG2, true);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2175
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2176
  // Update registers with resolved info.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2177
  __ get_cache_and_index_at_bcp(Rcache, 1, index_size);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2178
  __ b(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2179
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2180
  __ bind(Lresolved);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2181
  __ isync(); // Order load wrt. succeeding loads.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2182
  __ bind(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2183
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2184
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2185
// Load the constant pool cache entry at field accesses into registers.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2186
// The Rcache and Rindex registers must be set before call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2187
// Input:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2188
//   - Rcache, Rindex
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2189
// Output:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2190
//   - Robj, Roffset, Rflags
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2191
void TemplateTable::load_field_cp_cache_entry(Register Robj,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2192
                                              Register Rcache,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2193
                                              Register Rindex /* unused on PPC64 */,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2194
                                              Register Roffset,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2195
                                              Register Rflags,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2196
                                              bool is_static = false) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2197
  assert_different_registers(Rcache, Rflags, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2198
  // assert(Rindex == noreg, "parameter not used on PPC64");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2199
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2200
  ByteSize cp_base_offset = ConstantPoolCache::base_offset();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2201
  __ ld(Rflags, in_bytes(cp_base_offset) + in_bytes(ConstantPoolCacheEntry::flags_offset()), Rcache);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2202
  __ ld(Roffset, in_bytes(cp_base_offset) + in_bytes(ConstantPoolCacheEntry::f2_offset()), Rcache);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2203
  if (is_static) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2204
    __ ld(Robj, in_bytes(cp_base_offset) + in_bytes(ConstantPoolCacheEntry::f1_offset()), Rcache);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2205
    __ ld(Robj, in_bytes(Klass::java_mirror_offset()), Robj);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2206
    // Acquire not needed here. Following access has an address dependency on this value.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2207
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2208
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2209
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2210
// Load the constant pool cache entry at invokes into registers.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2211
// Resolve if necessary.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2212
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2213
// Input Registers:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2214
//   - None, bcp is used, though
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2215
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2216
// Return registers:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2217
//   - Rmethod       (f1 field or f2 if invokevirtual)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2218
//   - Ritable_index (f2 field)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2219
//   - Rflags        (flags field)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2220
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2221
// Kills:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2222
//   - R21
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2223
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2224
void TemplateTable::load_invoke_cp_cache_entry(int byte_no,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2225
                                               Register Rmethod,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2226
                                               Register Ritable_index,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2227
                                               Register Rflags,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2228
                                               bool is_invokevirtual,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2229
                                               bool is_invokevfinal,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2230
                                               bool is_invokedynamic) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2231
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2232
  ByteSize cp_base_offset = ConstantPoolCache::base_offset();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2233
  // Determine constant pool cache field offsets.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2234
  assert(is_invokevirtual == (byte_no == f2_byte), "is_invokevirtual flag redundant");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2235
  const int method_offset = in_bytes(cp_base_offset + (is_invokevirtual ? ConstantPoolCacheEntry::f2_offset() : ConstantPoolCacheEntry::f1_offset()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2236
  const int flags_offset  = in_bytes(cp_base_offset + ConstantPoolCacheEntry::flags_offset());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2237
  // Access constant pool cache fields.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2238
  const int index_offset  = in_bytes(cp_base_offset + ConstantPoolCacheEntry::f2_offset());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2239
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2240
  Register Rcache = R21_tmp1; // Note: same register as R21_sender_SP.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2241
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2242
  if (is_invokevfinal) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2243
    assert(Ritable_index == noreg, "register not used");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2244
    // Already resolved.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2245
    __ get_cache_and_index_at_bcp(Rcache, 1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2246
  } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2247
    resolve_cache_and_index(byte_no, Rcache, R0, is_invokedynamic ? sizeof(u4) : sizeof(u2));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2248
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2249
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2250
  __ ld(Rmethod, method_offset, Rcache);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2251
  __ ld(Rflags, flags_offset, Rcache);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2252
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2253
  if (Ritable_index != noreg) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2254
    __ ld(Ritable_index, index_offset, Rcache);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2255
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2256
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2257
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2258
// ============================================================================
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2259
// Field access
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2260
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2261
// Volatile variables demand their effects be made known to all CPU's
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2262
// in order. Store buffers on most chips allow reads & writes to
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2263
// reorder; the JMM's ReadAfterWrite.java test fails in -Xint mode
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2264
// without some kind of memory barrier (i.e., it's not sufficient that
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2265
// the interpreter does not reorder volatile references, the hardware
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2266
// also must not reorder them).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2267
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2268
// According to the new Java Memory Model (JMM):
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2269
// (1) All volatiles are serialized wrt to each other. ALSO reads &
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2270
//     writes act as aquire & release, so:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2271
// (2) A read cannot let unrelated NON-volatile memory refs that
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2272
//     happen after the read float up to before the read. It's OK for
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2273
//     non-volatile memory refs that happen before the volatile read to
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2274
//     float down below it.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2275
// (3) Similar a volatile write cannot let unrelated NON-volatile
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2276
//     memory refs that happen BEFORE the write float down to after the
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2277
//     write. It's OK for non-volatile memory refs that happen after the
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2278
//     volatile write to float up before it.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2279
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2280
// We only put in barriers around volatile refs (they are expensive),
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2281
// not _between_ memory refs (that would require us to track the
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2282
// flavor of the previous memory refs). Requirements (2) and (3)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2283
// require some barriers before volatile stores and after volatile
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2284
// loads. These nearly cover requirement (1) but miss the
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2285
// volatile-store-volatile-load case.  This final case is placed after
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2286
// volatile-stores although it could just as well go before
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2287
// volatile-loads.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2288
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2289
// The registers cache and index expected to be set before call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2290
// Correct values of the cache and index registers are preserved.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2291
// Kills:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2292
//   Rcache (if has_tos)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2293
//   Rscratch
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2294
void TemplateTable::jvmti_post_field_access(Register Rcache, Register Rscratch, bool is_static, bool has_tos) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2295
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2296
  assert_different_registers(Rcache, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2297
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2298
  if (JvmtiExport::can_post_field_access()) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2299
    ByteSize cp_base_offset = ConstantPoolCache::base_offset();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2300
    Label Lno_field_access_post;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2301
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2302
    // Check if post field access in enabled.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2303
    int offs = __ load_const_optimized(Rscratch, JvmtiExport::get_field_access_count_addr(), R0, true);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2304
    __ lwz(Rscratch, offs, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2305
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2306
    __ cmpwi(CCR0, Rscratch, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2307
    __ beq(CCR0, Lno_field_access_post);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2308
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2309
    // Post access enabled - do it!
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2310
    __ addi(Rcache, Rcache, in_bytes(cp_base_offset));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2311
    if (is_static) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2312
      __ li(R17_tos, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2313
    } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2314
      if (has_tos) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2315
        // The fast bytecode versions have obj ptr in register.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2316
        // Thus, save object pointer before call_VM() clobbers it
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2317
        // put object on tos where GC wants it.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2318
        __ push_ptr(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2319
      } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2320
        // Load top of stack (do not pop the value off the stack).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2321
        __ ld(R17_tos, Interpreter::expr_offset_in_bytes(0), R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2322
      }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2323
      __ verify_oop(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2324
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2325
    // tos:   object pointer or NULL if static
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2326
    // cache: cache entry pointer
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2327
    __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_access), R17_tos, Rcache);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2328
    if (!is_static && has_tos) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2329
      // Restore object pointer.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2330
      __ pop_ptr(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2331
      __ verify_oop(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2332
    } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2333
      // Cache is still needed to get class or obj.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2334
      __ get_cache_and_index_at_bcp(Rcache, 1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2335
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2336
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2337
    __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2338
    __ bind(Lno_field_access_post);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2339
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2340
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2341
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2342
// kills R11_scratch1
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2343
void TemplateTable::pop_and_check_object(Register Roop) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2344
  Register Rtmp = R11_scratch1;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2345
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2346
  assert_different_registers(Rtmp, Roop);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2347
  __ pop_ptr(Roop);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2348
  // For field access must check obj.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2349
  __ null_check_throw(Roop, -1, Rtmp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2350
  __ verify_oop(Roop);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2351
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2352
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2353
// PPC64: implement volatile loads as fence-store-acquire.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2354
void TemplateTable::getfield_or_static(int byte_no, bool is_static) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2355
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2356
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2357
  Label Lacquire, Lisync;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2358
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2359
  const Register Rcache        = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2360
                 Rclass_or_obj = R22_tmp2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2361
                 Roffset       = R23_tmp3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2362
                 Rflags        = R31,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2363
                 Rbtable       = R5_ARG3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2364
                 Rbc           = R6_ARG4,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2365
                 Rscratch      = R12_scratch2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2366
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2367
  static address field_branch_table[number_of_states],
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2368
                 static_branch_table[number_of_states];
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2369
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2370
  address* branch_table = is_static ? static_branch_table : field_branch_table;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2371
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2372
  // Get field offset.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2373
  resolve_cache_and_index(byte_no, Rcache, Rscratch, sizeof(u2));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2374
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2375
  // JVMTI support
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2376
  jvmti_post_field_access(Rcache, Rscratch, is_static, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2377
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2378
  // Load after possible GC.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2379
  load_field_cp_cache_entry(Rclass_or_obj, Rcache, noreg, Roffset, Rflags, is_static);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2380
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2381
  // Load pointer to branch table.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2382
  __ load_const_optimized(Rbtable, (address)branch_table, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2383
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2384
  // Get volatile flag.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2385
  __ rldicl(Rscratch, Rflags, 64-ConstantPoolCacheEntry::is_volatile_shift, 63); // Extract volatile bit.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2386
  // Note: sync is needed before volatile load on PPC64.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2387
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2388
  // Check field type.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2389
  __ rldicl(Rflags, Rflags, 64-ConstantPoolCacheEntry::tos_state_shift, 64-ConstantPoolCacheEntry::tos_state_bits);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2390
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2391
#ifdef ASSERT
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2392
  Label LFlagInvalid;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2393
  __ cmpldi(CCR0, Rflags, number_of_states);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2394
  __ bge(CCR0, LFlagInvalid);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2395
#endif
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2396
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2397
  // Load from branch table and dispatch (volatile case: one instruction ahead).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2398
  __ sldi(Rflags, Rflags, LogBytesPerWord);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2399
  __ cmpwi(CCR6, Rscratch, 1); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2400
  if (support_IRIW_for_not_multiple_copy_atomic_cpu) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2401
    __ sldi(Rscratch, Rscratch, exact_log2(BytesPerInstWord)); // Volatile ? size of 1 instruction : 0.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2402
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2403
  __ ldx(Rbtable, Rbtable, Rflags);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2404
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2405
  // Get the obj from stack.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2406
  if (!is_static) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2407
    pop_and_check_object(Rclass_or_obj); // Kills R11_scratch1.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2408
  } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2409
    __ verify_oop(Rclass_or_obj);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2410
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2411
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2412
  if (support_IRIW_for_not_multiple_copy_atomic_cpu) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2413
    __ subf(Rbtable, Rscratch, Rbtable); // Point to volatile/non-volatile entry point.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2414
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2415
  __ mtctr(Rbtable);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2416
  __ bctr();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2417
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2418
#ifdef ASSERT
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2419
  __ bind(LFlagInvalid);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2420
  __ stop("got invalid flag", 0x654);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2421
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2422
  // __ bind(Lvtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2423
  address pc_before_fence = __ pc();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2424
  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2425
  assert(__ pc() - pc_before_fence == (ptrdiff_t)BytesPerInstWord, "must be single instruction");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2426
  assert(branch_table[vtos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2427
  branch_table[vtos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2428
  __ stop("vtos unexpected", 0x655);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2429
#endif
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2430
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2431
  __ align(32, 28, 28); // Align load.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2432
  // __ bind(Ldtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2433
  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2434
  assert(branch_table[dtos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2435
  branch_table[dtos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2436
  __ lfdx(F15_ftos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2437
  __ push(dtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2438
  if (!is_static) patch_bytecode(Bytecodes::_fast_dgetfield, Rbc, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2439
  {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2440
    Label acquire_double;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2441
    __ beq(CCR6, acquire_double); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2442
    __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2443
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2444
    __ bind(acquire_double);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2445
    __ fcmpu(CCR0, F15_ftos, F15_ftos); // Acquire by cmp-br-isync.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2446
    __ beq_predict_taken(CCR0, Lisync);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2447
    __ b(Lisync); // In case of NAN.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2448
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2449
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2450
  __ align(32, 28, 28); // Align load.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2451
  // __ bind(Lftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2452
  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2453
  assert(branch_table[ftos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2454
  branch_table[ftos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2455
  __ lfsx(F15_ftos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2456
  __ push(ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2457
  if (!is_static) { patch_bytecode(Bytecodes::_fast_fgetfield, Rbc, Rscratch); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2458
  {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2459
    Label acquire_float;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2460
    __ beq(CCR6, acquire_float); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2461
    __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2462
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2463
    __ bind(acquire_float);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2464
    __ fcmpu(CCR0, F15_ftos, F15_ftos); // Acquire by cmp-br-isync.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2465
    __ beq_predict_taken(CCR0, Lisync);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2466
    __ b(Lisync); // In case of NAN.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2467
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2468
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2469
  __ align(32, 28, 28); // Align load.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2470
  // __ bind(Litos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2471
  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2472
  assert(branch_table[itos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2473
  branch_table[itos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2474
  __ lwax(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2475
  __ push(itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2476
  if (!is_static) patch_bytecode(Bytecodes::_fast_igetfield, Rbc, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2477
  __ beq(CCR6, Lacquire); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2478
  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2479
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2480
  __ align(32, 28, 28); // Align load.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2481
  // __ bind(Lltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2482
  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2483
  assert(branch_table[ltos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2484
  branch_table[ltos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2485
  __ ldx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2486
  __ push(ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2487
  if (!is_static) patch_bytecode(Bytecodes::_fast_lgetfield, Rbc, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2488
  __ beq(CCR6, Lacquire); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2489
  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2490
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2491
  __ align(32, 28, 28); // Align load.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2492
  // __ bind(Lbtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2493
  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2494
  assert(branch_table[btos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2495
  branch_table[btos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2496
  __ lbzx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2497
  __ extsb(R17_tos, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2498
  __ push(btos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2499
  if (!is_static) patch_bytecode(Bytecodes::_fast_bgetfield, Rbc, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2500
  __ beq(CCR6, Lacquire); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2501
  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2502
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2503
  __ align(32, 28, 28); // Align load.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2504
  // __ bind(Lctos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2505
  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2506
  assert(branch_table[ctos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2507
  branch_table[ctos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2508
  __ lhzx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2509
  __ push(ctos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2510
  if (!is_static) patch_bytecode(Bytecodes::_fast_cgetfield, Rbc, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2511
  __ beq(CCR6, Lacquire); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2512
  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2513
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2514
  __ align(32, 28, 28); // Align load.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2515
  // __ bind(Lstos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2516
  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2517
  assert(branch_table[stos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2518
  branch_table[stos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2519
  __ lhax(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2520
  __ push(stos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2521
  if (!is_static) patch_bytecode(Bytecodes::_fast_sgetfield, Rbc, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2522
  __ beq(CCR6, Lacquire); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2523
  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2524
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2525
  __ align(32, 28, 28); // Align load.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2526
  // __ bind(Latos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2527
  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2528
  assert(branch_table[atos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2529
  branch_table[atos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2530
  __ load_heap_oop(R17_tos, (RegisterOrConstant)Roffset, Rclass_or_obj);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2531
  __ verify_oop(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2532
  __ push(atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2533
  //__ dcbt(R17_tos); // prefetch
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2534
  if (!is_static) patch_bytecode(Bytecodes::_fast_agetfield, Rbc, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2535
  __ beq(CCR6, Lacquire); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2536
  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2537
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2538
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2539
  __ bind(Lacquire);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2540
  __ twi_0(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2541
  __ bind(Lisync);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2542
  __ isync(); // acquire
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2543
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2544
#ifdef ASSERT
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2545
  for (int i = 0; i<number_of_states; ++i) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2546
    assert(branch_table[i], "get initialization");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2547
    //tty->print_cr("get: %s_branch_table[%d] = 0x%llx (opcode 0x%llx)",
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2548
    //              is_static ? "static" : "field", i, branch_table[i], *((unsigned int*)branch_table[i]));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2549
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2550
#endif
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2551
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2552
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2553
void TemplateTable::getfield(int byte_no) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2554
  getfield_or_static(byte_no, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2555
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2556
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2557
void TemplateTable::getstatic(int byte_no) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2558
  getfield_or_static(byte_no, true);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2559
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2560
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2561
// The registers cache and index expected to be set before call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2562
// The function may destroy various registers, just not the cache and index registers.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2563
void TemplateTable::jvmti_post_field_mod(Register Rcache, Register Rscratch, bool is_static) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2564
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2565
  assert_different_registers(Rcache, Rscratch, R6_ARG4);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2566
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2567
  if (JvmtiExport::can_post_field_modification()) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2568
    Label Lno_field_mod_post;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2569
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2570
    // Check if post field access in enabled.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2571
    int offs = __ load_const_optimized(Rscratch, JvmtiExport::get_field_modification_count_addr(), R0, true);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2572
    __ lwz(Rscratch, offs, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2573
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2574
    __ cmpwi(CCR0, Rscratch, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2575
    __ beq(CCR0, Lno_field_mod_post);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2576
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2577
    // Do the post
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2578
    ByteSize cp_base_offset = ConstantPoolCache::base_offset();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2579
    const Register Robj = Rscratch;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2580
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2581
    __ addi(Rcache, Rcache, in_bytes(cp_base_offset));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2582
    if (is_static) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2583
      // Life is simple. Null out the object pointer.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2584
      __ li(Robj, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2585
    } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2586
      // In case of the fast versions, value lives in registers => put it back on tos.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2587
      int offs = Interpreter::expr_offset_in_bytes(0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2588
      Register base = R15_esp;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2589
      switch(bytecode()) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2590
        case Bytecodes::_fast_aputfield: __ push_ptr(); offs+= Interpreter::stackElementSize; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2591
        case Bytecodes::_fast_iputfield: // Fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2592
        case Bytecodes::_fast_bputfield: // Fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2593
        case Bytecodes::_fast_cputfield: // Fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2594
        case Bytecodes::_fast_sputfield: __ push_i(); offs+=  Interpreter::stackElementSize; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2595
        case Bytecodes::_fast_lputfield: __ push_l(); offs+=2*Interpreter::stackElementSize; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2596
        case Bytecodes::_fast_fputfield: __ push_f(); offs+=  Interpreter::stackElementSize; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2597
        case Bytecodes::_fast_dputfield: __ push_d(); offs+=2*Interpreter::stackElementSize; break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2598
        default: {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2599
          offs = 0;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2600
          base = Robj;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2601
          const Register Rflags = Robj;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2602
          Label is_one_slot;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2603
          // Life is harder. The stack holds the value on top, followed by the
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2604
          // object. We don't know the size of the value, though; it could be
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2605
          // one or two words depending on its type. As a result, we must find
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2606
          // the type to determine where the object is.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2607
          __ ld(Rflags, in_bytes(ConstantPoolCacheEntry::flags_offset()), Rcache); // Big Endian
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2608
          __ rldicl(Rflags, Rflags, 64-ConstantPoolCacheEntry::tos_state_shift, 64-ConstantPoolCacheEntry::tos_state_bits);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2609
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2610
          __ cmpwi(CCR0, Rflags, ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2611
          __ cmpwi(CCR1, Rflags, dtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2612
          __ addi(base, R15_esp, Interpreter::expr_offset_in_bytes(1));
28492
57fecf138f7b 8068724: ppc64: update assembler: SPR access, CR logic, HTM
mdoerr
parents: 28187
diff changeset
  2613
          __ crnor(CCR0, Assembler::equal, CCR1, Assembler::equal);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2614
          __ beq(CCR0, is_one_slot);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2615
          __ addi(base, R15_esp, Interpreter::expr_offset_in_bytes(2));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2616
          __ bind(is_one_slot);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2617
          break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2618
        }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2619
      }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2620
      __ ld(Robj, offs, base);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2621
      __ verify_oop(Robj);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2622
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2623
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2624
    __ addi(R6_ARG4, R15_esp, Interpreter::expr_offset_in_bytes(0));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2625
    __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_modification), Robj, Rcache, R6_ARG4);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2626
    __ get_cache_and_index_at_bcp(Rcache, 1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2627
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2628
    // In case of the fast versions, value lives in registers => put it back on tos.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2629
    switch(bytecode()) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2630
      case Bytecodes::_fast_aputfield: __ pop_ptr(); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2631
      case Bytecodes::_fast_iputfield: // Fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2632
      case Bytecodes::_fast_bputfield: // Fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2633
      case Bytecodes::_fast_cputfield: // Fall through
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2634
      case Bytecodes::_fast_sputfield: __ pop_i(); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2635
      case Bytecodes::_fast_lputfield: __ pop_l(); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2636
      case Bytecodes::_fast_fputfield: __ pop_f(); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2637
      case Bytecodes::_fast_dputfield: __ pop_d(); break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2638
      default: break; // Nothin' to do.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2639
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2640
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2641
    __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2642
    __ bind(Lno_field_mod_post);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2643
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2644
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2645
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2646
// PPC64: implement volatile stores as release-store (return bytecode contains an additional release).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2647
void TemplateTable::putfield_or_static(int byte_no, bool is_static) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2648
  Label Lvolatile;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2649
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2650
  const Register Rcache        = R5_ARG3,  // Do not use ARG1/2 (causes trouble in jvmti_post_field_mod).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2651
                 Rclass_or_obj = R31,      // Needs to survive C call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2652
                 Roffset       = R22_tmp2, // Needs to survive C call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2653
                 Rflags        = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2654
                 Rbtable       = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2655
                 Rscratch      = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2656
                 Rscratch2     = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2657
                 Rscratch3     = R6_ARG4,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2658
                 Rbc           = Rscratch3;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2659
  const ConditionRegister CR_is_vol = CCR2; // Non-volatile condition register (survives runtime call in do_oop_store).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2660
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2661
  static address field_branch_table[number_of_states],
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2662
                 static_branch_table[number_of_states];
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2663
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2664
  address* branch_table = is_static ? static_branch_table : field_branch_table;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2665
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2666
  // Stack (grows up):
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2667
  //  value
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2668
  //  obj
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2669
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2670
  // Load the field offset.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2671
  resolve_cache_and_index(byte_no, Rcache, Rscratch, sizeof(u2));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2672
  jvmti_post_field_mod(Rcache, Rscratch, is_static);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2673
  load_field_cp_cache_entry(Rclass_or_obj, Rcache, noreg, Roffset, Rflags, is_static);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2674
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2675
  // Load pointer to branch table.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2676
  __ load_const_optimized(Rbtable, (address)branch_table, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2677
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2678
  // Get volatile flag.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2679
  __ rldicl(Rscratch, Rflags, 64-ConstantPoolCacheEntry::is_volatile_shift, 63); // Extract volatile bit.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2680
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2681
  // Check the field type.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2682
  __ rldicl(Rflags, Rflags, 64-ConstantPoolCacheEntry::tos_state_shift, 64-ConstantPoolCacheEntry::tos_state_bits);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2683
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2684
#ifdef ASSERT
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2685
  Label LFlagInvalid;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2686
  __ cmpldi(CCR0, Rflags, number_of_states);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2687
  __ bge(CCR0, LFlagInvalid);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2688
#endif
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2689
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2690
  // Load from branch table and dispatch (volatile case: one instruction ahead).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2691
  __ sldi(Rflags, Rflags, LogBytesPerWord);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2692
  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) { __ cmpwi(CR_is_vol, Rscratch, 1); } // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2693
  __ sldi(Rscratch, Rscratch, exact_log2(BytesPerInstWord)); // Volatile? size of instruction 1 : 0.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2694
  __ ldx(Rbtable, Rbtable, Rflags);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2695
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2696
  __ subf(Rbtable, Rscratch, Rbtable); // Point to volatile/non-volatile entry point.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2697
  __ mtctr(Rbtable);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2698
  __ bctr();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2699
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2700
#ifdef ASSERT
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2701
  __ bind(LFlagInvalid);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2702
  __ stop("got invalid flag", 0x656);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2703
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2704
  // __ bind(Lvtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2705
  address pc_before_release = __ pc();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2706
  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2707
  assert(__ pc() - pc_before_release == (ptrdiff_t)BytesPerInstWord, "must be single instruction");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2708
  assert(branch_table[vtos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2709
  branch_table[vtos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2710
  __ stop("vtos unexpected", 0x657);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2711
#endif
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2712
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2713
  __ align(32, 28, 28); // Align pop.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2714
  // __ bind(Ldtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2715
  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2716
  assert(branch_table[dtos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2717
  branch_table[dtos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2718
  __ pop(dtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2719
  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // Kills R11_scratch1.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2720
  __ stfdx(F15_ftos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2721
  if (!is_static) { patch_bytecode(Bytecodes::_fast_dputfield, Rbc, Rscratch, true, byte_no); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2722
  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2723
    __ beq(CR_is_vol, Lvolatile); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2724
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2725
  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2726
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2727
  __ align(32, 28, 28); // Align pop.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2728
  // __ bind(Lftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2729
  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2730
  assert(branch_table[ftos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2731
  branch_table[ftos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2732
  __ pop(ftos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2733
  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // Kills R11_scratch1.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2734
  __ stfsx(F15_ftos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2735
  if (!is_static) { patch_bytecode(Bytecodes::_fast_fputfield, Rbc, Rscratch, true, byte_no); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2736
  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2737
    __ beq(CR_is_vol, Lvolatile); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2738
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2739
  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2740
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2741
  __ align(32, 28, 28); // Align pop.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2742
  // __ bind(Litos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2743
  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2744
  assert(branch_table[itos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2745
  branch_table[itos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2746
  __ pop(itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2747
  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // Kills R11_scratch1.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2748
  __ stwx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2749
  if (!is_static) { patch_bytecode(Bytecodes::_fast_iputfield, Rbc, Rscratch, true, byte_no); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2750
  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2751
    __ beq(CR_is_vol, Lvolatile); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2752
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2753
  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2754
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2755
  __ align(32, 28, 28); // Align pop.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2756
  // __ bind(Lltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2757
  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2758
  assert(branch_table[ltos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2759
  branch_table[ltos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2760
  __ pop(ltos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2761
  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // Kills R11_scratch1.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2762
  __ stdx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2763
  if (!is_static) { patch_bytecode(Bytecodes::_fast_lputfield, Rbc, Rscratch, true, byte_no); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2764
  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2765
    __ beq(CR_is_vol, Lvolatile); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2766
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2767
  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2768
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2769
  __ align(32, 28, 28); // Align pop.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2770
  // __ bind(Lbtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2771
  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2772
  assert(branch_table[btos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2773
  branch_table[btos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2774
  __ pop(btos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2775
  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // Kills R11_scratch1.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2776
  __ stbx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2777
  if (!is_static) { patch_bytecode(Bytecodes::_fast_bputfield, Rbc, Rscratch, true, byte_no); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2778
  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2779
    __ beq(CR_is_vol, Lvolatile); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2780
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2781
  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2782
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2783
  __ align(32, 28, 28); // Align pop.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2784
  // __ bind(Lctos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2785
  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2786
  assert(branch_table[ctos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2787
  branch_table[ctos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2788
  __ pop(ctos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2789
  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // Kills R11_scratch1..
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2790
  __ sthx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2791
  if (!is_static) { patch_bytecode(Bytecodes::_fast_cputfield, Rbc, Rscratch, true, byte_no); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2792
  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2793
    __ beq(CR_is_vol, Lvolatile); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2794
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2795
  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2796
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2797
  __ align(32, 28, 28); // Align pop.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2798
  // __ bind(Lstos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2799
  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2800
  assert(branch_table[stos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2801
  branch_table[stos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2802
  __ pop(stos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2803
  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // Kills R11_scratch1.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2804
  __ sthx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2805
  if (!is_static) { patch_bytecode(Bytecodes::_fast_sputfield, Rbc, Rscratch, true, byte_no); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2806
  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2807
    __ beq(CR_is_vol, Lvolatile); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2808
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2809
  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2810
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2811
  __ align(32, 28, 28); // Align pop.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2812
  // __ bind(Latos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2813
  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2814
  assert(branch_table[atos] == 0, "can't compute twice");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2815
  branch_table[atos] = __ pc(); // non-volatile_entry point
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2816
  __ pop(atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2817
  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // kills R11_scratch1
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2818
  do_oop_store(_masm, Rclass_or_obj, Roffset, R17_tos, Rscratch, Rscratch2, Rscratch3, _bs->kind(), false /* precise */, true /* check null */);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2819
  if (!is_static) { patch_bytecode(Bytecodes::_fast_aputfield, Rbc, Rscratch, true, byte_no); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2820
  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2821
    __ beq(CR_is_vol, Lvolatile); // Volatile?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2822
    __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2823
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2824
    __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2825
    __ bind(Lvolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2826
    __ fence();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2827
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2828
  // fallthru: __ b(Lexit);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2829
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2830
#ifdef ASSERT
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2831
  for (int i = 0; i<number_of_states; ++i) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2832
    assert(branch_table[i], "put initialization");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2833
    //tty->print_cr("put: %s_branch_table[%d] = 0x%llx (opcode 0x%llx)",
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2834
    //              is_static ? "static" : "field", i, branch_table[i], *((unsigned int*)branch_table[i]));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2835
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2836
#endif
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2837
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2838
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2839
void TemplateTable::putfield(int byte_no) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2840
  putfield_or_static(byte_no, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2841
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2842
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2843
void TemplateTable::putstatic(int byte_no) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2844
  putfield_or_static(byte_no, true);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2845
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2846
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2847
// See SPARC. On PPC64, we have a different jvmti_post_field_mod which does the job.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2848
void TemplateTable::jvmti_post_fast_field_mod() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2849
  __ should_not_reach_here();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2850
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2851
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2852
void TemplateTable::fast_storefield(TosState state) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2853
  transition(state, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2854
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2855
  const Register Rcache        = R5_ARG3,  // Do not use ARG1/2 (causes trouble in jvmti_post_field_mod).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2856
                 Rclass_or_obj = R31,      // Needs to survive C call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2857
                 Roffset       = R22_tmp2, // Needs to survive C call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2858
                 Rflags        = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2859
                 Rscratch      = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2860
                 Rscratch2     = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2861
                 Rscratch3     = R4_ARG2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2862
  const ConditionRegister CR_is_vol = CCR2; // Non-volatile condition register (survives runtime call in do_oop_store).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2863
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2864
  // Constant pool already resolved => Load flags and offset of field.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2865
  __ get_cache_and_index_at_bcp(Rcache, 1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2866
  jvmti_post_field_mod(Rcache, Rscratch, false /* not static */);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2867
  load_field_cp_cache_entry(noreg, Rcache, noreg, Roffset, Rflags, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2868
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2869
  // Get the obj and the final store addr.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2870
  pop_and_check_object(Rclass_or_obj); // Kills R11_scratch1.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2871
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2872
  // Get volatile flag.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2873
  __ rldicl_(Rscratch, Rflags, 64-ConstantPoolCacheEntry::is_volatile_shift, 63); // Extract volatile bit.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2874
  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) { __ cmpdi(CR_is_vol, Rscratch, 1); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2875
  {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2876
    Label LnotVolatile;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2877
    __ beq(CCR0, LnotVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2878
    __ release();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2879
    __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2880
    __ bind(LnotVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2881
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2882
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2883
  // Do the store and fencing.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2884
  switch(bytecode()) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2885
    case Bytecodes::_fast_aputfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2886
      // Store into the field.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2887
      do_oop_store(_masm, Rclass_or_obj, Roffset, R17_tos, Rscratch, Rscratch2, Rscratch3, _bs->kind(), false /* precise */, true /* check null */);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2888
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2889
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2890
    case Bytecodes::_fast_iputfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2891
      __ stwx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2892
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2893
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2894
    case Bytecodes::_fast_lputfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2895
      __ stdx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2896
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2897
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2898
    case Bytecodes::_fast_bputfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2899
      __ stbx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2900
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2901
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2902
    case Bytecodes::_fast_cputfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2903
    case Bytecodes::_fast_sputfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2904
      __ sthx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2905
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2906
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2907
    case Bytecodes::_fast_fputfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2908
      __ stfsx(F15_ftos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2909
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2910
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2911
    case Bytecodes::_fast_dputfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2912
      __ stfdx(F15_ftos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2913
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2914
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2915
    default: ShouldNotReachHere();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2916
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2917
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2918
  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2919
    Label LVolatile;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2920
    __ beq(CR_is_vol, LVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2921
    __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2922
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2923
    __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2924
    __ bind(LVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2925
    __ fence();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2926
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2927
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2928
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2929
void TemplateTable::fast_accessfield(TosState state) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2930
  transition(atos, state);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2931
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2932
  Label LisVolatile;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2933
  ByteSize cp_base_offset = ConstantPoolCache::base_offset();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2934
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2935
  const Register Rcache        = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2936
                 Rclass_or_obj = R17_tos,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2937
                 Roffset       = R22_tmp2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2938
                 Rflags        = R23_tmp3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2939
                 Rscratch      = R12_scratch2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2940
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2941
  // Constant pool already resolved. Get the field offset.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2942
  __ get_cache_and_index_at_bcp(Rcache, 1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2943
  load_field_cp_cache_entry(noreg, Rcache, noreg, Roffset, Rflags, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2944
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2945
  // JVMTI support
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2946
  jvmti_post_field_access(Rcache, Rscratch, false, true);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2947
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2948
  // Get the load address.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2949
  __ null_check_throw(Rclass_or_obj, -1, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2950
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2951
  // Get volatile flag.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2952
  __ rldicl_(Rscratch, Rflags, 64-ConstantPoolCacheEntry::is_volatile_shift, 63); // Extract volatile bit.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2953
  __ bne(CCR0, LisVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2954
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2955
  switch(bytecode()) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2956
    case Bytecodes::_fast_agetfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2957
    {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2958
      __ load_heap_oop(R17_tos, (RegisterOrConstant)Roffset, Rclass_or_obj);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2959
      __ verify_oop(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2960
      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2961
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2962
      __ bind(LisVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2963
      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2964
      __ load_heap_oop(R17_tos, (RegisterOrConstant)Roffset, Rclass_or_obj);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2965
      __ verify_oop(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2966
      __ twi_0(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2967
      __ isync();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2968
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2969
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2970
    case Bytecodes::_fast_igetfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2971
    {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2972
      __ lwax(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2973
      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2974
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2975
      __ bind(LisVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2976
      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2977
      __ lwax(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2978
      __ twi_0(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2979
      __ isync();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2980
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2981
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2982
    case Bytecodes::_fast_lgetfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2983
    {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2984
      __ ldx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2985
      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2986
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2987
      __ bind(LisVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2988
      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2989
      __ ldx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2990
      __ twi_0(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2991
      __ isync();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2992
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2993
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2994
    case Bytecodes::_fast_bgetfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2995
    {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2996
      __ lbzx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2997
      __ extsb(R17_tos, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2998
      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  2999
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3000
      __ bind(LisVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3001
      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3002
      __ lbzx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3003
      __ twi_0(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3004
      __ extsb(R17_tos, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3005
      __ isync();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3006
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3007
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3008
    case Bytecodes::_fast_cgetfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3009
    {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3010
      __ lhzx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3011
      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3012
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3013
      __ bind(LisVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3014
      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3015
      __ lhzx(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3016
      __ twi_0(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3017
      __ isync();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3018
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3019
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3020
    case Bytecodes::_fast_sgetfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3021
    {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3022
      __ lhax(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3023
      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3024
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3025
      __ bind(LisVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3026
      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3027
      __ lhax(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3028
      __ twi_0(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3029
      __ isync();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3030
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3031
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3032
    case Bytecodes::_fast_fgetfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3033
    {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3034
      __ lfsx(F15_ftos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3035
      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3036
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3037
      __ bind(LisVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3038
      Label Ldummy;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3039
      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3040
      __ lfsx(F15_ftos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3041
      __ fcmpu(CCR0, F15_ftos, F15_ftos); // Acquire by cmp-br-isync.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3042
      __ bne_predict_not_taken(CCR0, Ldummy);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3043
      __ bind(Ldummy);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3044
      __ isync();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3045
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3046
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3047
    case Bytecodes::_fast_dgetfield:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3048
    {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3049
      __ lfdx(F15_ftos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3050
      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3051
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3052
      __ bind(LisVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3053
      Label Ldummy;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3054
      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3055
      __ lfdx(F15_ftos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3056
      __ fcmpu(CCR0, F15_ftos, F15_ftos); // Acquire by cmp-br-isync.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3057
      __ bne_predict_not_taken(CCR0, Ldummy);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3058
      __ bind(Ldummy);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3059
      __ isync();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3060
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3061
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3062
    default: ShouldNotReachHere();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3063
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3064
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3065
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3066
void TemplateTable::fast_xaccess(TosState state) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3067
  transition(vtos, state);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3068
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3069
  Label LisVolatile;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3070
  ByteSize cp_base_offset = ConstantPoolCache::base_offset();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3071
  const Register Rcache        = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3072
                 Rclass_or_obj = R17_tos,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3073
                 Roffset       = R22_tmp2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3074
                 Rflags        = R23_tmp3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3075
                 Rscratch      = R12_scratch2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3076
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3077
  __ ld(Rclass_or_obj, 0, R18_locals);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3078
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3079
  // Constant pool already resolved. Get the field offset.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3080
  __ get_cache_and_index_at_bcp(Rcache, 2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3081
  load_field_cp_cache_entry(noreg, Rcache, noreg, Roffset, Rflags, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3082
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3083
  // JVMTI support not needed, since we switch back to single bytecode as soon as debugger attaches.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3084
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3085
  // Needed to report exception at the correct bcp.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3086
  __ addi(R14_bcp, R14_bcp, 1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3087
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3088
  // Get the load address.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3089
  __ null_check_throw(Rclass_or_obj, -1, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3090
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3091
  // Get volatile flag.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3092
  __ rldicl_(Rscratch, Rflags, 64-ConstantPoolCacheEntry::is_volatile_shift, 63); // Extract volatile bit.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3093
  __ bne(CCR0, LisVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3094
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3095
  switch(state) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3096
  case atos:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3097
    {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3098
      __ load_heap_oop(R17_tos, (RegisterOrConstant)Roffset, Rclass_or_obj);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3099
      __ verify_oop(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3100
      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()) - 1); // Undo bcp increment.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3101
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3102
      __ bind(LisVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3103
      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3104
      __ load_heap_oop(R17_tos, (RegisterOrConstant)Roffset, Rclass_or_obj);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3105
      __ verify_oop(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3106
      __ twi_0(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3107
      __ isync();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3108
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3109
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3110
  case itos:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3111
    {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3112
      __ lwax(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3113
      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()) - 1); // Undo bcp increment.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3114
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3115
      __ bind(LisVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3116
      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3117
      __ lwax(R17_tos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3118
      __ twi_0(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3119
      __ isync();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3120
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3121
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3122
  case ftos:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3123
    {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3124
      __ lfsx(F15_ftos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3125
      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()) - 1); // Undo bcp increment.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3126
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3127
      __ bind(LisVolatile);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3128
      Label Ldummy;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3129
      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3130
      __ lfsx(F15_ftos, Rclass_or_obj, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3131
      __ fcmpu(CCR0, F15_ftos, F15_ftos); // Acquire by cmp-br-isync.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3132
      __ bne_predict_not_taken(CCR0, Ldummy);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3133
      __ bind(Ldummy);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3134
      __ isync();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3135
      break;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3136
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3137
  default: ShouldNotReachHere();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3138
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3139
  __ addi(R14_bcp, R14_bcp, -1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3140
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3141
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3142
// ============================================================================
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3143
// Calls
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3144
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3145
// Common code for invoke
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3146
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3147
// Input:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3148
//   - byte_no
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3149
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3150
// Output:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3151
//   - Rmethod:        The method to invoke next.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3152
//   - Rret_addr:      The return address to return to.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3153
//   - Rindex:         MethodType (invokehandle) or CallSite obj (invokedynamic)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3154
//   - Rrecv:          Cache for "this" pointer, might be noreg if static call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3155
//   - Rflags:         Method flags from const pool cache.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3156
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3157
//  Kills:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3158
//   - Rscratch1
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3159
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3160
void TemplateTable::prepare_invoke(int byte_no,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3161
                                   Register Rmethod,  // linked method (or i-klass)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3162
                                   Register Rret_addr,// return address
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3163
                                   Register Rindex,   // itable index, MethodType, etc.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3164
                                   Register Rrecv,    // If caller wants to see it.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3165
                                   Register Rflags,   // If caller wants to test it.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3166
                                   Register Rscratch
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3167
                                   ) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3168
  // Determine flags.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3169
  const Bytecodes::Code code = bytecode();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3170
  const bool is_invokeinterface  = code == Bytecodes::_invokeinterface;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3171
  const bool is_invokedynamic    = code == Bytecodes::_invokedynamic;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3172
  const bool is_invokehandle     = code == Bytecodes::_invokehandle;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3173
  const bool is_invokevirtual    = code == Bytecodes::_invokevirtual;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3174
  const bool is_invokespecial    = code == Bytecodes::_invokespecial;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3175
  const bool load_receiver       = (Rrecv != noreg);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3176
  assert(load_receiver == (code != Bytecodes::_invokestatic && code != Bytecodes::_invokedynamic), "");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3177
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3178
  assert_different_registers(Rmethod, Rindex, Rflags, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3179
  assert_different_registers(Rmethod, Rrecv, Rflags, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3180
  assert_different_registers(Rret_addr, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3181
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3182
  load_invoke_cp_cache_entry(byte_no, Rmethod, Rindex, Rflags, is_invokevirtual, false, is_invokedynamic);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3183
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3184
  // Saving of SP done in call_from_interpreter.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3185
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3186
  // Maybe push "appendix" to arguments.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3187
  if (is_invokedynamic || is_invokehandle) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3188
    Label Ldone;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3189
    __ rldicl_(R0, Rflags, 64-ConstantPoolCacheEntry::has_appendix_shift, 63);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3190
    __ beq(CCR0, Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3191
    // Push "appendix" (MethodType, CallSite, etc.).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3192
    // This must be done before we get the receiver,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3193
    // since the parameter_size includes it.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3194
    __ load_resolved_reference_at_index(Rscratch, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3195
    __ verify_oop(Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3196
    __ push_ptr(Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3197
    __ bind(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3198
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3199
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3200
  // Load receiver if needed (after appendix is pushed so parameter size is correct).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3201
  if (load_receiver) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3202
    const Register Rparam_count = Rscratch;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3203
    __ andi(Rparam_count, Rflags, ConstantPoolCacheEntry::parameter_size_mask);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3204
    __ load_receiver(Rparam_count, Rrecv);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3205
    __ verify_oop(Rrecv);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3206
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3207
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3208
  // Get return address.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3209
  {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3210
    Register Rtable_addr = Rscratch;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3211
    Register Rret_type = Rret_addr;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3212
    address table_addr = (address) Interpreter::invoke_return_entry_table_for(code);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3213
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3214
    // Get return type. It's coded into the upper 4 bits of the lower half of the 64 bit value.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3215
    __ rldicl(Rret_type, Rflags, 64-ConstantPoolCacheEntry::tos_state_shift, 64-ConstantPoolCacheEntry::tos_state_bits);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3216
    __ load_dispatch_table(Rtable_addr, (address*)table_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3217
    __ sldi(Rret_type, Rret_type, LogBytesPerWord);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3218
    // Get return address.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3219
    __ ldx(Rret_addr, Rtable_addr, Rret_type);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3220
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3221
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3222
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3223
// Helper for virtual calls. Load target out of vtable and jump off!
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3224
// Kills all passed registers.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3225
void TemplateTable::generate_vtable_call(Register Rrecv_klass, Register Rindex, Register Rret, Register Rtemp) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3226
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3227
  assert_different_registers(Rrecv_klass, Rtemp, Rret);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3228
  const Register Rtarget_method = Rindex;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3229
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3230
  // Get target method & entry point.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3231
  const int base = InstanceKlass::vtable_start_offset() * wordSize;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3232
  // Calc vtable addr scale the vtable index by 8.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3233
  __ sldi(Rindex, Rindex, exact_log2(vtableEntry::size() * wordSize));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3234
  // Load target.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3235
  __ addi(Rrecv_klass, Rrecv_klass, base + vtableEntry::method_offset_in_bytes());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3236
  __ ldx(Rtarget_method, Rindex, Rrecv_klass);
28187
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3237
  // Argument and return type profiling.
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3238
  __ profile_arguments_type(Rtarget_method, Rrecv_klass /* scratch1 */, Rtemp /* scratch2 */, true);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3239
  __ call_from_interpreter(Rtarget_method, Rret, Rrecv_klass /* scratch1 */, Rtemp /* scratch2 */);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3240
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3241
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3242
// Virtual or final call. Final calls are rewritten on the fly to run through "fast_finalcall" next time.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3243
void TemplateTable::invokevirtual(int byte_no) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3244
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3245
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3246
  Register Rtable_addr = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3247
           Rret_type = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3248
           Rret_addr = R5_ARG3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3249
           Rflags = R22_tmp2, // Should survive C call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3250
           Rrecv = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3251
           Rrecv_klass = Rrecv,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3252
           Rvtableindex_or_method = R31, // Should survive C call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3253
           Rnum_params = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3254
           Rnew_bc = R6_ARG4;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3255
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3256
  Label LnotFinal;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3257
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3258
  load_invoke_cp_cache_entry(byte_no, Rvtableindex_or_method, noreg, Rflags, /*virtual*/ true, false, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3259
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3260
  __ testbitdi(CCR0, R0, Rflags, ConstantPoolCacheEntry::is_vfinal_shift);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3261
  __ bfalse(CCR0, LnotFinal);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3262
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3263
  patch_bytecode(Bytecodes::_fast_invokevfinal, Rnew_bc, R12_scratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3264
  invokevfinal_helper(Rvtableindex_or_method, Rflags, R11_scratch1, R12_scratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3265
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3266
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3267
  __ bind(LnotFinal);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3268
  // Load "this" pointer (receiver).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3269
  __ rldicl(Rnum_params, Rflags, 64, 48);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3270
  __ load_receiver(Rnum_params, Rrecv);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3271
  __ verify_oop(Rrecv);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3272
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3273
  // Get return type. It's coded into the upper 4 bits of the lower half of the 64 bit value.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3274
  __ rldicl(Rret_type, Rflags, 64-ConstantPoolCacheEntry::tos_state_shift, 64-ConstantPoolCacheEntry::tos_state_bits);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3275
  __ load_dispatch_table(Rtable_addr, Interpreter::invoke_return_entry_table());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3276
  __ sldi(Rret_type, Rret_type, LogBytesPerWord);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3277
  __ ldx(Rret_addr, Rret_type, Rtable_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3278
  __ null_check_throw(Rrecv, oopDesc::klass_offset_in_bytes(), R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3279
  __ load_klass(Rrecv_klass, Rrecv);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3280
  __ verify_klass_ptr(Rrecv_klass);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3281
  __ profile_virtual_call(Rrecv_klass, R11_scratch1, R12_scratch2, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3282
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3283
  generate_vtable_call(Rrecv_klass, Rvtableindex_or_method, Rret_addr, R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3284
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3285
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3286
void TemplateTable::fast_invokevfinal(int byte_no) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3287
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3288
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3289
  assert(byte_no == f2_byte, "use this argument");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3290
  Register Rflags  = R22_tmp2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3291
           Rmethod = R31;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3292
  load_invoke_cp_cache_entry(byte_no, Rmethod, noreg, Rflags, /*virtual*/ true, /*is_invokevfinal*/ true, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3293
  invokevfinal_helper(Rmethod, Rflags, R11_scratch1, R12_scratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3294
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3295
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3296
void TemplateTable::invokevfinal_helper(Register Rmethod, Register Rflags, Register Rscratch1, Register Rscratch2) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3297
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3298
  assert_different_registers(Rmethod, Rflags, Rscratch1, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3299
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3300
  // Load receiver from stack slot.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3301
  Register Rrecv = Rscratch2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3302
  Register Rnum_params = Rrecv;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3303
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3304
  __ ld(Rnum_params, in_bytes(Method::const_offset()), Rmethod);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3305
  __ lhz(Rnum_params /* number of params */, in_bytes(ConstMethod::size_of_parameters_offset()), Rnum_params);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3306
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3307
  // Get return address.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3308
  Register Rtable_addr = Rscratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3309
           Rret_addr   = Rflags,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3310
           Rret_type   = Rret_addr;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3311
  // Get return type. It's coded into the upper 4 bits of the lower half of the 64 bit value.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3312
  __ rldicl(Rret_type, Rflags, 64-ConstantPoolCacheEntry::tos_state_shift, 64-ConstantPoolCacheEntry::tos_state_bits);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3313
  __ load_dispatch_table(Rtable_addr, Interpreter::invoke_return_entry_table());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3314
  __ sldi(Rret_type, Rret_type, LogBytesPerWord);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3315
  __ ldx(Rret_addr, Rret_type, Rtable_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3316
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3317
  // Load receiver and receiver NULL check.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3318
  __ load_receiver(Rnum_params, Rrecv);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3319
  __ null_check_throw(Rrecv, -1, Rscratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3320
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3321
  __ profile_final_call(Rrecv, Rscratch1);
28187
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3322
  // Argument and return type profiling.
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3323
  __ profile_arguments_type(Rmethod, Rscratch1, Rscratch2, true);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3324
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3325
  // Do the call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3326
  __ call_from_interpreter(Rmethod, Rret_addr, Rscratch1, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3327
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3328
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3329
void TemplateTable::invokespecial(int byte_no) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3330
  assert(byte_no == f1_byte, "use this argument");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3331
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3332
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3333
  Register Rtable_addr = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3334
           Rret_addr   = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3335
           Rflags      = R5_ARG3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3336
           Rreceiver   = R6_ARG4,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3337
           Rmethod     = R31;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3338
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3339
  prepare_invoke(byte_no, Rmethod, Rret_addr, noreg, Rreceiver, Rflags, R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3340
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3341
  // Receiver NULL check.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3342
  __ null_check_throw(Rreceiver, -1, R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3343
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3344
  __ profile_call(R11_scratch1, R12_scratch2);
28187
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3345
  // Argument and return type profiling.
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3346
  __ profile_arguments_type(Rmethod, R11_scratch1, R12_scratch2, false);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3347
  __ call_from_interpreter(Rmethod, Rret_addr, R11_scratch1, R12_scratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3348
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3349
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3350
void TemplateTable::invokestatic(int byte_no) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3351
  assert(byte_no == f1_byte, "use this argument");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3352
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3353
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3354
  Register Rtable_addr = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3355
           Rret_addr   = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3356
           Rflags      = R5_ARG3;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3357
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3358
  prepare_invoke(byte_no, R19_method, Rret_addr, noreg, noreg, Rflags, R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3359
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3360
  __ profile_call(R11_scratch1, R12_scratch2);
28187
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3361
  // Argument and return type profiling.
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3362
  __ profile_arguments_type(R19_method, R11_scratch1, R12_scratch2, false);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3363
  __ call_from_interpreter(R19_method, Rret_addr, R11_scratch1, R12_scratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3364
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3365
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3366
void TemplateTable::invokeinterface_object_method(Register Rrecv_klass,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3367
                                                  Register Rret,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3368
                                                  Register Rflags,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3369
                                                  Register Rindex,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3370
                                                  Register Rtemp1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3371
                                                  Register Rtemp2) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3372
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3373
  assert_different_registers(Rindex, Rret, Rrecv_klass, Rflags, Rtemp1, Rtemp2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3374
  Label LnotFinal;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3375
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3376
  // Check for vfinal.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3377
  __ testbitdi(CCR0, R0, Rflags, ConstantPoolCacheEntry::is_vfinal_shift);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3378
  __ bfalse(CCR0, LnotFinal);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3379
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3380
  Register Rscratch = Rflags; // Rflags is dead now.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3381
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3382
  // Final call case.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3383
  __ profile_final_call(Rtemp1, Rscratch);
28187
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3384
  // Argument and return type profiling.
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3385
  __ profile_arguments_type(Rindex, Rscratch, Rrecv_klass /* scratch */, true);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3386
  // Do the final call - the index (f2) contains the method.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3387
  __ call_from_interpreter(Rindex, Rret, Rscratch, Rrecv_klass /* scratch */);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3388
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3389
  // Non-final callc case.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3390
  __ bind(LnotFinal);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3391
  __ profile_virtual_call(Rrecv_klass, Rtemp1, Rscratch, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3392
  generate_vtable_call(Rrecv_klass, Rindex, Rret, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3393
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3394
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3395
void TemplateTable::invokeinterface(int byte_no) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3396
  assert(byte_no == f1_byte, "use this argument");
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3397
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3398
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3399
  const Register Rscratch1        = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3400
                 Rscratch2        = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3401
                 Rscratch3        = R9_ARG7,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3402
                 Rscratch4        = R10_ARG8,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3403
                 Rtable_addr      = Rscratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3404
                 Rinterface_klass = R5_ARG3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3405
                 Rret_type        = R8_ARG6,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3406
                 Rret_addr        = Rret_type,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3407
                 Rindex           = R6_ARG4,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3408
                 Rreceiver        = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3409
                 Rrecv_klass      = Rreceiver,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3410
                 Rflags           = R7_ARG5;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3411
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3412
  prepare_invoke(byte_no, Rinterface_klass, Rret_addr, Rindex, Rreceiver, Rflags, Rscratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3413
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3414
  // Get receiver klass.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3415
  __ null_check_throw(Rreceiver, oopDesc::klass_offset_in_bytes(), Rscratch3);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3416
  __ load_klass(Rrecv_klass, Rreceiver);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3417
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3418
  // Check corner case object method.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3419
  Label LobjectMethod;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3420
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3421
  __ testbitdi(CCR0, R0, Rflags, ConstantPoolCacheEntry::is_forced_virtual_shift);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3422
  __ btrue(CCR0, LobjectMethod);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3423
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3424
  // Fallthrough: The normal invokeinterface case.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3425
  __ profile_virtual_call(Rrecv_klass, Rscratch1, Rscratch2, false);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3426
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3427
  // Find entry point to call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3428
  Label Lthrow_icc, Lthrow_ame;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3429
  // Result will be returned in Rindex.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3430
  __ mr(Rscratch4, Rrecv_klass);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3431
  __ mr(Rscratch3, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3432
  __ lookup_interface_method(Rrecv_klass, Rinterface_klass, Rindex, Rindex, Rscratch1, Rscratch2, Lthrow_icc);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3433
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3434
  __ cmpdi(CCR0, Rindex, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3435
  __ beq(CCR0, Lthrow_ame);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3436
  // Found entry. Jump off!
28187
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3437
  // Argument and return type profiling.
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3438
  __ profile_arguments_type(Rindex, Rscratch1, Rscratch2, true);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3439
  __ call_from_interpreter(Rindex, Rret_addr, Rscratch1, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3440
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3441
  // Vtable entry was NULL => Throw abstract method error.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3442
  __ bind(Lthrow_ame);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3443
  __ mr(Rrecv_klass, Rscratch4);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3444
  __ mr(Rindex, Rscratch3);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3445
  call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodError));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3446
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3447
  // Interface was not found => Throw incompatible class change error.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3448
  __ bind(Lthrow_icc);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3449
  __ mr(Rrecv_klass, Rscratch4);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3450
  call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_IncompatibleClassChangeError));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3451
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3452
  __ should_not_reach_here();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3453
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3454
  // Special case of invokeinterface called for virtual method of
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3455
  // java.lang.Object. See ConstantPoolCacheEntry::set_method() for details:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3456
  // The invokeinterface was rewritten to a invokevirtual, hence we have
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3457
  // to handle this corner case. This code isn't produced by javac, but could
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3458
  // be produced by another compliant java compiler.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3459
  __ bind(LobjectMethod);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3460
  invokeinterface_object_method(Rrecv_klass, Rret_addr, Rflags, Rindex, Rscratch1, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3461
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3462
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3463
void TemplateTable::invokedynamic(int byte_no) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3464
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3465
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3466
  const Register Rret_addr = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3467
                 Rflags    = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3468
                 Rmethod   = R22_tmp2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3469
                 Rscratch1 = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3470
                 Rscratch2 = R12_scratch2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3471
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3472
  prepare_invoke(byte_no, Rmethod, Rret_addr, Rscratch1, noreg, Rflags, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3473
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3474
  // Profile this call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3475
  __ profile_call(Rscratch1, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3476
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3477
  // Off we go. With the new method handles, we don't jump to a method handle
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3478
  // entry any more. Instead, we pushed an "appendix" in prepare invoke, which happens
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3479
  // to be the callsite object the bootstrap method returned. This is passed to a
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3480
  // "link" method which does the dispatch (Most likely just grabs the MH stored
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3481
  // inside the callsite and does an invokehandle).
28187
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3482
  // Argument and return type profiling.
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3483
  __ profile_arguments_type(Rmethod, Rscratch1, Rscratch2, false);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3484
  __ call_from_interpreter(Rmethod, Rret_addr, Rscratch1 /* scratch1 */, Rscratch2 /* scratch2 */);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3485
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3486
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3487
void TemplateTable::invokehandle(int byte_no) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3488
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3489
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3490
  const Register Rret_addr = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3491
                 Rflags    = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3492
                 Rrecv     = R5_ARG3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3493
                 Rmethod   = R22_tmp2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3494
                 Rscratch1 = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3495
                 Rscratch2 = R12_scratch2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3496
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3497
  prepare_invoke(byte_no, Rmethod, Rret_addr, Rscratch1, Rrecv, Rflags, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3498
  __ verify_method_ptr(Rmethod);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3499
  __ null_check_throw(Rrecv, -1, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3500
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3501
  __ profile_final_call(Rrecv, Rscratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3502
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3503
  // Still no call from handle => We call the method handle interpreter here.
28187
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3504
  // Argument and return type profiling.
fc19df82d6ee 8066964: ppc64: argument and return type profiling, fix problem with popframe
goetz
parents: 27625
diff changeset
  3505
  __ profile_arguments_type(Rmethod, Rscratch1, Rscratch2, true);
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3506
  __ call_from_interpreter(Rmethod, Rret_addr, Rscratch1 /* scratch1 */, Rscratch2 /* scratch2 */);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3507
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3508
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3509
// =============================================================================
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3510
// Allocation
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3511
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3512
// Puts allocated obj ref onto the expression stack.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3513
void TemplateTable::_new() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3514
  transition(vtos, atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3515
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3516
  Label Lslow_case,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3517
        Ldone,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3518
        Linitialize_header,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3519
        Lallocate_shared,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3520
        Linitialize_object;  // Including clearing the fields.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3521
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3522
  const Register RallocatedObject = R17_tos,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3523
                 RinstanceKlass   = R9_ARG7,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3524
                 Rscratch         = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3525
                 Roffset          = R8_ARG6,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3526
                 Rinstance_size   = Roffset,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3527
                 Rcpool           = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3528
                 Rtags            = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3529
                 Rindex           = R5_ARG3;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3530
27625
07829380b8cd 8061308: Remove iCMS
brutisso
parents: 27012
diff changeset
  3531
  const bool allow_shared_alloc = Universe::heap()->supports_inline_contig_alloc();
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3532
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3533
  // --------------------------------------------------------------------------
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3534
  // Check if fast case is possible.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3535
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3536
  // Load pointers to const pool and const pool's tags array.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3537
  __ get_cpool_and_tags(Rcpool, Rtags);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3538
  // Load index of constant pool entry.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3539
  __ get_2_byte_integer_at_bcp(1, Rindex, InterpreterMacroAssembler::Unsigned);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3540
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3541
  if (UseTLAB) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3542
    // Make sure the class we're about to instantiate has been resolved
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3543
    // This is done before loading instanceKlass to be consistent with the order
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3544
    // how Constant Pool is updated (see ConstantPoolCache::klass_at_put).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3545
    __ addi(Rtags, Rtags, Array<u1>::base_offset_in_bytes());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3546
    __ lbzx(Rtags, Rindex, Rtags);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3547
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3548
    __ cmpdi(CCR0, Rtags, JVM_CONSTANT_Class);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3549
    __ bne(CCR0, Lslow_case);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3550
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3551
    // Get instanceKlass (load from Rcpool + sizeof(ConstantPool) + Rindex*BytesPerWord).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3552
    __ sldi(Roffset, Rindex, LogBytesPerWord);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3553
    __ addi(Rscratch, Rcpool, sizeof(ConstantPool));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3554
    __ isync(); // Order load of instance Klass wrt. tags.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3555
    __ ldx(RinstanceKlass, Roffset, Rscratch);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3556
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3557
    // Make sure klass is fully initialized and get instance_size.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3558
    __ lbz(Rscratch, in_bytes(InstanceKlass::init_state_offset()), RinstanceKlass);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3559
    __ lwz(Rinstance_size, in_bytes(Klass::layout_helper_offset()), RinstanceKlass);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3560
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3561
    __ cmpdi(CCR1, Rscratch, InstanceKlass::fully_initialized);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3562
    // Make sure klass does not have has_finalizer, or is abstract, or interface or java/lang/Class.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3563
    __ andi_(R0, Rinstance_size, Klass::_lh_instance_slow_path_bit); // slow path bit equals 0?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3564
28492
57fecf138f7b 8068724: ppc64: update assembler: SPR access, CR logic, HTM
mdoerr
parents: 28187
diff changeset
  3565
    __ crnand(CCR0, Assembler::equal, CCR1, Assembler::equal); // slow path bit set or not fully initialized?
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3566
    __ beq(CCR0, Lslow_case);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3567
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3568
    // --------------------------------------------------------------------------
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3569
    // Fast case:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3570
    // Allocate the instance.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3571
    // 1) Try to allocate in the TLAB.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3572
    // 2) If fail, and the TLAB is not full enough to discard, allocate in the shared Eden.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3573
    // 3) If the above fails (or is not applicable), go to a slow case (creates a new TLAB, etc.).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3574
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3575
    Register RoldTopValue = RallocatedObject; // Object will be allocated here if it fits.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3576
    Register RnewTopValue = R6_ARG4;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3577
    Register RendValue    = R7_ARG5;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3578
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3579
    // Check if we can allocate in the TLAB.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3580
    __ ld(RoldTopValue, in_bytes(JavaThread::tlab_top_offset()), R16_thread);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3581
    __ ld(RendValue,    in_bytes(JavaThread::tlab_end_offset()), R16_thread);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3582
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3583
    __ add(RnewTopValue, Rinstance_size, RoldTopValue);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3584
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3585
    // If there is enough space, we do not CAS and do not clear.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3586
    __ cmpld(CCR0, RnewTopValue, RendValue);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3587
    __ bgt(CCR0, allow_shared_alloc ? Lallocate_shared : Lslow_case);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3588
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3589
    __ std(RnewTopValue, in_bytes(JavaThread::tlab_top_offset()), R16_thread);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3590
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3591
    if (ZeroTLAB) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3592
      // The fields have already been cleared.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3593
      __ b(Linitialize_header);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3594
    } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3595
      // Initialize both the header and fields.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3596
      __ b(Linitialize_object);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3597
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3598
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3599
    // Fall through: TLAB was too small.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3600
    if (allow_shared_alloc) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3601
      Register RtlabWasteLimitValue = R10_ARG8;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3602
      Register RfreeValue = RnewTopValue;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3603
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3604
      __ bind(Lallocate_shared);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3605
      // Check if tlab should be discarded (refill_waste_limit >= free).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3606
      __ ld(RtlabWasteLimitValue, in_bytes(JavaThread::tlab_refill_waste_limit_offset()), R16_thread);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3607
      __ subf(RfreeValue, RoldTopValue, RendValue);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3608
      __ srdi(RfreeValue, RfreeValue, LogHeapWordSize); // in dwords
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3609
      __ cmpld(CCR0, RtlabWasteLimitValue, RfreeValue);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3610
      __ bge(CCR0, Lslow_case);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3611
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3612
      // Increment waste limit to prevent getting stuck on this slow path.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3613
      __ addi(RtlabWasteLimitValue, RtlabWasteLimitValue, (int)ThreadLocalAllocBuffer::refill_waste_limit_increment());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3614
      __ std(RtlabWasteLimitValue, in_bytes(JavaThread::tlab_refill_waste_limit_offset()), R16_thread);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3615
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3616
    // else: No allocation in the shared eden. // fallthru: __ b(Lslow_case);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3617
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3618
  // else: Always go the slow path.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3619
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3620
  // --------------------------------------------------------------------------
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3621
  // slow case
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3622
  __ bind(Lslow_case);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3623
  call_VM(R17_tos, CAST_FROM_FN_PTR(address, InterpreterRuntime::_new), Rcpool, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3624
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3625
  if (UseTLAB) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3626
    __ b(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3627
    // --------------------------------------------------------------------------
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3628
    // Init1: Zero out newly allocated memory.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3629
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3630
    if (!ZeroTLAB || allow_shared_alloc) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3631
      // Clear object fields.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3632
      __ bind(Linitialize_object);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3633
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3634
      // Initialize remaining object fields.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3635
      Register Rbase = Rtags;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3636
      __ addi(Rinstance_size, Rinstance_size, 7 - (int)sizeof(oopDesc));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3637
      __ addi(Rbase, RallocatedObject, sizeof(oopDesc));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3638
      __ srdi(Rinstance_size, Rinstance_size, 3);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3639
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3640
      // Clear out object skipping header. Takes also care of the zero length case.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3641
      __ clear_memory_doubleword(Rbase, Rinstance_size);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3642
      // fallthru: __ b(Linitialize_header);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3643
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3644
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3645
    // --------------------------------------------------------------------------
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3646
    // Init2: Initialize the header: mark, klass
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3647
    __ bind(Linitialize_header);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3648
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3649
    // Init mark.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3650
    if (UseBiasedLocking) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3651
      __ ld(Rscratch, in_bytes(Klass::prototype_header_offset()), RinstanceKlass);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3652
    } else {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3653
      __ load_const_optimized(Rscratch, markOopDesc::prototype(), R0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3654
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3655
    __ std(Rscratch, oopDesc::mark_offset_in_bytes(), RallocatedObject);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3656
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3657
    // Init klass.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3658
    __ store_klass_gap(RallocatedObject);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3659
    __ store_klass(RallocatedObject, RinstanceKlass, Rscratch); // klass (last for cms)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3660
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3661
    // Check and trigger dtrace event.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3662
    {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3663
      SkipIfEqualZero skip_if(_masm, Rscratch, &DTraceAllocProbes);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3664
      __ push(atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3665
      __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_object_alloc));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3666
      __ pop(atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3667
    }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3668
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3669
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3670
  // continue
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3671
  __ bind(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3672
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3673
  // Must prevent reordering of stores for object initialization with stores that publish the new object.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3674
  __ membar(Assembler::StoreStore);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3675
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3676
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3677
void TemplateTable::newarray() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3678
  transition(itos, atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3679
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3680
  __ lbz(R4, 1, R14_bcp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3681
  __ extsw(R5, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3682
  call_VM(R17_tos, CAST_FROM_FN_PTR(address, InterpreterRuntime::newarray), R4, R5 /* size */);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3683
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3684
  // Must prevent reordering of stores for object initialization with stores that publish the new object.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3685
  __ membar(Assembler::StoreStore);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3686
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3687
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3688
void TemplateTable::anewarray() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3689
  transition(itos, atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3690
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3691
  __ get_constant_pool(R4);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3692
  __ get_2_byte_integer_at_bcp(1, R5, InterpreterMacroAssembler::Unsigned);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3693
  __ extsw(R6, R17_tos); // size
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3694
  call_VM(R17_tos, CAST_FROM_FN_PTR(address, InterpreterRuntime::anewarray), R4 /* pool */, R5 /* index */, R6 /* size */);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3695
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3696
  // Must prevent reordering of stores for object initialization with stores that publish the new object.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3697
  __ membar(Assembler::StoreStore);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3698
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3699
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3700
// Allocate a multi dimensional array
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3701
void TemplateTable::multianewarray() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3702
  transition(vtos, atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3703
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3704
  Register Rptr = R31; // Needs to survive C call.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3705
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3706
  // Put ndims * wordSize into frame temp slot
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3707
  __ lbz(Rptr, 3, R14_bcp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3708
  __ sldi(Rptr, Rptr, Interpreter::logStackElementSize);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3709
  // Esp points past last_dim, so set to R4 to first_dim address.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3710
  __ add(R4, Rptr, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3711
  call_VM(R17_tos, CAST_FROM_FN_PTR(address, InterpreterRuntime::multianewarray), R4 /* first_size_address */);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3712
  // Pop all dimensions off the stack.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3713
  __ add(R15_esp, Rptr, R15_esp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3714
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3715
  // Must prevent reordering of stores for object initialization with stores that publish the new object.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3716
  __ membar(Assembler::StoreStore);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3717
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3718
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3719
void TemplateTable::arraylength() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3720
  transition(atos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3721
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3722
  Label LnoException;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3723
  __ verify_oop(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3724
  __ null_check_throw(R17_tos, arrayOopDesc::length_offset_in_bytes(), R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3725
  __ lwa(R17_tos, arrayOopDesc::length_offset_in_bytes(), R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3726
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3727
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3728
// ============================================================================
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3729
// Typechecks
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3730
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3731
void TemplateTable::checkcast() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3732
  transition(atos, atos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3733
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3734
  Label Ldone, Lis_null, Lquicked, Lresolved;
24349
d8f40e5b392d 8042309: Some bugfixes for the ppc64 port.
goetz
parents: 24322
diff changeset
  3735
  Register Roffset         = R6_ARG4,
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3736
           RobjKlass       = R4_ARG2,
24349
d8f40e5b392d 8042309: Some bugfixes for the ppc64 port.
goetz
parents: 24322
diff changeset
  3737
           RspecifiedKlass = R5_ARG3, // Generate_ClassCastException_verbose_handler will read value from this register.
23221
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3738
           Rcpool          = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3739
           Rtags           = R12_scratch2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3740
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3741
  // Null does not pass.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3742
  __ cmpdi(CCR0, R17_tos, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3743
  __ beq(CCR0, Lis_null);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3744
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3745
  // Get constant pool tag to find out if the bytecode has already been "quickened".
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3746
  __ get_cpool_and_tags(Rcpool, Rtags);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3747
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3748
  __ get_2_byte_integer_at_bcp(1, Roffset, InterpreterMacroAssembler::Unsigned);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3749
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3750
  __ addi(Rtags, Rtags, Array<u1>::base_offset_in_bytes());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3751
  __ lbzx(Rtags, Rtags, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3752
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3753
  __ cmpdi(CCR0, Rtags, JVM_CONSTANT_Class);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3754
  __ beq(CCR0, Lquicked);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3755
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3756
  // Call into the VM to "quicken" instanceof.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3757
  __ push_ptr();  // for GC
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3758
  call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3759
  __ get_vm_result_2(RspecifiedKlass);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3760
  __ pop_ptr();   // Restore receiver.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3761
  __ b(Lresolved);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3762
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3763
  // Extract target class from constant pool.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3764
  __ bind(Lquicked);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3765
  __ sldi(Roffset, Roffset, LogBytesPerWord);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3766
  __ addi(Rcpool, Rcpool, sizeof(ConstantPool));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3767
  __ isync(); // Order load of specified Klass wrt. tags.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3768
  __ ldx(RspecifiedKlass, Rcpool, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3769
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3770
  // Do the checkcast.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3771
  __ bind(Lresolved);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3772
  // Get value klass in RobjKlass.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3773
  __ load_klass(RobjKlass, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3774
  // Generate a fast subtype check. Branch to cast_ok if no failure. Return 0 if failure.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3775
  __ gen_subtype_check(RobjKlass, RspecifiedKlass, /*3 temp regs*/ Roffset, Rcpool, Rtags, /*target if subtype*/ Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3776
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3777
  // Not a subtype; so must throw exception
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3778
  // Target class oop is in register R6_ARG4 == RspecifiedKlass by convention.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3779
  __ load_dispatch_table(R11_scratch1, (address*)Interpreter::_throw_ClassCastException_entry);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3780
  __ mtctr(R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3781
  __ bctr();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3782
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3783
  // Profile the null case.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3784
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3785
  __ bind(Lis_null);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3786
  __ profile_null_seen(R11_scratch1, Rtags); // Rtags used as scratch.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3787
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3788
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3789
  __ bind(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3790
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3791
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3792
// Output:
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3793
//   - tos == 0: Obj was null or not an instance of class.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3794
//   - tos == 1: Obj was an instance of class.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3795
void TemplateTable::instanceof() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3796
  transition(atos, itos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3797
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3798
  Label Ldone, Lis_null, Lquicked, Lresolved;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3799
  Register Roffset         = R5_ARG3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3800
           RobjKlass       = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3801
           RspecifiedKlass = R6_ARG4, // Generate_ClassCastException_verbose_handler will expect the value in this register.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3802
           Rcpool          = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3803
           Rtags           = R12_scratch2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3804
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3805
  // Null does not pass.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3806
  __ cmpdi(CCR0, R17_tos, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3807
  __ beq(CCR0, Lis_null);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3808
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3809
  // Get constant pool tag to find out if the bytecode has already been "quickened".
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3810
  __ get_cpool_and_tags(Rcpool, Rtags);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3811
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3812
  __ get_2_byte_integer_at_bcp(1, Roffset, InterpreterMacroAssembler::Unsigned);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3813
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3814
  __ addi(Rtags, Rtags, Array<u1>::base_offset_in_bytes());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3815
  __ lbzx(Rtags, Rtags, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3816
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3817
  __ cmpdi(CCR0, Rtags, JVM_CONSTANT_Class);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3818
  __ beq(CCR0, Lquicked);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3819
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3820
  // Call into the VM to "quicken" instanceof.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3821
  __ push_ptr();  // for GC
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3822
  call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3823
  __ get_vm_result_2(RspecifiedKlass);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3824
  __ pop_ptr();   // Restore receiver.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3825
  __ b(Lresolved);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3826
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3827
  // Extract target class from constant pool.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3828
  __ bind(Lquicked);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3829
  __ sldi(Roffset, Roffset, LogBytesPerWord);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3830
  __ addi(Rcpool, Rcpool, sizeof(ConstantPool));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3831
  __ isync(); // Order load of specified Klass wrt. tags.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3832
  __ ldx(RspecifiedKlass, Rcpool, Roffset);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3833
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3834
  // Do the checkcast.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3835
  __ bind(Lresolved);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3836
  // Get value klass in RobjKlass.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3837
  __ load_klass(RobjKlass, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3838
  // Generate a fast subtype check. Branch to cast_ok if no failure. Return 0 if failure.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3839
  __ li(R17_tos, 1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3840
  __ gen_subtype_check(RobjKlass, RspecifiedKlass, /*3 temp regs*/ Roffset, Rcpool, Rtags, /*target if subtype*/ Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3841
  __ li(R17_tos, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3842
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3843
  if (ProfileInterpreter) {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3844
    __ b(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3845
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3846
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3847
  // Profile the null case.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3848
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3849
  __ bind(Lis_null);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3850
  __ profile_null_seen(Rcpool, Rtags); // Rcpool and Rtags used as scratch.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3851
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3852
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3853
  __ bind(Ldone);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3854
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3855
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3856
// =============================================================================
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3857
// Breakpoints
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3858
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3859
void TemplateTable::_breakpoint() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3860
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3861
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3862
  // Get the unpatched byte code.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3863
  __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::get_original_bytecode_at), R19_method, R14_bcp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3864
  __ mr(R31, R3_RET);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3865
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3866
  // Post the breakpoint event.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3867
  __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::_breakpoint), R19_method, R14_bcp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3868
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3869
  // Complete the execution of original bytecode.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3870
  __ dispatch_Lbyte_code(vtos, R31, Interpreter::normal_table(vtos));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3871
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3872
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3873
// =============================================================================
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3874
// Exceptions
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3875
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3876
void TemplateTable::athrow() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3877
  transition(atos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3878
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3879
  // Exception oop is in tos
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3880
  __ verify_oop(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3881
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3882
  __ null_check_throw(R17_tos, -1, R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3883
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3884
  // Throw exception interpreter entry expects exception oop to be in R3.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3885
  __ mr(R3_RET, R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3886
  __ load_dispatch_table(R11_scratch1, (address*)Interpreter::throw_exception_entry());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3887
  __ mtctr(R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3888
  __ bctr();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3889
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3890
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3891
// =============================================================================
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3892
// Synchronization
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3893
// Searches the basic object lock list on the stack for a free slot
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3894
// and uses it to lock the obect in tos.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3895
//
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3896
// Recursive locking is enabled by exiting the search if the same
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3897
// object is already found in the list. Thus, a new basic lock obj lock
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3898
// is allocated "higher up" in the stack and thus is found first
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3899
// at next monitor exit.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3900
void TemplateTable::monitorenter() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3901
  transition(atos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3902
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3903
  __ verify_oop(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3904
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3905
  Register Rcurrent_monitor  = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3906
           Rcurrent_obj      = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3907
           Robj_to_lock      = R17_tos,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3908
           Rscratch1         = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3909
           Rscratch2         = R4_ARG2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3910
           Rscratch3         = R5_ARG3,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3911
           Rcurrent_obj_addr = R6_ARG4;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3912
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3913
  // ------------------------------------------------------------------------------
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3914
  // Null pointer exception.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3915
  __ null_check_throw(Robj_to_lock, -1, R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3916
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3917
  // Try to acquire a lock on the object.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3918
  // Repeat until succeeded (i.e., until monitorenter returns true).
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3919
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3920
  // ------------------------------------------------------------------------------
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3921
  // Find a free slot in the monitor block.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3922
  Label Lfound, Lexit, Lallocate_new;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3923
  ConditionRegister found_free_slot = CCR0,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3924
                    found_same_obj  = CCR1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3925
                    reached_limit   = CCR6;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3926
  {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3927
    Label Lloop, Lentry;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3928
    Register Rlimit = Rcurrent_monitor;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3929
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3930
    // Set up search loop - start with topmost monitor.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3931
    __ add(Rcurrent_obj_addr, BasicObjectLock::obj_offset_in_bytes(), R26_monitor);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3932
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3933
    __ ld(Rlimit, 0, R1_SP);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3934
    __ addi(Rlimit, Rlimit, - (frame::ijava_state_size + frame::interpreter_frame_monitor_size_in_bytes() - BasicObjectLock::obj_offset_in_bytes())); // Monitor base
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3935
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3936
    // Check if any slot is present => short cut to allocation if not.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3937
    __ cmpld(reached_limit, Rcurrent_obj_addr, Rlimit);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3938
    __ bgt(reached_limit, Lallocate_new);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3939
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3940
    // Pre-load topmost slot.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3941
    __ ld(Rcurrent_obj, 0, Rcurrent_obj_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3942
    __ addi(Rcurrent_obj_addr, Rcurrent_obj_addr, frame::interpreter_frame_monitor_size() * wordSize);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3943
    // The search loop.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3944
    __ bind(Lloop);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3945
    // Found free slot?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3946
    __ cmpdi(found_free_slot, Rcurrent_obj, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3947
    // Is this entry for same obj? If so, stop the search and take the found
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3948
    // free slot or allocate a new one to enable recursive locking.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3949
    __ cmpd(found_same_obj, Rcurrent_obj, Robj_to_lock);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3950
    __ cmpld(reached_limit, Rcurrent_obj_addr, Rlimit);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3951
    __ beq(found_free_slot, Lexit);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3952
    __ beq(found_same_obj, Lallocate_new);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3953
    __ bgt(reached_limit, Lallocate_new);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3954
    // Check if last allocated BasicLockObj reached.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3955
    __ ld(Rcurrent_obj, 0, Rcurrent_obj_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3956
    __ addi(Rcurrent_obj_addr, Rcurrent_obj_addr, frame::interpreter_frame_monitor_size() * wordSize);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3957
    // Next iteration if unchecked BasicObjectLocks exist on the stack.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3958
    __ b(Lloop);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3959
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3960
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3961
  // ------------------------------------------------------------------------------
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3962
  // Check if we found a free slot.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3963
  __ bind(Lexit);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3964
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3965
  __ addi(Rcurrent_monitor, Rcurrent_obj_addr, -(frame::interpreter_frame_monitor_size() * wordSize) - BasicObjectLock::obj_offset_in_bytes());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3966
  __ addi(Rcurrent_obj_addr, Rcurrent_obj_addr, - frame::interpreter_frame_monitor_size() * wordSize);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3967
  __ b(Lfound);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3968
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3969
  // We didn't find a free BasicObjLock => allocate one.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3970
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3971
  __ bind(Lallocate_new);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3972
  __ add_monitor_to_stack(false, Rscratch1, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3973
  __ mr(Rcurrent_monitor, R26_monitor);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3974
  __ addi(Rcurrent_obj_addr, R26_monitor, BasicObjectLock::obj_offset_in_bytes());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3975
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3976
  // ------------------------------------------------------------------------------
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3977
  // We now have a slot to lock.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3978
  __ bind(Lfound);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3979
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3980
  // Increment bcp to point to the next bytecode, so exception handling for async. exceptions work correctly.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3981
  // The object has already been poped from the stack, so the expression stack looks correct.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3982
  __ addi(R14_bcp, R14_bcp, 1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3983
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3984
  __ std(Robj_to_lock, 0, Rcurrent_obj_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3985
  __ lock_object(Rcurrent_monitor, Robj_to_lock);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3986
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3987
  // Check if there's enough space on the stack for the monitors after locking.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3988
  Label Lskip_stack_check;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3989
  // Optimization: If the monitors stack section is less then a std page size (4K) don't run
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3990
  // the stack check. There should be enough shadow pages to fit that in.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3991
  __ ld(Rscratch3, 0, R1_SP);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3992
  __ sub(Rscratch3, Rscratch3, R26_monitor);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3993
  __ cmpdi(CCR0, Rscratch3, 4*K);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3994
  __ blt(CCR0, Lskip_stack_check);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3995
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3996
  DEBUG_ONLY(__ untested("stack overflow check during monitor enter");)
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3997
  __ li(Rscratch1, 0);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3998
  __ generate_stack_overflow_check_with_compare_and_throw(Rscratch1, Rscratch2);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  3999
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4000
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4001
  __ bind(Lskip_stack_check);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4002
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4003
  // The bcp has already been incremented. Just need to dispatch to next instruction.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4004
  __ dispatch_next(vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4005
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4006
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4007
void TemplateTable::monitorexit() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4008
  transition(atos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4009
  __ verify_oop(R17_tos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4010
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4011
  Register Rcurrent_monitor  = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4012
           Rcurrent_obj      = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4013
           Robj_to_lock      = R17_tos,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4014
           Rcurrent_obj_addr = R3_ARG1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4015
           Rlimit            = R4_ARG2;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4016
  Label Lfound, Lillegal_monitor_state;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4017
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4018
  // Check corner case: unbalanced monitorEnter / Exit.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4019
  __ ld(Rlimit, 0, R1_SP);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4020
  __ addi(Rlimit, Rlimit, - (frame::ijava_state_size + frame::interpreter_frame_monitor_size_in_bytes())); // Monitor base
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4021
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4022
  // Null pointer check.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4023
  __ null_check_throw(Robj_to_lock, -1, R11_scratch1);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4024
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4025
  __ cmpld(CCR0, R26_monitor, Rlimit);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4026
  __ bgt(CCR0, Lillegal_monitor_state);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4027
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4028
  // Find the corresponding slot in the monitors stack section.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4029
  {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4030
    Label Lloop;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4031
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4032
    // Start with topmost monitor.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4033
    __ addi(Rcurrent_obj_addr, R26_monitor, BasicObjectLock::obj_offset_in_bytes());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4034
    __ addi(Rlimit, Rlimit, BasicObjectLock::obj_offset_in_bytes());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4035
    __ ld(Rcurrent_obj, 0, Rcurrent_obj_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4036
    __ addi(Rcurrent_obj_addr, Rcurrent_obj_addr, frame::interpreter_frame_monitor_size() * wordSize);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4037
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4038
    __ bind(Lloop);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4039
    // Is this entry for same obj?
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4040
    __ cmpd(CCR0, Rcurrent_obj, Robj_to_lock);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4041
    __ beq(CCR0, Lfound);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4042
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4043
    // Check if last allocated BasicLockObj reached.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4044
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4045
    __ ld(Rcurrent_obj, 0, Rcurrent_obj_addr);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4046
    __ cmpld(CCR0, Rcurrent_obj_addr, Rlimit);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4047
    __ addi(Rcurrent_obj_addr, Rcurrent_obj_addr, frame::interpreter_frame_monitor_size() * wordSize);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4048
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4049
    // Next iteration if unchecked BasicObjectLocks exist on the stack.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4050
    __ ble(CCR0, Lloop);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4051
  }
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4052
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4053
  // Fell through without finding the basic obj lock => throw up!
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4054
  __ bind(Lillegal_monitor_state);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4055
  call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_illegal_monitor_state_exception));
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4056
  __ should_not_reach_here();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4057
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4058
  __ align(32, 12);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4059
  __ bind(Lfound);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4060
  __ addi(Rcurrent_monitor, Rcurrent_obj_addr,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4061
          -(frame::interpreter_frame_monitor_size() * wordSize) - BasicObjectLock::obj_offset_in_bytes());
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4062
  __ unlock_object(Rcurrent_monitor);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4063
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4064
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4065
// ============================================================================
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4066
// Wide bytecodes
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4067
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4068
// Wide instructions. Simply redirects to the wide entry point for that instruction.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4069
void TemplateTable::wide() {
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4070
  transition(vtos, vtos);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4071
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4072
  const Register Rtable = R11_scratch1,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4073
                 Rindex = R12_scratch2,
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4074
                 Rtmp   = R0;
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4075
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4076
  __ lbz(Rindex, 1, R14_bcp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4077
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4078
  __ load_dispatch_table(Rtable, Interpreter::_wentry_point);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4079
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4080
  __ slwi(Rindex, Rindex, LogBytesPerWord);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4081
  __ ldx(Rtmp, Rtable, Rindex);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4082
  __ mtctr(Rtmp);
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4083
  __ bctr();
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4084
  // Note: the bcp increment step is part of the individual wide bytecode implementations.
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4085
}
b70675ece1ce 8036976: PPC64: implement the template interpreter
goetz
parents:
diff changeset
  4086
#endif // !CC_INTERP