--- a/hotspot/src/cpu/ppc/vm/templateInterpreter_ppc.cpp Tue Jan 12 16:01:54 2016 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,173 +0,0 @@
-/*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2015 SAP AG. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "precompiled.hpp"
-#include "interpreter/interpreter.hpp"
-#include "oops/constMethod.hpp"
-#include "oops/method.hpp"
-#include "runtime/frame.inline.hpp"
-#include "utilities/debug.hpp"
-#include "utilities/macros.hpp"
-
-// Size of interpreter code. Increase if too small. Interpreter will
-// fail with a guarantee ("not enough space for interpreter generation");
-// if too small.
-// Run with +PrintInterpreter to get the VM to print out the size.
-// Max size with JVMTI
-int TemplateInterpreter::InterpreterCodeSize = 230*K;
-
-int AbstractInterpreter::BasicType_as_index(BasicType type) {
- int i = 0;
- switch (type) {
- case T_BOOLEAN: i = 0; break;
- case T_CHAR : i = 1; break;
- case T_BYTE : i = 2; break;
- case T_SHORT : i = 3; break;
- case T_INT : i = 4; break;
- case T_LONG : i = 5; break;
- case T_VOID : i = 6; break;
- case T_FLOAT : i = 7; break;
- case T_DOUBLE : i = 8; break;
- case T_OBJECT : i = 9; break;
- case T_ARRAY : i = 9; break;
- default : ShouldNotReachHere();
- }
- assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, "index out of bounds");
- return i;
-}
-
-// These should never be compiled since the interpreter will prefer
-// the compiled version to the intrinsic version.
-bool AbstractInterpreter::can_be_compiled(methodHandle m) {
- return !TemplateInterpreter::math_entry_available(method_kind(m));
-}
-
-// How much stack a method activation needs in stack slots.
-// We must calc this exactly like in generate_fixed_frame.
-// Note: This returns the conservative size assuming maximum alignment.
-int AbstractInterpreter::size_top_interpreter_activation(Method* method) {
- const int max_alignment_size = 2;
- const int abi_scratch = frame::abi_reg_args_size;
- return method->max_locals() + method->max_stack() +
- frame::interpreter_frame_monitor_size() + max_alignment_size + abi_scratch;
-}
-
-// Returns number of stackElementWords needed for the interpreter frame with the
-// given sections.
-// This overestimates the stack by one slot in case of alignments.
-int AbstractInterpreter::size_activation(int max_stack,
- int temps,
- int extra_args,
- int monitors,
- int callee_params,
- int callee_locals,
- bool is_top_frame) {
- // Note: This calculation must exactly parallel the frame setup
- // in TemplateInterpreterGenerator::generate_fixed_frame.
- assert(Interpreter::stackElementWords == 1, "sanity");
- const int max_alignment_space = StackAlignmentInBytes / Interpreter::stackElementSize;
- const int abi_scratch = is_top_frame ? (frame::abi_reg_args_size / Interpreter::stackElementSize) :
- (frame::abi_minframe_size / Interpreter::stackElementSize);
- const int size =
- max_stack +
- (callee_locals - callee_params) +
- monitors * frame::interpreter_frame_monitor_size() +
- max_alignment_space +
- abi_scratch +
- frame::ijava_state_size / Interpreter::stackElementSize;
-
- // Fixed size of an interpreter frame, align to 16-byte.
- return (size & -2);
-}
-
-// Fills a sceletal interpreter frame generated during deoptimizations.
-//
-// Parameters:
-//
-// interpreter_frame != NULL:
-// set up the method, locals, and monitors.
-// The frame interpreter_frame, if not NULL, is guaranteed to be the
-// right size, as determined by a previous call to this method.
-// It is also guaranteed to be walkable even though it is in a skeletal state
-//
-// is_top_frame == true:
-// We're processing the *oldest* interpreter frame!
-//
-// pop_frame_extra_args:
-// If this is != 0 we are returning to a deoptimized frame by popping
-// off the callee frame. We want to re-execute the call that called the
-// callee interpreted, but since the return to the interpreter would pop
-// the arguments off advance the esp by dummy popframe_extra_args slots.
-// Popping off those will establish the stack layout as it was before the call.
-//
-void AbstractInterpreter::layout_activation(Method* method,
- int tempcount,
- int popframe_extra_args,
- int moncount,
- int caller_actual_parameters,
- int callee_param_count,
- int callee_locals_count,
- frame* caller,
- frame* interpreter_frame,
- bool is_top_frame,
- bool is_bottom_frame) {
-
- const int abi_scratch = is_top_frame ? (frame::abi_reg_args_size / Interpreter::stackElementSize) :
- (frame::abi_minframe_size / Interpreter::stackElementSize);
-
- intptr_t* locals_base = (caller->is_interpreted_frame()) ?
- caller->interpreter_frame_esp() + caller_actual_parameters :
- caller->sp() + method->max_locals() - 1 + (frame::abi_minframe_size / Interpreter::stackElementSize) ;
-
- intptr_t* monitor_base = caller->sp() - frame::ijava_state_size / Interpreter::stackElementSize ;
- intptr_t* monitor = monitor_base - (moncount * frame::interpreter_frame_monitor_size());
- intptr_t* esp_base = monitor - 1;
- intptr_t* esp = esp_base - tempcount - popframe_extra_args;
- intptr_t* sp = (intptr_t *) (((intptr_t) (esp_base - callee_locals_count + callee_param_count - method->max_stack()- abi_scratch)) & -StackAlignmentInBytes);
- intptr_t* sender_sp = caller->sp() + (frame::abi_minframe_size - frame::abi_reg_args_size) / Interpreter::stackElementSize;
- intptr_t* top_frame_sp = is_top_frame ? sp : sp + (frame::abi_minframe_size - frame::abi_reg_args_size) / Interpreter::stackElementSize;
-
- interpreter_frame->interpreter_frame_set_method(method);
- interpreter_frame->interpreter_frame_set_locals(locals_base);
- interpreter_frame->interpreter_frame_set_cpcache(method->constants()->cache());
- interpreter_frame->interpreter_frame_set_esp(esp);
- interpreter_frame->interpreter_frame_set_monitor_end((BasicObjectLock *)monitor);
- interpreter_frame->interpreter_frame_set_top_frame_sp(top_frame_sp);
- if (!is_bottom_frame) {
- interpreter_frame->interpreter_frame_set_sender_sp(sender_sp);
- }
-}
-
-// Support abs and sqrt like in compiler.
-// For others we can use a normal (native) entry.
-
-bool TemplateInterpreter::math_entry_available(AbstractInterpreter::MethodKind kind) {
- if (!InlineIntrinsics) return false;
-
- return ((kind==Interpreter::java_lang_math_sqrt && VM_Version::has_fsqrt()) ||
- (kind==Interpreter::java_lang_math_abs));
-}
-
-