src/hotspot/cpu/s390/c1_LIR_s390.cpp
author vlivanov
Wed, 24 Jul 2019 10:50:40 +0300
changeset 57574 6a159c6c23cc
parent 47216 71c04702a3d5
permissions -rw-r--r--
8227260: JNI upcalls should bypass class initialization barrier in c2i adapter Reviewed-by: eosterlund, dholmes, mdoerr
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/*
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 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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 * Copyright (c) 2016 SAP SE. 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/register.hpp"
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#include "c1/c1_FrameMap.hpp"
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#include "c1/c1_LIR.hpp"
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FloatRegister LIR_OprDesc::as_float_reg() const {
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  return FrameMap::nr2floatreg(fpu_regnr());
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}
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FloatRegister LIR_OprDesc::as_double_reg() const {
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  return FrameMap::nr2floatreg(fpu_regnrHi());
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}
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// Reg2 unused.
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LIR_Opr LIR_OprFact::double_fpu(int reg1, int reg2) {
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  assert(!as_FloatRegister(reg2)->is_valid(), "Not used on this platform");
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  return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) |
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                             (reg1 << LIR_OprDesc::reg2_shift) |
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                             LIR_OprDesc::double_type          |
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                             LIR_OprDesc::fpu_register         |
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                             LIR_OprDesc::double_size);
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}
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#ifndef PRODUCT
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void LIR_Address::verify() const {
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  assert(base()->is_cpu_register(), "wrong base operand");
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  assert(index()->is_illegal() || index()->is_double_cpu(), "wrong index operand");
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  assert(base()->type() == T_OBJECT || base()->type() == T_LONG || base()->type() == T_METADATA,
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         "wrong type for addresses");
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}
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#endif // PRODUCT
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