src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotEpilogueBlockEndOp.java
author dlong
Thu, 14 Nov 2019 12:21:00 -0800
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permissions -rw-r--r--
8233841: Update Graal Reviewed-by: kvn
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/*
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 * Copyright (c) 2012, 2019, Oracle and/or its affiliates. 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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package org.graalvm.compiler.hotspot.amd64;
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import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.ILLEGAL;
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import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
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import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.STACK;
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import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler;
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import org.graalvm.compiler.lir.LIRInstructionClass;
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import org.graalvm.compiler.lir.amd64.AMD64BlockEndOp;
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import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
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import jdk.vm.ci.meta.AllocatableValue;
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import jdk.vm.ci.meta.Value;
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/**
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 * @see AMD64HotSpotEpilogueOp
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 */
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abstract class AMD64HotSpotEpilogueBlockEndOp extends AMD64BlockEndOp implements AMD64HotSpotRestoreRbpOp {
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    protected AMD64HotSpotEpilogueBlockEndOp(LIRInstructionClass<? extends AMD64HotSpotEpilogueBlockEndOp> c) {
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        super(c);
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    }
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    @Use({REG, STACK, ILLEGAL}) protected AllocatableValue savedRbp = Value.ILLEGAL;
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    protected void leaveFrameAndRestoreRbp(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
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        AMD64HotSpotEpilogueOp.leaveFrameAndRestoreRbp(savedRbp, crb, masm);
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    }
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    @Override
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    public void setSavedRbp(AllocatableValue value) {
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        savedRbp = value;
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    }
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}