hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.amd64/src/org/graalvm/compiler/hotspot/amd64/AMD64HotSpotEpilogueBlockEndOp.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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.
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package org.graalvm.compiler.hotspot.amd64;

import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.STACK;

import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler;
import org.graalvm.compiler.lir.LIRInstructionClass;
import org.graalvm.compiler.lir.amd64.AMD64BlockEndOp;
import org.graalvm.compiler.lir.asm.CompilationResultBuilder;

import jdk.vm.ci.meta.AllocatableValue;

/**
 * @see AMD64HotSpotEpilogueOp
 */
abstract class AMD64HotSpotEpilogueBlockEndOp extends AMD64BlockEndOp implements AMD64HotSpotRestoreRbpOp {

    protected AMD64HotSpotEpilogueBlockEndOp(LIRInstructionClass<? extends AMD64HotSpotEpilogueBlockEndOp> c) {
        super(c);
    }

    @Use({REG, STACK}) protected AllocatableValue savedRbp = PLACEHOLDER;

    protected void leaveFrameAndRestoreRbp(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
        AMD64HotSpotEpilogueOp.leaveFrameAndRestoreRbp(savedRbp, crb, masm);
    }

    @Override
    public void setSavedRbp(AllocatableValue value) {
        savedRbp = value;
    }
}