/*
 * Copyright (c) 2013, Oracle and/or its affiliates. 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.
 */
package com.oracle.graal.lir.amd64;

import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*;

import java.util.*;

import com.oracle.graal.api.code.*;
import com.oracle.graal.asm.amd64.*;
import com.oracle.graal.lir.LIRInstruction.Opcode;
import com.oracle.graal.lir.asm.*;

/**
 * Saves registers to stack slots.
 */
@Opcode("SAVE_REGISTER")
public final class AMD64SaveRegistersOp extends AMD64RegisterPreservationOp {

    @Use(REG) protected RegisterValue[] source;
    @Def(STACK) protected StackSlot[] destination;

    public AMD64SaveRegistersOp(RegisterValue[] source, StackSlot[] destination) {
        this.source = source;
        this.destination = destination;
    }

    @Override
    public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler masm) {
        emitCode(tasm, masm, destination, source);
    }

    @Override
    public void doNotPreserve(Set<Register> registers) {
        doNotPreserve(registers, source, destination);
    }

}