001/*
002 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023
024package com.oracle.graal.hotspot.sparc;
025
026import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*;
027
028import com.oracle.graal.asm.sparc.*;
029import com.oracle.graal.lir.*;
030import com.oracle.graal.lir.asm.*;
031import com.oracle.graal.lir.sparc.*;
032
033public final class SPARCPrefetchOp extends SPARCLIRInstruction {
034    public static final LIRInstructionClass<SPARCPrefetchOp> TYPE = LIRInstructionClass.create(SPARCPrefetchOp.class);
035    public static final SizeEstimate SIZE = SizeEstimate.create(1);
036
037    private final int instr;  // AllocatePrefetchInstr
038    @Alive({COMPOSITE}) protected SPARCAddressValue address;
039
040    public SPARCPrefetchOp(SPARCAddressValue address, int instr) {
041        super(TYPE, SIZE);
042        this.address = address;
043        this.instr = instr;
044    }
045
046    @Override
047    public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
048        assert instr >= 0 && instr < SPARCAssembler.Fcn.values().length : instr;
049        masm.prefetch(address.toAddress(), SPARCAssembler.Fcn.values()[instr]);
050    }
051}