1/*
2 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24package org.graalvm.compiler.lir.sparc;
25
26import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.COMPOSITE;
27
28import org.graalvm.compiler.asm.sparc.SPARCAssembler;
29import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
30import org.graalvm.compiler.lir.LIRInstructionClass;
31import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
32
33public final class SPARCPrefetchOp extends SPARCLIRInstruction {
34    public static final LIRInstructionClass<SPARCPrefetchOp> TYPE = LIRInstructionClass.create(SPARCPrefetchOp.class);
35    public static final SizeEstimate SIZE = SizeEstimate.create(1);
36
37    private final int instr;  // AllocatePrefetchInstr
38    @Alive({COMPOSITE}) protected SPARCAddressValue address;
39
40    public SPARCPrefetchOp(SPARCAddressValue address, int instr) {
41        super(TYPE, SIZE);
42        this.address = address;
43        this.instr = instr;
44    }
45
46    @Override
47    public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
48        assert instr >= 0 && instr < SPARCAssembler.Fcn.values().length : instr;
49        masm.prefetch(address.toAddress(), SPARCAssembler.Fcn.values()[instr]);
50    }
51}
52