1/*
2 * Copyright (c) 2015, 2017, 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 */
23package org.graalvm.compiler.lir.sparc;
24
25import static jdk.vm.ci.code.ValueUtil.asRegister;
26import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
27
28import org.graalvm.compiler.asm.sparc.SPARCAssembler;
29import org.graalvm.compiler.asm.sparc.SPARCAssembler.CC;
30import org.graalvm.compiler.asm.sparc.SPARCAssembler.Opfs;
31import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
32import org.graalvm.compiler.lir.LIRInstructionClass;
33import org.graalvm.compiler.lir.Opcode;
34import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
35
36import jdk.vm.ci.meta.AllocatableValue;
37
38public class SPARCFloatCompareOp extends SPARCLIRInstruction implements SPARCTailDelayedLIRInstruction {
39    public static final LIRInstructionClass<SPARCFloatCompareOp> TYPE = LIRInstructionClass.create(SPARCFloatCompareOp.class);
40    public static final SizeEstimate SIZE = SizeEstimate.create(1);
41
42    private final CC cc;
43    @Opcode protected final Opfs opf;
44    @Use({REG}) protected AllocatableValue a;
45    @Use({REG}) protected AllocatableValue b;
46
47    public SPARCFloatCompareOp(Opfs opf, CC cc, AllocatableValue a, AllocatableValue b) {
48        super(TYPE, SIZE);
49        this.cc = cc;
50        this.opf = opf;
51        this.a = a;
52        this.b = b;
53    }
54
55    @Override
56    protected void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
57        getDelayedControlTransfer().emitControlTransfer(crb, masm);
58        SPARCAssembler.OpfOp.emitFcmp(masm, opf, cc, asRegister(a), asRegister(b));
59    }
60
61    @Override
62    public void verify() {
63        assert a.getPlatformKind().equals(b.getPlatformKind()) : "a: " + a + " b: " + b;
64        assert opf.equals(Opfs.Fcmpd) || opf.equals(Opfs.Fcmps) : opf;
65    }
66}
67