AMD64HotSpotMathIntrinsicOp.java revision 12651:6ef01bd40ce2 
1/*
2 * Copyright (c) 2011, 2016, 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.hotspot.amd64;
24
25import static jdk.vm.ci.code.ValueUtil.asRegister;
26
27import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler;
28import org.graalvm.compiler.debug.GraalError;
29import org.graalvm.compiler.lir.LIRInstructionClass;
30import org.graalvm.compiler.lir.Opcode;
31import org.graalvm.compiler.lir.amd64.AMD64LIRInstruction;
32import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
33
34import jdk.vm.ci.amd64.AMD64Kind;
35import jdk.vm.ci.meta.Value;
36
37/**
38 * This provides the default implementation expected by some HotSpot based lowerings of Math
39 * intrinsics. Depending on the release different patterns might be used.
40 */
41public final class AMD64HotSpotMathIntrinsicOp extends AMD64LIRInstruction {
42    public static final LIRInstructionClass<AMD64HotSpotMathIntrinsicOp> TYPE = LIRInstructionClass.create(AMD64HotSpotMathIntrinsicOp.class);
43
44    public enum IntrinsicOpcode {
45        SIN,
46        COS,
47        TAN,
48        LOG,
49        LOG10
50    }
51
52    @Opcode private final IntrinsicOpcode opcode;
53    @Def protected Value result;
54    @Use protected Value input;
55
56    public AMD64HotSpotMathIntrinsicOp(IntrinsicOpcode opcode, Value result, Value input) {
57        super(TYPE);
58        this.opcode = opcode;
59        this.result = result;
60        this.input = input;
61    }
62
63    @Override
64    public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
65        switch (opcode) {
66            case LOG:
67                masm.flog(asRegister(result, AMD64Kind.DOUBLE), asRegister(input, AMD64Kind.DOUBLE), false);
68                break;
69            case LOG10:
70                masm.flog(asRegister(result, AMD64Kind.DOUBLE), asRegister(input, AMD64Kind.DOUBLE), true);
71                break;
72            case SIN:
73                masm.fsin(asRegister(result, AMD64Kind.DOUBLE), asRegister(input, AMD64Kind.DOUBLE));
74                break;
75            case COS:
76                masm.fcos(asRegister(result, AMD64Kind.DOUBLE), asRegister(input, AMD64Kind.DOUBLE));
77                break;
78            case TAN:
79                masm.ftan(asRegister(result, AMD64Kind.DOUBLE), asRegister(input, AMD64Kind.DOUBLE));
80                break;
81            default:
82                throw GraalError.shouldNotReachHere();
83        }
84    }
85}
86