AMD64MathStub.java revision 12968:4d8a004e5c6d 
1/*
2 * Copyright (c) 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 org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_COS_STUB;
26import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_EXP_STUB;
27import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_LOG10_STUB;
28import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_LOG_STUB;
29import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_POW_STUB;
30import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_SIN_STUB;
31import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_TAN_STUB;
32
33import org.graalvm.compiler.api.replacements.Snippet;
34import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor;
35import org.graalvm.compiler.hotspot.HotSpotForeignCallLinkage;
36import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
37import org.graalvm.compiler.hotspot.stubs.SnippetStub;
38import org.graalvm.compiler.options.OptionValues;
39import org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode;
40import org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode.BinaryOperation;
41import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode;
42import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation;
43
44/**
45 * Stub called to support {@link Math}.
46 */
47public class AMD64MathStub extends SnippetStub {
48
49    public AMD64MathStub(ForeignCallDescriptor descriptor, OptionValues options, HotSpotProviders providers, HotSpotForeignCallLinkage linkage) {
50        super(snippetName(descriptor), options, providers, linkage);
51    }
52
53    private static String snippetName(ForeignCallDescriptor descriptor) {
54        if (descriptor == ARITHMETIC_LOG_STUB) {
55            return "log";
56        }
57        if (descriptor == ARITHMETIC_LOG10_STUB) {
58            return "log10";
59        }
60        if (descriptor == ARITHMETIC_SIN_STUB) {
61            return "sin";
62        }
63        if (descriptor == ARITHMETIC_COS_STUB) {
64            return "cos";
65        }
66        if (descriptor == ARITHMETIC_TAN_STUB) {
67            return "tan";
68        }
69        if (descriptor == ARITHMETIC_EXP_STUB) {
70            return "exp";
71        }
72        if (descriptor == ARITHMETIC_POW_STUB) {
73            return "pow";
74        }
75        throw new InternalError("Unknown operation " + descriptor);
76    }
77
78    @Snippet
79    private static double log(double value) {
80        return UnaryMathIntrinsicNode.compute(value, UnaryOperation.LOG);
81    }
82
83    @Snippet
84    private static double log10(double value) {
85        return UnaryMathIntrinsicNode.compute(value, UnaryOperation.LOG10);
86    }
87
88    @Snippet
89    private static double sin(double value) {
90        return UnaryMathIntrinsicNode.compute(value, UnaryOperation.SIN);
91    }
92
93    @Snippet
94    private static double cos(double value) {
95        return UnaryMathIntrinsicNode.compute(value, UnaryOperation.COS);
96    }
97
98    @Snippet
99    private static double tan(double value) {
100        return UnaryMathIntrinsicNode.compute(value, UnaryOperation.TAN);
101    }
102
103    @Snippet
104    private static double exp(double value) {
105        return UnaryMathIntrinsicNode.compute(value, UnaryOperation.EXP);
106    }
107
108    @Snippet
109    private static double pow(double value1, double value2) {
110        return BinaryMathIntrinsicNode.compute(value1, value2, BinaryOperation.POW);
111    }
112}
113