1 /*
2 * Copyright (c) 2013, 2018, 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
24
25 package org.graalvm.compiler.hotspot.amd64;
26
27 import static org.graalvm.compiler.hotspot.HotSpotBackend.Options.GraalArithmeticStubs;
28 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_COS_STUB;
29 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_EXP_STUB;
30 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_LOG10_STUB;
31 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_LOG_STUB;
32 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_POW_STUB;
33 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_SIN_STUB;
34 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_TAN_STUB;
35
36 import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor;
37 import org.graalvm.compiler.core.common.spi.ForeignCallsProvider;
38 import org.graalvm.compiler.debug.DebugHandlersFactory;
39 import org.graalvm.compiler.graph.Node;
40 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
41 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider;
42 import org.graalvm.compiler.hotspot.meta.DefaultHotSpotLoweringProvider;
43 import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
44 import org.graalvm.compiler.hotspot.meta.HotSpotRegistersProvider;
45 import org.graalvm.compiler.hotspot.nodes.profiling.ProfileNode;
46 import org.graalvm.compiler.hotspot.replacements.profiling.ProbabilisticProfileSnippets;
47 import org.graalvm.compiler.nodes.calc.FloatConvertNode;
48 import org.graalvm.compiler.nodes.spi.LoweringTool;
49 import org.graalvm.compiler.options.OptionValues;
50 import org.graalvm.compiler.replacements.amd64.AMD64ConvertSnippets;
51 import org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode.BinaryOperation;
52 import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation;
53
54 import jdk.vm.ci.code.TargetDescription;
55 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;
56 import jdk.vm.ci.meta.MetaAccessProvider;
57
58 public class AMD64HotSpotLoweringProvider extends DefaultHotSpotLoweringProvider {
59
60 private AMD64ConvertSnippets.Templates convertSnippets;
61 private ProbabilisticProfileSnippets.Templates profileSnippets;
62
63 public AMD64HotSpotLoweringProvider(HotSpotGraalRuntimeProvider runtime, MetaAccessProvider metaAccess, ForeignCallsProvider foreignCalls, HotSpotRegistersProvider registers,
64 HotSpotConstantReflectionProvider constantReflection, TargetDescription target) {
65 super(runtime, metaAccess, foreignCalls, registers, constantReflection, target);
66 }
67
68 @Override
69 public void initialize(OptionValues options, Iterable<DebugHandlersFactory> factories, HotSpotProviders providers, GraalHotSpotVMConfig config) {
70 convertSnippets = new AMD64ConvertSnippets.Templates(options, factories, providers, providers.getSnippetReflection(), providers.getCodeCache().getTarget());
71 profileSnippets = ProfileNode.Options.ProbabilisticProfiling.getValue(options)
72 ? new ProbabilisticProfileSnippets.Templates(options, factories, providers, providers.getCodeCache().getTarget())
73 : null;
74 super.initialize(options, factories, providers, config);
75 }
76
77 @Override
78 public void lower(Node n, LoweringTool tool) {
79 if (n instanceof FloatConvertNode) {
80 convertSnippets.lower((FloatConvertNode) n, tool);
81 } else if (profileSnippets != null && n instanceof ProfileNode) {
82 profileSnippets.lower((ProfileNode) n, tool);
83 } else {
84 super.lower(n, tool);
85 }
86 }
87
88 @Override
89 protected ForeignCallDescriptor toForeignCall(UnaryOperation operation) {
90 if (GraalArithmeticStubs.getValue(runtime.getOptions())) {
91 switch (operation) {
92 case LOG:
93 return ARITHMETIC_LOG_STUB;
94 case LOG10:
95 return ARITHMETIC_LOG10_STUB;
96 case SIN:
97 return ARITHMETIC_SIN_STUB;
98 case COS:
99 return ARITHMETIC_COS_STUB;
100 case TAN:
101 return ARITHMETIC_TAN_STUB;
102 case EXP:
103 return ARITHMETIC_EXP_STUB;
104 }
105 } else if (operation == UnaryOperation.EXP) {
106 return operation.foreignCallDescriptor;
107 }
108 // Lower only using LIRGenerator
109 return null;
110 }
111
112 @Override
113 protected ForeignCallDescriptor toForeignCall(BinaryOperation operation) {
114 if (GraalArithmeticStubs.getValue(runtime.getOptions())) {
115 switch (operation) {
116 case POW:
117 return ARITHMETIC_POW_STUB;
118 }
119 } else if (operation == BinaryOperation.POW) {
120 return operation.foreignCallDescriptor;
121 }
122 // Lower only using LIRGenerator
123 return null;
124 }
125
126 @Override
127 public Integer smallestCompareWidth() {
128 return 8;
129 }
130 }