1 /* 2 * Copyright (c) 2013, 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 */ 23 package org.graalvm.compiler.hotspot.amd64; 24 25 import static org.graalvm.compiler.hotspot.HotSpotBackend.Options.GraalArithmeticStubs; 26 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_COS_STUB; 27 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_EXP_STUB; 28 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_LOG10_STUB; 29 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_LOG_STUB; 30 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_SIN_STUB; 31 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_POW_STUB; 32 import static org.graalvm.compiler.hotspot.amd64.AMD64HotSpotForeignCallsProvider.ARITHMETIC_TAN_STUB; 33 34 import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor; 35 import org.graalvm.compiler.core.common.spi.ForeignCallsProvider; 36 import org.graalvm.compiler.graph.Node; 37 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; 38 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider; 39 import org.graalvm.compiler.hotspot.meta.DefaultHotSpotLoweringProvider; 40 import org.graalvm.compiler.hotspot.meta.HotSpotProviders; 41 import org.graalvm.compiler.hotspot.meta.HotSpotRegistersProvider; 42 import org.graalvm.compiler.hotspot.nodes.profiling.ProfileNode; 43 import org.graalvm.compiler.hotspot.replacements.profiling.ProbabilisticProfileSnippets; 44 import org.graalvm.compiler.nodes.calc.FloatConvertNode; 45 import org.graalvm.compiler.nodes.spi.LoweringTool; 46 import org.graalvm.compiler.replacements.amd64.AMD64ConvertSnippets; 47 import org.graalvm.compiler.replacements.nodes.BinaryMathIntrinsicNode.BinaryOperation; 48 import org.graalvm.compiler.replacements.nodes.UnaryMathIntrinsicNode.UnaryOperation; 49 50 import jdk.vm.ci.code.TargetDescription; 51 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider; 52 import jdk.vm.ci.meta.MetaAccessProvider; 53 54 public class AMD64HotSpotLoweringProvider extends DefaultHotSpotLoweringProvider { 55 56 private AMD64ConvertSnippets.Templates convertSnippets; 57 private ProbabilisticProfileSnippets.Templates profileSnippets; 58 59 public AMD64HotSpotLoweringProvider(HotSpotGraalRuntimeProvider runtime, MetaAccessProvider metaAccess, ForeignCallsProvider foreignCalls, HotSpotRegistersProvider registers, 60 HotSpotConstantReflectionProvider constantReflection, TargetDescription target) { 61 super(runtime, metaAccess, foreignCalls, registers, constantReflection, target); 62 } 63 64 @Override 65 public void initialize(HotSpotProviders providers, GraalHotSpotVMConfig config) { 66 convertSnippets = new AMD64ConvertSnippets.Templates(providers, providers.getSnippetReflection(), providers.getCodeCache().getTarget()); 67 profileSnippets = ProfileNode.Options.ProbabilisticProfiling.getValue() ? new ProbabilisticProfileSnippets.Templates(providers, providers.getCodeCache().getTarget()) : null; 68 super.initialize(providers, config); 69 } 70 71 @Override 72 public void lower(Node n, LoweringTool tool) { 73 if (n instanceof FloatConvertNode) { 74 convertSnippets.lower((FloatConvertNode) n, tool); 75 } else if (profileSnippets != null && n instanceof ProfileNode) { 76 profileSnippets.lower((ProfileNode) n, tool); 77 } else { 78 super.lower(n, tool); 79 } 80 } 81 82 @Override 83 protected ForeignCallDescriptor toForeignCall(UnaryOperation operation) { 84 if (GraalArithmeticStubs.getValue()) { 85 switch (operation) { 86 case LOG: 87 return ARITHMETIC_LOG_STUB; 88 case LOG10: 89 return ARITHMETIC_LOG10_STUB; 90 case SIN: 91 return ARITHMETIC_SIN_STUB; 92 case COS: 93 return ARITHMETIC_COS_STUB; 94 case TAN: 95 return ARITHMETIC_TAN_STUB; 96 case EXP: 97 return ARITHMETIC_EXP_STUB; 98 } 99 } else if (operation == UnaryOperation.EXP) { 100 return operation.foreignCallDescriptor; 101 } 102 // Lower only using LIRGenerator 103 return null; 104 } 105 106 @Override 107 protected ForeignCallDescriptor toForeignCall(BinaryOperation operation) { 108 if (GraalArithmeticStubs.getValue()) { 109 switch (operation) { 110 case POW: 111 return ARITHMETIC_POW_STUB; 112 } 113 } else if (operation == BinaryOperation.POW) { 114 return operation.foreignCallDescriptor; 115 } 116 // Lower only using LIRGenerator 117 return null; 118 } 119 120 @Override 121 public boolean supportSubwordCompare(int bits) { 122 return true; 123 } 124 }