1 /* 2 * Copyright (c) 2013, 2015, 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.replacements.amd64; 26 27 import jdk.vm.ci.meta.JavaKind; 28 import jdk.vm.ci.meta.Value; 29 import org.graalvm.compiler.core.common.type.StampFactory; 30 import org.graalvm.compiler.graph.NodeClass; 31 import org.graalvm.compiler.graph.NodeInputList; 32 import org.graalvm.compiler.nodeinfo.InputType; 33 import org.graalvm.compiler.nodeinfo.NodeCycles; 34 import org.graalvm.compiler.nodeinfo.NodeInfo; 35 import org.graalvm.compiler.nodes.FixedWithNextNode; 36 import org.graalvm.compiler.nodes.NamedLocationIdentity; 37 import org.graalvm.compiler.nodes.ValueNode; 38 import org.graalvm.compiler.nodes.ValueNodeUtil; 39 import org.graalvm.compiler.nodes.memory.MemoryAccess; 40 import org.graalvm.compiler.nodes.memory.MemoryNode; 41 import org.graalvm.compiler.nodes.spi.LIRLowerable; 42 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; 43 import jdk.internal.vm.compiler.word.LocationIdentity; 44 import jdk.internal.vm.compiler.word.Pointer; 45 46 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_512; 47 48 @NodeInfo(size = SIZE_512, cycles = NodeCycles.CYCLES_UNKNOWN) 49 public class AMD64ArrayIndexOfNode extends FixedWithNextNode implements LIRLowerable, MemoryAccess { 50 51 public static final NodeClass<AMD64ArrayIndexOfNode> TYPE = NodeClass.create(AMD64ArrayIndexOfNode.class); 52 53 private final JavaKind kind; 54 private final boolean findTwoConsecutive; 55 56 @Input private ValueNode arrayPointer; 57 @Input private ValueNode arrayLength; 58 @Input private NodeInputList<ValueNode> searchValues; 59 60 @OptionalInput(InputType.Memory) private MemoryNode lastLocationAccess; 61 62 public AMD64ArrayIndexOfNode(@ConstantNodeParameter JavaKind kind, @ConstantNodeParameter boolean findTwoConsecutive, 63 ValueNode arrayPointer, ValueNode arrayLength, ValueNode... searchValues) { 64 super(TYPE, StampFactory.forKind(JavaKind.Int)); 65 this.kind = kind; 66 this.findTwoConsecutive = findTwoConsecutive; 67 this.arrayPointer = arrayPointer; 68 this.arrayLength = arrayLength; 69 this.searchValues = new NodeInputList<>(this, searchValues); 70 } 71 72 public AMD64ArrayIndexOfNode(@ConstantNodeParameter JavaKind kind, ValueNode arrayPointer, ValueNode arrayLength, ValueNode... searchValues) { 73 this(kind, false, arrayPointer, arrayLength, searchValues); 74 } 75 76 @Override 77 public LocationIdentity getLocationIdentity() { 78 return NamedLocationIdentity.getArrayLocation(kind); 79 } 80 81 @Override 82 public void generate(NodeLIRBuilderTool gen) { 83 Value[] searchValueOperands = new Value[searchValues.size()]; 84 for (int i = 0; i < searchValues.size(); i++) { 85 searchValueOperands[i] = gen.operand(searchValues.get(i)); 86 } 87 Value result = gen.getLIRGeneratorTool().emitArrayIndexOf(kind, findTwoConsecutive, gen.operand(arrayPointer), gen.operand(arrayLength), searchValueOperands); 88 gen.setResult(this, result); 89 } 90 91 @Override 92 public MemoryNode getLastLocationAccess() { 93 return lastLocationAccess; 94 } 95 96 @Override 97 public void setLastLocationAccess(MemoryNode lla) { 98 updateUsages(ValueNodeUtil.asNode(lastLocationAccess), ValueNodeUtil.asNode(lla)); 99 lastLocationAccess = lla; 100 } 101 102 @NodeIntrinsic 103 public static native int optimizedArrayIndexOf(@ConstantNodeParameter JavaKind kind, @ConstantNodeParameter boolean findTwoConsecutive, 104 Pointer arrayPointer, int arrayLength, int searchValue); 105 106 @NodeIntrinsic 107 public static native int optimizedArrayIndexOf(@ConstantNodeParameter JavaKind kind, Pointer arrayPointer, int arrayLength, char c1); 108 109 @NodeIntrinsic 110 public static native int optimizedArrayIndexOf(@ConstantNodeParameter JavaKind kind, Pointer arrayPointer, int arrayLength, char c1, char c2); 111 112 @NodeIntrinsic 113 public static native int optimizedArrayIndexOf(@ConstantNodeParameter JavaKind kind, Pointer arrayPointer, int arrayLength, char c1, char c2, char c3); 114 115 @NodeIntrinsic 116 public static native int optimizedArrayIndexOf(@ConstantNodeParameter JavaKind kind, Pointer arrayPointer, int arrayLength, char c1, char c2, char c3, char c4); 117 118 @NodeIntrinsic 119 public static native int optimizedArrayIndexOf(@ConstantNodeParameter JavaKind kind, Pointer arrayPointer, int arrayLength, byte c1); 120 121 @NodeIntrinsic 122 public static native int optimizedArrayIndexOf(@ConstantNodeParameter JavaKind kind, Pointer arrayPointer, int arrayLength, byte c1, byte c2); 123 124 @NodeIntrinsic 125 public static native int optimizedArrayIndexOf(@ConstantNodeParameter JavaKind kind, Pointer arrayPointer, int arrayLength, byte c1, byte c2, byte c3); 126 127 @NodeIntrinsic 128 public static native int optimizedArrayIndexOf(@ConstantNodeParameter JavaKind kind, Pointer arrayPointer, int arrayLength, byte c1, byte c2, byte c3, byte c4); 129 }