1 /* 2 * Copyright (c) 2011, 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.lir.amd64; 26 27 import static jdk.vm.ci.amd64.AMD64.xmm0; 28 import static org.graalvm.compiler.lir.amd64.AMD64HotSpotHelper.registersToValues; 29 30 import org.graalvm.compiler.core.common.LIRKind; 31 import org.graalvm.compiler.lir.LIRInstructionClass; 32 import org.graalvm.compiler.lir.Variable; 33 import org.graalvm.compiler.lir.gen.LIRGeneratorTool; 34 35 import jdk.vm.ci.amd64.AMD64Kind; 36 import jdk.vm.ci.code.Register; 37 import jdk.vm.ci.code.RegisterValue; 38 import jdk.vm.ci.meta.Value; 39 40 /** 41 * AMD64MathIntrinsicUnaryOp assumes that the input value is stored at the xmm0 register, and will 42 * emit the output value into the xmm0 register as well. 43 * {@link #emitLIRWrapper(LIRGeneratorTool, Value)} is provided for emitting necessary mov LIRs 44 * before and after this LIR instruction. 45 */ 46 public abstract class AMD64MathIntrinsicUnaryOp extends AMD64LIRInstruction { 47 48 @Def protected Value output; 49 @Use protected Value input; 50 @Temp protected Value[] temps; 51 52 public AMD64MathIntrinsicUnaryOp(LIRInstructionClass<? extends AMD64MathIntrinsicUnaryOp> type, Register... registers) { 53 super(type); 54 55 input = xmm0.asValue(LIRKind.value(AMD64Kind.DOUBLE)); 56 output = xmm0.asValue(LIRKind.value(AMD64Kind.DOUBLE)); 57 58 temps = registersToValues(registers); 59 } 60 61 public final Variable emitLIRWrapper(LIRGeneratorTool gen, Value value) { 62 LIRKind kind = LIRKind.combine(value); 63 RegisterValue xmm0Value = xmm0.asValue(kind); 64 gen.emitMove(xmm0Value, value); 65 gen.append(this); 66 Variable result = gen.newVariable(kind); 67 gen.emitMove(result, xmm0Value); 68 return result; 69 } 70 71 }