Mercurial > hg > truffle
view graal/com.oracle.graal.snippets/src/com/oracle/graal/snippets/target/amd64/AMD64MathIntrinsicOp.java @ 5272:a44b5ebb28a0
moved loop safepoint insertion from graph building to just before scheduling, removing the need for safepoint elimination
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 23 Apr 2012 10:27:17 +0200 |
parents | e808627bd16f |
children | 56860d3f9f39 |
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/* * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.snippets.target.amd64; import static com.oracle.max.cri.ci.CiValueUtil.*; import java.util.*; import com.oracle.max.asm.target.amd64.*; import com.oracle.max.cri.ci.*; import com.oracle.graal.graph.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.amd64.*; import com.oracle.graal.lir.asm.*; public class AMD64MathIntrinsicOp extends AMD64LIRInstruction { public enum Opcode { SQRT, SIN, COS, TAN, LOG, LOG10; } public AMD64MathIntrinsicOp(Opcode opcode, CiValue result, CiValue input) { super(opcode, new CiValue[] {result}, null, new CiValue[] {input}, LIRInstruction.NO_OPERANDS, LIRInstruction.NO_OPERANDS); } @Override public void emitCode(TargetMethodAssembler tasm, AMD64MacroAssembler masm) { Opcode opcode = (Opcode) code; CiValue result = output(0); CiValue input = input(0); switch (opcode) { case SQRT: masm.sqrtsd(asDoubleReg(result), asDoubleReg(input)); break; case LOG: masm.flog(asDoubleReg(result), asDoubleReg(input), false); break; case LOG10: masm.flog(asDoubleReg(result), asDoubleReg(input), true); break; case SIN: masm.fsin(asDoubleReg(result), asDoubleReg(input)); break; case COS: masm.fcos(asDoubleReg(result), asDoubleReg(input)); break; case TAN: masm.ftan(asDoubleReg(result), asDoubleReg(input)); break; default: throw GraalInternalError.shouldNotReachHere(); } } @Override protected EnumSet<OperandFlag> flagsFor(OperandMode mode, int index) { if (mode == OperandMode.Input && index == 0) { return EnumSet.of(OperandFlag.Register); } else if (mode == OperandMode.Output && index == 0) { return EnumSet.of(OperandFlag.Register); } throw GraalInternalError.shouldNotReachHere(); } }