Mercurial > hg > graal-compiler
view graal/com.oracle.graal.lir.ptx/src/com/oracle/graal/lir/ptx/PTXCompare.java @ 13728:1541666f4cd7
fix GuardNode canonicalization
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Wed, 22 Jan 2014 14:03:47 +0100 |
parents | 1a66453f73db |
children | 8db6e76cb658 |
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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.lir.ptx; import static com.oracle.graal.asm.ptx.PTXAssembler.*; import static com.oracle.graal.api.code.ValueUtil.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.ptx.*; import com.oracle.graal.graph.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; import com.oracle.graal.nodes.calc.*; public enum PTXCompare { ICMP, LCMP, ACMP, FCMP, DCMP; public static class CompareOp extends PTXLIRInstruction { @Opcode private final PTXCompare opcode; @Use({REG, STACK, CONST}) protected Value x; @Use({REG, STACK, CONST}) protected Value y; // Number of predicate register that would be set by this instruction. protected int predRegNum; private final Condition condition; public CompareOp(PTXCompare opcode, Condition condition, Value x, Value y, int predReg) { this.opcode = opcode; this.condition = condition; this.x = x; this.y = y; predRegNum = predReg; } @Override public void emitCode(CompilationResultBuilder crb, PTXMacroAssembler masm) { emit(masm, opcode, condition, x, y, predRegNum); } @Override protected void verify() { super.verify(); assert (name().startsWith("I") && x.getKind() == Kind.Int && y.getKind().getStackKind() == Kind.Int) || (name().startsWith("L") && x.getKind() == Kind.Long && y.getKind() == Kind.Long) || (name().startsWith("A") && x.getKind() == Kind.Object && y.getKind() == Kind.Object) || (name().startsWith("F") && x.getKind() == Kind.Float && y.getKind() == Kind.Float) || (name().startsWith("D") && x.getKind() == Kind.Double && y.getKind() == Kind.Double); } } public static void emit(PTXAssembler masm, PTXCompare opcode, Condition condition, Value x, Value y, int p) { if (isConstant(x)) { new Setp(condition, x, y, p).emit(masm); } else if (isConstant(y)) { switch (opcode) { case ICMP: new Setp(condition, x, y, p).emit(masm); break; case ACMP: if (((Constant) y).isNull()) { new Setp(condition, x, y, p).emit(masm); } else { throw GraalInternalError.shouldNotReachHere("Only null object constants are allowed in comparisons"); } break; default: throw GraalInternalError.shouldNotReachHere(); } } else { new Setp(condition, x, y, p).emit(masm); } } }