Mercurial > hg > truffle
view graal/com.oracle.graal.lir.hsail/src/com/oracle/graal/lir/hsail/HSAILCompare.java @ 16767:38d243eaad41
Truffle-DSL: fixed findbugs error.
author | Christian Humer <christian.humer@gmail.com> |
---|---|
date | Mon, 11 Aug 2014 17:44:52 +0200 |
parents | a250a512434d |
children | 35ae3e916582 |
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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.hsail; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.hsail.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.compiler.common.calc.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; /** * Implementation of compare operations. */ public enum HSAILCompare { ICMP(Kind.Int), LCMP(Kind.Long), ACMP(Kind.Object), FCMP(Kind.Float), DCMP(Kind.Double); public final Kind kind; private HSAILCompare(Kind kind) { this.kind = kind; } public static class CompareOp extends HSAILLIRInstruction { @Opcode private final HSAILCompare opcode; @Use({REG, CONST}) protected Value x; @Use({REG, CONST}) protected Value y; @Def({REG}) protected Value z; private final Condition condition; public boolean unordered = false; public CompareOp(HSAILCompare opcode, Condition condition, Value x, Value y, Value z) { this.opcode = opcode; this.condition = condition; this.x = x; this.y = y; this.z = z; } @Override public void emitCode(CompilationResultBuilder crb, HSAILAssembler masm) { emit(crb, masm, opcode, condition, x, y, z, unordered); } @Override protected void verify() { super.verify(); assert (x.getKind() == y.getKind() && ((name().startsWith("I") && x.getKind() == Kind.Int) || (name().startsWith("L") && x.getKind() == Kind.Long) || (name().startsWith("A") && x.getKind() == Kind.Object) || (name().startsWith("F") && x.getKind() == Kind.Float) || (name().startsWith("D") && x.getKind() == Kind.Double))); } } @SuppressWarnings("unused") public static void emit(CompilationResultBuilder crb, HSAILAssembler masm, HSAILCompare opcode, Condition condition, Value x, Value y, Value z, boolean unorderedIsTrue) { masm.emitCompare(opcode.kind, x, y, conditionToString(condition), unorderedIsTrue, isUnsignedCompare(condition)); } public static String conditionToString(Condition condition) { switch (condition) { case EQ: return "eq"; case NE: return "ne"; case LT: case BT: return "lt"; case LE: case BE: return "le"; case GT: case AT: return "gt"; case GE: case AE: return "ge"; default: throw GraalInternalError.shouldNotReachHere(); } } private static boolean isUnsignedCompare(Condition condition) { switch (condition) { case BT: case BE: case AT: case AE: return true; default: return false; } } }