Mercurial > hg > truffle
view graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCByteSwapOp.java @ 16965:c0376739e835
NFI: adopt unittests to new NFI behaviour; add new unittest
author | Matthias Grimmer <grimmer@ssw.jku.at> |
---|---|
date | Wed, 27 Aug 2014 09:13:37 +0200 |
parents | 2b91702c4e69 |
children | 805a26002dc7 |
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/* * Copyright (c) 2013, 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.sparc; import static com.oracle.graal.api.code.ValueUtil.*; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.sparc.*; import com.oracle.graal.asm.sparc.SPARCAssembler.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; import com.oracle.graal.lir.gen.*; @Opcode("BSWAP") public class SPARCByteSwapOp extends SPARCLIRInstruction { @Def({REG, HINT}) protected Value result; @Use({REG}) protected Value input; @Temp({REG}) protected Value tempIndex; @Use({STACK}) protected StackSlot tmpSlot; public SPARCByteSwapOp(LIRGeneratorTool tool, Value result, Value input) { this.result = result; this.input = input; this.tmpSlot = tool.getResult().getFrameMap().allocateSpillSlot(LIRKind.value(Kind.Long)); this.tempIndex = tool.newVariable(LIRKind.value(Kind.Long)); } @Override public void emitCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) { SPARCMove.move(crb, masm, tmpSlot, input); SPARCAddress addr = (SPARCAddress) crb.asAddress(tmpSlot); if (addr.getIndex().equals(Register.None)) { Register tempReg = ValueUtil.asLongReg(tempIndex); new SPARCMacroAssembler.Setx(addr.getDisplacement(), tempReg, false).emit(masm); addr = new SPARCAddress(addr.getBase(), tempReg); } switch (input.getKind()) { case Int: new SPARCAssembler.Lduwa(addr.getBase(), addr.getIndex(), asIntReg(result), Asi.ASI_PRIMARY_LITTLE).emit(masm); break; case Long: new SPARCAssembler.Ldxa(addr.getBase(), addr.getIndex(), asLongReg(result), Asi.ASI_PRIMARY_LITTLE).emit(masm); break; default: throw GraalInternalError.shouldNotReachHere(); } } }