Mercurial > hg > graal-compiler
view graal/com.oracle.graal.lir.sparc/src/com/oracle/graal/lir/sparc/SPARCByteSwapOp.java @ 20994:68ff637e95b1
Merge
author | Stefan Anzinger <stefan.anzinger@oracle.com> |
---|---|
date | Thu, 16 Apr 2015 17:09:06 +0200 |
parents | 96ab2078eeaf |
children | 93c50cefb9e8 |
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/* * Copyright (c) 2013, 2015, 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.Asi; 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 final class SPARCByteSwapOp extends SPARCLIRInstruction implements SPARCTailDelayedLIRInstruction { public static final LIRInstructionClass<SPARCByteSwapOp> TYPE = LIRInstructionClass.create(SPARCByteSwapOp.class); @Def({REG, HINT}) protected Value result; @Use({REG}) protected Value input; @Temp({REG}) protected Value tempIndex; @Use({STACK}) protected StackSlotValue tmpSlot; public SPARCByteSwapOp(LIRGeneratorTool tool, Value result, Value input) { super(TYPE); this.result = result; this.input = input; this.tmpSlot = tool.getResult().getFrameMapBuilder().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, SPARCDelayedControlTransfer.DUMMY); 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); } delayedControlTransfer.emitControlTransfer(crb, masm); switch (input.getKind()) { case Int: masm.lduwa(addr.getBase(), addr.getIndex(), asIntReg(result), Asi.ASI_PRIMARY_LITTLE); break; case Long: masm.ldxa(addr.getBase(), addr.getIndex(), asLongReg(result), Asi.ASI_PRIMARY_LITTLE); break; default: throw GraalInternalError.shouldNotReachHere(); } } }