Mercurial > hg > truffle
view graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64ByteSwapOp.java @ 16230:5f72421928e0
converted MemoryMap to an interface and provided new MemoryMapNode implementation that is also a Node allowing the map and it's node entries to survive DeadCodeElimination by normal graph reachability rules
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 25 Jun 2014 16:56:45 +0200 |
parents | 1a66453f73db |
children | 8fc336a04d77 |
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/* * Copyright (c) 2012, 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.amd64; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.asm.amd64.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; @Opcode("BSWAP") public class AMD64ByteSwapOp extends AMD64LIRInstruction { @Def({OperandFlag.REG, OperandFlag.HINT}) protected Value result; @Use protected Value input; public AMD64ByteSwapOp(Value result, Value input) { this.result = result; this.input = input; } @Override public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) { AMD64Move.move(crb, masm, result, input); switch (input.getKind()) { case Int: masm.bswapl(ValueUtil.asIntReg(result)); break; case Long: masm.bswapq(ValueUtil.asLongReg(result)); } } }