Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/asm/x86/SSEMoveDecoder.java @ 3945:8ed53447f690
Merge
author | iveresov |
---|---|
date | Thu, 15 Sep 2011 12:44:09 -0700 |
parents | c18cbe5936b8 |
children |
line wrap: on
line source
/* * Copyright (c) 2003, 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 sun.jvm.hotspot.asm.x86; import sun.jvm.hotspot.asm.*; public class SSEMoveDecoder extends SSEInstructionDecoder { public SSEMoveDecoder(String name, int addrMode1, int operandType1, int addrMode2, int operandType2) { super(name, addrMode1, operandType1, addrMode2, operandType2); } protected Instruction decodeInstruction(byte[] bytesArray, boolean operandSize, boolean addrSize, X86InstructionFactory factory) { Operand op1 = getOperand1(bytesArray, operandSize, addrSize); Operand op2 = getOperand2(bytesArray, operandSize, addrSize); int size = byteIndex - instrStartIndex; if( (op1 instanceof X86Register) && (op2 instanceof ImmediateOrRegister) ) { return factory.newMoveInstruction(name, (X86Register)op1, (ImmediateOrRegister)op2, size, 0); } else if( (op1 instanceof Address) && (op2 instanceof Immediate) ) { return factory.newGeneralInstruction(name, op1, op2, size, 0); } else if( (op1 instanceof Address) && (op2 instanceof X86Register) ) { return factory.newMoveStoreInstruction(name, (Address)op1, (X86Register)op2, 0, size, 0); } else if( (op1 instanceof X86Register) && (op2 instanceof Address) ) { return factory.newMoveLoadInstruction(name, (X86Register)op1, (Address)op2, 0, size, 0); } return null; } }