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view agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86FPArithmeticInstruction.java @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
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children | c18cbe5936b8 |
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/* * Copyright 2002-2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ package sun.jvm.hotspot.asm.x86; import sun.jvm.hotspot.asm.*; public class X86FPArithmeticInstruction extends X86FPInstruction implements ArithmeticInstruction { final private int operation; //RTL operation final private Operand operand1; final private Operand operand2; final private String description; public X86FPArithmeticInstruction(String name, int operation, Operand op1, Operand op2, int size, int prefixes) { super(name, size, prefixes); this.operation = operation; this.operand1 = op1; this.operand2 = op2; description = initDescription(); } protected String initDescription() { StringBuffer buf = new StringBuffer(); buf.append(getPrefixString()); buf.append(getName()); buf.append(spaces); if (operand1 != null) { buf.append(getOperandAsString(operand1)); } if (operand2 != null) { buf.append(comma); buf.append(getOperandAsString(operand2)); } return buf.toString(); } public String asString(long currentPc, SymbolFinder symFinder) { return description; } public Operand getArithmeticDestination() { return operand1; } public Operand getOperand1() { return operand1; } public Operand getOperand2() { return operand2; } public Operand[] getArithmeticSources() { return (new Operand[] { operand1, operand2}); } public int getOperation() { return operation; } public boolean isArithmetic() { return true; } }