Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/asm/sparc/WriteDecoder.java @ 188:c0ecab83e6f3
Merge
author | never |
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date | Tue, 10 Jun 2008 09:57:24 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2002 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.sparc; import sun.jvm.hotspot.asm.*; class WriteDecoder extends ReadWriteDecoder { WriteDecoder(int specialRegNum) { super(specialRegNum); } Instruction decodeReadWrite(int instruction, SPARCInstructionFactory factory, int rs1Num, int rdNum) { Instruction instr = null; int specialReg = specialRegNum; if (rdNum == 0) specialReg = SPARCSpecialRegisters.Y; return factory.newWriteInstruction(specialReg, rdNum, SPARCRegisters.getRegister(rs1Num), getOperand2(instruction)); } }