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view agent/src/share/classes/sun/jvm/hotspot/asm/sparc/V9AlternateSpaceDecoder.java @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
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.*; abstract class V9AlternateSpaceDecoder extends MemoryInstructionDecoder implements V9InstructionDecoder { V9AlternateSpaceDecoder(int op3, String name, int dataType) { super(op3, name, dataType); } SPARCRegisterIndirectAddress newRegisterIndirectAddress(SPARCRegister rs1, SPARCRegister rs2) { return new SPARCV9RegisterIndirectAddress(rs1, rs2); } SPARCRegisterIndirectAddress newRegisterIndirectAddress(SPARCRegister rs1, int offset) { return new SPARCV9RegisterIndirectAddress(rs1, offset); } abstract Instruction decodeV9AsiLoadStore(int instruction, SPARCV9RegisterIndirectAddress addr, SPARCRegister rd, SPARCV9InstructionFactory factory); Instruction decodeMemoryInstruction(int instruction, SPARCRegisterIndirectAddress addr, SPARCRegister rd, SPARCInstructionFactory factory) { SPARCV9RegisterIndirectAddress v9addr = (SPARCV9RegisterIndirectAddress) addr; if (isIBitSet(instruction)) { // indirect asi v9addr.setIndirectAsi(true); } else { // immediate asi int asi = (instruction & ASI_MASK) >>> ASI_START_BIT; v9addr.setAddressSpace(asi); } return decodeV9AsiLoadStore(instruction, v9addr, rd, (SPARCV9InstructionFactory) factory); } }