| /* |
| * 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 LogicDecoder extends Format3ADecoder { |
| LogicDecoder(int op3, String name, int rtlOperation) { |
| super(op3, name, rtlOperation); |
| } |
| |
| Instruction decodeFormat3AInstruction(int instruction, |
| SPARCRegister rs1, |
| ImmediateOrRegister operand2, |
| SPARCRegister rd, |
| SPARCInstructionFactory factory) { |
| Instruction instr = null; |
| if (op3 == OR && rs1 == SPARCRegisters.G0 && rd != SPARCRegisters.G0) { |
| instr = factory.newMoveInstruction(name, op3, operand2, rd); |
| } else { |
| instr = factory.newLogicInstruction(name, op3, rtlOperation, rs1, operand2, rd); |
| } |
| return instr; |
| } |
| } |