--- old/agent/src/share/classes/sun/jvm/hotspot/asm/sparc/V9PopcDecoder.java Wed Aug 26 18:20:59 2009 +++ /dev/null Wed Aug 26 18:20:59 2009 @@ -1,44 +0,0 @@ -/* - * 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 V9PopcDecoder extends InstructionDecoder - implements V9InstructionDecoder { - Instruction decode(int instruction, SPARCInstructionFactory factory) { - SPARCV9InstructionFactory v9factory = (SPARCV9InstructionFactory) factory; - int rs1Num = getSourceRegister1(instruction); - Instruction instr = null; - // in POPC, rs1 should be zero. see page 205 - A.41 Population Count - if (rs1Num != 0) { - instr = v9factory.newIllegalInstruction(instruction); - } else { - SPARCRegister rd = SPARCRegisters.getRegister(getDestinationRegister(instruction)); - instr = v9factory.newV9PopcInstruction(getOperand2(instruction), rd); - } - return instr; - } -}