Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/asm/sparc/V9PopcDecoder.java @ 1917:f42a2f0c16bb
6996563: 6984311 changes forgot to update vmStructs.cpp for new field _operands
Summary: Add missing line to vmStructs. Also fix bug with class dumper.
Reviewed-by: twisti, kvn
author | jrose |
---|---|
date | Fri, 05 Nov 2010 12:18:30 -0700 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2002, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.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; } }