Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/asm/sparc/V9FMOVccDecoder.java @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | a61af66fc99e |
| children |
| rev | line source |
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| 0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.asm.sparc; | |
| 26 | |
| 27 import sun.jvm.hotspot.asm.*; | |
| 28 import sun.jvm.hotspot.utilities.Assert; | |
| 29 | |
| 30 class V9FMOVccDecoder extends V9CMoveDecoder implements /* imports */ RTLDataTypes { | |
| 31 private final int opf; | |
| 32 private final int dataType; | |
| 33 | |
| 34 V9FMOVccDecoder(int opf, int dataType) { | |
| 35 this.opf = opf; | |
| 36 this.dataType = dataType; | |
| 37 } | |
| 38 | |
| 39 private static String getFMoveCCName(int conditionCode, int conditionFlag, int dataType) { | |
| 40 StringBuffer buf = new StringBuffer("fmov"); | |
| 41 buf.append(getFloatTypeCode(dataType)); | |
| 42 buf.append(getConditionName(conditionCode, conditionFlag)); | |
| 43 return buf.toString(); | |
| 44 } | |
| 45 | |
| 46 private static int getFMoveConditionFlag(int instruction) { | |
| 47 return (instruction & OPF_CC_MASK) >>> OPF_CC_START_BIT; | |
| 48 } | |
| 49 | |
| 50 Instruction decode(int instruction, SPARCInstructionFactory factory) { | |
| 51 SPARCV9InstructionFactory v9factory = (SPARCV9InstructionFactory) factory; | |
| 52 Instruction instr = null; | |
| 53 int conditionFlag = getFMoveConditionFlag(instruction); | |
| 54 if (conditionFlag == CFLAG_RESERVED1 || conditionFlag == CFLAG_RESERVED2) { | |
| 55 instr = v9factory.newIllegalInstruction(instruction); | |
| 56 } else { | |
| 57 int rdNum = getDestinationRegister(instruction); | |
| 58 int rs1Num = getSourceRegister1(instruction); | |
| 59 SPARCRegister rd = RegisterDecoder.decode(dataType, rdNum); | |
| 60 int conditionCode = getMoveConditionCode(instruction); | |
| 61 SPARCRegister rs = RegisterDecoder.decode(dataType, rs1Num); | |
| 62 String name = getFMoveCCName(conditionCode, conditionFlag, dataType); | |
| 63 instr = v9factory.newV9FMOVccInstruction(name,opf, conditionCode, conditionFlag, | |
| 64 (SPARCFloatRegister)rs, (SPARCFloatRegister)rd); | |
| 65 } | |
| 66 | |
| 67 return instr; | |
| 68 } | |
| 69 } |