Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/asm/sparc/FloatDecoder.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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c18cbe5936b8
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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c18cbe5936b8
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 | |
| 29 abstract class FloatDecoder extends InstructionDecoder { | |
| 30 final int opf; | |
| 31 final String name; | |
| 32 final int numSources; // 1 or 2; | |
| 33 final int src1Type; // RTLDT_FL_SINGLE, _DOUBLE, _QUAD | |
| 34 final int src2Type; // RTLDT_FL_SINGLE, _DOUBLE, _QUAD | |
| 35 final int resultType; // RTLDT_FL_SINGLE, _DOUBLE, _QUAD | |
| 36 | |
| 37 FloatDecoder(int opf, String name, int src1Type, int src2Type, int resultType) { | |
| 38 this.opf = opf; | |
| 39 this.name = name; | |
| 40 numSources = 2; | |
| 41 this.src1Type = src1Type; | |
| 42 this.src2Type = src2Type; | |
| 43 this.resultType = resultType; | |
| 44 } | |
| 45 | |
| 46 FloatDecoder(int opf, String name, int src2Type, int resultType) { | |
| 47 this.opf = opf; | |
| 48 this.name = name; | |
| 49 numSources = 1; | |
| 50 this.src1Type = RTLOP_UNKNOWN; | |
| 51 this.src2Type = src2Type; | |
| 52 this.resultType = resultType; | |
| 53 } | |
| 54 | |
| 55 abstract Instruction decodeFloatInstruction(int instruction, | |
| 56 SPARCRegister rs1, SPARCRegister rs2, SPARCRegister rd, | |
| 57 SPARCInstructionFactory factory); | |
| 58 | |
| 59 Instruction decode(int instruction, SPARCInstructionFactory factory) { | |
| 60 int rs1Num = getSourceRegister1(instruction); | |
| 61 int rs2Num = getSourceRegister2(instruction); | |
| 62 int rdNum = getDestinationRegister(instruction); | |
| 63 | |
| 64 SPARCRegister rs1 = null; | |
| 65 if (numSources == 2) { | |
| 66 rs1 = RegisterDecoder.decode(src1Type, rs1Num); | |
| 67 if (rs1 == null) { | |
| 68 return factory.newIllegalInstruction(instruction); | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 SPARCRegister rd = RegisterDecoder.decode(resultType, rdNum); | |
| 73 SPARCRegister rs2 = RegisterDecoder.decode(src2Type, rs2Num); | |
| 74 if (rd == null || rs2 == null) { | |
| 75 return factory.newIllegalInstruction(instruction); | |
| 76 } | |
| 77 | |
| 78 return decodeFloatInstruction(instruction, rs1, rs2, rd, factory); | |
| 79 } | |
| 80 } |