Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCFloatRegister.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.Register; | |
| 28 import sun.jvm.hotspot.utilities.Assert; | |
| 29 | |
| 30 public class SPARCFloatRegister extends SPARCRegister { | |
| 31 | |
| 32 public SPARCFloatRegister(int number) { | |
| 33 super(number); | |
| 34 } | |
| 35 | |
| 36 public int getNumber() { | |
| 37 return number; | |
| 38 } | |
| 39 | |
| 40 public static final int SINGLE_PRECISION = 1; | |
| 41 public static final int DOUBLE_PRECISION = 2; | |
| 42 public static final int QUAD_PRECISION = 3; | |
| 43 | |
| 44 public int getNumber(int width) { | |
| 45 switch (width) { | |
| 46 case SINGLE_PRECISION: | |
| 47 Assert.that(number < 32, "bad single-prec fp register"); | |
| 48 return number; | |
| 49 | |
| 50 case DOUBLE_PRECISION: | |
| 51 Assert.that(number < 64 && (number & 1) == 0, "bad double-prec fp register"); | |
| 52 return number & 0x1e | (number & 0x20) >> 5; | |
| 53 | |
| 54 case QUAD_PRECISION: | |
| 55 Assert.that(number < 64 && (number & 3) == 0, "bad quad-prec fp register"); | |
| 56 return number & 0x1c | (number & 0x20) >> 5; | |
| 57 } | |
| 58 throw new RuntimeException("Invalid floating point width supplied"); | |
| 59 } | |
| 60 | |
| 61 private static final int nofRegisters = 63; | |
| 62 public int getNumberOfRegisters() { | |
| 63 return nofRegisters; | |
| 64 } | |
| 65 | |
| 66 public boolean isFloat() { | |
| 67 return true; | |
| 68 } | |
| 69 | |
| 70 public boolean isFramePointer() { | |
| 71 return false; | |
| 72 } | |
| 73 | |
| 74 public boolean isStackPointer() { | |
| 75 return false; | |
| 76 } | |
| 77 | |
| 78 public boolean isV9Only() { | |
| 79 return number > 31; | |
| 80 } | |
| 81 | |
| 82 public boolean isValid() { | |
| 83 return number >= 0 && number < nofRegisters; | |
| 84 } | |
| 85 | |
| 86 public String toString() { | |
| 87 return SPARCFloatRegisters.getRegisterName(number); | |
| 88 } | |
| 89 | |
| 90 } |