Mercurial > hg > graal-compiler
annotate src/os_cpu/solaris_x86/vm/bytes_solaris_x86.inline.hpp @ 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 | f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 1998, 2007, 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 // For Sun Studio - implementation is in solaris_i486.il. | |
| 26 // For gcc - implementation is just below. | |
| 27 extern "C" u2 _raw_swap_u2(u2 x); | |
| 28 extern "C" u4 _raw_swap_u4(u4 x); | |
| 29 #ifdef AMD64 | |
| 30 extern "C" u8 _raw_swap_u8(u8 x); | |
| 31 #else | |
| 32 extern "C" u8 _raw_swap_u8(u4 x, u4 y); | |
| 33 #endif // AMD64 | |
| 34 | |
| 35 // Efficient swapping of data bytes from Java byte | |
| 36 // ordering to native byte ordering and vice versa. | |
| 37 inline u2 Bytes::swap_u2(u2 x) { | |
| 38 return _raw_swap_u2(x); | |
| 39 } | |
| 40 | |
| 41 inline u4 Bytes::swap_u4(u4 x) { | |
| 42 return _raw_swap_u4(x); | |
| 43 } | |
| 44 | |
| 45 inline u8 Bytes::swap_u8(u8 x) { | |
| 46 #ifdef AMD64 | |
| 47 return _raw_swap_u8(x); | |
| 48 #else | |
| 49 return swap_u8_base(*(u4*)&x, *(((u4*)&x)+1)); | |
| 50 #endif // AMD64 | |
| 51 | |
| 52 } | |
| 53 | |
| 54 #ifndef AMD64 | |
| 55 // Helper function for swap_u8 | |
| 56 inline u8 Bytes::swap_u8_base(u4 x, u4 y) { | |
| 57 return _raw_swap_u8(x, y); | |
| 58 } | |
| 59 #endif // !AMD64 | |
| 60 | |
| 61 | |
| 62 #ifdef _GNU_SOURCE | |
| 63 | |
| 64 extern "C" { | |
| 65 #ifdef AMD64 | |
| 66 inline u2 _raw_swap_u2(u2 x) { | |
| 67 register unsigned short int __dest; | |
| 68 __asm__ ("rorw $8, %w0": "=r" (__dest): "0" (x): "cc"); | |
| 69 return __dest; | |
| 70 } | |
| 71 inline u4 _raw_swap_u4(u4 x) { | |
| 72 register unsigned int __dest; | |
| 73 __asm__ ("bswap %0" : "=r" (__dest) : "0" (x)); | |
| 74 return __dest; | |
| 75 } | |
| 76 inline u8 _raw_swap_u8(u8 x) { | |
| 77 register unsigned long __dest; | |
| 78 __asm__ ("bswap %q0" : "=r" (__dest) : "0" (x)); | |
| 79 return __dest; | |
| 80 } | |
| 81 #else | |
| 82 inline u2 _raw_swap_u2(u2 x) { | |
| 83 u2 ret; | |
| 84 __asm__ __volatile__ ( | |
| 85 "movw %0, %%ax;" | |
| 86 "xchg %%al, %%ah;" | |
| 87 "movw %%ax, %0" | |
| 88 :"=r" (ret) // output : register 0 => ret | |
| 89 :"0" (x) // input : x => register 0 | |
| 90 :"ax", "0" // clobbered registers | |
| 91 ); | |
| 92 return ret; | |
| 93 } | |
| 94 | |
| 95 inline u4 _raw_swap_u4(u4 x) { | |
| 96 u4 ret; | |
| 97 __asm__ __volatile__ ( | |
| 98 "bswap %0" | |
| 99 :"=r" (ret) // output : register 0 => ret | |
| 100 :"0" (x) // input : x => register 0 | |
| 101 :"0" // clobbered register | |
| 102 ); | |
| 103 return ret; | |
| 104 } | |
| 105 | |
| 106 inline u8 _raw_swap_u8(u4 x, u4 y) { | |
| 107 return (((u8)_raw_swap_u4(x))<<32) | _raw_swap_u4(y); | |
| 108 } | |
| 109 #endif // AMD64 | |
| 110 } | |
| 111 #endif //_GNU_SOURCE |