Mercurial > hg > graal-compiler
annotate src/os_cpu/windows_x86/vm/bytes_windows_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, 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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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 #pragma warning(disable: 4035) // Disable warning 4035: no return value | |
| 26 | |
| 27 // Efficient swapping of data bytes from Java byte | |
| 28 // ordering to native byte ordering and vice versa. | |
| 29 inline u2 Bytes::swap_u2(u2 x) { | |
| 30 #ifdef AMD64 | |
| 31 address p = (address) &x; | |
| 32 return ( (u2(p[0]) << 8 ) | ( u2(p[1])) ); | |
| 33 #else | |
| 34 __asm { | |
| 35 mov ax, x | |
| 36 xchg al, ah | |
| 37 } | |
| 38 // no return statement needed, result is already in ax | |
| 39 // compiler warning C4035 disabled via warning pragma | |
| 40 #endif // AMD64 | |
| 41 } | |
| 42 | |
| 43 inline u4 Bytes::swap_u4(u4 x) { | |
| 44 #ifdef AMD64 | |
| 45 address p = (address) &x; | |
| 46 return ( (u4(p[0]) << 24) | (u4(p[1]) << 16) | (u4(p[2]) << 8) | u4(p[3])) ; | |
| 47 #else | |
| 48 __asm { | |
| 49 mov eax, x | |
| 50 bswap eax | |
| 51 } | |
| 52 // no return statement needed, result is already in eax | |
| 53 // compiler warning C4035 disabled via warning pragma | |
| 54 #endif // AMD64 | |
| 55 } | |
| 56 | |
| 57 #ifdef AMD64 | |
| 58 inline u8 Bytes::swap_u8(u8 x) { | |
| 59 address p = (address) &x; | |
| 60 return ( (u8(p[0]) << 56) | (u8(p[1]) << 48) | (u8(p[2]) << 40) | (u8(p[3]) << 32) | | |
| 61 (u8(p[4]) << 24) | (u8(p[5]) << 16) | (u8(p[6]) << 8) | u8(p[7])) ; | |
| 62 } | |
| 63 | |
| 64 #else | |
| 65 // Helper function for swap_u8 | |
| 66 inline u8 Bytes::swap_u8_base(u4 x, u4 y) { | |
| 67 __asm { | |
| 68 mov eax, y | |
| 69 mov edx, x | |
| 70 bswap eax | |
| 71 bswap edx | |
| 72 } | |
| 73 // no return statement needed, result is already in edx:eax | |
| 74 // compiler warning C4035 disabled via warning pragma | |
| 75 } | |
| 76 | |
| 77 inline u8 Bytes::swap_u8(u8 x) { | |
| 78 return swap_u8_base(*(u4*)&x, *(((u4*)&x)+1)); | |
| 79 } | |
| 80 #endif // AMD64 | |
| 81 | |
| 82 #pragma warning(default: 4035) // Enable warning 4035: no return value |