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| Rev | Author | Line No. | Line |
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| 2351 | Serge | 1 | /* |
| 2 | * Copyright (c) 2011 Intel Corporation |
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| 3 | * |
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 5 | * copy of this software and associated documentation files (the "Software"), |
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| 6 | * to deal in the Software without restriction, including without limitation |
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 9 | * Software is furnished to do so, subject to the following conditions: |
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| 10 | * |
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| 11 | * The above copyright notice and this permission notice (including the next |
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| 12 | * paragraph) shall be included in all copies or substantial portions of the |
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| 13 | * Software. |
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| 14 | * |
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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| 21 | * SOFTWARE. |
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| 22 | * |
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| 23 | * Authors: |
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| 24 | * Chris Wilson |
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| 25 | * |
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| 26 | */ |
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| 27 | |||
| 28 | #ifndef _SNA_COMPILER_H_ |
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| 29 | #define _SNA_COMPILER_H_ |
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| 30 | |||
| 31 | #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__) |
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| 32 | #define noinline __attribute__((noinline)) |
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| 33 | #define fastcall __attribute__((regparm(3))) |
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| 34 | #define must_check __attribute__((warn_unused_result)) |
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| 35 | #define constant __attribute__((const)) |
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| 36 | #else |
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| 37 | #define likely(expr) (expr) |
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| 38 | #define unlikely(expr) (expr) |
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| 39 | #define noinline |
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| 40 | #define fastcall |
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| 41 | #define must_check |
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| 42 | #define constant |
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| 43 | #endif |
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| 44 | |||
| 45 | #ifdef HAVE_VALGRIND |
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| 46 | #define VG(x) x |
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| 47 | #else |
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| 48 | #define VG(x) |
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| 49 | #endif |
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| 50 | |||
| 51 | #define VG_CLEAR(s) VG(memset(&s, 0, sizeof(s))) |
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| 52 | |||
| 53 | #define COMPILE_TIME_ASSERT(E) ((void)sizeof(char[1 - 2*!(E)])) |
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| 54 | |||
| 55 | #endif /* _SNA_COMPILER_H_ */ |