d84d71029a
Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com> Reviewed-by: Keith Packard <keithp@keithp.com>
60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/*
|
|
* Copyright (c) 2011 Intel Corporation
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*
|
|
* Authors:
|
|
* Chris Wilson <chris@chris-wilson.co.uk>
|
|
*
|
|
* Copied from sna
|
|
*
|
|
*/
|
|
|
|
#ifndef _GLAMOR_COMPILER_H_
|
|
#define _GLAMOR_COMPILER_H_
|
|
|
|
#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__)
|
|
#define likely(expr) (__builtin_expect (!!(expr), 1))
|
|
#define unlikely(expr) (__builtin_expect (!!(expr), 0))
|
|
#define noinline __attribute__((noinline))
|
|
#define fastcall __attribute__((regparm(3)))
|
|
#define must_check __attribute__((warn_unused_result))
|
|
#define constant __attribute__((const))
|
|
#else
|
|
#define likely(expr) (expr)
|
|
#define unlikely(expr) (expr)
|
|
#define noinline
|
|
#define fastcall
|
|
#define must_check
|
|
#define constant
|
|
#endif
|
|
|
|
#ifdef HAVE_VALGRIND
|
|
#define VG(x) x
|
|
#else
|
|
#define VG(x)
|
|
#endif
|
|
|
|
#define VG_CLEAR(s) VG(memset(&s, 0, sizeof(s)))
|
|
|
|
#define COMPILE_TIME_ASSERT(E) ((void)sizeof(char[1 - 2*!(E)]))
|
|
|
|
#endif /* _SNA_COMPILER_H_ */
|