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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-02-08 22:58:35 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-02-21 12:59:37 +0000 |
| commit | 41260a9bf63aa61f88f188053f1ed4dba3a852d2 (patch) | |
| tree | 59aef62f5130eff6daf83ba75550af7bb78c7289 /src/mesa/drivers/dri/i965/brw_util.h | |
| parent | 8ea6e98c7be6483514769b03ffa6c6f4f7b2e0be (diff) | |
| download | external_mesa3d-41260a9bf63aa61f88f188053f1ed4dba3a852d2.zip external_mesa3d-41260a9bf63aa61f88f188053f1ed4dba3a852d2.tar.gz external_mesa3d-41260a9bf63aa61f88f188053f1ed4dba3a852d2.tar.bz2 | |
i965: Use compiler builtins when available
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_util.h')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_util.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_util.h b/src/mesa/drivers/dri/i965/brw_util.h index 04f3175..940a871 100644 --- a/src/mesa/drivers/dri/i965/brw_util.h +++ b/src/mesa/drivers/dri/i965/brw_util.h @@ -35,7 +35,14 @@ #include "main/mtypes.h" -extern GLuint brw_count_bits(uint64_t val); +#ifdef __GNUC__ +#define brw_count_bits(v) __builtin_popcount(v) +#else +static inline GLuint brw_count_bits(uint64_t v) +{ + return _mesa_popcount(v>>32) + _mesa_popcount(v&0xffffffff); +} +#endif extern GLuint brw_parameter_list_state_flags(struct gl_program_parameter_list *paramList); extern GLuint brw_translate_blend_factor( GLenum factor ); extern GLuint brw_translate_blend_equation( GLenum mode ); |