diff options
author | Mathias Fröhlich <[email protected]> | 2016-08-02 08:46:04 +0200 |
---|---|---|
committer | Mathias Fröhlich <[email protected]> | 2016-08-09 21:20:46 +0200 |
commit | 027cbf00f248bda325521db8f56a3718898da46b (patch) | |
tree | 5e5cce2c268223053e4504f921c5143277f51b3c /src/mesa/main | |
parent | e4cb3af524cb02ec7cd23a64da033cfb7193a3cb (diff) |
util: Move _mesa_fsl/util_last_bit into util/bitscan.h
As requested with the initial creation of util/bitscan.h
now move other bitscan related functions into util.
v2: Split into two patches.
Signed-off-by: Mathias Fröhlich <[email protected]>
Tested-by: Brian Paul <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Diffstat (limited to 'src/mesa/main')
-rw-r--r-- | src/mesa/main/imports.h | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h index 05cc5cad593..21bcb10c006 100644 --- a/src/mesa/main/imports.h +++ b/src/mesa/main/imports.h @@ -339,51 +339,6 @@ extern unsigned int _mesa_bitcount_64(uint64_t n); #endif -/** - * Find the last (most significant) bit set in a word. - * - * Essentially ffs() in the reverse direction. - */ -static inline unsigned int -_mesa_fls(unsigned int n) -{ -#ifdef HAVE___BUILTIN_CLZ - return n == 0 ? 0 : 32 - __builtin_clz(n); -#else - unsigned int v = 1; - - if (n == 0) - return 0; - - while (n >>= 1) - v++; - - return v; -#endif -} - -/** - * Find the last (most significant) bit set in a uint64_t value. - * - * Essentially ffsll() in the reverse direction. - */ -static inline unsigned int -_mesa_flsll(uint64_t n) -{ -#ifdef HAVE___BUILTIN_CLZLL - return n == 0 ? 0 : 64 - __builtin_clzll(n); -#else - unsigned int v = 1; - - if (n == 0) - return 0; - - while (n >>= 1) - v++; - - return v; -#endif -} static inline bool _mesa_half_is_negative(GLhalfARB h) |