diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/auxiliary/util/u_math.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h index 8f62cac664e..3d27a59e8c0 100644 --- a/src/gallium/auxiliary/util/u_math.h +++ b/src/gallium/auxiliary/util/u_math.h @@ -383,14 +383,28 @@ unsigned ffs( unsigned u ) return i; } -#elif defined(__MINGW32__) || defined(PIPE_OS_ANDROID) +#elif defined(__MINGW32__) || defined(PIPE_OS_ANDROID) || \ + defined(HAVE___BUILTIN_FFS) #define ffs __builtin_ffs -#define ffsll __builtin_ffsll #endif #endif /* FFS_DEFINED */ /** + * Find first bit set in long long. Least significant bit is 1. + * Return 0 if no bits set. + */ +#ifndef FFSLL_DEFINED +#define FFSLL_DEFINED 1 + +#if defined(__MINGW32__) || defined(PIPE_OS_ANDROID) || \ + defined(HAVE___BUILTIN_FFSLL) +#define ffsll __builtin_ffsll +#endif + +#endif /* FFSLL_DEFINED */ + +/** * Find last bit set in a word. The least significant bit is 1. * Return 0 if no bits are set. */ |