diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_math.h')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_math.h | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_math.h b/mesalib/src/gallium/auxiliary/util/u_math.h index 19c7343b1..d6e83f962 100644 --- a/mesalib/src/gallium/auxiliary/util/u_math.h +++ b/mesalib/src/gallium/auxiliary/util/u_math.h @@ -40,7 +40,6 @@ #include "pipe/p_compiler.h" -#include "util/u_debug.h" #ifdef __cplusplus @@ -530,6 +529,7 @@ unsigned ffs( unsigned u ) } #elif defined(__MINGW32__) || defined(PIPE_OS_ANDROID) #define ffs __builtin_ffs +#define ffsll __builtin_ffsll #endif #endif /* FFS_DEFINED */ @@ -561,14 +561,10 @@ util_last_bit(unsigned u) static INLINE unsigned util_last_bit_signed(int i) { -#if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 407) && !defined(__INTEL_COMPILER) - return 31 - __builtin_clrsb(i); -#else if (i >= 0) return util_last_bit(i); else return util_last_bit(~(unsigned)i); -#endif } /* Destructively loop over all of the bits in a mask as in: @@ -587,6 +583,15 @@ u_bit_scan(unsigned *mask) return i; } +#ifndef _MSC_VER +static INLINE int +u_bit_scan64(uint64_t *mask) +{ + int i = ffsll(*mask) - 1; + *mask &= ~(1llu << i); + return i; +} +#endif /** * Return float bits. @@ -602,9 +607,9 @@ fui( float f ) static INLINE float uif(uint32_t ui) { - union fi fi; - fi.ui = ui; - return fi.f; + union fi fi; + fi.ui = ui; + return fi.f; } |