diff options
Diffstat (limited to 'c/enc/fast_log.h')
-rw-r--r-- | c/enc/fast_log.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/c/enc/fast_log.h b/c/enc/fast_log.h index b1268e0..eca58e8 100644 --- a/c/enc/fast_log.h +++ b/c/enc/fast_log.h @@ -19,10 +19,8 @@ extern "C" { #endif static BROTLI_INLINE uint32_t Log2FloorNonZero(size_t n) { - /* TODO: generalize and move to platform.h */ -#if BROTLI_GNUC_HAS_BUILTIN(__builtin_clz, 3, 4, 0) || \ - BROTLI_INTEL_VERSION_CHECK(16, 0, 0) - return 31u ^ (uint32_t)__builtin_clz((uint32_t)n); +#if defined(BROTLI_BSR32) + return BROTLI_BSR32((uint32_t)n); #else uint32_t result = 0; while (n >>= 1) result++; |