Fixes use of bultins on clang x86_64-pc-windows-msvc which does not define any __GNUC__. Also on other targets __GNUC__ is defined to 4 by default, so any feature testing based on version is not really valid.
Signed-off-by: Kacper Michajłow <kaspe...@gmail.com> --- libavutil/intmath.h | 12 +++++------- libavutil/x86/intmath.h | 4 ++-- 2 files changed, 7 insertions(+), 9 deletions(-) diff --git a/libavutil/intmath.h b/libavutil/intmath.h index 52e11a8d5f..b177a848c6 100644 --- a/libavutil/intmath.h +++ b/libavutil/intmath.h @@ -35,7 +35,7 @@ #endif #if HAVE_FAST_CLZ -#if AV_GCC_VERSION_AT_LEAST(3,4) +#if AV_GCC_VERSION_AT_LEAST(3,4) || AV_HAS_BUILTIN(__builtin_clz) #ifndef ff_log2 # define ff_log2(x) (31 - __builtin_clz((x)|1)) # ifndef ff_log2_16bit @@ -90,18 +90,16 @@ static av_always_inline av_const int ff_log2_16bit_c(unsigned int v) */ #if HAVE_FAST_CLZ -#if AV_GCC_VERSION_AT_LEAST(3,4) -#ifndef ff_ctz +#if !defined(ff_ctz) && (AV_GCC_VERSION_AT_LEAST(3,4) || AV_HAS_BUILTIN(__builtin_ctz)) #define ff_ctz(v) __builtin_ctz(v) #endif -#ifndef ff_ctzll +#if !defined(ff_ctzll) && (AV_GCC_VERSION_AT_LEAST(3,4) || AV_HAS_BUILTIN(__builtin_ctzll)) #define ff_ctzll(v) __builtin_ctzll(v) #endif -#ifndef ff_clz +#if !defined(ff_clz) && (AV_GCC_VERSION_AT_LEAST(3,4) || AV_HAS_BUILTIN(__builtin_clz)) #define ff_clz(v) __builtin_clz(v) #endif #endif -#endif #ifndef ff_ctz #define ff_ctz ff_ctz_c @@ -154,7 +152,7 @@ static av_always_inline av_const unsigned ff_clz_c(unsigned x) } #endif -#if AV_GCC_VERSION_AT_LEAST(3,4) +#if AV_GCC_VERSION_AT_LEAST(3,4) || AV_HAS_BUILTIN(__builtin_parity) #ifndef av_parity #define av_parity __builtin_parity #endif diff --git a/libavutil/x86/intmath.h b/libavutil/x86/intmath.h index 4893a1f1b4..030ded6b6f 100644 --- a/libavutil/x86/intmath.h +++ b/libavutil/x86/intmath.h @@ -66,7 +66,7 @@ static av_always_inline av_const int ff_ctzll_x86(long long v) #endif /* HAVE_FAST_CLZ */ -#if defined(__GNUC__) +#if defined(__GNUC__) || defined(__clang__) /* Our generic version of av_popcount is faster than GCC's built-in on * CPUs that don't support the popcnt instruction. @@ -81,7 +81,7 @@ static av_always_inline av_const int ff_ctzll_x86(long long v) #if defined(__BMI2__) -#if AV_GCC_VERSION_AT_LEAST(5,1) +#if AV_GCC_VERSION_AT_LEAST(5,1) || AV_HAS_BUILTIN(__builtin_ia32_bzhi_si) #if defined(ASSERT_LEVEL) && ASSERT_LEVEL >= 2 #define av_zero_extend av_zero_extend_bmi2 static av_always_inline av_const unsigned av_zero_extend_bmi2(unsigned a, unsigned p) -- 2.45.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
