diff options
| author | Kacper Michajłow <kasper93@gmail.com> | 2025-03-31 14:02:36 +0200 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2025-06-12 14:17:37 +0300 |
| commit | 43dc443446e48614323bd1f083e90ae11ea66827 (patch) | |
| tree | ae3b68d077fba54486b12b6e5d9ec2e290850456 /libavutil/x86/intmath.h | |
| parent | f019dd69f0f5ecd89add139784cf37148af56bd0 (diff) | |
| download | ffmpeg-43dc443446e48614323bd1f083e90ae11ea66827.tar.gz | |
avutil/intmath: use AV_HAS_BUILTIN to detect builtin availability
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 <kasper93@gmail.com>
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavutil/x86/intmath.h')
| -rw-r--r-- | libavutil/x86/intmath.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavutil/x86/intmath.h b/libavutil/x86/intmath.h index 735945ca95..d8d1f19b24 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) |