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| author | Dale Curtis <dalecurtis@chromium.org> | 2020-05-01 20:20:43 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-05-27 22:05:52 +0300 |
| commit | fda1c74539d7b0680f34ca765c2c0055d8f2bb3e (patch) | |
| tree | c51f11b609be7b4bc60381d763e5cca7a8bb3ea6 /libavutil/attributes.h | |
| parent | 61c1df73d661d043364b1c3112c39ea343c577cb (diff) | |
Use gcc/clang builtins for av_sat_(add|sub)_64_c if available.
Signed-off-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavutil/attributes.h')
| -rw-r--r-- | libavutil/attributes.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavutil/attributes.h b/libavutil/attributes.h index ced108aa2c..ab2a1fdd0e 100644 --- a/libavutil/attributes.h +++ b/libavutil/attributes.h @@ -34,6 +34,12 @@ # define AV_GCC_VERSION_AT_MOST(x,y) 0 #endif +#ifdef __has_builtin +# define AV_HAS_BUILTIN(x) __has_builtin(x) +#else +# define AV_HAS_BUILTIN(x) false +#endif + #ifndef av_always_inline #if AV_GCC_VERSION_AT_LEAST(3,1) # define av_always_inline __attribute__((always_inline)) inline |