On Mon, 28 Aug 2017 11:52:52 -0300 James Almer <[email protected]> wrote:
> AV_CPU_FLAG_MMX == AV_CPU_FLAG_ARMV6 == AV_CPU_FLAG_ALTIVEC > AV_CPU_FLAG_3DNOWEXT == AV_CPU_FLAG_NEON > AV_CPU_FLAG_SSE == AV_CPU_FLAG_VFP > > Signed-off-by: James Almer <[email protected]> > --- > libavutil/cpu.c | 13 +++++++++++-- > 1 file changed, 11 insertions(+), 2 deletions(-) > > diff --git a/libavutil/cpu.c b/libavutil/cpu.c > index 5aef6af21..da857cd2c 100644 > --- a/libavutil/cpu.c > +++ b/libavutil/cpu.c > @@ -20,6 +20,7 @@ > #include <stdint.h> > #include <stdatomic.h> > > +#include "attributes.h" > #include "cpu.h" > #include "cpu_internal.h" > #include "config.h" > @@ -184,12 +185,20 @@ int av_cpu_count(void) > > size_t av_cpu_max_align(void) > { > - int flags = av_get_cpu_flags(); > + int av_unused flags = av_get_cpu_flags(); > > +#if ARCH_ARM || ARCH_AARCH64 > + if (flags & AV_CPU_FLAG_NEON) > + return 16; > +#elif ARCH_PPC > + if (flags & AV_CPU_FLAG_ALTIVEC) > + return 16; > +#elif ARCH_X86 > if (flags & AV_CPU_FLAG_AVX) > return 32; > - if (flags & (AV_CPU_FLAG_ALTIVEC | AV_CPU_FLAG_SSE | AV_CPU_FLAG_NEON)) > + if (flags & AV_CPU_FLAG_SSE) > return 16; > +#endif > > return 8; > } Wouldn't it be better to make the values disjoint? _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
