diff options
author | James Almer <jamrial@gmail.com> | 2017-09-27 23:10:09 -0300 |
---|---|---|
committer | James Almer <jamrial@gmail.com> | 2017-09-27 23:10:09 -0300 |
commit | 3b345d389be2d67017f904caa21713f53a8e8c90 (patch) | |
tree | 44d50b299738c39f3631855bf5a67464ec0d4540 /libavutil/x86 | |
parent | 522f87708653af3badcdc33be983bcc6009de49b (diff) | |
download | ffmpeg-streaming-3b345d389be2d67017f904caa21713f53a8e8c90.zip ffmpeg-streaming-3b345d389be2d67017f904caa21713f53a8e8c90.tar.gz |
avutil/cpu: split flag checks per arch in av_cpu_max_align()
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavutil/x86')
-rw-r--r-- | libavutil/x86/cpu.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libavutil/x86/cpu.c b/libavutil/x86/cpu.c index 3800a11..f33088c 100644 --- a/libavutil/x86/cpu.c +++ b/libavutil/x86/cpu.c @@ -233,3 +233,30 @@ int ff_get_cpu_flags_x86(void) return rval; } + +size_t ff_get_cpu_max_align_x86(void) +{ + int flags = av_get_cpu_flags(); + + if (flags & (AV_CPU_FLAG_AVX2 | + AV_CPU_FLAG_AVX | + AV_CPU_FLAG_XOP | + AV_CPU_FLAG_FMA4 | + AV_CPU_FLAG_FMA3 | + AV_CPU_FLAG_AVXSLOW)) + return 32; + if (flags & (AV_CPU_FLAG_AESNI | + AV_CPU_FLAG_SSE42 | + AV_CPU_FLAG_SSE4 | + AV_CPU_FLAG_SSSE3 | + AV_CPU_FLAG_SSE3 | + AV_CPU_FLAG_SSE2 | + AV_CPU_FLAG_SSE | + AV_CPU_FLAG_ATOM | + AV_CPU_FLAG_SSSE3SLOW | + AV_CPU_FLAG_SSE3SLOW | + AV_CPU_FLAG_SSE2SLOW)) + return 16; + + return 8; +} |