Based on IceLake-AVX512 and newer architecture, a broad range of the subsets of AVX512 could be supported.
Signed-off-by: Wu Jianhua <jianhua...@intel.com> --- configure | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/configure b/configure index 94b30afe74..f282e9997a 100755 --- a/configure +++ b/configure @@ -6056,8 +6056,9 @@ EOF case "$objformat" in elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;; esac - - enabled avx512 && check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0" + + # Only IceLake and newer architectures could enable AVX512 + enabled avx512 && check_x86asm avx512_external "vpdpwssds zmm31{k1}{z}, zmm29, zmm28" enabled avx2 && check_x86asm avx2_external "vextracti128 xmm0, ymm0, 0" enabled xop && check_x86asm xop_external "vpmacsdd xmm0, xmm1, xmm2, xmm3" enabled fma4 && check_x86asm fma4_external "vfmaddps ymm0, ymm1, ymm2, ymm3" -- 2.25.1 _______________________________________________ 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".