The check_x86asm() checks would force enable these variables on success, bypassing any --disable-* command line option. This is important in the case of AVX512, where the relevant define is used to choose between different values for memory alignment and strides in some allocations.
Signed-off-by: James Almer <jamr...@gmail.com> --- configure | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/configure b/configure index c02dbcc8b2..f7c55c0830 100755 --- a/configure +++ b/configure @@ -5925,10 +5925,10 @@ EOF elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;; esac - check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0" - check_x86asm avx2_external "vextracti128 xmm0, ymm0, 0" - check_x86asm xop_external "vpmacsdd xmm0, xmm1, xmm2, xmm3" - check_x86asm fma4_external "vfmaddps ymm0, ymm1, ymm2, ymm3" + enabled avx512 && check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0" + 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" check_x86asm cpunop "CPU amdnop" fi -- 2.25.0 _______________________________________________ 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".