On 11/9/2017 8:58 AM, James Darnley wrote:
> ---
> configure | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/configure b/configure
> index f396abda5b..146a87324c 100755
> --- a/configure
> +++ b/configure
> @@ -406,6 +406,7 @@ Optimization options (experts only):
> --disable-fma3 disable FMA3 optimizations
> --disable-fma4 disable FMA4 optimizations
> --disable-avx2 disable AVX2 optimizations
> + --disable-avx512 disable AVX-512 optimizations
> --disable-aesni disable AESNI optimizations
> --disable-armv5te disable armv5te optimizations
> --disable-armv6 disable armv6 optimizations
> @@ -1840,6 +1841,7 @@ ARCH_EXT_LIST_X86_SIMD="
> amd3dnowext
> avx
> avx2
> + avx512
> fma3
> fma4
> mmx
> @@ -2364,6 +2366,7 @@ xop_deps="avx"
> fma3_deps="avx"
> fma4_deps="avx"
> avx2_deps="avx"
> +avx512_deps="avx2"
>
> mmx_external_deps="x86asm"
> mmx_inline_deps="inline_asm x86"
> @@ -5664,6 +5667,7 @@ EOF
> elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;
> esac
>
> + check_x86asm "vmovdqa32 [eax]{k1}{z}, zmm0" || disable
> avx512_external
> check_x86asm "vextracti128 xmm0, ymm0, 0" || disable
> avx2_external
> check_x86asm "vpmacsdd xmm0, xmm1, xmm2, xmm3" || disable
> xop_external
> check_x86asm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable
> fma4_external
> @@ -6794,6 +6798,7 @@ if enabled x86; then
> echo "AESNI enabled ${aesni-no}"
> echo "AVX enabled ${avx-no}"
> echo "AVX2 enabled ${avx2-no}"
> + echo "AVX-512 enabled ${avx512-no}"
> echo "XOP enabled ${xop-no}"
> echo "FMA3 enabled ${fma3-no}"
> echo "FMA4 enabled ${fma4-no}"
>
LGTM
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