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| author | Jussi Kivilinna <[email protected]> | 2022-03-29 18:55:41 +0300 |
|---|---|---|
| committer | Jussi Kivilinna <[email protected]> | 2022-03-29 18:55:41 +0300 |
| commit | a5d126c61cc00aa2d63c389a956330067c90cbfd (patch) | |
| tree | aea86f5c48da269799be45bfbaf57fcc8af5b0f4 | |
| parent | 4dc707e336a91ca9ca5a59787b9245a1ca3042c6 (diff) | |
| download | libgcrypt-a5d126c61cc00aa2d63c389a956330067c90cbfd.tar.gz libgcrypt-a5d126c61cc00aa2d63c389a956330067c90cbfd.tar.bz2 libgcrypt-a5d126c61cc00aa2d63c389a956330067c90cbfd.zip | |
configure: fix avx512 check for i386
* configure.ac (gcry_cv_gcc_inline_asm_avx512): Do not use ZMM22
register; Check for broadcast memory source.
--
Signed-off-by: Jussi Kivilinna <[email protected]>
| -rw-r--r-- | configure.ac | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index 46715139..c4fc8ce4 100644 --- a/configure.ac +++ b/configure.ac @@ -1568,9 +1568,9 @@ AC_CACHE_CHECK([whether GCC inline assembler supports AVX512 instructions], [[void a(void) { __asm__("xgetbv; vpopcntq %%zmm7, %%zmm1%{%%k1%}%{z%};\n\t":::"cc"); __asm__("vpexpandb %%zmm3, %%zmm1;\n\t":::"cc"); - __asm__("vpxorq %%xmm22, %%xmm22, %%xmm22;\n\t":::"cc"); - __asm__("vpxorq %%ymm22, %%ymm22, %%ymm22;\n\t":::"cc"); - __asm__("vpxorq %%zmm22, %%zmm22, %%zmm22;\n\t":::"cc"); + __asm__("vpxorq %%xmm7, %%xmm7, %%xmm7;\n\t":::"cc"); + __asm__("vpxorq %%ymm7, %%ymm7, %%ymm7;\n\t":::"cc"); + __asm__("vpxorq (%%eax)%{1to8%}, %%zmm7, %%zmm7;\n\t":::"cc"); }]], [ a(); ] )], [gcry_cv_gcc_inline_asm_avx512=yes]) fi]) |