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Diffstat (limited to 'config/c-compiler.m4')
| -rw-r--r-- | config/c-compiler.m4 | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/config/c-compiler.m4 b/config/c-compiler.m4 index 5f3e1d1faf9..da40bd6a647 100644 --- a/config/c-compiler.m4 +++ b/config/c-compiler.m4 @@ -602,6 +602,7 @@ AC_CACHE_CHECK([for _mm512_clmulepi64_epi128], [Ac_cachevar], { __m128i z; + x = _mm512_xor_si512(_mm512_zextsi128_si512(_mm_cvtsi32_si128(0)), x); y = _mm512_clmulepi64_epi128(x, y, 0); z = _mm_ternarylogic_epi64( _mm512_castsi512_si128(y), |