From e487db32bc47aadb69753cffbb6c554a3153dc00 Mon Sep 17 00:00:00 2001 From: Vsevolod Stakhov Date: Thu, 29 Mar 2018 15:48:22 +0100 Subject: [PATCH] [Minor] Now fight with cmake stupidity --- src/libcryptobox/CMakeLists.txt | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/src/libcryptobox/CMakeLists.txt b/src/libcryptobox/CMakeLists.txt index 2f1a3d57cb..3c83f21f9a 100644 --- a/src/libcryptobox/CMakeLists.txt +++ b/src/libcryptobox/CMakeLists.txt @@ -72,13 +72,19 @@ IF("${ARCH}" STREQUAL "x86_64") #endif #include -void cmkcheckweak() __attribute__((weak)); +static void foo(const char* a) __attribute__((__target__(\"avx2\"))); +static void foo(const char* a) +{ + __m256i str = _mm256_loadu_si256((__m256i *)a); + __m256i t = _mm256_loadu_si256((__m256i *)a + 1); + _mm256_add_epi8(str, t); +} int main(int argc, char** argv) { - __m256i str = _mm256_loadu_si256((__m256i *)argv[0]); + foo(argv[0]); }" HAVE_AVX2_C_COMPILER) IF(NOT HAVE_AVX2_C_COMPILER) MESSAGE(STATUS "Your compiler has broken AVX2 support") - UNSET(HAVE_AVX2) + UNSET(HAVE_AVX2 CACHE) ENDIF() ENDIF() SET(ASM_CODE "vpaddq %xmm0, %xmm0, %xmm0") -- 2.47.3