From b74aef28165c058cc11c74bc5a7b00ddfce15b31 Mon Sep 17 00:00:00 2001 From: Martin Kroeker Date: Tue, 3 Jul 2018 14:41:44 +0200 Subject: [PATCH] Add -march=skylake-avx512 to AVX512 compile check and suppress its output --- cmake/system_check.cmake | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/cmake/system_check.cmake b/cmake/system_check.cmake index a565fc0d5..d339a755f 100644 --- a/cmake/system_check.cmake +++ b/cmake/system_check.cmake @@ -68,7 +68,7 @@ endif() if (X86_64 OR X86) file(WRITE ${PROJECT_BINARY_DIR}/avx512.tmp "int main(void){ __asm__ volatile(\"vbroadcastss -4 * 4(%rsi), %zmm2\"); }") -execute_process(COMMAND ${CMAKE_C_COMPILER} -v -o ${PROJECT_BINARY_DIR}/avx512.o -x c ${PROJECT_BINARY_DIR}/avx512.tmp RESULT_VARIABLE NO_AVX512) +execute_process(COMMAND ${CMAKE_C_COMPILER} -march=skylake-avx512 -v -o ${PROJECT_BINARY_DIR}/avx512.o -x c ${PROJECT_BINARY_DIR}/avx512.tmp OUTPUT_QUIET ERROR_QUIET RESULT_VARIABLE NO_AVX512) if (NO_AVX512 EQUAL 1) set (CCOMMON_OPT "${CCOMMON_OPT} -DNO_AVX512") endif()