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Merge pull request #2811 from martin-frbg/issue2806 

Make NO_AVX512 option override the AVX512 compile test in CMAKE builds as well
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Martin Kroeker 2020-09-01 17:19:14 +02:00 committed by GitHub
parent 4074770d00
commit 68b1713c30
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 7 additions and 0 deletions
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5
cmake/system.cmake
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@ -110,6 +110,11 @@ if (NO_AVX2)
set(GETARCH_FLAGS "${GETARCH_FLAGS} -DNO_AVX2")
endif ()
if (NO_AVX512)
message(STATUS "Disabling Advanced Vector Extensions 512 (AVX512).")
set(GETARCH_FLAGS "${GETARCH_FLAGS} -DNO_AVX512")
endif ()
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
set(GETARCH_FLAGS "${GETARCH_FLAGS} ${CMAKE_C_FLAGS_DEBUG}")
endif ()

2
cmake/system_check.cmake
View File

@ -109,6 +109,7 @@ else()
endif()
if (X86_64 OR X86)
if (NOT NO_AVX512)
file(WRITE ${PROJECT_BINARY_DIR}/avx512.c "#include <immintrin.h>\n\nint main(void){ __asm__ volatile(\"vbroadcastss -4 * 4(%rsi), %zmm2\"); }")
execute_process(COMMAND ${CMAKE_C_COMPILER} -march=skylake-avx512 -c -v -o ${PROJECT_BINARY_DIR}/avx512.o ${PROJECT_BINARY_DIR}/avx512.c OUTPUT_QUIET ERROR_QUIET RESULT_VARIABLE NO_AVX512)
if (NO_AVX512 EQUAL 1)
@ -116,6 +117,7 @@ set (CCOMMON_OPT "${CCOMMON_OPT} -DNO_AVX512")
endif()
file(REMOVE "avx512.c" "avx512.o")
endif()
endif()
include(CheckIncludeFile)
CHECK_INCLUDE_FILE("stdatomic.h" HAVE_C11)