weaselab/conflict-set
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Add USE_SIMD_FALLBACK
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This commit is contained in:
Andrew Noyes
2024-03-28 11:03:45 -07:00
parent 4edf0315d9
commit 0a1843a161
2 changed files with 18 additions and 12 deletions
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27
CMakeLists.txt
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@@ -25,6 +25,9 @@ endif()
add_compile_options(-fdata-sections -ffunction-sections -Wswitch-enum
-Werror=switch-enum)
option(USE_SIMD_FALLBACK
"Use fallback implementations of functions that use SIMD" OFF)
# This is encouraged according to
# https://valgrind.org/docs/manual/manual-core-adv.html#manual-core-adv.clientreq
include_directories(SYSTEM ${CMAKE_SOURCE_DIR}/third_party/valgrind)
@@ -43,18 +46,20 @@ endif()
include(CheckIncludeFileCXX)
include(CMakePushCheckState)
cmake_push_check_state()
list(APPEND CMAKE_REQUIRED_FLAGS -mavx)
check_include_file_cxx("immintrin.h" HAS_AVX)
if(HAS_AVX)
add_compile_options(-mavx)
add_compile_definitions(HAS_AVX)
endif()
cmake_pop_check_state()
if(NOT USE_SIMD_FALLBACK)
cmake_push_check_state()
list(APPEND CMAKE_REQUIRED_FLAGS -mavx)
check_include_file_cxx("immintrin.h" HAS_AVX)
if(HAS_AVX)
add_compile_options(-mavx)
add_compile_definitions(HAS_AVX)
endif()
cmake_pop_check_state()
check_include_file_cxx("arm_neon.h" HAS_ARM_NEON)
if(HAS_ARM_NEON)
add_compile_definitions(HAS_ARM_NEON)
check_include_file_cxx("arm_neon.h" HAS_ARM_NEON)
if(HAS_ARM_NEON)
add_compile_definitions(HAS_ARM_NEON)
endif()
endif()
set(CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")