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cmake: Improve the microarch checks

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This commit is contained in:
Matthew Barr
2017-06-07 11:16:30 +10:00
parent a6f4394959
commit 73765f1f84
2 changed files with 43 additions and 17 deletions
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15
CMakeLists.txt
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@@ -253,6 +253,11 @@ else()
set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-abi")
endif ()
if (CMAKE_C_COMPILER_ID MATCHES "Intel")
set(SKYLAKE_FLAG "-xCORE-AVX512")
else ()
set(SKYLAKE_FLAG "-march=skylake-avx512")
endif ()
endif()
CHECK_INCLUDE_FILES(unistd.h HAVE_UNISTD_H)
@@ -306,10 +311,6 @@ endif ()
include (${CMAKE_MODULE_PATH}/arch.cmake)
if (NOT FAT_RUNTIME AND NOT HAVE_SSSE3)
message(FATAL_ERROR "A minimum of SSSE3 compiler support is required")
endif ()
# testing a builtin takes a little more work
CHECK_C_SOURCE_COMPILES("void *aa_test(void *x) { return __builtin_assume_aligned(x, 16);}\nint main(void) { return 0; }" HAVE_CC_BUILTIN_ASSUME_ALIGNED)
CHECK_CXX_SOURCE_COMPILES("void *aa_test(void *x) { return __builtin_assume_aligned(x, 16);}\nint main(void) { return 0; }" HAVE_CXX_BUILTIN_ASSUME_ALIGNED)
@@ -460,12 +461,6 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CXX_FLAGS}")
endif()
if(CMAKE_C_COMPILER_ID MATCHES "Intel")
set(SKYLAKE_FLAG "-xCORE-AVX512")
else()
set(SKYLAKE_FLAG "-march=skylake-avx512")
endif()
if(NOT WIN32)
set(RAGEL_C_FLAGS "-Wno-unused")
endif()