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fix cflags detection for x86

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This commit is contained in:
Konstantinos Margaritis 2023-10-09 00:23:08 +03:00
parent 0d5ce27df4
commit ee8a3c29cc
1 changed files with 33 additions and 36 deletions
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37
cmake/cflags-x86.cmake
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@ -1,26 +1,24 @@
option(BUILD_AVX512 "Enabling support for AVX512" OFF)
option(BUILD_AVX512VBMI "Enabling support for AVX512VBMI" OFF)
set(SKYLAKE_FLAG "-march=skylake-avx512")
set(ICELAKE_FLAG "-march=icelake-server")
if (NOT FAT_RUNTIME)
if (BUILD_AVX512VBMI)
message (STATUS "AVX512VBMI implies AVX512, enabling BUILD_AVX512")
set(BUILD_AVX512 ON)
set(ARCH_C_FLAGS "${ICELAKE_FLAG}")
set(ARCH_CXX_FLAGS "${ICELAKE_FLAG}")
endif ()
if (BUILD_AVX512)
message (STATUS "AVX512 implies AVX2, enabling BUILD_AVX2")
set(BUILD_AVX2 ON)
endif ()
endif()
set(SKYLAKE_FLAG "-march=skylake-avx512")
set(ICELAKE_FLAG "-march=icelake-server")
if (ARCH_IA32 OR ARCH_X86_64)
if (NOT FAT_RUNTIME)
if (BUILD_AVX512)
set(ARCH_C_FLAGS "${SKYLAKE_FLAG}")
set(ARCH_CXX_FLAGS "${SKYLAKE_FLAG}")
elseif (BUILD_AVX2)
endif ()
if (BUILD_AVX2)
message (STATUS "Enabling BUILD_AVX2")
set(ARCH_C_FLAGS "-mavx2")
set(ARCH_CXX_FLAGS "-mavx2")
else()
@ -31,8 +29,8 @@ if (ARCH_IA32 OR ARCH_X86_64)
set(ARCH_C_FLAGS "-msse4.2")
set(ARCH_CXX_FLAGS "-msse4.2")
endif()
endif()
set(CMAKE_REQUIRED_FLAGS "${ARCH_C_FLAGS}")
CHECK_INCLUDE_FILES(intrin.h HAVE_C_INTRIN_H)
CHECK_INCLUDE_FILE_CXX(intrin.h HAVE_CXX_INTRIN_H)
CHECK_INCLUDE_FILES(x86intrin.h HAVE_C_X86INTRIN_H)
@ -60,7 +58,6 @@ if (BUILD_AVX512VBMI)
endif ()
endif ()
if (ARCH_IA32 OR ARCH_X86_64)
# ensure we have the minimum of SSE4.2 - call a SSE4.2 intrinsic
CHECK_C_SOURCE_COMPILES("#include <${INTRIN_INC_H}>
int main() {
@ -103,29 +100,29 @@ int main(){
}" HAVE_AVX512VBMI)
if (FAT_RUNTIME)
if ((ARCH_IA32 OR ARCH_X86_64) AND NOT HAVE_SSE42)
if (NOT HAVE_SSE42)
message(FATAL_ERROR "SSE4.2 support required to build fat runtime")
endif ()
if ((ARCH_IA32 OR ARCH_X86_64) AND BUILD_AVX2 AND NOT HAVE_AVX2)
if (BUILD_AVX2 AND NOT HAVE_AVX2)
message(FATAL_ERROR "AVX2 support required to build fat runtime")
endif ()
if ((ARCH_IA32 OR ARCH_X86_64) AND BUILD_AVX512 AND NOT HAVE_AVX512)
if (BUILD_AVX512 AND NOT HAVE_AVX512)
message(FATAL_ERROR "AVX512 support requested but not supported")
endif ()
if ((ARCH_IA32 OR ARCH_X86_64) AND BUILD_AVX512VBMI AND NOT HAVE_AVX512VBMI)
if (BUILD_AVX512VBMI AND NOT HAVE_AVX512VBMI)
message(FATAL_ERROR "AVX512VBMI support requested but not supported")
endif ()
else (NOT FAT_RUNTIME)
if ((ARCH_IA32 OR ARCH_X86_64) AND NOT BUILD_AVX2)
if (NOT BUILD_AVX2)
message(STATUS "Building without AVX2 support")
endif ()
if ((ARCH_IA32 OR ARCH_X86_64) AND NOT HAVE_AVX512)
if (NOT HAVE_AVX512)
message(STATUS "Building without AVX512 support")
endif ()
if ((ARCH_IA32 OR ARCH_X86_64) AND NOT HAVE_AVX512VBMI)
if (NOT HAVE_AVX512VBMI)
message(STATUS "Building without AVX512VBMI support")
endif ()
if ((ARCH_IA32 OR ARCH_X86_64) AND NOT HAVE_SSE42)
if (NOT HAVE_SSE42)
message(FATAL_ERROR "A minimum of SSE4.2 compiler support is required")
endif ()
endif ()