34 lines
1.5 KiB
Diff
34 lines
1.5 KiB
Diff
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disable NEON instructions on arm32
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--- a/cmake/modules/FindCPUflags.cmake
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+++ b/cmake/modules/FindCPUflags.cmake
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@@ -350,27 +350,7 @@ else ()
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set(HAS_AVX512 OFF CACHE BOOL "Architecture does not have AVX512 SIMD enabled")
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endif()
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elseif(ARCHITECTURE_ARM)
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- if(C_MSVC)
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- try_run(RUN_NEON COMPILE_NEON "${CMAKE_BINARY_DIR}/tmp" "${TEST_DIR}/test_arm_neon.cxx" COMPILE_DEFINITIONS /O0)
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- else()
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- if(${CMAKE_HOST_SYSTEM_PROCESSOR} STREQUAL ${CMAKE_SYSTEM_PROCESSOR})
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- try_run(RUN_NEON COMPILE_NEON "${CMAKE_BINARY_DIR}/tmp" "${TEST_DIR}/test_arm_neon.cxx" COMPILE_DEFINITIONS -mfpu=neon -O0)
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- else()
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- try_compile(COMPILE_NEON "${CMAKE_BINARY_DIR}/tmp" "${TEST_DIR}/test_arm_neon.cxx" COMPILE_DEFINITIONS -mfpu=neon -O0)
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- set(RUN_NEON 0)
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- endif()
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- endif()
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- if(COMPILE_NEON AND RUN_NEON EQUAL 0)
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- set(HAS_NEON ON CACHE BOOL "Architecture has NEON SIMD enabled")
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- message(STATUS "Use NEON SIMD instructions")
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- if(C_GCC OR C_CLANG)
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- set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=neon" )
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- set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=neon" )
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- add_definitions(-DUSE_NEON)
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- endif()
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- else()
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- set(HAS_NEON OFF CACHE BOOL "Architecture does not have NEON SIMD enabled")
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- endif()
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+ set(HAS_NEON OFF CACHE BOOL "Architecture does not have NEON SIMD enabled")
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elseif(ARCHITECTURE_ARM64)
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# Advanced SIMD (aka NEON) is mandatory for AArch64
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set(HAS_NEON ON CACHE BOOL "Architecture has NEON SIMD enabled")
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