fix: disable fma by default for old cpu (#19208)

c09602bc · sangshuduo · GitHub · 2176aa28 · c09602bc
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Showing with 5 addition and 5 deletion

cmake/cmake.define cmake/cmake.define +5 -5

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--- a/cmake/cmake.define
+++ b/cmake/cmake.define
@@ -141,12 +141,12 @@ ELSE ()
        SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse4.2")
        SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.2")
    ENDIF()
+
+    IF ("${SIMD_SUPPORT}" MATCHES "true")
       IF (COMPILER_SUPPORT_FMA)
           SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfma")
           SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfma")
       ENDIF()
-
-    IF ("${SIMD_SUPPORT}" MATCHES "true")
       IF (COMPILER_SUPPORT_AVX)
            SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx")
            SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx")