diff --git a/benchmarks/CMakeLists.txt b/benchmarks/CMakeLists.txt
index eae12e7b..994a6254 100644
--- a/benchmarks/CMakeLists.txt
+++ b/benchmarks/CMakeLists.txt
@@ -17,28 +17,7 @@ if(NOT benchmark_POPULATED)
 endif()
 
 # Check SIMD
-include(CheckIncludeFiles)
-CHECK_INCLUDE_FILES(x86intrin.h HAVE_X86INTRIN_H)
-CHECK_INCLUDE_FILES(intrin.h HAVE_INTRIN_H)
-CHECK_INCLUDE_FILES(arm_neon.h HAVE_ARM_NEON_H)
-
-# SIMD checks
-if (HAVE_X86INTRIN_H AND UNIX)
-    add_compile_options(-DHAVE_X86INTRIN_H)
-    set(SFIZZ_SIMD_SOURCES ../src/sfizz/SIMDSSE.cpp)
-elseif (HAVE_INTRIN_H AND WIN32)
-    add_compile_options(/DHAVE_INTRIN_H)
-    set(SFIZZ_SIMD_SOURCES ../src/sfizz/SIMDSSE.cpp)
-elseif (HAVE_ARM_NEON_H AND UNIX)
-    add_compile_options(-DHAVE_ARM_NEON_H)
-    add_compile_options(-mfpu=neon-fp-armv8)
-    add_compile_options(-march=native)
-    add_compile_options(-mtune=cortex-a53)
-    add_compile_options(-funsafe-math-optimizations)
-    set(SFIZZ_SIMD_SOURCES ../src/sfizz/SIMDDummy.cpp)
-else()
-    set(SFIZZ_SIMD_SOURCES ../src/sfizz/SIMDDummy.cpp)
-endif()
+include (SfizzSIMDSourceFilesCheck)
 
 add_executable(bm_opf_high_vs_low BM_OPF_high_vs_low.cpp)
 target_link_libraries(bm_opf_high_vs_low benchmark absl::span)