diff options
| -rw-r--r-- | CMakeLists.txt | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 5d50cf6..00122db 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -209,27 +209,49 @@ if(NOT CMAKE_CROSSCOMPILING) endif(NOT HARDFP_SUPPORTED) endif(NEON_SUPPORTED OR VFP_SUPPORTED) else() + set(CMAKE_REQUIRED_FLAGS_SAVE ${CMAKE_REQUIRED_FLAGS}) + + # enable SSE code generation + if(CMAKE_COMPILER_IS_GNUCC) + set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS_SAVE} -msse") + endif(CMAKE_COMPILER_IS_GNUCC) + # check if the platform has support for SSE intrinsics check_include_file(xmmintrin.h HAVE_XMMINTRIN_H) if(HAVE_XMMINTRIN_H) add_definitions(-DHAVE_SSE) + set(CMAKE_REQUIRED_FLAGS_SAVE ${CMAKE_REQUIRED_FLAGS}) endif(HAVE_XMMINTRIN_H) + # enable SSE2 code generation + if(CMAKE_COMPILER_IS_GNUCC) + set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS_SAVE} -msse2") + endif(CMAKE_COMPILER_IS_GNUCC) + # check if the platform has support for SSE2 intrinsics check_include_file(emmintrin.h HAVE_EMMINTRIN_H) if(HAVE_EMMINTRIN_H) add_definitions(-DHAVE_SSE2) + set(CMAKE_REQUIRED_FLAGS_SAVE ${CMAKE_REQUIRED_FLAGS}) endif(HAVE_EMMINTRIN_H) + # enable SSE3 code generation + if(CMAKE_COMPILER_IS_GNUCC) + set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS_SAVE} -msse3") + endif(CMAKE_COMPILER_IS_GNUCC) + # check if the platform has support for SSE3 intrinsics check_include_file(pmmintrin.h HAVE_PMMINTRIN_H) if(HAVE_PMMINTRIN_H) add_definitions(-DHAVE_PMMINTRIN_H) add_definitions(-DHAVE_SSE3) + set(CMAKE_REQUIRED_FLAGS_SAVE ${CMAKE_REQUIRED_FLAGS}) else() # check if the platform has specific intrinsics check_include_file(intrin.h HAVE_INTRIN_H) if(HAVE_INTRIN_H) + add_definitions(-DHAVE_INTRIN_H) + check_c_source_compiles(" #include<intrin.h> int main(int argc, char** argv) @@ -239,9 +261,9 @@ if(NOT CMAKE_CROSSCOMPILING) return _mm_movemask_ps(_mm_moveldup_ps(_mm_set_ss(1.0f))); }" HAVE__MM_MOVELDUP_PS ) + if(HAVE__MM_MOVELDUP_PS) # assume that we have all SSE3 intrinsics - add_definitions(-DHAVE_INTRIN_H) add_definitions(-DHAVE_SSE3) endif(HAVE__MM_MOVELDUP_PS) endif(HAVE_INTRIN_H) @@ -263,7 +285,7 @@ elseif(CMAKE_COMPILER_IS_GNUCC) # enable all warnings set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra") - # some systems need libm for some of the math functions to work + # some systems need libm for the math functions to work check_library_exists(m pow "" HAVE_LIBM) if(HAVE_LIBM) list(APPEND CMAKE_REQUIRED_LIBRARIES m) |
