diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index c27c6e4e..b7de4a69 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -432,6 +432,30 @@ IF(HAVE_MFPU_NEON_SWITCH) SET(FPU_NEON_SWITCH "-mfpu=neon") ENDIF() +SET(FPMATH_SET "0") +IF(HAVE_MSSE_SWITCH AND CMAKE_SIZEOF_VOID_P MATCHES "4") + OPTION(ALSOFT_ENABLE_SSE_CODEGEN "Enable SSE code generation instead of x87 for 32-bit targets." TRUE) + IF(HAVE_MSSE2_SWITCH) + OPTION(ALSOFT_ENABLE_SSE2_CODEGEN "Enable SSE2 code generation instead of x87 for 32-bit targets." TRUE) + ENDIF() + + IF(HAVE_MSSE2_SWITCH AND ALSOFT_ENABLE_SSE2_CODEGEN) + CHECK_C_COMPILER_FLAG("${SSE2_SWITCH} -mfpmath=sse" HAVE_MFPMATH_SSE_2) + IF(ALSOFT_ENABLE_SSE2_CODEGEN AND HAVE_MFPMATH_SSE_2) + SET(C_FLAGS ${C_FLAGS} ${SSE2_SWITCH} -mfpmath=sse) + SET(FPMATH_SET 2) + ENDIF() + ENDIF() + IF(ALSOFT_ENABLE_SSE_CODEGEN AND NOT FPMATH_SET) + CHECK_C_COMPILER_FLAG("${SSE_SWITCH} -mfpmath=sse" HAVE_MFPMATH_SSE) + IF(ALSOFT_ENABLE_SSE_CODEGEN AND HAVE_MFPMATH_SSE) + SET(C_FLAGS ${C_FLAGS} ${SSE_SWITCH} -mfpmath=sse) + SET(FPMATH_SET 1) + ENDIF() + ENDIF() +ENDIF() + + CHECK_C_SOURCE_COMPILES("int foo(const char *str, ...) __attribute__((format(printf, 1, 2))); int main() {return 0;}" HAVE_GCC_FORMAT) @@ -1471,6 +1495,10 @@ MESSAGE(STATUS "") MESSAGE(STATUS "Building with support for CPU extensions:") MESSAGE(STATUS " ${CPU_EXTS}") MESSAGE(STATUS "") +IF(FPMATH_SET) + MESSAGE(STATUS "Building with SSE${FPMATH_SET} codegen") + MESSAGE(STATUS "") +ENDIF() IF(WIN32) IF(NOT HAVE_DSOUND) |