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Check compile-time support for SSE intrinsics

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This commit is contained in:
Chris Robinson
2019-03-18 20:05:15 -07:00
parent 821c7565cf
commit 6a0b2ed0ca
2 changed files with 26 additions and 8 deletions
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CMakeLists.txt
+23 -8
View File
@@ -386,6 +386,13 @@ IF(HAVE_MFPU_NEON_SWITCH)
SET(FPU_NEON_SWITCH "-mfpu=neon")
ENDIF()
CHECK_INCLUDE_FILE(xmmintrin.h HAVE_XMMINTRIN_H "${SSE2_SWITCH}")
CHECK_INCLUDE_FILE(emmintrin.h HAVE_EMMINTRIN_H "${SSE2_SWITCH}")
CHECK_INCLUDE_FILE(pmmintrin.h HAVE_PMMINTRIN_H "${SSE3_SWITCH}")
CHECK_INCLUDE_FILE(smmintrin.h HAVE_SMMINTRIN_H "${SSE4_1_SWITCH}")
CHECK_INCLUDE_FILE(arm_neon.h HAVE_ARM_NEON_H "${FPU_NEON_SWITCH}")
SET(SSE_FLAGS )
SET(FPMATH_SET "0")
IF(CMAKE_SIZEOF_VOID_P MATCHES "4")
IF(SSE2_SWITCH OR MSVC)
@@ -396,19 +403,33 @@ IF(CMAKE_SIZEOF_VOID_P MATCHES "4")
IF(SSE2_SWITCH)
CHECK_C_COMPILER_FLAG("${SSE2_SWITCH} -mfpmath=sse" HAVE_MFPMATH_SSE_2)
IF(HAVE_MFPMATH_SSE_2)
SET(C_FLAGS ${C_FLAGS} ${SSE2_SWITCH} -mfpmath=sse)
SET(SSE_FLAGS ${SSE_FLAGS} ${SSE2_SWITCH} -mfpmath=sse)
SET(C_FLAGS ${C_FLAGS} ${SSE_FLAGS})
SET(FPMATH_SET 2)
ENDIF()
ELSEIF(MSVC)
CHECK_C_COMPILER_FLAG("/arch:SSE2" HAVE_ARCH_SSE2)
IF(HAVE_ARCH_SSE2)
SET(C_FLAGS ${C_FLAGS} "/arch:SSE2")
SET(SSE_FLAGS ${SSE_FLAGS} "/arch:SSE2")
SET(C_FLAGS ${C_FLAGS} ${SSE_FLAGS})
SET(FPMATH_SET 2)
ENDIF()
ENDIF()
ENDIF()
ENDIF()
IF(HAVE_EMMINTRIN_H)
SET(OLD_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
FOREACH(flag_var ${SSE_FLAGS})
SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${flag_var}")
ENDFOREACH()
CHECK_C_SOURCE_COMPILES("#include <emmintrin.h>
int main() {_mm_pause(); return 0;}" HAVE_SSE_INTRINSICS)
SET(CMAKE_REQUIRED_FLAGS ${OLD_REQUIRED_FLAGS})
ENDIF()
CHECK_C_SOURCE_COMPILES("int foo(const char *str, ...) __attribute__((format(printf, 1, 2)));
int main() {return 0;}" HAVE_GCC_FORMAT)
@@ -723,12 +744,6 @@ SET(HAVE_SSE3 0)
SET(HAVE_SSE4_1 0)
SET(HAVE_NEON 0)
CHECK_INCLUDE_FILE(xmmintrin.h HAVE_XMMINTRIN_H "${SSE2_SWITCH}")
CHECK_INCLUDE_FILE(emmintrin.h HAVE_EMMINTRIN_H "${SSE2_SWITCH}")
CHECK_INCLUDE_FILE(pmmintrin.h HAVE_PMMINTRIN_H "${SSE3_SWITCH}")
CHECK_INCLUDE_FILE(smmintrin.h HAVE_SMMINTRIN_H "${SSE4_1_SWITCH}")
CHECK_INCLUDE_FILE(arm_neon.h HAVE_ARM_NEON_H "${FPU_NEON_SWITCH}")
# Check for SSE+SSE2 support
OPTION(ALSOFT_REQUIRE_SSE "Require SSE support" OFF)
OPTION(ALSOFT_REQUIRE_SSE2 "Require SSE2 support" OFF)
config.h.in
+3
View File
@@ -155,6 +155,9 @@
/* Define if we have the _BitScanForward() intrinsic */
#cmakedefine HAVE_BITSCANFORWARD_INTRINSIC
/* Define if we have SSE intrinsics */
#cmakedefine HAVE_SSE_INTRINSICS
/* Define if we have _controlfp() */
#cmakedefine HAVE__CONTROLFP