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VSX toolchains: check for SSE2 support #4845

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merged 1 commit into from
Jul 11, 2023
Merged

VSX toolchains: check for SSE2 support #4845

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14 changes: 12 additions & 2 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -368,14 +368,24 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)")
if(NCNN_PPC64LE_VSX)
set(NCNN_TARGET_ARCH x86)

set(CMAKE_REQUIRED_FLAGS "-DNO_WARN_X86_INTRINSICS -D__SSE2__")
check_cxx_source_compiles("#include <emmintrin.h>\nint main() { return 0; }" NCNN_COMPILER_SUPPORT_PPC64LE_SSE2)
unset(CMAKE_REQUIRED_FLAGS)

set(CMAKE_REQUIRED_FLAGS "-DNO_WARN_X86_INTRINSICS -D__SSE4_1__")
check_cxx_source_compiles("#include <smmintrin.h>\nint main() { __m128i _v, _a, _b; _v = _mm_packus_epi32(_a, _b); return 0; }" NCNN_COMPILER_SUPPORT_PPC64LE_SSE41)
unset(CMAKE_REQUIRED_FLAGS)

if(NCNN_COMPILER_SUPPORT_PPC64LE_SSE2)
option(NCNN_VSX_SSE2 "optimize ppc64le platform with sse2 extension" ON)
else()
message(WARNING "The compiler does not support sse2 extension. NCNN_VSX_SSE2 will be OFF.")
endif()

if(NCNN_COMPILER_SUPPORT_PPC64LE_SSE41)
option(NCNN_SSE41 "optimize ppc64le platform with sse4.1 extension" ON)
option(NCNN_VSX_SSE41 "optimize ppc64le platform with sse4.1 extension" ON)
else()
message(WARNING "The compiler does not support sse4.1 extension. NCNN_SSE41 will be OFF.")
message(WARNING "The compiler does not support sse4.1 extension. NCNN_VSX_SSE41 will be OFF.")
endif()
endif()
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(xtensa)")
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7 changes: 6 additions & 1 deletion src/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -503,8 +503,13 @@ if(NCNN_TARGET_ARCH STREQUAL "riscv" AND NOT C906)
endif()

if(NCNN_PPC64LE_VSX)
# Auto-translate SSE2 to VSX if compiler is new enough.
if(NCNN_VSX_SSE2)
target_compile_options(ncnn PRIVATE -DNO_WARN_X86_INTRINSICS -D__SSE2__)
endif()

# Auto-translate SSE4.1 to VSX if compiler is new enough.
if(NCNN_SSE41)
if(NCNN_VSX_SSE41)
target_compile_options(ncnn PRIVATE -DNO_WARN_X86_INTRINSICS -D__SSE4_1__)
endif()
endif()
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4 changes: 2 additions & 2 deletions toolchains/power9le-linux-gnu-vsx.clang.toolchain.cmake
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Expand Up @@ -8,8 +8,8 @@ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

set(CMAKE_C_FLAGS "-target powerpc64le-linux-gnu -I/usr/powerpc64le-linux-gnu/include -mcpu=power9 -mtune=power9 -DNO_WARN_X86_INTRINSICS -D__MMX__ -D__SSE__ -D__SSE2__ -D__SSSE3__")
set(CMAKE_CXX_FLAGS "-target powerpc64le-linux-gnu -I/usr/powerpc64le-linux-gnu/include -I/usr/powerpc64le-linux-gnu/include/c++/10/powerpc64le-linux-gnu -mcpu=power9 -mtune=power9 -DNO_WARN_X86_INTRINSICS -D__MMX__ -D__SSE__ -D__SSE2__ -D__SSSE3__")
set(CMAKE_C_FLAGS "-target powerpc64le-linux-gnu -I/usr/powerpc64le-linux-gnu/include -mcpu=power9 -mtune=power9 -DNO_WARN_X86_INTRINSICS -D__MMX__ -D__SSE__ -D__SSSE3__")
set(CMAKE_CXX_FLAGS "-target powerpc64le-linux-gnu -I/usr/powerpc64le-linux-gnu/include -I/usr/powerpc64le-linux-gnu/include/c++/10/powerpc64le-linux-gnu -mcpu=power9 -mtune=power9 -DNO_WARN_X86_INTRINSICS -D__MMX__ -D__SSE__ -D__SSSE3__")

# cache flags
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "c flags")
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4 changes: 2 additions & 2 deletions toolchains/power9le-linux-gnu-vsx.toolchain.cmake
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Expand Up @@ -8,8 +8,8 @@ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

set(CMAKE_C_FLAGS "-mcpu=power9 -mtune=power9 -DNO_WARN_X86_INTRINSICS -D__MMX__ -D__SSE__ -D__SSE2__ -D__SSSE3__")
set(CMAKE_CXX_FLAGS "-mcpu=power9 -mtune=power9 -DNO_WARN_X86_INTRINSICS -D__MMX__ -D__SSE__ -D__SSE2__ -D__SSSE3__")
set(CMAKE_C_FLAGS "-mcpu=power9 -mtune=power9 -DNO_WARN_X86_INTRINSICS -D__MMX__ -D__SSE__ -D__SSSE3__")
set(CMAKE_CXX_FLAGS "-mcpu=power9 -mtune=power9 -DNO_WARN_X86_INTRINSICS -D__MMX__ -D__SSE__ -D__SSSE3__")

# cache flags
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "c flags")
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