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generalize architecture and cpu flags detection

pull/326/head
Davide Gerhard 2019-04-15 21:43:48 +02:00
rodzic 9b1c24ee3d
commit f7612a703d
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10 zmienionych plików z 261 dodań i 72 usunięć
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262
CMakeLists.txt
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@ -108,93 +108,211 @@ if (HOST_RPI)
message( STATUS "Compiling on RPi" )
endif()
EXECUTE_PROCESS( COMMAND uname -m COMMAND tr -d '\n' OUTPUT_VARIABLE ARCHITECTURE )
message( STATUS "Architecture: ${ARCHITECTURE}" )
if (${ARCHITECTURE} MATCHES "x86_64|AMD64|x86")
EXECUTE_PROCESS( COMMAND grep flags /proc/cpuinfo OUTPUT_VARIABLE CPU_FLAGS )
# if (${CPU_FLAGS} MATCHES "avx2")
# set(HAS_AVX2 ON CACHE BOOL "Architecture has AVX2 SIMD enabled")
# if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") OR (CMAKE_CXX_COMPILER_ID STREQUAL "Clang"))
# set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -mavx2" )
# set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -mavx2" )
# message(STATUS "Use AVX2 SIMD instructions")
# add_definitions(-DUSE_AVX2)
# else()
# set(HAS_AVX2 OFF CACHE BOOL "Architecture does not have AVX2 SIMD enabled")
# endif()
# endif()
if (${CPU_FLAGS} MATCHES "sse4_1")
set(HAS_SSE4_1 ON CACHE BOOL "Architecture has SSE 4.1 SIMD enabled")
if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") OR (CMAKE_CXX_COMPILER_ID STREQUAL "Clang"))
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -msse4.1" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -msse4.1" )
message(STATUS "Use SSE 4.1 SIMD instructions")
add_definitions(-DUSE_SSE4_1)
elseif(MSVC)
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /arch:SSE4_1" )
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Oi /GL /Ot /Ox /arch:SSE4_1" )
set( CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG" )
add_definitions (/D "_CRT_SECURE_NO_WARNINGS")
add_definitions(-DUSE_SSE4_1)
set(TEST_DIR ${PROJECT_SOURCE_DIR}/cmake/test)
# Clang or AppleClang (see CMP0025)
if(NOT DEFINED C_CLANG AND CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(C_CLANG 1)
endif()
if(NOT DEFINED C_GCC AND CMAKE_CXX_COMPILER_ID MATCHES "GNU")
set(C_GCC 1)
endif()
# Detect current compilation architecture and create standard definitions
# =======================================================================
include(CheckSymbolExists)
function(detect_architecture symbol arch)
if (NOT DEFINED ARCHITECTURE)
set(CMAKE_REQUIRED_QUIET 1)
check_symbol_exists("${symbol}" "" ARCHITECTURE_${arch})
unset(CMAKE_REQUIRED_QUIET)
# The output variable needs to be unique across invocations otherwise
# CMake's crazy scope rules will keep it defined
if (ARCHITECTURE_${arch})
set(ARCHITECTURE "${arch}" PARENT_SCOPE)
set(ARCHITECTURE_${arch} 1 PARENT_SCOPE)
add_definitions(-DARCHITECTURE_${arch}=1)
endif()
else()
set(HAS_SSE4_1 OFF CACHE BOOL "Architecture does not have SSE 4.1 SIMD enabled")
endif()
if (${CPU_FLAGS} MATCHES "ssse3")
set(HAS_SSSE3 ON CACHE BOOL "Architecture has SSSE3 SIMD enabled")
if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") OR (CMAKE_CXX_COMPILER_ID STREQUAL "Clang"))
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -mssse3" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -mssse3" )
endfunction()
if (NOT ENABLE_GENERIC)
if (MSVC)
detect_architecture("_M_AMD64" x86_64)
detect_architecture("_M_IX86" x86)
detect_architecture("_M_ARM" ARM)
detect_architecture("_M_ARM64" ARM64)
else()
detect_architecture("__x86_64__" x86_64)
detect_architecture("__i386__" x86)
detect_architecture("__arm__" ARM)
detect_architecture("__aarch64__" ARM64)
endif()
endif()
if (NOT DEFINED ARCHITECTURE)
set(ARCHITECTURE "GENERIC")
set(ARCHITECTURE_GENERIC 1)
add_definitions(-DARCHITECTURE_GENERIC=1)
endif()
message(STATUS "Target architecture: ${ARCHITECTURE}")
# flag that set the minimum cpu flag requirements
# used to create re-distribuitable binary
if (ENABLE_DISTRIBUTION)
if (${ARCHITECTURE} MATCHES "x86_64|x86")
set(HAS_SSSE3 ON CACHE BOOL "SSSE3 SIMD enabled")
if(C_GCC OR C_CLANG)
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mssse3" )
message(STATUS "Use SSSE3 SIMD instructions")
add_definitions(-DUSE_SSSE3)
elseif(MSVC)
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /arch:SSSE3" )
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Oi /GL /Ot /Ox /arch:SSSE3" )
set( CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG" )
message(STATUS "Use MSVC SSSE3 SIMD instructions")
add_definitions (/D "_CRT_SECURE_NO_WARNINGS")
add_definitions(-DUSE_SSSE3)
endif()
else()
set(HAS_SSSE3 OFF CACHE BOOL "Architecture does not have SSSE3 SIMD enabled")
endif()
if (${CPU_FLAGS} MATCHES "sse2")
set(HAS_SSE2 ON CACHE BOOL "Architecture has SSE2 SIMD enabled")
if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") OR (CMAKE_CXX_COMPILER_ID STREQUAL "Clang"))
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -msse2" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -msse2" )
message(STATUS "Use SSE2 SIMD instructions")
add_definitions(-DUSE_SSE2)
elseif(MSVC)
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /arch:SSE2" )
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Oi /GL /Ot /Ox /arch:SSE2" )
set( CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG" )
add_definitions (/D "_CRT_SECURE_NO_WARNINGS")
add_definitions(-DUSE_SSE2)
endif()
else()
set(HAS_SSE2 OFF CACHE BOOL "Architecture does not have SSE2 SIMD enabled")
endif()
elseif (${ARCHITECTURE} MATCHES "armv7l")
EXECUTE_PROCESS( COMMAND grep Features /proc/cpuinfo OUTPUT_VARIABLE CPU_FLAGS )
if (${CPU_FLAGS} MATCHES "neon")
set(HAS_NEON ON CACHE BOOL "Architecture has NEON SIMD enabled")
if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") OR (CMAKE_CXX_COMPILER_ID STREQUAL "Clang"))
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -mfpu=neon" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -mfpu=neon" )
message(STATUS "Use NEON SIMD instructions")
add_definitions(-DUSE_NEON)
endif()
else()
set(HAS_NEON OFF CACHE BOOL "Architecture does not have NEON SIMD enabled")
endif()
elseif (${ARCHITECTURE} MATCHES "aarch64")
set(HAS_NEON ON CACHE BOOL FORCE "Architecture has NEON SIMD enabled")
if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") OR (CMAKE_CXX_COMPILER_ID STREQUAL "Clang"))
message(STATUS "Aarch64 always has NEON SIMD instructions")
elseif (${ARCHITECTURE} MATCHES "ARM|ARM64")
set(HAS_NEON ON CACHE BOOL "NEON SIMD enabled")
message(STATUS "Use NEON SIMD instructions")
add_definitions(-DUSE_NEON)
endif()
else ()
if (${ARCHITECTURE} MATCHES "x86_64|x86")
try_run(RUN_SSE2 COMPILE_SSE2 ${CMAKE_BINARY_DIR}/tmp ${TEST_DIR}/test_x86_sse2.cxx COMPILE_DEFINITIONS -msse2 -O0)
if(COMPILE_SSE2 AND RUN_SSE2 EQUAL 0)
set(HAS_SSE2 ON CACHE BOOL "Architecture has SSSE2 SIMD enabled")
if(C_GCC OR C_CLANG)
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse2" )
message(STATUS "Use SSE2 SIMD instructions")
add_definitions(-DUSE_SSE2)
elseif(MSVC)
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /arch:SSE2" )
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Oi /GL /Ot /Ox /arch:SSE2" )
set( CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG" )
add_definitions (/D "_CRT_SECURE_NO_WARNINGS")
add_definitions(-DUSE_SSE2)
endif()
else()
set(HAS_SSE2 OFF CACHE BOOL "Architecture does not have SSSE2 SIMD enabled")
endif()
try_run(RUN_SSSE3 COMPILE_SSSE3 ${CMAKE_BINARY_DIR}/tmp ${TEST_DIR}/test_x86_ssse3.cxx COMPILE_DEFINITIONS -mssse3 -O0)
if(COMPILE_SSSE3 AND RUN_SSSE3 EQUAL 0)
set(HAS_SSSE3 ON CACHE BOOL "Architecture has SSSE3 SIMD enabled")
if(C_GCC OR C_CLANG)
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mssse3" )
message(STATUS "Use SSSE3 SIMD instructions")
add_definitions(-DUSE_SSSE3)
elseif(MSVC)
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /arch:SSSE3" )
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Oi /GL /Ot /Ox /arch:SSSE3" )
set( CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG" )
message(STATUS "Use MSVC SSSE3 SIMD instructions")
add_definitions (/D "_CRT_SECURE_NO_WARNINGS")
add_definitions(-DUSE_SSSE3)
endif()
else()
set(HAS_SSSE3 OFF CACHE BOOL "Architecture does not have SSSE3 SIMD enabled")
endif()
try_run(RUN_SSE4_1 COMPILE_SSE4_1 ${CMAKE_BINARY_DIR}/tmp ${TEST_DIR}/test_x86_sse41.cxx COMPILE_DEFINITIONS -msse4.1 -O0)
if(COMPILE_SSE4_1 AND RUN_SSE4_1 EQUAL 0)
set(HAS_SSE4_1 ON CACHE BOOL "Architecture has SSE 4.1 SIMD enabled")
if(C_GCC OR C_CLANG)
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -msse4.1" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -msse4.1" )
message(STATUS "Use SSE 4.1 SIMD instructions")
add_definitions(-DUSE_SSE4_1)
elseif(MSVC)
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /arch:SSE4_1" )
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Oi /GL /Ot /Ox /arch:SSE4_1" )
set( CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG" )
add_definitions (/D "_CRT_SECURE_NO_WARNINGS")
add_definitions(-DUSE_SSE4_1)
endif()
else()
set(HAS_SSE4_1 OFF CACHE BOOL "Architecture does not have SSE 4.1 SIMD enabled")
endif()
try_run(RUN_SSE4_2 COMPILE_SSE4_2 ${CMAKE_BINARY_DIR}/tmp ${TEST_DIR}/test_x86_sse42.cxx COMPILE_DEFINITIONS -msse4.2 -O0)
if(COMPILE_SSE4_2 AND RUN_SSE4_2 EQUAL 0)
set(HAS_SSE4_2 ON CACHE BOOL "Architecture has SSE 4.2 SIMD enabled")
if(C_GCC OR C_CLANG)
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -msse4.2" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -msse4.2" )
message(STATUS "Use SSE 4.2 SIMD instructions")
add_definitions(-DUSE_SSE4_2)
elseif(MSVC)
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /arch:SSE4_2" )
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Oi /GL /Ot /Ox /arch:SSE4_2" )
set( CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG" )
add_definitions (/D "_CRT_SECURE_NO_WARNINGS")
add_definitions(-DUSE_SSE4_2)
endif()
else()
set(HAS_SSE4_2 OFF CACHE BOOL "Architecture does not have SSE 4.2 SIMD enabled")
endif()
try_run(RUN_AVX COMPILE_AVX ${CMAKE_BINARY_DIR}/tmp ${TEST_DIR}/test_x86_avx.cxx COMPILE_DEFINITIONS -mavx -O0)
if(COMPILE_AVX AND RUN_AVX EQUAL 0)
set(HAS_AVX ON CACHE BOOL "Architecture has AVX SIMD enabled")
if(C_GCC OR C_CLANG)
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -mavx" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -mavx" )
message(STATUS "Use AVX SIMD instructions")
add_definitions(-DUSE_AVX)
endif()
else()
set(HAS_AVX OFF CACHE BOOL "Architecture does not have AVX SIMD enabled")
endif()
try_run(RUN_AVX2 COMPILE_AVX2 ${CMAKE_BINARY_DIR}/tmp ${TEST_DIR}/test_x86_avx2.cxx COMPILE_DEFINITIONS -mavx2 -O0)
if(COMPILE_AVX2 AND RUN_AVX2 EQUAL 0)
set(HAS_AVX2 ON CACHE BOOL "Architecture has AVX2 SIMD enabled")
if(C_GCC OR C_CLANG)
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -mavx2" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -mavx2" )
message(STATUS "Use AVX2 SIMD instructions")
add_definitions(-DUSE_AVX2)
endif()
else()
set(HAS_AVX2 OFF CACHE BOOL "Architecture does not have AVX2 SIMD enabled")
endif()
try_run(RUN_AVX512 COMPILE_AVX512 ${CMAKE_BINARY_DIR}/tmp ${TEST_DIR}/test_x86_avx512.cxx COMPILE_DEFINITIONS -mavx512f -O0)
if(COMPILE_AVX512 AND RUN_AVX512 EQUAL 0)
set(HAS_AVX512 ON CACHE BOOL "Architecture has AVX512 SIMD enabled")
if(C_GCC OR C_CLANG)
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -mavx512f" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -mavx512f" )
message(STATUS "Use AVX512 SIMD instructions")
add_definitions(-DUSE_AVX512)
endif()
else()
set(HAS_AVX512 OFF CACHE BOOL "Architecture does not have AVX512 SIMD enabled")
endif()
elseif(ARCHITECTURE_ARM)
try_run(RUN_NEON COMPILE_NEON ${CMAKE_BINARY_DIR}/tmp ${TEST_DIR}/test_arm_neon.cxx COMPILE_DEFINITIONS -mfpu=neon -O0)
if(COMPILE_NEON AND RUN_NEON EQUAL 0)
set(HAS_NEON ON CACHE BOOL "Architecture has NEON SIMD enabled")
if(C_GCC OR C_CLANG)
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -mfpu=neon" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -mfpu=neon" )
message(STATUS "Use NEON SIMD instructions")
add_definitions(-DUSE_NEON)
endif()
else()
set(HAS_NEON OFF CACHE BOOL "Architecture does not have NEON SIMD enabled")
endif()
elseif(ARCHITECTURE_ARM64)
# Advanced SIMD (aka NEON) is mandatory for AArch64
set(HAS_NEON ON CACHE BOOL "Architecture has NEON SIMD enabled")
message(STATUS "Use NEON SIMD instructions")
add_definitions(-DUSE_NEON)
endif()
endif()
# clear binary test folder
FILE(REMOVE_RECURSE ${CMAKE_BINARY_DIR}/tmp)
##############################################################################
# Compiler flags.
if (RX_SAMPLE_24BIT)

9
cmake/test/test_arm_neon.cxx 100644
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@ -0,0 +1,9 @@
#include <arm_neon.h>
#include <stdint.h>
int main(int argc, char* argv[])
{
uint32x4_t x={0};
x=veorq_u32(x,x);
return 0;
}

7
cmake/test/test_x86_avx.cxx 100644
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@ -0,0 +1,7 @@
#include <immintrin.h>
int main(int argc, char* argv[])
{
__m256d x = _mm256_setzero_pd();
x=_mm256_addsub_pd(x,x);
return 0;
}

7
cmake/test/test_x86_avx2.cxx 100644
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@ -0,0 +1,7 @@
#include <immintrin.h>
int main(int argc, char* argv[])
{
__m256i x = _mm256_setzero_si256();
x=_mm256_add_epi64 (x,x);
return 0;
}

8
cmake/test/test_x86_avx512.cxx 100644
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@ -0,0 +1,8 @@
#include <stdint.h>
#include <immintrin.h>
int main(int argc, char* argv[])
{
uint64_t x[8] = {0};
__m512i y = _mm512_loadu_si512((__m512i*)x);
return 0;
}

7
cmake/test/test_x86_sse2.cxx 100644
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@ -0,0 +1,7 @@
#include <emmintrin.h>
int main(int argc, char* argv[])
{
__m128i x = _mm_setzero_si128();
x=_mm_add_epi64(x,x);
return 0;
}

8
cmake/test/test_x86_sse3.cxx 100644
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@ -0,0 +1,8 @@
#include <emmintrin.h>
#include <pmmintrin.h>
int main(int argc, char* argv[])
{
__m128d x = _mm_setzero_pd();
x=_mm_addsub_pd(x,x);
return 0;
}

10
cmake/test/test_x86_sse41.cxx 100644
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@ -0,0 +1,10 @@
#include <emmintrin.h>
#include <smmintrin.h>
int main(int argc, char* argv[])
{
__m128i x = _mm_setzero_si128();
__m128i a = _mm_setzero_si128();
__m128i b = _mm_setzero_si128();
x=_mm_blend_epi16(a,b,4);
return 0;
}

7
cmake/test/test_x86_sse42.cxx 100644
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@ -0,0 +1,7 @@
#include <nmmintrin.h>
int main(int argc, char* argv[])
{
unsigned int x=32;
x=_mm_crc32_u8(x,4);
return 0;
}

8
cmake/test/test_x86_ssse3.cxx 100644
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@ -0,0 +1,8 @@
#include <emmintrin.h>
#include <tmmintrin.h>
int main(int argc, char* argv[])
{
__m128i x = _mm_setzero_si128();
x=_mm_alignr_epi8(x,x,2);
return 0;
}