##############################################################################
if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
set(CMAKE_C_FLAGS "-march=corei7 -mtune=corei7-avx ${CMAKE_C_FLAGS}")
- check_c_compiler_flag("-march=core-avx2" compiler_flag_march_core_avx2)
- if(compiler_flag_march_core_avx2)
- list(APPEND MARCH_VARIANTS "avx2\;-march=core-avx2 -mtune=core-avx2")
+ check_c_compiler_flag("-march=haswell" compiler_flag_march_haswell)
+ if(compiler_flag_march_haswell)
+ list(APPEND MARCH_VARIANTS "hsw\;-march=haswell -mtune=haswell")
+ endif()
+ check_c_compiler_flag("-march=tremont" compiler_flag_march_tremont)
+ if(compiler_flag_march_tremont)
+ list(APPEND MARCH_VARIANTS "trm\;-march=tremont -mtune=tremont")
endif()
if (GNU_ASSEMBLER_AVX512_BUG)
message(WARNING "AVX-512 multiarch variant(s) disabled due to GNU Assembler bug")
else()
+ check_c_compiler_flag("-mprefer-vector-width=256" compiler_flag_mprefer_vector_width)
check_c_compiler_flag("-march=skylake-avx512" compiler_flag_march_skylake_avx512)
check_c_compiler_flag("-march=icelake-client" compiler_flag_march_icelake_client)
- if(compiler_flag_march_skylake_avx512)
- list(APPEND MARCH_VARIANTS "avx512\;-march=skylake-avx512 -mtune=skylake-avx512")
+ if(compiler_flag_march_skylake_avx512 AND compiler_flag_mprefer_vector_width)
+ list(APPEND MARCH_VARIANTS "skx\;-march=skylake-avx512 -mtune=skylake-avx512 -mprefer-vector-width=256")
+ endif()
+ if(compiler_flag_march_icelake_client AND compiler_flag_mprefer_vector_width)
+ list(APPEND MARCH_VARIANTS "icl\;-march=icelake-client -mtune=icelake-client -mprefer-vector-width=512")
endif()
endif()
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
if(compiler_flag_march_core_qdf24xx)
list(APPEND MARCH_VARIANTS "qdf24xx\;-march=armv8-a+crc+crypto -DCLIB_N_PREFETCHES=8")
endif()
+ check_c_compiler_flag("-march=armv8.2-a+crc+crypto+lse" compiler_flag_march_core_octeontx2)
+ if(compiler_flag_march_core_octeontx2)
+ list(APPEND MARCH_VARIANTS "octeontx2\;-march=armv8.2-a+crc+crypto+lse -DCLIB_N_PREFETCHES=8")
+ endif()
check_c_compiler_flag("-march=armv8.1-a+crc+crypto -mtune=thunderx2t99" compiler_flag_march_thunderx2t99)
if(compiler_flag_march_thunderx2t99)
if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.3))
endif()
macro(vpp_library_set_multiarch_sources lib)
+ cmake_parse_arguments(ARG
+ ""
+ ""
+ "SOURCES;DEPENDS"
+ ${ARGN}
+ )
+
foreach(V ${MARCH_VARIANTS})
list(GET V 0 VARIANT)
list(GET V 1 VARIANT_FLAGS)
set(l ${lib}_${VARIANT})
- add_library(${l} OBJECT ${ARGN})
+ add_library(${l} OBJECT ${ARG_SOURCES})
+ if(ARG_DEPENDS)
+ add_dependencies(${l} ${ARG_DEPENDS})
+ endif()
set_target_properties(${l} PROPERTIES POSITION_INDEPENDENT_CODE ON)
target_compile_options(${l} PUBLIC "-DCLIB_MARCH_VARIANT=${VARIANT}")
separate_arguments(VARIANT_FLAGS)