+ # compile AVX512 version if:
+ # we are building 64-bit binary AND binutils can generate proper code
+
+ if dpdk_conf.has('RTE_ARCH_X86_64') and binutils_ok.returncode() == 0
+
+ # compile AVX512 version if either:
+ # a. we have AVX512 supported in minimum instruction set
+ # baseline
+ # b. it's not minimum instruction set, but supported by
+ # compiler
+ #
+ # in former case, just add avx512 C file to files list
+ # in latter case, compile c file to static lib, using correct
+ # compiler flags, and then have the .o file from static lib
+ # linked into main lib.
+
+ # check if all required flags already enabled (variant a).
+ acl_avx512_flags = ['__AVX512F__', '__AVX512VL__',
+ '__AVX512CD__', '__AVX512BW__']
+
+ acl_avx512_on = true
+ foreach f:acl_avx512_flags
+
+ if cc.get_define(f, args: machine_args) == ''
+ acl_avx512_on = false
+ endif
+ endforeach
+
+ if acl_avx512_on == true
+
+ sources += files('acl_run_avx512.c')
+ cflags += '-DCC_AVX512_SUPPORT'
+
+ elif cc.has_multi_arguments('-mavx512f', '-mavx512vl',
+ '-mavx512cd', '-mavx512bw')
+
+ avx512_tmplib = static_library('avx512_tmp',
+ 'acl_run_avx512.c',
+ dependencies: static_rte_eal,
+ c_args: cflags +
+ ['-mavx512f', '-mavx512vl',
+ '-mavx512cd', '-mavx512bw'])
+ objs += avx512_tmplib.extract_objects(
+ 'acl_run_avx512.c')
+ cflags += '-DCC_AVX512_SUPPORT'
+ endif
+ endif
+