# Copyright(c) 2018 Vladimir Medvedkin <medvedkinv@gmail.com>
# Copyright(c) 2019 Intel Corporation
-allow_experimental_apis = true
sources = files('rte_fib.c', 'rte_fib6.c', 'dir24_8.c', 'trie.c')
headers = files('rte_fib.h', 'rte_fib6.h')
deps += ['rib']
+
+# 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 AVX512F 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__','__AVX512DQ__']
+ 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
+ cflags += ['-DCC_DIR24_8_AVX512_SUPPORT']
+ sources += files('dir24_8_avx512.c')
+ # TRIE AVX512 implementation uses avx512bw intrinsics along with
+ # avx512f and avx512dq
+ if cc.get_define('__AVX512BW__', args: machine_args) != ''
+ cflags += ['-DCC_TRIE_AVX512_SUPPORT']
+ sources += files('trie_avx512.c')
+ endif
+ elif cc.has_multi_arguments('-mavx512f', '-mavx512dq')
+ dir24_8_avx512_tmp = static_library('dir24_8_avx512_tmp',
+ 'dir24_8_avx512.c',
+ dependencies: static_rte_eal,
+ c_args: cflags + ['-mavx512f', '-mavx512dq'])
+ objs += dir24_8_avx512_tmp.extract_objects('dir24_8_avx512.c')
+ cflags += ['-DCC_DIR24_8_AVX512_SUPPORT']
+ # TRIE AVX512 implementation uses avx512bw intrinsics along with
+ # avx512f and avx512dq
+ if cc.has_argument('-mavx512bw')
+ trie_avx512_tmp = static_library('trie_avx512_tmp',
+ 'trie_avx512.c',
+ dependencies: static_rte_eal,
+ c_args: cflags + ['-mavx512f', \
+ '-mavx512dq', '-mavx512bw'])
+ objs += trie_avx512_tmp.extract_objects('trie_avx512.c')
+ cflags += ['-DCC_TRIE_AVX512_SUPPORT']
+ endif
+ endif
+endif