xref: /dpdk/lib/fib/meson.build (revision a3c8a446)
1# SPDX-License-Identifier: BSD-3-Clause
2# Copyright(c) 2018 Vladimir Medvedkin <[email protected]>
3# Copyright(c) 2019 Intel Corporation
4
5sources = files('rte_fib.c', 'rte_fib6.c', 'dir24_8.c', 'trie.c')
6headers = files('rte_fib.h', 'rte_fib6.h')
7deps += ['rib']
8
9# compile AVX512 version if:
10# we are building 64-bit binary AND binutils can generate proper code
11if dpdk_conf.has('RTE_ARCH_X86_64') and binutils_ok.returncode() == 0
12    # compile AVX512 version if either:
13    # a. we have AVX512F supported in minimum instruction set baseline
14    # b. it's not minimum instruction set, but supported by compiler
15    #
16    # in former case, just add avx512 C file to files list
17    # in latter case, compile c file to static lib, using correct
18    # compiler flags, and then have the .o file from static lib
19    # linked into main lib.
20
21    # check if all required flags already enabled (variant a).
22    acl_avx512_flags = ['__AVX512F__','__AVX512DQ__']
23    acl_avx512_on = true
24    foreach f:acl_avx512_flags
25        if cc.get_define(f, args: machine_args) == ''
26            acl_avx512_on = false
27        endif
28    endforeach
29
30    if acl_avx512_on == true
31        cflags += ['-DCC_DIR24_8_AVX512_SUPPORT']
32        sources += files('dir24_8_avx512.c')
33        # TRIE AVX512 implementation uses avx512bw intrinsics along with
34        # avx512f and avx512dq
35        if cc.get_define('__AVX512BW__', args: machine_args) != ''
36            cflags += ['-DCC_TRIE_AVX512_SUPPORT']
37            sources += files('trie_avx512.c')
38        endif
39    elif cc.has_multi_arguments('-mavx512f', '-mavx512dq')
40        dir24_8_avx512_tmp = static_library('dir24_8_avx512_tmp',
41                'dir24_8_avx512.c',
42                dependencies: static_rte_eal,
43                c_args: cflags + ['-mavx512f', '-mavx512dq'])
44        objs += dir24_8_avx512_tmp.extract_objects('dir24_8_avx512.c')
45        cflags += ['-DCC_DIR24_8_AVX512_SUPPORT']
46        # TRIE AVX512 implementation uses avx512bw intrinsics along with
47        # avx512f and avx512dq
48        if cc.has_argument('-mavx512bw')
49            trie_avx512_tmp = static_library('trie_avx512_tmp',
50                'trie_avx512.c',
51                dependencies: static_rte_eal,
52                c_args: cflags + ['-mavx512f', \
53                    '-mavx512dq', '-mavx512bw'])
54            objs += trie_avx512_tmp.extract_objects('trie_avx512.c')
55            cflags += ['-DCC_TRIE_AVX512_SUPPORT']
56        endif
57    endif
58endif
59