1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017-2020 Intel Corporation
4 # get binutils version for the workaround of Bug 97
6 binutils_ok = run_command(binutils_avx512_check)
7 if binutils_ok.returncode() != 0 and cc.has_argument('-mno-avx512f')
8 machine_args += '-mno-avx512f'
9 warning('Binutils error with AVX512 assembly, disabling AVX512 support')
13 # check if compiler is working with _mm512_extracti64x4_epi64
14 # Ref: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82887
15 if cc.has_argument('-mavx512f')
16 code = '''#include <immintrin.h>
17 void test(__m512i zmm){
18 __m256i ymm = _mm512_extracti64x4_epi64(zmm, 0);}'''
19 result = cc.compiles(code, args : '-mavx512f', name : 'AVX512 checking')
21 machine_args += '-mno-avx512f'
22 warning('Broken _mm512_extracti64x4_epi64, disabling AVX512 support')
26 # we require SSE4.2 for DPDK
27 if cc.get_define('__SSE4_2__', args: machine_args) == ''
28 message('SSE 4.2 not enabled by default, explicitly enabling')
29 machine_args += '-msse4'
32 base_flags = ['SSE', 'SSE2', 'SSE3','SSSE3', 'SSE4_1', 'SSE4_2']
34 compile_time_cpuflags += ['RTE_CPUFLAG_' + f]
51 foreach f:optional_flags
52 if cc.get_define('__@0@__'.format(f), args: machine_args) == '1'
53 if f == 'PCLMUL' # special case flags with different defines
58 compile_time_cpuflags += ['RTE_CPUFLAG_' + f]
63 dpdk_conf.set('RTE_ARCH_X86', 1)
64 if dpdk_conf.get('RTE_ARCH_64')
65 dpdk_conf.set('RTE_ARCH_X86_64', 1)
66 dpdk_conf.set('RTE_ARCH', 'x86_64')
68 dpdk_conf.set('RTE_ARCH_I686', 1)
69 dpdk_conf.set('RTE_ARCH', 'i686')
72 dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
73 dpdk_conf.set('RTE_MAX_LCORE', 128)
74 dpdk_conf.set('RTE_MAX_NUMA_NODES', 32)