# Copyright(c) 2017-2020 Intel Corporation
# get binutils version for the workaround of Bug 97
-if not is_windows
- binutils_ok = run_command(binutils_avx512_check)
- if binutils_ok.returncode() != 0 and cc.has_argument('-mno-avx512f')
+binutils_ok = true
+if is_linux or cc.get_id() == 'gcc'
+ binutils_ok = run_command(binutils_avx512_check, check: false).returncode() == 0
+ if not binutils_ok and cc.has_argument('-mno-avx512f')
machine_args += '-mno-avx512f'
warning('Binutils error with AVX512 assembly, disabling AVX512 support')
endif
endif
+# check if compiler is working with _mm512_extracti64x4_epi64
+# Ref: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82887
+if cc.has_argument('-mavx512f')
+ code = '''#include <immintrin.h>
+ void test(__m512i zmm){
+ __m256i ymm = _mm512_extracti64x4_epi64(zmm, 0);}'''
+ result = cc.compiles(code, args : '-mavx512f', name : 'AVX512 checking')
+ if result == false
+ machine_args += '-mno-avx512f'
+ warning('Broken _mm512_extracti64x4_epi64, disabling AVX512 support')
+ endif
+endif
+
# we require SSE4.2 for DPDK
if cc.get_define('__SSE4_2__', args: machine_args) == ''
message('SSE 4.2 not enabled by default, explicitly enabling')
endif
dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
+dpdk_conf.set('RTE_MAX_LCORE', 128)
+dpdk_conf.set('RTE_MAX_NUMA_NODES', 32)