X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=config%2Fx86%2Fmeson.build;h=29f3dea1813c09b2e20f07ef9105a14b206d7fa2;hb=c4045f34557a5ce3de2b14e997fe41b122595e29;hp=b9348c44dea7067c49aeb584d0f048e7d26d09cd;hpb=7d5cfaa7508de0fd248b05effbf421a98317006a;p=dpdk.git

diff --git a/config/x86/meson.build b/config/x86/meson.build
index b9348c44de..29f3dea181 100644
--- a/config/x86/meson.build
+++ b/config/x86/meson.build
@@ -10,6 +10,19 @@ if not is_windows
     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')
@@ -57,3 +70,5 @@ else
 endif
 
 dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
+dpdk_conf.set('RTE_MAX_LCORE', 128)
+dpdk_conf.set('RTE_MAX_NUMA_NODES', 32)