On Sat, 17 Jul 2021 18:08:30 +0100 Liang Ma <lian...@liangbit.com> wrote:
> From: Liang Ma <lian...@bytedance.com> > > GCC 6.3.0 has a known bug which related to _mm512_extracti64x4_epi64. > Please reference https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82887 > > Some DPDK PMD avx512 version heavily use _mm512_extracti64x4_epi6, > which casue building failure with debug buildtype. > > Therefore, it's helpful to disable avx512 for GCC 6.3.0 > > Bugzilla ID: 717 > Fixes: e6a6a138919f (net/i40e: add AVX512 vector path) > Fixes: 808a17b3c1e6 (net/ice: add Rx AVX512 offload path) > Fixes: 4b64ccb328c9 (net/iavf: fix VLAN extraction in AVX512 path) > Cc: sta...@dpdk.org > > Reported-by: Liang Ma <lian...@liangbit.com> > Signed-off-by: Liang Ma <lian...@bytedance.com> What distro still has GCC 6.3.0?
