20/07/2021 15:36, Liang Ma: > From: Liang Ma <[email protected]> > > 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 cause building failure with debug buildtype. > > Therefore, it's helpful to check if compiler work with > _mm512_extracti64x4_epi6. > > This patch check the compiler compile result against the test code > snippet. If the checking is failed then disable avx512. > > 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: [email protected] > > Reported-by: Liang Ma <[email protected]> > Signed-off-by: Liang Ma <[email protected]> > Acked-by: Bruce richardson <[email protected]>
Applied, thanks.
