https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66862
Hongtao Liu <liuhongt at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED --- Comment #6 from Hongtao Liu <liuhongt at gcc dot gnu.org> --- Fixed since GCC8 w/ avx512bw avx512vl. w/o avx512bw, x86 doesn't support packed int16 mask{load,store}, and can't vectorize the loop.