[Bug tree-optimization/115843] [14/15 Regression] 531.deepsjeng_r fails to verify with -O3 -march=znver4 --param vect-partial-vector-usage=2

[liuhongt at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115843

--- Comment #10 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---

> But using kmovw for QImode mask is not correct as we don't know the value in
> gpr. Perhaps we'd consider restrict the kmovb under avx512dq only.

Why? as long as we only care about lower 8 bits, vmovw should be fine.