[Bug target/98434] [AVX512] Missing expander for vashl, vlshr, vashr{v32hi,v16hi,v4di,v8di}

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98434

--- Comment #1 from Hongtao.liu <crazylht at gmail dot com> ---
Also may add expander for VI1_AVX512BW by int16 emulation.