[Bug target/98399] x86: Awful code generation for shifting vectors

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98399
Bug 98399 depends on bug 98434, which changed state.

Bug 98434 Summary: [AVX512] Missing expander for vashl<VI2_AVX512BW>, 
vlshr<VI2_AVX512BW>, vashr{v32hi,v16hi,v4di,v8di}
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98434

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED