[Bug target/117930] Improve rotates by C - x or C + x where C is multiple of bitsize on x86

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117930
Bug 117930 depends on bug 117927, which changed state.

Bug 117927 Summary: [15 Regression] Invalid rotate optimization
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117927

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