[Bug target/117007] Poor optimization for small vector constants needed for vector shift/rotate/mask generation

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117007

Steven Munroe <munroesj at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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  Attachment #59323|0                           |1
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--- Comment #5 from Steven Munroe <munroesj at gcc dot gnu.org> ---
Created attachment 59446
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59446&action=edit
Examples of DW/QW shift immedaite

Also found the compiler mishandling the qquadword shift by a constant for
inline vector. I think is related to the fact that GCC does not actually
support quadword integer constants.