[Bug target/92892] [AARCH64] TBL-based permutations can be implemented more efficiently for 2-element vectors

pinskia at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Dec 10 18:01:00 GMT 2019


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92892

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
          Component|rtl-optimization            |target
         Depends on|                            |82199

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
See PR 82199 also.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82199
[Bug 82199] __builtin_shuffle sometimes should produce zip1 rather than TBL


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