[Bug rtl-optimization/104405] Inefficient register allocation on complex arithmetic
pinskia at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Sun Feb 6 09:25:36 GMT 2022
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104405
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|middle-end |rtl-optimization
Blocks|101926 |
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note for the original testcase and x86_64 is there is just a lot of extra
register moves. Basically the register allocator seems not tuned to remove
them.
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101926
[Bug 101926] [meta-bug] struct/complex argument passing and return should be
improved
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