[Bug target/84719] gcc's __builtin_memcpy performance with certain number of bytes is terrible compared to clang's

pinskia at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Mar 5 16:41:00 GMT 2018


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84719

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2018-03-05
     Ever confirmed|0                           |1

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Does -mcpu=native improve it?
Also is GCC calling memcpy instead of doing an inline version?


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