[Bug middle-end/102487] __builtin_popcount(y&3) is not optimized to (y&1)+((y&2)>>1) if don't have popcount optab (or expensive one)

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Sep 27 08:38:49 GMT 2021


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102487

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2021-09-27
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed, sth for RTL expansion.


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