[Bug tree-optimization/99887] Failure to optimize log2 pattern to clz

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99887

Andrew Pinski  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |DUPLICATE

--- Comment #3 from Andrew Pinski  ---
This is the same as PR 94793 really.

*** This bug has been marked as a duplicate of bug 94793 ***

[Bug tree-optimization/99887] Failure to optimize log2 pattern to clz

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99887

Jakub Jelinek  changed:

   What|Removed |Added

 CC||jakub at gcc dot gnu.org

--- Comment #2 from Jakub Jelinek  ---
Related to PR94793

[Bug tree-optimization/99887] Failure to optimize log2 pattern to clz

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99887

Richard Biener  changed:

   What|Removed |Added

   Last reconfirmed||2021-04-06
 Ever confirmed|0   |1
 Status|UNCONFIRMED |NEW

--- Comment #1 from Richard Biener  ---
Confirmed.  We're not having CLZ pattern detection (niter analysis can do
popcount only)