https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110490
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|testsuite |tree-optimization
Ever confirmed|0 |1
Last reconfirmed| |2023-06-29
Keywords| |missed-optimization
Status|UNCONFIRMED |NEW
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
So the problem is a missing optimization.
In this case, arch14 (which enables TARGET_EXTIMM) only defines a clzdi2 and
not a clzsi2 so the code in build_cltz_expr does not realize that it could
still support clzsi2 ...
