https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98681
ktkachov at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Status|UNCONFIRMED |NEW
CC| |ktkachov at gcc dot gnu.org
Summary|aarch64: Invalid ubfiz |[8/9/10/11 Regression]
|instruction rejected by |aarch64: Invalid ubfiz
|assembler |instruction rejected by
| |assembler
Priority|P3 |P2
Last reconfirmed| |2021-01-14
--- Comment #1 from ktkachov at gcc dot gnu.org ---
Confirmed. GCC 5 didn't generate the bogus assembly.
I suppose the predicate and/or constraint of *andim_ashift<mode>_bfiz needs
tightening
