[Bug target/125795] [14/15/16/17 Regression] Code generation broken with -funroll-loops when targeting armv8-a.

pinskia at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Jun 15 07:52:50 GMT 2026


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125795

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pinskia at gcc dot gnu.org
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2026-06-15
      Known to fail|                            |14.1.0
      Known to work|                            |13.4.0

--- Comment #3 from Drea Pinski <pinskia at gcc dot gnu.org> ---
-mearly-ra=none (or -mearly-ra=strided) works around the wrong code too.

I tried -mno-early-ldp-fusion -mno-late-ldp-fusion but those don't remove the
wrong code.

I might have sometime to look into this further.


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