[Bug rtl-optimization/106041] infinite loop in fast_dce at -O1 with aarch64

pinskia at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Jun 21 06:26:52 GMT 2022


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

           What    |Removed                     |Added
            Summary|Long/infinite compile time  |infinite loop in fast_dce
                   |for Arm SIMD -O1 or -O2 but |at -O1 with aarch64
                   |not -O0                     |

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #1)
> I need to double check this but it seems to be stuck here.

Yes it is stuck in fast_dce. The basic blocks don't look that big either ...

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