[Bug tree-optimization/105650] [13 Regression] Possibly wrong code on fontforge -fvect-cost-model=unlimited

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105650

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Sergei Trofimovich from comment #6)
> r13-552 "i386: Fix up V2DI and V1TI inequality comparisons [PR105613]" did
> fix it for me. Looks plausible? Or just a side-effect? I think you can
> revert it locally to get the crash.
> 
> r13-550 has no effect on this crash.

The code contains various comparisons of pointers in loops which might be
vectorized into V2DImode non-equality comparisons, so r13-552 is most likely
the fix you're looking for.  Especially if the problem doesn't exist before
r13-458.