https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126592
Tamar Christina <tnfchris at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Last reconfirmed| |2026-08-03
Assignee|unassigned at gcc dot gnu.org |tnfchris at gcc dot
gnu.org
Status|UNCONFIRMED |ASSIGNED
--- Comment #1 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
(In reply to ktkachov from comment #0)
> /* PR: candidate tree-vect-slp-patterns.cc:158 - wrong code.
>
> is_linear_load_p decides PERM_EVENEVEN from the parity of each load
> permutation entry alone, so {0,2,2,2} is accepted exactly like the
> intended {0,0,2,2}.
{0,0,2,2} is invalid too as the for linearity there can't be gaps.
Testing a patch.