[Bug tree-optimization/64024] [5 Regression] gcc.dg/vect/vect-simd-clone-6.c ICEs
jakub at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Mon Nov 24 16:16:00 GMT 2014
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64024
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #5)
> Generally calling SCEV analysis again during the transform phase asks for
> trouble
> (though it may work in most cases). This means that the simple_iv calls
> (which
> are mostly useless as computed stuff isn't actually used in most cases)
> should
> be avoided at transform time.
>
> Didn't look into this specific case but can do so (just assign the bug to me
> then).
I can handle the storing of the op/linear_step combo somewhere, just don't know
how to adjust it. Shall vect_update_inits_of_drs update those, or can it e.g.
stick the tree somewhere in the LOOP_VINFO (or its caller) and
vect_simd_clone_call use it?
More information about the Gcc-bugs
mailing list