https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92347
Richard Biener changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92347
--- Comment #8 from Richard Biener ---
Author: rguenth
Date: Tue Nov 12 07:54:01 2019
New Revision: 278079
URL: https://gcc.gnu.org/viewcvs?rev=278079=gcc=rev
Log:
2019-11-11 Andre Vieira
PR tree-optimization/92347
*
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92347
--- Comment #7 from avieira at gcc dot gnu.org ---
Thank you!
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92347
--- Comment #6 from Arseny Solokha ---
(In reply to avieira from comment #5)
> I think it would be useful to split testcases 2 and 3 into two new PR's as
> they are unrelated issues to 1.
PR92460 and PR92461, then.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92347
--- Comment #5 from avieira at gcc dot gnu.org ---
Not quite sure the third case has anything to do with epilogue vectorization
though... It still manifests itself with it turned off. Seems to be a lack of
"folding" again.
I think it would be
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92347
--- Comment #4 from avieira at gcc dot gnu.org ---
The second case seems to be because vectorizable_simd_clone_call seems to be
inserting values and phi-nodes on the epilogue's preheader edge which uses a
value defined in the main loop's
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92347
--- Comment #3 from avieira at gcc dot gnu.org ---
I had a look at the first testcase. I think the problem is I was setting the
epilogue's safelen to the loop's safelen, after the loop->safelen had been
cleared, as we do this after vectorization.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92347
--- Comment #2 from Arseny Solokha ---
I believe I have something that is a different manifestation of the same
problem.
1. gcc-10.0.0-alpha20191103 snapshot (r277758) ICEs when compiling the
following testcase reduced from
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92347
Martin Liška changed:
What|Removed |Added
Status|NEW |ASSIGNED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92347
Martin Liška changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
10 matches
Mail list logo