https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87546
Jakub Jelinek changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87546
--- Comment #7 from Jakub Jelinek ---
Author: jakub
Date: Sat Nov 17 15:10:48 2018
New Revision: 266237
URL: https://gcc.gnu.org/viewcvs?rev=266237=gcc=rev
Log:
PR tree-optimization/87546
* tree-vect-patterns.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87546
--- Comment #6 from Jakub Jelinek ---
Created attachment 45026
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45026=edit
gcc9-pr87546.patch
Untested fix.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87546
--- Comment #5 from Jakub Jelinek ---
So, I think the bug is in vect_look_through_possible_promotion, which doesn't
do what it claims to do is that what it returns can be cast to unprom->type and
then promoted to final precision and that it is
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87546
Jakub Jelinek changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|unassigned
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87546
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #4
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87546
--- Comment #3 from graham.stott77 at gmail dot com ---
'b' is never assigned a value, so surely it's undefined
Original message
From: helloqirun at gmail dot com
Date: 08/10/2018 04:51 (GMT+00:00)
To: gcc-bugs@gcc.gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87546
Martin Liška changed:
What|Removed |Added
CC||marxin at gcc dot gnu.org
--- Comment #2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87546
Richard Biener changed:
What|Removed |Added
Target||x86_64-*-*
