https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94019
Bug ID: 94019
Summary: [9 regression] gcc.dg/vect/vect-over-widen-17.c fails
starting with
g:370c2ebe8fa20e0812cd2d533d4ed38ee2d37c85, r9-1590
Product: gcc
Version: 9.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
This is an old issue that was never tracked down before.
It occurs only on power 7 (BE) in my testing.
Tue Mar 3 12:07:10 CST 2020
< previous run: g:3239dde94019f11e6c1a8c6ae2b3f7d944689148, r9-1589: 58
failures
> this run : g:370c2ebe8fa20e0812cd2d533d4ed38ee2d37c85, r9-1590: 60 failures
> FAIL: gcc.dg/vect/vect-over-widen-17.c -flto -ffat-lto-objects
> scan-tree-dump-not vect "vector[^\\n]*char"
> FAIL: gcc.dg/vect/vect-over-widen-17.c scan-tree-dump-not vect
> "vector[^\\n]*char"
This test case started failing with the change
commit 370c2ebe8fa20e0812cd2d533d4ed38ee2d37c85
Author: Richard Sandiford <richard.sandif...@arm.com>
Date: Tue Jul 3 09:59:37 2018 +0000
[14/n] PR85694: Rework overwidening detection
I am not sure if there is actually something going wrong here or if it is a
power 7 limitation that the test case runs into.
