public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
* [Bug rtl-optimization/67481] New: [6 regression] gcc.c-torture/execute/20071216-1.c FAILs
@ 2015-09-07 14:05 ro at gcc dot gnu.org
2015-09-07 14:06 ` [Bug rtl-optimization/67481] " ro at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: ro at gcc dot gnu.org @ 2015-09-07 14:05 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67481
Bug ID: 67481
Summary: [6 regression] gcc.c-torture/execute/20071216-1.c
FAILs
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
CC: ebotcazou at gcc dot gnu.org, ktkachov at gcc dot gnu.org
Target Milestone: ---
Target: sparc*-sun-solaris2.*
Between 20150828 and 20150904, two testsuite regressions appeared on
Solaris/SPARC:
FAIL: gcc.c-torture/execute/20071216-1.c -O1 execution test
FAIL: gcc.c-torture/execute/20071216-1.c -Os execution test
The failures happen for 32-bit only:
Program received signal SIGABRT, Aborted.
[Switching to Thread 1 (LWP 1)]
0xff22ebd4 in _lwp_kill () from /lib/libc.so.1
(gdb) where
#0 0xff22ebd4 in _lwp_kill () from /lib/libc.so.1
#1 0xff1c7bb8 in raise () from /lib/libc.so.1
#2 0xff1a29f8 in abort () from /lib/libc.so.1
#3 0x00010ab8 in main ()
at
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.c-torture/execute/20071216-1.c:30
A reghunt identified this patch as the culprit:
The first bad revision is:
changeset: 24917:960cfd35a905
user: ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4
date: Tue Sep 01 12:33:51 2015 +0000
summary: [RTL-ifcvt] Make non-conditional execution if-conversion more
aggressive
Rainer
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug rtl-optimization/67481] [6 regression] gcc.c-torture/execute/20071216-1.c FAILs 2015-09-07 14:05 [Bug rtl-optimization/67481] New: [6 regression] gcc.c-torture/execute/20071216-1.c FAILs ro at gcc dot gnu.org @ 2015-09-07 14:06 ` ro at gcc dot gnu.org 2015-09-07 14:07 ` ktkachov at gcc dot gnu.org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: ro at gcc dot gnu.org @ 2015-09-07 14:06 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67481 Rainer Orth <ro at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |6.0 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug rtl-optimization/67481] [6 regression] gcc.c-torture/execute/20071216-1.c FAILs 2015-09-07 14:05 [Bug rtl-optimization/67481] New: [6 regression] gcc.c-torture/execute/20071216-1.c FAILs ro at gcc dot gnu.org 2015-09-07 14:06 ` [Bug rtl-optimization/67481] " ro at gcc dot gnu.org @ 2015-09-07 14:07 ` ktkachov at gcc dot gnu.org 2015-09-07 14:18 ` ro at CeBiTec dot Uni-Bielefeld.DE ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: ktkachov at gcc dot gnu.org @ 2015-09-07 14:07 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67481 --- Comment #1 from ktkachov at gcc dot gnu.org --- I'm testing a fix for PR 67456. Hopefully they have the same root cause and the patch will fix them all ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug rtl-optimization/67481] [6 regression] gcc.c-torture/execute/20071216-1.c FAILs 2015-09-07 14:05 [Bug rtl-optimization/67481] New: [6 regression] gcc.c-torture/execute/20071216-1.c FAILs ro at gcc dot gnu.org 2015-09-07 14:06 ` [Bug rtl-optimization/67481] " ro at gcc dot gnu.org 2015-09-07 14:07 ` ktkachov at gcc dot gnu.org @ 2015-09-07 14:18 ` ro at CeBiTec dot Uni-Bielefeld.DE 2015-09-28 8:26 ` ktkachov at gcc dot gnu.org 2015-09-28 8:29 ` ktkachov at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: ro at CeBiTec dot Uni-Bielefeld.DE @ 2015-09-07 14:18 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67481 --- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> --- > --- Comment #1 from ktkachov at gcc dot gnu.org --- > I'm testing a fix for PR 67456. > Hopefully they have the same root cause and the patch will fix them all Great: please let me know once the fix has been successfully tested so I can give it a whirl on sparc, too. Thanks. Rainer ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug rtl-optimization/67481] [6 regression] gcc.c-torture/execute/20071216-1.c FAILs 2015-09-07 14:05 [Bug rtl-optimization/67481] New: [6 regression] gcc.c-torture/execute/20071216-1.c FAILs ro at gcc dot gnu.org ` (2 preceding siblings ...) 2015-09-07 14:18 ` ro at CeBiTec dot Uni-Bielefeld.DE @ 2015-09-28 8:26 ` ktkachov at gcc dot gnu.org 2015-09-28 8:29 ` ktkachov at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: ktkachov at gcc dot gnu.org @ 2015-09-28 8:26 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67481 --- Comment #3 from ktkachov at gcc dot gnu.org --- Author: ktkachov Date: Mon Sep 28 08:25:36 2015 New Revision: 228195 URL: https://gcc.gnu.org/viewcvs?rev=228195&root=gcc&view=rev Log: [RTL-ifcvt] PR rtl-optimization/67481: Look more deeply for CCmode sets during if-covnersion PR rtl-optimization/67481 * ifcvt.c (contains_ccmode_rtx_p): New function. (insn_valid_noce_process_p): Use it. Modified: trunk/gcc/ChangeLog trunk/gcc/ifcvt.c ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug rtl-optimization/67481] [6 regression] gcc.c-torture/execute/20071216-1.c FAILs 2015-09-07 14:05 [Bug rtl-optimization/67481] New: [6 regression] gcc.c-torture/execute/20071216-1.c FAILs ro at gcc dot gnu.org ` (3 preceding siblings ...) 2015-09-28 8:26 ` ktkachov at gcc dot gnu.org @ 2015-09-28 8:29 ` ktkachov at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: ktkachov at gcc dot gnu.org @ 2015-09-28 8:29 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67481 ktkachov at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED --- Comment #4 from ktkachov at gcc dot gnu.org --- Fixed on trunk. ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2015-09-28 8:29 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2015-09-07 14:05 [Bug rtl-optimization/67481] New: [6 regression] gcc.c-torture/execute/20071216-1.c FAILs ro at gcc dot gnu.org 2015-09-07 14:06 ` [Bug rtl-optimization/67481] " ro at gcc dot gnu.org 2015-09-07 14:07 ` ktkachov at gcc dot gnu.org 2015-09-07 14:18 ` ro at CeBiTec dot Uni-Bielefeld.DE 2015-09-28 8:26 ` ktkachov at gcc dot gnu.org 2015-09-28 8:29 ` ktkachov at gcc dot gnu.org
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).