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* [Bug tree-optimization/49496] New: [4.7 Regression] -fcompare-debug failure (length) with -O -ftree-vectorize
@ 2011-06-21 20:04 zsojka at seznam dot cz
2011-06-22 9:17 ` [Bug tree-optimization/49496] " rguenth at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: zsojka at seznam dot cz @ 2011-06-21 20:04 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49496
Summary: [4.7 Regression] -fcompare-debug failure (length) with
-O -ftree-vectorize
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
CC: aoliva@gcc.gnu.org
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 24577
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24577
reduced testcase
This still happens after fixing PR49352
Compiler output:
$ gcc -O -ftree-vectorize -fcompare-debug testcase.c
gcc: error: testcase.c: -fcompare-debug failure (length)
Generated code differs a lot with/without -g.
Tested revisions:
r175265 - fail
4.6 r175269 - OK
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug tree-optimization/49496] [4.7 Regression] -fcompare-debug failure (length) with -O -ftree-vectorize 2011-06-21 20:04 [Bug tree-optimization/49496] New: [4.7 Regression] -fcompare-debug failure (length) with -O -ftree-vectorize zsojka at seznam dot cz @ 2011-06-22 9:17 ` rguenth at gcc dot gnu.org 2011-06-22 9:25 ` [Bug debug/49496] " jakub at gcc dot gnu.org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2011-06-22 9:17 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49496 Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |4.7.0 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug debug/49496] [4.7 Regression] -fcompare-debug failure (length) with -O -ftree-vectorize 2011-06-21 20:04 [Bug tree-optimization/49496] New: [4.7 Regression] -fcompare-debug failure (length) with -O -ftree-vectorize zsojka at seznam dot cz 2011-06-22 9:17 ` [Bug tree-optimization/49496] " rguenth at gcc dot gnu.org @ 2011-06-22 9:25 ` jakub at gcc dot gnu.org 2011-06-22 9:32 ` jakub at gcc dot gnu.org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: jakub at gcc dot gnu.org @ 2011-06-22 9:25 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49496 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2011.06.22 09:24:57 CC| |jakub at gcc dot gnu.org Component|tree-optimization |debug AssignedTo|unassigned at gcc dot |jakub at gcc dot gnu.org |gnu.org | Ever Confirmed|0 |1 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug debug/49496] [4.7 Regression] -fcompare-debug failure (length) with -O -ftree-vectorize 2011-06-21 20:04 [Bug tree-optimization/49496] New: [4.7 Regression] -fcompare-debug failure (length) with -O -ftree-vectorize zsojka at seznam dot cz 2011-06-22 9:17 ` [Bug tree-optimization/49496] " rguenth at gcc dot gnu.org 2011-06-22 9:25 ` [Bug debug/49496] " jakub at gcc dot gnu.org @ 2011-06-22 9:32 ` jakub at gcc dot gnu.org 2011-06-22 20:39 ` jakub at gcc dot gnu.org 2011-07-04 8:20 ` jakub at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: jakub at gcc dot gnu.org @ 2011-06-22 9:32 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49496 --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-06-22 09:32:08 UTC --- Created attachment 24579 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24579 gcc47-pr49496.patch Untested fix. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug debug/49496] [4.7 Regression] -fcompare-debug failure (length) with -O -ftree-vectorize 2011-06-21 20:04 [Bug tree-optimization/49496] New: [4.7 Regression] -fcompare-debug failure (length) with -O -ftree-vectorize zsojka at seznam dot cz ` (2 preceding siblings ...) 2011-06-22 9:32 ` jakub at gcc dot gnu.org @ 2011-06-22 20:39 ` jakub at gcc dot gnu.org 2011-07-04 8:20 ` jakub at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: jakub at gcc dot gnu.org @ 2011-06-22 20:39 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49496 --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-06-22 20:37:58 UTC --- Author: jakub Date: Wed Jun 22 20:37:54 2011 New Revision: 175314 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175314 Log: PR debug/49496 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Ignore debug uses. * gcc.dg/pr49496.c: New test. Added: trunk/gcc/testsuite/gcc.dg/pr49496.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vect-patterns.c ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug debug/49496] [4.7 Regression] -fcompare-debug failure (length) with -O -ftree-vectorize 2011-06-21 20:04 [Bug tree-optimization/49496] New: [4.7 Regression] -fcompare-debug failure (length) with -O -ftree-vectorize zsojka at seznam dot cz ` (3 preceding siblings ...) 2011-06-22 20:39 ` jakub at gcc dot gnu.org @ 2011-07-04 8:20 ` jakub at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: jakub at gcc dot gnu.org @ 2011-07-04 8:20 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49496 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-07-04 08:20:22 UTC --- Fixed. ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2011-07-04 8:20 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2011-06-21 20:04 [Bug tree-optimization/49496] New: [4.7 Regression] -fcompare-debug failure (length) with -O -ftree-vectorize zsojka at seznam dot cz 2011-06-22 9:17 ` [Bug tree-optimization/49496] " rguenth at gcc dot gnu.org 2011-06-22 9:25 ` [Bug debug/49496] " jakub at gcc dot gnu.org 2011-06-22 9:32 ` jakub at gcc dot gnu.org 2011-06-22 20:39 ` jakub at gcc dot gnu.org 2011-07-04 8:20 ` jakub at gcc dot gnu.org
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