--- Comment #16 from irar at gcc dot gnu dot org 2009-05-11 11:54 ---
Subject: Bug 40074
Author: irar
Date: Mon May 11 11:54:02 2009
New Revision: 147370
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=147370
Log:
PR tree-optimization/40074
* tree-vect-analyze.c
--- Comment #17 from irar at gcc dot gnu dot org 2009-05-11 12:33 ---
Subject: Bug 40074
Author: irar
Date: Mon May 11 12:33:13 2009
New Revision: 147372
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=147372
Log:
PR tree-optimization/40074
* tree-vect-data-refs.c
--- Comment #18 from irar at il dot ibm dot com 2009-05-11 12:45 ---
Fixed.
--
irar at il dot ibm dot com changed:
What|Removed |Added
Status|ASSIGNED
--- Comment #12 from rguenth at gcc dot gnu dot org 2009-05-10 09:14
---
Well, that revision only enabled vectorization support for more things...
(which is probably what makes this a regression in the first place).
--
rguenth at gcc dot gnu dot org changed:
What
--- Comment #13 from irar at il dot ibm dot com 2009-05-10 09:20 ---
(In reply to comment #12)
Well, that revision only enabled vectorization support for more things...
(which is probably what makes this a regression in the first place).
Right, I think it is something in the strided
--- Comment #14 from irar at il dot ibm dot com 2009-05-10 11:00 ---
I am testing:
Index: tree-vect-data-refs.c
===
--- tree-vect-data-refs.c (revision 147329)
+++ tree-vect-data-refs.c (working copy)
@@
--- Comment #15 from hjl dot tools at gmail dot com 2009-05-10 16:11
---
(In reply to comment #14)
I am testing:
Index: tree-vect-data-refs.c
===
--- tree-vect-data-refs.c (revision 147329)
+++
--- Comment #5 from hjl dot tools at gmail dot com 2009-05-09 22:02 ---
This is caused by revision 145494:
http://gcc.gnu.org/ml/gcc-cvs/2009-04/msg00115.html
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40074
--- Comment #6 from rguenth at gcc dot gnu dot org 2009-05-09 22:10 ---
How can that be if the bug also happens on the 4.4 branch?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40074
--- Comment #7 from hjl dot tools at gmail dot com 2009-05-09 22:15 ---
(In reply to comment #6)
How can that be if the bug also happens on the 4.4 branch?
The testcase in comment #4 compiles fine with gcc 4.4.1.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40074
--- Comment #8 from hjl dot tools at gmail dot com 2009-05-09 22:31 ---
(In reply to comment #1)
Created an attachment (id=17832)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17832action=view) [edit]
Preprocessed source of source that triggers ICE
This was introduced between
--- Comment #9 from jakub at gcc dot gnu dot org 2009-05-09 22:54 ---
The original testcase failure fails with both 4.4.x and trunk and was
introduced between 138524 and 138811. The reduced testcase only fails on the
trunk, not on the 4.4 branch.
--
--- Comment #10 from jakub at gcc dot gnu dot org 2009-05-10 00:08 ---
r138553 in particular. -O2 -ftree-vectorize -m32 -msse2 is needed to reproduce
it.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40074
--- Comment #11 from hjl dot tools at gmail dot com 2009-05-10 00:23
---
It is caused by revision 138553:
http://gcc.gnu.org/ml/gcc-cvs/2008-08/msg00112.html
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40074
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