--- Comment #15 from hjl at gcc dot gnu dot org 2009-05-06 17:47 ---
Subject: Bug 40021
Author: hjl
Date: Wed May 6 17:45:40 2009
New Revision: 147195
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147195
Log:
2009-05-06 H.J. Lu
Backport from mainline:
2009-
--- Comment #14 from matz at gcc dot gnu dot org 2009-05-06 16:54 ---
Hence, fixed.
--
matz at gcc dot gnu dot org changed:
What|Removed |Added
Status|ASSIGNE
--- Comment #13 from matz at gcc dot gnu dot org 2009-05-06 16:50 ---
Subject: Bug 40021
Author: matz
Date: Wed May 6 16:49:13 2009
New Revision: 147186
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147186
Log:
PR middle-end/40021
* cfgexpand.c (maybe_cleanup_e
--- Comment #12 from hjl dot tools at gmail dot com 2009-05-06 15:48
---
(In reply to comment #11)
> (In reply to comment #10)
> > Yes, I'll clean this up before submission. Did it help?
> >
>
> I tried it on revision 147173 and it works on test input for
> 416.gamess and 465.tonto.
--- Comment #11 from hjl dot tools at gmail dot com 2009-05-06 14:27
---
(In reply to comment #10)
> Yes, I'll clean this up before submission. Did it help?
>
I tried it on revision 147173 and it works on test input for
416.gamess and 465.tonto. I am running reference input now. Than
--- Comment #10 from matz at gcc dot gnu dot org 2009-05-06 09:01 ---
Yes, I'll clean this up before submission. Did it help?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40021
--- Comment #9 from hjl dot tools at gmail dot com 2009-05-05 16:28 ---
(In reply to comment #8)
> Created an attachment (id=17803)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17803&action=view) [edit]
> fix for the problem
>
> I'm regstrapping this patch, it fixes the problem i
--- Comment #8 from matz at gcc dot gnu dot org 2009-05-05 16:11 ---
Created an attachment (id=17803)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17803&action=view)
fix for the problem
I'm regstrapping this patch, it fixes the problem in the testcase.
--
http://gcc.gnu.org/
--
mmitchel at gcc dot gnu dot org changed:
What|Removed |Added
Priority|P3 |P1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40021
--- Comment #7 from matz at gcc dot gnu dot org 2009-05-05 15:32 ---
The problem is the expansion of this code:
:
...
D.1650_109 = D.1648_107 | 1;
if (D.1650_109 != 0)
goto ;
else
goto ;
plus the fact that we need to insert something on edge 4->6. Note how the
condition
--- Comment #6 from irar at il dot ibm dot com 2009-05-05 12:41 ---
Reproduced on x86_64-suse-linux.
Seems that, somehow, the vectorized version of loop in line 29 is performed,
even though the number of scalar iterations is 1.
--
irar at il dot ibm dot com changed:
What
--
rguenth at gcc dot gnu dot org changed:
What|Removed |Added
Keywords||wrong-code
Target Milestone|--- |4.5.0
ht
--- Comment #5 from hjl dot tools at gmail dot com 2009-05-05 00:45 ---
Created an attachment (id=17800)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17800&action=view)
A testcase
[...@gnu-33 pr40021]$ make
/export/gnu/import/rrs/146817/usr/bin/gfortran -m32 -c -O2 -ftree-vectori
--- Comment #4 from hjl dot tools at gmail dot com 2009-05-04 23:09 ---
The vectorizer seems broken:
/export/gnu/import/rrs/146817/usr/bin/gfortran -m32 -c -O2 -ftree-vectorize
-msse2 -mfpmath=sse -ffast-math -ffixed-form test.f
/export/gnu/import/rrs/146817/usr/bin/gfortran -m32 -c -O
--- Comment #3 from hjl dot tools at gmail dot com 2009-05-04 23:07 ---
Created an attachment (id=17797)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17797&action=view)
A testcase
[...@gnu-33 pr40021]$ make
/export/gnu/import/rrs/146817/usr/bin/gfortran -m32 -c -O3 -msse2 -mfpmat
--- Comment #2 from hjl dot tools at gmail dot com 2009-05-04 21:53 ---
*** Bug 39973 has been marked as a duplicate of this bug. ***
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40021
--- Comment #1 from hjl dot tools at gmail dot com 2009-05-04 21:52 ---
*** Bug 39972 has been marked as a duplicate of this bug. ***
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40021
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