--- Comment #12 from ubizjak at gmail dot com 2007-07-04 05:53 ---
(In reply to comment #11)
It is up to bugmaster to reopen this PR, as the fix is not effective.
This is OK to leave as fixed.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23115
--- Comment #11 from ubizjak at gmail dot com 2007-07-01 13:40 ---
(In reply to comment #9)
PR tree-optimization/23115
* tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
relation.
This fix is not enough to solve problems described in Comment
--- Comment #9 from dpatel at gcc dot gnu dot org 2005-11-08 20:21 ---
Subject: Bug 23115
Author: dpatel
Date: Tue Nov 8 20:21:15 2005
New Revision: 106653
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=106653
Log:
PR tree-optimization/23115
* tree-if-conv.c
--- Comment #10 from pinskia at gcc dot gnu dot org 2005-11-08 22:13
---
Fixed.
--
pinskia at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #8 from dpatel at apple dot com 2005-11-08 02:22 ---
tree if-conversion was expecting perfect dimond, but it is not always true
after tree-cleanup-branch work. I've started overnight patch test run.
Hopefully, I'll send patch tomorrow for review.
--
--- Comment #7 from mmitchel at gcc dot gnu dot org 2005-10-31 04:23
---
I'm on the fence as to whether to call this P1 or P2. People have really
started to use -ftree-vectorize and it's a major advantage of the more recent
compilers over 3.4.x, so I'd really like to see this fixed.
--
pinskia at gcc dot gnu dot org changed:
What|Removed |Added
Severity|normal |critical
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23115
--- Additional Comments From dpatel at apple dot com 2005-09-30 23:52
---
Assign this bug to me. Thanks.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23115
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-30
23:54 ---
(In reply to comment #5)
Assign this bug to me. Thanks.
Done, you also now have the premissions to do that yourself.
--
What|Removed |Added
--- Additional Comments From janis at gcc dot gnu dot org 2005-09-09 22:18
---
A regression hunt of mainline on powerpc-linux shows that the test starts
failing with a merge from tree-cleanup-branch on 20050409. The test passes,
however, with a compiler built after the final patch was
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-08
20:03 ---
Before:
if (x_16 x_26) goto L3; else goto L14;
L14:;
# x_4 = PHI x_26(1), x_16(2);
L3:;
if (x_16 n_17) goto L6; else goto L15;
L15:;
# n_5 = PHI n_17(3), x_16(4);
L6:;
After:
x_4 = x_16
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-28
18:51 ---
This is caused by tree if conversion.
--
What|Removed |Added
Status|UNCONFIRMED
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