--- Comment #11 from jakub at gcc dot gnu dot org 2010-08-25 21:27 ---
Fixed.
--
jakub at gcc dot gnu dot org changed:
What|Removed |Added
Status|ASSIGNED
--- Comment #10 from jakub at gcc dot gnu dot org 2010-08-25 21:25 ---
Subject: Bug 44858
Author: jakub
Date: Wed Aug 25 21:25:18 2010
New Revision: 163555
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163555
Log:
PR rtl-optimization/44858
* combine.c (try_combi
--- Comment #9 from jakub at gcc dot gnu dot org 2010-08-25 17:51 ---
Subject: Bug 44858
Author: jakub
Date: Wed Aug 25 17:50:59 2010
New Revision: 163552
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163552
Log:
PR rtl-optimization/44858
* combine.c (try_combin
--- Comment #8 from jakub at gcc dot gnu dot org 2010-08-25 14:01 ---
Created an attachment (id=21561)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21561&action=view)
gcc46-pr44858-2.patch
Alternate patch, which doesn't give up so easily (usually both sets can go in
any order, so
--- Comment #7 from jakub at gcc dot gnu dot org 2010-08-25 13:25 ---
Created an attachment (id=21560)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21560&action=view)
gcc46-pr44858.patch
The combiner bug seems to be similar to PR20322, attached untested patch should
fix it.
--
--- Comment #6 from rguenth at gcc dot gnu dot org 2010-07-31 09:29 ---
GCC 4.5.1 is being released, adjusting target milestone.
--
rguenth at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #5 from jakub at gcc dot gnu dot org 2010-07-22 09:36 ---
The VRP changes have been committed, so on the trunk this will be now
reproduceable only with -O1 or -O2 -fno-tree-vrp.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44858
--
rguenth at gcc dot gnu dot org changed:
What|Removed |Added
Priority|P3 |P2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44858
--
rguenth at gcc dot gnu dot org changed:
What|Removed |Added
Target Milestone|--- |4.5.1
Version|unknown |4.5.0
http://
--- Comment #4 from jakub at gcc dot gnu dot org 2010-07-08 14:44 ---
Created an attachment (id=21147)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21147&action=view)
gcc46-vrp.patch
So, combiner seems to be the first to notice that c must be actually zero
(2 & (x > y)).
This pat
--- Comment #3 from jakub at gcc dot gnu dot org 2010-07-08 10:01 ---
Updated testcase:
extern void abort (void);
int a = 3;
int b = 1;
__attribute__((noinline)) long long
foo (int x, int y)
{
return x / y;
}
__attribute__((noinline)) int
bar (void)
{
int c = 2;
c &= foo (1, b)
--- Comment #2 from jakub at gcc dot gnu dot org 2010-07-08 09:58 ---
Caused by http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=152642
--
jakub at gcc dot gnu dot org changed:
What|Removed |Added
---
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