http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
vries at gcc dot gnu.org changed:
What|Removed |Added
Keywords||missed-optimization
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
--- Comment #13 from vries at gcc dot gnu.org 2012-07-06 11:22:15 UTC ---
Author: vries
Date: Fri Jul 6 11:22:12 2012
New Revision: 189324
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189324
Log:
2012-07-06 Tom de Vries
PR tree-o
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
--- Comment #12 from vries at gcc dot gnu.org 2012-07-06 11:22:10 UTC ---
Author: vries
Date: Fri Jul 6 11:22:06 2012
New Revision: 189323
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189323
Log:
2012-07-06 Tom de Vries
PR tree-o
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
--- Comment #12 from vries at gcc dot gnu.org 2012-07-06 11:22:10 UTC ---
Author: vries
Date: Fri Jul 6 11:22:06 2012
New Revision: 189323
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189323
Log:
2012-07-06 Tom de Vries
PR tree-o
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
--- Comment #11 from vries at gcc dot gnu.org 2012-04-27 06:35:30 UTC ---
All listed examples fixed in r186894.
Todo: follow-up with fix for:
...
struct S { int i; };
extern struct S foo (void);
extern int foo2 (void);
struct S s;
int bar (int c)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
--- Comment #10 from vries at gcc dot gnu.org 2012-04-27 06:28:55 UTC ---
Author: vries
Date: Fri Apr 27 06:28:49 2012
New Revision: 186895
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186895
Log:
2012-04-27 Tom de Vries
PR tree-o
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
--- Comment #9 from vries at gcc dot gnu.org 2012-04-27 06:12:55 UTC ---
Author: vries
Date: Fri Apr 27 06:12:49 2012
New Revision: 186894
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186894
Log:
2012-04-27 Tom de Vries
PR tree-op
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
--- Comment #8 from vries at gcc dot gnu.org 2012-02-01 11:20:31 UTC ---
submitted patch: http://gcc.gnu.org/ml/gcc-patches/2012-01/msg01513.html
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
vries at gcc dot gnu.org changed:
What|Removed |Added
Attachment #26430|0 |1
is obsolete|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
vries at gcc dot gnu.org changed:
What|Removed |Added
Status|NEW |ASSIGNED
AssignedTo|una
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
--- Comment #5 from vries at gcc dot gnu.org 2012-01-23 14:10:38 UTC ---
Created attachment 26430
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26430
Tentative patch
2012-01-23 Tom de Vries
PR tree-optimization/51879
tree-ssa-scc
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
--- Comment #3 from Richard Guenther 2012-01-18
10:45:01 UTC ---
(In reply to comment #2)
> I'm afraid a lot would break. It really depends on what you use VN for and on
> what code.
> If you have:
> D.12345_1 = bar (7);
> D.12346_2 = bar (7
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
--- Comment #2 from Jakub Jelinek 2012-01-18
10:36:39 UTC ---
I'm afraid a lot would break. It really depends on what you use VN for and on
what code.
If you have:
D.12345_1 = bar (7);
D.12346_2 = bar (7);
and bar isn't const/pure call, then
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51879
--- Comment #1 from vries at gcc dot gnu.org 2012-01-18 05:41:34 UTC ---
This works for the 3 examples:
...
Index: tree-ssa-sccvn.c
===
--- tree-ssa-sccvn.c (revision 182098)
+++ tree-
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