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* [Bug optimization/13796] New: [tree-ssa] consecutive stores to globals not removed
@ 2004-01-21 20:21 dann at godzilla dot ics dot uci dot edu
2004-01-21 20:24 ` [Bug optimization/13796] " pinskia at gcc dot gnu dot org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: dann at godzilla dot ics dot uci dot edu @ 2004-01-21 20:21 UTC (permalink / raw)
To: gcc-bugs
int glob1, glob2;
int foo1 (void)
{
glob1 = 0;
glob2 = 1;
glob1 = 2;
glob2 = 3;
return glob1 + glob2;
}
There should be 1 store to glob1 and glob2
the .optimized dump:
foo1 ()
{
<bb 0>:
glob1 = 0;
glob2 = 1;
glob1 = 2;
glob2 = 3;
return 5;
}
--
Summary: [tree-ssa] consecutive stores to globals not removed
Product: gcc
Version: tree-ssa
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: dann at godzilla dot ics dot uci dot edu
CC: gcc-bugs at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13796
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug optimization/13796] [tree-ssa] consecutive stores to globals not removed
2004-01-21 20:21 [Bug optimization/13796] New: [tree-ssa] consecutive stores to globals not removed dann at godzilla dot ics dot uci dot edu
@ 2004-01-21 20:24 ` pinskia at gcc dot gnu dot org
2004-01-21 21:49 ` dberlin at dberlin dot org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-01-21 20:24 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-01-21 20:24 -------
Confirmed, not even PTA helps.
--
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Keywords| |pessimizes-code
Last reconfirmed|0000-00-00 00:00:00 |2004-01-21 20:24:35
date| |
Target Milestone|--- |tree-ssa
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13796
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug optimization/13796] [tree-ssa] consecutive stores to globals not removed
2004-01-21 20:21 [Bug optimization/13796] New: [tree-ssa] consecutive stores to globals not removed dann at godzilla dot ics dot uci dot edu
2004-01-21 20:24 ` [Bug optimization/13796] " pinskia at gcc dot gnu dot org
@ 2004-01-21 21:49 ` dberlin at dberlin dot org
2004-02-18 8:14 ` dann at godzilla dot ics dot uci dot edu
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: dberlin at dberlin dot org @ 2004-01-21 21:49 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From dberlin at dberlin dot org 2004-01-21 21:49 -------
Subject: Re: [tree-ssa] consecutive stores to globals not removed
PTA will also take care of this one once i am completely done (this
might take a little longer).
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13796
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug optimization/13796] [tree-ssa] consecutive stores to globals not removed
2004-01-21 20:21 [Bug optimization/13796] New: [tree-ssa] consecutive stores to globals not removed dann at godzilla dot ics dot uci dot edu
2004-01-21 20:24 ` [Bug optimization/13796] " pinskia at gcc dot gnu dot org
2004-01-21 21:49 ` dberlin at dberlin dot org
@ 2004-02-18 8:14 ` dann at godzilla dot ics dot uci dot edu
2005-04-17 23:54 ` [Bug rtl-optimization/13796] " pinskia at gcc dot gnu dot org
2005-04-17 23:55 ` pinskia at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: dann at godzilla dot ics dot uci dot edu @ 2004-02-18 8:14 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From dann at godzilla dot ics dot uci dot edu 2004-02-18 08:13 -------
Fixed by DSE.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13796
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug rtl-optimization/13796] [tree-ssa] consecutive stores to globals not removed
2004-01-21 20:21 [Bug optimization/13796] New: [tree-ssa] consecutive stores to globals not removed dann at godzilla dot ics dot uci dot edu
` (2 preceding siblings ...)
2004-02-18 8:14 ` dann at godzilla dot ics dot uci dot edu
@ 2005-04-17 23:54 ` pinskia at gcc dot gnu dot org
2005-04-17 23:55 ` pinskia at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-04-17 23:54 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-04-17 23:54 -------
Well actually this no longer works because DSE does not understand V_MAY_DEF.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13796
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug rtl-optimization/13796] [tree-ssa] consecutive stores to globals not removed
2004-01-21 20:21 [Bug optimization/13796] New: [tree-ssa] consecutive stores to globals not removed dann at godzilla dot ics dot uci dot edu
` (3 preceding siblings ...)
2005-04-17 23:54 ` [Bug rtl-optimization/13796] " pinskia at gcc dot gnu dot org
@ 2005-04-17 23:55 ` pinskia at gcc dot gnu dot org
4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-04-17 23:55 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-04-17 23:55 -------
And that makes it a dup of bug 18880.
*** This bug has been marked as a duplicate of 18880 ***
--
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
Resolution| |DUPLICATE
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13796
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2005-04-17 23:55 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2004-01-21 20:21 [Bug optimization/13796] New: [tree-ssa] consecutive stores to globals not removed dann at godzilla dot ics dot uci dot edu
2004-01-21 20:24 ` [Bug optimization/13796] " pinskia at gcc dot gnu dot org
2004-01-21 21:49 ` dberlin at dberlin dot org
2004-02-18 8:14 ` dann at godzilla dot ics dot uci dot edu
2005-04-17 23:54 ` [Bug rtl-optimization/13796] " pinskia at gcc dot gnu dot org
2005-04-17 23:55 ` pinskia at gcc dot gnu dot org
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