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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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