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* [Bug tree-optimization/23384] New: Clobber list should be flow sensitive @ 2005-08-14 6:17 pinskia at gcc dot gnu dot org 2005-08-31 16:04 ` [Bug tree-optimization/23384] " pinskia at gcc dot gnu dot org 0 siblings, 1 reply; 5+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-08-14 6:17 UTC (permalink / raw) To: gcc-bugs Take the following code: struct f { int i; int j; }; void g(void); void i(struct f*); int kk(void) { struct f a; int j; a.i = 1; a.j =2 ; g(); j = a.i; i(&a); return j; } --- j should be changed to 1 as the address of a is not escape until after the call to i so g should not get a call clobbered for the SFT's of a. -- Summary: Clobber list should be flow sensitive Product: gcc Version: 4.1.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: enhancement Priority: P2 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: pinskia at gcc dot gnu dot org CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23384 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/23384] Clobber list should be flow sensitive 2005-08-14 6:17 [Bug tree-optimization/23384] New: Clobber list should be flow sensitive pinskia at gcc dot gnu dot org @ 2005-08-31 16:04 ` pinskia at gcc dot gnu dot org 0 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-08-31 16:04 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-31 16:03 ------- Confirmed. -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed| |1 Last reconfirmed|0000-00-00 00:00:00 |2005-08-31 16:03:31 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23384 ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <bug-23384-6528@http.gcc.gnu.org/bugzilla/>]
* [Bug tree-optimization/23384] Clobber list should be flow sensitive [not found] <bug-23384-6528@http.gcc.gnu.org/bugzilla/> @ 2006-02-22 23:04 ` pinskia at gcc dot gnu dot org 2007-05-22 0:38 ` pinskia at gcc dot gnu dot org 1 sibling, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu dot org @ 2006-02-22 23:04 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from pinskia at gcc dot gnu dot org 2006-02-22 23:04 ------- *** Bug 26429 has been marked as a duplicate of this bug. *** -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rguenth at gcc dot gnu dot | |org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23384 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/23384] Clobber list should be flow sensitive [not found] <bug-23384-6528@http.gcc.gnu.org/bugzilla/> 2006-02-22 23:04 ` pinskia at gcc dot gnu dot org @ 2007-05-22 0:38 ` pinskia at gcc dot gnu dot org 1 sibling, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu dot org @ 2007-05-22 0:38 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from pinskia at gcc dot gnu dot org 2007-05-22 01:38 ------- PR 18412 is not really a flow sensitive issue, it is just may_alias getting confused by pointer addition which will be fixed with the merge of the pointer plus branch. -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- OtherBugsDependingO|18412 | nThis| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23384 ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <bug-23384-4@http.gcc.gnu.org/bugzilla/>]
* [Bug tree-optimization/23384] Clobber list should be flow sensitive [not found] <bug-23384-4@http.gcc.gnu.org/bugzilla/> @ 2014-01-05 23:14 ` pinskia at gcc dot gnu.org 0 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu.org @ 2014-01-05 23:14 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23384 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |patrick at parcs dot ath.cx --- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- *** Bug 59690 has been marked as a duplicate of this bug. *** ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2014-01-05 23:14 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2005-08-14 6:17 [Bug tree-optimization/23384] New: Clobber list should be flow sensitive pinskia at gcc dot gnu dot org 2005-08-31 16:04 ` [Bug tree-optimization/23384] " pinskia at gcc dot gnu dot org [not found] <bug-23384-6528@http.gcc.gnu.org/bugzilla/> 2006-02-22 23:04 ` pinskia at gcc dot gnu dot org 2007-05-22 0:38 ` pinskia at gcc dot gnu dot org [not found] <bug-23384-4@http.gcc.gnu.org/bugzilla/> 2014-01-05 23:14 ` pinskia at gcc dot gnu.org
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