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* [Bug tree-optimization/15878] New: a & b & ~a & ~b not optimized at the tree level
@ 2004-06-08 18:36 pinskia at gcc dot gnu dot org
2004-06-20 20:38 ` [Bug tree-optimization/15878] " pinskia at gcc dot gnu dot org
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2004-06-08 18:36 UTC (permalink / raw)
To: gcc-bugs
>From looking at bugs which were fixed for 3.5.0 which were done on the RTL, I noticed this one (From
PR 5263).
int f(int a,int b) { return a&b~a&~b; }
--
Summary: a & b & ~a & ~b not optimized at the tree level
Product: gcc
Version: 3.5.0
Status: UNCONFIRMED
Keywords: missed-optimization, TREE
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=15878
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/15878] a & b & ~a & ~b not optimized at the tree level 2004-06-08 18:36 [Bug tree-optimization/15878] New: a & b & ~a & ~b not optimized at the tree level pinskia at gcc dot gnu dot org @ 2004-06-20 20:38 ` pinskia at gcc dot gnu dot org 2005-07-26 13:16 ` dberlin at gcc dot gnu dot org 2005-08-28 20:04 ` dberlin at gcc dot gnu dot org 2 siblings, 0 replies; 4+ messages in thread From: pinskia at gcc dot gnu dot org @ 2004-06-20 20:38 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-06-20 20:38 ------- Confirmed. -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed| |1 Last reconfirmed|0000-00-00 00:00:00 |2004-06-20 20:38:20 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15878 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/15878] a & b & ~a & ~b not optimized at the tree level 2004-06-08 18:36 [Bug tree-optimization/15878] New: a & b & ~a & ~b not optimized at the tree level pinskia at gcc dot gnu dot org 2004-06-20 20:38 ` [Bug tree-optimization/15878] " pinskia at gcc dot gnu dot org @ 2005-07-26 13:16 ` dberlin at gcc dot gnu dot org 2005-08-28 20:04 ` dberlin at gcc dot gnu dot org 2 siblings, 0 replies; 4+ messages in thread From: dberlin at gcc dot gnu dot org @ 2005-07-26 13:16 UTC (permalink / raw) To: gcc-bugs -- Bug 15878 depends on bug 21445, which changed state. Bug 21445 Summary: [meta-bug] we need a reassociate pass http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21445 What |Old Value |New Value ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15878 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug tree-optimization/15878] a & b & ~a & ~b not optimized at the tree level 2004-06-08 18:36 [Bug tree-optimization/15878] New: a & b & ~a & ~b not optimized at the tree level pinskia at gcc dot gnu dot org 2004-06-20 20:38 ` [Bug tree-optimization/15878] " pinskia at gcc dot gnu dot org 2005-07-26 13:16 ` dberlin at gcc dot gnu dot org @ 2005-08-28 20:04 ` dberlin at gcc dot gnu dot org 2 siblings, 0 replies; 4+ messages in thread From: dberlin at gcc dot gnu dot org @ 2005-08-28 20:04 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From dberlin at gcc dot gnu dot org 2005-08-28 20:00 ------- I have a patch for this -- What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |dberlin at gcc dot gnu dot |dot org |org Status|NEW |ASSIGNED Last reconfirmed|2005-05-01 16:29:30 |2005-08-28 20:00:06 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15878 ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2005-08-28 20:00 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2004-06-08 18:36 [Bug tree-optimization/15878] New: a & b & ~a & ~b not optimized at the tree level pinskia at gcc dot gnu dot org 2004-06-20 20:38 ` [Bug tree-optimization/15878] " pinskia at gcc dot gnu dot org 2005-07-26 13:16 ` dberlin at gcc dot gnu dot org 2005-08-28 20:04 ` dberlin at gcc dot gnu dot org
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