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* [Bug middle-end/19206] New: [cc0] insn-output.c should optimize sign-tests better
@ 2004-12-30 12:26 steven at gcc dot gnu dot org
2005-06-19 14:48 ` [Bug middle-end/19206] " pinskia at gcc dot gnu dot org
0 siblings, 1 reply; 3+ messages in thread
From: steven at gcc dot gnu dot org @ 2004-12-30 12:26 UTC (permalink / raw)
To: gcc-bugs
Item 122 from the old PROBLEMS file (no test case available):
----------------------------------------
When insn-output.c turns a bit-test into a sign-test, it should
see whether the condition code is already set up with that sign.
----------------------------------------
--
Summary: [cc0] insn-output.c should optimize sign-tests better
Product: gcc
Version: unknown
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: enhancement
Priority: P2
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: steven at gcc dot gnu dot org
CC: gcc-bugs at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19206
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug middle-end/19206] [cc0] insn-output.c should optimize sign-tests better
2004-12-30 12:26 [Bug middle-end/19206] New: [cc0] insn-output.c should optimize sign-tests better steven at gcc dot gnu dot org
@ 2005-06-19 14:48 ` pinskia at gcc dot gnu dot org
0 siblings, 0 replies; 3+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-06-19 14:48 UTC (permalink / raw)
To: gcc-bugs
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-06-19 14:48 -------
Confirmed.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Last reconfirmed|0000-00-00 00:00:00 |2005-06-19 14:48:40
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19206
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug middle-end/19206] [cc0] insn-output.c should optimize sign-tests better
[not found] <bug-19206-280@http.gcc.gnu.org/bugzilla/>
@ 2010-02-12 22:04 ` steven at gcc dot gnu dot org
0 siblings, 0 replies; 3+ messages in thread
From: steven at gcc dot gnu dot org @ 2010-02-12 22:04 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from steven at gcc dot gnu dot org 2010-02-12 22:04 -------
No test case. No action.
--
steven at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |INVALID
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19206
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2010-02-12 22:04 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2004-12-30 12:26 [Bug middle-end/19206] New: [cc0] insn-output.c should optimize sign-tests better steven at gcc dot gnu dot org
2005-06-19 14:48 ` [Bug middle-end/19206] " pinskia at gcc dot gnu dot org
[not found] <bug-19206-280@http.gcc.gnu.org/bugzilla/>
2010-02-12 22:04 ` steven at gcc dot gnu dot org
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