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* [Bug middle-end/22242] New: Removing unused static function variables
@ 2005-06-30 5:26 pinskia at gcc dot gnu dot org
2005-06-30 17:40 ` [Bug middle-end/22242] " steven at gcc dot gnu dot org
2005-07-13 3:07 ` pinskia at gcc dot gnu dot org
0 siblings, 2 replies; 3+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2005-06-30 5:26 UTC (permalink / raw)
To: gcc-bugs
We don't remove unused static function variables. Take the following code:
static int iii;
void f(int i)
{
i = 0;
if(i)
{
static int ii;
const char *c = __FUNCTION__;
iii = 0;
}
}
There should be no ii or reference to __FUNCTION__. We do remove the refence to iii though.
--
Summary: Removing unused static function variables
Product: gcc
Version: 4.0.1
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: enhancement
Priority: P2
Component: middle-end
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=22242
^ permalink raw reply [flat|nested] 3+ messages in thread* [Bug middle-end/22242] Removing unused static function variables 2005-06-30 5:26 [Bug middle-end/22242] New: Removing unused static function variables pinskia at gcc dot gnu dot org @ 2005-06-30 17:40 ` steven at gcc dot gnu dot org 2005-07-13 3:07 ` pinskia at gcc dot gnu dot org 1 sibling, 0 replies; 3+ messages in thread From: steven at gcc dot gnu dot org @ 2005-06-30 17:40 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From steven at gcc dot gnu dot org 2005-06-30 17:40 ------- Looks like a bug. Honza? -- What |Removed |Added ---------------------------------------------------------------------------- CC| |hubicka at gcc dot gnu dot | |org Status|UNCONFIRMED |NEW Ever Confirmed| |1 Last reconfirmed|0000-00-00 00:00:00 |2005-06-30 17:40:52 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22242 ^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug middle-end/22242] Removing unused static function variables 2005-06-30 5:26 [Bug middle-end/22242] New: Removing unused static function variables pinskia at gcc dot gnu dot org 2005-06-30 17:40 ` [Bug middle-end/22242] " steven at gcc dot gnu dot org @ 2005-07-13 3:07 ` pinskia at gcc dot gnu dot org 1 sibling, 0 replies; 3+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-07-13 3:07 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-13 03:02 ------- Fixed by: * cfgexpand.c (expand_one_stack_var): Do not expand variables when we do unit-at-a-time. Thanks Honza. -- What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED Target Milestone|--- |4.1.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22242 ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2005-07-13 3:03 UTC | newest] Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2005-06-30 5:26 [Bug middle-end/22242] New: Removing unused static function variables pinskia at gcc dot gnu dot org 2005-06-30 17:40 ` [Bug middle-end/22242] " steven at gcc dot gnu dot org 2005-07-13 3:07 ` pinskia at gcc dot gnu dot org
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