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* [Bug other/43816] New: missed inline optimization for boost::shared_ptr::operator =
@ 2010-04-20 12:36 pluto at agmk dot net
2010-04-20 12:37 ` [Bug other/43816] " pluto at agmk dot net
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: pluto at agmk dot net @ 2010-04-20 12:36 UTC (permalink / raw)
To: gcc-bugs
please consider .einline2 and .optimized trees for the
boost::thread::start_thread() function from attached testcase.
the 4.3 optimize boost::shared_ptr<>::operator= pretty nice.
the 4.5 avoid operator= inlining.
moreover, the 4.5 code is bigger (152bytes vs 106bytes)
and contains more atomic operations due to temporary shared_ptr
swapping and assignments.
the testcase is big and horrible but the 'pretty 4.3 inlining'
dissapears during testcase reducing :/
--
Summary: missed inline optimization for
boost::shared_ptr::operator =
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pluto at agmk dot net
GCC build triplet: x86_64-gnu-linux
GCC host triplet: x86_64-gnu-linux
GCC target triplet: x86_64-gnu-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43816
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug other/43816] missed inline optimization for boost::shared_ptr::operator =
2010-04-20 12:36 [Bug other/43816] New: missed inline optimization for boost::shared_ptr::operator = pluto at agmk dot net
@ 2010-04-20 12:37 ` pluto at agmk dot net
2010-04-20 12:57 ` rguenth at gcc dot gnu dot org
2010-04-20 13:47 ` pluto at agmk dot net
2 siblings, 0 replies; 4+ messages in thread
From: pluto at agmk dot net @ 2010-04-20 12:37 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from pluto at agmk dot net 2010-04-20 12:36 -------
Created an attachment (id=20442)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20442&action=view)
testcase
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43816
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug other/43816] missed inline optimization for boost::shared_ptr::operator =
2010-04-20 12:36 [Bug other/43816] New: missed inline optimization for boost::shared_ptr::operator = pluto at agmk dot net
2010-04-20 12:37 ` [Bug other/43816] " pluto at agmk dot net
@ 2010-04-20 12:57 ` rguenth at gcc dot gnu dot org
2010-04-20 13:47 ` pluto at agmk dot net
2 siblings, 0 replies; 4+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-04-20 12:57 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from rguenth at gcc dot gnu dot org 2010-04-20 12:56 -------
Well. early inlining is then just lucky in 4.3 - the functions are really
too big for early inlining to inline fully. Btw, IPA inlining does inline
operator= into start_thread. In 4.3 we do not inline a destructor which
is why the 4.5 code is bigger.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43816
^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug other/43816] missed inline optimization for boost::shared_ptr::operator =
2010-04-20 12:36 [Bug other/43816] New: missed inline optimization for boost::shared_ptr::operator = pluto at agmk dot net
2010-04-20 12:37 ` [Bug other/43816] " pluto at agmk dot net
2010-04-20 12:57 ` rguenth at gcc dot gnu dot org
@ 2010-04-20 13:47 ` pluto at agmk dot net
2 siblings, 0 replies; 4+ messages in thread
From: pluto at agmk dot net @ 2010-04-20 13:47 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from pluto at agmk dot net 2010-04-20 13:47 -------
so it's an invalid PR.
--
pluto at agmk dot net changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |INVALID
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43816
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2010-04-20 13:47 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2010-04-20 12:36 [Bug other/43816] New: missed inline optimization for boost::shared_ptr::operator = pluto at agmk dot net
2010-04-20 12:37 ` [Bug other/43816] " pluto at agmk dot net
2010-04-20 12:57 ` rguenth at gcc dot gnu dot org
2010-04-20 13:47 ` pluto at agmk dot net
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