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[Bug libstdc++/37455] Code bloat for ostream.widen('\n')
- From: "M dot Froehlich at science-computing dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Sep 2008 15:38:08 -0000
- Subject: [Bug libstdc++/37455] Code bloat for ostream.widen('\n')
- References: <bug-37455-14362@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from M dot Froehlich at science-computing dot de 2008-09-10 15:38 -------
(In reply to comment #5)
> Yes, but frankly it's unlikely that in 4.4.0 timeframe, also given the ABI
> constraints, we can change the libstdc++ implementation, which admittedly has
> too much code inline in this area, enough to solve this problem. We are just
> unlucky that 4.3.x was less aggressive at -O3, nothing changed lately (and also
> less recently) on the library side...
Ok, one idea I have while reading your comment:
Gcc has that per function optimization attributes - may be an
__attribute__((optimize ('Os'))) or something similar helps for some selected
functions in this area?
Greetings
Mathias
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37455