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[Bug libstdc++/24704] __gnu_cxx::__exchange_and_add is out of line and called even for single threaded applications using std::string
- From: "ahu at ds9a dot nl" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Nov 2005 17:00:41 -0000
- Subject: [Bug libstdc++/24704] __gnu_cxx::__exchange_and_add is out of line and called even for single threaded applications using std::string
- References: <bug-24704-7094@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from ahu at ds9a dot nl 2005-11-07 17:00 -------
I've now verified that even when the entire compiler is compiled with
--enable-threads=single, the resulting libstdc++ does the full 'lock; xadd'
thing in __exchange_and_add, which I consider a bug (and more importantly, so
does pinskia).
--
ahu at ds9a dot nl changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|enhancement |normal
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24704