http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47012
--- Comment #9 from Nicola Pero 2010-12-21 11:38:56
UTC ---
Sure, go ahead and create a bug for it. We can make the change for 4.6 if we
make it safe. By the way, changing configure.ac is not a problem, we can do
that, particularly if it makes
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47012
--- Comment #8 from js-gcc at webkeks dot org
2010-12-21 11:26:37 UTC ---
Hm, a mutex can be a real problem there, I guess. Accessors are used all the
time, having a kernel lock each time will be a giant slowdown, especially as
most of the time,
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47012
--- Comment #7 from Nicola Pero 2010-12-21 10:56:33
UTC ---
Yes, I'll visit Fosdem - let's meet up there.
> In the code you linked, is that objc_mutex_t a spinlock? If not,
> this might be performance problem.
You are right, it's a normal lock.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47012
--- Comment #6 from js-gcc at webkeks dot org
2010-12-19 19:19:33 UTC ---
Well, I did not plan to get that included in 4.6.
If you are interested in optimizing the lookup: The lookup could be greatly
improved if we also change the ABI, which is
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47012
Nicola Pero changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47012
--- Comment #4 from Nicola Pero 2010-12-19 19:12:33
UTC ---
Yes, I was actually thinking about this, and you're right - it makes sense not
to use retain/autorelease! ;-)
'nonatomic' means that other threads are not involved. Which also means th
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47012
--- Comment #3 from Nicola Pero 2010-12-19 19:10:29
UTC ---
Author: nicola
Date: Sun Dec 19 19:10:26 2010
New Revision: 168070
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168070
Log:
In libobjc/:
2010-12-19 Nicola Pero
PR libob
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47012
--- Comment #2 from js-gcc at webkeks dot org
2010-12-19 18:49:39 UTC ---
Hi Nicola,
yes, I do remember our talk at FOSDEM and I plan to attend it next year again,
since I unfortunately could not attend it this year.
Well, I guess it's not real
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47012
Nicola Pero changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
