On Fri, 3 Aug 2012 17:11:04 +0300 (EEST)
Dimitrios Apostolou wrote:
> I got no replies, so I guess there is no will to move GCC to -O3 by
> default, so I shouldn't bother submitting a patch?
>
> As a reminder, cc1 is 0-4% faster but almost 10% bigger executable.
> Testsuite showed no regressio
Hello,
I am using cgraph_function_versioning() to create a duplicate
function, e.g. a clone. This usually has worked well for me in the
past, but I have run into an interesting case where the
tree_function_versioning() code is performing a split_edge() on the
successor of the entry basic block. W
Hi,
I am facing some weird issues with the optimization flags. I tried
posting this in the gcc-help but got no response. Here is my query:
I can see the flags enabled for each optimization level using "gcc -Q
-On -help=optimizers" (flags enabled)
Also, when I compile a program for a particular op
Snapshot gcc-4.8-20120805 is now available on
ftp://gcc.gnu.org/pub/gcc/snapshots/4.8-20120805/
and on various mirrors, see http://gcc.gnu.org/mirrors.html for details.
This snapshot has been generated from the GCC 4.8 SVN branch
with the following options: svn://gcc.gnu.org/svn/gcc/trunk
On Aug 5, 2012, at 3:50 PM, Perry Smith wrote:
>
> On Aug 5, 2012, at 1:09 PM, David Edelsohn wrote:
>
>> On Sun, Aug 5, 2012 at 9:56 AM, Perry Smith wrote:
>>
>>> I was planning on exploring when _GLOBAL__FD was called today. I
>>> need to figure out when gcc puts the call to the dtor in _G
On Aug 5, 2012, at 1:09 PM, David Edelsohn wrote:
> On Sun, Aug 5, 2012 at 9:56 AM, Perry Smith wrote:
>
>> I was planning on exploring when _GLOBAL__FD was called today. I
>> need to figure out when gcc puts the call to the dtor in _GLOBAL__FD
>> path rather than in the atexit path. The net
On Sun, Aug 5, 2012 at 9:56 AM, Perry Smith wrote:
> I was planning on exploring when _GLOBAL__FD was called today. I
> need to figure out when gcc puts the call to the dtor in _GLOBAL__FD
> path rather than in the atexit path. The net implies that "static" uses
> atexit while a global non-stat
On Sun, Aug 5, 2012 at 6:56 AM, Perry Smith wrote:
>
> Part of my confusion / concern is "why have two methods?"
> Does the spec say that dtors much be called at different times?
The use of _GLOBAL_FD in GCC is AIX-specific, and appears to be
required to get destructors in shared libraries to run
On Aug 4, 2012, at 11:56 PM, Ian Lance Taylor wrote:
> On Sat, Aug 4, 2012 at 2:43 PM, Perry Smith wrote:
>>
>> I hope I've researched this enough to ask decent questions.
>>
>> I'm running gcc 4.5.2. AIX 6.1 TL07 SP03.
>>
>> The essence of the problem is when a shared library is loaded, som
