On Sun, Aug 8, 2010 at 7:56 AM, Uros Bizjak wrote:
> Hello!
>
> After recent discussions, I would like to propose a transition to
> -fomit-frame-pointer for x86_32.
>
> The transition should be smooth as much as possible, should have
> option to revert to old behaviour and still providing path for
On Sun, Aug 08, 2010 at 12:00:47PM -0500, Michael Witten wrote:
> On Sun, Aug 8, 2010 at 10:30, Andi Kleen wrote:
> >> > I like backtraces.
> >> >
> >>
> >> So, you will be able to use --enable-frame-pointer configure option.
> >>
> >> [1] http://gcc.gnu.org/ml/gcc-patches/2010-07/msg02034.html
>
On Sun, Aug 8, 2010 at 10:30, Andi Kleen wrote:
>> > I like backtraces.
>> >
>>
>> So, you will be able to use --enable-frame-pointer configure option.
>>
>> [1] http://gcc.gnu.org/ml/gcc-patches/2010-07/msg02034.html
>
> ... or use backtrace()
What kind of black magic would you expect backtrace(
On Sun, Aug 8, 2010 at 10:08, Uros Bizjak wrote:
> On Sun, Aug 8, 2010 at 5:00 PM, Michael Witten wrote:
>> On Sun, Aug 8, 2010 at 09:56, Uros Bizjak wrote:
>>>
>>> IMO, we have to bite the bullet from time to time in order to improve
>>> the generated code.
>>
>> What's your performance functio
> > I like backtraces.
> >
>
> So, you will be able to use --enable-frame-pointer configure option.
>
> [1] http://gcc.gnu.org/ml/gcc-patches/2010-07/msg02034.html
... or use backtrace()
-Andi
--
a...@linux.intel.com -- Speaking for myself only.
On 08/08/2010 05:08 PM, Uros Bizjak wrote:
> So, you will be able to use --enable-frame-pointer configure option.
Or, presumably the -fno-omit-frame-pointer command line option?
Bernd
On Sun, Aug 8, 2010 at 5:00 PM, Michael Witten wrote:
> On Sun, Aug 8, 2010 at 09:56, Uros Bizjak wrote:
>>
>> IMO, we have to bite the bullet from time to time in order to improve
>> the generated code.
>
> What's your performance function?
See measurements at [1].
>
> I like backtraces.
>
So
On Sun, Aug 8, 2010 at 09:56, Uros Bizjak wrote:
>
> IMO, we have to bite the bullet from time to time in order to improve
> the generated code.
What's your performance function?
I like backtraces.
Hello!
After recent discussions, I would like to propose a transition to
-fomit-frame-pointer for x86_32.
The transition should be smooth as much as possible, should have
option to revert to old behaviour and still providing path for the
improvement. And we have learned something from cld issues,
