On terça-feira, 20 de agosto de 2013 07:23:28, Knoll Lars wrote:
> Here's another idea (no idea if we could make it work though): If the
> methods don't expose any of the Qt types as API, we could try putting all
> the #include's that we use in the implementation into an anonymous
> namespace.
Tha
On 20.08.13 09:15, "Thiago Macieira" wrote:
>On terça-feira, 20 de agosto de 2013 06:24:01, Knoll Lars wrote:
>> A slightly hacky solution might be to force inlining of inline methods
>>in
>> these files. With gcc, we could achieve that by defining inline to
>> __attribute__((always_inline)) on
On terça-feira, 20 de agosto de 2013 06:24:01, Knoll Lars wrote:
> A slightly hacky solution might be to force inlining of inline methods in
> these files. With gcc, we could achieve that by defining inline to
> __attribute__((always_inline)) on the top of the file that's being
> compiled.
That do
On 20.08.13 03:54, "Thiago Macieira" wrote:
>On quinta-feira, 15 de agosto de 2013 08:06:19, Thiago Macieira wrote:
>> > I'd agree that option (4) is the cleanest solution. Have you checked
>>how
>> > much we'd need to change to implement it?
>>
>> No, not yet.
>>
>> I don't think it will be
On quinta-feira, 15 de agosto de 2013 08:06:19, Thiago Macieira wrote:
> > I'd agree that option (4) is the cleanest solution. Have you checked how
> > much we'd need to change to implement it?
>
> No, not yet.
>
> I don't think it will be too hard because those routines are still fairly
> limit
On segunda-feira, 19 de agosto de 2013 07:56:43, Koehne Kai wrote:
> > We recommend people set the environment if they want different flags,
> > besides the stock from their compilers.
>
> Where do we recommend this? E.g.
>
> http://qt-project.org/doc/qt-5.0/qtdoc/install-x11.html
>
> just says
eira Sent: Monday, August 19, 2013 9:42 AM To:
development@qt-project.orgSubject: Re: [Development] QTBUG-30440:
restricting the SIMD files On segunda-feira, 19 de agosto de 2013
07:37:58, Koehne Kai wrote:
>>>
>>>> I don't know how big the
performance gains really are, but
On segunda-feira, 19 de agosto de 2013 07:37:58, Koehne Kai wrote:
> I don't know how big the performance gains really are, but if it's
> noticeable, why not switch the default for everyone using the default
> mkspec?
Switching the default means making it difficult to unset for those who want it
On quinta-feira, 15 de agosto de 2013 12:04:36, Thiago Macieira wrote:
> For MSVC, set CFLAGS on x86 to -arch:SSE2.
Actually, this is now the default on MSVC 2012.
So I suggest we use that version to compile Creator for the SDK, and leave the
Qt build to the native flags of the compiler in quest
On sexta-feira, 16 de agosto de 2013 11:53:45, Koehne Kai wrote:
> > I recommend:
> > CFLAGS (x86) = -march=i686 -mtune=core2 -msse2 -mfpmath=sse
> > CFLAGS (x86-64) = -mtune=core2
> > LFLAGS = -Wl,-O1 -Wl,--as-needed -Wl,-z,relro
> >
> >
> >
> > For MSVC, set CFLAGS on x86 to -a
On quinta-feira, 15 de agosto de 2013 17:01:49, Knoll Lars wrote:
> On 8/15/13 5:07 PM, "Sune Vuorela" wrote:
> >On 2013-08-15, Thiago Macieira wrote:
> >> Uh... no, I don't think we can assume that. I'm afraid of Sune and
> >>
> >>other
> >>
> >> distro packagers! :-)
> >
> >*whistles innocently
On quinta-feira, 15 de agosto de 2013 20:20:04, Oswald Buddenhagen wrote:
> On Thu, Aug 15, 2013 at 05:01:49PM +, Knoll Lars wrote:
> > On 8/15/13 5:07 PM, "Sune Vuorela" wrote:
> > >On 2013-08-15, Thiago Macieira wrote:
> > >> Uh... no, I don't think we can assume that. I'm afraid of Sune an
On quinta-feira, 15 de agosto de 2013 12:57:04, Knoll Lars wrote:
> >What's more, on x86, the default 32-bit build is just nonsense today.
> >CPUs
> >from the past 10 years from both Intel and AMD have had support for SSE2.
>
> THat's a somewhat separate problem, but I agree that it's time to fix
On quinta-feira, 15 de agosto de 2013 14:20:31, Christian Gagneraud wrote:
> > 1) Drop simd.prf and the runtime checking
> >
> > This means dropping the special builds. We'd #include the special files if
> > the user is building Qt for a special target.
>
> Can't you get rid of these special file
Hello all
I've been running through this problem for a while. I might have finally a
solution, but I'd like to see if there are other options and which of the
solutions we should go for.
== Quick medium-sized summary of the problem:
https://bugreports.qt-project.org/browse/QTBUG-30440
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