SOURCES: rpm-rpmrc.patch - [ix86] s/-mcpu/-mtune/. -mcpu is deprec...

[Paweł Sikora]

On Wednesday 22 of December 2004 00:11, Jakub Bogusz wrote:
> On Tue, Dec 21, 2004 at 10:29:45PM +0000, pluto wrote:
> > @@ -59,10 +59,10 @@
> >  -optflags: atariclone -O2 -g -fomit-frame-pointer
> >  -optflags: milan -O2 -g -fomit-frame-pointer
> >  -optflags: hades -O2 -g -fomit-frame-pointer
> > -+optflags: i386 -O2 -march=i386
> > -mcpu=pentium4%{!?nospecflags:%{?specflags:
> > %{specflags}}%{?specflags_ia32: %{specflags_ia32}}%{?specflags_i386:
> > %{specflags_i386}}} -+optflags: i486 -O2
> > -march=i486%{!?nospecflags:%{?specflags: %{specflags}}%{?specflags_ia32:
> > %{specflags_ia32}}%{?specflags_i486: %{specflags_i486}}} -+optflags: i586
> > -O2 -march=i586%{!?nospecflags:%{?specflags:
> > %{specflags}}%{?specflags_ia32: %{specflags_ia32}}%{?specflags_i586:
> > %{specflags_i586}}} -+optflags: i686 -O2 -march=i686
> > -mcpu=pentium4%{!?nospecflags:%{?specflags:
> > %{specflags}}%{?specflags_ia32: %{specflags_ia32}}%{?specflags_i686:
> > %{specflags_i686}}} ++optflags: i386 -O2 -march=i386
> > -mtune=pentium4%{!?nospecflags:%{?specflags:
> > %{specflags}}%{?specflags_ia32: %{specflags_ia32}}%{?specflags_i386:
> > %{specflags_i386}}} ++optflags: i486 -O2 -march=i486
> > -mtune=pentium4%{!?nospecflags:%{?specflags:
> > %{specflags}}%{?specflags_ia32: %{specflags_ia32}}%{?specflags_i486:
> > %{specflags_i486}}} ++optflags: i586 -O2 -march=i586
> > -mtune=pentium4%{!?nospecflags:%{?specflags:
> > %{specflags}}%{?specflags_ia32: %{specflags_ia32}}%{?specflags_i586:
> > %{specflags_i586}}} ++optflags: i686 -O2 -march=i686
> > -mtune=pentium4%{!?nospecflags:%{?specflags:
> > %{specflags}}%{?specflags_ia32: %{specflags_ia32}}%{?specflags_i686:
> > %{specflags_i686}}}
>
> I dlaczego wszystkie podarchitektury i[345]86 mają być optymalizowane
> pod pentium4???

a dlaczego tylko 386 i 686?. czy [45]86 cos na tym straca?
przeciez to tylko optymalziacja dla shedulera.
na nowszych prockach klasy celeron/pentium[34] powinno sie turlac szybciej.
na starych nic sie nie powinno zmienic.

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