[MPlayer-dev-eng] Re: [PATCH] Enable FTZ/DAZ for SSE

[Zuxy Meng]

Hi,

2007/3/20, Zuxy Meng <zuxy.meng at gmail.com>:
> Hi,
>
> 2007/3/7, Loren Merritt <lorenm at u.washington.edu>:
> > On Tue, 6 Mar 2007, Zuxy Meng wrote:
> > > 2007/3/6, Diego Biurrun <diego at biurrun.de>:
> > >> On Tue, Mar 06, 2007 at 07:46:47PM +0800, Zuxy Meng wrote:
> > >>>
> > >>>  mplayer$(EXESUF): $(MPLAYER_DEPS)
> > >>> -     $(CC) -o $@ $^ $(LDFLAGS_MPLAYER)
> > >>> +     $(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS_MPLAYER)
> > >>
> > >> Looks incorrect.  This is the linking stage, compilation flags should
> > >> not be necessary here.
> > >
> > > There's an "endfile" line in the specs file which looks like
> > > %{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}
> > >
> > > So an additional object file gets linked in if -ffast-math or
> > > -funsafe-math-optimizations is in the command line. It doesn't affect
> > > compilation really but the link stage instead.
> >
> > Then those flags should go in LDFLAGS in addition to CFLAGS.
>
> But actually this flag isn't passed to a linker; only gcc can recognize it.

More comments on this?
-- 
Zuxy
Beauty is truth,
While truth is beauty.
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