Re: [PATCH] 2.4.22-pre3: P3 and P4 for chekc_gcc

J.A. Magallon (jamagallon@able.es)
Thu, 10 Jul 2003 01:07:54 +0200


On 07.10, Jeff Garzik wrote:
> J.A. Magallon wrote:
> > --- linux-2.4.21-bp1/arch/i386/Makefile.orig 2003-06-18 23:40:25.000000000 +0200
> > +++ linux-2.4.21-bp1/arch/i386/Makefile 2003-06-18 23:59:25.000000000 +0200
> > @@ -53,11 +53,11 @@
> > endif
> >
> > ifdef CONFIG_MPENTIUMIII
> > -CFLAGS += -march=i686
> > +CFLAGS += $(call check_gcc,-march=pentium3,-march=i686)
> > endif
> >
> > ifdef CONFIG_MPENTIUM4
> > -CFLAGS += -march=i686
> > +CFLAGS += $(call check_gcc,-march=pentium4,-march=i686)
> > endif
>
>
> Looks ok to me (I run this patch locally, and also am the one who
> submitted the check_gcc patch).
>
> I haven't had any problems at all, but I'm curious if anyone has any
> negative feedback... It's rather easy to be conservative and ignore the
> patch, since -march=i686 should always work.
>

Just curious, what can go wrong ? Only if gcc has a bug when scheduling
insns for P4, for example, or if gcc spits some special that does not
work as supposed...

-- 
J.A. Magallon <jamagallon@able.es>      \                 Software is like sex:
werewolf.able.es                         \           It's better when it's free
Mandrake Linux release 9.2 (Cooker) for i586
Linux 2.4.22-pre2-jam1 (gcc 3.3 (Mandrake Linux 9.2 3.3-2mdk))
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