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Re: bootstrap on powerpc fails
- From: Andrew Pinski <pinskia at physics dot uc dot edu>
- To: ghazi at caip dot rutgers dot edu (Kaveh R. GHAZI)
- Cc: ebotcazou at libertysurf dot fr (Eric Botcazou), pinskia at physics dot uc dot edu (Andrew Pinski), gcc at gcc dot gnu dot org, aj at suse dot de (Andreas Jaeger), bergner at vnet dot ibm dot com, mark at codesourcery dot com
- Date: Tue, 7 Nov 2006 18:57:54 -0500 (EST)
- Subject: Re: bootstrap on powerpc fails
>
> On Tue, 7 Nov 2006, Eric Botcazou wrote:
>
> > > But note this is with RTL checking enabled (--enable-checking=rtl).
> >
> > Can anyone refresh my memory: why is RTL checking disabled on the mainline?
> > Eric Botcazou
>
> I tried many years ago and Mark objected:
> http://gcc.gnu.org/ml/gcc-patches/2000-10/msg00756.html
>
> Perhaps we could take a second look at this decision? The average system
> has increased in speed many times since then. (Although sometimes I feel
> like bootstrapping time has increased at an even greater pace than chip
> improvements over the years. :-)
The other thing we could do is enable it only for stage1 (bootstrap's stage1) by default,
just like we do for normal checking[1].
Thanks,
Andrew Pinski
[1] well that was broken with toplevel bootstrap, see the patch at
http://gcc.gnu.org/ml/gcc-patches/2006-10/msg01231.html for the fix. We could extend
this for RTL checking also.