PATCH: Add --with-arch=cpu (Re: Should gcc configurted for CPU to generate code for CPU by default?)

[Daniel Jacobowitz]

On Fri, Jul 19, 2002 at 10:55:47AM -0700, H. J. Lu wrote:
> On Fri, Jul 19, 2002 at 01:49:52PM -0400, Daniel Jacobowitz wrote:
> > > > 
> > > > Can't this be done at the driver level?  We have different handling of
> > > > 
> > > 
> > > What do you mean by that?
> > 
> > I.E. make the GCC driver supply a default value of -mcpu if none is
> > specified on the command line, the same way sane programs set defaults.
> > 
> 
> That is exactly what the gcc driver is doing today. My patch provides
> a way to choose a different default value for -march at the configure
> time. Without my change, the default value for -march is i386 for all
> ia32 processors and it is fixed.

No, that's not what the driver does today.  I mean that if the driver
was built with --with-arch=, and the driver does not see an -march=,
then the driver should supply one.  Then we won't need any changes to
backends.

-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer