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Re: RFC & patch: Rework MIPS command-line handling
- From: "Maciej W. Rozycki" <macro at ds2 dot pg dot gda dot pl>
- To: Thiemo Seufer <ica2_ts at csv dot ica dot uni-stuttgart dot de>
- Cc: Eric Christopher <echristo at redhat dot com>, Richard Sandiford <rsandifo at redhat dot com>, gcc-patches at gcc dot gnu dot org, binutils at sources dot redhat dot com
- Date: Mon, 15 Jul 2002 07:32:53 +0200 (MET DST)
- Subject: Re: RFC & patch: Rework MIPS command-line handling
- Organization: Technical University of Gdansk
On Sun, 14 Jul 2002, Thiemo Seufer wrote:
> > >I'd prefer to select the default ABI at the configure time, from the
> > >target triplet ideally. E.g. I use a local patch that select the 64
> > >ABI as the default for binutils if configuring for mips64*-*-linux*.
> > >The same is set in the specs file for gcc for this target.
>
> I'd prefer this, too. My local patch for mips64*-*-linux* uses n32
> as default because n64 is only useful for OS kernels and WRT userland
> for large memory machines.
Or for testing 64-bit cleanness of software, which usually helps
portability. I'm particularly fond of running a 64-bit userland with
binaries linked at a base address of 0x120000000 (the default for
Alpha/Linux) or similar. This way pointer crops manifest immediately.
The performance hit, I may live with. Hence my local patch defaults to
64. It would be nice to be able to select the preference at the configure
time.
--
+ Maciej W. Rozycki, Technical University of Gdansk, Poland +
+--------------------------------------------------------------+
+ e-mail: macro@ds2.pg.gda.pl, PGP key available +