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Re: [PATCH, doc] Don't forbid generating pseudos in define_split
- From: Andrew Pinski <pinskia at gmail dot com>
- To: Maxim Kuvyrkov <maxim at codesourcery dot com>
- Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>, Bernd Schmidt <bernds at codesourcery dot com>
- Date: Wed, 23 Jun 2010 13:39:23 -0700
- Subject: Re: [PATCH, doc] Don't forbid generating pseudos in define_split
- References: <4C226EC0.8020204@codesourcery.com>
On Wed, Jun 23, 2010 at 1:29 PM, Maxim Kuvyrkov <maxim@codesourcery.com> wrote:
> GCC Internals still mentions a restriction from egcs era when new pseudos
> were not allowed to be generated after flow. ÂThis is not longer true and a
> number of architectures successfully generate new pseudos in their
> define_splits.
This restriction was removed when flow.c was removed in January 2006;
it is not just an egcs era restriction.
I would remove the reference to define_expand here because both have
the same restriction after (and during) reload.
Thanks,
Andrew Pinski