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Re: PATCH: extra machine-dependent passes
- To: DJ Delorie <dj at redhat dot com>
- Subject: Re: PATCH: extra machine-dependent passes
- From: law at redhat dot com
- Date: Mon, 18 Jun 2001 08:25:58 -0700
- cc: meissner at cygnus dot com, gcc-patches at gcc dot gnu dot org
- Reply-To: law at redhat dot com
In message <200106160217.WAA23929@greed.delorie.com>you write:
> If there were some way for a pseudo-reg to be "assigned" the value of
> a hard reg from the beginning of the function (this is trivial to do
> now if you don't inline, but the inline case is troublesome) it could
> easily be MI.
We already do this for the PA to deal with the PIC register (for various
reasons we have a need to copy it into a pseudo and use the pseudo instead
of the PIC register).
It may be a good idea to talk with Alan Modra & John Anglin since they
did most of the work.
jeff