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Re: MD representation of IA64 floating point operations

From: Richard Henderson <rth at twiddle dot net>
To: Zack Weinberg <zack at codesourcery dot com>
Cc: Jim Wilson <wilson at specifixinc dot com>, gcc at gcc dot gnu dot org, sje at cup dot hp dot com, Gary dot Tracy2 at hp dot com, Sverre dot Jarp at cern dot ch, Michal dot Kapalka at cern dot ch
Date: Fri, 23 Jul 2004 00:14:41 -0700
Subject: Re: MD representation of IA64 floating point operations
References: <200407222032.NAA20562@hpsje.cup.hp.com> <87hdrz1yu7.fsf@codesourcery.com> <1090540435.1074.56.camel@localhost> <878ydbh53v.fsf@codesourcery.com> <1090550463.1073.106.camel@localhost> <877jsvckmp.fsf@codesourcery.com>

On Thu, Jul 22, 2004 at 11:17:50PM -0700, Zack Weinberg wrote:
> I don't have 3.3 to hand and I'm too tired right now to experiment,
> but it occurred to me that it might work to have an input- operand
> predicate that accepted (float_extend:M (reg:N ...)) as well as
> (reg:M ...).  Is that the sort of thing that se_register_operand was
> doing?

Yes, except that it didn't really work.  Reload needs to be taught
how to deal with such things.


r~

References:
- MD representation of IA64 floating point operations
  - From: Zack Weinberg
- Re: MD representation of IA64 floating point operations
  - From: Jim Wilson
- Re: MD representation of IA64 floating point operations
  - From: Zack Weinberg
- Re: MD representation of IA64 floating point operations
  - From: Jim Wilson
- Re: MD representation of IA64 floating point operations
  - From: Zack Weinberg

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