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Re: [new-regalloc] fix_truncdi_nomemory, fix_truncdi_memory.

From: Jan Hubicka <jh at suse dot cz>
To: Richard Henderson <rth at redhat dot com>, Jan Hubicka <jh at suse dot cz>,Denis Chertykov <denisc at overta dot ru>, Michael Matz <matz at suse dot de>,gcc-patches at gcc dot gnu dot org
Date: Tue, 20 Aug 2002 10:52:45 +0200
Subject: Re: [new-regalloc] fix_truncdi_nomemory, fix_truncdi_memory.
References: <auto-000003381565@overta.ru> <20020819174117.GF18980@kam.mff.cuni.cz> <20020819225451.GC22722@redhat.com>

> On Mon, Aug 19, 2002 at 07:41:17PM +0200, Jan Hubicka wrote:
> > The semantic of =&1f is that the operand can be eighter equivalent to
> > input operand 1 (so the register is clobbered in place) or some other FP
> > register, but different from all the input registers.
> > So & is ignored for "1" but holds for "f".
> 
> It would be much clearer if this got rewritten "=1,&f" then.
Isn't the earlyclobber global for all alternatives, like "=" is?

Honza
> 
> 
> r~

Follow-Ups:
- Re: [new-regalloc] fix_truncdi_nomemory, fix_truncdi_memory.
  - From: Michael Matz

References:
- [new-regalloc] fix_truncdi_nomemory, fix_truncdi_memory.
  - From: Denis Chertykov
- Re: [new-regalloc] fix_truncdi_nomemory, fix_truncdi_memory.
  - From: Jan Hubicka
- Re: [new-regalloc] fix_truncdi_nomemory, fix_truncdi_memory.
  - From: Richard Henderson

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