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Re: How can I write an empty conversion instruction

From: Daniel Jacobowitz <drow at false dot org>
To: Steve Ellcey <sje at cup dot hp dot com>
Cc: gcc at gcc dot gnu dot org
Date: Fri, 6 May 2005 18:01:28 -0400
Subject: Re: How can I write an empty conversion instruction
References: <20050506210316.GA18697@nevyn.them.org> <200505062138.OAA19992@hpsje.cup.hp.com>

On Fri, May 06, 2005 at 02:38:30PM -0700, Steve Ellcey wrote:
> > You might want to try this instead:
> > 
> >   [(set (match_operand:DF 0 "fr_register_operand" "=f")
> >         (unspec:DF [(match_operand:SF 0 "fr_register_operand" "0")] UNSPEC_NOP_EXTEND))]
> > 
> > -- 
> > Daniel Jacobowitz
> > CodeSourcery, LLC
> 
> Nope.  GCC doesn't like seeing two match_operand's for op 0.

Er, yeah, correct the second 0 to a 1.  The point I was making was the
"0" constraint instead of a match_dup.

-- 
Daniel Jacobowitz
CodeSourcery, LLC

References:
- Re: How can I write an empty conversion instruction
  - From: Daniel Jacobowitz
- Re: How can I write an empty conversion instruction
  - From: Steve Ellcey

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