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Re: ifcvt too eager at verifing flow info?

To: Richard Henderson <rth at cygnus dot com>
Subject: Re: ifcvt too eager at verifing flow info?
From: Alexandre Oliva <aoliva at cygnus dot com>
Date: 25 May 2000 22:44:34 -0300
Cc: gcc-patches at gcc dot gnu dot org
Organization: Cygnus Solutions, a Red Hat Company
References: <ord7mh9kxw.fsf@tamanduatei.dcc.unicamp.br><20000520131208.D16789@cygnus.com><orsnvc690e.fsf@tamanduatei.dcc.unicamp.br><20000525165252.A26128@cygnus.com>

On May 25, 2000, Richard Henderson <rth@cygnus.com> wrote:

>         * ifcvt.c (seq_contains_jump): New.
>         (noce_try_store_flag_constants): Use it to fail conversion.
>         (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.

Cool!  Thanks!

I was thinking along the lines of adding arguments to emit functions
to indicate they shouldn't generate jump insns.  Your approach is far
simpler.  Great!

-- 
Alexandre Oliva    Enjoy Guaraná, see http://www.ic.unicamp.br/~oliva/
Cygnus Solutions, a Red Hat company        aoliva@{redhat, cygnus}.com
Free Software Developer and Evangelist    CS PhD student at IC-Unicamp
oliva@{lsd.ic.unicamp.br, gnu.org}   Write to mailing lists, not to me

References:
- ifcvt too eager at verifing flow info?
  - From: Alexandre Oliva
- Re: ifcvt too eager at verifing flow info?
  - From: Richard Henderson
- Re: ifcvt too eager at verifing flow info?
  - From: Alexandre Oliva
- Re: ifcvt too eager at verifing flow info?
  - From: Richard Henderson

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