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Re: PowerPC suboptimal "add with carry" optimization

From: Joakim Tjernlund <joakim dot tjernlund at transmode dot se>
To: Ian Lance Taylor <iant at google dot com>
Cc: gcc at gcc dot gnu dot org
Date: Mon, 26 Apr 2010 09:13:30 +0200
Subject: Re: PowerPC suboptimal "add with carry" optimization
References: <OFDA9AAC5C.3EDC433D-ONC1257710.0045561D-C1257710.0047265E@transmode.se> <mcr7hnvqud4.fsf@dhcp-172-17-9-151.mtv.corp.google.com>

Ian Lance Taylor <iant@google.com> wrote on 2010/04/25 20:07:03:
> Joakim Tjernlund <joakim.tjernlund@transmode.se> writes:
>
> > Noticed that gcc 4.3.4 doesn't optimize "add with carry" properly:
>
> Please file a missed-optimization report according to
> http://gcc.gnu.org/bugs/ .  Thanks.

I rather not, going through all that just for one odd report. I was hoping
an interested part would pick it up from my email.

 Jocke

Follow-Ups:
- Re: PowerPC suboptimal "add with carry" optimization
  - From: Manuel López-Ibáñez

References:
- PowerPC suboptimal "add with carry" optimization
  - From: Joakim Tjernlund
- Re: PowerPC suboptimal "add with carry" optimization
  - From: Ian Lance Taylor

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