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[Bug rtl-optimization/43892] PowerPC suboptimal "add with carry" optimization
- From: "joakim dot tjernlund at transmode dot se" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 26 Apr 2010 13:58:33 -0000
- Subject: [Bug rtl-optimization/43892] PowerPC suboptimal "add with carry" optimization
- References: <bug-43892-19087@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from joakim dot tjernlund at transmode dot se 2010-04-26 13:58 -------
Subject: Re: PowerPC suboptimal "add with carry" optimization
"dje at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> wrote on 2010/04/26
15:53:01:
>
> ------- Comment #3 from dje at gcc dot gnu dot org 2010-04-26 13:52 -------
> As Jakub mentioned, i386.md implements the addcc named pattern and rs6000.md
> does not provide that named pattern yet.
Will that also address the loop optimization? I don't think so.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43892