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[Bug middle-end/37221] Missed early loop-unroll optimization - causes 40% degradation on SPU
- From: "rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 2 Sep 2008 13:10:20 -0000
- Subject: [Bug middle-end/37221] Missed early loop-unroll optimization - causes 40% degradation on SPU
- References: <bug-37221-13884@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from rguenther at suse dot de 2008-09-02 13:10 -------
Subject: Re: Missed early loop-unroll optimization -
causes 40% degradation on SPU
On Tue, 2 Sep 2008, tehila at il dot ibm dot com wrote:
> ------- Comment #8 from tehila at il dot ibm dot com 2008-09-02 12:47 -------
> Thank you, Richard!
>
> This patch indeed does the work and unrolls the loop.
> The SRA works fine and we get 40% improvement.
If you give the patch bootstrap & testing I'll approve it for trunk.
Richard.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37221