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Re: middle-end/7561: Prefetch merging code in gcc-3.1/gcc/loop.cincorect
- From: Wolfgang Bangerth <bangerth at ticam dot utexas dot edu>
- To: Janis Johnson <janis187 at us dot ibm dot com>
- Cc: gcc-bugs at gcc dot gnu dot org, <redmond at ecf dot utoronto dot ca>, <gcc-gnats at gcc dot gnu dot org>
- Date: Fri, 6 Dec 2002 13:56:18 -0600 (CST)
- Subject: Re: middle-end/7561: Prefetch merging code in gcc-3.1/gcc/loop.cincorect
> It was put on hold while IBM figured out new priorities for me. I plan
> to get back to it soon, this time testing performance changes on
> powerpc64-linux as well as ia64-linux. I'll separate out fixes from the
> other changes in case they can go in as bug fixes for 3.3.x and perhaps
> 3.2.x.
OK, thanks for your feedback. I put the PR back into "analyzed" mode.
It would be great if you could extract correctness patches from your
changes and apply them. (I guess, prefetching can probably never be
"wrong", it can only be useless, but you know what I mean.)
Thanks
Wolfgang
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Wolfgang Bangerth email: bangerth@ticam.utexas.edu
www: http://www.ticam.utexas.edu/~bangerth