[Bug target/37367] [4.4/4.5 Regression] gcc-4.4/4.5 speed regression

[rguenther at suse dot de]

------- Comment #8 from rguenther at suse dot de  2010-03-22 10:01 -------
Subject: Re:  [4.4/4.5 Regression] gcc-4.4/4.5 speed
 regression

On Sun, 21 Mar 2010, hjl dot tools at gmail dot com wrote:

> ------- Comment #7 from hjl dot tools at gmail dot com  2010-03-21 16:20 -------
> (In reply to comment #6)
> > Shouldn't there be a PR about the suboptimal performance from the core2 tuning
> > (in hopes that original contributors from Intel will revisit these issues)?
> > 
> 
> Intel didn't contribute -march=core2. I have been telling
> people to use -mtune=generic.

So should we make -march=core2 turn on -mtune=generic then?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37367