Changing the default 32-bit x86 arch for Fedora 12

Gregory Maxwell gmaxwell at gmail.com
Tue Jun 16 17:11:59 UTC 2009


2009/6/16 梁穗隆 <liangsuilong at gmail.com>:
[snip]
> So I suggest that Fedora 12 change 32-bit x86 arch to i686+SSE, not
> i686+SSE2.

Before someone picks up this particular suggestion and runs with it:

SSE is not complete enough to replace x87. You don't get the kind of
gain from SSE only that you can get from SSE2.  The primary
application for SSE without SSE2 is hand optimized code… stuff that
already does runtime detection.




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