more tidying of x86 feature tests

Richard Henderson
Wed Mar 7 19:29:00 GMT 2007

On Wed, Mar 07, 2007 at 04:31:34PM +0100, Uros Bizjak wrote:
> Patch was tested on i686-pc-linux-gnu. If there are no objections,
> I'll commit this patch to SVN shortly.

This is not something appropriate for tune, because it
does *not* work for a subset of the 64-bit chips.  It
would have to be an arch switch instead.

Please just move your comment wrt p4 g1 down to the
TARGET_64BIT disable, and also add that the whole point
is moot because we should be using fcomi instead.


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