more tidying of x86 feature tests
Tue Mar 6 17:19:00 GMT 2007
On Tue, Mar 06, 2007 at 05:18:44PM +0100, Jan Hubicka wrote:
> does it really make CC1 smaller/faster?
Dunno; I forgot to save the old cc1.
> I would expect that in many
> places we test things like TARGET_something || TARGET_something_else
> that can be simplified into single & operation in the former scheme.
Yes, but here we have no and operations. That can't help but be
a bit faster.
> THe individual flags could probably use some more comments, I will try
> to put together something.
Yes. I think there are also some that are redundant. Particularly
wrt to QImode promotion, and partial register stall/dependencies.
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