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Re: SSE based conditional moves
> On Tue, Feb 27, 2001 at 02:16:34PM +0100, Jan Hubicka wrote:
> > Richard: What is the state of your considered tought concerning the reg-class
> > tweek to avoid those '#'? It is getting deadly.
>
> I'd like the register preferencing dump cost numbers to match up with
> whatever choice we make. Currently it is impossible to look at a dump
> and figure out what's going on.
What exactly do you mean by this?
The dump match choice - we choose prefered class by unifiing the cheapest
classes. In the dump you will see them as cheapest - all you need is
to unify in your mind.
Do you have some better idea how the dump should look like?
Honza
>
> > * i386.md (sse_mov?fcc*): New patterns and splitters.
> > * i386.c (ix86_expand_movcc): Work post-reload; recognize
> > the SSE based conditional moves.
>
> Ok.
>
>
> r~