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Re: msp430 port


> So it's a little unclear to me which patterns you removed.  Your message 
> has two patterns attached with comments they were to work around reload 
> issues.  Are these the patterns you removed?

Yes.  I was unable to reproduce the reload problems to which those
comments referred.

> First, if you can handle ASHIFT directly in PSImode, that's advantageous 
> for address calculations.

Yup, I have patterns for 1 and 2 bit shifts, which are all that really
happen.  They look remarkably like your patterns, but use a subreg on
0 instead of a truncate on the expression (again, that's what combine
was looking for, so that's what I put in).


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