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CANNOT_CHANGE_MODE_CLASS (was Re: CLASS_CANNOT_CHANGE_MODE* redesign)


On Fri, Oct 25, 2002 at 01:00:58PM -0700, Richard Henderson wrote:

Sigh, done.  Everyone's suggestions implemented.

No surprises except that some backends' CANNOT_CHANGE_MODE_CLASS macro
(sh and mips) were too hairy under the new interface, so I wrote them
as functions.

Also, some places where we only have the class and not the regno, we
have to use reg_classes_intersect_p with the new interface.

Bootstrapped and regtested on alpha-linux and ppc-linux.
Made cc1 for sh-elf, mips-elf, s390-linux, and ia64-linux.

As discussed previously, Michael's taking care of df.c and the new
register allocator.

I do hope everyone is not only thrilled and excited about the new
interface, but anxious to approve it.

Ok?

Aldy

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