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Re: bootstrap failure on darwin6.1


> That deals with all the individual Altivec registers which go through
> GPRs, with XER, handles the CR_REGS vs. CR0_REGS preference, and
> describes the additional cost of 64-bit or 128-bit moves using shorter GPRs.

	That's a cute approach using sets, but it misses things like
128-bit FPR TFmode moves, I'll tweak that and post a revised version.
Also, if we are going to do this, we need to make MEMORY_MOVE_COST
smarter, which I am converting to a function as well.

David


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