0.8.3.37:

0.8.3.37:
	Some more love and kisses to the ppc backend
	... the strength reduction we perform on sparc multiplications
		is going to be common to most architectures, so
	... factor out the reduction itself into a routine
	... use it in a PPC deftransform for *, with suitable cutoffs
	... some appropriate * vops, too
	Incidental cleanups in the ppc backend
	... declare D-SI instructions' operands to have the appropriate type
	... fix the shady dodgy dealing going on in the %LR macrofunction