0.8.3.13:

0.8.3.13:
	Implement better constant multiply routines
	... have a cutoff on Sparc, as measured by Raymond Toy
	... use LEA more on x86, as per cited paper
	... don't do anything at all (yet) on other architectures.  This
		needs to be fixed before 0.8.4, at least for PPC and
		Alpha