[M3commit] CVS Update: cm3

[Jay Krell]

CVSROOT:	/usr/cvs
Changes by:	jkrell at birch.	07/11/29 13:23:51

Modified files:
	cm3/m3-sys/m3back/src/: M3x86.m3 Stackx86.m3 

Log message:
	optimize away shifts of 0