[M3commit] CVS Update: cm3

[Jay Krell]

CVSROOT:	/usr/cvs
Changes by:	jkrell at birch.	10/01/21 12:52:27

Modified files:
	cm3/m3-sys/m3back/src/: Codex86.i3 Codex86.m3 M3x86.m3 
	                        M3x86Rep.i3 Stackx86.m3 

Log message:
	initial guesses for: fence, store_ordered, load_ordered, compare_exchange, exchange
	MIA: fetch_and_op, any testing (is there frontend support?),
	support for other than 32 bit types, much clue how this stuff works :(
	compare_exchange should be willing to use other registers, presumably