> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Robert A. Rosenberg
>
> At 17:31 -0400 on 08/07/2009, Bill Fairchild wrote about Re: z10 and
> overlapping/destructive moves:
>
> >It certainly can't hurt to change the MVI/MVC to a single
instruction:
> > MVC 254(3,120),=120c' '
> >And, if possible, align the 120c' ' on at least a double word
boundary.
> >
> >Bill Fairchild
>
> I think that should be MVC 254(120,3),=120c' '
>
> A MVCL might also do the job (if you have the 4 needed registers
> free) and set the from length and location to 0 with x"20" as the
> fill character.
Probably "better" to use x'40' on an EBCDIC machine.... :-)
-jc-
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