might a lurker ask questions?
if one rearranges the code at bottom as this, is the load of R2 "cheaper"
because it can be done in parallel w/the LT? is it worth doing if the JZ
is taken?
is 0(,R1) preferred to 0(R1) because of cost or esthetics?
LT R1,POINTER
L R2,INTVAL
JZ AROUND
ST R2,0(,R1)
AROUND DS 0H
> From: "McKown, John" <[email protected]>
> L R2,INTVAL
> LT R1,POINTER
> STOC R2,0(,R1),NZ
>
> instead of:
>
> LT R1,POINTER
> JZ AROUND
> L R2,INTVAL
> ST R2,0(,R1)
> AROUND DS 0H
>
> for the C construct:
>
> if (POINTER != NULL) *POINTER=INTVAL;
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