On Aug 18, 2010, at 17:30, John R. Ehrman (408-463-3543 T/543-) wrote:

> I think the original posting was pointing out that you lose only
> a single byte of addressability by adding 4095, and that you save
> one instruction. The added byte is rarely an issue; whether or not
> the extra instruction is important depends on the application.
>
Making the CSECT 4 bytes longer to gain 1 byte of addressability
leaves you 3 bytes worse off.

>    (------------------ Referenced Note Follows --------------------)
> Sent: Wednesday, August 18, 2010 3:51 PM
>
> QMGREX01 CSECT ,
>         STM   R14,R12,12(R13)
>         LR    R11,R15
>         USING QMGREX01,R11,R12
>         LA    R12,4095(R11)
>         LA    R12,1(R12)   <----------------- noticed that I added 1 to
> the 4095 bump.

-- gil

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