[Simh] CMP R3,(R3)+

[Lars Brinkhoff]

Timothe Litt wrote:
> Your code doesn't use the condition codes, so there's no difference between
> your cmp and a TST (R3)+.

Thank you!

Rhialto wrote:
> OPR %R,(R)+ is listed as case 1. The difference between cases is
> whether R is incremented before using it as the source operand.

Yes, that's why PALX is complaining.

> Both instructions affect all 4 flags, so no code can already depend on
> preserving any.

Thanks!

I did this change, and alerted the original author. :-)