If BCD is the only thing it's applicable for I don't think it has much use - I can't imagine any modern compilers generating BCD instructions nor any hand-rolled assembly making use of it these days.
> Even Intel's x86 processors are moving away from the DAA instruction; it generates an invalid opcode exception in x86-64 mode.
That's the first I've heard of that so I'm guessing no one complained.
> Even Intel's x86 processors are moving away from the DAA instruction; it generates an invalid opcode exception in x86-64 mode.
That's the first I've heard of that so I'm guessing no one complained.