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In assembler, how can we initialize the register to 0000?
Posted: Wed Jul 01, 2015 12:08 pm
by RoyW
Hi,
In assembler, how can we initialize the register to 0000? Are there some best practices to choose from? Appreicate your help.
Re: In assembler, how can we initialize the register to 0000
Posted: Wed Jul 01, 2015 3:14 pm
by enrico-sorichetti
Code: Select all
SR <your-reg>,<your-reg>
...
XR <your-reg>,<your-reg>
once upon a time
( when people looked at the smallest details to squeeze everything out of the CPU available )
XR was preferred for being slightly faster
nowadays the issue is probably irrelevant
Re: In assembler, how can we initialize the register to 0000
Posted: Tue Jul 21, 2015 10:22 pm
by RoyW
enrico thanks for your help.