about sub instruction

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about sub instruction

Postby roMoon » Wed Jul 25, 2012 4:54 am

I am a new guy come to arm and I come across an instruction "SUB \reg0, \reg0, \reg1, lsl #STACK_BITS_PER_CPU".
In other assembly languages, SUB has 3 parameters, but this one have five. Please tell me what the instruction mean or provide me some references.

Thank you very much.
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Re: about sub instruction

Postby WarheadsSE » Wed Jul 25, 2012 12:24 pm

Just for you: http://bit.ly/QiXpiw
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