arm - What is the full form of Rd, Rn, Rm, Ra in assembly language? -


we use these terms often. why named not clear.

  • rd: destination register
  • rn: operand in register arithmetic operation.
  • rm: operand in register arithmetic operation.
  • ra: value in register used in addition or subtraction. think "accumulator"

you might take pass through arm assembly reference see examples of these being used in way.


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