Question: Explain why Cortex - M 4 processors do not provide any rotation left instructions. They only provide ROR ( rotate right ) and RRX (

Explain why Cortex-M4 processors do not provide any rotation left instructions. They only provide ROR (rotate right) and RRX (rotate right extended). i.e. Can it be done using other instructions?
Explain why Cortex-M4 processors do not provide any rotation left instructions.

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