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Using only two instructions, add a 64-bit integer contained in R2 and R3 to another 64-bit integer contained in R0 and R1, and place the result in R4 and R5.
(C) ADDS r4, r0, r2 ; ADCS r5, r1, r3 ;
Explanation:
ADDS r4, r0, r2 ; ADCS r5, r1, r3 ;