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In ARM assembly, how do you correctly define a label to mark the start of a loop?

easy📝 Factual Q3 of 15
ARM Architecture - Control Flow Instructions
In ARM assembly, how do you correctly define a label to mark the start of a loop?
Aloop;
Bloop:
C:loop
Dloop()
Step-by-Step Solution
Solution:

  1. Step 1: Recall label syntax

    Labels in ARM assembly end with a colon ':' to mark positions.

  2. Step 2: Evaluate options

    Only 'loop:' uses correct syntax; others are invalid.

  3. Final Answer:

    loop: -> Option B

  4. Quick Check:

    Labels end with colon ':' [OK]
Quick Trick: Labels end with ':' in ARM assembly [OK]
Common Mistakes:
  • Using semicolon instead of colon
  • Placing colon before label name
  • Using parentheses with labels

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