ARM Architecture - Subroutines and Stack
Which ARM instruction is used to call a subroutine?
Which ARM instruction is used to call a subroutine?
easy📝 Factual Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Identify ARM instructions for subroutine calls
In ARM assembly, the 'BL' (Branch with Link) instruction calls a subroutine and saves the return address.Step 2: Differentiate from other instructions
MOV moves data, ADD adds numbers, CMP compares values; none call subroutines.Final Answer:
BL -> Option DQuick Check:
Subroutine call instruction = BL [OK]
Quick Trick: Use BL to call subroutines in ARM [OK]
Common Mistakes:
- Confusing MOV with subroutine call
- Using ADD or CMP to call subroutines
- Not saving return address with BL
Master "Subroutines and Stack" in ARM Architecture
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore ARM Architecture Quizzes