What is Comparison Instructions in ARM?

All Questions › Category: Embedded System › What is Comparison Instructions in ARM?

0 Vote Up Vote Down

<img alt='' src='https://secure.gravatar.com/avatar/72e7abc8c14a8c6f29e6974efa23cf6b?s=48&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/72e7abc8c14a8c6f29e6974efa23cf6b?s=96&d=mm&r=g 2x' class='avatar avatar-48 photo' height='48' width='48' decoding='async'/>

Chetan Shidling Staff asked 5 years ago

I need short information.

1 Answers

0 Vote Up Vote Down

<img alt='' src='https://secure.gravatar.com/avatar/72e7abc8c14a8c6f29e6974efa23cf6b?s=48&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/72e7abc8c14a8c6f29e6974efa23cf6b?s=96&d=mm&r=g 2x' class='avatar avatar-48 photo' height='48' width='48' decoding='async'/>

Chetan Shidling Staff answered 5 years ago

Comparison instructions are utilized to compare or test a register with a 32-bit value.
They update CPSR flag bits according to the result but do not modify other registers.
After the bits have been set, the information can then be utilized to change program flow by using conditional execution.