Which is better option to use for dividing an integer number by 2?

Question

Which of the following techniques is the best option for dividing an integer by 2 and why?

Technique 1:

x = x >> 1;

Technique

Answer 1

Just an added note -

x *= 0.5 will often be faster in some VM-based languages -- notably actionscript, as the variable won't have to be checked for divide by 0.