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

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

c++ c optimization division micro-optimization

c

Is it possible to tell the branch predictor how likely it is to follow the branch?

c gcc x86 compiler-optimization micro-optimization

c

Fast method to copy memory with translation - ARGB to BGR

c x86 rgb sse micro-optimization

c

What is the fastest way to find if a number is even or odd?

c micro-optimization

c

Why does mulss take only 3 cycles on Haswell, different from Agner's instruction tables? (Unrolling FP loops with multiple accumulators)

c assembly x86 sse micro-optimization

c

Why is movl preferred to movb when translating a C downcast from unsigned int to unsigned char?

c assembly gcc x86 micro-optimization

c

Verifying compiler optimizations in gcc/g++ by analyzing assembly listings

c++ c compiler-construction assembly micro-optimization

c

Why does gcc compile f(1199) and f(1200) differently?

c gcc arm micro-optimization

c