What is the fastest way to convert float to int on x86

Question

What is the fastest way you know to convert a floating-point number to an int on an x86 CPU. Preferrably in C or assembly (that can be in-lined in C) for any combination of

Answer 1

Generally, you can trust the compiler to be efficient and correct. There is usually nothing to be gained by rolling your own functions for something that already exists in the compiler.