Start64!The conversion instructions cast and convert data from integers to floats and copy from SSE to x86 or MMX registers. There's many of them so we'll only look at a couple in examples. They are mostly pretty basic. We'll also look at how to set the rounding function in MXCSR and what C++ does when we cast floats.

x64 Assembly and C++ Tutorial 50: SSE Conversion Instructions - YouTube