Start64!The inserting and extracting instructions are mostly from SSE 4.1 (the PINSRW and PEXTRW are from SSE2). They can move any element from an SSE register to an x86 register (extract) or move an x86 register's value to any element in an SSE register.

x64 Assembly and C++ Tutorial 57: SSE Inserting and Extracting Instructions - YouTube