x64 Assembly Tutorial 34: String Instructions 3, Compare and Move Strings

This tutorial will wrap up the final two string instructions. The compare strings and the Move strings. They use RDI and RSI. You can move from the source to the destination with the MOVS instruction and you can compare the source with the destination with the CMPS instruction. You can use repeat prefixes with both. The REP is for the Move instruction and the REPE/REPNE prefixes are for the CMP instruction. That finishes the string instructions, use them to operate on contiguous memory.