Abstract: Using new Intel Core i7 instructions to speed up string manipulation. Created 15 years ago by Peter Kankowski Last changed 14 years ago Contributors: Dap and Adam Messinger Filed under Low-level code optimization The new instructions SSE 4.2 introduces four instructions (PcmpEstrI, PcmpEstrM, PcmpIstrI, and PcmpIstrM) that can be used to speed up text processing code (including strcmp, m