also: http://www.strchr.com/strcmp_and_strlen_using_sse_4.2 http://www.strchr.com/strcmp_and_strlen_using_sse_4.2 SSE 4.2 introduces four instructions (PcmpEst

also: http://www.strchr.com/strcmp_and_strlen_using_sse_4.2 http://www.strchr.com/strcmp_and_strlen_using_sse_4.2 SSE 4.2 introduces four instructions (PcmpEstrI, PcmpEstrM, PcmpIstrI, and PcmpIstrM) that can be used to speed up text processing code (including strcmp, memcmp, strstr, and strspn functions).