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* x86_64: Implement evex512 version of strlen, strnlen, wcslen and wcsnlenSunil K Pandey2022-05-261-0/+4
This patch implements following evex512 version of string functions. Perf gain for evex512 version is up to 50% as compared to evex, depending on length and alignment. Placeholder function, not used by any processor at the moment. - String length function using 512 bit vectors. - String N length using 512 bit vectors. - Wide string length using 512 bit vectors. - Wide string N length using 512 bit vectors. Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>