Hi：
Iimplementedvectorizationofthestrlenfunctionintheriscv64architecture, whichiscontrolledby__riscv_vectordefinition.Duetolackofsupportforrisc-vVexpansioninhardware, Iconductedperformancetestsonasimulator, whichwasmorethan10timestheperformanceachievedinClanguage. Intermsoffunctionality, Itestedthestringlengthfrom1byteto64Mb, andthealignmentofdifferentaddressesatthebeginningofthestring.




Please review it.I'm Looking forward to your reply,thanks.




Fei Zhang