GO mask_amd64.go
// Code generated by command: go run mask_asm.go -pkg mem -out ../mem/mask_amd64.s -stubs ../mem/mask_amd64.go. DO NOT EDIT.
//go:build !purego
package mem
// Mask set bits of dst to zero and copies the one-bits of src to dst, returning the number of bytes written.
func Mask(dst []byte, src []byte) int