ref: a80c579064560b4bcf8ed28ed857b6265dc5fd37
dir: /src/libc/arch/amd64/strcpy.s/
.file "strcpy.s" .text .globl strcpy,_strcpy strcpy: _strcpy: movq %rdi,%r9 movb $0,%al movq $-1,%rcx cld movq %rsi,%rdi repne scasb movq %rdi,%rcx subq %rsi,%rcx movq %r9,%rdi mov %rdi,%rax rep; movsb ret