ref: f53e048d3a57eeee135e2d8aa3cd72b7f3dc2711
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