.text
        .global         mystrcmp

mystrcmp:
        pushl           %ebp
        movl            %esp, %ebp

        pushl           %edi
        pushl           %esi
        pushl           %ebx
        pushl           %ecx

        movl            8(%ebp), %edi
        movl            12(%ebp), %esi
        movzbl          (%edi), %ebx
        movzbl          (%esi), %ecx

        cmpl            %ebx, %ecx
        je              equal
        jg              greater
        jl              less

equal:
        movl            $0, %eax
        cmpl            %ebx, %eax
        je              ending
        incl            %edi
        incl            %esi
        movzbl          (%edi), %ebx
        movzbl          (%esi), %ecx

        cmpl            %ebx, %ecx
        je              equal
        jg              greater
        jl              less

greater:
        movl            $1, %eax
        jmp             ending

less:
        movl            $-1, %eax
        jmp             ending

ending:
        popl            %ecx
        popl            %ebx
        popl            %esi
        popl            %edi

        movl            %esp, %ebp
        popl            %ebp
        ret