cmpstest2.s

来自「汇编代码示例」· S 代码 · 共 23 行

# cmpstest2.s - An example of using the REPE CMPS instruction
.section .data
value1:
   .ascii "This is a test of the CMPS instructions"
value2:
   .ascii "This is a test of the CMPS Instructions"
.section .text
.globl _start
_start:
   nop
   movl $1, %eax
   lea value1, %esi
   leal value2, %edi
   movl $39, %ecx
   cld
   repe cmpsb
   je equal
   movl %ecx, %ebx
   int $0x80
equal:
   movl $0, %ebx
   int $0x80