reptest3.s

汇编代码示例

# reptest3.s - Moving a large string using MOVSL and MOVSB
.section .data
string1:
   .asciz "This is a test of the conversion program!\n"
length:
   .int 43
divisor:
   .int 4
.section .bss
   .lcomm buffer, 43
.section .text
.globl _start
_start:
   nop
   leal string1, %esi
   leal buffer, %edi
   movl length, %ecx
   shrl $2, %ecx
   cld
   rep movsl
   movl length, %ecx
   andl $3, %ecx
   rep movsb

   movl $1, %eax
   movl $0, %ebx
   int $0x80