alttest.c

*****汇编语言程序设计 源代码*****

/* alttest.c - An example of using alternative placeholders */
#include <stdio.h>

int main()
{
   int data1 = 10;
   int data2 = 20;

   asm ("imull %[value1], %[value2]"
        : [value2] "=r"(data2)
        : [value1] "r"(data1), "0"(data2));

   printf("The result is %d\n", data2);
   return 0;
}