badregtest.c

汇编经典教程profession_assembly_language（Richard Blum著） 的code

/* badregtest.c - An example of incorrectly using the changed registers list */
#include <stdio.h>

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

   asm ("addl %1, %0"
        : "=d"(result)
        : "c"(data1), "0"(result)
        : "%ecx", "%edx");

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