regtest2.c

来自「汇编经典教程profession_assembly_language（Richa」· C语言 代码 · 共 18 行

/* regtest2.c - An example of using placeholders */
#include <stdio.h>

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

   asm ("imull %1, %2\n\t"
        "movl %2, %0"
        : "=r"(result)
        : "r"(data1), "r"(data2));

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