nsz Git - libfirm/blob - ir/be/test/asmq3.c

   1 /*$ -fomit-frame-pointer -O3 $*/
   2
   3 int main(void)
   4 {
   5         int in = 42;
   6         int out;
   7         __asm__(
   8                         "xorl %%eax,%%eax\n"
   9                         "xorl %%ebx,%%ebx\n"
  10                         "xorl %%ecx,%%ecx\n"
  11                         "xorl %%edx,%%edx\n"
  12                         "xorl %%esi,%%esi\n"
  13                         "xorl %%edi,%%edi\n"
  14                         "movl %1,%0\n"
  15                         "incl %0\n"
  16                         : "=r" (out) : "r" (in)
  17                         : "eax", "ebx", "ecx", "edx", "esi", "edi", "cc"
  18         );
  19
  20         return out != 43;
  21 }