gcc/testsuite/gcc.dg/i386-asm-3.c

   1 /* PR inline-asm/6806 */
   2 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
   3 /* { dg-options "-O2" } */
   4
   5 extern void abort (void);
   6
   7 volatile int out = 1;
   8 volatile int a = 2;
   9 volatile int b = 4;
  10 volatile int c = 8;
  11 volatile int d = 16;
  12 volatile int e = 32;
  13 volatile int f = 64;
  14
  15 int
  16 main ()
  17 {
  18   asm volatile ("xorl %%eax, %%eax      \n\t"
  19                 "xorl %%esi, %%esi      \n\t"
  20                 "addl %1, %0            \n\t"
  21                 "addl %2, %0            \n\t"
  22                 "addl %3, %0            \n\t"
  23                 "addl %4, %0            \n\t"
  24                 "addl %5, %0            \n\t"
  25                 "addl %6, %0"
  26                 : "+r" (out)
  27                 : "r" (a), "r" (b), "r" (c), "g" (d), "g" (e), "g" (f)
  28                 : "%eax", "%esi");
  29
  30   if (out != 127)
  31     abort ();
  32
  33   return 0;
  34 }