gcc/testsuite/gcc.target/i386/20011029-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 int foo (int s)
   5 {
   6   for (;;)
   7     {
   8       int a[32];
   9       int y, z;
  10       __asm__ __volatile__ ("" : "=c" (y), "=D" (z)
  11                             : "a" (0), "0" (32), "1" (a) : "memory");
  12       if (({ register char r;
  13              __asm__ __volatile__ ("" : "=q" (r)
  14                                    : "r" (s % 32), "m" (a[s / 32])
  15                                    : "cc"); r; }))
  16         continue;
  17       else if (({ register char r;
  18                   __asm__ __volatile__ ("" : "=q" (r)
  19                                         : "r" (0), "m" (a[0])
  20                                         : "cc"); r; }))
  21         continue;
  22     }
  23   return 0;
  24 }