gcc/testsuite/gcc.dg/pr30360.c

   1 /* PR c/30360 */
   2 /* { dg-do run { target i?86-*-linux* i?86-*-gnu* x86_64-*-linux* ia64-*-linux* s390*-*-linux* } } */
   3 /* { dg-options "-O2 -std=gnu99" } */
   4
   5 #define I       (__extension__ 1.0iF)
   6 #define H(x)    asm ("" : "=m" (x) : "m" (x))
   7 extern void abort (void);
   8
   9 int
  10 main (void)
  11 {
  12   _Complex double a = 1.0 + 1.0 * I, b = 0.0, c;
  13   H (a);
  14   H (b);
  15   c = a / b;
  16   if (!__builtin_isinf (__real__ c) && !__builtin_isinf (__imag__ c))
  17     abort ();
  18   a = 0.0;
  19   H (a);
  20   H (b);
  21   c = a / b;
  22   if (!__builtin_isnan (__real__ c) || !__builtin_isnan (__imag__ c))
  23     abort ();
  24   return 0;
  25 }