IVOPT performance tuning patch. The main problem is a variant of maximal weight
[official-gcc.git] / gcc / testsuite / gcc.dg / pr30360.c
blobd4dae0d5f4779fa3cf9ea2c567fba192fb928a36
1 /* PR c/30360 */
2 /* { dg-do run { target i?86-*-linux* x86_64-*-linux* ia64-*-linux* s390*-*-linux* } } */
3 /* { dg-options "-O2 -std=gnu99" } */
5 #define I (__extension__ 1.0iF)
6 #define H(x) asm ("" : "=m" (x) : "m" (x))
7 extern void abort (void);
9 int
10 main (void)
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;