gcc/testsuite/gcc.c-torture/execute/20050316-2.c

   1 extern void abort (void);
   2
   3 typedef int V2SI __attribute__ ((vector_size (8)));
   4 typedef unsigned int V2USI __attribute__ ((vector_size (8)));
   5 typedef float V2SF __attribute__ ((vector_size (8)));
   6 typedef short V2HI __attribute__ ((vector_size (4)));
   7 typedef unsigned int V2UHI __attribute__ ((vector_size (4)));
   8
   9 long long
  10 test1 (V2SF x)
  11 {
  12   return (long long) (V2SI) x;
  13 }
  14
  15 long long
  16 test2 (V2SF x)
  17 {
  18   return (long long) x;
  19 }
  20
  21 long long
  22 test3 (V2SI x)
  23 {
  24   return (long long) (V2SF) x;
  25 }
  26
  27 int
  28 main (void)
  29 {
  30   if (sizeof (short) != 2 || sizeof (int) != 4 || sizeof (long long) != 8)
  31     return 0;
  32
  33   V2SF x = { 2.0, 2.0 };
  34   union { long long l; float f[2]; int i[2]; } u;
  35   u.l = test1 (x);
  36   if (u.f[0] != 2.0 || u.f[1] != 2.0)
  37     abort ();
  38
  39   V2SF y = { 6.0, 6.0 };
  40   u.l = test2 (y);
  41   if (u.f[0] != 6.0 || u.f[1] != 6.0)
  42     abort ();
  43
  44   V2SI z = { 4, 4 };
  45   u.l = test3 (z);
  46   if (u.i[0] != 4 || u.i[1] != 4)
  47     abort ();
  48   return 0;
  49 }