gcc/testsuite/gcc.dg/pr63914.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ffast-math" } */
   3 /* { dg-prune-output "non-standard ABI extension" } */
   4 /* { dg-additional-options "-fno-common" { target hppa*-*-hpux* } } */
   5
   6 typedef float __m128 __attribute__ ((__vector_size__ (16)));
   7 __m128 a, d, e;
   8 int b;
   9 struct dt_interpolation c;
  10 __m128
  11 fn1 (float p1)
  12 {
  13   return (__attribute__ ((__vector_size__ (4 * sizeof 0))) float){ p1 };
  14 }
  15 __m128
  16 fn2 (float p1)
  17 {
  18   return fn1 (p1);
  19 }
  20 struct dt_interpolation
  21 {
  22   int width;
  23 };
  24 void
  25 fn3 (struct dt_interpolation *p1, int *p2)
  26 {
  27   int i = 0, n = 0;
  28   while (i < 2 * p1->width)
  29     n = i++;
  30   *p2 = n;
  31 }
  32 void
  33 fn4 ()
  34 {
  35   __m128 f;
  36   fn3 (&c, &b);
  37   __m128 g = fn2 (1.f / b);
  38   e = (__m128){};
  39   __m128 h = e;
  40   for (int i = 0; i < 2 * c.width; i++)
  41     {
  42       for (; c.width;)
  43         f = a;
  44       h = f;
  45     }
  46   d = h * g;
  47 }