gcc/testsuite/gcc.dg/pr109230.c

   1 /* PR tree-optimization/109230 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2 -Wno-psabi" } */
   4
   5 #if __SIZEOF_FLOAT__ == __SIZEOF_INT__
   6 typedef float V __attribute__((vector_size (4 * sizeof (float))));
   7 typedef int VI __attribute__((vector_size (4 * sizeof (float))));
   8
   9 __attribute__((noipa)) V
  10 foo (V x, V y)
  11 {
  12   V a = x - y;
  13   V b = y + x;
  14   return __builtin_shuffle (b, a, (VI) { 0, 5, 2, 3 });
  15 }
  16
  17 int
  18 main ()
  19 {
  20   V a = (V) { 1.0f, 2.0f, 3.0f, 4.0f };
  21   V b = (V) { 8.0f, 9.0f, 10.0f, 11.0f };
  22   V c = foo (a, b);
  23   if (c[0] != 9.0f || c[1] != -7.0f || c[2] != 13.0f || c[3] != 15.0f)
  24     __builtin_abort ();
  25 }
  26 #else
  27 int
  28 main ()
  29 {
  30 }
  31 #endif