gcc/testsuite/gcc.dg/vect/bb-slp-pr101668.c

   1 /* { dg-additional-options "-w -Wno-psabi" } */
   2
   3 #include "tree-vect.h"
   4
   5 typedef int v4si __attribute__((vector_size(16)));
   6 typedef int v8si __attribute__((vector_size(32)));
   7
   8 void __attribute__((noipa)) test_lo (v4si *dst, v8si src)
   9 {
  10   (*dst)[0] = src[0];
  11   (*dst)[1] = src[1];
  12   (*dst)[2] = src[2];
  13   (*dst)[3] = src[3];
  14 }
  15
  16 void __attribute__((noipa)) test_hi (v4si *dst, v8si src)
  17 {
  18   (*dst)[0] = src[4];
  19   (*dst)[1] = src[5];
  20   (*dst)[2] = src[6];
  21   (*dst)[3] = src[7];
  22 }
  23
  24 void __attribute__((noipa)) test_even (v4si *dst, v8si src)
  25 {
  26   (*dst)[0] = src[0];
  27   (*dst)[1] = src[2];
  28   (*dst)[2] = src[4];
  29   (*dst)[3] = src[6];
  30 }
  31
  32 void __attribute__((noipa)) test_odd (v4si *dst, v8si src)
  33 {
  34   (*dst)[0] = src[1];
  35   (*dst)[1] = src[3];
  36   (*dst)[2] = src[5];
  37   (*dst)[3] = src[7];
  38 }
  39
  40 int main()
  41 {
  42   check_vect ();
  43   v8si v = (v8si) { 0, 1, 2, 3, 4, 5, 6, 7 };
  44   v4si dst;
  45   test_lo (&dst, v);
  46   if (dst[0] != 0 || dst[1] != 1 || dst[2] != 2 || dst[3] != 3)
  47     abort ();
  48   test_hi (&dst, v);
  49   if (dst[0] != 4 || dst[1] != 5 || dst[2] != 6 || dst[3] != 7)
  50     abort ();
  51   test_even (&dst, v);
  52   if (dst[0] != 0 || dst[1] != 2 || dst[2] != 4 || dst[3] != 6)
  53     abort ();
  54   test_odd (&dst, v);
  55   if (dst[0] != 1 || dst[1] != 3 || dst[2] != 5 || dst[3] != 7)
  56     abort ();
  57   return 0;
  58 }