gcc/testsuite/gcc.dg/vect/bb-slp-37.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include "tree-vect.h"
   4
   5 extern void abort (void);
   6
   7 int a[16];
   8 int b[4];
   9
  10 void __attribute__((noinline))
  11 foo (void)
  12 {
  13   b[0] = a[0];
  14   b[1] = a[4];
  15   b[2] = a[8];
  16   b[3] = a[12];
  17 }
  18
  19 int main()
  20 {
  21   int i;
  22   check_vect ();
  23   for (i = 0; i < 16; ++i)
  24     {
  25       a[i] = i;
  26       __asm__ volatile ("");
  27     }
  28   foo ();
  29   if (b[0] != 0 || b[1] != 4 || b[2] != 8 || b[3] != 12)
  30     abort ();
  31   return 0;
  32 }