gcc/testsuite/gcc.dg/vect/pr105219.c

   1 /* { dg-additional-options "-O3" } */
   2 /* { dg-additional-options "-mtune=intel" { target x86_64-*-* i?86-*-* } } */
   3 /* { dg-additional-options "-mtune=thunderx" { target aarch64*-*-* } } */
   4
   5 #include "tree-vect.h"
   6
   7 int data[128];
   8
   9 void __attribute((noipa))
  10 foo (int *data, int n)
  11 {
  12   for (int i = 0; i < n; ++i)
  13     data[i] = i;
  14 }
  15
  16 int main()
  17 {
  18   check_vect ();
  19   for (int start = 0; start < 16; ++start)
  20     for (int n = 1; n < 3*16; ++n)
  21       {
  22         __builtin_memset (data, 0, sizeof (data));
  23         foo (&data[start], n);
  24 #pragma GCC novector
  25         for (int j = 0; j < n; ++j)
  26           if (data[start + j] != j)
  27             __builtin_abort ();
  28       }
  29   return 0;
  30 }