gcc/testsuite/gcc.dg/vect/vect-multitypes-12.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 64
   7
   8 char x[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   9
  10 __attribute__ ((noinline)) int
  11 foo (int len, int *z) {
  12   int i;
  13
  14   for (i=0; i<len; i++) {
  15     z[i] = x[i];
  16   }
  17 }
  18
  19
  20 int main (void)
  21 {
  22   char i;
  23   int z[N+4];
  24
  25   check_vect ();
  26
  27   for (i=0; i<N; i++) {
  28     x[i] = i;
  29     __asm__ volatile ("" : : : "memory");
  30   }
  31
  32   foo (N,z+2);
  33
  34 #pragma GCC novector
  35   for (i=0; i<N; i++) {
  36     if (z[i+2] != x[i])
  37       abort ();
  38   }
  39
  40   return 0;
  41 }
  42
  43 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_unpack } } } */