gcc/testsuite/gcc.dg/tree-ssa/gen-vect-32.c

   1 /* { dg-do run { target vect_cmdline_needed } } */
   2 /* { dg-options "-O2 -fno-tree-loop-distribute-patterns -ftree-vectorize -fdump-tree-vect-details -fno-vect-cost-model" } */
   3 /* { dg-additional-options "-mno-sse" { target { i?86-*-* x86_64-*-* } } } */
   4 /* The IBM Z backend sets the min-vect-loop-bound param to 2 to avoid
   5    awkward epilogue code generation in some cases.  This line needs to
   6    be removed after finding an alternate way to fix this.  */
   7 /* { dg-additional-options "--param min-vect-loop-bound=0" { target { s390*-*-* } } } */
   8
   9 #include <stdlib.h>
  10
  11 #define N 16
  12
  13 int main ()
  14 {
  15   struct {
  16     char ca[N];
  17   } s;
  18   int i;
  19
  20   for (i = 0; i < N; i++)
  21     {
  22       s.ca[i] = 5;
  23     }
  24
  25   /* check results:  */
  26   for (i = 0; i < N; i++)
  27     {
  28       if (s.ca[i] != 5)
  29         abort ();
  30     }
  31
  32   return 0;
  33 }
  34
  35
  36 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { ! { avr-*-* pru-*-* } } } } } */
  37 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { target { ! { avr-*-* pru-*-* } } } } } */