gcc/testsuite/gcc.dg/vect/vect-33.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_int } */
   3 /* { dg-additional-options "-fdump-tree-optimized-details-blocks" } */
   4
   5 #include <stdarg.h>
   6 #include "tree-vect.h"
   7
   8 #define N 16
   9 struct test {
  10   char ca[N];
  11 };
  12
  13 extern struct test s;
  14
  15 __attribute__ ((noinline))
  16 int main1 ()
  17 {
  18   int i;
  19
  20   for (i = 0; i < N; i++)
  21     {
  22       s.ca[i] = 5;
  23     }
  24
  25   /* check results:  */
  26 #pragma GCC novector
  27   for (i = 0; i < N; i++)
  28     {
  29       if (s.ca[i] != 5)
  30         abort ();
  31     }
  32
  33   return 0;
  34 }
  35
  36 int main (void)
  37 {
  38   return main1 ();
  39 }
  40
  41 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  } } */
  42 /* { dg-final { scan-tree-dump "Vectorizing an unaligned access" "vect" { target { { { ! powerpc*-*-* } && vect_hw_misalign } && { { ! vect64 } || vect_multiple_sizes } } xfail { ! vect_unaligned_possible } } } }  */
  43 /* { dg-final { scan-tree-dump "Alignment of access forced using peeling" "vect" { target { vector_alignment_reachable && { vect64 && {! vect_multiple_sizes} } } } } } */
  44 /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 1 "vect" { target { { {! vector_alignment_reachable} || {! vect64} } && {! vect_hw_misalign} } } } } */
  45 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */