gcc/testsuite/gcc.dg/vect/pr81136.c

   1 /* { dg-do compile } */
   2
   3 #include "tree-vect.h"
   4
   5 #if VECTOR_BITS > 256
   6 #define ALIGNMENT (VECTOR_BITS / 8)
   7 #else
   8 #define ALIGNMENT 32
   9 #endif
  10
  11 struct __attribute__((aligned (ALIGNMENT)))
  12 {
  13   char misaligner;
  14   int foo[100];
  15   int bar[100];
  16 } *a;
  17
  18 void
  19 fn1 (int n)
  20 {
  21   int *b = a->foo;
  22   for (int i = 0; i < n; i++)
  23     a->bar[i] = b[i];
  24 }
  25
  26 /* { dg-final { scan-tree-dump-not "Unknown misalignment" "vect" } } */