gcc/testsuite/gcc.dg/vect/vect-pr111779.c

   1 #include <stdbool.h>
   2 #include "tree-vect.h"
   3
   4 struct C
   5 {
   6     int c;
   7     int d;
   8     bool f :1;
   9     float e;
  10 };
  11
  12 struct A
  13 {
  14   unsigned int a;
  15   unsigned char c1, c2;
  16   bool b1 : 1;
  17   bool b2 : 1;
  18   bool b3 : 1;
  19   struct C b4;
  20 };
  21
  22 void __attribute__((noipa))
  23 foo (const struct A * __restrict x, int y)
  24 {
  25   int s = 0, i = 0;
  26   for (i = 0; i < y; ++i)
  27     {
  28       const struct A a = x[i];
  29       s += a.b4.f ? 1 : 0;
  30     }
  31   if (s != 0)
  32     __builtin_abort ();
  33 }
  34
  35 int
  36 main ()
  37 {
  38   struct A x[100];
  39   int i;
  40
  41   check_vect ();
  42
  43   __builtin_memset (x, -1, sizeof (x));
  44 #pragma GCC novect
  45   for (i = 0; i < 100; i++)
  46     {
  47       x[i].b1 = false;
  48       x[i].b2 = false;
  49       x[i].b3 = false;
  50       x[i].b4.f = false;
  51     }
  52   foo (x, 100);
  53   return 0;
  54 }
  55
  56 /* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" { target { vect_int && { le || { be && vect_shift_char } } } } } } */