gcc/testsuite/gcc.dg/vect/O3-pr87546.c

   1 #include "tree-vect.h"
   2
   3 int a;
   4 long b, f;
   5 signed char c, g;
   6 short int d = 219;
   7 int e[64];
   8
   9 __attribute__((noipa)) void
  10 foo (void)
  11 {
  12   asm volatile ("" : : "g" (&a), "g" (&d) : "memory");
  13   for (c = 0; c < 64; c++)
  14     {
  15       g = d < 0 ? d : d >> a;
  16       f = g + b;
  17       e[c] = f;
  18     }
  19   if (e[1] != (signed char) d)
  20     __builtin_abort ();
  21 }
  22
  23 int
  24 main ()
  25 {
  26   check_vect ();
  27   foo ();
  28   return 0;
  29 }