gcc/testsuite/gcc.dg/autopar/pr46969.c

   1 /* PR tree-optimization/46969 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O3 -ftree-parallelize-loops=2 -fcompare-debug" } */
   4
   5 extern void abort (void);
   6 #define F(name) \
   7 int                                                             \
   8 name (unsigned char *x)                                         \
   9 {                                                               \
  10   int i;                                                        \
  11   unsigned int c, d, e;                                         \
  12   if (x != 0)                                                   \
  13     {                                                           \
  14       for (i = 0, d = 0, e = 0xFFFFFFFF;                        \
  15            i < 64;                                              \
  16            i += (int) sizeof(unsigned int))                     \
  17         {                                                       \
  18           c = *((unsigned int *)(&x[i]));                       \
  19           d = d | c;                                            \
  20           e = e & c;                                            \
  21         }                                                       \
  22       if (!((d == e) && ((d >> 8) == (e & 0x00FFFFFF))))        \
  23         abort ();                                               \
  24     }                                                           \
  25   return 0;                                                     \
  26 }
  27 F (foo0) F (foo1)
  28 F (foo2) F (foo3)
  29 F (foo4) F (foo5)
  30 F (foo6) F (foo7)
  31 F (foo8) F (foo9)