gcc/testsuite/gcc.dg/pr42916.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -funroll-loops -ftree-vectorize -fcompare-debug" } */
   3 /* { dg-xfail-if "" { powerpc-ibm-aix* } } */
   4
   5 int seed;
   6
   7 static inline int hash(const char *str)
   8 {
   9   int h = seed++;
  10   int i = 12;
  11   while (i--)
  12     h += (h << 3) ^ *str++;
  13   return h;
  14 }
  15
  16 void f(const char *str, int *h)
  17 {
  18   int i = 6;
  19   while (i--)
  20     *h++ = hash(str);
  21 }