gcc/testsuite/gcc.dg/pr37360.c

   1 /* PR rtl-optimization/37360 */
   2 /* { dg-do compile { target fpic } } */
   3 /* { dg-options "-O3 -fPIC" } */
   4
   5 typedef unsigned int UQItype __attribute__ ((mode (QI)));
   6 typedef unsigned int USItype __attribute__ ((mode (SI)));
   7
   8 extern const UQItype __popcount_tab[256];
   9 extern int __popcountsi2 (USItype);
  10
  11 int
  12 __popcountsi2 (USItype x)
  13 {
  14   int i, ret = 0;
  15
  16   for (i = 0; i < (4 * 8); i += 8)
  17     ret += __popcount_tab[(x >> i) & 0xff];
  18
  19   return ret;
  20 }
  21