gcc/testsuite/gcc.c-torture/execute/shiftdi.c

   1 /* Failed on sparc with -mv8plus because sparc.c:set_extends() thought
   2    erroneously that SImode ASHIFT chops the upper bits, it does not.  */
   3
   4 typedef unsigned long long uint64;
   5
   6 void g(uint64 x, int y, int z, uint64 *p)
   7 {
   8         unsigned w = ((x >> y) & 0xffffffffULL) << (z & 0x1f);
   9         *p |= (w & 0xffffffffULL) << z;
  10 }
  11
  12 int main(void)
  13 {
  14         uint64 a = 0;
  15         g(0xdeadbeef01234567ULL, 0, 0, &a);
  16         return (a == 0x01234567) ? 0 : 1;
  17 }
  18
  19
  20