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

   1 /* { dg-require-effective-target int32plus } */
   2
   3 /* Failed on sparc with -mv8plus because sparc.c:set_extends() thought
   4    erroneously that SImode ASHIFT chops the upper bits, it does not.  */
   5
   6 typedef unsigned long long uint64;
   7
   8 void g(uint64 x, int y, int z, uint64 *p)
   9 {
  10         unsigned w = ((x >> y) & 0xffffffffULL) << (z & 0x1f);
  11         *p |= (w & 0xffffffffULL) << z;
  12 }
  13
  14 int main(void)
  15 {
  16         uint64 a = 0;
  17         g(0xdeadbeef01234567ULL, 0, 0, &a);
  18         return (a == 0x01234567) ? 0 : 1;
  19 }
  20
  21
  22