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

   1 /* { dg-require-effective-target int32plus } */
   2 void abort (void);
   3 void exit (int);
   4
   5 int __attribute__ ((noinline)) foo (short x, unsigned short y)
   6 {
   7   return x * y;
   8 }
   9
  10 int __attribute__ ((noinline)) bar (unsigned short x, short y)
  11 {
  12   return x * y;
  13 }
  14
  15 int main ()
  16 {
  17   if (foo (-2, 0xffff) != -131070)
  18     abort ();
  19   if (foo (2, 0xffff) != 131070)
  20     abort ();
  21   if (foo (-32768, 0x8000) != -1073741824)
  22     abort ();
  23   if (foo (32767, 0x8000) != 1073709056)
  24     abort ();
  25
  26   if (bar (0xffff, -2) != -131070)
  27     abort ();
  28   if (bar (0xffff, 2) != 131070)
  29     abort ();
  30   if (bar (0x8000, -32768) != -1073741824)
  31     abort ();
  32   if (bar (0x8000, 32767) != 1073709056)
  33     abort ();
  34
  35   exit (0);
  36 }
  37