gcc/testsuite/gcc.c-torture/compile/conv_tst.c

   1 /* { dg-require-effective-target untyped_assembly } */
   2
   3 #define ID_1 2400000000.0
   4 #define ID_2 1.7
   5 #define ID_3 -1.7
   6
   7 unsigned ui;
   8 int si;
   9
  10 conv_i1 ()
  11 {
  12 /*
  13   ui = (unsigned) ID_1;
  14   si = (int) ID_1;
  15 */
  16 }
  17
  18 conv_i2 ()
  19 {
  20   ui = (unsigned) ID_2;
  21   si = (int) ID_2;
  22 }
  23
  24 conv_i3 ()
  25 {
  26 /*  ui = (unsigned) ID_3;*/
  27   si = (int) ID_3;
  28 }
  29
  30 conv_1 (d)
  31      double d;
  32 {
  33   ui = (unsigned) d;
  34 /*
  35   si = (int) d;
  36 */
  37 }
  38
  39 double
  40 foo (u)
  41      unsigned u;
  42 {
  43   return u;
  44 }
  45
  46 main ()
  47 {
  48   printf ("%lf\n", foo (2400000000));
  49
  50   conv_i1 ();
  51   printf ("%lf, %u, %d\n", ID_1, ui, si);
  52
  53   conv_i2 ();
  54   printf ("%lf, %u, %d\n", ID_2, ui, si);
  55
  56   conv_i3 ();
  57   printf ("%lf, %u, %d\n", ID_3, ui, si);
  58
  59   conv_1 (ID_1);
  60   printf ("%lf, %u, %d\n", ID_1, ui, si);
  61
  62   conv_1 (ID_2);
  63   printf ("%lf, %u, %d\n", ID_2, ui, si);
  64
  65   conv_1 (ID_3);
  66   printf ("%lf, %u, %d\n", ID_3, ui, si);
  67
  68 }