gcc/testsuite/gcc.dg/complete-port.c

   1 /* This small program uses all the arithmetic operators that may
   2    generate calls to library routines which must be implemented in
   3    port-specific assembly language.  */
   4 /* { dg-do link } */
   5
   6 #include <stddef.h>
   7
   8 int foo ();
   9 double dfoo ();
  10 void discard (int);
  11 void ddiscard (double);
  12
  13 int
  14 main (void)
  15 {
  16   int a = foo (), b = foo ();
  17   unsigned int au = foo (), bu = foo ();
  18   float af = dfoo (), bf = dfoo ();
  19   double ad = dfoo (), bd = dfoo ();
  20
  21   discard (a * b);
  22   discard (a / b);
  23   discard (a % b);
  24
  25   discard (au / bu);
  26   discard (au % bu);
  27
  28   discard (a >> b);
  29   discard (a << b);
  30
  31   discard (au >> bu);
  32   discard (au << bu);
  33
  34   ddiscard (ad + bd);
  35   ddiscard (ad - bd);
  36   ddiscard (ad * bd);
  37   ddiscard (ad / bd);
  38   ddiscard (-ad);
  39
  40   ddiscard (af + bf);
  41   ddiscard (af - bf);
  42   ddiscard (af * bf);
  43   ddiscard (af / bf);
  44   ddiscard (-af);
  45
  46   discard ((int) ad);
  47   discard ((int) af);
  48
  49   ddiscard ((double) a);
  50   ddiscard ((float) a);
  51   ddiscard ((float) ad);
  52
  53   discard (ad == bd);
  54   discard (ad < bd);
  55   discard (ad > bd);
  56   discard (ad != bd);
  57   discard (ad <= bd);
  58   discard (ad >= bd);
  59
  60   discard (af == bf);
  61   discard (af < bf);
  62   discard (af > bf);
  63   discard (af != bf);
  64   discard (af <= bf);
  65   discard (af >= bf);
  66
  67   return 0;
  68 }
  69
  70 void
  71 discard (x)
  72      int x __attribute__((__unused__));
  73 {}
  74
  75 void
  76 ddiscard (x)
  77      double x __attribute__((__unused__));
  78 {}
  79
  80 int
  81 foo ()
  82 {
  83   static int table[] = {20, 69, 4, 12};
  84   static int idx;
  85
  86   return table[idx++];
  87 }
  88
  89 double
  90 dfoo ()
  91 {
  92   static double table[] = {20.4, 69.96, 4.4, 202.202};
  93   static int idx;
  94
  95   return table[idx++];
  96 }