gcc/testsuite/c-c++-common/dfp/pr39035.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O" } */
   3
   4 /* DFP TR 24732 == WG14 / N1176, N1312 */
   5 /* Based on a test from Fred Tydeman.  */
   6
   7 #include "dfp-dbg.h"
   8
   9 /* Test runtime computations.  */
  10
  11 void
  12 runtime32 (void)
  13 {
  14   volatile _Decimal32 d;
  15   d = 0.0DF;
  16   if (d)
  17     FAILURE
  18 }
  19
  20 void
  21 runtime64 (void)
  22 {
  23   volatile _Decimal64 d;
  24   d = 0.0DD;
  25   if (d)
  26     FAILURE
  27 }
  28
  29 void
  30 runtime128 (void)
  31 {
  32   volatile _Decimal128 d;
  33   d = 0.0DL;
  34   if (d)
  35     FAILURE
  36 }
  37
  38 void
  39 fold32 (void)
  40 {
  41   if (0.0DF)
  42     FAILURE
  43 }
  44
  45 void
  46 fold64 (void)
  47 {
  48   if (0.0DD)
  49     FAILURE
  50 }
  51
  52 void
  53 fold128 (void)
  54 {
  55   if (0.0DL)
  56     FAILURE
  57 }
  58
  59 int
  60 main(void)
  61 {
  62   runtime32 ();
  63   runtime64 ();
  64   runtime128 ();
  65
  66   fold32 ();
  67   fold64 ();
  68   fold128 ();
  69
  70   FINISH
  71 }