gcc/testsuite/gcc.dg/dfp/pr31344.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -mtune=i386" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
   3 /* { dg-options "-O" } */
   4
   5 typedef struct
   6 {
   7   unsigned char bits;
   8 } decNumber;
   9
  10 typedef struct
  11 {
  12   unsigned char bytes[1];
  13 } decimal32;
  14
  15 extern decNumber *__decimal32ToNumber (const decimal32 *, decNumber *);
  16 extern void __host_to_ieee_32 (_Decimal32, decimal32 *);
  17
  18 void
  19 foo (_Decimal32 arg)
  20 {
  21   decNumber dn;
  22   decimal32 d32;
  23   __host_to_ieee_32 (arg, &d32);
  24   __decimal32ToNumber (&d32, &dn);
  25 }