view gcc/testsuite/c-c++-common/dfp/convert-int-saturate.c @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children
line wrap: on
line source

/* N1150 5.1 Conversion between decimal floating integer.
   C99 6.3.1.4(1a) New.
   Test integer saturation.  */

#ifndef	__STDC_WANT_DEC_FP__
#define __STDC_WANT_DEC_FP__ 1
#endif

#include "dfp-dbg.h"
#include <float.h>
#include <limits.h>

volatile _Decimal32 d32;
volatile _Decimal64 d64;
volatile _Decimal128 d128;

volatile signed int si;
volatile unsigned int usi;
volatile unsigned long long udi;

int
main ()
{

  /* Unsigned.  */
  usi = DEC32_MAX;  /* { dg-warning "overflow in conversion" } */
  if (usi != UINT_MAX)
    FAILURE

  usi = DEC64_MAX;  /* { dg-warning "overflow in conversion" } */
  if (usi != UINT_MAX)
    FAILURE

  usi = DEC128_MAX; /* { dg-warning "overflow in conversion" } */
  if (usi != UINT_MAX)
    FAILURE

  /* Signed.  */
  si = DEC32_MAX;	/* { dg-warning "overflow in conversion" } */
  if (si != INT_MAX)
    FAILURE

  si = DEC64_MAX;   /* { dg-warning "overflow in conversion" } */
  if (si != INT_MAX)
    FAILURE

  si = DEC128_MAX;  /* { dg-warning "overflow in conversion" } */
  if (si != INT_MAX)
    FAILURE

  si = - DEC32_MAX; /* { dg-warning "overflow in conversion" } */
  if (si != INT_MIN)
    FAILURE

  si = - DEC64_MAX; /* { dg-warning "overflow in conversion" } */
  if (si != INT_MIN)
    FAILURE

  si = - DEC128_MAX; /* { dg-warning "overflow in conversion" } */
  if (si != INT_MIN)
    FAILURE

  FINISH
}