gcc/libgcc/config/libbid/_sd_to_udi.c

/* Copyright (C) 2007-2022 Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.

GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<http://www.gnu.org/licenses/>.  */

#include "bid_conf.h"
#include "bid_functions.h"
#include "bid_gcc_intrinsics.h"

UDItype
__bid_fixunssddi (_Decimal32 x) {
  UDItype res = 0xbaddbaddbaddbaddull;
  UINT64 x64;
  union decimal32 ux;

  ux.d = x;
  x64 = __bid32_to_bid64 (ux.i);
  res = __bid64_to_uint64_xint (x64);

  if (res == 0x8000000000000000ull) res = 0; // for NaNs too
  return (res);
}