2 ** libgcc support for software floating point.
3 ** Copyright (C) 1991 by Pipeline Associates, Inc. All rights reserved.
4 ** Permission is granted to do *anything* you want with this file,
5 ** commercial or otherwise, provided this message remains intact. So there!
6 ** I would appreciate receiving any updates/patches/changes that anyone
7 ** makes, and am willing to be the repository for said changes (am I
8 ** making a big mistake?).
11 ** Pipeline Associates, Inc.
12 ** pipeline!phw@motown.com or
13 ** sun!pipeline!phw or
14 ** uunet!motown!pipeline!phw
17 /* (c)2000/2001: hacked a little by johan.knol@iduna.nl for sdcc */
27 float __ulong2fs (unsigned long a )
29 int exp = 24 + EXCESS;
30 volatile union float_long fl;
39 // we lose accuracy here
51 if ((a&0x7fffff)==0x7fffff) {
58 /* pack up and go home */
59 fl.l = PACK(0,(unsigned long)exp, a);