1 /* Copyright (C) 2008-2022 Free Software Foundation, Inc.
2 Contributor: Joern Rennecke <joern.rennecke@embecosm.com>
3 on behalf of Synopsys Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 Under Section 7 of GPL version 3, you are granted additional
18 permissions described in the GCC Runtime Library Exception, version
19 3.1, as published by the Free Software Foundation.
21 You should have received a copy of the GNU General Public License and
22 a copy of the GCC Runtime Library Exception along with this program;
23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 <http://www.gnu.org/licenses/>. */
26 #include "arc-ieee-754.h"
48 #define __fixdfsi __fixdfsi_asm
51 /* If the fraction has to be shifted left by a positive non-zero amount,
52 we have to combine bits from DBL0L and DBL0H. If we shift right,
53 or shift by zero, we only want to have the bits from DBL0H in r0. */
59 bbit0 DBL0H,30,.Lret0or1
62 sub_s r2,r2,19; 0x3ff+20-0x400
66 #ifdef __LITTLE_ENDIAN__
79 add.f r0,DBL0H,0x100000