1 /* Software floating-point emulation: addition.
2 Copyright (C) 1997-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library. If not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include "local-soft-fp.h"
20
21 void
_OtsAddX(long al,long ah,long bl,long bh,long _round)22 _OtsAddX(long al, long ah, long bl, long bh, long _round)
23 {
24 FP_DECL_EX;
25 FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C);
26 AXP_DECL_RETURN_Q(c);
27
28 FP_INIT_ROUNDMODE;
29 AXP_UNPACK_SEMIRAW_Q(A, a);
30 AXP_UNPACK_SEMIRAW_Q(B, b);
31 FP_ADD_Q(C, A, B);
32 AXP_PACK_SEMIRAW_Q(c, C);
33 FP_HANDLE_EXCEPTIONS;
34
35 AXP_RETURN_Q(c);
36 }
37