1 | ;! HP-PA __mpn_rshift -- |
2 | |
3 | ;! Copyright (C) 1992-2022 Free Software Foundation, Inc. |
4 | |
5 | ;! This file is part of the GNU MP Library. |
6 | |
7 | ;! The GNU MP Library is free software; you can redistribute it and/or modify |
8 | ;! it under the terms of the GNU Lesser General Public License as published by |
9 | ;! the Free Software Foundation; either version 2.1 of the License, or (at your |
10 | ;! option) any later version. |
11 | |
12 | ;! The GNU MP Library is distributed in the hope that it will be useful, but |
13 | ;! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
14 | ;! or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
15 | ;! License for more details. |
16 | |
17 | ;! You should have received a copy of the GNU Lesser General Public License |
18 | ;! along with the GNU MP Library. If not, see |
19 | ;! <https://www.gnu.org/licenses/>. |
20 | |
21 | |
22 | ;! INPUT PARAMETERS |
23 | ;! res_ptr gr26 |
24 | ;! s_ptr gr25 |
25 | ;! size gr24 |
26 | ;! cnt gr23 |
27 | |
28 | .text |
29 | .export __mpn_rshift |
30 | __mpn_rshift: |
31 | .proc |
32 | .callinfo frame=64,no_calls |
33 | .entry |
34 | |
35 | ldws,ma 4(%r25),%r22 |
36 | mtsar %r23 |
37 | addib,= -1,%r24,L$0004 |
38 | vshd %r22,%r0,%r28 ;! compute carry out limb |
39 | ldws,ma 4(%r25),%r29 |
40 | addib,= -1,%r24,L$0002 |
41 | vshd %r29,%r22,%r20 |
42 | |
43 | L$loop: ldws,ma 4(%r25),%r22 |
44 | stws,ma %r20,4(%r26) |
45 | addib,= -1,%r24,L$0003 |
46 | vshd %r22,%r29,%r20 |
47 | ldws,ma 4(%r25),%r29 |
48 | stws,ma %r20,4(%r26) |
49 | addib,<> -1,%r24,L$loop |
50 | vshd %r29,%r22,%r20 |
51 | |
52 | L$0002: stws,ma %r20,4(%r26) |
53 | vshd %r0,%r29,%r20 |
54 | bv 0(%r2) |
55 | stw %r20,0(%r26) |
56 | L$0003: stws,ma %r20,4(%r26) |
57 | L$0004: vshd %r0,%r22,%r20 |
58 | bv 0(%r2) |
59 | stw %r20,0(%r26) |
60 | |
61 | .exit |
62 | .procend |
63 | |