| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | ;! HP-PA __mpn_rshift -- |
| 2 | |
| 3 | ;! Copyright (C) 1992-2015 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 | ;! <http://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 |