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acc97172 UD |
1 | ;! HP-PA __udiv_qrnnd division support, used from longlong.h. |
2 | ;! This version runs fast on PA 7000 and later. | |
7def3d92 | 3 | |
688903eb | 4 | ;! Copyright (C) 1993-2018 Free Software Foundation, Inc. |
7def3d92 | 5 | |
acc97172 | 6 | ;! This file is part of the GNU MP Library. |
7def3d92 | 7 | |
acc97172 | 8 | ;! The GNU MP Library is free software; you can redistribute it and/or modify |
f01ec467 AJ |
9 | ;! it under the terms of the GNU Lesser General Public License as published by |
10 | ;! the Free Software Foundation; either version 2.1 of the License, or (at your | |
acc97172 | 11 | ;! option) any later version. |
7def3d92 | 12 | |
acc97172 UD |
13 | ;! The GNU MP Library is distributed in the hope that it will be useful, but |
14 | ;! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
f01ec467 | 15 | ;! or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
acc97172 | 16 | ;! License for more details. |
7def3d92 | 17 | |
f01ec467 | 18 | ;! You should have received a copy of the GNU Lesser General Public License |
ab84e3ff PE |
19 | ;! along with the GNU MP Library. If not, see |
20 | ;! <http://www.gnu.org/licenses/>. | |
7def3d92 RM |
21 | |
22 | ||
acc97172 UD |
23 | ;! INPUT PARAMETERS |
24 | ;! rem_ptr gr26 | |
25 | ;! n1 gr25 | |
26 | ;! n0 gr24 | |
27 | ;! d gr23 | |
7def3d92 | 28 | |
acc97172 | 29 | .text |
5556231d | 30 | L$0000: |
acc97172 | 31 | .word 0x43f00000 |
7def3d92 RM |
32 | .word 0x0 |
33 | .export __udiv_qrnnd | |
5556231d | 34 | __udiv_qrnnd: |
7def3d92 RM |
35 | .proc |
36 | .callinfo frame=64,no_calls | |
37 | .entry | |
38 | ldo 64(%r30),%r30 | |
39 | ||
e4782a56 RM |
40 | stws %r25,-16(%r30) ;! n_hi |
41 | stws %r24,-12(%r30) ;! n_lo | |
acc97172 UD |
42 | b,l L$0,%r1 |
43 | ldo L$0000-L$0(%r1),%r1 | |
44 | L$0: | |
e4782a56 RM |
45 | fldds -16(%r30),%fr5 |
46 | stws %r23,-12(%r30) | |
7def3d92 RM |
47 | comib,<= 0,%r25,L$1 |
48 | fcnvxf,dbl,dbl %fr5,%fr5 | |
e4782a56 | 49 | fldds 0(%r1),%fr4 |
7def3d92 | 50 | fadd,dbl %fr4,%fr5,%fr5 |
5556231d | 51 | L$1: |
7def3d92 | 52 | fcpy,sgl %fr0,%fr6L |
e4782a56 | 53 | fldws -12(%r30),%fr6R |
7def3d92 RM |
54 | fcnvxf,dbl,dbl %fr6,%fr4 |
55 | ||
56 | fdiv,dbl %fr5,%fr4,%fr5 | |
57 | ||
58 | fcnvfx,dbl,dbl %fr5,%fr4 | |
59 | fstws %fr4R,-16(%r30) | |
60 | xmpyu %fr4R,%fr6R,%fr6 | |
61 | ldws -16(%r30),%r28 | |
e4782a56 RM |
62 | fstds %fr6,-16(%r30) |
63 | ldws -12(%r30),%r21 | |
64 | ldws -16(%r30),%r20 | |
7def3d92 | 65 | sub %r24,%r21,%r22 |
acc97172 UD |
66 | subb %r25,%r20,%r1 |
67 | comib,= 0,%r1,L$2 | |
7def3d92 RM |
68 | ldo -64(%r30),%r30 |
69 | ||
70 | add %r22,%r23,%r22 | |
71 | ldo -1(%r28),%r28 | |
5556231d | 72 | L$2: |
acc97172 | 73 | bv 0(%r2) |
e4782a56 | 74 | stws %r22,0(%r26) |
7def3d92 RM |
75 | |
76 | .exit | |
77 | .procend |