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authorJay Threeth2011-04-04 11:48:26 -0700
committerJay Threeth2011-04-04 11:48:26 -0700
commit3c9cc506f741b980565ff5b3b001cd8b6ee36b12 (patch)
treecb862c57b3d5f74177cde3bd962a53fc377166f6 /linden/indra/libgcrypt/libgcrypt-1.2.2/mpi/mips3/mpih-rshift.S
parentbuild fixes, might build on linux now (diff)
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add source to libraries, and cruft for building under windows
Diffstat (limited to 'linden/indra/libgcrypt/libgcrypt-1.2.2/mpi/mips3/mpih-rshift.S')
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diff --git a/linden/indra/libgcrypt/libgcrypt-1.2.2/mpi/mips3/mpih-rshift.S b/linden/indra/libgcrypt/libgcrypt-1.2.2/mpi/mips3/mpih-rshift.S
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1/* mips3 rshift
2 *
3 * Copyright (C) 1995, 1998, 2000
4 * 2001, 2002 Free Software Foundation, Inc.
5 *
6 * This file is part of Libgcrypt.
7 *
8 * Libgcrypt is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU Lesser General Public License as
10 * published by the Free Software Foundation; either version 2.1 of
11 * the License, or (at your option) any later version.
12 *
13 * Libgcrypt is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
21 */
22
23/*******************
24 * mpi_limb_t
25 * _gcry_mpih_rshift( mpi_ptr_t wp, ($4)
26 * mpi_ptr_t up, ($5)
27 * mpi_size_t usize, ($6)
28 * unsigned cnt) ($7)
29 */
30
31 .text
32 .align 2
33 .globl _gcry_mpih_rshift
34 .ent _gcry_mpih_rshift
35_gcry_mpih_rshift:
36 .set noreorder
37 .set nomacro
38
39 ld $10,0($5) # load first limb
40 dsubu $13,$0,$7
41 daddiu $6,$6,-1
42 and $9,$6,4-1 # number of limbs in first loop
43 beq $9,$0,.L0 # if multiple of 4 limbs, skip first loop
44 dsll $2,$10,$13 # compute function result
45
46 dsubu $6,$6,$9
47
48.Loop0: ld $3,8($5)
49 daddiu $4,$4,8
50 daddiu $5,$5,8
51 daddiu $9,$9,-1
52 dsrl $11,$10,$7
53 dsll $12,$3,$13
54 move $10,$3
55 or $8,$11,$12
56 bne $9,$0,.Loop0
57 sd $8,-8($4)
58
59.L0: beq $6,$0,.Lend
60 nop
61
62.Loop: ld $3,8($5)
63 daddiu $4,$4,32
64 daddiu $6,$6,-4
65 dsrl $11,$10,$7
66 dsll $12,$3,$13
67
68 ld $10,16($5)
69 dsrl $14,$3,$7
70 or $8,$11,$12
71 sd $8,-32($4)
72 dsll $9,$10,$13
73
74 ld $3,24($5)
75 dsrl $11,$10,$7
76 or $8,$14,$9
77 sd $8,-24($4)
78 dsll $12,$3,$13
79
80 ld $10,32($5)
81 dsrl $14,$3,$7
82 or $8,$11,$12
83 sd $8,-16($4)
84 dsll $9,$10,$13
85
86 daddiu $5,$5,32
87 or $8,$14,$9
88 bgtz $6,.Loop
89 sd $8,-8($4)
90
91.Lend: dsrl $8,$10,$7
92 j $31
93 sd $8,0($4)
94 .end _gcry_mpih_rshift
95