1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
; mc88110 __mpn_mul_1 -- Multiply a limb vector with a single limb and
; store the product in a second limb vector.
; Copyright (C) 1992, 1994 Free Software Foundation, Inc.
; This file is part of the GNU MP Library.
; The GNU MP Library is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 2, or (at your option)
; any later version.
; The GNU MP Library is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
; You should have received a copy of the GNU General Public License
; along with the GNU MP Library; see the file COPYING. If not, write to
; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
; INPUT PARAMETERS
; res_ptr r2
; s1_ptr r3
; size r4
; s2_limb r5
#include "sysdep.h"
ENTRY (__mpn_mul_1)
ld r6,r3,0
sub r4,r0,r4
sub r3,r3,r4 ; r3 is offset s1_ptr
sub r2,r2,r4
sub r8,r2,8 ; r8 is offset res_ptr
mulu.d r10,r6,r5
addu r4,r4,1
bcnd eq0,r4,Lend
addu.co r2,r0,0 ; clear cy_limb
Loop: ld r6,r3[r4]
addu.cio r9,r11,r2
or r2,r10,r0 ; could be avoided if unrolled
addu r4,r4,1
mulu.d r10,r6,r5
bcnd ne0,r4,Loop
st r9,r8[r4]
Lend: addu.cio r9,r11,r2
st r9,r8,4
jmp.n r1
addu.ci r2,r10,r0
; This is the Right Way to do this on '110. 4 cycles / 64-bit limb.
; ld.d r10,
; mulu.d
; addu.cio
; addu.cio
; st.d
; mulu.d ,r11,r5
; ld.d r12,
; mulu.d ,r10,r5
; addu.cio
; addu.cio
; st.d
; mulu.d
; ld.d r10,
; mulu.d
; addu.cio
; addu.cio
; st.d
; mulu.d
; ld.d r10,
; mulu.d
; addu.cio
; addu.cio
; st.d
; mulu.d
|
