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-rw-r--r--src/lib/libcrypto/bn/asm/alpha.works/mul.pl116
1 files changed, 116 insertions, 0 deletions
diff --git a/src/lib/libcrypto/bn/asm/alpha.works/mul.pl b/src/lib/libcrypto/bn/asm/alpha.works/mul.pl
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1#!/usr/local/bin/perl
2# alpha assember
3
4sub bn_mul_words
5 {
6 local($name)=@_;
7 local($cc,$a,$b,$r,$couny);
8
9 &init_pool(4);
10 ($cc)=GR("r0");
11
12 $rp=&wparam(0);
13 $ap=&wparam(1);
14 $count=&wparam(2);
15 $word=&wparam(3);
16
17 &function_begin($name,"");
18
19 &comment("");
20 &sub($count,4,$count);
21 &mov("zero",$cc);
22 &br(&label("finish"));
23 &blt($count,&label("finish"));
24
25 ($a0,$r0)=&NR(2);
26 &ld($a0,&QWPw(0,$ap));
27 &ld($r0,&QWPw(0,$rp));
28
29$a=<<'EOF';
30##########################################################
31 &set_label("loop");
32
33 ($a1)=&NR(1); &ld($a1,&QWPw(1,$ap));
34 ($b1)=&NR(1); &ld($b1,&QWPw(1,$bp));
35 ($a2)=&NR(1); &ld($a2,&QWPw(2,$ap));
36 ($b2)=&NR(1); &ld($b2,&QWPw(2,$bp));
37 ($a3)=&NR(1); &ld($a3,&QWPw(3,$ap));
38 ($b3)=&NR(1); &ld($b3,&QWPw(3,$bp));
39
40 ($o0,$t0)=&NR(2);
41 &add($a0,$b0,$o0);
42 &cmpult($o0,$b0,$t0);
43 &add($o0,$cc,$o0);
44 &cmpult($o0,$cc,$cc);
45 &add($cc,$t0,$cc); &FR($t0);
46
47 ($t1,$o1)=&NR(2);
48
49 &add($a1,$b1,$o1); &FR($a1);
50 &cmpult($o1,$b1,$t1); &FR($b1);
51 &add($o1,$cc,$o1);
52 &cmpult($o1,$cc,$cc);
53 &add($cc,$t1,$cc); &FR($t1);
54
55 ($t2,$o2)=&NR(2);
56
57 &add($a2,$b2,$o2); &FR($a2);
58 &cmpult($o2,$b2,$t2); &FR($b2);
59 &add($o2,$cc,$o2);
60 &cmpult($o2,$cc,$cc);
61 &add($cc,$t2,$cc); &FR($t2);
62
63 ($t3,$o3)=&NR(2);
64
65 &add($a3,$b3,$o3); &FR($a3);
66 &cmpult($o3,$b3,$t3); &FR($b3);
67 &add($o3,$cc,$o3);
68 &cmpult($o3,$cc,$cc);
69 &add($cc,$t3,$cc); &FR($t3);
70
71 &st($o0,&QWPw(0,$rp)); &FR($o0);
72 &st($o1,&QWPw(0,$rp)); &FR($o1);
73 &st($o2,&QWPw(0,$rp)); &FR($o2);
74 &st($o3,&QWPw(0,$rp)); &FR($o3);
75
76 &sub($count,4,$count); # count-=4
77 &add($ap,4*$QWS,$ap); # count+=4
78 &add($bp,4*$QWS,$bp); # count+=4
79 &add($rp,4*$QWS,$rp); # count+=4
80
81 &blt($count,&label("finish"));
82 &ld($a0,&QWPw(0,$ap));
83 &ld($b0,&QWPw(0,$bp));
84 &br(&label("loop"));
85EOF
86##################################################
87 # Do the last 0..3 words
88
89 &set_label("last_loop");
90
91 &ld(($a0)=&NR(1),&QWPw(0,$ap)); # get a
92 &mul($a0,$word,($l0)=&NR(1));
93 &add($ap,$QWS,$ap);
94 &muh($a0,$word,($h0)=&NR(1)); &FR($a0);
95 &add($l0,$cc,$l0);
96 &add($rp,$QWS,$rp);
97 &sub($count,1,$count);
98 &cmpult($l0,$cc,$cc);
99 &st($l0,&QWPw(-1,$rp)); &FR($l0);
100 &add($h0,$cc,$cc); &FR($h0);
101
102 &bgt($count,&label("last_loop"));
103 &function_end_A($name);
104
105######################################################
106 &set_label("finish");
107 &add($count,4,$count);
108 &bgt($count,&label("last_loop"));
109
110 &set_label("end");
111 &function_end($name);
112
113 &fin_pool;
114 }
115
1161;