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-rw-r--r--src/lib/libcrypto/bn/asm/alpha.works/add.pl119
1 files changed, 119 insertions, 0 deletions
diff --git a/src/lib/libcrypto/bn/asm/alpha.works/add.pl b/src/lib/libcrypto/bn/asm/alpha.works/add.pl
new file mode 100644
index 0000000000..4dc76e6b69
--- /dev/null
+++ b/src/lib/libcrypto/bn/asm/alpha.works/add.pl
@@ -0,0 +1,119 @@
1#!/usr/local/bin/perl
2# alpha assember
3
4sub bn_add_words
5 {
6 local($name)=@_;
7 local($cc,$a,$b,$r);
8
9 &init_pool(4);
10 ($cc)=GR("r0");
11
12 $rp=&wparam(0);
13 $ap=&wparam(1);
14 $bp=&wparam(2);
15 $count=&wparam(3);
16
17 &function_begin($name,"");
18
19 &comment("");
20 &sub($count,4,$count);
21 &mov("zero",$cc);
22 &br(&label("finish"));
23 &blt($count,&label("finish"));
24
25 ($a0,$b0)=&NR(2);
26 &ld($a0,&QWPw(0,$ap));
27 &ld($b0,&QWPw(0,$bp));
28
29##########################################################
30 &set_label("loop");
31
32 ($a1)=&NR(1); &ld($a1,&QWPw(1,$ap));
33 ($b1)=&NR(1); &ld($b1,&QWPw(1,$bp));
34 ($a2)=&NR(1); &ld($a2,&QWPw(2,$ap));
35 ($b2)=&NR(1); &ld($b2,&QWPw(2,$bp));
36 ($a3)=&NR(1); &ld($a3,&QWPw(3,$ap));
37 ($b3)=&NR(1); &ld($b3,&QWPw(3,$bp));
38
39 ($o0,$t0)=&NR(2);
40 &add($a0,$b0,$o0);
41 &cmpult($o0,$b0,$t0);
42 &add($o0,$cc,$o0);
43 &cmpult($o0,$cc,$cc);
44 &add($cc,$t0,$cc); &FR($t0);
45
46 ($t1,$o1)=&NR(2);
47
48 &add($a1,$b1,$o1); &FR($a1);
49 &cmpult($o1,$b1,$t1); &FR($b1);
50 &add($o1,$cc,$o1);
51 &cmpult($o1,$cc,$cc);
52 &add($cc,$t1,$cc); &FR($t1);
53
54 ($t2,$o2)=&NR(2);
55
56 &add($a2,$b2,$o2); &FR($a2);
57 &cmpult($o2,$b2,$t2); &FR($b2);
58 &add($o2,$cc,$o2);
59 &cmpult($o2,$cc,$cc);
60 &add($cc,$t2,$cc); &FR($t2);
61
62 ($t3,$o3)=&NR(2);
63
64 &add($a3,$b3,$o3); &FR($a3);
65 &cmpult($o3,$b3,$t3); &FR($b3);
66 &add($o3,$cc,$o3);
67 &cmpult($o3,$cc,$cc);
68 &add($cc,$t3,$cc); &FR($t3);
69
70 &st($o0,&QWPw(0,$rp)); &FR($o0);
71 &st($o1,&QWPw(0,$rp)); &FR($o1);
72 &st($o2,&QWPw(0,$rp)); &FR($o2);
73 &st($o3,&QWPw(0,$rp)); &FR($o3);
74
75 &sub($count,4,$count); # count-=4
76 &add($ap,4*$QWS,$ap); # count+=4
77 &add($bp,4*$QWS,$bp); # count+=4
78 &add($rp,4*$QWS,$rp); # count+=4
79
80 &blt($count,&label("finish"));
81 &ld($a0,&QWPw(0,$ap));
82 &ld($b0,&QWPw(0,$bp));
83 &br(&label("loop"));
84##################################################
85 # Do the last 0..3 words
86
87 ($t0,$o0)=&NR(2);
88 &set_label("last_loop");
89
90 &ld($a0,&QWPw(0,$ap)); # get a
91 &ld($b0,&QWPw(0,$bp)); # get b
92
93 &add($a0,$b0,$o0);
94 &cmpult($o0,$b0,$t0); # will we borrow?
95 &add($o0,$cc,$o0); # will we borrow?
96 &cmpult($o0,$cc,$cc); # will we borrow?
97 &add($cc,$t0,$cc); # add the borrows
98 &st($o0,&QWPw(0,$rp)); # save
99
100 &add($ap,$QWS,$ap);
101 &add($bp,$QWS,$bp);
102 &add($rp,$QWS,$rp);
103 &sub($count,1,$count);
104 &bgt($count,&label("last_loop"));
105 &function_end_A($name);
106
107######################################################
108 &set_label("finish");
109 &add($count,4,$count);
110 &bgt($count,&label("last_loop"));
111
112 &FR($o0,$t0,$a0,$b0);
113 &set_label("end");
114 &function_end($name);
115
116 &fin_pool;
117 }
118
1191;