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Diffstat (limited to 'src/lib/libcrypto/rc4/asm/rc4-s390x.pl')
-rw-r--r-- | src/lib/libcrypto/rc4/asm/rc4-s390x.pl | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/src/lib/libcrypto/rc4/asm/rc4-s390x.pl b/src/lib/libcrypto/rc4/asm/rc4-s390x.pl deleted file mode 100644 index 96681fa05e..0000000000 --- a/src/lib/libcrypto/rc4/asm/rc4-s390x.pl +++ /dev/null | |||
@@ -1,205 +0,0 @@ | |||
1 | #!/usr/bin/env perl | ||
2 | # | ||
3 | # ==================================================================== | ||
4 | # Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL | ||
5 | # project. The module is, however, dual licensed under OpenSSL and | ||
6 | # CRYPTOGAMS licenses depending on where you obtain it. For further | ||
7 | # details see http://www.openssl.org/~appro/cryptogams/. | ||
8 | # ==================================================================== | ||
9 | # | ||
10 | # February 2009 | ||
11 | # | ||
12 | # Performance is 2x of gcc 3.4.6 on z10. Coding "secret" is to | ||
13 | # "cluster" Address Generation Interlocks, so that one pipeline stall | ||
14 | # resolves several dependencies. | ||
15 | |||
16 | $rp="%r14"; | ||
17 | $sp="%r15"; | ||
18 | $code=<<___; | ||
19 | .text | ||
20 | |||
21 | ___ | ||
22 | |||
23 | # void RC4(RC4_KEY *key,size_t len,const void *inp,void *out) | ||
24 | { | ||
25 | $acc="%r0"; | ||
26 | $cnt="%r1"; | ||
27 | $key="%r2"; | ||
28 | $len="%r3"; | ||
29 | $inp="%r4"; | ||
30 | $out="%r5"; | ||
31 | |||
32 | @XX=("%r6","%r7"); | ||
33 | @TX=("%r8","%r9"); | ||
34 | $YY="%r10"; | ||
35 | $TY="%r11"; | ||
36 | |||
37 | $code.=<<___; | ||
38 | .globl RC4 | ||
39 | .type RC4,\@function | ||
40 | .align 64 | ||
41 | RC4: | ||
42 | stmg %r6,%r11,48($sp) | ||
43 | llgc $XX[0],0($key) | ||
44 | llgc $YY,1($key) | ||
45 | la $XX[0],1($XX[0]) | ||
46 | nill $XX[0],0xff | ||
47 | srlg $cnt,$len,3 | ||
48 | ltgr $cnt,$cnt | ||
49 | llgc $TX[0],2($XX[0],$key) | ||
50 | jz .Lshort | ||
51 | j .Loop8 | ||
52 | |||
53 | .align 64 | ||
54 | .Loop8: | ||
55 | ___ | ||
56 | for ($i=0;$i<8;$i++) { | ||
57 | $code.=<<___; | ||
58 | la $YY,0($YY,$TX[0]) # $i | ||
59 | nill $YY,255 | ||
60 | la $XX[1],1($XX[0]) | ||
61 | nill $XX[1],255 | ||
62 | ___ | ||
63 | $code.=<<___ if ($i==1); | ||
64 | llgc $acc,2($TY,$key) | ||
65 | ___ | ||
66 | $code.=<<___ if ($i>1); | ||
67 | sllg $acc,$acc,8 | ||
68 | ic $acc,2($TY,$key) | ||
69 | ___ | ||
70 | $code.=<<___; | ||
71 | llgc $TY,2($YY,$key) | ||
72 | stc $TX[0],2($YY,$key) | ||
73 | llgc $TX[1],2($XX[1],$key) | ||
74 | stc $TY,2($XX[0],$key) | ||
75 | cr $XX[1],$YY | ||
76 | jne .Lcmov$i | ||
77 | la $TX[1],0($TX[0]) | ||
78 | .Lcmov$i: | ||
79 | la $TY,0($TY,$TX[0]) | ||
80 | nill $TY,255 | ||
81 | ___ | ||
82 | push(@TX,shift(@TX)); push(@XX,shift(@XX)); # "rotate" registers | ||
83 | } | ||
84 | |||
85 | $code.=<<___; | ||
86 | lg $TX[1],0($inp) | ||
87 | sllg $acc,$acc,8 | ||
88 | la $inp,8($inp) | ||
89 | ic $acc,2($TY,$key) | ||
90 | xgr $acc,$TX[1] | ||
91 | stg $acc,0($out) | ||
92 | la $out,8($out) | ||
93 | brct $cnt,.Loop8 | ||
94 | |||
95 | .Lshort: | ||
96 | lghi $acc,7 | ||
97 | ngr $len,$acc | ||
98 | jz .Lexit | ||
99 | j .Loop1 | ||
100 | |||
101 | .align 16 | ||
102 | .Loop1: | ||
103 | la $YY,0($YY,$TX[0]) | ||
104 | nill $YY,255 | ||
105 | llgc $TY,2($YY,$key) | ||
106 | stc $TX[0],2($YY,$key) | ||
107 | stc $TY,2($XX[0],$key) | ||
108 | ar $TY,$TX[0] | ||
109 | ahi $XX[0],1 | ||
110 | nill $TY,255 | ||
111 | nill $XX[0],255 | ||
112 | llgc $acc,0($inp) | ||
113 | la $inp,1($inp) | ||
114 | llgc $TY,2($TY,$key) | ||
115 | llgc $TX[0],2($XX[0],$key) | ||
116 | xr $acc,$TY | ||
117 | stc $acc,0($out) | ||
118 | la $out,1($out) | ||
119 | brct $len,.Loop1 | ||
120 | |||
121 | .Lexit: | ||
122 | ahi $XX[0],-1 | ||
123 | stc $XX[0],0($key) | ||
124 | stc $YY,1($key) | ||
125 | lmg %r6,%r11,48($sp) | ||
126 | br $rp | ||
127 | .size RC4,.-RC4 | ||
128 | .string "RC4 for s390x, CRYPTOGAMS by <appro\@openssl.org>" | ||
129 | |||
130 | ___ | ||
131 | } | ||
132 | |||
133 | # void RC4_set_key(RC4_KEY *key,unsigned int len,const void *inp) | ||
134 | { | ||
135 | $cnt="%r0"; | ||
136 | $idx="%r1"; | ||
137 | $key="%r2"; | ||
138 | $len="%r3"; | ||
139 | $inp="%r4"; | ||
140 | $acc="%r5"; | ||
141 | $dat="%r6"; | ||
142 | $ikey="%r7"; | ||
143 | $iinp="%r8"; | ||
144 | |||
145 | $code.=<<___; | ||
146 | .globl RC4_set_key | ||
147 | .type RC4_set_key,\@function | ||
148 | .align 64 | ||
149 | RC4_set_key: | ||
150 | stmg %r6,%r8,48($sp) | ||
151 | lhi $cnt,256 | ||
152 | la $idx,0(%r0) | ||
153 | sth $idx,0($key) | ||
154 | .align 4 | ||
155 | .L1stloop: | ||
156 | stc $idx,2($idx,$key) | ||
157 | la $idx,1($idx) | ||
158 | brct $cnt,.L1stloop | ||
159 | |||
160 | lghi $ikey,-256 | ||
161 | lr $cnt,$len | ||
162 | la $iinp,0(%r0) | ||
163 | la $idx,0(%r0) | ||
164 | .align 16 | ||
165 | .L2ndloop: | ||
166 | llgc $acc,2+256($ikey,$key) | ||
167 | llgc $dat,0($iinp,$inp) | ||
168 | la $idx,0($idx,$acc) | ||
169 | la $ikey,1($ikey) | ||
170 | la $idx,0($idx,$dat) | ||
171 | nill $idx,255 | ||
172 | la $iinp,1($iinp) | ||
173 | tml $ikey,255 | ||
174 | llgc $dat,2($idx,$key) | ||
175 | stc $dat,2+256-1($ikey,$key) | ||
176 | stc $acc,2($idx,$key) | ||
177 | jz .Ldone | ||
178 | brct $cnt,.L2ndloop | ||
179 | lr $cnt,$len | ||
180 | la $iinp,0(%r0) | ||
181 | j .L2ndloop | ||
182 | .Ldone: | ||
183 | lmg %r6,%r8,48($sp) | ||
184 | br $rp | ||
185 | .size RC4_set_key,.-RC4_set_key | ||
186 | |||
187 | ___ | ||
188 | } | ||
189 | |||
190 | # const char *RC4_options() | ||
191 | $code.=<<___; | ||
192 | .globl RC4_options | ||
193 | .type RC4_options,\@function | ||
194 | .align 16 | ||
195 | RC4_options: | ||
196 | larl %r2,.Loptions | ||
197 | br %r14 | ||
198 | .size RC4_options,.-RC4_options | ||
199 | .section .rodata | ||
200 | .Loptions: | ||
201 | .align 8 | ||
202 | .string "rc4(8x,char)" | ||
203 | ___ | ||
204 | |||
205 | print $code; | ||