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Diffstat (limited to 'src/lib/libcrypto/md5/asm/md5-x86_64.pl')
-rwxr-xr-xsrc/lib/libcrypto/md5/asm/md5-x86_64.pl245
1 files changed, 245 insertions, 0 deletions
diff --git a/src/lib/libcrypto/md5/asm/md5-x86_64.pl b/src/lib/libcrypto/md5/asm/md5-x86_64.pl
new file mode 100755
index 0000000000..9a6fa67224
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+++ b/src/lib/libcrypto/md5/asm/md5-x86_64.pl
@@ -0,0 +1,245 @@
1#!/usr/bin/perl -w
2#
3# MD5 optimized for AMD64.
4#
5# Author: Marc Bevand <bevand_m (at) epita.fr>
6# Licence: I hereby disclaim the copyright on this code and place it
7# in the public domain.
8#
9
10use strict;
11
12my $code;
13
14# round1_step() does:
15# dst = x + ((dst + F(x,y,z) + X[k] + T_i) <<< s)
16# %r10d = X[k_next]
17# %r11d = z' (copy of z for the next step)
18# Each round1_step() takes about 5.71 clocks (9 instructions, 1.58 IPC)
19sub round1_step
20{
21 my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
22 $code .= " mov 0*4(%rsi), %r10d /* (NEXT STEP) X[0] */\n" if ($pos == -1);
23 $code .= " mov %edx, %r11d /* (NEXT STEP) z' = %edx */\n" if ($pos == -1);
24 $code .= <<EOF;
25 xor $y, %r11d /* y ^ ... */
26 lea $T_i($dst,%r10d),$dst /* Const + dst + ... */
27 and $x, %r11d /* x & ... */
28 xor $z, %r11d /* z ^ ... */
29 mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */
30 add %r11d, $dst /* dst += ... */
31 rol \$$s, $dst /* dst <<< s */
32 mov $y, %r11d /* (NEXT STEP) z' = $y */
33 add $x, $dst /* dst += x */
34EOF
35}
36
37# round2_step() does:
38# dst = x + ((dst + G(x,y,z) + X[k] + T_i) <<< s)
39# %r10d = X[k_next]
40# %r11d = y' (copy of y for the next step)
41# Each round2_step() takes about 6.22 clocks (9 instructions, 1.45 IPC)
42sub round2_step
43{
44 my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
45 $code .= " mov 1*4(%rsi), %r10d /* (NEXT STEP) X[1] */\n" if ($pos == -1);
46 $code .= " mov %ecx, %r11d /* (NEXT STEP) y' = %ecx */\n" if ($pos == -1);
47 $code .= <<EOF;
48 xor $x, %r11d /* x ^ ... */
49 lea $T_i($dst,%r10d),$dst /* Const + dst + ... */
50 and $z, %r11d /* z & ... */
51 xor $y, %r11d /* y ^ ... */
52 mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */
53 add %r11d, $dst /* dst += ... */
54 rol \$$s, $dst /* dst <<< s */
55 mov $x, %r11d /* (NEXT STEP) y' = $x */
56 add $x, $dst /* dst += x */
57EOF
58}
59
60# round3_step() does:
61# dst = x + ((dst + H(x,y,z) + X[k] + T_i) <<< s)
62# %r10d = X[k_next]
63# %r11d = y' (copy of y for the next step)
64# Each round3_step() takes about 4.26 clocks (8 instructions, 1.88 IPC)
65sub round3_step
66{
67 my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
68 $code .= " mov 5*4(%rsi), %r10d /* (NEXT STEP) X[5] */\n" if ($pos == -1);
69 $code .= " mov %ecx, %r11d /* (NEXT STEP) y' = %ecx */\n" if ($pos == -1);
70 $code .= <<EOF;
71 lea $T_i($dst,%r10d),$dst /* Const + dst + ... */
72 mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */
73 xor $z, %r11d /* z ^ ... */
74 xor $x, %r11d /* x ^ ... */
75 add %r11d, $dst /* dst += ... */
76 rol \$$s, $dst /* dst <<< s */
77 mov $x, %r11d /* (NEXT STEP) y' = $x */
78 add $x, $dst /* dst += x */
79EOF
80}
81
82# round4_step() does:
83# dst = x + ((dst + I(x,y,z) + X[k] + T_i) <<< s)
84# %r10d = X[k_next]
85# %r11d = not z' (copy of not z for the next step)
86# Each round4_step() takes about 5.27 clocks (9 instructions, 1.71 IPC)
87sub round4_step
88{
89 my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_;
90 $code .= " mov 0*4(%rsi), %r10d /* (NEXT STEP) X[0] */\n" if ($pos == -1);
91 $code .= " mov \$0xffffffff, %r11d\n" if ($pos == -1);
92 $code .= " xor %edx, %r11d /* (NEXT STEP) not z' = not %edx*/\n"
93 if ($pos == -1);
94 $code .= <<EOF;
95 lea $T_i($dst,%r10d),$dst /* Const + dst + ... */
96 or $x, %r11d /* x | ... */
97 xor $y, %r11d /* y ^ ... */
98 add %r11d, $dst /* dst += ... */
99 mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */
100 mov \$0xffffffff, %r11d
101 rol \$$s, $dst /* dst <<< s */
102 xor $y, %r11d /* (NEXT STEP) not z' = not $y */
103 add $x, $dst /* dst += x */
104EOF
105}
106
107my $output = shift;
108open STDOUT,"| $^X ../perlasm/x86_64-xlate.pl $output";
109
110$code .= <<EOF;
111.text
112.align 16
113
114.globl md5_block_asm_data_order
115.type md5_block_asm_data_order,\@function,3
116md5_block_asm_data_order:
117 push %rbp
118 push %rbx
119 push %r14
120 push %r15
121
122 # rdi = arg #1 (ctx, MD5_CTX pointer)
123 # rsi = arg #2 (ptr, data pointer)
124 # rdx = arg #3 (nbr, number of 16-word blocks to process)
125 mov %rdi, %rbp # rbp = ctx
126 shl \$6, %rdx # rdx = nbr in bytes
127 lea (%rsi,%rdx), %rdi # rdi = end
128 mov 0*4(%rbp), %eax # eax = ctx->A
129 mov 1*4(%rbp), %ebx # ebx = ctx->B
130 mov 2*4(%rbp), %ecx # ecx = ctx->C
131 mov 3*4(%rbp), %edx # edx = ctx->D
132 # end is 'rdi'
133 # ptr is 'rsi'
134 # A is 'eax'
135 # B is 'ebx'
136 # C is 'ecx'
137 # D is 'edx'
138
139 cmp %rdi, %rsi # cmp end with ptr
140 je .Lend # jmp if ptr == end
141
142 # BEGIN of loop over 16-word blocks
143.Lloop: # save old values of A, B, C, D
144 mov %eax, %r8d
145 mov %ebx, %r9d
146 mov %ecx, %r14d
147 mov %edx, %r15d
148EOF
149round1_step(-1,'%eax','%ebx','%ecx','%edx', '1','0xd76aa478', '7');
150round1_step( 0,'%edx','%eax','%ebx','%ecx', '2','0xe8c7b756','12');
151round1_step( 0,'%ecx','%edx','%eax','%ebx', '3','0x242070db','17');
152round1_step( 0,'%ebx','%ecx','%edx','%eax', '4','0xc1bdceee','22');
153round1_step( 0,'%eax','%ebx','%ecx','%edx', '5','0xf57c0faf', '7');
154round1_step( 0,'%edx','%eax','%ebx','%ecx', '6','0x4787c62a','12');
155round1_step( 0,'%ecx','%edx','%eax','%ebx', '7','0xa8304613','17');
156round1_step( 0,'%ebx','%ecx','%edx','%eax', '8','0xfd469501','22');
157round1_step( 0,'%eax','%ebx','%ecx','%edx', '9','0x698098d8', '7');
158round1_step( 0,'%edx','%eax','%ebx','%ecx','10','0x8b44f7af','12');
159round1_step( 0,'%ecx','%edx','%eax','%ebx','11','0xffff5bb1','17');
160round1_step( 0,'%ebx','%ecx','%edx','%eax','12','0x895cd7be','22');
161round1_step( 0,'%eax','%ebx','%ecx','%edx','13','0x6b901122', '7');
162round1_step( 0,'%edx','%eax','%ebx','%ecx','14','0xfd987193','12');
163round1_step( 0,'%ecx','%edx','%eax','%ebx','15','0xa679438e','17');
164round1_step( 1,'%ebx','%ecx','%edx','%eax', '0','0x49b40821','22');
165
166round2_step(-1,'%eax','%ebx','%ecx','%edx', '6','0xf61e2562', '5');
167round2_step( 0,'%edx','%eax','%ebx','%ecx','11','0xc040b340', '9');
168round2_step( 0,'%ecx','%edx','%eax','%ebx', '0','0x265e5a51','14');
169round2_step( 0,'%ebx','%ecx','%edx','%eax', '5','0xe9b6c7aa','20');
170round2_step( 0,'%eax','%ebx','%ecx','%edx','10','0xd62f105d', '5');
171round2_step( 0,'%edx','%eax','%ebx','%ecx','15', '0x2441453', '9');
172round2_step( 0,'%ecx','%edx','%eax','%ebx', '4','0xd8a1e681','14');
173round2_step( 0,'%ebx','%ecx','%edx','%eax', '9','0xe7d3fbc8','20');
174round2_step( 0,'%eax','%ebx','%ecx','%edx','14','0x21e1cde6', '5');
175round2_step( 0,'%edx','%eax','%ebx','%ecx', '3','0xc33707d6', '9');
176round2_step( 0,'%ecx','%edx','%eax','%ebx', '8','0xf4d50d87','14');
177round2_step( 0,'%ebx','%ecx','%edx','%eax','13','0x455a14ed','20');
178round2_step( 0,'%eax','%ebx','%ecx','%edx', '2','0xa9e3e905', '5');
179round2_step( 0,'%edx','%eax','%ebx','%ecx', '7','0xfcefa3f8', '9');
180round2_step( 0,'%ecx','%edx','%eax','%ebx','12','0x676f02d9','14');
181round2_step( 1,'%ebx','%ecx','%edx','%eax', '0','0x8d2a4c8a','20');
182
183round3_step(-1,'%eax','%ebx','%ecx','%edx', '8','0xfffa3942', '4');
184round3_step( 0,'%edx','%eax','%ebx','%ecx','11','0x8771f681','11');
185round3_step( 0,'%ecx','%edx','%eax','%ebx','14','0x6d9d6122','16');
186round3_step( 0,'%ebx','%ecx','%edx','%eax', '1','0xfde5380c','23');
187round3_step( 0,'%eax','%ebx','%ecx','%edx', '4','0xa4beea44', '4');
188round3_step( 0,'%edx','%eax','%ebx','%ecx', '7','0x4bdecfa9','11');
189round3_step( 0,'%ecx','%edx','%eax','%ebx','10','0xf6bb4b60','16');
190round3_step( 0,'%ebx','%ecx','%edx','%eax','13','0xbebfbc70','23');
191round3_step( 0,'%eax','%ebx','%ecx','%edx', '0','0x289b7ec6', '4');
192round3_step( 0,'%edx','%eax','%ebx','%ecx', '3','0xeaa127fa','11');
193round3_step( 0,'%ecx','%edx','%eax','%ebx', '6','0xd4ef3085','16');
194round3_step( 0,'%ebx','%ecx','%edx','%eax', '9', '0x4881d05','23');
195round3_step( 0,'%eax','%ebx','%ecx','%edx','12','0xd9d4d039', '4');
196round3_step( 0,'%edx','%eax','%ebx','%ecx','15','0xe6db99e5','11');
197round3_step( 0,'%ecx','%edx','%eax','%ebx', '2','0x1fa27cf8','16');
198round3_step( 1,'%ebx','%ecx','%edx','%eax', '0','0xc4ac5665','23');
199
200round4_step(-1,'%eax','%ebx','%ecx','%edx', '7','0xf4292244', '6');
201round4_step( 0,'%edx','%eax','%ebx','%ecx','14','0x432aff97','10');
202round4_step( 0,'%ecx','%edx','%eax','%ebx', '5','0xab9423a7','15');
203round4_step( 0,'%ebx','%ecx','%edx','%eax','12','0xfc93a039','21');
204round4_step( 0,'%eax','%ebx','%ecx','%edx', '3','0x655b59c3', '6');
205round4_step( 0,'%edx','%eax','%ebx','%ecx','10','0x8f0ccc92','10');
206round4_step( 0,'%ecx','%edx','%eax','%ebx', '1','0xffeff47d','15');
207round4_step( 0,'%ebx','%ecx','%edx','%eax', '8','0x85845dd1','21');
208round4_step( 0,'%eax','%ebx','%ecx','%edx','15','0x6fa87e4f', '6');
209round4_step( 0,'%edx','%eax','%ebx','%ecx', '6','0xfe2ce6e0','10');
210round4_step( 0,'%ecx','%edx','%eax','%ebx','13','0xa3014314','15');
211round4_step( 0,'%ebx','%ecx','%edx','%eax', '4','0x4e0811a1','21');
212round4_step( 0,'%eax','%ebx','%ecx','%edx','11','0xf7537e82', '6');
213round4_step( 0,'%edx','%eax','%ebx','%ecx', '2','0xbd3af235','10');
214round4_step( 0,'%ecx','%edx','%eax','%ebx', '9','0x2ad7d2bb','15');
215round4_step( 1,'%ebx','%ecx','%edx','%eax', '0','0xeb86d391','21');
216$code .= <<EOF;
217 # add old values of A, B, C, D
218 add %r8d, %eax
219 add %r9d, %ebx
220 add %r14d, %ecx
221 add %r15d, %edx
222
223 # loop control
224 add \$64, %rsi # ptr += 64
225 cmp %rdi, %rsi # cmp end with ptr
226 jb .Lloop # jmp if ptr < end
227 # END of loop over 16-word blocks
228
229.Lend:
230 mov %eax, 0*4(%rbp) # ctx->A = A
231 mov %ebx, 1*4(%rbp) # ctx->B = B
232 mov %ecx, 2*4(%rbp) # ctx->C = C
233 mov %edx, 3*4(%rbp) # ctx->D = D
234
235 pop %r15
236 pop %r14
237 pop %rbx
238 pop %rbp
239 ret
240.size md5_block_asm_data_order,.-md5_block_asm_data_order
241EOF
242
243print $code;
244
245close STDOUT;