OLD | NEW |
1 #if defined(__aarch64__) | 1 #if defined(__aarch64__) |
2 #include "arm_arch.h" | 2 #include <openssl/arm_arch.h> |
3 | 3 |
4 .text | 4 .text |
5 #if !defined(__clang__) | 5 #if !defined(__clang__) |
6 .arch armv8-a+crypto | 6 .arch armv8-a+crypto |
7 #endif | 7 #endif |
8 .globl gcm_init_v8 | 8 .globl gcm_init_v8 |
9 .type gcm_init_v8,%function | 9 .type gcm_init_v8,%function |
10 .align 4 | 10 .align 4 |
11 gcm_init_v8: | 11 gcm_init_v8: |
12 ld1 {v17.2d},[x1] //load input H | 12 ld1 {v17.2d},[x1] //load input H |
(...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
61 gcm_gmult_v8: | 61 gcm_gmult_v8: |
62 ld1 {v17.2d},[x0] //load Xi | 62 ld1 {v17.2d},[x0] //load Xi |
63 movi v19.16b,#0xe1 | 63 movi v19.16b,#0xe1 |
64 ld1 {v20.2d,v21.2d},[x1] //load twisted H, ... | 64 ld1 {v20.2d,v21.2d},[x1] //load twisted H, ... |
65 shl v19.2d,v19.2d,#57 | 65 shl v19.2d,v19.2d,#57 |
66 #ifndef __ARMEB__ | 66 #ifndef __ARMEB__ |
67 rev64 v17.16b,v17.16b | 67 rev64 v17.16b,v17.16b |
68 #endif | 68 #endif |
69 ext v3.16b,v17.16b,v17.16b,#8 | 69 ext v3.16b,v17.16b,v17.16b,#8 |
70 | 70 |
71 » pmull» v0.1q,v20.1d,v3.1d» » //H.lo·Xi.lo | 71 » pmull» v0.1q,v20.1d,v3.1d» » //H.lo·Xi.lo |
72 eor v17.16b,v17.16b,v3.16b //Karatsuba pre-processing | 72 eor v17.16b,v17.16b,v3.16b //Karatsuba pre-processing |
73 » pmull2» v2.1q,v20.2d,v3.2d» » //H.hi·Xi.hi | 73 » pmull2» v2.1q,v20.2d,v3.2d» » //H.hi·Xi.hi |
74 » pmull» v1.1q,v21.1d,v17.1d» » //(H.lo+H.hi)·(Xi.lo+Xi.hi) | 74 » pmull» v1.1q,v21.1d,v17.1d» » //(H.lo+H.hi)·(Xi.lo+Xi.hi) |
75 | 75 |
76 ext v17.16b,v0.16b,v2.16b,#8 //Karatsuba post-process
ing | 76 ext v17.16b,v0.16b,v2.16b,#8 //Karatsuba post-process
ing |
77 eor v18.16b,v0.16b,v2.16b | 77 eor v18.16b,v0.16b,v2.16b |
78 eor v1.16b,v1.16b,v17.16b | 78 eor v1.16b,v1.16b,v17.16b |
79 eor v1.16b,v1.16b,v18.16b | 79 eor v1.16b,v1.16b,v18.16b |
80 pmull v18.1q,v0.1d,v19.1d //1st phase of reduction | 80 pmull v18.1q,v0.1d,v19.1d //1st phase of reduction |
81 | 81 |
82 ins v2.d[0],v1.d[1] | 82 ins v2.d[0],v1.d[1] |
83 ins v1.d[1],v0.d[0] | 83 ins v1.d[1],v0.d[0] |
84 eor v0.16b,v1.16b,v18.16b | 84 eor v0.16b,v1.16b,v18.16b |
(...skipping 43 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
128 rev64 v0.16b,v0.16b | 128 rev64 v0.16b,v0.16b |
129 #endif | 129 #endif |
130 ext v3.16b,v16.16b,v16.16b,#8 //rotate I[0] | 130 ext v3.16b,v16.16b,v16.16b,#8 //rotate I[0] |
131 b.lo .Lodd_tail_v8 //x3 was less than 32 | 131 b.lo .Lodd_tail_v8 //x3 was less than 32 |
132 ld1 {v17.2d},[x2],x12 //load [rotated] I[1] | 132 ld1 {v17.2d},[x2],x12 //load [rotated] I[1] |
133 #ifndef __ARMEB__ | 133 #ifndef __ARMEB__ |
134 rev64 v17.16b,v17.16b | 134 rev64 v17.16b,v17.16b |
135 #endif | 135 #endif |
136 ext v7.16b,v17.16b,v17.16b,#8 | 136 ext v7.16b,v17.16b,v17.16b,#8 |
137 eor v3.16b,v3.16b,v0.16b //I[i]^=Xi | 137 eor v3.16b,v3.16b,v0.16b //I[i]^=Xi |
138 » pmull» v4.1q,v20.1d,v7.1d» » //H·Ii+1 | 138 » pmull» v4.1q,v20.1d,v7.1d» » //H·Ii+1 |
139 eor v17.16b,v17.16b,v7.16b //Karatsuba pre-processing | 139 eor v17.16b,v17.16b,v7.16b //Karatsuba pre-processing |
140 pmull2 v6.1q,v20.2d,v7.2d | 140 pmull2 v6.1q,v20.2d,v7.2d |
141 b .Loop_mod2x_v8 | 141 b .Loop_mod2x_v8 |
142 | 142 |
143 .align 4 | 143 .align 4 |
144 .Loop_mod2x_v8: | 144 .Loop_mod2x_v8: |
145 ext v18.16b,v3.16b,v3.16b,#8 | 145 ext v18.16b,v3.16b,v3.16b,#8 |
146 subs x3,x3,#32 //is there more data? | 146 subs x3,x3,#32 //is there more data? |
147 » pmull» v0.1q,v22.1d,v3.1d» » //H^2.lo·Xi.lo | 147 » pmull» v0.1q,v22.1d,v3.1d» » //H^2.lo·Xi.lo |
148 csel x12,xzr,x12,lo //is it time to zero x12? | 148 csel x12,xzr,x12,lo //is it time to zero x12? |
149 | 149 |
150 pmull v5.1q,v21.1d,v17.1d | 150 pmull v5.1q,v21.1d,v17.1d |
151 eor v18.16b,v18.16b,v3.16b //Karatsuba pre-processing | 151 eor v18.16b,v18.16b,v3.16b //Karatsuba pre-processing |
152 » pmull2» v2.1q,v22.2d,v3.2d» » //H^2.hi·Xi.hi | 152 » pmull2» v2.1q,v22.2d,v3.2d» » //H^2.hi·Xi.hi |
153 eor v0.16b,v0.16b,v4.16b //accumulate | 153 eor v0.16b,v0.16b,v4.16b //accumulate |
154 » pmull2» v1.1q,v21.2d,v18.2d» » //(H^2.lo+H^2.hi)·(Xi.lo+Xi.hi) | 154 » pmull2» v1.1q,v21.2d,v18.2d» » //(H^2.lo+H^2.hi)·(Xi.lo+Xi.hi) |
155 ld1 {v16.2d},[x2],x12 //load [rotated] I[i+2] | 155 ld1 {v16.2d},[x2],x12 //load [rotated] I[i+2] |
156 | 156 |
157 eor v2.16b,v2.16b,v6.16b | 157 eor v2.16b,v2.16b,v6.16b |
158 csel x12,xzr,x12,eq //is it time to zero x12? | 158 csel x12,xzr,x12,eq //is it time to zero x12? |
159 eor v1.16b,v1.16b,v5.16b | 159 eor v1.16b,v1.16b,v5.16b |
160 | 160 |
161 ext v17.16b,v0.16b,v2.16b,#8 //Karatsuba post-process
ing | 161 ext v17.16b,v0.16b,v2.16b,#8 //Karatsuba post-process
ing |
162 eor v18.16b,v0.16b,v2.16b | 162 eor v18.16b,v0.16b,v2.16b |
163 eor v1.16b,v1.16b,v17.16b | 163 eor v1.16b,v1.16b,v17.16b |
164 ld1 {v17.2d},[x2],x12 //load [rotated] I[i+3] | 164 ld1 {v17.2d},[x2],x12 //load [rotated] I[i+3] |
165 #ifndef __ARMEB__ | 165 #ifndef __ARMEB__ |
166 rev64 v16.16b,v16.16b | 166 rev64 v16.16b,v16.16b |
167 #endif | 167 #endif |
168 eor v1.16b,v1.16b,v18.16b | 168 eor v1.16b,v1.16b,v18.16b |
169 pmull v18.1q,v0.1d,v19.1d //1st phase of reduction | 169 pmull v18.1q,v0.1d,v19.1d //1st phase of reduction |
170 | 170 |
171 #ifndef __ARMEB__ | 171 #ifndef __ARMEB__ |
172 rev64 v17.16b,v17.16b | 172 rev64 v17.16b,v17.16b |
173 #endif | 173 #endif |
174 ins v2.d[0],v1.d[1] | 174 ins v2.d[0],v1.d[1] |
175 ins v1.d[1],v0.d[0] | 175 ins v1.d[1],v0.d[0] |
176 ext v7.16b,v17.16b,v17.16b,#8 | 176 ext v7.16b,v17.16b,v17.16b,#8 |
177 ext v3.16b,v16.16b,v16.16b,#8 | 177 ext v3.16b,v16.16b,v16.16b,#8 |
178 eor v0.16b,v1.16b,v18.16b | 178 eor v0.16b,v1.16b,v18.16b |
179 » pmull» v4.1q,v20.1d,v7.1d» » //H·Ii+1 | 179 » pmull» v4.1q,v20.1d,v7.1d» » //H·Ii+1 |
180 eor v3.16b,v3.16b,v2.16b //accumulate v3.16b early | 180 eor v3.16b,v3.16b,v2.16b //accumulate v3.16b early |
181 | 181 |
182 ext v18.16b,v0.16b,v0.16b,#8 //2nd phase of reduction | 182 ext v18.16b,v0.16b,v0.16b,#8 //2nd phase of reduction |
183 pmull v0.1q,v0.1d,v19.1d | 183 pmull v0.1q,v0.1d,v19.1d |
184 eor v3.16b,v3.16b,v18.16b | 184 eor v3.16b,v3.16b,v18.16b |
185 eor v17.16b,v17.16b,v7.16b //Karatsuba pre-processing | 185 eor v17.16b,v17.16b,v7.16b //Karatsuba pre-processing |
186 eor v3.16b,v3.16b,v0.16b | 186 eor v3.16b,v3.16b,v0.16b |
187 pmull2 v6.1q,v20.2d,v7.2d | 187 pmull2 v6.1q,v20.2d,v7.2d |
188 b.hs .Loop_mod2x_v8 //there was at least 32 more bytes | 188 b.hs .Loop_mod2x_v8 //there was at least 32 more bytes |
189 | 189 |
190 eor v2.16b,v2.16b,v18.16b | 190 eor v2.16b,v2.16b,v18.16b |
191 ext v3.16b,v16.16b,v16.16b,#8 //re-construct v3.16b | 191 ext v3.16b,v16.16b,v16.16b,#8 //re-construct v3.16b |
192 adds x3,x3,#32 //re-construct x3 | 192 adds x3,x3,#32 //re-construct x3 |
193 eor v0.16b,v0.16b,v2.16b //re-construct v0.16b | 193 eor v0.16b,v0.16b,v2.16b //re-construct v0.16b |
194 b.eq .Ldone_v8 //is x3 zero? | 194 b.eq .Ldone_v8 //is x3 zero? |
195 .Lodd_tail_v8: | 195 .Lodd_tail_v8: |
196 ext v18.16b,v0.16b,v0.16b,#8 | 196 ext v18.16b,v0.16b,v0.16b,#8 |
197 eor v3.16b,v3.16b,v0.16b //inp^=Xi | 197 eor v3.16b,v3.16b,v0.16b //inp^=Xi |
198 eor v17.16b,v16.16b,v18.16b //v17.16b is rotated inp^Xi | 198 eor v17.16b,v16.16b,v18.16b //v17.16b is rotated inp^Xi |
199 | 199 |
200 » pmull» v0.1q,v20.1d,v3.1d» » //H.lo·Xi.lo | 200 » pmull» v0.1q,v20.1d,v3.1d» » //H.lo·Xi.lo |
201 eor v17.16b,v17.16b,v3.16b //Karatsuba pre-processing | 201 eor v17.16b,v17.16b,v3.16b //Karatsuba pre-processing |
202 » pmull2» v2.1q,v20.2d,v3.2d» » //H.hi·Xi.hi | 202 » pmull2» v2.1q,v20.2d,v3.2d» » //H.hi·Xi.hi |
203 » pmull» v1.1q,v21.1d,v17.1d» » //(H.lo+H.hi)·(Xi.lo+Xi.hi) | 203 » pmull» v1.1q,v21.1d,v17.1d» » //(H.lo+H.hi)·(Xi.lo+Xi.hi) |
204 | 204 |
205 ext v17.16b,v0.16b,v2.16b,#8 //Karatsuba post-process
ing | 205 ext v17.16b,v0.16b,v2.16b,#8 //Karatsuba post-process
ing |
206 eor v18.16b,v0.16b,v2.16b | 206 eor v18.16b,v0.16b,v2.16b |
207 eor v1.16b,v1.16b,v17.16b | 207 eor v1.16b,v1.16b,v17.16b |
208 eor v1.16b,v1.16b,v18.16b | 208 eor v1.16b,v1.16b,v18.16b |
209 pmull v18.1q,v0.1d,v19.1d //1st phase of reduction | 209 pmull v18.1q,v0.1d,v19.1d //1st phase of reduction |
210 | 210 |
211 ins v2.d[0],v1.d[1] | 211 ins v2.d[0],v1.d[1] |
212 ins v1.d[1],v0.d[0] | 212 ins v1.d[1],v0.d[0] |
213 eor v0.16b,v1.16b,v18.16b | 213 eor v0.16b,v1.16b,v18.16b |
214 | 214 |
215 ext v18.16b,v0.16b,v0.16b,#8 //2nd phase of reduction | 215 ext v18.16b,v0.16b,v0.16b,#8 //2nd phase of reduction |
216 pmull v0.1q,v0.1d,v19.1d | 216 pmull v0.1q,v0.1d,v19.1d |
217 eor v18.16b,v18.16b,v2.16b | 217 eor v18.16b,v18.16b,v2.16b |
218 eor v0.16b,v0.16b,v18.16b | 218 eor v0.16b,v0.16b,v18.16b |
219 | 219 |
220 .Ldone_v8: | 220 .Ldone_v8: |
221 #ifndef __ARMEB__ | 221 #ifndef __ARMEB__ |
222 rev64 v0.16b,v0.16b | 222 rev64 v0.16b,v0.16b |
223 #endif | 223 #endif |
224 ext v0.16b,v0.16b,v0.16b,#8 | 224 ext v0.16b,v0.16b,v0.16b,#8 |
225 st1 {v0.2d},[x0] //write out Xi | 225 st1 {v0.2d},[x0] //write out Xi |
226 | 226 |
227 ret | 227 ret |
228 .size gcm_ghash_v8,.-gcm_ghash_v8 | 228 .size gcm_ghash_v8,.-gcm_ghash_v8 |
229 .byte 71,72,65,83,72,32,102,111,114,32,65,82,77,118,56,44,32,67,82,89,80,84,79
,71,65,77,83,32,98,121,32,60,97,112,112,114,111,64,111,112,101,110,115,115,108,4
6,111,114,103,62,0 | 229 .byte 71,72,65,83,72,32,102,111,114,32,65,82,77,118,56,44,32,67,82,89,80,84,79
,71,65,77,83,32,98,121,32,60,97,112,112,114,111,64,111,112,101,110,115,115,108,4
6,111,114,103,62,0 |
230 .align 2 | 230 .align 2 |
231 .align 2 | 231 .align 2 |
232 #endif | 232 #endif |
OLD | NEW |