Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 Denys Vlasenko |
| 3 | * |
| 4 | * Licensed under GPLv2, see file LICENSE in this source tree. |
| 5 | */ |
| 6 | #include "tls.h" |
| 7 | |
Denys Vlasenko | 3f8ecd9 | 2017-01-15 14:16:51 +0100 | [diff] [blame] | 8 | /* The file is taken almost verbatim from matrixssl-3-7-2b-open/crypto/math/. |
Denys Vlasenko | 6b1b004 | 2017-01-19 15:51:00 +0100 | [diff] [blame] | 9 | * Changes are flagged with //bbox |
Denys Vlasenko | 3f8ecd9 | 2017-01-15 14:16:51 +0100 | [diff] [blame] | 10 | */ |
| 11 | |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 12 | /** |
| 13 | * @file pstm_sqr_comba.c |
| 14 | * @version 33ef80f (HEAD, tag: MATRIXSSL-3-7-2-OPEN, tag: MATRIXSSL-3-7-2-COMM, origin/master, origin/HEAD, master) |
| 15 | * |
| 16 | * Multiprecision Squaring with Comba technique. |
| 17 | */ |
| 18 | /* |
| 19 | * Copyright (c) 2013-2015 INSIDE Secure Corporation |
| 20 | * Copyright (c) PeerSec Networks, 2002-2011 |
| 21 | * All Rights Reserved |
| 22 | * |
| 23 | * The latest version of this code is available at http://www.matrixssl.org |
| 24 | * |
| 25 | * This software is open source; you can redistribute it and/or modify |
| 26 | * it under the terms of the GNU General Public License as published by |
| 27 | * the Free Software Foundation; either version 2 of the License, or |
| 28 | * (at your option) any later version. |
| 29 | * |
| 30 | * This General Public License does NOT permit incorporating this software |
| 31 | * into proprietary programs. If you are unable to comply with the GPL, a |
| 32 | * commercial license for this software may be purchased from INSIDE at |
| 33 | * http://www.insidesecure.com/eng/Company/Locations |
| 34 | * |
| 35 | * This program is distributed in WITHOUT ANY WARRANTY; without even the |
| 36 | * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| 37 | * See the GNU General Public License for more details. |
| 38 | * |
| 39 | * You should have received a copy of the GNU General Public License |
| 40 | * along with this program; if not, write to the Free Software |
| 41 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 42 | * http://www.gnu.org/copyleft/gpl.html |
| 43 | */ |
| 44 | /******************************************************************************/ |
| 45 | |
Denys Vlasenko | 6b1b004 | 2017-01-19 15:51:00 +0100 | [diff] [blame] | 46 | //bbox |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 47 | //#include "../cryptoApi.h" |
| 48 | #ifndef DISABLE_PSTM |
| 49 | |
| 50 | /******************************************************************************/ |
| 51 | #if defined(PSTM_X86) |
| 52 | /* x86-32 optimized for 32 bit platforms. For 64 bit mode use X86_64 instead */ |
| 53 | #if !defined(__GNUC__) || !defined(__i386__) |
| 54 | #error "PSTM_X86 option requires GCC and 32 bit mode x86 processor" |
| 55 | #endif |
| 56 | //#pragma message ("Using 32 bit x86 Assembly Optimizations") |
| 57 | |
| 58 | #define COMBA_START |
| 59 | |
| 60 | #define CLEAR_CARRY \ |
| 61 | c0 = c1 = c2 = 0; |
| 62 | |
| 63 | #define COMBA_STORE(x) \ |
| 64 | x = c0; |
| 65 | |
| 66 | #define COMBA_STORE2(x) \ |
| 67 | x = c1; |
| 68 | |
| 69 | #define CARRY_FORWARD \ |
| 70 | do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| 71 | |
| 72 | #define COMBA_FINI |
| 73 | |
| 74 | #define SQRADD(i, j) \ |
| 75 | asm( \ |
| 76 | "movl %6,%%eax \n\t" \ |
| 77 | "mull %%eax \n\t" \ |
| 78 | "addl %%eax,%0 \n\t" \ |
| 79 | "adcl %%edx,%1 \n\t" \ |
| 80 | "adcl $0,%2 \n\t" \ |
Khem Raj | ee9e5f9 | 2019-03-06 21:06:10 -0800 | [diff] [blame^] | 81 | :"=rm"(c0), "=rm"(c1), "=rm"(c2): "0"(c0), "1"(c1), "2"(c2), "m"(i) :"%eax","%edx","cc"); |
Denys Vlasenko | 79376ec | 2017-07-15 17:13:08 +0200 | [diff] [blame] | 82 | //bbox: ^^^ replaced "=r" with "=rm": %ebx is not available on shared build |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 83 | |
| 84 | #define SQRADD2(i, j) \ |
| 85 | asm( \ |
| 86 | "movl %6,%%eax \n\t" \ |
| 87 | "mull %7 \n\t" \ |
| 88 | "addl %%eax,%0 \n\t" \ |
| 89 | "adcl %%edx,%1 \n\t" \ |
| 90 | "adcl $0,%2 \n\t" \ |
| 91 | "addl %%eax,%0 \n\t" \ |
| 92 | "adcl %%edx,%1 \n\t" \ |
| 93 | "adcl $0,%2 \n\t" \ |
Khem Raj | ee9e5f9 | 2019-03-06 21:06:10 -0800 | [diff] [blame^] | 94 | :"=rm"(c0), "=rm"(c1), "=rm"(c2): "0"(c0), "1"(c1), "2"(c2), "m"(i), "m"(j) :"%eax","%edx","cc"); |
Denys Vlasenko | 79376ec | 2017-07-15 17:13:08 +0200 | [diff] [blame] | 95 | //bbox: ^^^ replaced "=r" with "=rm": %ebx is not available on shared build |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 96 | |
| 97 | #define SQRADDSC(i, j) \ |
| 98 | asm( \ |
| 99 | "movl %6,%%eax \n\t" \ |
| 100 | "mull %7 \n\t" \ |
| 101 | "movl %%eax,%0 \n\t" \ |
| 102 | "movl %%edx,%1 \n\t" \ |
| 103 | "xorl %2,%2 \n\t" \ |
Khem Raj | ee9e5f9 | 2019-03-06 21:06:10 -0800 | [diff] [blame^] | 104 | :"=r"(sc0), "=r"(sc1), "=r"(sc2): "0"(sc0), "1"(sc1), "2"(sc2), "g"(i), "g"(j) :"%eax","%edx","cc"); |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 105 | |
| 106 | #define SQRADDAC(i, j) \ |
| 107 | asm( \ |
| 108 | "movl %6,%%eax \n\t" \ |
| 109 | "mull %7 \n\t" \ |
| 110 | "addl %%eax,%0 \n\t" \ |
| 111 | "adcl %%edx,%1 \n\t" \ |
| 112 | "adcl $0,%2 \n\t" \ |
Khem Raj | ee9e5f9 | 2019-03-06 21:06:10 -0800 | [diff] [blame^] | 113 | :"=r"(sc0), "=r"(sc1), "=r"(sc2): "0"(sc0), "1"(sc1), "2"(sc2), "g"(i), "g"(j) :"%eax","%edx","cc"); |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 114 | |
| 115 | #define SQRADDDB \ |
| 116 | asm( \ |
| 117 | "addl %6,%0 \n\t" \ |
| 118 | "adcl %7,%1 \n\t" \ |
| 119 | "adcl %8,%2 \n\t" \ |
| 120 | "addl %6,%0 \n\t" \ |
| 121 | "adcl %7,%1 \n\t" \ |
| 122 | "adcl %8,%2 \n\t" \ |
Khem Raj | ee9e5f9 | 2019-03-06 21:06:10 -0800 | [diff] [blame^] | 123 | :"=r"(c0), "=r"(c1), "=r"(c2) : "0"(c0), "1"(c1), "2"(c2), "r"(sc0), "r"(sc1), "r"(sc2) : "cc"); |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 124 | |
| 125 | /******************************************************************************/ |
| 126 | #elif defined(PSTM_X86_64) |
| 127 | /* x86-64 optimized */ |
| 128 | #if !defined(__GNUC__) || !defined(__x86_64__) || !defined(PSTM_64BIT) |
| 129 | #error "PSTM_X86_64 option requires PSTM_64BIT, GCC and 64 bit mode x86 processor" |
| 130 | #endif |
| 131 | //#pragma message ("Using 64 bit x86_64 Assembly Optimizations") |
| 132 | |
| 133 | #define COMBA_START |
| 134 | |
| 135 | #define CLEAR_CARRY \ |
| 136 | c0 = c1 = c2 = 0; |
| 137 | |
| 138 | #define COMBA_STORE(x) \ |
| 139 | x = c0; |
| 140 | |
| 141 | #define COMBA_STORE2(x) \ |
| 142 | x = c1; |
| 143 | |
| 144 | #define CARRY_FORWARD \ |
| 145 | do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| 146 | |
| 147 | #define COMBA_FINI |
| 148 | |
| 149 | #define SQRADD(i, j) \ |
| 150 | asm( \ |
| 151 | "movq %6,%%rax \n\t" \ |
| 152 | "mulq %%rax \n\t" \ |
| 153 | "addq %%rax,%0 \n\t" \ |
| 154 | "adcq %%rdx,%1 \n\t" \ |
| 155 | "adcq $0,%2 \n\t" \ |
| 156 | :"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "g"(i) :"%rax","%rdx","cc"); |
| 157 | |
| 158 | #define SQRADD2(i, j) \ |
| 159 | asm( \ |
| 160 | "movq %6,%%rax \n\t" \ |
| 161 | "mulq %7 \n\t" \ |
| 162 | "addq %%rax,%0 \n\t" \ |
| 163 | "adcq %%rdx,%1 \n\t" \ |
| 164 | "adcq $0,%2 \n\t" \ |
| 165 | "addq %%rax,%0 \n\t" \ |
| 166 | "adcq %%rdx,%1 \n\t" \ |
| 167 | "adcq $0,%2 \n\t" \ |
| 168 | :"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "g"(i), "g"(j) :"%rax","%rdx","cc"); |
| 169 | |
| 170 | #define SQRADDSC(i, j) \ |
| 171 | asm( \ |
| 172 | "movq %6,%%rax \n\t" \ |
| 173 | "mulq %7 \n\t" \ |
| 174 | "movq %%rax,%0 \n\t" \ |
| 175 | "movq %%rdx,%1 \n\t" \ |
| 176 | "xorq %2,%2 \n\t" \ |
| 177 | :"=r"(sc0), "=r"(sc1), "=r"(sc2): "0"(sc0), "1"(sc1), "2"(sc2), "g"(i), "g"(j) :"%rax","%rdx","cc"); |
| 178 | |
| 179 | #define SQRADDAC(i, j) \ |
| 180 | asm( \ |
| 181 | "movq %6,%%rax \n\t" \ |
| 182 | "mulq %7 \n\t" \ |
| 183 | "addq %%rax,%0 \n\t" \ |
| 184 | "adcq %%rdx,%1 \n\t" \ |
| 185 | "adcq $0,%2 \n\t" \ |
| 186 | :"=r"(sc0), "=r"(sc1), "=r"(sc2): "0"(sc0), "1"(sc1), "2"(sc2), "g"(i), "g"(j) :"%rax","%rdx","cc"); |
| 187 | |
| 188 | #define SQRADDDB \ |
| 189 | asm( \ |
| 190 | "addq %6,%0 \n\t" \ |
| 191 | "adcq %7,%1 \n\t" \ |
| 192 | "adcq %8,%2 \n\t" \ |
| 193 | "addq %6,%0 \n\t" \ |
| 194 | "adcq %7,%1 \n\t" \ |
| 195 | "adcq %8,%2 \n\t" \ |
| 196 | :"=r"(c0), "=r"(c1), "=r"(c2) : "0"(c0), "1"(c1), "2"(c2), "r"(sc0), "r"(sc1), "r"(sc2) : "cc"); |
| 197 | |
| 198 | /******************************************************************************/ |
| 199 | #elif defined(PSTM_ARM) |
| 200 | /* ARM code */ |
| 201 | //#pragma message ("Using 32 bit ARM Assembly Optimizations") |
| 202 | |
| 203 | #define COMBA_START |
| 204 | |
| 205 | #define CLEAR_CARRY \ |
| 206 | c0 = c1 = c2 = 0; |
| 207 | |
| 208 | #define COMBA_STORE(x) \ |
| 209 | x = c0; |
| 210 | |
| 211 | #define COMBA_STORE2(x) \ |
| 212 | x = c1; |
| 213 | |
| 214 | #define CARRY_FORWARD \ |
| 215 | do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| 216 | |
| 217 | #define COMBA_FINI |
| 218 | |
| 219 | /* multiplies point i and j, updates carry "c1" and digit c2 */ |
| 220 | #define SQRADD(i, j) \ |
| 221 | asm( \ |
| 222 | " UMULL r0,r1,%6,%6 \n\t" \ |
| 223 | " ADDS %0,%0,r0 \n\t" \ |
| 224 | " ADCS %1,%1,r1 \n\t" \ |
| 225 | " ADC %2,%2,#0 \n\t" \ |
Khem Raj | ee9e5f9 | 2019-03-06 21:06:10 -0800 | [diff] [blame^] | 226 | :"=r"(c0), "=r"(c1), "=r"(c2) : "0"(c0), "1"(c1), "2"(c2), "r"(i) : "r0", "r1", "cc"); |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 227 | |
| 228 | /* for squaring some of the terms are doubled... */ |
| 229 | #define SQRADD2(i, j) \ |
| 230 | asm( \ |
| 231 | " UMULL r0,r1,%6,%7 \n\t" \ |
| 232 | " ADDS %0,%0,r0 \n\t" \ |
| 233 | " ADCS %1,%1,r1 \n\t" \ |
| 234 | " ADC %2,%2,#0 \n\t" \ |
| 235 | " ADDS %0,%0,r0 \n\t" \ |
| 236 | " ADCS %1,%1,r1 \n\t" \ |
| 237 | " ADC %2,%2,#0 \n\t" \ |
Khem Raj | ee9e5f9 | 2019-03-06 21:06:10 -0800 | [diff] [blame^] | 238 | :"=r"(c0), "=r"(c1), "=r"(c2) : "0"(c0), "1"(c1), "2"(c2), "r"(i), "r"(j) : "r0", "r1", "cc"); |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 239 | |
| 240 | #define SQRADDSC(i, j) \ |
| 241 | asm( \ |
| 242 | " UMULL %0,%1,%6,%7 \n\t" \ |
| 243 | " SUB %2,%2,%2 \n\t" \ |
Khem Raj | ee9e5f9 | 2019-03-06 21:06:10 -0800 | [diff] [blame^] | 244 | :"=r"(sc0), "=r"(sc1), "=r"(sc2) : "0"(sc0), "1"(sc1), "2"(sc2), "r"(i), "r"(j) : "cc"); |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 245 | |
| 246 | #define SQRADDAC(i, j) \ |
| 247 | asm( \ |
| 248 | " UMULL r0,r1,%6,%7 \n\t" \ |
| 249 | " ADDS %0,%0,r0 \n\t" \ |
| 250 | " ADCS %1,%1,r1 \n\t" \ |
| 251 | " ADC %2,%2,#0 \n\t" \ |
Khem Raj | ee9e5f9 | 2019-03-06 21:06:10 -0800 | [diff] [blame^] | 252 | :"=r"(sc0), "=r"(sc1), "=r"(sc2) : "0"(sc0), "1"(sc1), "2"(sc2), "r"(i), "r"(j) : "r0", "r1", "cc"); |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 253 | |
| 254 | #define SQRADDDB \ |
| 255 | asm( \ |
| 256 | " ADDS %0,%0,%3 \n\t" \ |
| 257 | " ADCS %1,%1,%4 \n\t" \ |
| 258 | " ADC %2,%2,%5 \n\t" \ |
| 259 | " ADDS %0,%0,%3 \n\t" \ |
| 260 | " ADCS %1,%1,%4 \n\t" \ |
| 261 | " ADC %2,%2,%5 \n\t" \ |
Khem Raj | ee9e5f9 | 2019-03-06 21:06:10 -0800 | [diff] [blame^] | 262 | :"=r"(c0), "=r"(c1), "=r"(c2) : "r"(sc0), "r"(sc1), "r"(sc2), "0"(c0), "1"(c1), "2"(c2) : "cc"); |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 263 | |
| 264 | /******************************************************************************/ |
| 265 | #elif defined(PSTM_MIPS) |
| 266 | /* MIPS32 */ |
| 267 | //#pragma message ("Using 32 bit MIPS Assembly Optimizations") |
| 268 | |
| 269 | #define COMBA_START |
| 270 | |
| 271 | #define CLEAR_CARRY \ |
| 272 | c0 = c1 = c2 = 0; |
| 273 | |
| 274 | #define COMBA_STORE(x) \ |
| 275 | x = c0; |
| 276 | |
| 277 | #define COMBA_STORE2(x) \ |
| 278 | x = c1; |
| 279 | |
| 280 | #define CARRY_FORWARD \ |
| 281 | do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| 282 | |
| 283 | #define COMBA_FINI |
| 284 | |
| 285 | /* multiplies point i and j, updates carry "c1" and digit c2 */ |
| 286 | #define SQRADD(i, j) \ |
| 287 | asm( \ |
| 288 | " multu %6,%6 \n\t" \ |
| 289 | " mflo $12 \n\t" \ |
| 290 | " mfhi $13 \n\t" \ |
| 291 | " addu %0,%0,$12 \n\t" \ |
| 292 | " sltu $12,%0,$12 \n\t" \ |
| 293 | " addu %1,%1,$13 \n\t" \ |
| 294 | " sltu $13,%1,$13 \n\t" \ |
| 295 | " addu %1,%1,$12 \n\t" \ |
| 296 | " sltu $12,%1,$12 \n\t" \ |
| 297 | " addu %2,%2,$13 \n\t" \ |
| 298 | " addu %2,%2,$12 \n\t" \ |
| 299 | :"=r"(c0), "=r"(c1), "=r"(c2):"0"(c0), "1"(c1), "2"(c2), "r"(i):"$12","$13"); |
| 300 | |
| 301 | /* for squaring some of the terms are doubled... */ |
| 302 | #define SQRADD2(i, j) \ |
| 303 | asm( \ |
| 304 | " multu %6,%7 \n\t" \ |
| 305 | " mflo $12 \n\t" \ |
| 306 | " mfhi $13 \n\t" \ |
| 307 | \ |
| 308 | " addu %0,%0,$12 \n\t" \ |
| 309 | " sltu $14,%0,$12 \n\t" \ |
| 310 | " addu %1,%1,$13 \n\t" \ |
| 311 | " sltu $15,%1,$13 \n\t" \ |
| 312 | " addu %1,%1,$14 \n\t" \ |
| 313 | " sltu $14,%1,$14 \n\t" \ |
| 314 | " addu %2,%2,$15 \n\t" \ |
| 315 | " addu %2,%2,$14 \n\t" \ |
| 316 | \ |
| 317 | " addu %0,%0,$12 \n\t" \ |
| 318 | " sltu $14,%0,$12 \n\t" \ |
| 319 | " addu %1,%1,$13 \n\t" \ |
| 320 | " sltu $15,%1,$13 \n\t" \ |
| 321 | " addu %1,%1,$14 \n\t" \ |
| 322 | " sltu $14,%1,$14 \n\t" \ |
| 323 | " addu %2,%2,$15 \n\t" \ |
| 324 | " addu %2,%2,$14 \n\t" \ |
| 325 | :"=r"(c0), "=r"(c1), "=r"(c2):"0"(c0), "1"(c1), "2"(c2), "r"(i), "r"(j):"$12", "$13", "$14", "$15"); |
| 326 | |
| 327 | #define SQRADDSC(i, j) \ |
| 328 | asm( \ |
| 329 | " multu %6,%7 \n\t" \ |
| 330 | " mflo %0 \n\t" \ |
| 331 | " mfhi %1 \n\t" \ |
| 332 | " xor %2,%2,%2 \n\t" \ |
Khem Raj | ee9e5f9 | 2019-03-06 21:06:10 -0800 | [diff] [blame^] | 333 | :"=r"(sc0), "=r"(sc1), "=r"(sc2):"0"(sc0), "1"(sc1), "2"(sc2), "r"(i),"r"(j) : "cc"); |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 334 | |
| 335 | #define SQRADDAC(i, j) \ |
| 336 | asm( \ |
| 337 | " multu %6,%7 \n\t" \ |
| 338 | " mflo $12 \n\t" \ |
| 339 | " mfhi $13 \n\t" \ |
| 340 | " addu %0,%0,$12 \n\t" \ |
| 341 | " sltu $12,%0,$12 \n\t" \ |
| 342 | " addu %1,%1,$13 \n\t" \ |
| 343 | " sltu $13,%1,$13 \n\t" \ |
| 344 | " addu %1,%1,$12 \n\t" \ |
| 345 | " sltu $12,%1,$12 \n\t" \ |
| 346 | " addu %2,%2,$13 \n\t" \ |
| 347 | " addu %2,%2,$12 \n\t" \ |
| 348 | :"=r"(sc0), "=r"(sc1), "=r"(sc2):"0"(sc0), "1"(sc1), "2"(sc2), "r"(i), "r"(j):"$12", "$13", "$14"); |
| 349 | |
| 350 | #define SQRADDDB \ |
| 351 | asm( \ |
| 352 | " addu %0,%0,%3 \n\t" \ |
| 353 | " sltu $10,%0,%3 \n\t" \ |
| 354 | " addu %1,%1,$10 \n\t" \ |
| 355 | " sltu $10,%1,$10 \n\t" \ |
| 356 | " addu %1,%1,%4 \n\t" \ |
| 357 | " sltu $11,%1,%4 \n\t" \ |
| 358 | " addu %2,%2,$10 \n\t" \ |
| 359 | " addu %2,%2,$11 \n\t" \ |
| 360 | " addu %2,%2,%5 \n\t" \ |
| 361 | \ |
| 362 | " addu %0,%0,%3 \n\t" \ |
| 363 | " sltu $10,%0,%3 \n\t" \ |
| 364 | " addu %1,%1,$10 \n\t" \ |
| 365 | " sltu $10,%1,$10 \n\t" \ |
| 366 | " addu %1,%1,%4 \n\t" \ |
| 367 | " sltu $11,%1,%4 \n\t" \ |
| 368 | " addu %2,%2,$10 \n\t" \ |
| 369 | " addu %2,%2,$11 \n\t" \ |
| 370 | " addu %2,%2,%5 \n\t" \ |
| 371 | :"=r"(c0), "=r"(c1), "=r"(c2) : "r"(sc0), "r"(sc1), "r"(sc2), "0"(c0), "1"(c1), "2"(c2) : "$10", "$11"); |
| 372 | |
| 373 | #else |
| 374 | /******************************************************************************/ |
| 375 | #define PSTM_ISO |
| 376 | /* ISO C portable code */ |
| 377 | |
| 378 | #define COMBA_START |
| 379 | |
| 380 | #define CLEAR_CARRY \ |
| 381 | c0 = c1 = c2 = 0; |
| 382 | |
| 383 | #define COMBA_STORE(x) \ |
| 384 | x = c0; |
| 385 | |
| 386 | #define COMBA_STORE2(x) \ |
| 387 | x = c1; |
| 388 | |
| 389 | #define CARRY_FORWARD \ |
| 390 | do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| 391 | |
| 392 | #define COMBA_FINI |
| 393 | |
| 394 | /* multiplies point i and j, updates carry "c1" and digit c2 */ |
| 395 | #define SQRADD(i, j) \ |
| 396 | do { pstm_word t; \ |
| 397 | t = c0 + ((pstm_word)i) * ((pstm_word)j); c0 = (pstm_digit)t; \ |
| 398 | t = c1 + (t >> DIGIT_BIT); \ |
| 399 | c1 = (pstm_digit)t; c2 += (pstm_digit)(t >> DIGIT_BIT); \ |
| 400 | } while (0); |
| 401 | |
| 402 | |
| 403 | /* for squaring some of the terms are doubled... */ |
| 404 | #define SQRADD2(i, j) \ |
| 405 | do { pstm_word t; \ |
| 406 | t = ((pstm_word)i) * ((pstm_word)j); \ |
| 407 | tt = (pstm_word)c0 + t; c0 = (pstm_digit)tt; \ |
| 408 | tt = (pstm_word)c1 + (tt >> DIGIT_BIT); \ |
| 409 | c1 = (pstm_digit)tt; c2 += (pstm_digit)(tt >> DIGIT_BIT); \ |
| 410 | tt = (pstm_word)c0 + t; c0 = (pstm_digit)tt; \ |
| 411 | tt = (pstm_word)c1 + (tt >> DIGIT_BIT); \ |
| 412 | c1 = (pstm_digit)tt; c2 += (pstm_digit)(tt >> DIGIT_BIT); \ |
| 413 | } while (0); |
| 414 | |
| 415 | #define SQRADDSC(i, j) \ |
| 416 | do { pstm_word t; \ |
| 417 | t = ((pstm_word)i) * ((pstm_word)j); \ |
| 418 | sc0 = (pstm_digit)t; sc1 = (pstm_digit)(t >> DIGIT_BIT); sc2 = 0; \ |
| 419 | } while (0); |
| 420 | |
| 421 | #define SQRADDAC(i, j) \ |
| 422 | do { pstm_word t; \ |
| 423 | t = ((pstm_word)sc0) + ((pstm_word)i) * ((pstm_word)j); \ |
| 424 | sc0 = (pstm_digit)t; \ |
| 425 | t = ((pstm_word)sc1) + (t >> DIGIT_BIT); sc1 = (pstm_digit)t; \ |
| 426 | sc2 += (pstm_digit)(t >> DIGIT_BIT); \ |
| 427 | } while (0); |
| 428 | |
| 429 | #define SQRADDDB \ |
| 430 | do { pstm_word t; \ |
| 431 | t = ((pstm_word)sc0) + ((pstm_word)sc0) + ((pstm_word)c0); \ |
| 432 | c0 = (pstm_digit)t; \ |
| 433 | t = ((pstm_word)sc1) + ((pstm_word)sc1) + c1 + (t >> DIGIT_BIT); \ |
| 434 | c1 = (pstm_digit)t; \ |
| 435 | c2 = c2 + sc2 + sc2 + (pstm_digit)(t >> DIGIT_BIT); \ |
| 436 | } while (0); |
| 437 | |
| 438 | #endif /* ISO_C */ |
| 439 | |
| 440 | /******************************************************************************/ |
| 441 | /* |
| 442 | Non-unrolled comba squarer |
| 443 | */ |
Denys Vlasenko | 6b1b004 | 2017-01-19 15:51:00 +0100 | [diff] [blame] | 444 | //bbox: pool unused |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 445 | #define pstm_sqr_comba_gen(pool, A, B, paD, paDlen) \ |
| 446 | pstm_sqr_comba_gen( A, B, paD, paDlen) |
| 447 | static int32 pstm_sqr_comba_gen(psPool_t *pool, pstm_int *A, pstm_int *B, |
| 448 | pstm_digit *paD, uint32 paDlen) |
| 449 | { |
Denys Vlasenko | 3d7ec48 | 2017-07-15 17:19:38 +0200 | [diff] [blame] | 450 | int paDfail, pa; //bbox: was int16 |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 451 | int32 ix, iz; |
| 452 | pstm_digit c0, c1, c2, *dst; |
| 453 | #ifdef PSTM_ISO |
| 454 | pstm_word tt; |
| 455 | #endif |
| 456 | |
| 457 | paDfail = 0; |
| 458 | /* get size of output and trim */ |
| 459 | pa = A->used + A->used; |
| 460 | |
| 461 | /* number of output digits to produce */ |
| 462 | COMBA_START; |
| 463 | CLEAR_CARRY; |
| 464 | /* |
| 465 | If b is not large enough grow it and continue |
| 466 | */ |
| 467 | if (B->alloc < pa) { |
| 468 | if (pstm_grow(B, pa) != PSTM_OKAY) { |
| 469 | return PS_MEM_FAIL; |
| 470 | } |
| 471 | } |
| 472 | if (paD != NULL) { |
| 473 | if (paDlen < (sizeof(pstm_digit) * pa)) { |
| 474 | paDfail = 1; /* have a paD, but it's not big enough */ |
Denys Vlasenko | 6b1b004 | 2017-01-19 15:51:00 +0100 | [diff] [blame] | 475 | dst = xzalloc(sizeof(pstm_digit) * pa);//bbox |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 476 | } else { |
| 477 | dst = paD; |
| 478 | memset(dst, 0x0, paDlen); |
| 479 | } |
| 480 | } else { |
Denys Vlasenko | 6b1b004 | 2017-01-19 15:51:00 +0100 | [diff] [blame] | 481 | dst = xzalloc(sizeof(pstm_digit) * pa);//bbox |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 482 | } |
| 483 | |
| 484 | for (ix = 0; ix < pa; ix++) { |
| 485 | int32 tx, ty, iy; |
| 486 | pstm_digit *tmpy, *tmpx; |
| 487 | |
| 488 | /* get offsets into the two bignums */ |
| 489 | ty = min(A->used-1, ix); |
| 490 | tx = ix - ty; |
| 491 | |
| 492 | /* setup temp aliases */ |
| 493 | tmpx = A->dp + tx; |
| 494 | tmpy = A->dp + ty; |
| 495 | |
| 496 | /* |
| 497 | This is the number of times the loop will iterate, |
| 498 | while (tx++ < a->used && ty-- >= 0) { ... } |
| 499 | */ |
| 500 | iy = min(A->used-tx, ty+1); |
| 501 | |
| 502 | /* |
| 503 | now for squaring tx can never equal ty. We halve the distance since |
| 504 | they approach at a rate of 2x and we have to round because odd cases |
| 505 | need to be executed |
| 506 | */ |
| 507 | iy = min(iy, (ty-tx+1)>>1); |
| 508 | |
| 509 | /* forward carries */ |
| 510 | CARRY_FORWARD; |
| 511 | |
| 512 | /* execute loop */ |
| 513 | for (iz = 0; iz < iy; iz++) { |
| 514 | SQRADD2(*tmpx++, *tmpy--); |
| 515 | } |
| 516 | |
| 517 | /* even columns have the square term in them */ |
| 518 | if ((ix&1) == 0) { |
| 519 | SQRADD(A->dp[ix>>1], A->dp[ix>>1]); |
| 520 | } |
| 521 | |
| 522 | /* store it */ |
| 523 | COMBA_STORE(dst[ix]); |
| 524 | } |
| 525 | |
| 526 | COMBA_FINI; |
| 527 | /* |
| 528 | setup dest |
| 529 | */ |
| 530 | iz = B->used; |
| 531 | B->used = pa; |
| 532 | { |
| 533 | pstm_digit *tmpc; |
| 534 | tmpc = B->dp; |
| 535 | for (ix = 0; ix < pa; ix++) { |
| 536 | *tmpc++ = dst[ix]; |
| 537 | } |
| 538 | /* clear unused digits (that existed in the old copy of c) */ |
| 539 | for (; ix < iz; ix++) { |
| 540 | *tmpc++ = 0; |
| 541 | } |
| 542 | } |
| 543 | pstm_clamp(B); |
| 544 | |
| 545 | if ((paD == NULL) || paDfail == 1) { |
| 546 | psFree(dst, pool); |
| 547 | } |
| 548 | return PS_SUCCESS; |
| 549 | } |
| 550 | |
| 551 | /******************************************************************************/ |
| 552 | /* |
| 553 | Unrolled Comba loop for 1024 bit keys |
| 554 | */ |
| 555 | #ifdef USE_1024_KEY_SPEED_OPTIMIZATIONS |
| 556 | static int32 pstm_sqr_comba16(pstm_int *A, pstm_int *B) |
| 557 | { |
| 558 | pstm_digit *a, b[32], c0, c1, c2, sc0, sc1, sc2; |
| 559 | #ifdef PSTM_ISO |
| 560 | pstm_word tt; |
| 561 | #endif |
| 562 | |
| 563 | if (B->alloc < 32) { |
| 564 | if (pstm_grow(B, 32) != PSTM_OKAY) { |
| 565 | return PS_MEM_FAIL; |
| 566 | } |
| 567 | } |
| 568 | a = A->dp; |
| 569 | sc0 = sc1 = sc2 = 0; |
| 570 | |
| 571 | COMBA_START; |
| 572 | |
| 573 | /* clear carries */ |
| 574 | CLEAR_CARRY; |
| 575 | |
| 576 | /* output 0 */ |
| 577 | SQRADD(a[0],a[0]); |
| 578 | COMBA_STORE(b[0]); |
| 579 | |
| 580 | /* output 1 */ |
| 581 | CARRY_FORWARD; |
| 582 | SQRADD2(a[0], a[1]); |
| 583 | COMBA_STORE(b[1]); |
| 584 | |
| 585 | /* output 2 */ |
| 586 | CARRY_FORWARD; |
| 587 | SQRADD2(a[0], a[2]); SQRADD(a[1], a[1]); |
| 588 | COMBA_STORE(b[2]); |
| 589 | |
| 590 | /* output 3 */ |
| 591 | CARRY_FORWARD; |
| 592 | SQRADD2(a[0], a[3]); SQRADD2(a[1], a[2]); |
| 593 | COMBA_STORE(b[3]); |
| 594 | |
| 595 | /* output 4 */ |
| 596 | CARRY_FORWARD; |
| 597 | SQRADD2(a[0], a[4]); SQRADD2(a[1], a[3]); SQRADD(a[2], a[2]); |
| 598 | COMBA_STORE(b[4]); |
| 599 | |
| 600 | /* output 5 */ |
| 601 | CARRY_FORWARD; |
| 602 | SQRADDSC(a[0], a[5]); SQRADDAC(a[1], a[4]); SQRADDAC(a[2], a[3]); SQRADDDB; |
| 603 | COMBA_STORE(b[5]); |
| 604 | |
| 605 | /* output 6 */ |
| 606 | CARRY_FORWARD; |
| 607 | SQRADDSC(a[0], a[6]); SQRADDAC(a[1], a[5]); SQRADDAC(a[2], a[4]); SQRADDDB; SQRADD(a[3], a[3]); |
| 608 | COMBA_STORE(b[6]); |
| 609 | |
| 610 | /* output 7 */ |
| 611 | CARRY_FORWARD; |
| 612 | SQRADDSC(a[0], a[7]); SQRADDAC(a[1], a[6]); SQRADDAC(a[2], a[5]); SQRADDAC(a[3], a[4]); SQRADDDB; |
| 613 | COMBA_STORE(b[7]); |
| 614 | |
| 615 | /* output 8 */ |
| 616 | CARRY_FORWARD; |
| 617 | SQRADDSC(a[0], a[8]); SQRADDAC(a[1], a[7]); SQRADDAC(a[2], a[6]); SQRADDAC(a[3], a[5]); SQRADDDB; SQRADD(a[4], a[4]); |
| 618 | COMBA_STORE(b[8]); |
| 619 | |
| 620 | /* output 9 */ |
| 621 | CARRY_FORWARD; |
| 622 | SQRADDSC(a[0], a[9]); SQRADDAC(a[1], a[8]); SQRADDAC(a[2], a[7]); SQRADDAC(a[3], a[6]); SQRADDAC(a[4], a[5]); SQRADDDB; |
| 623 | COMBA_STORE(b[9]); |
| 624 | |
| 625 | /* output 10 */ |
| 626 | CARRY_FORWARD; |
| 627 | SQRADDSC(a[0], a[10]); SQRADDAC(a[1], a[9]); SQRADDAC(a[2], a[8]); SQRADDAC(a[3], a[7]); SQRADDAC(a[4], a[6]); SQRADDDB; SQRADD(a[5], a[5]); |
| 628 | COMBA_STORE(b[10]); |
| 629 | |
| 630 | /* output 11 */ |
| 631 | CARRY_FORWARD; |
| 632 | SQRADDSC(a[0], a[11]); SQRADDAC(a[1], a[10]); SQRADDAC(a[2], a[9]); SQRADDAC(a[3], a[8]); SQRADDAC(a[4], a[7]); SQRADDAC(a[5], a[6]); SQRADDDB; |
| 633 | COMBA_STORE(b[11]); |
| 634 | |
| 635 | /* output 12 */ |
| 636 | CARRY_FORWARD; |
| 637 | SQRADDSC(a[0], a[12]); SQRADDAC(a[1], a[11]); SQRADDAC(a[2], a[10]); SQRADDAC(a[3], a[9]); SQRADDAC(a[4], a[8]); SQRADDAC(a[5], a[7]); SQRADDDB; SQRADD(a[6], a[6]); |
| 638 | COMBA_STORE(b[12]); |
| 639 | |
| 640 | /* output 13 */ |
| 641 | CARRY_FORWARD; |
| 642 | SQRADDSC(a[0], a[13]); SQRADDAC(a[1], a[12]); SQRADDAC(a[2], a[11]); SQRADDAC(a[3], a[10]); SQRADDAC(a[4], a[9]); SQRADDAC(a[5], a[8]); SQRADDAC(a[6], a[7]); SQRADDDB; |
| 643 | COMBA_STORE(b[13]); |
| 644 | |
| 645 | /* output 14 */ |
| 646 | CARRY_FORWARD; |
| 647 | SQRADDSC(a[0], a[14]); SQRADDAC(a[1], a[13]); SQRADDAC(a[2], a[12]); SQRADDAC(a[3], a[11]); SQRADDAC(a[4], a[10]); SQRADDAC(a[5], a[9]); SQRADDAC(a[6], a[8]); SQRADDDB; SQRADD(a[7], a[7]); |
| 648 | COMBA_STORE(b[14]); |
| 649 | |
| 650 | /* output 15 */ |
| 651 | CARRY_FORWARD; |
| 652 | SQRADDSC(a[0], a[15]); SQRADDAC(a[1], a[14]); SQRADDAC(a[2], a[13]); SQRADDAC(a[3], a[12]); SQRADDAC(a[4], a[11]); SQRADDAC(a[5], a[10]); SQRADDAC(a[6], a[9]); SQRADDAC(a[7], a[8]); SQRADDDB; |
| 653 | COMBA_STORE(b[15]); |
| 654 | |
| 655 | /* output 16 */ |
| 656 | CARRY_FORWARD; |
| 657 | SQRADDSC(a[1], a[15]); SQRADDAC(a[2], a[14]); SQRADDAC(a[3], a[13]); SQRADDAC(a[4], a[12]); SQRADDAC(a[5], a[11]); SQRADDAC(a[6], a[10]); SQRADDAC(a[7], a[9]); SQRADDDB; SQRADD(a[8], a[8]); |
| 658 | COMBA_STORE(b[16]); |
| 659 | |
| 660 | /* output 17 */ |
| 661 | CARRY_FORWARD; |
| 662 | SQRADDSC(a[2], a[15]); SQRADDAC(a[3], a[14]); SQRADDAC(a[4], a[13]); SQRADDAC(a[5], a[12]); SQRADDAC(a[6], a[11]); SQRADDAC(a[7], a[10]); SQRADDAC(a[8], a[9]); SQRADDDB; |
| 663 | COMBA_STORE(b[17]); |
| 664 | |
| 665 | /* output 18 */ |
| 666 | CARRY_FORWARD; |
| 667 | SQRADDSC(a[3], a[15]); SQRADDAC(a[4], a[14]); SQRADDAC(a[5], a[13]); SQRADDAC(a[6], a[12]); SQRADDAC(a[7], a[11]); SQRADDAC(a[8], a[10]); SQRADDDB; SQRADD(a[9], a[9]); |
| 668 | COMBA_STORE(b[18]); |
| 669 | |
| 670 | /* output 19 */ |
| 671 | CARRY_FORWARD; |
| 672 | SQRADDSC(a[4], a[15]); SQRADDAC(a[5], a[14]); SQRADDAC(a[6], a[13]); SQRADDAC(a[7], a[12]); SQRADDAC(a[8], a[11]); SQRADDAC(a[9], a[10]); SQRADDDB; |
| 673 | COMBA_STORE(b[19]); |
| 674 | |
| 675 | /* output 20 */ |
| 676 | CARRY_FORWARD; |
| 677 | SQRADDSC(a[5], a[15]); SQRADDAC(a[6], a[14]); SQRADDAC(a[7], a[13]); SQRADDAC(a[8], a[12]); SQRADDAC(a[9], a[11]); SQRADDDB; SQRADD(a[10], a[10]); |
| 678 | COMBA_STORE(b[20]); |
| 679 | |
| 680 | /* output 21 */ |
| 681 | CARRY_FORWARD; |
| 682 | SQRADDSC(a[6], a[15]); SQRADDAC(a[7], a[14]); SQRADDAC(a[8], a[13]); SQRADDAC(a[9], a[12]); SQRADDAC(a[10], a[11]); SQRADDDB; |
| 683 | COMBA_STORE(b[21]); |
| 684 | |
| 685 | /* output 22 */ |
| 686 | CARRY_FORWARD; |
| 687 | SQRADDSC(a[7], a[15]); SQRADDAC(a[8], a[14]); SQRADDAC(a[9], a[13]); SQRADDAC(a[10], a[12]); SQRADDDB; SQRADD(a[11], a[11]); |
| 688 | COMBA_STORE(b[22]); |
| 689 | |
| 690 | /* output 23 */ |
| 691 | CARRY_FORWARD; |
| 692 | SQRADDSC(a[8], a[15]); SQRADDAC(a[9], a[14]); SQRADDAC(a[10], a[13]); SQRADDAC(a[11], a[12]); SQRADDDB; |
| 693 | COMBA_STORE(b[23]); |
| 694 | |
| 695 | /* output 24 */ |
| 696 | CARRY_FORWARD; |
| 697 | SQRADDSC(a[9], a[15]); SQRADDAC(a[10], a[14]); SQRADDAC(a[11], a[13]); SQRADDDB; SQRADD(a[12], a[12]); |
| 698 | COMBA_STORE(b[24]); |
| 699 | |
| 700 | /* output 25 */ |
| 701 | CARRY_FORWARD; |
| 702 | SQRADDSC(a[10], a[15]); SQRADDAC(a[11], a[14]); SQRADDAC(a[12], a[13]); SQRADDDB; |
| 703 | COMBA_STORE(b[25]); |
| 704 | |
| 705 | /* output 26 */ |
| 706 | CARRY_FORWARD; |
| 707 | SQRADD2(a[11], a[15]); SQRADD2(a[12], a[14]); SQRADD(a[13], a[13]); |
| 708 | COMBA_STORE(b[26]); |
| 709 | |
| 710 | /* output 27 */ |
| 711 | CARRY_FORWARD; |
| 712 | SQRADD2(a[12], a[15]); SQRADD2(a[13], a[14]); |
| 713 | COMBA_STORE(b[27]); |
| 714 | |
| 715 | /* output 28 */ |
| 716 | CARRY_FORWARD; |
| 717 | SQRADD2(a[13], a[15]); SQRADD(a[14], a[14]); |
| 718 | COMBA_STORE(b[28]); |
| 719 | |
| 720 | /* output 29 */ |
| 721 | CARRY_FORWARD; |
| 722 | SQRADD2(a[14], a[15]); |
| 723 | COMBA_STORE(b[29]); |
| 724 | |
| 725 | /* output 30 */ |
| 726 | CARRY_FORWARD; |
| 727 | SQRADD(a[15], a[15]); |
| 728 | COMBA_STORE(b[30]); |
| 729 | COMBA_STORE2(b[31]); |
| 730 | COMBA_FINI; |
| 731 | |
| 732 | B->used = 32; |
| 733 | B->sign = PSTM_ZPOS; |
| 734 | memcpy(B->dp, b, 32 * sizeof(pstm_digit)); |
| 735 | pstm_clamp(B); |
| 736 | return PSTM_OKAY; |
| 737 | } |
| 738 | #endif /* USE_1024_KEY_SPEED_OPTIMIZATIONS */ |
| 739 | |
| 740 | |
| 741 | #ifdef USE_2048_KEY_SPEED_OPTIMIZATIONS |
| 742 | static int32 pstm_sqr_comba32(pstm_int *A, pstm_int *B) |
| 743 | { |
| 744 | pstm_digit *a, b[64], c0, c1, c2, sc0, sc1, sc2; |
| 745 | #ifdef PSTM_ISO |
| 746 | pstm_word tt; |
| 747 | #endif |
| 748 | |
| 749 | if (B->alloc < 64) { |
| 750 | if (pstm_grow(B, 64) != PSTM_OKAY) { |
| 751 | return PS_MEM_FAIL; |
| 752 | } |
| 753 | } |
| 754 | sc0 = sc1 = sc2 = 0; |
| 755 | a = A->dp; |
| 756 | COMBA_START; |
| 757 | |
| 758 | /* clear carries */ |
| 759 | CLEAR_CARRY; |
| 760 | |
| 761 | /* output 0 */ |
| 762 | SQRADD(a[0],a[0]); |
| 763 | COMBA_STORE(b[0]); |
| 764 | |
| 765 | /* output 1 */ |
| 766 | CARRY_FORWARD; |
| 767 | SQRADD2(a[0], a[1]); |
| 768 | COMBA_STORE(b[1]); |
| 769 | |
| 770 | /* output 2 */ |
| 771 | CARRY_FORWARD; |
| 772 | SQRADD2(a[0], a[2]); SQRADD(a[1], a[1]); |
| 773 | COMBA_STORE(b[2]); |
| 774 | |
| 775 | /* output 3 */ |
| 776 | CARRY_FORWARD; |
| 777 | SQRADD2(a[0], a[3]); SQRADD2(a[1], a[2]); |
| 778 | COMBA_STORE(b[3]); |
| 779 | |
| 780 | /* output 4 */ |
| 781 | CARRY_FORWARD; |
| 782 | SQRADD2(a[0], a[4]); SQRADD2(a[1], a[3]); SQRADD(a[2], a[2]); |
| 783 | COMBA_STORE(b[4]); |
| 784 | |
| 785 | /* output 5 */ |
| 786 | CARRY_FORWARD; |
| 787 | SQRADDSC(a[0], a[5]); SQRADDAC(a[1], a[4]); SQRADDAC(a[2], a[3]); SQRADDDB; |
| 788 | COMBA_STORE(b[5]); |
| 789 | |
| 790 | /* output 6 */ |
| 791 | CARRY_FORWARD; |
| 792 | SQRADDSC(a[0], a[6]); SQRADDAC(a[1], a[5]); SQRADDAC(a[2], a[4]); SQRADDDB; SQRADD(a[3], a[3]); |
| 793 | COMBA_STORE(b[6]); |
| 794 | |
| 795 | /* output 7 */ |
| 796 | CARRY_FORWARD; |
| 797 | SQRADDSC(a[0], a[7]); SQRADDAC(a[1], a[6]); SQRADDAC(a[2], a[5]); SQRADDAC(a[3], a[4]); SQRADDDB; |
| 798 | COMBA_STORE(b[7]); |
| 799 | |
| 800 | /* output 8 */ |
| 801 | CARRY_FORWARD; |
| 802 | SQRADDSC(a[0], a[8]); SQRADDAC(a[1], a[7]); SQRADDAC(a[2], a[6]); SQRADDAC(a[3], a[5]); SQRADDDB; SQRADD(a[4], a[4]); |
| 803 | COMBA_STORE(b[8]); |
| 804 | |
| 805 | /* output 9 */ |
| 806 | CARRY_FORWARD; |
| 807 | SQRADDSC(a[0], a[9]); SQRADDAC(a[1], a[8]); SQRADDAC(a[2], a[7]); SQRADDAC(a[3], a[6]); SQRADDAC(a[4], a[5]); SQRADDDB; |
| 808 | COMBA_STORE(b[9]); |
| 809 | |
| 810 | /* output 10 */ |
| 811 | CARRY_FORWARD; |
| 812 | SQRADDSC(a[0], a[10]); SQRADDAC(a[1], a[9]); SQRADDAC(a[2], a[8]); SQRADDAC(a[3], a[7]); SQRADDAC(a[4], a[6]); SQRADDDB; SQRADD(a[5], a[5]); |
| 813 | COMBA_STORE(b[10]); |
| 814 | |
| 815 | /* output 11 */ |
| 816 | CARRY_FORWARD; |
| 817 | SQRADDSC(a[0], a[11]); SQRADDAC(a[1], a[10]); SQRADDAC(a[2], a[9]); SQRADDAC(a[3], a[8]); SQRADDAC(a[4], a[7]); SQRADDAC(a[5], a[6]); SQRADDDB; |
| 818 | COMBA_STORE(b[11]); |
| 819 | |
| 820 | /* output 12 */ |
| 821 | CARRY_FORWARD; |
| 822 | SQRADDSC(a[0], a[12]); SQRADDAC(a[1], a[11]); SQRADDAC(a[2], a[10]); SQRADDAC(a[3], a[9]); SQRADDAC(a[4], a[8]); SQRADDAC(a[5], a[7]); SQRADDDB; SQRADD(a[6], a[6]); |
| 823 | COMBA_STORE(b[12]); |
| 824 | |
| 825 | /* output 13 */ |
| 826 | CARRY_FORWARD; |
| 827 | SQRADDSC(a[0], a[13]); SQRADDAC(a[1], a[12]); SQRADDAC(a[2], a[11]); SQRADDAC(a[3], a[10]); SQRADDAC(a[4], a[9]); SQRADDAC(a[5], a[8]); SQRADDAC(a[6], a[7]); SQRADDDB; |
| 828 | COMBA_STORE(b[13]); |
| 829 | |
| 830 | /* output 14 */ |
| 831 | CARRY_FORWARD; |
| 832 | SQRADDSC(a[0], a[14]); SQRADDAC(a[1], a[13]); SQRADDAC(a[2], a[12]); SQRADDAC(a[3], a[11]); SQRADDAC(a[4], a[10]); SQRADDAC(a[5], a[9]); SQRADDAC(a[6], a[8]); SQRADDDB; SQRADD(a[7], a[7]); |
| 833 | COMBA_STORE(b[14]); |
| 834 | |
| 835 | /* output 15 */ |
| 836 | CARRY_FORWARD; |
| 837 | SQRADDSC(a[0], a[15]); SQRADDAC(a[1], a[14]); SQRADDAC(a[2], a[13]); SQRADDAC(a[3], a[12]); SQRADDAC(a[4], a[11]); SQRADDAC(a[5], a[10]); SQRADDAC(a[6], a[9]); SQRADDAC(a[7], a[8]); SQRADDDB; |
| 838 | COMBA_STORE(b[15]); |
| 839 | |
| 840 | /* output 16 */ |
| 841 | CARRY_FORWARD; |
| 842 | SQRADDSC(a[0], a[16]); SQRADDAC(a[1], a[15]); SQRADDAC(a[2], a[14]); SQRADDAC(a[3], a[13]); SQRADDAC(a[4], a[12]); SQRADDAC(a[5], a[11]); SQRADDAC(a[6], a[10]); SQRADDAC(a[7], a[9]); SQRADDDB; SQRADD(a[8], a[8]); |
| 843 | COMBA_STORE(b[16]); |
| 844 | |
| 845 | /* output 17 */ |
| 846 | CARRY_FORWARD; |
| 847 | SQRADDSC(a[0], a[17]); SQRADDAC(a[1], a[16]); SQRADDAC(a[2], a[15]); SQRADDAC(a[3], a[14]); SQRADDAC(a[4], a[13]); SQRADDAC(a[5], a[12]); SQRADDAC(a[6], a[11]); SQRADDAC(a[7], a[10]); SQRADDAC(a[8], a[9]); SQRADDDB; |
| 848 | COMBA_STORE(b[17]); |
| 849 | |
| 850 | /* output 18 */ |
| 851 | CARRY_FORWARD; |
| 852 | SQRADDSC(a[0], a[18]); SQRADDAC(a[1], a[17]); SQRADDAC(a[2], a[16]); SQRADDAC(a[3], a[15]); SQRADDAC(a[4], a[14]); SQRADDAC(a[5], a[13]); SQRADDAC(a[6], a[12]); SQRADDAC(a[7], a[11]); SQRADDAC(a[8], a[10]); SQRADDDB; SQRADD(a[9], a[9]); |
| 853 | COMBA_STORE(b[18]); |
| 854 | |
| 855 | /* output 19 */ |
| 856 | CARRY_FORWARD; |
| 857 | SQRADDSC(a[0], a[19]); SQRADDAC(a[1], a[18]); SQRADDAC(a[2], a[17]); SQRADDAC(a[3], a[16]); SQRADDAC(a[4], a[15]); SQRADDAC(a[5], a[14]); SQRADDAC(a[6], a[13]); SQRADDAC(a[7], a[12]); SQRADDAC(a[8], a[11]); SQRADDAC(a[9], a[10]); SQRADDDB; |
| 858 | COMBA_STORE(b[19]); |
| 859 | |
| 860 | /* output 20 */ |
| 861 | CARRY_FORWARD; |
| 862 | SQRADDSC(a[0], a[20]); SQRADDAC(a[1], a[19]); SQRADDAC(a[2], a[18]); SQRADDAC(a[3], a[17]); SQRADDAC(a[4], a[16]); SQRADDAC(a[5], a[15]); SQRADDAC(a[6], a[14]); SQRADDAC(a[7], a[13]); SQRADDAC(a[8], a[12]); SQRADDAC(a[9], a[11]); SQRADDDB; SQRADD(a[10], a[10]); |
| 863 | COMBA_STORE(b[20]); |
| 864 | |
| 865 | /* output 21 */ |
| 866 | CARRY_FORWARD; |
| 867 | SQRADDSC(a[0], a[21]); SQRADDAC(a[1], a[20]); SQRADDAC(a[2], a[19]); SQRADDAC(a[3], a[18]); SQRADDAC(a[4], a[17]); SQRADDAC(a[5], a[16]); SQRADDAC(a[6], a[15]); SQRADDAC(a[7], a[14]); SQRADDAC(a[8], a[13]); SQRADDAC(a[9], a[12]); SQRADDAC(a[10], a[11]); SQRADDDB; |
| 868 | COMBA_STORE(b[21]); |
| 869 | |
| 870 | /* output 22 */ |
| 871 | CARRY_FORWARD; |
| 872 | SQRADDSC(a[0], a[22]); SQRADDAC(a[1], a[21]); SQRADDAC(a[2], a[20]); SQRADDAC(a[3], a[19]); SQRADDAC(a[4], a[18]); SQRADDAC(a[5], a[17]); SQRADDAC(a[6], a[16]); SQRADDAC(a[7], a[15]); SQRADDAC(a[8], a[14]); SQRADDAC(a[9], a[13]); SQRADDAC(a[10], a[12]); SQRADDDB; SQRADD(a[11], a[11]); |
| 873 | COMBA_STORE(b[22]); |
| 874 | |
| 875 | /* output 23 */ |
| 876 | CARRY_FORWARD; |
| 877 | SQRADDSC(a[0], a[23]); SQRADDAC(a[1], a[22]); SQRADDAC(a[2], a[21]); SQRADDAC(a[3], a[20]); SQRADDAC(a[4], a[19]); SQRADDAC(a[5], a[18]); SQRADDAC(a[6], a[17]); SQRADDAC(a[7], a[16]); SQRADDAC(a[8], a[15]); SQRADDAC(a[9], a[14]); SQRADDAC(a[10], a[13]); SQRADDAC(a[11], a[12]); SQRADDDB; |
| 878 | COMBA_STORE(b[23]); |
| 879 | |
| 880 | /* output 24 */ |
| 881 | CARRY_FORWARD; |
| 882 | SQRADDSC(a[0], a[24]); SQRADDAC(a[1], a[23]); SQRADDAC(a[2], a[22]); SQRADDAC(a[3], a[21]); SQRADDAC(a[4], a[20]); SQRADDAC(a[5], a[19]); SQRADDAC(a[6], a[18]); SQRADDAC(a[7], a[17]); SQRADDAC(a[8], a[16]); SQRADDAC(a[9], a[15]); SQRADDAC(a[10], a[14]); SQRADDAC(a[11], a[13]); SQRADDDB; SQRADD(a[12], a[12]); |
| 883 | COMBA_STORE(b[24]); |
| 884 | |
| 885 | /* output 25 */ |
| 886 | CARRY_FORWARD; |
| 887 | SQRADDSC(a[0], a[25]); SQRADDAC(a[1], a[24]); SQRADDAC(a[2], a[23]); SQRADDAC(a[3], a[22]); SQRADDAC(a[4], a[21]); SQRADDAC(a[5], a[20]); SQRADDAC(a[6], a[19]); SQRADDAC(a[7], a[18]); SQRADDAC(a[8], a[17]); SQRADDAC(a[9], a[16]); SQRADDAC(a[10], a[15]); SQRADDAC(a[11], a[14]); SQRADDAC(a[12], a[13]); SQRADDDB; |
| 888 | COMBA_STORE(b[25]); |
| 889 | |
| 890 | /* output 26 */ |
| 891 | CARRY_FORWARD; |
| 892 | SQRADDSC(a[0], a[26]); SQRADDAC(a[1], a[25]); SQRADDAC(a[2], a[24]); SQRADDAC(a[3], a[23]); SQRADDAC(a[4], a[22]); SQRADDAC(a[5], a[21]); SQRADDAC(a[6], a[20]); SQRADDAC(a[7], a[19]); SQRADDAC(a[8], a[18]); SQRADDAC(a[9], a[17]); SQRADDAC(a[10], a[16]); SQRADDAC(a[11], a[15]); SQRADDAC(a[12], a[14]); SQRADDDB; SQRADD(a[13], a[13]); |
| 893 | COMBA_STORE(b[26]); |
| 894 | |
| 895 | /* output 27 */ |
| 896 | CARRY_FORWARD; |
| 897 | SQRADDSC(a[0], a[27]); SQRADDAC(a[1], a[26]); SQRADDAC(a[2], a[25]); SQRADDAC(a[3], a[24]); SQRADDAC(a[4], a[23]); SQRADDAC(a[5], a[22]); SQRADDAC(a[6], a[21]); SQRADDAC(a[7], a[20]); SQRADDAC(a[8], a[19]); SQRADDAC(a[9], a[18]); SQRADDAC(a[10], a[17]); SQRADDAC(a[11], a[16]); SQRADDAC(a[12], a[15]); SQRADDAC(a[13], a[14]); SQRADDDB; |
| 898 | COMBA_STORE(b[27]); |
| 899 | |
| 900 | /* output 28 */ |
| 901 | CARRY_FORWARD; |
| 902 | SQRADDSC(a[0], a[28]); SQRADDAC(a[1], a[27]); SQRADDAC(a[2], a[26]); SQRADDAC(a[3], a[25]); SQRADDAC(a[4], a[24]); SQRADDAC(a[5], a[23]); SQRADDAC(a[6], a[22]); SQRADDAC(a[7], a[21]); SQRADDAC(a[8], a[20]); SQRADDAC(a[9], a[19]); SQRADDAC(a[10], a[18]); SQRADDAC(a[11], a[17]); SQRADDAC(a[12], a[16]); SQRADDAC(a[13], a[15]); SQRADDDB; SQRADD(a[14], a[14]); |
| 903 | COMBA_STORE(b[28]); |
| 904 | |
| 905 | /* output 29 */ |
| 906 | CARRY_FORWARD; |
| 907 | SQRADDSC(a[0], a[29]); SQRADDAC(a[1], a[28]); SQRADDAC(a[2], a[27]); SQRADDAC(a[3], a[26]); SQRADDAC(a[4], a[25]); SQRADDAC(a[5], a[24]); SQRADDAC(a[6], a[23]); SQRADDAC(a[7], a[22]); SQRADDAC(a[8], a[21]); SQRADDAC(a[9], a[20]); SQRADDAC(a[10], a[19]); SQRADDAC(a[11], a[18]); SQRADDAC(a[12], a[17]); SQRADDAC(a[13], a[16]); SQRADDAC(a[14], a[15]); SQRADDDB; |
| 908 | COMBA_STORE(b[29]); |
| 909 | |
| 910 | /* output 30 */ |
| 911 | CARRY_FORWARD; |
| 912 | SQRADDSC(a[0], a[30]); SQRADDAC(a[1], a[29]); SQRADDAC(a[2], a[28]); SQRADDAC(a[3], a[27]); SQRADDAC(a[4], a[26]); SQRADDAC(a[5], a[25]); SQRADDAC(a[6], a[24]); SQRADDAC(a[7], a[23]); SQRADDAC(a[8], a[22]); SQRADDAC(a[9], a[21]); SQRADDAC(a[10], a[20]); SQRADDAC(a[11], a[19]); SQRADDAC(a[12], a[18]); SQRADDAC(a[13], a[17]); SQRADDAC(a[14], a[16]); SQRADDDB; SQRADD(a[15], a[15]); |
| 913 | COMBA_STORE(b[30]); |
| 914 | |
| 915 | /* output 31 */ |
| 916 | CARRY_FORWARD; |
| 917 | SQRADDSC(a[0], a[31]); SQRADDAC(a[1], a[30]); SQRADDAC(a[2], a[29]); SQRADDAC(a[3], a[28]); SQRADDAC(a[4], a[27]); SQRADDAC(a[5], a[26]); SQRADDAC(a[6], a[25]); SQRADDAC(a[7], a[24]); SQRADDAC(a[8], a[23]); SQRADDAC(a[9], a[22]); SQRADDAC(a[10], a[21]); SQRADDAC(a[11], a[20]); SQRADDAC(a[12], a[19]); SQRADDAC(a[13], a[18]); SQRADDAC(a[14], a[17]); SQRADDAC(a[15], a[16]); SQRADDDB; |
| 918 | COMBA_STORE(b[31]); |
| 919 | |
| 920 | /* output 32 */ |
| 921 | CARRY_FORWARD; |
| 922 | SQRADDSC(a[1], a[31]); SQRADDAC(a[2], a[30]); SQRADDAC(a[3], a[29]); SQRADDAC(a[4], a[28]); SQRADDAC(a[5], a[27]); SQRADDAC(a[6], a[26]); SQRADDAC(a[7], a[25]); SQRADDAC(a[8], a[24]); SQRADDAC(a[9], a[23]); SQRADDAC(a[10], a[22]); SQRADDAC(a[11], a[21]); SQRADDAC(a[12], a[20]); SQRADDAC(a[13], a[19]); SQRADDAC(a[14], a[18]); SQRADDAC(a[15], a[17]); SQRADDDB; SQRADD(a[16], a[16]); |
| 923 | COMBA_STORE(b[32]); |
| 924 | |
| 925 | /* output 33 */ |
| 926 | CARRY_FORWARD; |
| 927 | SQRADDSC(a[2], a[31]); SQRADDAC(a[3], a[30]); SQRADDAC(a[4], a[29]); SQRADDAC(a[5], a[28]); SQRADDAC(a[6], a[27]); SQRADDAC(a[7], a[26]); SQRADDAC(a[8], a[25]); SQRADDAC(a[9], a[24]); SQRADDAC(a[10], a[23]); SQRADDAC(a[11], a[22]); SQRADDAC(a[12], a[21]); SQRADDAC(a[13], a[20]); SQRADDAC(a[14], a[19]); SQRADDAC(a[15], a[18]); SQRADDAC(a[16], a[17]); SQRADDDB; |
| 928 | COMBA_STORE(b[33]); |
| 929 | |
| 930 | /* output 34 */ |
| 931 | CARRY_FORWARD; |
| 932 | SQRADDSC(a[3], a[31]); SQRADDAC(a[4], a[30]); SQRADDAC(a[5], a[29]); SQRADDAC(a[6], a[28]); SQRADDAC(a[7], a[27]); SQRADDAC(a[8], a[26]); SQRADDAC(a[9], a[25]); SQRADDAC(a[10], a[24]); SQRADDAC(a[11], a[23]); SQRADDAC(a[12], a[22]); SQRADDAC(a[13], a[21]); SQRADDAC(a[14], a[20]); SQRADDAC(a[15], a[19]); SQRADDAC(a[16], a[18]); SQRADDDB; SQRADD(a[17], a[17]); |
| 933 | COMBA_STORE(b[34]); |
| 934 | |
| 935 | /* output 35 */ |
| 936 | CARRY_FORWARD; |
| 937 | SQRADDSC(a[4], a[31]); SQRADDAC(a[5], a[30]); SQRADDAC(a[6], a[29]); SQRADDAC(a[7], a[28]); SQRADDAC(a[8], a[27]); SQRADDAC(a[9], a[26]); SQRADDAC(a[10], a[25]); SQRADDAC(a[11], a[24]); SQRADDAC(a[12], a[23]); SQRADDAC(a[13], a[22]); SQRADDAC(a[14], a[21]); SQRADDAC(a[15], a[20]); SQRADDAC(a[16], a[19]); SQRADDAC(a[17], a[18]); SQRADDDB; |
| 938 | COMBA_STORE(b[35]); |
| 939 | |
| 940 | /* output 36 */ |
| 941 | CARRY_FORWARD; |
| 942 | SQRADDSC(a[5], a[31]); SQRADDAC(a[6], a[30]); SQRADDAC(a[7], a[29]); SQRADDAC(a[8], a[28]); SQRADDAC(a[9], a[27]); SQRADDAC(a[10], a[26]); SQRADDAC(a[11], a[25]); SQRADDAC(a[12], a[24]); SQRADDAC(a[13], a[23]); SQRADDAC(a[14], a[22]); SQRADDAC(a[15], a[21]); SQRADDAC(a[16], a[20]); SQRADDAC(a[17], a[19]); SQRADDDB; SQRADD(a[18], a[18]); |
| 943 | COMBA_STORE(b[36]); |
| 944 | |
| 945 | /* output 37 */ |
| 946 | CARRY_FORWARD; |
| 947 | SQRADDSC(a[6], a[31]); SQRADDAC(a[7], a[30]); SQRADDAC(a[8], a[29]); SQRADDAC(a[9], a[28]); SQRADDAC(a[10], a[27]); SQRADDAC(a[11], a[26]); SQRADDAC(a[12], a[25]); SQRADDAC(a[13], a[24]); SQRADDAC(a[14], a[23]); SQRADDAC(a[15], a[22]); SQRADDAC(a[16], a[21]); SQRADDAC(a[17], a[20]); SQRADDAC(a[18], a[19]); SQRADDDB; |
| 948 | COMBA_STORE(b[37]); |
| 949 | |
| 950 | /* output 38 */ |
| 951 | CARRY_FORWARD; |
| 952 | SQRADDSC(a[7], a[31]); SQRADDAC(a[8], a[30]); SQRADDAC(a[9], a[29]); SQRADDAC(a[10], a[28]); SQRADDAC(a[11], a[27]); SQRADDAC(a[12], a[26]); SQRADDAC(a[13], a[25]); SQRADDAC(a[14], a[24]); SQRADDAC(a[15], a[23]); SQRADDAC(a[16], a[22]); SQRADDAC(a[17], a[21]); SQRADDAC(a[18], a[20]); SQRADDDB; SQRADD(a[19], a[19]); |
| 953 | COMBA_STORE(b[38]); |
| 954 | |
| 955 | /* output 39 */ |
| 956 | CARRY_FORWARD; |
| 957 | SQRADDSC(a[8], a[31]); SQRADDAC(a[9], a[30]); SQRADDAC(a[10], a[29]); SQRADDAC(a[11], a[28]); SQRADDAC(a[12], a[27]); SQRADDAC(a[13], a[26]); SQRADDAC(a[14], a[25]); SQRADDAC(a[15], a[24]); SQRADDAC(a[16], a[23]); SQRADDAC(a[17], a[22]); SQRADDAC(a[18], a[21]); SQRADDAC(a[19], a[20]); SQRADDDB; |
| 958 | COMBA_STORE(b[39]); |
| 959 | |
| 960 | /* output 40 */ |
| 961 | CARRY_FORWARD; |
| 962 | SQRADDSC(a[9], a[31]); SQRADDAC(a[10], a[30]); SQRADDAC(a[11], a[29]); SQRADDAC(a[12], a[28]); SQRADDAC(a[13], a[27]); SQRADDAC(a[14], a[26]); SQRADDAC(a[15], a[25]); SQRADDAC(a[16], a[24]); SQRADDAC(a[17], a[23]); SQRADDAC(a[18], a[22]); SQRADDAC(a[19], a[21]); SQRADDDB; SQRADD(a[20], a[20]); |
| 963 | COMBA_STORE(b[40]); |
| 964 | |
| 965 | /* output 41 */ |
| 966 | CARRY_FORWARD; |
| 967 | SQRADDSC(a[10], a[31]); SQRADDAC(a[11], a[30]); SQRADDAC(a[12], a[29]); SQRADDAC(a[13], a[28]); SQRADDAC(a[14], a[27]); SQRADDAC(a[15], a[26]); SQRADDAC(a[16], a[25]); SQRADDAC(a[17], a[24]); SQRADDAC(a[18], a[23]); SQRADDAC(a[19], a[22]); SQRADDAC(a[20], a[21]); SQRADDDB; |
| 968 | COMBA_STORE(b[41]); |
| 969 | |
| 970 | /* output 42 */ |
| 971 | CARRY_FORWARD; |
| 972 | SQRADDSC(a[11], a[31]); SQRADDAC(a[12], a[30]); SQRADDAC(a[13], a[29]); SQRADDAC(a[14], a[28]); SQRADDAC(a[15], a[27]); SQRADDAC(a[16], a[26]); SQRADDAC(a[17], a[25]); SQRADDAC(a[18], a[24]); SQRADDAC(a[19], a[23]); SQRADDAC(a[20], a[22]); SQRADDDB; SQRADD(a[21], a[21]); |
| 973 | COMBA_STORE(b[42]); |
| 974 | |
| 975 | /* output 43 */ |
| 976 | CARRY_FORWARD; |
| 977 | SQRADDSC(a[12], a[31]); SQRADDAC(a[13], a[30]); SQRADDAC(a[14], a[29]); SQRADDAC(a[15], a[28]); SQRADDAC(a[16], a[27]); SQRADDAC(a[17], a[26]); SQRADDAC(a[18], a[25]); SQRADDAC(a[19], a[24]); SQRADDAC(a[20], a[23]); SQRADDAC(a[21], a[22]); SQRADDDB; |
| 978 | COMBA_STORE(b[43]); |
| 979 | |
| 980 | /* output 44 */ |
| 981 | CARRY_FORWARD; |
| 982 | SQRADDSC(a[13], a[31]); SQRADDAC(a[14], a[30]); SQRADDAC(a[15], a[29]); SQRADDAC(a[16], a[28]); SQRADDAC(a[17], a[27]); SQRADDAC(a[18], a[26]); SQRADDAC(a[19], a[25]); SQRADDAC(a[20], a[24]); SQRADDAC(a[21], a[23]); SQRADDDB; SQRADD(a[22], a[22]); |
| 983 | COMBA_STORE(b[44]); |
| 984 | |
| 985 | /* output 45 */ |
| 986 | CARRY_FORWARD; |
| 987 | SQRADDSC(a[14], a[31]); SQRADDAC(a[15], a[30]); SQRADDAC(a[16], a[29]); SQRADDAC(a[17], a[28]); SQRADDAC(a[18], a[27]); SQRADDAC(a[19], a[26]); SQRADDAC(a[20], a[25]); SQRADDAC(a[21], a[24]); SQRADDAC(a[22], a[23]); SQRADDDB; |
| 988 | COMBA_STORE(b[45]); |
| 989 | |
| 990 | /* output 46 */ |
| 991 | CARRY_FORWARD; |
| 992 | SQRADDSC(a[15], a[31]); SQRADDAC(a[16], a[30]); SQRADDAC(a[17], a[29]); SQRADDAC(a[18], a[28]); SQRADDAC(a[19], a[27]); SQRADDAC(a[20], a[26]); SQRADDAC(a[21], a[25]); SQRADDAC(a[22], a[24]); SQRADDDB; SQRADD(a[23], a[23]); |
| 993 | COMBA_STORE(b[46]); |
| 994 | |
| 995 | /* output 47 */ |
| 996 | CARRY_FORWARD; |
| 997 | SQRADDSC(a[16], a[31]); SQRADDAC(a[17], a[30]); SQRADDAC(a[18], a[29]); SQRADDAC(a[19], a[28]); SQRADDAC(a[20], a[27]); SQRADDAC(a[21], a[26]); SQRADDAC(a[22], a[25]); SQRADDAC(a[23], a[24]); SQRADDDB; |
| 998 | COMBA_STORE(b[47]); |
| 999 | |
| 1000 | /* output 48 */ |
| 1001 | CARRY_FORWARD; |
| 1002 | SQRADDSC(a[17], a[31]); SQRADDAC(a[18], a[30]); SQRADDAC(a[19], a[29]); SQRADDAC(a[20], a[28]); SQRADDAC(a[21], a[27]); SQRADDAC(a[22], a[26]); SQRADDAC(a[23], a[25]); SQRADDDB; SQRADD(a[24], a[24]); |
| 1003 | COMBA_STORE(b[48]); |
| 1004 | |
| 1005 | /* output 49 */ |
| 1006 | CARRY_FORWARD; |
| 1007 | SQRADDSC(a[18], a[31]); SQRADDAC(a[19], a[30]); SQRADDAC(a[20], a[29]); SQRADDAC(a[21], a[28]); SQRADDAC(a[22], a[27]); SQRADDAC(a[23], a[26]); SQRADDAC(a[24], a[25]); SQRADDDB; |
| 1008 | COMBA_STORE(b[49]); |
| 1009 | |
| 1010 | /* output 50 */ |
| 1011 | CARRY_FORWARD; |
| 1012 | SQRADDSC(a[19], a[31]); SQRADDAC(a[20], a[30]); SQRADDAC(a[21], a[29]); SQRADDAC(a[22], a[28]); SQRADDAC(a[23], a[27]); SQRADDAC(a[24], a[26]); SQRADDDB; SQRADD(a[25], a[25]); |
| 1013 | COMBA_STORE(b[50]); |
| 1014 | |
| 1015 | /* output 51 */ |
| 1016 | CARRY_FORWARD; |
| 1017 | SQRADDSC(a[20], a[31]); SQRADDAC(a[21], a[30]); SQRADDAC(a[22], a[29]); SQRADDAC(a[23], a[28]); SQRADDAC(a[24], a[27]); SQRADDAC(a[25], a[26]); SQRADDDB; |
| 1018 | COMBA_STORE(b[51]); |
| 1019 | |
| 1020 | /* output 52 */ |
| 1021 | CARRY_FORWARD; |
| 1022 | SQRADDSC(a[21], a[31]); SQRADDAC(a[22], a[30]); SQRADDAC(a[23], a[29]); SQRADDAC(a[24], a[28]); SQRADDAC(a[25], a[27]); SQRADDDB; SQRADD(a[26], a[26]); |
| 1023 | COMBA_STORE(b[52]); |
| 1024 | |
| 1025 | /* output 53 */ |
| 1026 | CARRY_FORWARD; |
| 1027 | SQRADDSC(a[22], a[31]); SQRADDAC(a[23], a[30]); SQRADDAC(a[24], a[29]); SQRADDAC(a[25], a[28]); SQRADDAC(a[26], a[27]); SQRADDDB; |
| 1028 | COMBA_STORE(b[53]); |
| 1029 | |
| 1030 | /* output 54 */ |
| 1031 | CARRY_FORWARD; |
| 1032 | SQRADDSC(a[23], a[31]); SQRADDAC(a[24], a[30]); SQRADDAC(a[25], a[29]); SQRADDAC(a[26], a[28]); SQRADDDB; SQRADD(a[27], a[27]); |
| 1033 | COMBA_STORE(b[54]); |
| 1034 | |
| 1035 | /* output 55 */ |
| 1036 | CARRY_FORWARD; |
| 1037 | SQRADDSC(a[24], a[31]); SQRADDAC(a[25], a[30]); SQRADDAC(a[26], a[29]); SQRADDAC(a[27], a[28]); SQRADDDB; |
| 1038 | COMBA_STORE(b[55]); |
| 1039 | |
| 1040 | /* output 56 */ |
| 1041 | CARRY_FORWARD; |
| 1042 | SQRADDSC(a[25], a[31]); SQRADDAC(a[26], a[30]); SQRADDAC(a[27], a[29]); SQRADDDB; SQRADD(a[28], a[28]); |
| 1043 | COMBA_STORE(b[56]); |
| 1044 | |
| 1045 | /* output 57 */ |
| 1046 | CARRY_FORWARD; |
| 1047 | SQRADDSC(a[26], a[31]); SQRADDAC(a[27], a[30]); SQRADDAC(a[28], a[29]); SQRADDDB; |
| 1048 | COMBA_STORE(b[57]); |
| 1049 | |
| 1050 | /* output 58 */ |
| 1051 | CARRY_FORWARD; |
| 1052 | SQRADD2(a[27], a[31]); SQRADD2(a[28], a[30]); SQRADD(a[29], a[29]); |
| 1053 | COMBA_STORE(b[58]); |
| 1054 | |
| 1055 | /* output 59 */ |
| 1056 | CARRY_FORWARD; |
| 1057 | SQRADD2(a[28], a[31]); SQRADD2(a[29], a[30]); |
| 1058 | COMBA_STORE(b[59]); |
| 1059 | |
| 1060 | /* output 60 */ |
| 1061 | CARRY_FORWARD; |
| 1062 | SQRADD2(a[29], a[31]); SQRADD(a[30], a[30]); |
| 1063 | COMBA_STORE(b[60]); |
| 1064 | |
| 1065 | /* output 61 */ |
| 1066 | CARRY_FORWARD; |
| 1067 | SQRADD2(a[30], a[31]); |
| 1068 | COMBA_STORE(b[61]); |
| 1069 | |
| 1070 | /* output 62 */ |
| 1071 | CARRY_FORWARD; |
| 1072 | SQRADD(a[31], a[31]); |
| 1073 | COMBA_STORE(b[62]); |
| 1074 | COMBA_STORE2(b[63]); |
| 1075 | COMBA_FINI; |
| 1076 | |
| 1077 | B->used = 64; |
| 1078 | B->sign = PSTM_ZPOS; |
| 1079 | memcpy(B->dp, b, 64 * sizeof(pstm_digit)); |
| 1080 | pstm_clamp(B); |
| 1081 | return PSTM_OKAY; |
| 1082 | } |
| 1083 | #endif /* USE_2048_KEY_SPEED_OPTIMIZATIONS */ |
| 1084 | |
| 1085 | /******************************************************************************/ |
| 1086 | /* |
| 1087 | */ |
Denys Vlasenko | 37bdd8f | 2019-01-01 15:40:43 +0100 | [diff] [blame] | 1088 | int32 FAST_FUNC pstm_sqr_comba(psPool_t *pool, pstm_int *A, pstm_int *B, pstm_digit *paD, |
Denys Vlasenko | 11d0096 | 2017-01-15 00:12:42 +0100 | [diff] [blame] | 1089 | uint32 paDlen) |
| 1090 | { |
| 1091 | #ifdef USE_1024_KEY_SPEED_OPTIMIZATIONS |
| 1092 | if (A->used == 16) { |
| 1093 | return pstm_sqr_comba16(A, B); |
| 1094 | } else { |
| 1095 | #ifdef USE_2048_KEY_SPEED_OPTIMIZATIONS |
| 1096 | if (A->used == 32) { |
| 1097 | return pstm_sqr_comba32(A, B); |
| 1098 | } |
| 1099 | #endif /* USE_2048_KEY_SPEED_OPTIMIZATIONS */ |
| 1100 | return pstm_sqr_comba_gen(pool, A, B, paD, paDlen); |
| 1101 | } |
| 1102 | #else |
| 1103 | #ifdef USE_2048_KEY_SPEED_OPTIMIZATIONS |
| 1104 | if (A->used == 32) { |
| 1105 | return pstm_sqr_comba32(A, B); |
| 1106 | } |
| 1107 | #endif /* USE_2048_KEY_SPEED_OPTIMIZATIONS */ |
| 1108 | return pstm_sqr_comba_gen(pool, A, B, paD, paDlen); |
| 1109 | #endif |
| 1110 | } |
| 1111 | |
| 1112 | #endif /* DISABLE_PSTM */ |
| 1113 | /******************************************************************************/ |