src/src/pdkim/bn_mul.h

   1 /**
   2  * \file bn_mul.h
   3  *
   4  *  Copyright (C) 2006-2010, Brainspark B.V.
   5  *
   6  *  This file is part of PolarSSL (http://www.polarssl.org)
   7  *  Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
   8  *
   9  *  All rights reserved.
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published by
  13  *  the Free Software Foundation; either version 2 of the License, or
  14  *  (at your option) any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful,
  17  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *  GNU General Public License for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License along
  22  *  with this program; if not, write to the Free Software Foundation, Inc.,
  23  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  24  */
  25 /*
  26  *      Multiply source vector [s] with b, add result
  27  *       to destination vector [d] and set carry c.
  28  *
  29  *      Currently supports:
  30  *
  31  *         . IA-32 (386+)         . AMD64 / EM64T
  32  *         . IA-32 (SSE2)         . Motorola 68000
  33  *         . PowerPC, 32-bit      . MicroBlaze
  34  *         . PowerPC, 64-bit      . TriCore
  35  *         . SPARC v8             . ARM v3+
  36  *         . Alpha                . MIPS32
  37  *         . C, longlong          . C, generic
  38  */
  39
  40 #ifndef POLARSSL_BN_MUL_H
  41 #define POLARSSL_BN_MUL_H
  42
  43 #if defined(POLARSSL_HAVE_ASM)
  44
  45 #if defined(__GNUC__)
  46 #if defined(__i386__)
  47
  48 #define MULADDC_INIT                \
  49     asm( "                          \
  50         movl   %%ebx, %0;           \
  51         movl   %5, %%esi;           \
  52         movl   %6, %%edi;           \
  53         movl   %7, %%ecx;           \
  54         movl   %8, %%ebx;           \
  55         "
  56
  57 #define MULADDC_CORE                \
  58         "                           \
  59         lodsl;                      \
  60         mull   %%ebx;               \
  61         addl   %%ecx,   %%eax;      \
  62         adcl   $0,      %%edx;      \
  63         addl   (%%edi), %%eax;      \
  64         adcl   $0,      %%edx;      \
  65         movl   %%edx,   %%ecx;      \
  66         stosl;                      \
  67         "
  68
  69 #if defined(POLARSSL_HAVE_SSE2)
  70
  71 #define MULADDC_HUIT                    \
  72         "                               \
  73         movd     %%ecx,     %%mm1;      \
  74         movd     %%ebx,     %%mm0;      \
  75         movd     (%%edi),   %%mm3;      \
  76         paddq    %%mm3,     %%mm1;      \
  77         movd     (%%esi),   %%mm2;      \
  78         pmuludq  %%mm0,     %%mm2;      \
  79         movd     4(%%esi),  %%mm4;      \
  80         pmuludq  %%mm0,     %%mm4;      \
  81         movd     8(%%esi),  %%mm6;      \
  82         pmuludq  %%mm0,     %%mm6;      \
  83         movd     12(%%esi), %%mm7;      \
  84         pmuludq  %%mm0,     %%mm7;      \
  85         paddq    %%mm2,     %%mm1;      \
  86         movd     4(%%edi),  %%mm3;      \
  87         paddq    %%mm4,     %%mm3;      \
  88         movd     8(%%edi),  %%mm5;      \
  89         paddq    %%mm6,     %%mm5;      \
  90         movd     12(%%edi), %%mm4;      \
  91         paddq    %%mm4,     %%mm7;      \
  92         movd     %%mm1,     (%%edi);    \
  93         movd     16(%%esi), %%mm2;      \
  94         pmuludq  %%mm0,     %%mm2;      \
  95         psrlq    $32,       %%mm1;      \
  96         movd     20(%%esi), %%mm4;      \
  97         pmuludq  %%mm0,     %%mm4;      \
  98         paddq    %%mm3,     %%mm1;      \
  99         movd     24(%%esi), %%mm6;      \
 100         pmuludq  %%mm0,     %%mm6;      \
 101         movd     %%mm1,     4(%%edi);   \
 102         psrlq    $32,       %%mm1;      \
 103         movd     28(%%esi), %%mm3;      \
 104         pmuludq  %%mm0,     %%mm3;      \
 105         paddq    %%mm5,     %%mm1;      \
 106         movd     16(%%edi), %%mm5;      \
 107         paddq    %%mm5,     %%mm2;      \
 108         movd     %%mm1,     8(%%edi);   \
 109         psrlq    $32,       %%mm1;      \
 110         paddq    %%mm7,     %%mm1;      \
 111         movd     20(%%edi), %%mm5;      \
 112         paddq    %%mm5,     %%mm4;      \
 113         movd     %%mm1,     12(%%edi);  \
 114         psrlq    $32,       %%mm1;      \
 115         paddq    %%mm2,     %%mm1;      \
 116         movd     24(%%edi), %%mm5;      \
 117         paddq    %%mm5,     %%mm6;      \
 118         movd     %%mm1,     16(%%edi);  \
 119         psrlq    $32,       %%mm1;      \
 120         paddq    %%mm4,     %%mm1;      \
 121         movd     28(%%edi), %%mm5;      \
 122         paddq    %%mm5,     %%mm3;      \
 123         movd     %%mm1,     20(%%edi);  \
 124         psrlq    $32,       %%mm1;      \
 125         paddq    %%mm6,     %%mm1;      \
 126         movd     %%mm1,     24(%%edi);  \
 127         psrlq    $32,       %%mm1;      \
 128         paddq    %%mm3,     %%mm1;      \
 129         movd     %%mm1,     28(%%edi);  \
 130         addl     $32,       %%edi;      \
 131         addl     $32,       %%esi;      \
 132         psrlq    $32,       %%mm1;      \
 133         movd     %%mm1,     %%ecx;      \
 134         "
 135
 136 #define MULADDC_STOP            \
 137         "                       \
 138         emms;                   \
 139         movl   %4, %%ebx;       \
 140         movl   %%ecx, %1;       \
 141         movl   %%edi, %2;       \
 142         movl   %%esi, %3;       \
 143         "                       \
 144         : "=m" (t), "=m" (c), "=m" (d), "=m" (s)        \
 145         : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b)   \
 146         : "eax", "ecx", "edx", "esi", "edi"             \
 147     );
 148
 149 #else
 150
 151 #define MULADDC_STOP            \
 152         "                       \
 153         movl   %4, %%ebx;       \
 154         movl   %%ecx, %1;       \
 155         movl   %%edi, %2;       \
 156         movl   %%esi, %3;       \
 157         "                       \
 158         : "=m" (t), "=m" (c), "=m" (d), "=m" (s)        \
 159         : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b)   \
 160         : "eax", "ecx", "edx", "esi", "edi"             \
 161     );
 162 #endif /* SSE2 */
 163 #endif /* i386 */
 164
 165 #if defined(__amd64__) || defined (__x86_64__)
 166
 167 #define MULADDC_INIT                            \
 168     asm( "movq   %0, %%rsi      " :: "m" (s));  \
 169     asm( "movq   %0, %%rdi      " :: "m" (d));  \
 170     asm( "movq   %0, %%rcx      " :: "m" (c));  \
 171     asm( "movq   %0, %%rbx      " :: "m" (b));  \
 172     asm( "xorq   %r8, %r8       " );
 173
 174 #define MULADDC_CORE                            \
 175     asm( "movq  (%rsi),%rax     " );            \
 176     asm( "mulq   %rbx           " );            \
 177     asm( "addq   $8,   %rsi     " );            \
 178     asm( "addq   %rcx, %rax     " );            \
 179     asm( "movq   %r8,  %rcx     " );            \
 180     asm( "adcq   $0,   %rdx     " );            \
 181     asm( "nop                   " );            \
 182     asm( "addq   %rax, (%rdi)   " );            \
 183     asm( "adcq   %rdx, %rcx     " );            \
 184     asm( "addq   $8,   %rdi     " );
 185
 186 #define MULADDC_STOP                            \
 187     asm( "movq   %%rcx, %0      " : "=m" (c));  \
 188     asm( "movq   %%rdi, %0      " : "=m" (d));  \
 189     asm( "movq   %%rsi, %0      " : "=m" (s) :: \
 190     "rax", "rcx", "rdx", "rbx", "rsi", "rdi", "r8" );
 191
 192 #endif /* AMD64 */
 193
 194 #if defined(__mc68020__) || defined(__mcpu32__)
 195
 196 #define MULADDC_INIT                            \
 197     asm( "movl   %0, %%a2       " :: "m" (s));  \
 198     asm( "movl   %0, %%a3       " :: "m" (d));  \
 199     asm( "movl   %0, %%d3       " :: "m" (c));  \
 200     asm( "movl   %0, %%d2       " :: "m" (b));  \
 201     asm( "moveq  #0, %d0        " );
 202
 203 #define MULADDC_CORE                            \
 204     asm( "movel  %a2@+, %d1     " );            \
 205     asm( "mulul  %d2, %d4:%d1   " );            \
 206     asm( "addl   %d3, %d1       " );            \
 207     asm( "addxl  %d0, %d4       " );            \
 208     asm( "moveq  #0,  %d3       " );            \
 209     asm( "addl   %d1, %a3@+     " );            \
 210     asm( "addxl  %d4, %d3       " );
 211
 212 #define MULADDC_STOP                            \
 213     asm( "movl   %%d3, %0       " : "=m" (c));  \
 214     asm( "movl   %%a3, %0       " : "=m" (d));  \
 215     asm( "movl   %%a2, %0       " : "=m" (s) :: \
 216     "d0", "d1", "d2", "d3", "d4", "a2", "a3" );
 217
 218 #define MULADDC_HUIT                            \
 219     asm( "movel  %a2@+, %d1     " );            \
 220     asm( "mulul  %d2, %d4:%d1   " );            \
 221     asm( "addxl  %d3, %d1       " );            \
 222     asm( "addxl  %d0, %d4       " );            \
 223     asm( "addl   %d1, %a3@+     " );            \
 224     asm( "movel  %a2@+, %d1     " );            \
 225     asm( "mulul  %d2, %d3:%d1   " );            \
 226     asm( "addxl  %d4, %d1       " );            \
 227     asm( "addxl  %d0, %d3       " );            \
 228     asm( "addl   %d1, %a3@+     " );            \
 229     asm( "movel  %a2@+, %d1     " );            \
 230     asm( "mulul  %d2, %d4:%d1   " );            \
 231     asm( "addxl  %d3, %d1       " );            \
 232     asm( "addxl  %d0, %d4       " );            \
 233     asm( "addl   %d1, %a3@+     " );            \
 234     asm( "movel  %a2@+, %d1     " );            \
 235     asm( "mulul  %d2, %d3:%d1   " );            \
 236     asm( "addxl  %d4, %d1       " );            \
 237     asm( "addxl  %d0, %d3       " );            \
 238     asm( "addl   %d1, %a3@+     " );            \
 239     asm( "movel  %a2@+, %d1     " );            \
 240     asm( "mulul  %d2, %d4:%d1   " );            \
 241     asm( "addxl  %d3, %d1       " );            \
 242     asm( "addxl  %d0, %d4       " );            \
 243     asm( "addl   %d1, %a3@+     " );            \
 244     asm( "movel  %a2@+, %d1     " );            \
 245     asm( "mulul  %d2, %d3:%d1   " );            \
 246     asm( "addxl  %d4, %d1       " );            \
 247     asm( "addxl  %d0, %d3       " );            \
 248     asm( "addl   %d1, %a3@+     " );            \
 249     asm( "movel  %a2@+, %d1     " );            \
 250     asm( "mulul  %d2, %d4:%d1   " );            \
 251     asm( "addxl  %d3, %d1       " );            \
 252     asm( "addxl  %d0, %d4       " );            \
 253     asm( "addl   %d1, %a3@+     " );            \
 254     asm( "movel  %a2@+, %d1     " );            \
 255     asm( "mulul  %d2, %d3:%d1   " );            \
 256     asm( "addxl  %d4, %d1       " );            \
 257     asm( "addxl  %d0, %d3       " );            \
 258     asm( "addl   %d1, %a3@+     " );            \
 259     asm( "addxl  %d0, %d3       " );
 260
 261 #endif /* MC68000 */
 262
 263 #if defined(__powerpc__)   || defined(__ppc__)
 264 #if defined(__powerpc64__) || defined(__ppc64__)
 265
 266 #if defined(__MACH__) && defined(__APPLE__)
 267
 268 #define MULADDC_INIT                            \
 269     asm( "ld     r3, %0         " :: "m" (s));  \
 270     asm( "ld     r4, %0         " :: "m" (d));  \
 271     asm( "ld     r5, %0         " :: "m" (c));  \
 272     asm( "ld     r6, %0         " :: "m" (b));  \
 273     asm( "addi   r3, r3, -8     " );            \
 274     asm( "addi   r4, r4, -8     " );            \
 275     asm( "addic  r5, r5,  0     " );
 276
 277 #define MULADDC_CORE                            \
 278     asm( "ldu    r7, 8(r3)      " );            \
 279     asm( "mulld  r8, r7, r6     " );            \
 280     asm( "mulhdu r9, r7, r6     " );            \
 281     asm( "adde   r8, r8, r5     " );            \
 282     asm( "ld     r7, 8(r4)      " );            \
 283     asm( "addze  r5, r9         " );            \
 284     asm( "addc   r8, r8, r7     " );            \
 285     asm( "stdu   r8, 8(r4)      " );
 286
 287 #define MULADDC_STOP                            \
 288     asm( "addze  r5, r5         " );            \
 289     asm( "addi   r4, r4, 8      " );            \
 290     asm( "addi   r3, r3, 8      " );            \
 291     asm( "std    r5, %0         " : "=m" (c));  \
 292     asm( "std    r4, %0         " : "=m" (d));  \
 293     asm( "std    r3, %0         " : "=m" (s) :: \
 294     "r3", "r4", "r5", "r6", "r7", "r8", "r9" );
 295
 296 #else
 297
 298 #define MULADDC_INIT                            \
 299     asm( "ld     %%r3, %0       " :: "m" (s));  \
 300     asm( "ld     %%r4, %0       " :: "m" (d));  \
 301     asm( "ld     %%r5, %0       " :: "m" (c));  \
 302     asm( "ld     %%r6, %0       " :: "m" (b));  \
 303     asm( "addi   %r3, %r3, -8   " );            \
 304     asm( "addi   %r4, %r4, -8   " );            \
 305     asm( "addic  %r5, %r5,  0   " );
 306
 307 #define MULADDC_CORE                            \
 308     asm( "ldu    %r7, 8(%r3)    " );            \
 309     asm( "mulld  %r8, %r7, %r6  " );            \
 310     asm( "mulhdu %r9, %r7, %r6  " );            \
 311     asm( "adde   %r8, %r8, %r5  " );            \
 312     asm( "ld     %r7, 8(%r4)    " );            \
 313     asm( "addze  %r5, %r9       " );            \
 314     asm( "addc   %r8, %r8, %r7  " );            \
 315     asm( "stdu   %r8, 8(%r4)    " );
 316
 317 #define MULADDC_STOP                            \
 318     asm( "addze  %r5, %r5       " );            \
 319     asm( "addi   %r4, %r4, 8    " );            \
 320     asm( "addi   %r3, %r3, 8    " );            \
 321     asm( "std    %%r5, %0       " : "=m" (c));  \
 322     asm( "std    %%r4, %0       " : "=m" (d));  \
 323     asm( "std    %%r3, %0       " : "=m" (s) :: \
 324     "r3", "r4", "r5", "r6", "r7", "r8", "r9" );
 325
 326 #endif
 327
 328 #else /* PPC32 */
 329
 330 #if defined(__MACH__) && defined(__APPLE__)
 331
 332 #define MULADDC_INIT                            \
 333     asm( "lwz    r3, %0         " :: "m" (s));  \
 334     asm( "lwz    r4, %0         " :: "m" (d));  \
 335     asm( "lwz    r5, %0         " :: "m" (c));  \
 336     asm( "lwz    r6, %0         " :: "m" (b));  \
 337     asm( "addi   r3, r3, -4     " );            \
 338     asm( "addi   r4, r4, -4     " );            \
 339     asm( "addic  r5, r5,  0     " );
 340
 341 #define MULADDC_CORE                            \
 342     asm( "lwzu   r7, 4(r3)      " );            \
 343     asm( "mullw  r8, r7, r6     " );            \
 344     asm( "mulhwu r9, r7, r6     " );            \
 345     asm( "adde   r8, r8, r5     " );            \
 346     asm( "lwz    r7, 4(r4)      " );            \
 347     asm( "addze  r5, r9         " );            \
 348     asm( "addc   r8, r8, r7     " );            \
 349     asm( "stwu   r8, 4(r4)      " );
 350
 351 #define MULADDC_STOP                            \
 352     asm( "addze  r5, r5         " );            \
 353     asm( "addi   r4, r4, 4      " );            \
 354     asm( "addi   r3, r3, 4      " );            \
 355     asm( "stw    r5, %0         " : "=m" (c));  \
 356     asm( "stw    r4, %0         " : "=m" (d));  \
 357     asm( "stw    r3, %0         " : "=m" (s) :: \
 358     "r3", "r4", "r5", "r6", "r7", "r8", "r9" );
 359
 360 #else
 361
 362 #define MULADDC_INIT                            \
 363     asm( "lwz    %%r3, %0       " :: "m" (s));  \
 364     asm( "lwz    %%r4, %0       " :: "m" (d));  \
 365     asm( "lwz    %%r5, %0       " :: "m" (c));  \
 366     asm( "lwz    %%r6, %0       " :: "m" (b));  \
 367     asm( "addi   %r3, %r3, -4   " );            \
 368     asm( "addi   %r4, %r4, -4   " );            \
 369     asm( "addic  %r5, %r5,  0   " );
 370
 371 #define MULADDC_CORE                            \
 372     asm( "lwzu   %r7, 4(%r3)    " );            \
 373     asm( "mullw  %r8, %r7, %r6  " );            \
 374     asm( "mulhwu %r9, %r7, %r6  " );            \
 375     asm( "adde   %r8, %r8, %r5  " );            \
 376     asm( "lwz    %r7, 4(%r4)    " );            \
 377     asm( "addze  %r5, %r9       " );            \
 378     asm( "addc   %r8, %r8, %r7  " );            \
 379     asm( "stwu   %r8, 4(%r4)    " );
 380
 381 #define MULADDC_STOP                            \
 382     asm( "addze  %r5, %r5       " );            \
 383     asm( "addi   %r4, %r4, 4    " );            \
 384     asm( "addi   %r3, %r3, 4    " );            \
 385     asm( "stw    %%r5, %0       " : "=m" (c));  \
 386     asm( "stw    %%r4, %0       " : "=m" (d));  \
 387     asm( "stw    %%r3, %0       " : "=m" (s) :: \
 388     "r3", "r4", "r5", "r6", "r7", "r8", "r9" );
 389
 390 #endif
 391
 392 #endif /* PPC32 */
 393 #endif /* PPC64 */
 394
 395 #if defined(__sparc__)
 396
 397 #define MULADDC_INIT                            \
 398     asm( "ld     %0, %%o0       " :: "m" (s));  \
 399     asm( "ld     %0, %%o1       " :: "m" (d));  \
 400     asm( "ld     %0, %%o2       " :: "m" (c));  \
 401     asm( "ld     %0, %%o3       " :: "m" (b));
 402
 403 #define MULADDC_CORE                            \
 404     asm( "ld    [%o0], %o4      " );            \
 405     asm( "inc      4,  %o0      " );            \
 406     asm( "ld    [%o1], %o5      " );            \
 407     asm( "umul   %o3,  %o4, %o4 " );            \
 408     asm( "addcc  %o4,  %o2, %o4 " );            \
 409     asm( "rd      %y,  %g1      " );            \
 410     asm( "addx   %g1,    0, %g1 " );            \
 411     asm( "addcc  %o4,  %o5, %o4 " );            \
 412     asm( "st     %o4, [%o1]     " );            \
 413     asm( "addx   %g1,    0, %o2 " );            \
 414     asm( "inc      4,  %o1      " );
 415
 416 #define MULADDC_STOP                            \
 417     asm( "st     %%o2, %0       " : "=m" (c));  \
 418     asm( "st     %%o1, %0       " : "=m" (d));  \
 419     asm( "st     %%o0, %0       " : "=m" (s) :: \
 420     "g1", "o0", "o1", "o2", "o3", "o4", "o5" );
 421
 422 #endif /* SPARCv8 */
 423
 424 #if defined(__microblaze__) || defined(microblaze)
 425
 426 #define MULADDC_INIT                            \
 427     asm( "lwi   r3,   %0        " :: "m" (s));  \
 428     asm( "lwi   r4,   %0        " :: "m" (d));  \
 429     asm( "lwi   r5,   %0        " :: "m" (c));  \
 430     asm( "lwi   r6,   %0        " :: "m" (b));  \
 431     asm( "andi  r7,   r6, 0xffff" );            \
 432     asm( "bsrli r6,   r6, 16    " );
 433
 434 #define MULADDC_CORE                            \
 435     asm( "lhui  r8,   r3,   0   " );            \
 436     asm( "addi  r3,   r3,   2   " );            \
 437     asm( "lhui  r9,   r3,   0   " );            \
 438     asm( "addi  r3,   r3,   2   " );            \
 439     asm( "mul   r10,  r9,  r6   " );            \
 440     asm( "mul   r11,  r8,  r7   " );            \
 441     asm( "mul   r12,  r9,  r7   " );            \
 442     asm( "mul   r13,  r8,  r6   " );            \
 443     asm( "bsrli  r8, r10,  16   " );            \
 444     asm( "bsrli  r9, r11,  16   " );            \
 445     asm( "add   r13, r13,  r8   " );            \
 446     asm( "add   r13, r13,  r9   " );            \
 447     asm( "bslli r10, r10,  16   " );            \
 448     asm( "bslli r11, r11,  16   " );            \
 449     asm( "add   r12, r12, r10   " );            \
 450     asm( "addc  r13, r13,  r0   " );            \
 451     asm( "add   r12, r12, r11   " );            \
 452     asm( "addc  r13, r13,  r0   " );            \
 453     asm( "lwi   r10,  r4,   0   " );            \
 454     asm( "add   r12, r12, r10   " );            \
 455     asm( "addc  r13, r13,  r0   " );            \
 456     asm( "add   r12, r12,  r5   " );            \
 457     asm( "addc   r5, r13,  r0   " );            \
 458     asm( "swi   r12,  r4,   0   " );            \
 459     asm( "addi   r4,  r4,   4   " );
 460
 461 #define MULADDC_STOP                            \
 462     asm( "swi   r5,   %0        " : "=m" (c));  \
 463     asm( "swi   r4,   %0        " : "=m" (d));  \
 464     asm( "swi   r3,   %0        " : "=m" (s) :: \
 465      "r3", "r4" , "r5" , "r6" , "r7" , "r8" ,   \
 466      "r9", "r10", "r11", "r12", "r13" );
 467
 468 #endif /* MicroBlaze */
 469
 470 #if defined(__tricore__)
 471
 472 #define MULADDC_INIT                            \
 473     asm( "ld.a   %%a2, %0       " :: "m" (s));  \
 474     asm( "ld.a   %%a3, %0       " :: "m" (d));  \
 475     asm( "ld.w   %%d4, %0       " :: "m" (c));  \
 476     asm( "ld.w   %%d1, %0       " :: "m" (b));  \
 477     asm( "xor    %d5, %d5       " );
 478
 479 #define MULADDC_CORE                            \
 480     asm( "ld.w   %d0,   [%a2+]      " );        \
 481     asm( "madd.u %e2, %e4, %d0, %d1 " );        \
 482     asm( "ld.w   %d0,   [%a3]       " );        \
 483     asm( "addx   %d2,    %d2,  %d0  " );        \
 484     asm( "addc   %d3,    %d3,    0  " );        \
 485     asm( "mov    %d4,    %d3        " );        \
 486     asm( "st.w  [%a3+],  %d2        " );
 487
 488 #define MULADDC_STOP                            \
 489     asm( "st.w   %0, %%d4       " : "=m" (c));  \
 490     asm( "st.a   %0, %%a3       " : "=m" (d));  \
 491     asm( "st.a   %0, %%a2       " : "=m" (s) :: \
 492     "d0", "d1", "e2", "d4", "a2", "a3" );
 493
 494 #endif /* TriCore */
 495
 496 #if defined(__arm__)
 497
 498 #define MULADDC_INIT                            \
 499     asm( "ldr    r0, %0         " :: "m" (s));  \
 500     asm( "ldr    r1, %0         " :: "m" (d));  \
 501     asm( "ldr    r2, %0         " :: "m" (c));  \
 502     asm( "ldr    r3, %0         " :: "m" (b));
 503
 504 #define MULADDC_CORE                            \
 505     asm( "ldr    r4, [r0], #4   " );            \
 506     asm( "mov    r5, #0         " );            \
 507     asm( "ldr    r6, [r1]       " );            \
 508     asm( "umlal  r2, r5, r3, r4 " );            \
 509     asm( "adds   r7, r6, r2     " );            \
 510     asm( "adc    r2, r5, #0     " );            \
 511     asm( "str    r7, [r1], #4   " );
 512
 513 #define MULADDC_STOP                            \
 514     asm( "str    r2, %0         " : "=m" (c));  \
 515     asm( "str    r1, %0         " : "=m" (d));  \
 516     asm( "str    r0, %0         " : "=m" (s) :: \
 517     "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7" );
 518
 519 #endif /* ARMv3 */
 520
 521 #if defined(__alpha__)
 522
 523 #define MULADDC_INIT                            \
 524     asm( "ldq    $1, %0         " :: "m" (s));  \
 525     asm( "ldq    $2, %0         " :: "m" (d));  \
 526     asm( "ldq    $3, %0         " :: "m" (c));  \
 527     asm( "ldq    $4, %0         " :: "m" (b));
 528
 529 #define MULADDC_CORE                            \
 530     asm( "ldq    $6,  0($1)     " );            \
 531     asm( "addq   $1,  8, $1     " );            \
 532     asm( "mulq   $6, $4, $7     " );            \
 533     asm( "umulh  $6, $4, $6     " );            \
 534     asm( "addq   $7, $3, $7     " );            \
 535     asm( "cmpult $7, $3, $3     " );            \
 536     asm( "ldq    $5,  0($2)     " );            \
 537     asm( "addq   $7, $5, $7     " );            \
 538     asm( "cmpult $7, $5, $5     " );            \
 539     asm( "stq    $7,  0($2)     " );            \
 540     asm( "addq   $2,  8, $2     " );            \
 541     asm( "addq   $6, $3, $3     " );            \
 542     asm( "addq   $5, $3, $3     " );
 543
 544 #define MULADDC_STOP                            \
 545     asm( "stq    $3, %0         " : "=m" (c));  \
 546     asm( "stq    $2, %0         " : "=m" (d));  \
 547     asm( "stq    $1, %0         " : "=m" (s) :: \
 548     "$1", "$2", "$3", "$4", "$5", "$6", "$7" );
 549
 550 #endif /* Alpha */
 551
 552 #if defined(__mips__)
 553
 554 #define MULADDC_INIT                            \
 555     asm( "lw     $10, %0        " :: "m" (s));  \
 556     asm( "lw     $11, %0        " :: "m" (d));  \
 557     asm( "lw     $12, %0        " :: "m" (c));  \
 558     asm( "lw     $13, %0        " :: "m" (b));
 559
 560 #define MULADDC_CORE                            \
 561     asm( "lw     $14, 0($10)    " );            \
 562     asm( "multu  $13, $14       " );            \
 563     asm( "addi   $10, $10, 4    " );            \
 564     asm( "mflo   $14            " );            \
 565     asm( "mfhi   $9             " );            \
 566     asm( "addu   $14, $12, $14  " );            \
 567     asm( "lw     $15, 0($11)    " );            \
 568     asm( "sltu   $12, $14, $12  " );            \
 569     asm( "addu   $15, $14, $15  " );            \
 570     asm( "sltu   $14, $15, $14  " );            \
 571     asm( "addu   $12, $12, $9   " );            \
 572     asm( "sw     $15, 0($11)    " );            \
 573     asm( "addu   $12, $12, $14  " );            \
 574     asm( "addi   $11, $11, 4    " );
 575
 576 #define MULADDC_STOP                            \
 577     asm( "sw     $12, %0        " : "=m" (c));  \
 578     asm( "sw     $11, %0        " : "=m" (d));  \
 579     asm( "sw     $10, %0        " : "=m" (s) :: \
 580     "$9", "$10", "$11", "$12", "$13", "$14", "$15" );
 581
 582 #endif /* MIPS */
 583 #endif /* GNUC */
 584
 585 #if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
 586
 587 #define MULADDC_INIT                            \
 588     __asm   mov     esi, s                      \
 589     __asm   mov     edi, d                      \
 590     __asm   mov     ecx, c                      \
 591     __asm   mov     ebx, b
 592
 593 #define MULADDC_CORE                            \
 594     __asm   lodsd                               \
 595     __asm   mul     ebx                         \
 596     __asm   add     eax, ecx                    \
 597     __asm   adc     edx, 0                      \
 598     __asm   add     eax, [edi]                  \
 599     __asm   adc     edx, 0                      \
 600     __asm   mov     ecx, edx                    \
 601     __asm   stosd
 602
 603 #if defined(POLARSSL_HAVE_SSE2)
 604
 605 #define EMIT __asm _emit
 606
 607 #define MULADDC_HUIT                            \
 608     EMIT 0x0F  EMIT 0x6E  EMIT 0xC9             \
 609     EMIT 0x0F  EMIT 0x6E  EMIT 0xC3             \
 610     EMIT 0x0F  EMIT 0x6E  EMIT 0x1F             \
 611     EMIT 0x0F  EMIT 0xD4  EMIT 0xCB             \
 612     EMIT 0x0F  EMIT 0x6E  EMIT 0x16             \
 613     EMIT 0x0F  EMIT 0xF4  EMIT 0xD0             \
 614     EMIT 0x0F  EMIT 0x6E  EMIT 0x66  EMIT 0x04  \
 615     EMIT 0x0F  EMIT 0xF4  EMIT 0xE0             \
 616     EMIT 0x0F  EMIT 0x6E  EMIT 0x76  EMIT 0x08  \
 617     EMIT 0x0F  EMIT 0xF4  EMIT 0xF0             \
 618     EMIT 0x0F  EMIT 0x6E  EMIT 0x7E  EMIT 0x0C  \
 619     EMIT 0x0F  EMIT 0xF4  EMIT 0xF8             \
 620     EMIT 0x0F  EMIT 0xD4  EMIT 0xCA             \
 621     EMIT 0x0F  EMIT 0x6E  EMIT 0x5F  EMIT 0x04  \
 622     EMIT 0x0F  EMIT 0xD4  EMIT 0xDC             \
 623     EMIT 0x0F  EMIT 0x6E  EMIT 0x6F  EMIT 0x08  \
 624     EMIT 0x0F  EMIT 0xD4  EMIT 0xEE             \
 625     EMIT 0x0F  EMIT 0x6E  EMIT 0x67  EMIT 0x0C  \
 626     EMIT 0x0F  EMIT 0xD4  EMIT 0xFC             \
 627     EMIT 0x0F  EMIT 0x7E  EMIT 0x0F             \
 628     EMIT 0x0F  EMIT 0x6E  EMIT 0x56  EMIT 0x10  \
 629     EMIT 0x0F  EMIT 0xF4  EMIT 0xD0             \
 630     EMIT 0x0F  EMIT 0x73  EMIT 0xD1  EMIT 0x20  \
 631     EMIT 0x0F  EMIT 0x6E  EMIT 0x66  EMIT 0x14  \
 632     EMIT 0x0F  EMIT 0xF4  EMIT 0xE0             \
 633     EMIT 0x0F  EMIT 0xD4  EMIT 0xCB             \
 634     EMIT 0x0F  EMIT 0x6E  EMIT 0x76  EMIT 0x18  \
 635     EMIT 0x0F  EMIT 0xF4  EMIT 0xF0             \
 636     EMIT 0x0F  EMIT 0x7E  EMIT 0x4F  EMIT 0x04  \
 637     EMIT 0x0F  EMIT 0x73  EMIT 0xD1  EMIT 0x20  \
 638     EMIT 0x0F  EMIT 0x6E  EMIT 0x5E  EMIT 0x1C  \
 639     EMIT 0x0F  EMIT 0xF4  EMIT 0xD8             \
 640     EMIT 0x0F  EMIT 0xD4  EMIT 0xCD             \
 641     EMIT 0x0F  EMIT 0x6E  EMIT 0x6F  EMIT 0x10  \
 642     EMIT 0x0F  EMIT 0xD4  EMIT 0xD5             \
 643     EMIT 0x0F  EMIT 0x7E  EMIT 0x4F  EMIT 0x08  \
 644     EMIT 0x0F  EMIT 0x73  EMIT 0xD1  EMIT 0x20  \
 645     EMIT 0x0F  EMIT 0xD4  EMIT 0xCF             \
 646     EMIT 0x0F  EMIT 0x6E  EMIT 0x6F  EMIT 0x14  \
 647     EMIT 0x0F  EMIT 0xD4  EMIT 0xE5             \
 648     EMIT 0x0F  EMIT 0x7E  EMIT 0x4F  EMIT 0x0C  \
 649     EMIT 0x0F  EMIT 0x73  EMIT 0xD1  EMIT 0x20  \
 650     EMIT 0x0F  EMIT 0xD4  EMIT 0xCA             \
 651     EMIT 0x0F  EMIT 0x6E  EMIT 0x6F  EMIT 0x18  \
 652     EMIT 0x0F  EMIT 0xD4  EMIT 0xF5             \
 653     EMIT 0x0F  EMIT 0x7E  EMIT 0x4F  EMIT 0x10  \
 654     EMIT 0x0F  EMIT 0x73  EMIT 0xD1  EMIT 0x20  \
 655     EMIT 0x0F  EMIT 0xD4  EMIT 0xCC             \
 656     EMIT 0x0F  EMIT 0x6E  EMIT 0x6F  EMIT 0x1C  \
 657     EMIT 0x0F  EMIT 0xD4  EMIT 0xDD             \
 658     EMIT 0x0F  EMIT 0x7E  EMIT 0x4F  EMIT 0x14  \
 659     EMIT 0x0F  EMIT 0x73  EMIT 0xD1  EMIT 0x20  \
 660     EMIT 0x0F  EMIT 0xD4  EMIT 0xCE             \
 661     EMIT 0x0F  EMIT 0x7E  EMIT 0x4F  EMIT 0x18  \
 662     EMIT 0x0F  EMIT 0x73  EMIT 0xD1  EMIT 0x20  \
 663     EMIT 0x0F  EMIT 0xD4  EMIT 0xCB             \
 664     EMIT 0x0F  EMIT 0x7E  EMIT 0x4F  EMIT 0x1C  \
 665     EMIT 0x83  EMIT 0xC7  EMIT 0x20             \
 666     EMIT 0x83  EMIT 0xC6  EMIT 0x20             \
 667     EMIT 0x0F  EMIT 0x73  EMIT 0xD1  EMIT 0x20  \
 668     EMIT 0x0F  EMIT 0x7E  EMIT 0xC9
 669
 670 #define MULADDC_STOP                            \
 671     EMIT 0x0F  EMIT 0x77                        \
 672     __asm   mov     c, ecx                      \
 673     __asm   mov     d, edi                      \
 674     __asm   mov     s, esi                      \
 675
 676 #else
 677
 678 #define MULADDC_STOP                            \
 679     __asm   mov     c, ecx                      \
 680     __asm   mov     d, edi                      \
 681     __asm   mov     s, esi                      \
 682
 683 #endif /* SSE2 */
 684 #endif /* MSVC */
 685
 686 #endif /* POLARSSL_HAVE_ASM */
 687
 688 #if !defined(MULADDC_CORE)
 689 #if defined(POLARSSL_HAVE_LONGLONG)
 690
 691 #define MULADDC_INIT                    \
 692 {                                       \
 693     t_dbl r;                            \
 694     t_int r0, r1;
 695
 696 #define MULADDC_CORE                    \
 697     r   = *(s++) * (t_dbl) b;           \
 698     r0  = r;                            \
 699     r1  = r >> biL;                     \
 700     r0 += c;  r1 += (r0 <  c);          \
 701     r0 += *d; r1 += (r0 < *d);          \
 702     c = r1; *(d++) = r0;
 703
 704 #define MULADDC_STOP                    \
 705 }
 706
 707 #else
 708 #define MULADDC_INIT                    \
 709 {                                       \
 710     t_int s0, s1, b0, b1;               \
 711     t_int r0, r1, rx, ry;               \
 712     b0 = ( b << biH ) >> biH;           \
 713     b1 = ( b >> biH );
 714
 715 #define MULADDC_CORE                    \
 716     s0 = ( *s << biH ) >> biH;          \
 717     s1 = ( *s >> biH ); s++;            \
 718     rx = s0 * b1; r0 = s0 * b0;         \
 719     ry = s1 * b0; r1 = s1 * b1;         \
 720     r1 += ( rx >> biH );                \
 721     r1 += ( ry >> biH );                \
 722     rx <<= biH; ry <<= biH;             \
 723     r0 += rx; r1 += (r0 < rx);          \
 724     r0 += ry; r1 += (r0 < ry);          \
 725     r0 +=  c; r1 += (r0 <  c);          \
 726     r0 += *d; r1 += (r0 < *d);          \
 727     c = r1; *(d++) = r0;
 728
 729 #define MULADDC_STOP                    \
 730 }
 731
 732 #endif /* C (generic)  */
 733 #endif /* C (longlong) */
 734
 735 #endif /* bn_mul.h */