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review.trustedfirmware.org / mirror / mbed-tls / 525f87559f618e2d3b6f3c6db68d9062b373326e / . / include / polarssl / bn_mul.h
blob: 870be37d643af25e3f04a69d5bd62b2b405522ee [file] [log] [blame]
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]1/**
2 * \file bn_mul.h
Paul Bakkere0ccd0a2009-01-04 16:27:10 +0000[diff] [blame]3 *
Paul Bakker37ca75d2011-01-06 12:28:03 +0000[diff] [blame]4 * \brief Multi-precision integer library
5 *
Paul Bakker84f12b72010-07-18 10:13:04 +0000[diff] [blame]6 * Copyright (C) 2006-2010, Brainspark B.V.
Paul Bakkerb96f1542010-07-18 20:36:00 +0000[diff] [blame]7 *
8 * This file is part of PolarSSL (http://www.polarssl.org)
Paul Bakker84f12b72010-07-18 10:13:04 +0000[diff] [blame]9 * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
Paul Bakkerb96f1542010-07-18 20:36:00 +0000[diff] [blame]10 *
Paul Bakker77b385e2009-07-28 17:23:11 +0000[diff] [blame]11 * All rights reserved.
Paul Bakkere0ccd0a2009-01-04 16:27:10 +0000[diff] [blame]12 *
Paul Bakkere0ccd0a2009-01-04 16:27:10 +0000[diff] [blame]13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License along
24 * with this program; if not, write to the Free Software Foundation, Inc.,
25 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]26 */
27/*
28 * Multiply source vector [s] with b, add result
29 * to destination vector [d] and set carry c.
30 *
31 * Currently supports:
32 *
33 * . IA-32 (386+) . AMD64 / EM64T
34 * . IA-32 (SSE2) . Motorola 68000
35 * . PowerPC, 32-bit . MicroBlaze
36 * . PowerPC, 64-bit . TriCore
37 * . SPARC v8 . ARM v3+
38 * . Alpha . MIPS32
39 * . C, longlong . C, generic
40 */
Paul Bakker40e46942009-01-03 21:51:57 +0000[diff] [blame]41#ifndef POLARSSL_BN_MUL_H
42#define POLARSSL_BN_MUL_H
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]43
Paul Bakker66219872012-01-22 20:38:13 +0000[diff] [blame]44#include "bignum.h"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]45
Paul Bakker40e46942009-01-03 21:51:57 +0000[diff] [blame]46#if defined(POLARSSL_HAVE_ASM)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]47
48#if defined(__GNUC__)
49#if defined(__i386__)
50
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]51#define MULADDC_INIT \
52 asm( " \
53 movl %%ebx, %0; \
54 movl %5, %%esi; \
55 movl %6, %%edi; \
56 movl %7, %%ecx; \
57 movl %8, %%ebx; \
58 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]59
Paul Bakker40fe2b02009-07-08 19:49:01 +0000[diff] [blame]60#define MULADDC_CORE \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]61 " \
Paul Bakker40fe2b02009-07-08 19:49:01 +0000[diff] [blame]62 lodsl; \
63 mull %%ebx; \
64 addl %%ecx, %%eax; \
65 adcl $0, %%edx; \
66 addl (%%edi), %%eax; \
67 adcl $0, %%edx; \
68 movl %%edx, %%ecx; \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]69 stosl; \
70 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]71
Paul Bakker40e46942009-01-03 21:51:57 +0000[diff] [blame]72#if defined(POLARSSL_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]73
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]74#define MULADDC_HUIT \
75 " \
76 movd %%ecx, %%mm1; \
77 movd %%ebx, %%mm0; \
78 movd (%%edi), %%mm3; \
79 paddq %%mm3, %%mm1; \
80 movd (%%esi), %%mm2; \
81 pmuludq %%mm0, %%mm2; \
82 movd 4(%%esi), %%mm4; \
83 pmuludq %%mm0, %%mm4; \
84 movd 8(%%esi), %%mm6; \
85 pmuludq %%mm0, %%mm6; \
86 movd 12(%%esi), %%mm7; \
87 pmuludq %%mm0, %%mm7; \
88 paddq %%mm2, %%mm1; \
89 movd 4(%%edi), %%mm3; \
90 paddq %%mm4, %%mm3; \
91 movd 8(%%edi), %%mm5; \
92 paddq %%mm6, %%mm5; \
93 movd 12(%%edi), %%mm4; \
94 paddq %%mm4, %%mm7; \
95 movd %%mm1, (%%edi); \
96 movd 16(%%esi), %%mm2; \
97 pmuludq %%mm0, %%mm2; \
98 psrlq $32, %%mm1; \
99 movd 20(%%esi), %%mm4; \
100 pmuludq %%mm0, %%mm4; \
101 paddq %%mm3, %%mm1; \
102 movd 24(%%esi), %%mm6; \
103 pmuludq %%mm0, %%mm6; \
104 movd %%mm1, 4(%%edi); \
105 psrlq $32, %%mm1; \
106 movd 28(%%esi), %%mm3; \
107 pmuludq %%mm0, %%mm3; \
108 paddq %%mm5, %%mm1; \
109 movd 16(%%edi), %%mm5; \
110 paddq %%mm5, %%mm2; \
111 movd %%mm1, 8(%%edi); \
112 psrlq $32, %%mm1; \
113 paddq %%mm7, %%mm1; \
114 movd 20(%%edi), %%mm5; \
115 paddq %%mm5, %%mm4; \
116 movd %%mm1, 12(%%edi); \
117 psrlq $32, %%mm1; \
118 paddq %%mm2, %%mm1; \
119 movd 24(%%edi), %%mm5; \
120 paddq %%mm5, %%mm6; \
121 movd %%mm1, 16(%%edi); \
122 psrlq $32, %%mm1; \
123 paddq %%mm4, %%mm1; \
124 movd 28(%%edi), %%mm5; \
125 paddq %%mm5, %%mm3; \
126 movd %%mm1, 20(%%edi); \
127 psrlq $32, %%mm1; \
128 paddq %%mm6, %%mm1; \
129 movd %%mm1, 24(%%edi); \
130 psrlq $32, %%mm1; \
131 paddq %%mm3, %%mm1; \
132 movd %%mm1, 28(%%edi); \
133 addl $32, %%edi; \
134 addl $32, %%esi; \
135 psrlq $32, %%mm1; \
136 movd %%mm1, %%ecx; \
137 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]138
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]139#define MULADDC_STOP \
140 " \
141 emms; \
142 movl %4, %%ebx; \
143 movl %%ecx, %1; \
144 movl %%edi, %2; \
145 movl %%esi, %3; \
146 " \
147 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
148 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
149 : "eax", "ecx", "edx", "esi", "edi" \
150 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]151
152#else
153
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]154#define MULADDC_STOP \
155 " \
156 movl %4, %%ebx; \
157 movl %%ecx, %1; \
158 movl %%edi, %2; \
159 movl %%esi, %3; \
160 " \
161 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
162 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
163 : "eax", "ecx", "edx", "esi", "edi" \
164 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]165#endif /* SSE2 */
166#endif /* i386 */
167
168#if defined(__amd64__) || defined (__x86_64__)
169
Manuel Pégourié-Gonnarddef018d2014-01-07 17:50:46 +0100[diff] [blame]170#define MULADDC_INIT \
171 asm( \
172 " \
173 movq %3, %%rsi; \
174 movq %4, %%rdi; \
175 movq %5, %%rcx; \
176 movq %6, %%rbx; \
177 xorq %%r8, %%r8; \
178 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]179
Manuel Pégourié-Gonnarddef018d2014-01-07 17:50:46 +0100[diff] [blame]180#define MULADDC_CORE \
181 " \
182 movq (%%rsi), %%rax; \
183 mulq %%rbx; \
184 addq $8, %%rsi; \
185 addq %%rcx, %%rax; \
186 movq %%r8, %%rcx; \
187 adcq $0, %%rdx; \
188 nop; \
189 addq %%rax, (%%rdi); \
190 adcq %%rdx, %%rcx; \
191 addq $8, %%rdi; \
192 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]193
Manuel Pégourié-Gonnarddef018d2014-01-07 17:50:46 +0100[diff] [blame]194#define MULADDC_STOP \
195 " \
196 movq %%rcx, %0; \
197 movq %%rdi, %1; \
198 movq %%rsi, %2; \
199 " \
200 : "=m" (c), "=m" (d), "=m" (s) \
201 : "m" (s), "m" (d), "m" (c), "m" (b) \
202 : "rax", "rcx", "rdx", "rbx", "rsi", "rdi", "r8" \
203 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]204
205#endif /* AMD64 */
206
207#if defined(__mc68020__) || defined(__mcpu32__)
208
Manuel Pégourié-Gonnard3b05e4c2014-01-10 15:30:23 +0100[diff] [blame]209#define MULADDC_INIT \
210 asm( \
211 " \
212 movl %3, %%a2; \
213 movl %4, %%a3; \
214 movl %5, %%d3; \
215 movl %6, %%d2; \
216 moveq #0, %%d0; \
217 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]218
Manuel Pégourié-Gonnard3b05e4c2014-01-10 15:30:23 +0100[diff] [blame]219#define MULADDC_CORE \
220 " \
221 movel %%a2@+, %%d1; \
222 mulul %%d2, %%d4:%%d1; \
223 addl %%d3, %%d1; \
224 addxl %%d0, %%d4; \
225 moveq #0, %%d3; \
226 addl %%d1, %%a3@+; \
227 addxl %%d4, %%d3; \
228 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]229
Manuel Pégourié-Gonnard3b05e4c2014-01-10 15:30:23 +0100[diff] [blame]230#define MULADDC_STOP \
231 " \
232 movl %%d3, %0; \
233 movl %%a3, %1; \
234 movl %%a2, %2; \
235 " \
236 : "=m" (c), "=m" (d), "=m" (s) \
237 : "m" (s), "m" (d), "m" (c), "m" (b) \
238 : "d0", "d1", "d2", "d3", "d4", "a2", "a3" \
239 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]240
Manuel Pégourié-Gonnard3b05e4c2014-01-10 15:30:23 +0100[diff] [blame]241#define MULADDC_HUIT \
242 " \
243 movel %%a2@+, %%d1; \
244 mulul %%d2, %%d4:%%d1; \
245 addxl %%d3, %%d1; \
246 addxl %%d0, %%d4; \
247 addl %%d1, %%a3@+; \
248 movel %%a2@+, %%d1; \
249 mulul %%d2, %%d3:%%d1; \
250 addxl %%d4, %%d1; \
251 addxl %%d0, %%d3; \
252 addl %%d1, %%a3@+; \
253 movel %%a2@+, %%d1; \
254 mulul %%d2, %%d4:%%d1; \
255 addxl %%d3, %%d1; \
256 addxl %%d0, %%d4; \
257 addl %%d1, %%a3@+; \
258 movel %%a2@+, %%d1; \
259 mulul %%d2, %%d3:%%d1; \
260 addxl %%d4, %%d1; \
261 addxl %%d0, %%d3; \
262 addl %%d1, %%a3@+; \
263 movel %%a2@+, %%d1; \
264 mulul %%d2, %%d4:%%d1; \
265 addxl %%d3, %%d1; \
266 addxl %%d0, %%d4; \
267 addl %%d1, %%a3@+; \
268 movel %%a2@+, %%d1; \
269 mulul %%d2, %%d3:%%d1; \
270 addxl %%d4, %%d1; \
271 addxl %%d0, %%d3; \
272 addl %%d1, %%a3@+; \
273 movel %%a2@+, %%d1; \
274 mulul %%d2, %%d4:%%d1; \
275 addxl %%d3, %%d1; \
276 addxl %%d0, %%d4; \
277 addl %%d1, %%a3@+; \
278 movel %%a2@+, %%d1; \
279 mulul %%d2, %%d3:%%d1; \
280 addxl %%d4, %%d1; \
281 addxl %%d0, %%d3; \
282 addl %%d1, %%a3@+; \
283 addxl %%d0, %%d3; \
284 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]285
286#endif /* MC68000 */
287
288#if defined(__powerpc__) || defined(__ppc__)
289#if defined(__powerpc64__) || defined(__ppc64__)
290
291#if defined(__MACH__) && defined(__APPLE__)
292
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]293#define MULADDC_INIT \
294 asm( \
295 " \
296 ld r3, %3; \
297 ld r4, %4; \
298 ld r5, %5; \
299 ld r6, %6; \
300 addi r3, r3, -8; \
301 addi r4, r4, -8; \
302 addic r5, r5, 0; \
303 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]304
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]305#define MULADDC_CORE \
306 " \
307 ldu r7, 8(r3); \
308 mulld r8, r7, r6; \
309 mulhdu r9, r7, r6; \
310 adde r8, r8, r5; \
311 ld r7, 8(r4); \
312 addze r5, r9; \
313 addc r8, r8, r7; \
314 stdu r8, 8(r4); \
315 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]316
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]317#define MULADDC_STOP \
318 " \
319 addze r5, r5; \
320 addi r4, r4, 8; \
321 addi r3, r3, 8; \
322 std r5, %0; \
323 std r4, %1; \
324 std r3, %2; \
325 " \
326 : "=m" (c), "=m" (d), "=m" (s) \
327 : "m" (s), "m" (d), "m" (c), "m" (b) \
328 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
329 );
330
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]331
332#else
333
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]334#define MULADDC_INIT \
335 asm( \
336 " \
337 ld %%r3, %3; \
338 ld %%r4, %4; \
339 ld %%r5, %5; \
340 ld %%r6, %6; \
341 addi %%r3, %%r3, -8; \
342 addi %%r4, %%r4, -8; \
343 addic %%r5, %%r5, 0; \
344 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]345
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]346#define MULADDC_CORE \
347 " \
348 ldu %%r7, 8(%%r3); \
349 mulld %%r8, %%r7, %%r6; \
350 mulhdu %%r9, %%r7, %%r6; \
351 adde %%r8, %%r8, %%r5; \
352 ld %%r7, 8(%%r4); \
353 addze %%r5, %%r9; \
354 addc %%r8, %%r8, %%r7; \
355 stdu %%r8, 8(%%r4); \
356 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]357
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]358#define MULADDC_STOP \
359 " \
360 addze %%r5, %%r5; \
361 addi %%r4, %%r4, 8; \
362 addi %%r3, %%r3, 8; \
363 std %%r5, %0; \
364 std %%r4, %1; \
365 std %%r3, %2; \
366 " \
367 : "=m" (c), "=m" (d), "=m" (s) \
368 : "m" (s), "m" (d), "m" (c), "m" (b) \
369 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
370 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]371
372#endif
373
374#else /* PPC32 */
375
376#if defined(__MACH__) && defined(__APPLE__)
377
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]378#define MULADDC_INIT \
379 asm( \
380 " \
381 lwz r3, %3; \
382 lwz r4, %4; \
383 lwz r5, %5; \
384 lwz r6, %6; \
385 addi r3, r3, -4; \
386 addi r4, r4, -4; \
387 addic r5, r5, 0; \
388 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]389
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]390#define MULADDC_CORE \
391 " \
392 lwzu r7, 4(r3); \
393 mullw r8, r7, r6; \
394 mulhwu r9, r7, r6; \
395 adde r8, r8, r5; \
396 lwz r7, 4(r4); \
397 addze r5, r9; \
398 addc r8, r8, r7; \
399 stwu r8, 4(r4); \
400 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]401
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]402#define MULADDC_STOP \
403 " \
404 addze r5, r5; \
405 addi r4, r4, 4; \
406 addi r3, r3, 4; \
407 stw r5, %0; \
408 stw r4, %1; \
409 stw r3, %2; \
410 " \
411 : "=m" (c), "=m" (d), "=m" (s) \
412 : "m" (s), "m" (d), "m" (c), "m" (b) \
413 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
414 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]415
416#else
417
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]418#define MULADDC_INIT \
419 asm( \
420 " \
421 lwz %%r3, %3; \
422 lwz %%r4, %4; \
423 lwz %%r5, %5; \
424 lwz %%r6, %6; \
425 addi %%r3, %%r3, -4; \
426 addi %%r4, %%r4, -4; \
427 addic %%r5, %%r5, 0; \
428 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]429
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]430#define MULADDC_CORE \
431 " \
432 lwzu %%r7, 4(%%r3); \
433 mullw %%r8, %%r7, %%r6; \
434 mulhwu %%r9, %%r7, %%r6; \
435 adde %%r8, %%r8, %%r5; \
436 lwz %%r7, 4(%%r4); \
437 addze %%r5, %%r9; \
438 addc %%r8, %%r8, %%r7; \
439 stwu %%r8, 4(%%r4); \
440 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]441
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]442#define MULADDC_STOP \
443 " \
444 addze %%r5, %%r5; \
445 addi %%r4, %%r4, 4; \
446 addi %%r3, %%r3, 4; \
447 stw %%r5, %0; \
448 stw %%r4, %1; \
449 stw %%r3, %2; \
450 " \
451 : "=m" (c), "=m" (d), "=m" (s) \
452 : "m" (s), "m" (d), "m" (c), "m" (b) \
453 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
454 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]455
456#endif
457
458#endif /* PPC32 */
459#endif /* PPC64 */
460
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]461#if defined(__sparc__) && defined(__sparc64__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]462
463#define MULADDC_INIT \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]464 asm( \
465 " \
466 ldx %3, %%o0; \
467 ldx %4, %%o1; \
468 ld %5, %%o2; \
469 ld %6, %%o3; \
470 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]471
472#define MULADDC_CORE \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]473 " \
474 ld [%%o0], %%o4; \
475 inc 4, %%o0; \
476 ld [%%o1], %%o5; \
477 umul %%o3, %%o4, %%o4; \
478 addcc %%o4, %%o2, %%o4; \
479 rd %%y, %%g1; \
480 addx %%g1, 0, %%g1; \
481 addcc %%o4, %%o5, %%o4; \
482 st %%o4, [%%o1]; \
483 addx %%g1, 0, %%o2; \
484 inc 4, %%o1; \
485 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]486
487#define MULADDC_STOP \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]488 " \
489 st %%o2, %0; \
490 stx %%o1, %1; \
491 stx %%o0, %2; \
492 " \
493 : "=m" (c), "=m" (d), "=m" (s) \
494 : "m" (s), "m" (d), "m" (c), "m" (b) \
495 : "g1", "o0", "o1", "o2", "o3", "o4", \
496 "o5" \
497 );
498#endif /* SPARCv9 */
499
500#if defined(__sparc__) && !defined(__sparc64__)
501
502#define MULADDC_INIT \
503 asm( \
504 " \
505 ld %3, %%o0; \
506 ld %4, %%o1; \
507 ld %5, %%o2; \
508 ld %6, %%o3; \
509 "
510
511#define MULADDC_CORE \
512 " \
513 ld [%%o0], %%o4; \
514 inc 4, %%o0; \
515 ld [%%o1], %%o5; \
516 umul %%o3, %%o4, %%o4; \
517 addcc %%o4, %%o2, %%o4; \
518 rd %%y, %%g1; \
519 addx %%g1, 0, %%g1; \
520 addcc %%o4, %%o5, %%o4; \
521 st %%o4, [%%o1]; \
522 addx %%g1, 0, %%o2; \
523 inc 4, %%o1; \
524 "
525
526#define MULADDC_STOP \
527 " \
528 st %%o2, %0; \
529 st %%o1, %1; \
530 st %%o0, %2; \
531 " \
532 : "=m" (c), "=m" (d), "=m" (s) \
533 : "m" (s), "m" (d), "m" (c), "m" (b) \
534 : "g1", "o0", "o1", "o2", "o3", "o4", \
535 "o5" \
536 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]537
538#endif /* SPARCv8 */
539
540#if defined(__microblaze__) || defined(microblaze)
541
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]542#define MULADDC_INIT \
543 asm( \
544 " \
545 lwi r3, %3; \
546 lwi r4, %4; \
547 lwi r5, %5; \
548 lwi r6, %6; \
549 andi r7, r6, 0xffff; \
550 bsrli r6, r6, 16; \
551 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]552
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]553#define MULADDC_CORE \
554 " \
555 lhui r8, r3, 0; \
556 addi r3, r3, 2; \
557 lhui r9, r3, 0; \
558 addi r3, r3, 2; \
559 mul r10, r9, r6; \
560 mul r11, r8, r7; \
561 mul r12, r9, r7; \
562 mul r13, r8, r6; \
563 bsrli r8, r10, 16; \
564 bsrli r9, r11, 16; \
565 add r13, r13, r8; \
566 add r13, r13, r9; \
567 bslli r10, r10, 16; \
568 bslli r11, r11, 16; \
569 add r12, r12, r10; \
570 addc r13, r13, r0; \
571 add r12, r12, r11; \
572 addc r13, r13, r0; \
573 lwi r10, r4, 0; \
574 add r12, r12, r10; \
575 addc r13, r13, r0; \
576 add r12, r12, r5; \
577 addc r5, r13, r0; \
578 swi r12, r4, 0; \
579 addi r4, r4, 4; \
580 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]581
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]582#define MULADDC_STOP \
583 " \
584 swi r5, %0; \
585 swi r4, %1; \
586 swi r3, %2; \
587 " \
588 : "=m" (c), "=m" (d), "=m" (s) \
589 : "m" (s), "m" (d), "m" (c), "m" (b) \
590 : "r3", "r4" "r5", "r6", "r7", "r8", \
591 "r9", "r10", "r11", "r12", "r13" \
592 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]593
594#endif /* MicroBlaze */
595
596#if defined(__tricore__)
597
Manuel Pégourié-Gonnard3f687ad2014-01-10 15:47:50 +0100[diff] [blame]598#define MULADDC_INIT \
599 asm( \
600 " \
601 ld.a %%a2, %3; \
602 ld.a %%a3, %4; \
603 ld.w %%d4, %5; \
604 ld.w %%d1, %6; \
605 xor %%d5, %%d5; \
606 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]607
Manuel Pégourié-Gonnard3f687ad2014-01-10 15:47:50 +0100[diff] [blame]608#define MULADDC_CORE \
609 " \
610 ld.w %%d0, [%%a2+]; \
611 madd.u %%e2, %%e4, %%d0, %%d1; \
612 ld.w %%d0, [%%a3]; \
613 addx %%d2, %%d2, %%d0; \
614 addc %%d3, %%d3, 0; \
615 mov %%d4, %%d3; \
616 st.w [%%a3+], %%d2; \
617 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]618
Manuel Pégourié-Gonnard3f687ad2014-01-10 15:47:50 +0100[diff] [blame]619#define MULADDC_STOP \
620 " \
621 st.w %0, %%d4; \
622 st.a %1, %%a3; \
623 st.a %2, %%a2; \
624 " \
625 : "=m" (c), "=m" (d), "=m" (s) \
626 : "m" (s), "m" (d), "m" (c), "m" (b) \
627 : "d0", "d1", "e2", "d4", "a2", "a3" \
628 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]629
630#endif /* TriCore */
631
632#if defined(__arm__)
633
Paul Bakkerfc4f46f2013-06-24 19:23:56 +0200[diff] [blame]634#if defined(__thumb__) && !defined(__thumb2__)
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]635
636#define MULADDC_INIT \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]637 asm( \
638 " \
639 ldr r0, %3; \
640 ldr r1, %4; \
641 ldr r2, %5; \
642 ldr r3, %6; \
643 lsr r7, r3, #16; \
644 mov r9, r7; \
645 lsl r7, r3, #16; \
646 lsr r7, r7, #16; \
647 mov r8, r7; \
648 "
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]649
650#define MULADDC_CORE \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]651 " \
652 ldmia r0!, {r6}; \
653 lsr r7, r6, #16; \
654 lsl r6, r6, #16; \
655 lsr r6, r6, #16; \
656 mov r4, r8; \
657 mul r4, r6; \
658 mov r3, r9; \
659 mul r6, r3; \
660 mov r5, r9; \
661 mul r5, r7; \
662 mov r3, r8; \
663 mul r7, r3; \
664 lsr r3, r6, #16; \
665 add r5, r5, r3; \
666 lsr r3, r7, #16; \
667 add r5, r5, r3; \
668 add r4, r4, r2; \
669 mov r2, #0; \
670 adc r5, r2; \
671 lsl r3, r6, #16; \
672 add r4, r4, r3; \
673 adc r5, r2; \
674 lsl r3, r7, #16; \
675 add r4, r4, r3; \
676 adc r5, r2; \
677 ldr r3, [r1]; \
678 add r4, r4, r3; \
679 adc r2, r5; \
680 stmia r1!, {r4}; \
681 "
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]682
683#define MULADDC_STOP \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]684 " \
685 str r2, %0; \
686 str r1, %1; \
687 str r0, %2; \
688 " \
689 : "=m" (c), "=m" (d), "=m" (s) \
690 : "m" (s), "m" (d), "m" (c), "m" (b) \
691 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]692 "r6", "r7", "r8", "r9", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]693 );
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]694
695#else
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]696
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]697#define MULADDC_INIT \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]698 asm( \
699 " \
700 ldr r0, %3; \
701 ldr r1, %4; \
702 ldr r2, %5; \
703 ldr r3, %6; \
704 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]705
706#define MULADDC_CORE \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]707 " \
708 ldr r4, [r0], #4; \
709 mov r5, #0; \
710 ldr r6, [r1]; \
711 umlal r2, r5, r3, r4; \
712 adds r7, r6, r2; \
713 adc r2, r5, #0; \
714 str r7, [r1], #4; \
715 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]716
717#define MULADDC_STOP \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]718 " \
719 str r2, %0; \
720 str r1, %1; \
721 str r0, %2; \
722 " \
723 : "=m" (c), "=m" (d), "=m" (s) \
724 : "m" (s), "m" (d), "m" (c), "m" (b) \
725 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]726 "r6", "r7", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]727 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]728
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]729#endif /* Thumb */
730
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]731#endif /* ARMv3 */
732
733#if defined(__alpha__)
734
Manuel Pégourié-Gonnard5af8e642014-01-10 15:53:41 +0100[diff] [blame]735#define MULADDC_INIT \
736 asm( \
737 " \
738 ldq $1, %3; \
739 ldq $2, %4; \
740 ldq $3, %5; \
741 ldq $4, %6; \
742 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]743
Manuel Pégourié-Gonnard5af8e642014-01-10 15:53:41 +0100[diff] [blame]744#define MULADDC_CORE \
745 " \
746 ldq $6, 0($1); \
747 addq $1, 8, $1; \
748 mulq $6, $4, $7; \
749 umulh $6, $4, $6; \
750 addq $7, $3, $7; \
751 cmpult $7, $3, $3; \
752 ldq $5, 0($2); \
753 addq $7, $5, $7; \
754 cmpult $7, $5, $5; \
755 stq $7, 0($2); \
756 addq $2, 8, $2; \
757 addq $6, $3, $3; \
758 addq $5, $3, $3; \
759 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]760
761#define MULADDC_STOP \
Manuel Pégourié-Gonnard5af8e642014-01-10 15:53:41 +0100[diff] [blame]762 " \
763 stq $3, %0; \
764 stq $2, %1; \
765 stq $1, %2; \
766 " \
767 : "=m" (c), "=m" (d), "=m" (s) \
768 : "m" (s), "m" (d), "m" (c), "m" (b) \
769 : "$1", "$2", "$3", "$4", "$5", "$6", "$7" \
770 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]771#endif /* Alpha */
772
Alex Wilson73491422014-03-06 00:04:09 +1000[diff] [blame]773#if defined(__mips__) && !defined(__mips64__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]774
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]775#define MULADDC_INIT \
776 asm( \
777 " \
778 lw $10, %3; \
779 lw $11, %4; \
780 lw $12, %5; \
781 lw $13, %6; \
782 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]783
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]784#define MULADDC_CORE \
785 " \
786 lw $14, 0($10); \
787 multu $13, $14; \
788 addi $10, $10, 4; \
789 mflo $14; \
790 mfhi $9; \
791 addu $14, $12, $14; \
792 lw $15, 0($11); \
793 sltu $12, $14, $12; \
794 addu $15, $14, $15; \
795 sltu $14, $15, $14; \
796 addu $12, $12, $9; \
797 sw $15, 0($11); \
798 addu $12, $12, $14; \
799 addi $11, $11, 4; \
800 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]801
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]802#define MULADDC_STOP \
803 " \
804 sw $12, %0; \
805 sw $11, %1; \
806 sw $10, %2; \
807 " \
808 : "=m" (c), "=m" (d), "=m" (s) \
809 : "m" (s), "m" (d), "m" (c), "m" (b) \
810 : "$9", "$10", "$11", "$12", "$13", "$14", "$15" \
811 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]812
813#endif /* MIPS */
814#endif /* GNUC */
815
816#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
817
818#define MULADDC_INIT \
819 __asm mov esi, s \
820 __asm mov edi, d \
821 __asm mov ecx, c \
822 __asm mov ebx, b
823
824#define MULADDC_CORE \
825 __asm lodsd \
826 __asm mul ebx \
827 __asm add eax, ecx \
828 __asm adc edx, 0 \
829 __asm add eax, [edi] \
830 __asm adc edx, 0 \
831 __asm mov ecx, edx \
832 __asm stosd
833
Paul Bakker40e46942009-01-03 21:51:57 +0000[diff] [blame]834#if defined(POLARSSL_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]835
836#define EMIT __asm _emit
837
838#define MULADDC_HUIT \
839 EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
840 EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
841 EMIT 0x0F EMIT 0x6E EMIT 0x1F \
842 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
843 EMIT 0x0F EMIT 0x6E EMIT 0x16 \
844 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
845 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
846 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
847 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
848 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
849 EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
850 EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
851 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
852 EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
853 EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
854 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
855 EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
856 EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
857 EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
858 EMIT 0x0F EMIT 0x7E EMIT 0x0F \
859 EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
860 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
861 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
862 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
863 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
864 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
865 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
866 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
867 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
868 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
869 EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
870 EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
871 EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
872 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
873 EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
874 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
875 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
876 EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
877 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
878 EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
879 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
880 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
881 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
882 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
883 EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
884 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
885 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
886 EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
887 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
888 EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
889 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
890 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
891 EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
892 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
893 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
894 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
895 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
896 EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
897 EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
898 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
899 EMIT 0x0F EMIT 0x7E EMIT 0xC9
900
901#define MULADDC_STOP \
902 EMIT 0x0F EMIT 0x77 \
903 __asm mov c, ecx \
904 __asm mov d, edi \
905 __asm mov s, esi \
906
907#else
908
909#define MULADDC_STOP \
910 __asm mov c, ecx \
911 __asm mov d, edi \
912 __asm mov s, esi \
913
914#endif /* SSE2 */
915#endif /* MSVC */
916
Paul Bakker40e46942009-01-03 21:51:57 +0000[diff] [blame]917#endif /* POLARSSL_HAVE_ASM */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]918
919#if !defined(MULADDC_CORE)
Paul Bakker0fd018e2012-10-23 12:44:47 +0000[diff] [blame]920#if defined(POLARSSL_HAVE_UDBL)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]921
922#define MULADDC_INIT \
923{ \
Paul Bakkera755ca12011-04-24 09:11:17 +0000[diff] [blame]924 t_udbl r; \
925 t_uint r0, r1;
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]926
927#define MULADDC_CORE \
Paul Bakker5c2364c2012-10-01 14:41:15 +0000[diff] [blame]928 r = *(s++) * (t_udbl) b; \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]929 r0 = r; \
930 r1 = r >> biL; \
931 r0 += c; r1 += (r0 < c); \
932 r0 += *d; r1 += (r0 < *d); \
933 c = r1; *(d++) = r0;
934
935#define MULADDC_STOP \
936}
937
938#else
939#define MULADDC_INIT \
940{ \
Paul Bakkera755ca12011-04-24 09:11:17 +0000[diff] [blame]941 t_uint s0, s1, b0, b1; \
942 t_uint r0, r1, rx, ry; \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]943 b0 = ( b << biH ) >> biH; \
944 b1 = ( b >> biH );
945
946#define MULADDC_CORE \
947 s0 = ( *s << biH ) >> biH; \
948 s1 = ( *s >> biH ); s++; \
949 rx = s0 * b1; r0 = s0 * b0; \
950 ry = s1 * b0; r1 = s1 * b1; \
951 r1 += ( rx >> biH ); \
952 r1 += ( ry >> biH ); \
953 rx <<= biH; ry <<= biH; \
954 r0 += rx; r1 += (r0 < rx); \
955 r0 += ry; r1 += (r0 < ry); \
956 r0 += c; r1 += (r0 < c); \
957 r0 += *d; r1 += (r0 < *d); \
958 c = r1; *(d++) = r0;
959
960#define MULADDC_STOP \
961}
962
963#endif /* C (generic) */
964#endif /* C (longlong) */
965
966#endif /* bn_mul.h */