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review.trustedfirmware.org / mirror / mbed-tls / 8b1b103418f5ee5fec87504feac4cbb870a42f0a / . / include / polarssl / bn_mul.h
blob: 1bdfaa56cbd8a391dccd0873e8e57f26fb2198c7 [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
209#define MULADDC_INIT \
210 asm( "movl %0, %%a2 " :: "m" (s)); \
211 asm( "movl %0, %%a3 " :: "m" (d)); \
212 asm( "movl %0, %%d3 " :: "m" (c)); \
213 asm( "movl %0, %%d2 " :: "m" (b)); \
214 asm( "moveq #0, %d0 " );
215
216#define MULADDC_CORE \
217 asm( "movel %a2@+, %d1 " ); \
218 asm( "mulul %d2, %d4:%d1 " ); \
219 asm( "addl %d3, %d1 " ); \
220 asm( "addxl %d0, %d4 " ); \
221 asm( "moveq #0, %d3 " ); \
222 asm( "addl %d1, %a3@+ " ); \
223 asm( "addxl %d4, %d3 " );
224
225#define MULADDC_STOP \
226 asm( "movl %%d3, %0 " : "=m" (c)); \
227 asm( "movl %%a3, %0 " : "=m" (d)); \
228 asm( "movl %%a2, %0 " : "=m" (s) :: \
229 "d0", "d1", "d2", "d3", "d4", "a2", "a3" );
230
231#define MULADDC_HUIT \
232 asm( "movel %a2@+, %d1 " ); \
233 asm( "mulul %d2, %d4:%d1 " ); \
234 asm( "addxl %d3, %d1 " ); \
235 asm( "addxl %d0, %d4 " ); \
236 asm( "addl %d1, %a3@+ " ); \
237 asm( "movel %a2@+, %d1 " ); \
238 asm( "mulul %d2, %d3:%d1 " ); \
239 asm( "addxl %d4, %d1 " ); \
240 asm( "addxl %d0, %d3 " ); \
241 asm( "addl %d1, %a3@+ " ); \
242 asm( "movel %a2@+, %d1 " ); \
243 asm( "mulul %d2, %d4:%d1 " ); \
244 asm( "addxl %d3, %d1 " ); \
245 asm( "addxl %d0, %d4 " ); \
246 asm( "addl %d1, %a3@+ " ); \
247 asm( "movel %a2@+, %d1 " ); \
248 asm( "mulul %d2, %d3:%d1 " ); \
249 asm( "addxl %d4, %d1 " ); \
250 asm( "addxl %d0, %d3 " ); \
251 asm( "addl %d1, %a3@+ " ); \
252 asm( "movel %a2@+, %d1 " ); \
253 asm( "mulul %d2, %d4:%d1 " ); \
254 asm( "addxl %d3, %d1 " ); \
255 asm( "addxl %d0, %d4 " ); \
256 asm( "addl %d1, %a3@+ " ); \
257 asm( "movel %a2@+, %d1 " ); \
258 asm( "mulul %d2, %d3:%d1 " ); \
259 asm( "addxl %d4, %d1 " ); \
260 asm( "addxl %d0, %d3 " ); \
261 asm( "addl %d1, %a3@+ " ); \
262 asm( "movel %a2@+, %d1 " ); \
263 asm( "mulul %d2, %d4:%d1 " ); \
264 asm( "addxl %d3, %d1 " ); \
265 asm( "addxl %d0, %d4 " ); \
266 asm( "addl %d1, %a3@+ " ); \
267 asm( "movel %a2@+, %d1 " ); \
268 asm( "mulul %d2, %d3:%d1 " ); \
269 asm( "addxl %d4, %d1 " ); \
270 asm( "addxl %d0, %d3 " ); \
271 asm( "addl %d1, %a3@+ " ); \
272 asm( "addxl %d0, %d3 " );
273
274#endif /* MC68000 */
275
276#if defined(__powerpc__) || defined(__ppc__)
277#if defined(__powerpc64__) || defined(__ppc64__)
278
279#if defined(__MACH__) && defined(__APPLE__)
280
281#define MULADDC_INIT \
282 asm( "ld r3, %0 " :: "m" (s)); \
283 asm( "ld r4, %0 " :: "m" (d)); \
284 asm( "ld r5, %0 " :: "m" (c)); \
285 asm( "ld r6, %0 " :: "m" (b)); \
286 asm( "addi r3, r3, -8 " ); \
287 asm( "addi r4, r4, -8 " ); \
288 asm( "addic r5, r5, 0 " );
289
290#define MULADDC_CORE \
291 asm( "ldu r7, 8(r3) " ); \
292 asm( "mulld r8, r7, r6 " ); \
293 asm( "mulhdu r9, r7, r6 " ); \
294 asm( "adde r8, r8, r5 " ); \
295 asm( "ld r7, 8(r4) " ); \
296 asm( "addze r5, r9 " ); \
297 asm( "addc r8, r8, r7 " ); \
298 asm( "stdu r8, 8(r4) " );
299
300#define MULADDC_STOP \
301 asm( "addze r5, r5 " ); \
302 asm( "addi r4, r4, 8 " ); \
303 asm( "addi r3, r3, 8 " ); \
304 asm( "std r5, %0 " : "=m" (c)); \
305 asm( "std r4, %0 " : "=m" (d)); \
306 asm( "std r3, %0 " : "=m" (s) :: \
307 "r3", "r4", "r5", "r6", "r7", "r8", "r9" );
308
309#else
310
311#define MULADDC_INIT \
312 asm( "ld %%r3, %0 " :: "m" (s)); \
313 asm( "ld %%r4, %0 " :: "m" (d)); \
314 asm( "ld %%r5, %0 " :: "m" (c)); \
315 asm( "ld %%r6, %0 " :: "m" (b)); \
316 asm( "addi %r3, %r3, -8 " ); \
317 asm( "addi %r4, %r4, -8 " ); \
318 asm( "addic %r5, %r5, 0 " );
319
320#define MULADDC_CORE \
321 asm( "ldu %r7, 8(%r3) " ); \
322 asm( "mulld %r8, %r7, %r6 " ); \
323 asm( "mulhdu %r9, %r7, %r6 " ); \
324 asm( "adde %r8, %r8, %r5 " ); \
325 asm( "ld %r7, 8(%r4) " ); \
326 asm( "addze %r5, %r9 " ); \
327 asm( "addc %r8, %r8, %r7 " ); \
328 asm( "stdu %r8, 8(%r4) " );
329
330#define MULADDC_STOP \
331 asm( "addze %r5, %r5 " ); \
332 asm( "addi %r4, %r4, 8 " ); \
333 asm( "addi %r3, %r3, 8 " ); \
334 asm( "std %%r5, %0 " : "=m" (c)); \
335 asm( "std %%r4, %0 " : "=m" (d)); \
336 asm( "std %%r3, %0 " : "=m" (s) :: \
337 "r3", "r4", "r5", "r6", "r7", "r8", "r9" );
338
339#endif
340
341#else /* PPC32 */
342
343#if defined(__MACH__) && defined(__APPLE__)
344
345#define MULADDC_INIT \
346 asm( "lwz r3, %0 " :: "m" (s)); \
347 asm( "lwz r4, %0 " :: "m" (d)); \
348 asm( "lwz r5, %0 " :: "m" (c)); \
349 asm( "lwz r6, %0 " :: "m" (b)); \
350 asm( "addi r3, r3, -4 " ); \
351 asm( "addi r4, r4, -4 " ); \
352 asm( "addic r5, r5, 0 " );
353
354#define MULADDC_CORE \
355 asm( "lwzu r7, 4(r3) " ); \
356 asm( "mullw r8, r7, r6 " ); \
357 asm( "mulhwu r9, r7, r6 " ); \
358 asm( "adde r8, r8, r5 " ); \
359 asm( "lwz r7, 4(r4) " ); \
360 asm( "addze r5, r9 " ); \
361 asm( "addc r8, r8, r7 " ); \
362 asm( "stwu r8, 4(r4) " );
363
364#define MULADDC_STOP \
365 asm( "addze r5, r5 " ); \
366 asm( "addi r4, r4, 4 " ); \
367 asm( "addi r3, r3, 4 " ); \
368 asm( "stw r5, %0 " : "=m" (c)); \
369 asm( "stw r4, %0 " : "=m" (d)); \
370 asm( "stw r3, %0 " : "=m" (s) :: \
371 "r3", "r4", "r5", "r6", "r7", "r8", "r9" );
372
373#else
374
375#define MULADDC_INIT \
376 asm( "lwz %%r3, %0 " :: "m" (s)); \
377 asm( "lwz %%r4, %0 " :: "m" (d)); \
378 asm( "lwz %%r5, %0 " :: "m" (c)); \
379 asm( "lwz %%r6, %0 " :: "m" (b)); \
380 asm( "addi %r3, %r3, -4 " ); \
381 asm( "addi %r4, %r4, -4 " ); \
382 asm( "addic %r5, %r5, 0 " );
383
384#define MULADDC_CORE \
385 asm( "lwzu %r7, 4(%r3) " ); \
386 asm( "mullw %r8, %r7, %r6 " ); \
387 asm( "mulhwu %r9, %r7, %r6 " ); \
388 asm( "adde %r8, %r8, %r5 " ); \
389 asm( "lwz %r7, 4(%r4) " ); \
390 asm( "addze %r5, %r9 " ); \
391 asm( "addc %r8, %r8, %r7 " ); \
392 asm( "stwu %r8, 4(%r4) " );
393
394#define MULADDC_STOP \
395 asm( "addze %r5, %r5 " ); \
396 asm( "addi %r4, %r4, 4 " ); \
397 asm( "addi %r3, %r3, 4 " ); \
398 asm( "stw %%r5, %0 " : "=m" (c)); \
399 asm( "stw %%r4, %0 " : "=m" (d)); \
400 asm( "stw %%r3, %0 " : "=m" (s) :: \
401 "r3", "r4", "r5", "r6", "r7", "r8", "r9" );
402
403#endif
404
405#endif /* PPC32 */
406#endif /* PPC64 */
407
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]408#if defined(__sparc__) && defined(__sparc64__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]409
410#define MULADDC_INIT \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]411 asm( \
412 " \
413 ldx %3, %%o0; \
414 ldx %4, %%o1; \
415 ld %5, %%o2; \
416 ld %6, %%o3; \
417 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]418
419#define MULADDC_CORE \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]420 " \
421 ld [%%o0], %%o4; \
422 inc 4, %%o0; \
423 ld [%%o1], %%o5; \
424 umul %%o3, %%o4, %%o4; \
425 addcc %%o4, %%o2, %%o4; \
426 rd %%y, %%g1; \
427 addx %%g1, 0, %%g1; \
428 addcc %%o4, %%o5, %%o4; \
429 st %%o4, [%%o1]; \
430 addx %%g1, 0, %%o2; \
431 inc 4, %%o1; \
432 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]433
434#define MULADDC_STOP \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]435 " \
436 st %%o2, %0; \
437 stx %%o1, %1; \
438 stx %%o0, %2; \
439 " \
440 : "=m" (c), "=m" (d), "=m" (s) \
441 : "m" (s), "m" (d), "m" (c), "m" (b) \
442 : "g1", "o0", "o1", "o2", "o3", "o4", \
443 "o5" \
444 );
445#endif /* SPARCv9 */
446
447#if defined(__sparc__) && !defined(__sparc64__)
448
449#define MULADDC_INIT \
450 asm( \
451 " \
452 ld %3, %%o0; \
453 ld %4, %%o1; \
454 ld %5, %%o2; \
455 ld %6, %%o3; \
456 "
457
458#define MULADDC_CORE \
459 " \
460 ld [%%o0], %%o4; \
461 inc 4, %%o0; \
462 ld [%%o1], %%o5; \
463 umul %%o3, %%o4, %%o4; \
464 addcc %%o4, %%o2, %%o4; \
465 rd %%y, %%g1; \
466 addx %%g1, 0, %%g1; \
467 addcc %%o4, %%o5, %%o4; \
468 st %%o4, [%%o1]; \
469 addx %%g1, 0, %%o2; \
470 inc 4, %%o1; \
471 "
472
473#define MULADDC_STOP \
474 " \
475 st %%o2, %0; \
476 st %%o1, %1; \
477 st %%o0, %2; \
478 " \
479 : "=m" (c), "=m" (d), "=m" (s) \
480 : "m" (s), "m" (d), "m" (c), "m" (b) \
481 : "g1", "o0", "o1", "o2", "o3", "o4", \
482 "o5" \
483 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]484
485#endif /* SPARCv8 */
486
487#if defined(__microblaze__) || defined(microblaze)
488
489#define MULADDC_INIT \
490 asm( "lwi r3, %0 " :: "m" (s)); \
491 asm( "lwi r4, %0 " :: "m" (d)); \
492 asm( "lwi r5, %0 " :: "m" (c)); \
493 asm( "lwi r6, %0 " :: "m" (b)); \
494 asm( "andi r7, r6, 0xffff" ); \
495 asm( "bsrli r6, r6, 16 " );
496
497#define MULADDC_CORE \
498 asm( "lhui r8, r3, 0 " ); \
499 asm( "addi r3, r3, 2 " ); \
500 asm( "lhui r9, r3, 0 " ); \
501 asm( "addi r3, r3, 2 " ); \
502 asm( "mul r10, r9, r6 " ); \
503 asm( "mul r11, r8, r7 " ); \
504 asm( "mul r12, r9, r7 " ); \
505 asm( "mul r13, r8, r6 " ); \
506 asm( "bsrli r8, r10, 16 " ); \
507 asm( "bsrli r9, r11, 16 " ); \
508 asm( "add r13, r13, r8 " ); \
509 asm( "add r13, r13, r9 " ); \
510 asm( "bslli r10, r10, 16 " ); \
511 asm( "bslli r11, r11, 16 " ); \
512 asm( "add r12, r12, r10 " ); \
513 asm( "addc r13, r13, r0 " ); \
514 asm( "add r12, r12, r11 " ); \
515 asm( "addc r13, r13, r0 " ); \
516 asm( "lwi r10, r4, 0 " ); \
517 asm( "add r12, r12, r10 " ); \
518 asm( "addc r13, r13, r0 " ); \
519 asm( "add r12, r12, r5 " ); \
520 asm( "addc r5, r13, r0 " ); \
521 asm( "swi r12, r4, 0 " ); \
522 asm( "addi r4, r4, 4 " );
523
524#define MULADDC_STOP \
525 asm( "swi r5, %0 " : "=m" (c)); \
526 asm( "swi r4, %0 " : "=m" (d)); \
527 asm( "swi r3, %0 " : "=m" (s) :: \
528 "r3", "r4" , "r5" , "r6" , "r7" , "r8" , \
529 "r9", "r10", "r11", "r12", "r13" );
530
531#endif /* MicroBlaze */
532
533#if defined(__tricore__)
534
535#define MULADDC_INIT \
536 asm( "ld.a %%a2, %0 " :: "m" (s)); \
537 asm( "ld.a %%a3, %0 " :: "m" (d)); \
538 asm( "ld.w %%d4, %0 " :: "m" (c)); \
539 asm( "ld.w %%d1, %0 " :: "m" (b)); \
540 asm( "xor %d5, %d5 " );
541
542#define MULADDC_CORE \
543 asm( "ld.w %d0, [%a2+] " ); \
544 asm( "madd.u %e2, %e4, %d0, %d1 " ); \
545 asm( "ld.w %d0, [%a3] " ); \
546 asm( "addx %d2, %d2, %d0 " ); \
547 asm( "addc %d3, %d3, 0 " ); \
548 asm( "mov %d4, %d3 " ); \
549 asm( "st.w [%a3+], %d2 " );
550
551#define MULADDC_STOP \
552 asm( "st.w %0, %%d4 " : "=m" (c)); \
553 asm( "st.a %0, %%a3 " : "=m" (d)); \
554 asm( "st.a %0, %%a2 " : "=m" (s) :: \
555 "d0", "d1", "e2", "d4", "a2", "a3" );
556
557#endif /* TriCore */
558
559#if defined(__arm__)
560
Paul Bakkerfc4f46f2013-06-24 19:23:56 +0200[diff] [blame]561#if defined(__thumb__) && !defined(__thumb2__)
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]562
563#define MULADDC_INIT \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]564 asm( \
565 " \
566 ldr r0, %3; \
567 ldr r1, %4; \
568 ldr r2, %5; \
569 ldr r3, %6; \
570 lsr r7, r3, #16; \
571 mov r9, r7; \
572 lsl r7, r3, #16; \
573 lsr r7, r7, #16; \
574 mov r8, r7; \
575 "
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]576
577#define MULADDC_CORE \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]578 " \
579 ldmia r0!, {r6}; \
580 lsr r7, r6, #16; \
581 lsl r6, r6, #16; \
582 lsr r6, r6, #16; \
583 mov r4, r8; \
584 mul r4, r6; \
585 mov r3, r9; \
586 mul r6, r3; \
587 mov r5, r9; \
588 mul r5, r7; \
589 mov r3, r8; \
590 mul r7, r3; \
591 lsr r3, r6, #16; \
592 add r5, r5, r3; \
593 lsr r3, r7, #16; \
594 add r5, r5, r3; \
595 add r4, r4, r2; \
596 mov r2, #0; \
597 adc r5, r2; \
598 lsl r3, r6, #16; \
599 add r4, r4, r3; \
600 adc r5, r2; \
601 lsl r3, r7, #16; \
602 add r4, r4, r3; \
603 adc r5, r2; \
604 ldr r3, [r1]; \
605 add r4, r4, r3; \
606 adc r2, r5; \
607 stmia r1!, {r4}; \
608 "
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]609
610#define MULADDC_STOP \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]611 " \
612 str r2, %0; \
613 str r1, %1; \
614 str r0, %2; \
615 " \
616 : "=m" (c), "=m" (d), "=m" (s) \
617 : "m" (s), "m" (d), "m" (c), "m" (b) \
618 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]619 "r6", "r7", "r8", "r9", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]620 );
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]621
622#else
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]623
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]624#define MULADDC_INIT \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]625 asm( \
626 " \
627 ldr r0, %3; \
628 ldr r1, %4; \
629 ldr r2, %5; \
630 ldr r3, %6; \
631 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]632
633#define MULADDC_CORE \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]634 " \
635 ldr r4, [r0], #4; \
636 mov r5, #0; \
637 ldr r6, [r1]; \
638 umlal r2, r5, r3, r4; \
639 adds r7, r6, r2; \
640 adc r2, r5, #0; \
641 str r7, [r1], #4; \
642 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]643
644#define MULADDC_STOP \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]645 " \
646 str r2, %0; \
647 str r1, %1; \
648 str r0, %2; \
649 " \
650 : "=m" (c), "=m" (d), "=m" (s) \
651 : "m" (s), "m" (d), "m" (c), "m" (b) \
652 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]653 "r6", "r7", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]654 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]655
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]656#endif /* Thumb */
657
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]658#endif /* ARMv3 */
659
660#if defined(__alpha__)
661
662#define MULADDC_INIT \
663 asm( "ldq $1, %0 " :: "m" (s)); \
664 asm( "ldq $2, %0 " :: "m" (d)); \
665 asm( "ldq $3, %0 " :: "m" (c)); \
666 asm( "ldq $4, %0 " :: "m" (b));
667
668#define MULADDC_CORE \
669 asm( "ldq $6, 0($1) " ); \
670 asm( "addq $1, 8, $1 " ); \
671 asm( "mulq $6, $4, $7 " ); \
672 asm( "umulh $6, $4, $6 " ); \
673 asm( "addq $7, $3, $7 " ); \
674 asm( "cmpult $7, $3, $3 " ); \
675 asm( "ldq $5, 0($2) " ); \
676 asm( "addq $7, $5, $7 " ); \
677 asm( "cmpult $7, $5, $5 " ); \
678 asm( "stq $7, 0($2) " ); \
679 asm( "addq $2, 8, $2 " ); \
680 asm( "addq $6, $3, $3 " ); \
681 asm( "addq $5, $3, $3 " );
682
683#define MULADDC_STOP \
684 asm( "stq $3, %0 " : "=m" (c)); \
685 asm( "stq $2, %0 " : "=m" (d)); \
686 asm( "stq $1, %0 " : "=m" (s) :: \
687 "$1", "$2", "$3", "$4", "$5", "$6", "$7" );
688
689#endif /* Alpha */
690
691#if defined(__mips__)
692
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame^]693#define MULADDC_INIT \
694 asm( \
695 " \
696 lw $10, %3; \
697 lw $11, %4; \
698 lw $12, %5; \
699 lw $13, %6; \
700 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]701
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame^]702#define MULADDC_CORE \
703 " \
704 lw $14, 0($10); \
705 multu $13, $14; \
706 addi $10, $10, 4; \
707 mflo $14; \
708 mfhi $9; \
709 addu $14, $12, $14; \
710 lw $15, 0($11); \
711 sltu $12, $14, $12; \
712 addu $15, $14, $15; \
713 sltu $14, $15, $14; \
714 addu $12, $12, $9; \
715 sw $15, 0($11); \
716 addu $12, $12, $14; \
717 addi $11, $11, 4; \
718 "
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]719
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame^]720#define MULADDC_STOP \
721 " \
722 sw $12, %0; \
723 sw $11, %1; \
724 sw $10, %2; \
725 " \
726 : "=m" (c), "=m" (d), "=m" (s) \
727 : "m" (s), "m" (d), "m" (c), "m" (b) \
728 : "$9", "$10", "$11", "$12", "$13", "$14", "$15" \
729 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]730
731#endif /* MIPS */
732#endif /* GNUC */
733
734#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
735
736#define MULADDC_INIT \
737 __asm mov esi, s \
738 __asm mov edi, d \
739 __asm mov ecx, c \
740 __asm mov ebx, b
741
742#define MULADDC_CORE \
743 __asm lodsd \
744 __asm mul ebx \
745 __asm add eax, ecx \
746 __asm adc edx, 0 \
747 __asm add eax, [edi] \
748 __asm adc edx, 0 \
749 __asm mov ecx, edx \
750 __asm stosd
751
Paul Bakker40e46942009-01-03 21:51:57 +0000[diff] [blame]752#if defined(POLARSSL_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]753
754#define EMIT __asm _emit
755
756#define MULADDC_HUIT \
757 EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
758 EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
759 EMIT 0x0F EMIT 0x6E EMIT 0x1F \
760 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
761 EMIT 0x0F EMIT 0x6E EMIT 0x16 \
762 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
763 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
764 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
765 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
766 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
767 EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
768 EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
769 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
770 EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
771 EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
772 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
773 EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
774 EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
775 EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
776 EMIT 0x0F EMIT 0x7E EMIT 0x0F \
777 EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
778 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
779 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
780 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
781 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
782 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
783 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
784 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
785 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
786 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
787 EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
788 EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
789 EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
790 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
791 EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
792 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
793 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
794 EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
795 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
796 EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
797 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
798 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
799 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
800 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
801 EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
802 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
803 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
804 EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
805 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
806 EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
807 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
808 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
809 EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
810 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
811 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
812 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
813 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
814 EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
815 EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
816 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
817 EMIT 0x0F EMIT 0x7E EMIT 0xC9
818
819#define MULADDC_STOP \
820 EMIT 0x0F EMIT 0x77 \
821 __asm mov c, ecx \
822 __asm mov d, edi \
823 __asm mov s, esi \
824
825#else
826
827#define MULADDC_STOP \
828 __asm mov c, ecx \
829 __asm mov d, edi \
830 __asm mov s, esi \
831
832#endif /* SSE2 */
833#endif /* MSVC */
834
Paul Bakker40e46942009-01-03 21:51:57 +0000[diff] [blame]835#endif /* POLARSSL_HAVE_ASM */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]836
837#if !defined(MULADDC_CORE)
Paul Bakker0fd018e2012-10-23 12:44:47 +0000[diff] [blame]838#if defined(POLARSSL_HAVE_UDBL)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]839
840#define MULADDC_INIT \
841{ \
Paul Bakkera755ca12011-04-24 09:11:17 +0000[diff] [blame]842 t_udbl r; \
843 t_uint r0, r1;
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]844
845#define MULADDC_CORE \
Paul Bakker5c2364c2012-10-01 14:41:15 +0000[diff] [blame]846 r = *(s++) * (t_udbl) b; \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]847 r0 = r; \
848 r1 = r >> biL; \
849 r0 += c; r1 += (r0 < c); \
850 r0 += *d; r1 += (r0 < *d); \
851 c = r1; *(d++) = r0;
852
853#define MULADDC_STOP \
854}
855
856#else
857#define MULADDC_INIT \
858{ \
Paul Bakkera755ca12011-04-24 09:11:17 +0000[diff] [blame]859 t_uint s0, s1, b0, b1; \
860 t_uint r0, r1, rx, ry; \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]861 b0 = ( b << biH ) >> biH; \
862 b1 = ( b >> biH );
863
864#define MULADDC_CORE \
865 s0 = ( *s << biH ) >> biH; \
866 s1 = ( *s >> biH ); s++; \
867 rx = s0 * b1; r0 = s0 * b0; \
868 ry = s1 * b0; r1 = s1 * b1; \
869 r1 += ( rx >> biH ); \
870 r1 += ( ry >> biH ); \
871 rx <<= biH; ry <<= biH; \
872 r0 += rx; r1 += (r0 < rx); \
873 r0 += ry; r1 += (r0 < ry); \
874 r0 += c; r1 += (r0 < c); \
875 r0 += *d; r1 += (r0 < *d); \
876 c = r1; *(d++) = r0;
877
878#define MULADDC_STOP \
879}
880
881#endif /* C (generic) */
882#endif /* C (longlong) */
883
884#endif /* bn_mul.h */