blob: aa940a99dd60da3c96eec6c96b876e4ce0051707 [file] [log] [blame]
Paul Bakker5121ce52009-01-03 21:22:43 +00001/**
2 * \file bn_mul.h
Paul Bakkere0ccd0a2009-01-04 16:27:10 +00003 *
Paul Bakker37ca75d2011-01-06 12:28:03 +00004 * \brief Multi-precision integer library
5 *
Manuel Pégourié-Gonnarda658a402015-01-23 09:45:19 +00006 * Copyright (C) 2006-2010, ARM Limited, All Rights Reserved
Paul Bakkerb96f1542010-07-18 20:36:00 +00007 *
Manuel Pégourié-Gonnardfe446432015-03-06 13:17:10 +00008 * This file is part of mbed TLS (https://tls.mbed.org)
Paul Bakkerb96f1542010-07-18 20:36:00 +00009 *
Paul Bakkere0ccd0a2009-01-04 16:27:10 +000010 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, write to the Free Software Foundation, Inc.,
22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Paul Bakker5121ce52009-01-03 21:22:43 +000023 */
24/*
25 * Multiply source vector [s] with b, add result
26 * to destination vector [d] and set carry c.
27 *
28 * Currently supports:
29 *
30 * . IA-32 (386+) . AMD64 / EM64T
31 * . IA-32 (SSE2) . Motorola 68000
32 * . PowerPC, 32-bit . MicroBlaze
33 * . PowerPC, 64-bit . TriCore
34 * . SPARC v8 . ARM v3+
35 * . Alpha . MIPS32
36 * . C, longlong . C, generic
37 */
Paul Bakker40e46942009-01-03 21:51:57 +000038#ifndef POLARSSL_BN_MUL_H
39#define POLARSSL_BN_MUL_H
Paul Bakker5121ce52009-01-03 21:22:43 +000040
Paul Bakker66219872012-01-22 20:38:13 +000041#include "bignum.h"
Paul Bakker5121ce52009-01-03 21:22:43 +000042
Paul Bakker40e46942009-01-03 21:51:57 +000043#if defined(POLARSSL_HAVE_ASM)
Paul Bakker5121ce52009-01-03 21:22:43 +000044
45#if defined(__GNUC__)
46#if defined(__i386__)
47
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +020048#define MULADDC_INIT \
49 asm( \
50 "movl %%ebx, %0 \n\t" \
51 "movl %5, %%esi \n\t" \
52 "movl %6, %%edi \n\t" \
53 "movl %7, %%ecx \n\t" \
54 "movl %8, %%ebx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +000055
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +020056#define MULADDC_CORE \
57 "lodsl \n\t" \
58 "mull %%ebx \n\t" \
59 "addl %%ecx, %%eax \n\t" \
60 "adcl $0, %%edx \n\t" \
61 "addl (%%edi), %%eax \n\t" \
62 "adcl $0, %%edx \n\t" \
63 "movl %%edx, %%ecx \n\t" \
64 "stosl \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +000065
Paul Bakker40e46942009-01-03 21:51:57 +000066#if defined(POLARSSL_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +000067
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +020068#define MULADDC_HUIT \
69 "movd %%ecx, %%mm1 \n\t" \
70 "movd %%ebx, %%mm0 \n\t" \
71 "movd (%%edi), %%mm3 \n\t" \
72 "paddq %%mm3, %%mm1 \n\t" \
73 "movd (%%esi), %%mm2 \n\t" \
74 "pmuludq %%mm0, %%mm2 \n\t" \
75 "movd 4(%%esi), %%mm4 \n\t" \
76 "pmuludq %%mm0, %%mm4 \n\t" \
77 "movd 8(%%esi), %%mm6 \n\t" \
78 "pmuludq %%mm0, %%mm6 \n\t" \
79 "movd 12(%%esi), %%mm7 \n\t" \
80 "pmuludq %%mm0, %%mm7 \n\t" \
81 "paddq %%mm2, %%mm1 \n\t" \
82 "movd 4(%%edi), %%mm3 \n\t" \
83 "paddq %%mm4, %%mm3 \n\t" \
84 "movd 8(%%edi), %%mm5 \n\t" \
85 "paddq %%mm6, %%mm5 \n\t" \
86 "movd 12(%%edi), %%mm4 \n\t" \
87 "paddq %%mm4, %%mm7 \n\t" \
88 "movd %%mm1, (%%edi) \n\t" \
89 "movd 16(%%esi), %%mm2 \n\t" \
90 "pmuludq %%mm0, %%mm2 \n\t" \
91 "psrlq $32, %%mm1 \n\t" \
92 "movd 20(%%esi), %%mm4 \n\t" \
93 "pmuludq %%mm0, %%mm4 \n\t" \
94 "paddq %%mm3, %%mm1 \n\t" \
95 "movd 24(%%esi), %%mm6 \n\t" \
96 "pmuludq %%mm0, %%mm6 \n\t" \
97 "movd %%mm1, 4(%%edi) \n\t" \
98 "psrlq $32, %%mm1 \n\t" \
99 "movd 28(%%esi), %%mm3 \n\t" \
100 "pmuludq %%mm0, %%mm3 \n\t" \
101 "paddq %%mm5, %%mm1 \n\t" \
102 "movd 16(%%edi), %%mm5 \n\t" \
103 "paddq %%mm5, %%mm2 \n\t" \
104 "movd %%mm1, 8(%%edi) \n\t" \
105 "psrlq $32, %%mm1 \n\t" \
106 "paddq %%mm7, %%mm1 \n\t" \
107 "movd 20(%%edi), %%mm5 \n\t" \
108 "paddq %%mm5, %%mm4 \n\t" \
109 "movd %%mm1, 12(%%edi) \n\t" \
110 "psrlq $32, %%mm1 \n\t" \
111 "paddq %%mm2, %%mm1 \n\t" \
112 "movd 24(%%edi), %%mm5 \n\t" \
113 "paddq %%mm5, %%mm6 \n\t" \
114 "movd %%mm1, 16(%%edi) \n\t" \
115 "psrlq $32, %%mm1 \n\t" \
116 "paddq %%mm4, %%mm1 \n\t" \
117 "movd 28(%%edi), %%mm5 \n\t" \
118 "paddq %%mm5, %%mm3 \n\t" \
119 "movd %%mm1, 20(%%edi) \n\t" \
120 "psrlq $32, %%mm1 \n\t" \
121 "paddq %%mm6, %%mm1 \n\t" \
122 "movd %%mm1, 24(%%edi) \n\t" \
123 "psrlq $32, %%mm1 \n\t" \
124 "paddq %%mm3, %%mm1 \n\t" \
125 "movd %%mm1, 28(%%edi) \n\t" \
126 "addl $32, %%edi \n\t" \
127 "addl $32, %%esi \n\t" \
128 "psrlq $32, %%mm1 \n\t" \
129 "movd %%mm1, %%ecx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000130
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200131#define MULADDC_STOP \
132 "emms \n\t" \
133 "movl %4, %%ebx \n\t" \
134 "movl %%ecx, %1 \n\t" \
135 "movl %%edi, %2 \n\t" \
136 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000137 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
138 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
139 : "eax", "ecx", "edx", "esi", "edi" \
140 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000141
142#else
143
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200144#define MULADDC_STOP \
145 "movl %4, %%ebx \n\t" \
146 "movl %%ecx, %1 \n\t" \
147 "movl %%edi, %2 \n\t" \
148 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000149 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
150 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
151 : "eax", "ecx", "edx", "esi", "edi" \
152 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000153#endif /* SSE2 */
154#endif /* i386 */
155
156#if defined(__amd64__) || defined (__x86_64__)
157
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200158#define MULADDC_INIT \
159 asm( \
160 "movq %3, %%rsi \n\t" \
161 "movq %4, %%rdi \n\t" \
162 "movq %5, %%rcx \n\t" \
163 "movq %6, %%rbx \n\t" \
164 "xorq %%r8, %%r8 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000165
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200166#define MULADDC_CORE \
167 "movq (%%rsi), %%rax \n\t" \
168 "mulq %%rbx \n\t" \
169 "addq $8, %%rsi \n\t" \
170 "addq %%rcx, %%rax \n\t" \
171 "movq %%r8, %%rcx \n\t" \
172 "adcq $0, %%rdx \n\t" \
173 "nop \n\t" \
174 "addq %%rax, (%%rdi) \n\t" \
175 "adcq %%rdx, %%rcx \n\t" \
176 "addq $8, %%rdi \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000177
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200178#define MULADDC_STOP \
179 "movq %%rcx, %0 \n\t" \
180 "movq %%rdi, %1 \n\t" \
181 "movq %%rsi, %2 \n\t" \
Manuel Pégourié-Gonnarddef018d2014-01-07 17:50:46 +0100182 : "=m" (c), "=m" (d), "=m" (s) \
183 : "m" (s), "m" (d), "m" (c), "m" (b) \
184 : "rax", "rcx", "rdx", "rbx", "rsi", "rdi", "r8" \
185 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000186
187#endif /* AMD64 */
188
189#if defined(__mc68020__) || defined(__mcpu32__)
190
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200191#define MULADDC_INIT \
192 asm( \
193 "movl %3, %%a2 \n\t" \
194 "movl %4, %%a3 \n\t" \
195 "movl %5, %%d3 \n\t" \
196 "movl %6, %%d2 \n\t" \
197 "moveq #0, %%d0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000198
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200199#define MULADDC_CORE \
200 "movel %%a2@+, %%d1 \n\t" \
201 "mulul %%d2, %%d4:%%d1 \n\t" \
202 "addl %%d3, %%d1 \n\t" \
203 "addxl %%d0, %%d4 \n\t" \
204 "moveq #0, %%d3 \n\t" \
205 "addl %%d1, %%a3@+ \n\t" \
206 "addxl %%d4, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000207
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200208#define MULADDC_STOP \
209 "movl %%d3, %0 \n\t" \
210 "movl %%a3, %1 \n\t" \
211 "movl %%a2, %2 \n\t" \
Manuel Pégourié-Gonnard3b05e4c2014-01-10 15:30:23 +0100212 : "=m" (c), "=m" (d), "=m" (s) \
213 : "m" (s), "m" (d), "m" (c), "m" (b) \
214 : "d0", "d1", "d2", "d3", "d4", "a2", "a3" \
215 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000216
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200217#define MULADDC_HUIT \
218 "movel %%a2@+, %%d1 \n\t" \
219 "mulul %%d2, %%d4:%%d1 \n\t" \
220 "addxl %%d3, %%d1 \n\t" \
221 "addxl %%d0, %%d4 \n\t" \
222 "addl %%d1, %%a3@+ \n\t" \
223 "movel %%a2@+, %%d1 \n\t" \
224 "mulul %%d2, %%d3:%%d1 \n\t" \
225 "addxl %%d4, %%d1 \n\t" \
226 "addxl %%d0, %%d3 \n\t" \
227 "addl %%d1, %%a3@+ \n\t" \
228 "movel %%a2@+, %%d1 \n\t" \
229 "mulul %%d2, %%d4:%%d1 \n\t" \
230 "addxl %%d3, %%d1 \n\t" \
231 "addxl %%d0, %%d4 \n\t" \
232 "addl %%d1, %%a3@+ \n\t" \
233 "movel %%a2@+, %%d1 \n\t" \
234 "mulul %%d2, %%d3:%%d1 \n\t" \
235 "addxl %%d4, %%d1 \n\t" \
236 "addxl %%d0, %%d3 \n\t" \
237 "addl %%d1, %%a3@+ \n\t" \
238 "movel %%a2@+, %%d1 \n\t" \
239 "mulul %%d2, %%d4:%%d1 \n\t" \
240 "addxl %%d3, %%d1 \n\t" \
241 "addxl %%d0, %%d4 \n\t" \
242 "addl %%d1, %%a3@+ \n\t" \
243 "movel %%a2@+, %%d1 \n\t" \
244 "mulul %%d2, %%d3:%%d1 \n\t" \
245 "addxl %%d4, %%d1 \n\t" \
246 "addxl %%d0, %%d3 \n\t" \
247 "addl %%d1, %%a3@+ \n\t" \
248 "movel %%a2@+, %%d1 \n\t" \
249 "mulul %%d2, %%d4:%%d1 \n\t" \
250 "addxl %%d3, %%d1 \n\t" \
251 "addxl %%d0, %%d4 \n\t" \
252 "addl %%d1, %%a3@+ \n\t" \
253 "movel %%a2@+, %%d1 \n\t" \
254 "mulul %%d2, %%d3:%%d1 \n\t" \
255 "addxl %%d4, %%d1 \n\t" \
256 "addxl %%d0, %%d3 \n\t" \
257 "addl %%d1, %%a3@+ \n\t" \
258 "addxl %%d0, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000259
260#endif /* MC68000 */
261
Paul Bakker5121ce52009-01-03 21:22:43 +0000262#if defined(__powerpc64__) || defined(__ppc64__)
263
264#if defined(__MACH__) && defined(__APPLE__)
265
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200266#define MULADDC_INIT \
267 asm( \
268 "ld r3, %3 \n\t" \
269 "ld r4, %4 \n\t" \
270 "ld r5, %5 \n\t" \
271 "ld r6, %6 \n\t" \
272 "addi r3, r3, -8 \n\t" \
273 "addi r4, r4, -8 \n\t" \
274 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000275
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200276#define MULADDC_CORE \
277 "ldu r7, 8(r3) \n\t" \
278 "mulld r8, r7, r6 \n\t" \
279 "mulhdu r9, r7, r6 \n\t" \
280 "adde r8, r8, r5 \n\t" \
281 "ld r7, 8(r4) \n\t" \
282 "addze r5, r9 \n\t" \
283 "addc r8, r8, r7 \n\t" \
284 "stdu r8, 8(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000285
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200286#define MULADDC_STOP \
287 "addze r5, r5 \n\t" \
288 "addi r4, r4, 8 \n\t" \
289 "addi r3, r3, 8 \n\t" \
290 "std r5, %0 \n\t" \
291 "std r4, %1 \n\t" \
292 "std r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100293 : "=m" (c), "=m" (d), "=m" (s) \
294 : "m" (s), "m" (d), "m" (c), "m" (b) \
295 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
296 );
297
Paul Bakker5121ce52009-01-03 21:22:43 +0000298
Paul Bakker9af723c2014-05-01 13:03:14 +0200299#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000300
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200301#define MULADDC_INIT \
302 asm( \
303 "ld %%r3, %3 \n\t" \
304 "ld %%r4, %4 \n\t" \
305 "ld %%r5, %5 \n\t" \
306 "ld %%r6, %6 \n\t" \
307 "addi %%r3, %%r3, -8 \n\t" \
308 "addi %%r4, %%r4, -8 \n\t" \
309 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000310
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200311#define MULADDC_CORE \
312 "ldu %%r7, 8(%%r3) \n\t" \
313 "mulld %%r8, %%r7, %%r6 \n\t" \
314 "mulhdu %%r9, %%r7, %%r6 \n\t" \
315 "adde %%r8, %%r8, %%r5 \n\t" \
316 "ld %%r7, 8(%%r4) \n\t" \
317 "addze %%r5, %%r9 \n\t" \
318 "addc %%r8, %%r8, %%r7 \n\t" \
319 "stdu %%r8, 8(%%r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000320
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200321#define MULADDC_STOP \
322 "addze %%r5, %%r5 \n\t" \
323 "addi %%r4, %%r4, 8 \n\t" \
324 "addi %%r3, %%r3, 8 \n\t" \
325 "std %%r5, %0 \n\t" \
326 "std %%r4, %1 \n\t" \
327 "std %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100328 : "=m" (c), "=m" (d), "=m" (s) \
329 : "m" (s), "m" (d), "m" (c), "m" (b) \
330 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
331 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000332
Paul Bakker9af723c2014-05-01 13:03:14 +0200333#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000334
Barry K. Nathan35e7cb92014-05-05 23:26:13 -0700335#elif defined(__powerpc__) || defined(__ppc__) /* end PPC64/begin PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000336
337#if defined(__MACH__) && defined(__APPLE__)
338
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200339#define MULADDC_INIT \
340 asm( \
341 "lwz r3, %3 \n\t" \
342 "lwz r4, %4 \n\t" \
343 "lwz r5, %5 \n\t" \
344 "lwz r6, %6 \n\t" \
345 "addi r3, r3, -4 \n\t" \
346 "addi r4, r4, -4 \n\t" \
347 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000348
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200349#define MULADDC_CORE \
350 "lwzu r7, 4(r3) \n\t" \
351 "mullw r8, r7, r6 \n\t" \
352 "mulhwu r9, r7, r6 \n\t" \
353 "adde r8, r8, r5 \n\t" \
354 "lwz r7, 4(r4) \n\t" \
355 "addze r5, r9 \n\t" \
356 "addc r8, r8, r7 \n\t" \
357 "stwu r8, 4(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000358
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200359#define MULADDC_STOP \
360 "addze r5, r5 \n\t" \
361 "addi r4, r4, 4 \n\t" \
362 "addi r3, r3, 4 \n\t" \
363 "stw r5, %0 \n\t" \
364 "stw r4, %1 \n\t" \
365 "stw r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100366 : "=m" (c), "=m" (d), "=m" (s) \
367 : "m" (s), "m" (d), "m" (c), "m" (b) \
368 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
369 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000370
Paul Bakker9af723c2014-05-01 13:03:14 +0200371#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000372
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200373#define MULADDC_INIT \
374 asm( \
375 "lwz %%r3, %3 \n\t" \
376 "lwz %%r4, %4 \n\t" \
377 "lwz %%r5, %5 \n\t" \
378 "lwz %%r6, %6 \n\t" \
379 "addi %%r3, %%r3, -4 \n\t" \
380 "addi %%r4, %%r4, -4 \n\t" \
381 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000382
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200383#define MULADDC_CORE \
384 "lwzu %%r7, 4(%%r3) \n\t" \
385 "mullw %%r8, %%r7, %%r6 \n\t" \
386 "mulhwu %%r9, %%r7, %%r6 \n\t" \
387 "adde %%r8, %%r8, %%r5 \n\t" \
388 "lwz %%r7, 4(%%r4) \n\t" \
389 "addze %%r5, %%r9 \n\t" \
390 "addc %%r8, %%r8, %%r7 \n\t" \
391 "stwu %%r8, 4(%%r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000392
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200393#define MULADDC_STOP \
394 "addze %%r5, %%r5 \n\t" \
395 "addi %%r4, %%r4, 4 \n\t" \
396 "addi %%r3, %%r3, 4 \n\t" \
397 "stw %%r5, %0 \n\t" \
398 "stw %%r4, %1 \n\t" \
399 "stw %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100400 : "=m" (c), "=m" (d), "=m" (s) \
401 : "m" (s), "m" (d), "m" (c), "m" (b) \
402 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
403 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000404
Paul Bakker9af723c2014-05-01 13:03:14 +0200405#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000406
407#endif /* PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000408
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200409/*
410 * The Sparc64 assembly is reported to be broken.
411 * Disable it for now, until we're able to fix it.
412 */
413#if 0 && defined(__sparc__) && defined(__sparc64__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000414
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200415#define MULADDC_INIT \
416 asm( \
417 "ldx %3, %%o0 \n\t" \
418 "ldx %4, %%o1 \n\t" \
419 "ld %5, %%o2 \n\t" \
420 "ld %6, %%o3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000421
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200422#define MULADDC_CORE \
423 "ld [%%o0], %%o4 \n\t" \
424 "inc 4, %%o0 \n\t" \
425 "ld [%%o1], %%o5 \n\t" \
426 "umul %%o3, %%o4, %%o4 \n\t" \
427 "addcc %%o4, %%o2, %%o4 \n\t" \
428 "rd %%y, %%g1 \n\t" \
429 "addx %%g1, 0, %%g1 \n\t" \
430 "addcc %%o4, %%o5, %%o4 \n\t" \
431 "st %%o4, [%%o1] \n\t" \
432 "addx %%g1, 0, %%o2 \n\t" \
433 "inc 4, %%o1 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000434
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200435 #define MULADDC_STOP \
436 "st %%o2, %0 \n\t" \
437 "stx %%o1, %1 \n\t" \
438 "stx %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000439 : "=m" (c), "=m" (d), "=m" (s) \
440 : "m" (s), "m" (d), "m" (c), "m" (b) \
441 : "g1", "o0", "o1", "o2", "o3", "o4", \
442 "o5" \
443 );
444#endif /* SPARCv9 */
445
446#if defined(__sparc__) && !defined(__sparc64__)
447
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200448#define MULADDC_INIT \
449 asm( \
450 "ld %3, %%o0 \n\t" \
451 "ld %4, %%o1 \n\t" \
452 "ld %5, %%o2 \n\t" \
453 "ld %6, %%o3 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000454
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200455#define MULADDC_CORE \
456 "ld [%%o0], %%o4 \n\t" \
457 "inc 4, %%o0 \n\t" \
458 "ld [%%o1], %%o5 \n\t" \
459 "umul %%o3, %%o4, %%o4 \n\t" \
460 "addcc %%o4, %%o2, %%o4 \n\t" \
461 "rd %%y, %%g1 \n\t" \
462 "addx %%g1, 0, %%g1 \n\t" \
463 "addcc %%o4, %%o5, %%o4 \n\t" \
464 "st %%o4, [%%o1] \n\t" \
465 "addx %%g1, 0, %%o2 \n\t" \
466 "inc 4, %%o1 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000467
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200468#define MULADDC_STOP \
469 "st %%o2, %0 \n\t" \
470 "st %%o1, %1 \n\t" \
471 "st %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000472 : "=m" (c), "=m" (d), "=m" (s) \
473 : "m" (s), "m" (d), "m" (c), "m" (b) \
474 : "g1", "o0", "o1", "o2", "o3", "o4", \
475 "o5" \
476 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000477
478#endif /* SPARCv8 */
479
480#if defined(__microblaze__) || defined(microblaze)
481
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200482#define MULADDC_INIT \
483 asm( \
484 "lwi r3, %3 \n\t" \
485 "lwi r4, %4 \n\t" \
486 "lwi r5, %5 \n\t" \
487 "lwi r6, %6 \n\t" \
488 "andi r7, r6, 0xffff \n\t" \
489 "bsrli r6, r6, 16 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000490
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200491#define MULADDC_CORE \
492 "lhui r8, r3, 0 \n\t" \
493 "addi r3, r3, 2 \n\t" \
494 "lhui r9, r3, 0 \n\t" \
495 "addi r3, r3, 2 \n\t" \
496 "mul r10, r9, r6 \n\t" \
497 "mul r11, r8, r7 \n\t" \
498 "mul r12, r9, r7 \n\t" \
499 "mul r13, r8, r6 \n\t" \
500 "bsrli r8, r10, 16 \n\t" \
501 "bsrli r9, r11, 16 \n\t" \
502 "add r13, r13, r8 \n\t" \
503 "add r13, r13, r9 \n\t" \
504 "bslli r10, r10, 16 \n\t" \
505 "bslli r11, r11, 16 \n\t" \
506 "add r12, r12, r10 \n\t" \
507 "addc r13, r13, r0 \n\t" \
508 "add r12, r12, r11 \n\t" \
509 "addc r13, r13, r0 \n\t" \
510 "lwi r10, r4, 0 \n\t" \
511 "add r12, r12, r10 \n\t" \
512 "addc r13, r13, r0 \n\t" \
513 "add r12, r12, r5 \n\t" \
514 "addc r5, r13, r0 \n\t" \
515 "swi r12, r4, 0 \n\t" \
516 "addi r4, r4, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000517
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200518#define MULADDC_STOP \
519 "swi r5, %0 \n\t" \
520 "swi r4, %1 \n\t" \
521 "swi r3, %2 \n\t" \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100522 : "=m" (c), "=m" (d), "=m" (s) \
523 : "m" (s), "m" (d), "m" (c), "m" (b) \
524 : "r3", "r4" "r5", "r6", "r7", "r8", \
525 "r9", "r10", "r11", "r12", "r13" \
526 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000527
528#endif /* MicroBlaze */
529
530#if defined(__tricore__)
531
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200532#define MULADDC_INIT \
533 asm( \
534 "ld.a %%a2, %3 \n\t" \
535 "ld.a %%a3, %4 \n\t" \
536 "ld.w %%d4, %5 \n\t" \
537 "ld.w %%d1, %6 \n\t" \
538 "xor %%d5, %%d5 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000539
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200540#define MULADDC_CORE \
541 "ld.w %%d0, [%%a2+] \n\t" \
542 "madd.u %%e2, %%e4, %%d0, %%d1 \n\t" \
543 "ld.w %%d0, [%%a3] \n\t" \
544 "addx %%d2, %%d2, %%d0 \n\t" \
545 "addc %%d3, %%d3, 0 \n\t" \
546 "mov %%d4, %%d3 \n\t" \
547 "st.w [%%a3+], %%d2 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000548
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200549#define MULADDC_STOP \
550 "st.w %0, %%d4 \n\t" \
551 "st.a %1, %%a3 \n\t" \
552 "st.a %2, %%a2 \n\t" \
Manuel Pégourié-Gonnard3f687ad2014-01-10 15:47:50 +0100553 : "=m" (c), "=m" (d), "=m" (s) \
554 : "m" (s), "m" (d), "m" (c), "m" (b) \
555 : "d0", "d1", "e2", "d4", "a2", "a3" \
556 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000557
558#endif /* TriCore */
559
560#if defined(__arm__)
561
Paul Bakkerfc4f46f2013-06-24 19:23:56 +0200562#if defined(__thumb__) && !defined(__thumb2__)
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000563
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200564#define MULADDC_INIT \
565 asm( \
566 "ldr r0, %3 \n\t" \
567 "ldr r1, %4 \n\t" \
568 "ldr r2, %5 \n\t" \
569 "ldr r3, %6 \n\t" \
570 "lsr r7, r3, #16 \n\t" \
571 "mov r9, r7 \n\t" \
572 "lsl r7, r3, #16 \n\t" \
573 "lsr r7, r7, #16 \n\t" \
574 "mov r8, r7 \n\t"
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000575
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200576#define MULADDC_CORE \
577 "ldmia r0!, {r6} \n\t" \
578 "lsr r7, r6, #16 \n\t" \
579 "lsl r6, r6, #16 \n\t" \
580 "lsr r6, r6, #16 \n\t" \
581 "mov r4, r8 \n\t" \
582 "mul r4, r6 \n\t" \
583 "mov r3, r9 \n\t" \
584 "mul r6, r3 \n\t" \
585 "mov r5, r9 \n\t" \
586 "mul r5, r7 \n\t" \
587 "mov r3, r8 \n\t" \
588 "mul r7, r3 \n\t" \
589 "lsr r3, r6, #16 \n\t" \
590 "add r5, r5, r3 \n\t" \
591 "lsr r3, r7, #16 \n\t" \
592 "add r5, r5, r3 \n\t" \
593 "add r4, r4, r2 \n\t" \
594 "mov r2, #0 \n\t" \
595 "adc r5, r2 \n\t" \
596 "lsl r3, r6, #16 \n\t" \
597 "add r4, r4, r3 \n\t" \
598 "adc r5, r2 \n\t" \
599 "lsl r3, r7, #16 \n\t" \
600 "add r4, r4, r3 \n\t" \
601 "adc r5, r2 \n\t" \
602 "ldr r3, [r1] \n\t" \
603 "add r4, r4, r3 \n\t" \
604 "adc r2, r5 \n\t" \
605 "stmia r1!, {r4} \n\t"
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000606
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200607#define MULADDC_STOP \
608 "str r2, %0 \n\t" \
609 "str r1, %1 \n\t" \
610 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100611 : "=m" (c), "=m" (d), "=m" (s) \
612 : "m" (s), "m" (d), "m" (c), "m" (b) \
613 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200614 "r6", "r7", "r8", "r9", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100615 );
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000616
617#else
Paul Bakkera2713a32011-11-18 12:47:23 +0000618
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200619#define MULADDC_INIT \
620 asm( \
621 "ldr r0, %3 \n\t" \
622 "ldr r1, %4 \n\t" \
623 "ldr r2, %5 \n\t" \
624 "ldr r3, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000625
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200626#define MULADDC_CORE \
627 "ldr r4, [r0], #4 \n\t" \
628 "mov r5, #0 \n\t" \
629 "ldr r6, [r1] \n\t" \
630 "umlal r2, r5, r3, r4 \n\t" \
631 "adds r7, r6, r2 \n\t" \
632 "adc r2, r5, #0 \n\t" \
633 "str r7, [r1], #4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000634
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200635#define MULADDC_STOP \
636 "str r2, %0 \n\t" \
637 "str r1, %1 \n\t" \
638 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100639 : "=m" (c), "=m" (d), "=m" (s) \
640 : "m" (s), "m" (d), "m" (c), "m" (b) \
641 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200642 "r6", "r7", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100643 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000644
Paul Bakkera2713a32011-11-18 12:47:23 +0000645#endif /* Thumb */
646
Paul Bakker5121ce52009-01-03 21:22:43 +0000647#endif /* ARMv3 */
648
649#if defined(__alpha__)
650
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200651#define MULADDC_INIT \
652 asm( \
653 "ldq $1, %3 \n\t" \
654 "ldq $2, %4 \n\t" \
655 "ldq $3, %5 \n\t" \
656 "ldq $4, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000657
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200658#define MULADDC_CORE \
659 "ldq $6, 0($1) \n\t" \
660 "addq $1, 8, $1 \n\t" \
661 "mulq $6, $4, $7 \n\t" \
662 "umulh $6, $4, $6 \n\t" \
663 "addq $7, $3, $7 \n\t" \
664 "cmpult $7, $3, $3 \n\t" \
665 "ldq $5, 0($2) \n\t" \
666 "addq $7, $5, $7 \n\t" \
667 "cmpult $7, $5, $5 \n\t" \
668 "stq $7, 0($2) \n\t" \
669 "addq $2, 8, $2 \n\t" \
670 "addq $6, $3, $3 \n\t" \
671 "addq $5, $3, $3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000672
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200673#define MULADDC_STOP \
674 "stq $3, %0 \n\t" \
675 "stq $2, %1 \n\t" \
676 "stq $1, %2 \n\t" \
Manuel Pégourié-Gonnard5af8e642014-01-10 15:53:41 +0100677 : "=m" (c), "=m" (d), "=m" (s) \
678 : "m" (s), "m" (d), "m" (c), "m" (b) \
679 : "$1", "$2", "$3", "$4", "$5", "$6", "$7" \
680 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000681#endif /* Alpha */
682
James Cowgilld1e7e8b2014-12-16 15:24:06 +0000683#if defined(__mips__) && !defined(__mips64)
Paul Bakker5121ce52009-01-03 21:22:43 +0000684
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200685#define MULADDC_INIT \
686 asm( \
687 "lw $10, %3 \n\t" \
688 "lw $11, %4 \n\t" \
689 "lw $12, %5 \n\t" \
690 "lw $13, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000691
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200692#define MULADDC_CORE \
693 "lw $14, 0($10) \n\t" \
694 "multu $13, $14 \n\t" \
695 "addi $10, $10, 4 \n\t" \
696 "mflo $14 \n\t" \
697 "mfhi $9 \n\t" \
698 "addu $14, $12, $14 \n\t" \
699 "lw $15, 0($11) \n\t" \
700 "sltu $12, $14, $12 \n\t" \
701 "addu $15, $14, $15 \n\t" \
702 "sltu $14, $15, $14 \n\t" \
703 "addu $12, $12, $9 \n\t" \
704 "sw $15, 0($11) \n\t" \
705 "addu $12, $12, $14 \n\t" \
706 "addi $11, $11, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000707
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200708#define MULADDC_STOP \
709 "sw $12, %0 \n\t" \
710 "sw $11, %1 \n\t" \
711 "sw $10, %2 \n\t" \
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100712 : "=m" (c), "=m" (d), "=m" (s) \
713 : "m" (s), "m" (d), "m" (c), "m" (b) \
714 : "$9", "$10", "$11", "$12", "$13", "$14", "$15" \
715 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000716
717#endif /* MIPS */
718#endif /* GNUC */
719
720#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
721
722#define MULADDC_INIT \
723 __asm mov esi, s \
724 __asm mov edi, d \
725 __asm mov ecx, c \
726 __asm mov ebx, b
727
728#define MULADDC_CORE \
729 __asm lodsd \
730 __asm mul ebx \
731 __asm add eax, ecx \
732 __asm adc edx, 0 \
733 __asm add eax, [edi] \
734 __asm adc edx, 0 \
735 __asm mov ecx, edx \
736 __asm stosd
737
Paul Bakker40e46942009-01-03 21:51:57 +0000738#if defined(POLARSSL_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000739
740#define EMIT __asm _emit
741
742#define MULADDC_HUIT \
743 EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
744 EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
745 EMIT 0x0F EMIT 0x6E EMIT 0x1F \
746 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
747 EMIT 0x0F EMIT 0x6E EMIT 0x16 \
748 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
749 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
750 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
751 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
752 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
753 EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
754 EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
755 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
756 EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
757 EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
758 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
759 EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
760 EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
761 EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
762 EMIT 0x0F EMIT 0x7E EMIT 0x0F \
763 EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
764 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
765 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
766 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
767 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
768 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
769 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
770 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
771 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
772 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
773 EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
774 EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
775 EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
776 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
777 EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
778 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
779 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
780 EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
781 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
782 EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
783 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
784 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
785 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
786 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
787 EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
788 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
789 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
790 EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
791 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
792 EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
793 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
794 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
795 EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
796 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
797 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
798 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
799 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
800 EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
801 EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
802 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
803 EMIT 0x0F EMIT 0x7E EMIT 0xC9
804
805#define MULADDC_STOP \
806 EMIT 0x0F EMIT 0x77 \
807 __asm mov c, ecx \
808 __asm mov d, edi \
809 __asm mov s, esi \
810
811#else
812
813#define MULADDC_STOP \
814 __asm mov c, ecx \
815 __asm mov d, edi \
816 __asm mov s, esi \
817
818#endif /* SSE2 */
819#endif /* MSVC */
820
Paul Bakker40e46942009-01-03 21:51:57 +0000821#endif /* POLARSSL_HAVE_ASM */
Paul Bakker5121ce52009-01-03 21:22:43 +0000822
823#if !defined(MULADDC_CORE)
Paul Bakker0fd018e2012-10-23 12:44:47 +0000824#if defined(POLARSSL_HAVE_UDBL)
Paul Bakker5121ce52009-01-03 21:22:43 +0000825
826#define MULADDC_INIT \
827{ \
Paul Bakkera755ca12011-04-24 09:11:17 +0000828 t_udbl r; \
829 t_uint r0, r1;
Paul Bakker5121ce52009-01-03 21:22:43 +0000830
831#define MULADDC_CORE \
Paul Bakker5c2364c2012-10-01 14:41:15 +0000832 r = *(s++) * (t_udbl) b; \
Sander Niemeijeref5087d2014-08-16 12:45:52 +0200833 r0 = (t_uint) r; \
834 r1 = (t_uint)( r >> biL ); \
Paul Bakker5121ce52009-01-03 21:22:43 +0000835 r0 += c; r1 += (r0 < c); \
836 r0 += *d; r1 += (r0 < *d); \
837 c = r1; *(d++) = r0;
838
839#define MULADDC_STOP \
840}
841
842#else
843#define MULADDC_INIT \
844{ \
Paul Bakkera755ca12011-04-24 09:11:17 +0000845 t_uint s0, s1, b0, b1; \
846 t_uint r0, r1, rx, ry; \
Paul Bakker5121ce52009-01-03 21:22:43 +0000847 b0 = ( b << biH ) >> biH; \
848 b1 = ( b >> biH );
849
850#define MULADDC_CORE \
851 s0 = ( *s << biH ) >> biH; \
852 s1 = ( *s >> biH ); s++; \
853 rx = s0 * b1; r0 = s0 * b0; \
854 ry = s1 * b0; r1 = s1 * b1; \
855 r1 += ( rx >> biH ); \
856 r1 += ( ry >> biH ); \
857 rx <<= biH; ry <<= biH; \
858 r0 += rx; r1 += (r0 < rx); \
859 r0 += ry; r1 += (r0 < ry); \
860 r0 += c; r1 += (r0 < c); \
861 r0 += *d; r1 += (r0 < *d); \
862 c = r1; *(d++) = r0;
863
864#define MULADDC_STOP \
865}
866
867#endif /* C (generic) */
868#endif /* C (longlong) */
869
870#endif /* bn_mul.h */