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review.trustedfirmware.org / mirror / mbed-tls / f744bd72eec35005e5d3a4bf1192014d15bef84f / . / include / mbedtls / bn_mul.h
blob: 42339b7b7183e447c82ea29251bb9e9a6d61202f [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 *
Darryl Greena40a1012018-01-05 15:33:17 +0000[diff] [blame]4 * \brief Multi-precision integer library
5 */
6/*
Manuel Pégourié-Gonnard6fb81872015-07-27 11:11:48 +0200[diff] [blame]7 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
Bence Szépkútif744bd72020-06-05 13:02:18 +0200[diff] [blame^]8 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
9 *
10 * This file is provided under the Apache License 2.0, or the
11 * GNU General Public License v2.0 or later.
12 *
13 * **********
14 * Apache License 2.0:
Manuel Pégourié-Gonnard37ff1402015-09-04 14:21:07 +0200[diff] [blame]15 *
16 * Licensed under the Apache License, Version 2.0 (the "License"); you may
17 * not use this file except in compliance with the License.
18 * You may obtain a copy of the License at
19 *
20 * http://www.apache.org/licenses/LICENSE-2.0
21 *
22 * Unless required by applicable law or agreed to in writing, software
23 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
24 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
25 * See the License for the specific language governing permissions and
26 * limitations under the License.
Paul Bakkerb96f1542010-07-18 20:36:00 +0000[diff] [blame]27 *
Bence Szépkútif744bd72020-06-05 13:02:18 +0200[diff] [blame^]28 * **********
29 *
30 * **********
31 * GNU General Public License v2.0 or later:
32 *
33 * This program is free software; you can redistribute it and/or modify
34 * it under the terms of the GNU General Public License as published by
35 * the Free Software Foundation; either version 2 of the License, or
36 * (at your option) any later version.
37 *
38 * This program is distributed in the hope that it will be useful,
39 * but WITHOUT ANY WARRANTY; without even the implied warranty of
40 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
41 * GNU General Public License for more details.
42 *
43 * You should have received a copy of the GNU General Public License along
44 * with this program; if not, write to the Free Software Foundation, Inc.,
45 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
46 *
47 * **********
48 *
Manuel Pégourié-Gonnardfe446432015-03-06 13:17:10 +0000[diff] [blame]49 * This file is part of mbed TLS (https://tls.mbed.org)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]50 */
51/*
52 * Multiply source vector [s] with b, add result
53 * to destination vector [d] and set carry c.
54 *
55 * Currently supports:
56 *
57 * . IA-32 (386+) . AMD64 / EM64T
58 * . IA-32 (SSE2) . Motorola 68000
59 * . PowerPC, 32-bit . MicroBlaze
60 * . PowerPC, 64-bit . TriCore
61 * . SPARC v8 . ARM v3+
62 * . Alpha . MIPS32
63 * . C, longlong . C, generic
64 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]65#ifndef MBEDTLS_BN_MUL_H
66#define MBEDTLS_BN_MUL_H
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]67
Ron Eldor8b0cf2e2018-02-14 16:02:41 +0200[diff] [blame]68#if !defined(MBEDTLS_CONFIG_FILE)
69#include "config.h"
70#else
71#include MBEDTLS_CONFIG_FILE
72#endif
73
Paul Bakker66219872012-01-22 20:38:13 +0000[diff] [blame]74#include "bignum.h"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]75
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]76#if defined(MBEDTLS_HAVE_ASM)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]77
Manuel Pégourié-Gonnardba194322015-05-29 09:47:57 +0200[diff] [blame]78#ifndef asm
79#define asm __asm
80#endif
81
Manuel Pégourié-Gonnard854dab92015-08-10 12:08:34 +0200[diff] [blame]82/* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */
83#if defined(__GNUC__) && \
84 ( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 )
Simon Butcher4b9a3ad2018-07-10 20:18:29 +0100[diff] [blame]85
86/*
87 * Disable use of the i386 assembly code below if option -O0, to disable all
88 * compiler optimisations, is passed, detected with __OPTIMIZE__
89 * This is done as the number of registers used in the assembly code doesn't
90 * work with the -O0 option.
91 */
Simon Butchere459f072018-07-23 09:44:42 +0100[diff] [blame]92#if defined(__i386__) && defined(__OPTIMIZE__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]93
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]94#define MULADDC_INIT \
95 asm( \
96 "movl %%ebx, %0 \n\t" \
97 "movl %5, %%esi \n\t" \
98 "movl %6, %%edi \n\t" \
99 "movl %7, %%ecx \n\t" \
100 "movl %8, %%ebx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]101
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]102#define MULADDC_CORE \
103 "lodsl \n\t" \
104 "mull %%ebx \n\t" \
105 "addl %%ecx, %%eax \n\t" \
106 "adcl $0, %%edx \n\t" \
107 "addl (%%edi), %%eax \n\t" \
108 "adcl $0, %%edx \n\t" \
109 "movl %%edx, %%ecx \n\t" \
110 "stosl \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]111
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]112#if defined(MBEDTLS_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]113
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]114#define MULADDC_HUIT \
115 "movd %%ecx, %%mm1 \n\t" \
116 "movd %%ebx, %%mm0 \n\t" \
117 "movd (%%edi), %%mm3 \n\t" \
118 "paddq %%mm3, %%mm1 \n\t" \
119 "movd (%%esi), %%mm2 \n\t" \
120 "pmuludq %%mm0, %%mm2 \n\t" \
121 "movd 4(%%esi), %%mm4 \n\t" \
122 "pmuludq %%mm0, %%mm4 \n\t" \
123 "movd 8(%%esi), %%mm6 \n\t" \
124 "pmuludq %%mm0, %%mm6 \n\t" \
125 "movd 12(%%esi), %%mm7 \n\t" \
126 "pmuludq %%mm0, %%mm7 \n\t" \
127 "paddq %%mm2, %%mm1 \n\t" \
128 "movd 4(%%edi), %%mm3 \n\t" \
129 "paddq %%mm4, %%mm3 \n\t" \
130 "movd 8(%%edi), %%mm5 \n\t" \
131 "paddq %%mm6, %%mm5 \n\t" \
132 "movd 12(%%edi), %%mm4 \n\t" \
133 "paddq %%mm4, %%mm7 \n\t" \
134 "movd %%mm1, (%%edi) \n\t" \
135 "movd 16(%%esi), %%mm2 \n\t" \
136 "pmuludq %%mm0, %%mm2 \n\t" \
137 "psrlq $32, %%mm1 \n\t" \
138 "movd 20(%%esi), %%mm4 \n\t" \
139 "pmuludq %%mm0, %%mm4 \n\t" \
140 "paddq %%mm3, %%mm1 \n\t" \
141 "movd 24(%%esi), %%mm6 \n\t" \
142 "pmuludq %%mm0, %%mm6 \n\t" \
143 "movd %%mm1, 4(%%edi) \n\t" \
144 "psrlq $32, %%mm1 \n\t" \
145 "movd 28(%%esi), %%mm3 \n\t" \
146 "pmuludq %%mm0, %%mm3 \n\t" \
147 "paddq %%mm5, %%mm1 \n\t" \
148 "movd 16(%%edi), %%mm5 \n\t" \
149 "paddq %%mm5, %%mm2 \n\t" \
150 "movd %%mm1, 8(%%edi) \n\t" \
151 "psrlq $32, %%mm1 \n\t" \
152 "paddq %%mm7, %%mm1 \n\t" \
153 "movd 20(%%edi), %%mm5 \n\t" \
154 "paddq %%mm5, %%mm4 \n\t" \
155 "movd %%mm1, 12(%%edi) \n\t" \
156 "psrlq $32, %%mm1 \n\t" \
157 "paddq %%mm2, %%mm1 \n\t" \
158 "movd 24(%%edi), %%mm5 \n\t" \
159 "paddq %%mm5, %%mm6 \n\t" \
160 "movd %%mm1, 16(%%edi) \n\t" \
161 "psrlq $32, %%mm1 \n\t" \
162 "paddq %%mm4, %%mm1 \n\t" \
163 "movd 28(%%edi), %%mm5 \n\t" \
164 "paddq %%mm5, %%mm3 \n\t" \
165 "movd %%mm1, 20(%%edi) \n\t" \
166 "psrlq $32, %%mm1 \n\t" \
167 "paddq %%mm6, %%mm1 \n\t" \
168 "movd %%mm1, 24(%%edi) \n\t" \
169 "psrlq $32, %%mm1 \n\t" \
170 "paddq %%mm3, %%mm1 \n\t" \
171 "movd %%mm1, 28(%%edi) \n\t" \
172 "addl $32, %%edi \n\t" \
173 "addl $32, %%esi \n\t" \
174 "psrlq $32, %%mm1 \n\t" \
175 "movd %%mm1, %%ecx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]176
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]177#define MULADDC_STOP \
178 "emms \n\t" \
179 "movl %4, %%ebx \n\t" \
180 "movl %%ecx, %1 \n\t" \
181 "movl %%edi, %2 \n\t" \
182 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]183 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
184 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
Simon Butcher53571642018-06-24 12:58:31 +0100[diff] [blame]185 : "eax", "ebx", "ecx", "edx", "esi", "edi" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]186 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]187
188#else
189
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]190#define MULADDC_STOP \
191 "movl %4, %%ebx \n\t" \
192 "movl %%ecx, %1 \n\t" \
193 "movl %%edi, %2 \n\t" \
194 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]195 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
196 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
Simon Butcher53571642018-06-24 12:58:31 +0100[diff] [blame]197 : "eax", "ebx", "ecx", "edx", "esi", "edi" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]198 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]199#endif /* SSE2 */
200#endif /* i386 */
201
202#if defined(__amd64__) || defined (__x86_64__)
203
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]204#define MULADDC_INIT \
205 asm( \
Simon Butchera86de142018-09-30 12:09:47 +0100[diff] [blame]206 "xorq %%r8, %%r8\n"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]207
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]208#define MULADDC_CORE \
Simon Butchera86de142018-09-30 12:09:47 +0100[diff] [blame]209 "movq (%%rsi), %%rax\n" \
210 "mulq %%rbx\n" \
211 "addq $8, %%rsi\n" \
212 "addq %%rcx, %%rax\n" \
213 "movq %%r8, %%rcx\n" \
214 "adcq $0, %%rdx\n" \
215 "nop \n" \
216 "addq %%rax, (%%rdi)\n" \
217 "adcq %%rdx, %%rcx\n" \
218 "addq $8, %%rdi\n"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]219
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]220#define MULADDC_STOP \
James Cowgill21e402a2015-12-17 01:51:09 +0000[diff] [blame]221 : "+c" (c), "+D" (d), "+S" (s) \
222 : "b" (b) \
223 : "rax", "rdx", "r8" \
Manuel Pégourié-Gonnarddef018d2014-01-07 17:50:46 +0100[diff] [blame]224 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]225
226#endif /* AMD64 */
227
228#if defined(__mc68020__) || defined(__mcpu32__)
229
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]230#define MULADDC_INIT \
231 asm( \
232 "movl %3, %%a2 \n\t" \
233 "movl %4, %%a3 \n\t" \
234 "movl %5, %%d3 \n\t" \
235 "movl %6, %%d2 \n\t" \
236 "moveq #0, %%d0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]237
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]238#define MULADDC_CORE \
239 "movel %%a2@+, %%d1 \n\t" \
240 "mulul %%d2, %%d4:%%d1 \n\t" \
241 "addl %%d3, %%d1 \n\t" \
242 "addxl %%d0, %%d4 \n\t" \
243 "moveq #0, %%d3 \n\t" \
244 "addl %%d1, %%a3@+ \n\t" \
245 "addxl %%d4, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]246
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]247#define MULADDC_STOP \
248 "movl %%d3, %0 \n\t" \
249 "movl %%a3, %1 \n\t" \
250 "movl %%a2, %2 \n\t" \
Manuel Pégourié-Gonnard3b05e4c2014-01-10 15:30:23 +0100[diff] [blame]251 : "=m" (c), "=m" (d), "=m" (s) \
252 : "m" (s), "m" (d), "m" (c), "m" (b) \
253 : "d0", "d1", "d2", "d3", "d4", "a2", "a3" \
254 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]255
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]256#define MULADDC_HUIT \
257 "movel %%a2@+, %%d1 \n\t" \
258 "mulul %%d2, %%d4:%%d1 \n\t" \
259 "addxl %%d3, %%d1 \n\t" \
260 "addxl %%d0, %%d4 \n\t" \
261 "addl %%d1, %%a3@+ \n\t" \
262 "movel %%a2@+, %%d1 \n\t" \
263 "mulul %%d2, %%d3:%%d1 \n\t" \
264 "addxl %%d4, %%d1 \n\t" \
265 "addxl %%d0, %%d3 \n\t" \
266 "addl %%d1, %%a3@+ \n\t" \
267 "movel %%a2@+, %%d1 \n\t" \
268 "mulul %%d2, %%d4:%%d1 \n\t" \
269 "addxl %%d3, %%d1 \n\t" \
270 "addxl %%d0, %%d4 \n\t" \
271 "addl %%d1, %%a3@+ \n\t" \
272 "movel %%a2@+, %%d1 \n\t" \
273 "mulul %%d2, %%d3:%%d1 \n\t" \
274 "addxl %%d4, %%d1 \n\t" \
275 "addxl %%d0, %%d3 \n\t" \
276 "addl %%d1, %%a3@+ \n\t" \
277 "movel %%a2@+, %%d1 \n\t" \
278 "mulul %%d2, %%d4:%%d1 \n\t" \
279 "addxl %%d3, %%d1 \n\t" \
280 "addxl %%d0, %%d4 \n\t" \
281 "addl %%d1, %%a3@+ \n\t" \
282 "movel %%a2@+, %%d1 \n\t" \
283 "mulul %%d2, %%d3:%%d1 \n\t" \
284 "addxl %%d4, %%d1 \n\t" \
285 "addxl %%d0, %%d3 \n\t" \
286 "addl %%d1, %%a3@+ \n\t" \
287 "movel %%a2@+, %%d1 \n\t" \
288 "mulul %%d2, %%d4:%%d1 \n\t" \
289 "addxl %%d3, %%d1 \n\t" \
290 "addxl %%d0, %%d4 \n\t" \
291 "addl %%d1, %%a3@+ \n\t" \
292 "movel %%a2@+, %%d1 \n\t" \
293 "mulul %%d2, %%d3:%%d1 \n\t" \
294 "addxl %%d4, %%d1 \n\t" \
295 "addxl %%d0, %%d3 \n\t" \
296 "addl %%d1, %%a3@+ \n\t" \
297 "addxl %%d0, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]298
299#endif /* MC68000 */
300
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]301#if defined(__powerpc64__) || defined(__ppc64__)
302
303#if defined(__MACH__) && defined(__APPLE__)
304
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]305#define MULADDC_INIT \
306 asm( \
307 "ld r3, %3 \n\t" \
308 "ld r4, %4 \n\t" \
309 "ld r5, %5 \n\t" \
310 "ld r6, %6 \n\t" \
311 "addi r3, r3, -8 \n\t" \
312 "addi r4, r4, -8 \n\t" \
313 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]314
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]315#define MULADDC_CORE \
316 "ldu r7, 8(r3) \n\t" \
317 "mulld r8, r7, r6 \n\t" \
318 "mulhdu r9, r7, r6 \n\t" \
319 "adde r8, r8, r5 \n\t" \
320 "ld r7, 8(r4) \n\t" \
321 "addze r5, r9 \n\t" \
322 "addc r8, r8, r7 \n\t" \
323 "stdu r8, 8(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]324
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]325#define MULADDC_STOP \
326 "addze r5, r5 \n\t" \
327 "addi r4, r4, 8 \n\t" \
328 "addi r3, r3, 8 \n\t" \
329 "std r5, %0 \n\t" \
330 "std r4, %1 \n\t" \
331 "std r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]332 : "=m" (c), "=m" (d), "=m" (s) \
333 : "m" (s), "m" (d), "m" (c), "m" (b) \
334 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
335 );
336
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]337
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]338#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]339
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]340#define MULADDC_INIT \
341 asm( \
342 "ld %%r3, %3 \n\t" \
343 "ld %%r4, %4 \n\t" \
344 "ld %%r5, %5 \n\t" \
345 "ld %%r6, %6 \n\t" \
346 "addi %%r3, %%r3, -8 \n\t" \
347 "addi %%r4, %%r4, -8 \n\t" \
348 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]349
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]350#define MULADDC_CORE \
351 "ldu %%r7, 8(%%r3) \n\t" \
352 "mulld %%r8, %%r7, %%r6 \n\t" \
353 "mulhdu %%r9, %%r7, %%r6 \n\t" \
354 "adde %%r8, %%r8, %%r5 \n\t" \
355 "ld %%r7, 8(%%r4) \n\t" \
356 "addze %%r5, %%r9 \n\t" \
357 "addc %%r8, %%r8, %%r7 \n\t" \
358 "stdu %%r8, 8(%%r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]359
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]360#define MULADDC_STOP \
361 "addze %%r5, %%r5 \n\t" \
362 "addi %%r4, %%r4, 8 \n\t" \
363 "addi %%r3, %%r3, 8 \n\t" \
364 "std %%r5, %0 \n\t" \
365 "std %%r4, %1 \n\t" \
366 "std %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]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
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]372#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]373
Barry K. Nathan35e7cb92014-05-05 23:26:13 -0700[diff] [blame]374#elif defined(__powerpc__) || defined(__ppc__) /* end PPC64/begin PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]375
376#if defined(__MACH__) && defined(__APPLE__)
377
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]378#define MULADDC_INIT \
379 asm( \
380 "lwz r3, %3 \n\t" \
381 "lwz r4, %4 \n\t" \
382 "lwz r5, %5 \n\t" \
383 "lwz r6, %6 \n\t" \
384 "addi r3, r3, -4 \n\t" \
385 "addi r4, r4, -4 \n\t" \
386 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]387
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]388#define MULADDC_CORE \
389 "lwzu r7, 4(r3) \n\t" \
390 "mullw r8, r7, r6 \n\t" \
391 "mulhwu r9, r7, r6 \n\t" \
392 "adde r8, r8, r5 \n\t" \
393 "lwz r7, 4(r4) \n\t" \
394 "addze r5, r9 \n\t" \
395 "addc r8, r8, r7 \n\t" \
396 "stwu r8, 4(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]397
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]398#define MULADDC_STOP \
399 "addze r5, r5 \n\t" \
400 "addi r4, r4, 4 \n\t" \
401 "addi r3, r3, 4 \n\t" \
402 "stw r5, %0 \n\t" \
403 "stw r4, %1 \n\t" \
404 "stw r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]405 : "=m" (c), "=m" (d), "=m" (s) \
406 : "m" (s), "m" (d), "m" (c), "m" (b) \
407 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
408 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]409
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]410#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]411
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]412#define MULADDC_INIT \
413 asm( \
414 "lwz %%r3, %3 \n\t" \
415 "lwz %%r4, %4 \n\t" \
416 "lwz %%r5, %5 \n\t" \
417 "lwz %%r6, %6 \n\t" \
418 "addi %%r3, %%r3, -4 \n\t" \
419 "addi %%r4, %%r4, -4 \n\t" \
420 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]421
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]422#define MULADDC_CORE \
423 "lwzu %%r7, 4(%%r3) \n\t" \
424 "mullw %%r8, %%r7, %%r6 \n\t" \
425 "mulhwu %%r9, %%r7, %%r6 \n\t" \
426 "adde %%r8, %%r8, %%r5 \n\t" \
427 "lwz %%r7, 4(%%r4) \n\t" \
428 "addze %%r5, %%r9 \n\t" \
429 "addc %%r8, %%r8, %%r7 \n\t" \
430 "stwu %%r8, 4(%%r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]431
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]432#define MULADDC_STOP \
433 "addze %%r5, %%r5 \n\t" \
434 "addi %%r4, %%r4, 4 \n\t" \
435 "addi %%r3, %%r3, 4 \n\t" \
436 "stw %%r5, %0 \n\t" \
437 "stw %%r4, %1 \n\t" \
438 "stw %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]439 : "=m" (c), "=m" (d), "=m" (s) \
440 : "m" (s), "m" (d), "m" (c), "m" (b) \
441 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
442 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]443
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]444#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]445
446#endif /* PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]447
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200[diff] [blame]448/*
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]449 * The Sparc(64) assembly is reported to be broken.
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200[diff] [blame]450 * Disable it for now, until we're able to fix it.
451 */
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]452#if 0 && defined(__sparc__)
453#if defined(__sparc64__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]454
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]455#define MULADDC_INIT \
456 asm( \
457 "ldx %3, %%o0 \n\t" \
458 "ldx %4, %%o1 \n\t" \
459 "ld %5, %%o2 \n\t" \
460 "ld %6, %%o3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]461
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]462#define MULADDC_CORE \
463 "ld [%%o0], %%o4 \n\t" \
464 "inc 4, %%o0 \n\t" \
465 "ld [%%o1], %%o5 \n\t" \
466 "umul %%o3, %%o4, %%o4 \n\t" \
467 "addcc %%o4, %%o2, %%o4 \n\t" \
468 "rd %%y, %%g1 \n\t" \
469 "addx %%g1, 0, %%g1 \n\t" \
470 "addcc %%o4, %%o5, %%o4 \n\t" \
471 "st %%o4, [%%o1] \n\t" \
472 "addx %%g1, 0, %%o2 \n\t" \
473 "inc 4, %%o1 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]474
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]475 #define MULADDC_STOP \
476 "st %%o2, %0 \n\t" \
477 "stx %%o1, %1 \n\t" \
478 "stx %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]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 Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]484
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]485#else /* __sparc64__ */
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]486
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]487#define MULADDC_INIT \
488 asm( \
489 "ld %3, %%o0 \n\t" \
490 "ld %4, %%o1 \n\t" \
491 "ld %5, %%o2 \n\t" \
492 "ld %6, %%o3 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]493
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]494#define MULADDC_CORE \
495 "ld [%%o0], %%o4 \n\t" \
496 "inc 4, %%o0 \n\t" \
497 "ld [%%o1], %%o5 \n\t" \
498 "umul %%o3, %%o4, %%o4 \n\t" \
499 "addcc %%o4, %%o2, %%o4 \n\t" \
500 "rd %%y, %%g1 \n\t" \
501 "addx %%g1, 0, %%g1 \n\t" \
502 "addcc %%o4, %%o5, %%o4 \n\t" \
503 "st %%o4, [%%o1] \n\t" \
504 "addx %%g1, 0, %%o2 \n\t" \
505 "inc 4, %%o1 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]506
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]507#define MULADDC_STOP \
508 "st %%o2, %0 \n\t" \
509 "st %%o1, %1 \n\t" \
510 "st %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]511 : "=m" (c), "=m" (d), "=m" (s) \
512 : "m" (s), "m" (d), "m" (c), "m" (b) \
513 : "g1", "o0", "o1", "o2", "o3", "o4", \
514 "o5" \
515 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]516
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]517#endif /* __sparc64__ */
518#endif /* __sparc__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]519
520#if defined(__microblaze__) || defined(microblaze)
521
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]522#define MULADDC_INIT \
523 asm( \
524 "lwi r3, %3 \n\t" \
525 "lwi r4, %4 \n\t" \
526 "lwi r5, %5 \n\t" \
527 "lwi r6, %6 \n\t" \
528 "andi r7, r6, 0xffff \n\t" \
529 "bsrli r6, r6, 16 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]530
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]531#define MULADDC_CORE \
532 "lhui r8, r3, 0 \n\t" \
533 "addi r3, r3, 2 \n\t" \
534 "lhui r9, r3, 0 \n\t" \
535 "addi r3, r3, 2 \n\t" \
536 "mul r10, r9, r6 \n\t" \
537 "mul r11, r8, r7 \n\t" \
538 "mul r12, r9, r7 \n\t" \
539 "mul r13, r8, r6 \n\t" \
540 "bsrli r8, r10, 16 \n\t" \
541 "bsrli r9, r11, 16 \n\t" \
542 "add r13, r13, r8 \n\t" \
543 "add r13, r13, r9 \n\t" \
544 "bslli r10, r10, 16 \n\t" \
545 "bslli r11, r11, 16 \n\t" \
546 "add r12, r12, r10 \n\t" \
547 "addc r13, r13, r0 \n\t" \
548 "add r12, r12, r11 \n\t" \
549 "addc r13, r13, r0 \n\t" \
550 "lwi r10, r4, 0 \n\t" \
551 "add r12, r12, r10 \n\t" \
552 "addc r13, r13, r0 \n\t" \
553 "add r12, r12, r5 \n\t" \
554 "addc r5, r13, r0 \n\t" \
555 "swi r12, r4, 0 \n\t" \
556 "addi r4, r4, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]557
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]558#define MULADDC_STOP \
559 "swi r5, %0 \n\t" \
560 "swi r4, %1 \n\t" \
561 "swi r3, %2 \n\t" \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]562 : "=m" (c), "=m" (d), "=m" (s) \
563 : "m" (s), "m" (d), "m" (c), "m" (b) \
Zach van Rijne7d3f8e2018-05-21 10:52:34 -0400[diff] [blame]564 : "r3", "r4", "r5", "r6", "r7", "r8", \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]565 "r9", "r10", "r11", "r12", "r13" \
566 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]567
568#endif /* MicroBlaze */
569
570#if defined(__tricore__)
571
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]572#define MULADDC_INIT \
573 asm( \
574 "ld.a %%a2, %3 \n\t" \
575 "ld.a %%a3, %4 \n\t" \
576 "ld.w %%d4, %5 \n\t" \
577 "ld.w %%d1, %6 \n\t" \
578 "xor %%d5, %%d5 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]579
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]580#define MULADDC_CORE \
581 "ld.w %%d0, [%%a2+] \n\t" \
582 "madd.u %%e2, %%e4, %%d0, %%d1 \n\t" \
583 "ld.w %%d0, [%%a3] \n\t" \
584 "addx %%d2, %%d2, %%d0 \n\t" \
585 "addc %%d3, %%d3, 0 \n\t" \
586 "mov %%d4, %%d3 \n\t" \
587 "st.w [%%a3+], %%d2 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]588
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]589#define MULADDC_STOP \
590 "st.w %0, %%d4 \n\t" \
591 "st.a %1, %%a3 \n\t" \
592 "st.a %2, %%a2 \n\t" \
Manuel Pégourié-Gonnard3f687ad2014-01-10 15:47:50 +0100[diff] [blame]593 : "=m" (c), "=m" (d), "=m" (s) \
594 : "m" (s), "m" (d), "m" (c), "m" (b) \
595 : "d0", "d1", "e2", "d4", "a2", "a3" \
596 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]597
598#endif /* TriCore */
599
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]600/*
Simon Butcher3ad2efd2018-05-02 14:49:38 +0100[diff] [blame]601 * Note, gcc -O0 by default uses r7 for the frame pointer, so it complains about
602 * our use of r7 below, unless -fomit-frame-pointer is passed.
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]603 *
604 * On the other hand, -fomit-frame-pointer is implied by any -Ox options with
605 * x !=0, which we can detect using __OPTIMIZE__ (which is also defined by
606 * clang and armcc5 under the same conditions).
607 *
608 * So, only use the optimized assembly below for optimized build, which avoids
609 * the build error and is pretty reasonable anyway.
610 */
611#if defined(__GNUC__) && !defined(__OPTIMIZE__)
Manuel Pégourié-Gonnard365f3252016-01-08 14:58:45 +0100[diff] [blame]612#define MULADDC_CANNOT_USE_R7
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]613#endif
614
Manuel Pégourié-Gonnard365f3252016-01-08 14:58:45 +0100[diff] [blame]615#if defined(__arm__) && !defined(MULADDC_CANNOT_USE_R7)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]616
Paul Bakkerfc4f46f2013-06-24 19:23:56 +0200[diff] [blame]617#if defined(__thumb__) && !defined(__thumb2__)
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]618
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]619#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" \
625 "lsr r7, r3, #16 \n\t" \
626 "mov r9, r7 \n\t" \
627 "lsl r7, r3, #16 \n\t" \
628 "lsr r7, r7, #16 \n\t" \
629 "mov r8, r7 \n\t"
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]630
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]631#define MULADDC_CORE \
632 "ldmia r0!, {r6} \n\t" \
633 "lsr r7, r6, #16 \n\t" \
634 "lsl r6, r6, #16 \n\t" \
635 "lsr r6, r6, #16 \n\t" \
636 "mov r4, r8 \n\t" \
637 "mul r4, r6 \n\t" \
638 "mov r3, r9 \n\t" \
639 "mul r6, r3 \n\t" \
640 "mov r5, r9 \n\t" \
641 "mul r5, r7 \n\t" \
642 "mov r3, r8 \n\t" \
643 "mul r7, r3 \n\t" \
644 "lsr r3, r6, #16 \n\t" \
645 "add r5, r5, r3 \n\t" \
646 "lsr r3, r7, #16 \n\t" \
647 "add r5, r5, r3 \n\t" \
648 "add r4, r4, r2 \n\t" \
649 "mov r2, #0 \n\t" \
650 "adc r5, r2 \n\t" \
651 "lsl r3, r6, #16 \n\t" \
652 "add r4, r4, r3 \n\t" \
653 "adc r5, r2 \n\t" \
654 "lsl r3, r7, #16 \n\t" \
655 "add r4, r4, r3 \n\t" \
656 "adc r5, r2 \n\t" \
657 "ldr r3, [r1] \n\t" \
658 "add r4, r4, r3 \n\t" \
659 "adc r2, r5 \n\t" \
660 "stmia r1!, {r4} \n\t"
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]661
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]662#define MULADDC_STOP \
663 "str r2, %0 \n\t" \
664 "str r1, %1 \n\t" \
665 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]666 : "=m" (c), "=m" (d), "=m" (s) \
667 : "m" (s), "m" (d), "m" (c), "m" (b) \
668 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]669 "r6", "r7", "r8", "r9", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]670 );
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]671
Aurelien Jarnoa6901792018-11-03 00:46:06 +0100[diff] [blame]672#elif (__ARM_ARCH >= 6) && \
673 defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
Aurelien Jarno16b1bd82018-05-21 22:01:21 +0200[diff] [blame]674
675#define MULADDC_INIT \
676 asm(
677
678#define MULADDC_CORE \
679 "ldr r0, [%0], #4 \n\t" \
680 "ldr r1, [%1] \n\t" \
681 "umaal r1, %2, %3, r0 \n\t" \
682 "str r1, [%1], #4 \n\t"
683
684#define MULADDC_STOP \
685 : "=r" (s), "=r" (d), "=r" (c) \
686 : "r" (b), "0" (s), "1" (d), "2" (c) \
687 : "r0", "r1", "memory" \
688 );
689
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]690#else
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]691
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]692#define MULADDC_INIT \
693 asm( \
694 "ldr r0, %3 \n\t" \
695 "ldr r1, %4 \n\t" \
696 "ldr r2, %5 \n\t" \
697 "ldr r3, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]698
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]699#define MULADDC_CORE \
700 "ldr r4, [r0], #4 \n\t" \
701 "mov r5, #0 \n\t" \
702 "ldr r6, [r1] \n\t" \
703 "umlal r2, r5, r3, r4 \n\t" \
704 "adds r7, r6, r2 \n\t" \
705 "adc r2, r5, #0 \n\t" \
706 "str r7, [r1], #4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]707
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]708#define MULADDC_STOP \
709 "str r2, %0 \n\t" \
710 "str r1, %1 \n\t" \
711 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]712 : "=m" (c), "=m" (d), "=m" (s) \
713 : "m" (s), "m" (d), "m" (c), "m" (b) \
714 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]715 "r6", "r7", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]716 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]717
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]718#endif /* Thumb */
719
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]720#endif /* ARMv3 */
721
722#if defined(__alpha__)
723
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]724#define MULADDC_INIT \
725 asm( \
726 "ldq $1, %3 \n\t" \
727 "ldq $2, %4 \n\t" \
728 "ldq $3, %5 \n\t" \
729 "ldq $4, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]730
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]731#define MULADDC_CORE \
732 "ldq $6, 0($1) \n\t" \
733 "addq $1, 8, $1 \n\t" \
734 "mulq $6, $4, $7 \n\t" \
735 "umulh $6, $4, $6 \n\t" \
736 "addq $7, $3, $7 \n\t" \
737 "cmpult $7, $3, $3 \n\t" \
738 "ldq $5, 0($2) \n\t" \
739 "addq $7, $5, $7 \n\t" \
740 "cmpult $7, $5, $5 \n\t" \
741 "stq $7, 0($2) \n\t" \
742 "addq $2, 8, $2 \n\t" \
743 "addq $6, $3, $3 \n\t" \
744 "addq $5, $3, $3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]745
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]746#define MULADDC_STOP \
747 "stq $3, %0 \n\t" \
748 "stq $2, %1 \n\t" \
749 "stq $1, %2 \n\t" \
Manuel Pégourié-Gonnard5af8e642014-01-10 15:53:41 +0100[diff] [blame]750 : "=m" (c), "=m" (d), "=m" (s) \
751 : "m" (s), "m" (d), "m" (c), "m" (b) \
752 : "$1", "$2", "$3", "$4", "$5", "$6", "$7" \
753 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]754#endif /* Alpha */
755
James Cowgilld1e7e8b2014-12-16 15:24:06 +0000[diff] [blame]756#if defined(__mips__) && !defined(__mips64)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]757
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]758#define MULADDC_INIT \
759 asm( \
760 "lw $10, %3 \n\t" \
761 "lw $11, %4 \n\t" \
762 "lw $12, %5 \n\t" \
763 "lw $13, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]764
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]765#define MULADDC_CORE \
766 "lw $14, 0($10) \n\t" \
767 "multu $13, $14 \n\t" \
768 "addi $10, $10, 4 \n\t" \
769 "mflo $14 \n\t" \
770 "mfhi $9 \n\t" \
771 "addu $14, $12, $14 \n\t" \
772 "lw $15, 0($11) \n\t" \
773 "sltu $12, $14, $12 \n\t" \
774 "addu $15, $14, $15 \n\t" \
775 "sltu $14, $15, $14 \n\t" \
776 "addu $12, $12, $9 \n\t" \
777 "sw $15, 0($11) \n\t" \
778 "addu $12, $12, $14 \n\t" \
779 "addi $11, $11, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]780
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]781#define MULADDC_STOP \
782 "sw $12, %0 \n\t" \
783 "sw $11, %1 \n\t" \
784 "sw $10, %2 \n\t" \
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]785 : "=m" (c), "=m" (d), "=m" (s) \
786 : "m" (s), "m" (d), "m" (c), "m" (b) \
Jeffrey Martin541055e2019-01-14 18:16:34 -0600[diff] [blame]787 : "$9", "$10", "$11", "$12", "$13", "$14", "$15", "lo", "hi" \
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]788 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]789
790#endif /* MIPS */
791#endif /* GNUC */
792
793#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
794
795#define MULADDC_INIT \
796 __asm mov esi, s \
797 __asm mov edi, d \
798 __asm mov ecx, c \
799 __asm mov ebx, b
800
801#define MULADDC_CORE \
802 __asm lodsd \
803 __asm mul ebx \
804 __asm add eax, ecx \
805 __asm adc edx, 0 \
806 __asm add eax, [edi] \
807 __asm adc edx, 0 \
808 __asm mov ecx, edx \
809 __asm stosd
810
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]811#if defined(MBEDTLS_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]812
813#define EMIT __asm _emit
814
815#define MULADDC_HUIT \
816 EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
817 EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
818 EMIT 0x0F EMIT 0x6E EMIT 0x1F \
819 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
820 EMIT 0x0F EMIT 0x6E EMIT 0x16 \
821 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
822 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
823 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
824 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
825 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
826 EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
827 EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
828 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
829 EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
830 EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
831 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
832 EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
833 EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
834 EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
835 EMIT 0x0F EMIT 0x7E EMIT 0x0F \
836 EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
837 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
838 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
839 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
840 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
841 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
842 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
843 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
844 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
845 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
846 EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
847 EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
848 EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
849 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
850 EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
851 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
852 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
853 EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
854 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
855 EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
856 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
857 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
858 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
859 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
860 EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
861 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
862 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
863 EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
864 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
865 EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
866 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
867 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
868 EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
869 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
870 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
871 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
872 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
873 EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
874 EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
875 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
876 EMIT 0x0F EMIT 0x7E EMIT 0xC9
877
878#define MULADDC_STOP \
879 EMIT 0x0F EMIT 0x77 \
880 __asm mov c, ecx \
881 __asm mov d, edi \
882 __asm mov s, esi \
883
884#else
885
886#define MULADDC_STOP \
887 __asm mov c, ecx \
888 __asm mov d, edi \
889 __asm mov s, esi \
890
891#endif /* SSE2 */
892#endif /* MSVC */
893
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]894#endif /* MBEDTLS_HAVE_ASM */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]895
896#if !defined(MULADDC_CORE)
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]897#if defined(MBEDTLS_HAVE_UDBL)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]898
899#define MULADDC_INIT \
900{ \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]901 mbedtls_t_udbl r; \
902 mbedtls_mpi_uint r0, r1;
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]903
904#define MULADDC_CORE \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]905 r = *(s++) * (mbedtls_t_udbl) b; \
906 r0 = (mbedtls_mpi_uint) r; \
907 r1 = (mbedtls_mpi_uint)( r >> biL ); \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]908 r0 += c; r1 += (r0 < c); \
909 r0 += *d; r1 += (r0 < *d); \
910 c = r1; *(d++) = r0;
911
912#define MULADDC_STOP \
913}
914
915#else
916#define MULADDC_INIT \
917{ \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]918 mbedtls_mpi_uint s0, s1, b0, b1; \
919 mbedtls_mpi_uint r0, r1, rx, ry; \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]920 b0 = ( b << biH ) >> biH; \
921 b1 = ( b >> biH );
922
923#define MULADDC_CORE \
924 s0 = ( *s << biH ) >> biH; \
925 s1 = ( *s >> biH ); s++; \
926 rx = s0 * b1; r0 = s0 * b0; \
927 ry = s1 * b0; r1 = s1 * b1; \
928 r1 += ( rx >> biH ); \
929 r1 += ( ry >> biH ); \
930 rx <<= biH; ry <<= biH; \
931 r0 += rx; r1 += (r0 < rx); \
932 r0 += ry; r1 += (r0 < ry); \
933 r0 += c; r1 += (r0 < c); \
934 r0 += *d; r1 += (r0 < *d); \
935 c = r1; *(d++) = r0;
936
937#define MULADDC_STOP \
938}
939
940#endif /* C (generic) */
941#endif /* C (longlong) */
942
943#endif /* bn_mul.h */