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review.trustedfirmware.org / mirror / mbed-tls / d910305856a7668af08f68a0ff0288353fc40c22 / . / library / bn_mul.h
blob: bf451932f207def6d214601f006a34eee37eb8d8 [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/*
Bence Szépkúti1e148272020-08-07 13:07:28 +0200[diff] [blame]7 * Copyright The Mbed TLS Contributors
Manuel Pégourié-Gonnard37ff1402015-09-04 14:21:07 +0200[diff] [blame]8 * SPDX-License-Identifier: Apache-2.0
9 *
10 * Licensed under the Apache License, Version 2.0 (the "License"); you may
11 * not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
18 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]21 */
22/*
23 * Multiply source vector [s] with b, add result
24 * to destination vector [d] and set carry c.
25 *
26 * Currently supports:
27 *
28 * . IA-32 (386+) . AMD64 / EM64T
29 * . IA-32 (SSE2) . Motorola 68000
30 * . PowerPC, 32-bit . MicroBlaze
31 * . PowerPC, 64-bit . TriCore
32 * . SPARC v8 . ARM v3+
33 * . Alpha . MIPS32
34 * . C, longlong . C, generic
35 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]36#ifndef MBEDTLS_BN_MUL_H
37#define MBEDTLS_BN_MUL_H
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]38
Ron Eldor8b0cf2e2018-02-14 16:02:41 +0200[diff] [blame]39#if !defined(MBEDTLS_CONFIG_FILE)
Jaeden Ameroc49fbbf2019-07-04 20:01:14 +0100[diff] [blame]40#include "mbedtls/config.h"
Ron Eldor8b0cf2e2018-02-14 16:02:41 +0200[diff] [blame]41#else
42#include MBEDTLS_CONFIG_FILE
43#endif
44
Jaeden Ameroc49fbbf2019-07-04 20:01:14 +0100[diff] [blame]45#include "mbedtls/bignum.h"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]46
Janos Follath8c70e812021-06-24 14:48:38 +0100[diff] [blame]47
48/*
49 * Conversion macros for embedded constants:
50 * build lists of mbedtls_mpi_uint's from lists of unsigned char's grouped by 8, 4 or 2
51 */
52#if defined(MBEDTLS_HAVE_INT32)
53
54#define BYTES_TO_T_UINT_4( a, b, c, d ) \
55 ( (mbedtls_mpi_uint) (a) << 0 ) | \
56 ( (mbedtls_mpi_uint) (b) << 8 ) | \
57 ( (mbedtls_mpi_uint) (c) << 16 ) | \
58 ( (mbedtls_mpi_uint) (d) << 24 )
59
60#define BYTES_TO_T_UINT_2( a, b ) \
61 BYTES_TO_T_UINT_4( a, b, 0, 0 )
62
63#define BYTES_TO_T_UINT_8( a, b, c, d, e, f, g, h ) \
64 BYTES_TO_T_UINT_4( a, b, c, d ), \
65 BYTES_TO_T_UINT_4( e, f, g, h )
66
67#else /* 64-bits */
68
69#define BYTES_TO_T_UINT_8( a, b, c, d, e, f, g, h ) \
70 ( (mbedtls_mpi_uint) (a) << 0 ) | \
71 ( (mbedtls_mpi_uint) (b) << 8 ) | \
72 ( (mbedtls_mpi_uint) (c) << 16 ) | \
73 ( (mbedtls_mpi_uint) (d) << 24 ) | \
74 ( (mbedtls_mpi_uint) (e) << 32 ) | \
75 ( (mbedtls_mpi_uint) (f) << 40 ) | \
76 ( (mbedtls_mpi_uint) (g) << 48 ) | \
77 ( (mbedtls_mpi_uint) (h) << 56 )
78
79#define BYTES_TO_T_UINT_4( a, b, c, d ) \
80 BYTES_TO_T_UINT_8( a, b, c, d, 0, 0, 0, 0 )
81
82#define BYTES_TO_T_UINT_2( a, b ) \
83 BYTES_TO_T_UINT_8( a, b, 0, 0, 0, 0, 0, 0 )
84
85#endif /* bits in mbedtls_mpi_uint */
86
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]87#if defined(MBEDTLS_HAVE_ASM)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]88
Manuel Pégourié-Gonnardba194322015-05-29 09:47:57 +0200[diff] [blame]89#ifndef asm
90#define asm __asm
91#endif
92
Manuel Pégourié-Gonnard854dab92015-08-10 12:08:34 +0200[diff] [blame]93/* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */
94#if defined(__GNUC__) && \
95 ( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 )
Simon Butcher4b9a3ad2018-07-10 20:18:29 +0100[diff] [blame]96
97/*
98 * Disable use of the i386 assembly code below if option -O0, to disable all
99 * compiler optimisations, is passed, detected with __OPTIMIZE__
100 * This is done as the number of registers used in the assembly code doesn't
101 * work with the -O0 option.
102 */
Simon Butchere459f072018-07-23 09:44:42 +0100[diff] [blame]103#if defined(__i386__) && defined(__OPTIMIZE__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]104
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]105#define MULADDC_INIT \
106 asm( \
107 "movl %%ebx, %0 \n\t" \
108 "movl %5, %%esi \n\t" \
109 "movl %6, %%edi \n\t" \
110 "movl %7, %%ecx \n\t" \
111 "movl %8, %%ebx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]112
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]113#define MULADDC_CORE \
114 "lodsl \n\t" \
115 "mull %%ebx \n\t" \
116 "addl %%ecx, %%eax \n\t" \
117 "adcl $0, %%edx \n\t" \
118 "addl (%%edi), %%eax \n\t" \
119 "adcl $0, %%edx \n\t" \
120 "movl %%edx, %%ecx \n\t" \
121 "stosl \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]122
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]123#if defined(MBEDTLS_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]124
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]125#define MULADDC_HUIT \
126 "movd %%ecx, %%mm1 \n\t" \
127 "movd %%ebx, %%mm0 \n\t" \
128 "movd (%%edi), %%mm3 \n\t" \
129 "paddq %%mm3, %%mm1 \n\t" \
130 "movd (%%esi), %%mm2 \n\t" \
131 "pmuludq %%mm0, %%mm2 \n\t" \
132 "movd 4(%%esi), %%mm4 \n\t" \
133 "pmuludq %%mm0, %%mm4 \n\t" \
134 "movd 8(%%esi), %%mm6 \n\t" \
135 "pmuludq %%mm0, %%mm6 \n\t" \
136 "movd 12(%%esi), %%mm7 \n\t" \
137 "pmuludq %%mm0, %%mm7 \n\t" \
138 "paddq %%mm2, %%mm1 \n\t" \
139 "movd 4(%%edi), %%mm3 \n\t" \
140 "paddq %%mm4, %%mm3 \n\t" \
141 "movd 8(%%edi), %%mm5 \n\t" \
142 "paddq %%mm6, %%mm5 \n\t" \
143 "movd 12(%%edi), %%mm4 \n\t" \
144 "paddq %%mm4, %%mm7 \n\t" \
145 "movd %%mm1, (%%edi) \n\t" \
146 "movd 16(%%esi), %%mm2 \n\t" \
147 "pmuludq %%mm0, %%mm2 \n\t" \
148 "psrlq $32, %%mm1 \n\t" \
149 "movd 20(%%esi), %%mm4 \n\t" \
150 "pmuludq %%mm0, %%mm4 \n\t" \
151 "paddq %%mm3, %%mm1 \n\t" \
152 "movd 24(%%esi), %%mm6 \n\t" \
153 "pmuludq %%mm0, %%mm6 \n\t" \
154 "movd %%mm1, 4(%%edi) \n\t" \
155 "psrlq $32, %%mm1 \n\t" \
156 "movd 28(%%esi), %%mm3 \n\t" \
157 "pmuludq %%mm0, %%mm3 \n\t" \
158 "paddq %%mm5, %%mm1 \n\t" \
159 "movd 16(%%edi), %%mm5 \n\t" \
160 "paddq %%mm5, %%mm2 \n\t" \
161 "movd %%mm1, 8(%%edi) \n\t" \
162 "psrlq $32, %%mm1 \n\t" \
163 "paddq %%mm7, %%mm1 \n\t" \
164 "movd 20(%%edi), %%mm5 \n\t" \
165 "paddq %%mm5, %%mm4 \n\t" \
166 "movd %%mm1, 12(%%edi) \n\t" \
167 "psrlq $32, %%mm1 \n\t" \
168 "paddq %%mm2, %%mm1 \n\t" \
169 "movd 24(%%edi), %%mm5 \n\t" \
170 "paddq %%mm5, %%mm6 \n\t" \
171 "movd %%mm1, 16(%%edi) \n\t" \
172 "psrlq $32, %%mm1 \n\t" \
173 "paddq %%mm4, %%mm1 \n\t" \
174 "movd 28(%%edi), %%mm5 \n\t" \
175 "paddq %%mm5, %%mm3 \n\t" \
176 "movd %%mm1, 20(%%edi) \n\t" \
177 "psrlq $32, %%mm1 \n\t" \
178 "paddq %%mm6, %%mm1 \n\t" \
179 "movd %%mm1, 24(%%edi) \n\t" \
180 "psrlq $32, %%mm1 \n\t" \
181 "paddq %%mm3, %%mm1 \n\t" \
182 "movd %%mm1, 28(%%edi) \n\t" \
183 "addl $32, %%edi \n\t" \
184 "addl $32, %%esi \n\t" \
185 "psrlq $32, %%mm1 \n\t" \
186 "movd %%mm1, %%ecx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]187
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]188#define MULADDC_STOP \
189 "emms \n\t" \
190 "movl %4, %%ebx \n\t" \
191 "movl %%ecx, %1 \n\t" \
192 "movl %%edi, %2 \n\t" \
193 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]194 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
195 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
Simon Butcher53571642018-06-24 12:58:31 +0100[diff] [blame]196 : "eax", "ebx", "ecx", "edx", "esi", "edi" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]197 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]198
199#else
200
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]201#define MULADDC_STOP \
202 "movl %4, %%ebx \n\t" \
203 "movl %%ecx, %1 \n\t" \
204 "movl %%edi, %2 \n\t" \
205 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]206 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
207 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
Simon Butcher53571642018-06-24 12:58:31 +0100[diff] [blame]208 : "eax", "ebx", "ecx", "edx", "esi", "edi" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]209 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]210#endif /* SSE2 */
211#endif /* i386 */
212
213#if defined(__amd64__) || defined (__x86_64__)
214
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]215#define MULADDC_INIT \
216 asm( \
Simon Butchera86de142018-09-30 12:09:47 +0100[diff] [blame]217 "xorq %%r8, %%r8\n"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]218
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]219#define MULADDC_CORE \
Simon Butchera86de142018-09-30 12:09:47 +0100[diff] [blame]220 "movq (%%rsi), %%rax\n" \
221 "mulq %%rbx\n" \
222 "addq $8, %%rsi\n" \
223 "addq %%rcx, %%rax\n" \
224 "movq %%r8, %%rcx\n" \
225 "adcq $0, %%rdx\n" \
226 "nop \n" \
227 "addq %%rax, (%%rdi)\n" \
228 "adcq %%rdx, %%rcx\n" \
229 "addq $8, %%rdi\n"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]230
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]231#define MULADDC_STOP \
James Cowgill21e402a2015-12-17 01:51:09 +0000[diff] [blame]232 : "+c" (c), "+D" (d), "+S" (s) \
233 : "b" (b) \
234 : "rax", "rdx", "r8" \
Manuel Pégourié-Gonnarddef018d2014-01-07 17:50:46 +0100[diff] [blame]235 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]236
237#endif /* AMD64 */
238
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]239#if defined(__aarch64__)
240
241#define MULADDC_INIT \
242 asm(
243
244#define MULADDC_CORE \
Ko-cb260bb2018-08-20 13:59:53 +0100[diff] [blame]245 "ldr x4, [%2], #8 \n\t" \
246 "ldr x5, [%1] \n\t" \
247 "mul x6, x4, %3 \n\t" \
248 "umulh x7, x4, %3 \n\t" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]249 "adds x5, x5, x6 \n\t" \
250 "adc x7, x7, xzr \n\t" \
Ko-cb260bb2018-08-20 13:59:53 +0100[diff] [blame]251 "adds x5, x5, %0 \n\t" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]252 "adc %0, x7, xzr \n\t" \
253 "str x5, [%1], #8 \n\t"
254
Ko-cb260bb2018-08-20 13:59:53 +0100[diff] [blame]255#define MULADDC_STOP \
256 : "+r" (c), "+r" (d), "+r" (s) \
257 : "r" (b) \
258 : "x4", "x5", "x6", "x7", "cc" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]259 );
260
261#endif /* Aarch64 */
262
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]263#if defined(__mc68020__) || defined(__mcpu32__)
264
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]265#define MULADDC_INIT \
266 asm( \
267 "movl %3, %%a2 \n\t" \
268 "movl %4, %%a3 \n\t" \
269 "movl %5, %%d3 \n\t" \
270 "movl %6, %%d2 \n\t" \
271 "moveq #0, %%d0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]272
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]273#define MULADDC_CORE \
274 "movel %%a2@+, %%d1 \n\t" \
275 "mulul %%d2, %%d4:%%d1 \n\t" \
276 "addl %%d3, %%d1 \n\t" \
277 "addxl %%d0, %%d4 \n\t" \
278 "moveq #0, %%d3 \n\t" \
279 "addl %%d1, %%a3@+ \n\t" \
280 "addxl %%d4, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]281
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]282#define MULADDC_STOP \
283 "movl %%d3, %0 \n\t" \
284 "movl %%a3, %1 \n\t" \
285 "movl %%a2, %2 \n\t" \
Manuel Pégourié-Gonnard3b05e4c2014-01-10 15:30:23 +0100[diff] [blame]286 : "=m" (c), "=m" (d), "=m" (s) \
287 : "m" (s), "m" (d), "m" (c), "m" (b) \
288 : "d0", "d1", "d2", "d3", "d4", "a2", "a3" \
289 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]290
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]291#define MULADDC_HUIT \
292 "movel %%a2@+, %%d1 \n\t" \
293 "mulul %%d2, %%d4:%%d1 \n\t" \
294 "addxl %%d3, %%d1 \n\t" \
295 "addxl %%d0, %%d4 \n\t" \
296 "addl %%d1, %%a3@+ \n\t" \
297 "movel %%a2@+, %%d1 \n\t" \
298 "mulul %%d2, %%d3:%%d1 \n\t" \
299 "addxl %%d4, %%d1 \n\t" \
300 "addxl %%d0, %%d3 \n\t" \
301 "addl %%d1, %%a3@+ \n\t" \
302 "movel %%a2@+, %%d1 \n\t" \
303 "mulul %%d2, %%d4:%%d1 \n\t" \
304 "addxl %%d3, %%d1 \n\t" \
305 "addxl %%d0, %%d4 \n\t" \
306 "addl %%d1, %%a3@+ \n\t" \
307 "movel %%a2@+, %%d1 \n\t" \
308 "mulul %%d2, %%d3:%%d1 \n\t" \
309 "addxl %%d4, %%d1 \n\t" \
310 "addxl %%d0, %%d3 \n\t" \
311 "addl %%d1, %%a3@+ \n\t" \
312 "movel %%a2@+, %%d1 \n\t" \
313 "mulul %%d2, %%d4:%%d1 \n\t" \
314 "addxl %%d3, %%d1 \n\t" \
315 "addxl %%d0, %%d4 \n\t" \
316 "addl %%d1, %%a3@+ \n\t" \
317 "movel %%a2@+, %%d1 \n\t" \
318 "mulul %%d2, %%d3:%%d1 \n\t" \
319 "addxl %%d4, %%d1 \n\t" \
320 "addxl %%d0, %%d3 \n\t" \
321 "addl %%d1, %%a3@+ \n\t" \
322 "movel %%a2@+, %%d1 \n\t" \
323 "mulul %%d2, %%d4:%%d1 \n\t" \
324 "addxl %%d3, %%d1 \n\t" \
325 "addxl %%d0, %%d4 \n\t" \
326 "addl %%d1, %%a3@+ \n\t" \
327 "movel %%a2@+, %%d1 \n\t" \
328 "mulul %%d2, %%d3:%%d1 \n\t" \
329 "addxl %%d4, %%d1 \n\t" \
330 "addxl %%d0, %%d3 \n\t" \
331 "addl %%d1, %%a3@+ \n\t" \
332 "addxl %%d0, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]333
334#endif /* MC68000 */
335
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]336#if defined(__powerpc64__) || defined(__ppc64__)
337
338#if defined(__MACH__) && defined(__APPLE__)
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 );
371
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]372
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]373#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]374
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]375#define MULADDC_INIT \
376 asm( \
377 "ld %%r3, %3 \n\t" \
378 "ld %%r4, %4 \n\t" \
379 "ld %%r5, %5 \n\t" \
380 "ld %%r6, %6 \n\t" \
381 "addi %%r3, %%r3, -8 \n\t" \
382 "addi %%r4, %%r4, -8 \n\t" \
383 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]384
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]385#define MULADDC_CORE \
386 "ldu %%r7, 8(%%r3) \n\t" \
387 "mulld %%r8, %%r7, %%r6 \n\t" \
388 "mulhdu %%r9, %%r7, %%r6 \n\t" \
389 "adde %%r8, %%r8, %%r5 \n\t" \
390 "ld %%r7, 8(%%r4) \n\t" \
391 "addze %%r5, %%r9 \n\t" \
392 "addc %%r8, %%r8, %%r7 \n\t" \
393 "stdu %%r8, 8(%%r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]394
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]395#define MULADDC_STOP \
396 "addze %%r5, %%r5 \n\t" \
397 "addi %%r4, %%r4, 8 \n\t" \
398 "addi %%r3, %%r3, 8 \n\t" \
399 "std %%r5, %0 \n\t" \
400 "std %%r4, %1 \n\t" \
401 "std %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]402 : "=m" (c), "=m" (d), "=m" (s) \
403 : "m" (s), "m" (d), "m" (c), "m" (b) \
404 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
405 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]406
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]407#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]408
Barry K. Nathan35e7cb92014-05-05 23:26:13 -0700[diff] [blame]409#elif defined(__powerpc__) || defined(__ppc__) /* end PPC64/begin PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]410
411#if defined(__MACH__) && defined(__APPLE__)
412
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]413#define MULADDC_INIT \
414 asm( \
415 "lwz r3, %3 \n\t" \
416 "lwz r4, %4 \n\t" \
417 "lwz r5, %5 \n\t" \
418 "lwz r6, %6 \n\t" \
419 "addi r3, r3, -4 \n\t" \
420 "addi r4, r4, -4 \n\t" \
421 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]422
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]423#define MULADDC_CORE \
424 "lwzu r7, 4(r3) \n\t" \
425 "mullw r8, r7, r6 \n\t" \
426 "mulhwu r9, r7, r6 \n\t" \
427 "adde r8, r8, r5 \n\t" \
428 "lwz r7, 4(r4) \n\t" \
429 "addze r5, r9 \n\t" \
430 "addc r8, r8, r7 \n\t" \
431 "stwu r8, 4(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]432
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]433#define MULADDC_STOP \
434 "addze r5, r5 \n\t" \
435 "addi r4, r4, 4 \n\t" \
436 "addi r3, r3, 4 \n\t" \
437 "stw r5, %0 \n\t" \
438 "stw r4, %1 \n\t" \
439 "stw r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]440 : "=m" (c), "=m" (d), "=m" (s) \
441 : "m" (s), "m" (d), "m" (c), "m" (b) \
442 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
443 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]444
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]445#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]446
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]447#define MULADDC_INIT \
448 asm( \
449 "lwz %%r3, %3 \n\t" \
450 "lwz %%r4, %4 \n\t" \
451 "lwz %%r5, %5 \n\t" \
452 "lwz %%r6, %6 \n\t" \
453 "addi %%r3, %%r3, -4 \n\t" \
454 "addi %%r4, %%r4, -4 \n\t" \
455 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]456
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]457#define MULADDC_CORE \
458 "lwzu %%r7, 4(%%r3) \n\t" \
459 "mullw %%r8, %%r7, %%r6 \n\t" \
460 "mulhwu %%r9, %%r7, %%r6 \n\t" \
461 "adde %%r8, %%r8, %%r5 \n\t" \
462 "lwz %%r7, 4(%%r4) \n\t" \
463 "addze %%r5, %%r9 \n\t" \
464 "addc %%r8, %%r8, %%r7 \n\t" \
465 "stwu %%r8, 4(%%r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]466
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]467#define MULADDC_STOP \
468 "addze %%r5, %%r5 \n\t" \
469 "addi %%r4, %%r4, 4 \n\t" \
470 "addi %%r3, %%r3, 4 \n\t" \
471 "stw %%r5, %0 \n\t" \
472 "stw %%r4, %1 \n\t" \
473 "stw %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]474 : "=m" (c), "=m" (d), "=m" (s) \
475 : "m" (s), "m" (d), "m" (c), "m" (b) \
476 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
477 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]478
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]479#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]480
481#endif /* PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]482
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200[diff] [blame]483/*
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]484 * The Sparc(64) assembly is reported to be broken.
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200[diff] [blame]485 * Disable it for now, until we're able to fix it.
486 */
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]487#if 0 && defined(__sparc__)
488#if defined(__sparc64__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]489
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]490#define MULADDC_INIT \
491 asm( \
492 "ldx %3, %%o0 \n\t" \
493 "ldx %4, %%o1 \n\t" \
494 "ld %5, %%o2 \n\t" \
495 "ld %6, %%o3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]496
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]497#define MULADDC_CORE \
498 "ld [%%o0], %%o4 \n\t" \
499 "inc 4, %%o0 \n\t" \
500 "ld [%%o1], %%o5 \n\t" \
501 "umul %%o3, %%o4, %%o4 \n\t" \
502 "addcc %%o4, %%o2, %%o4 \n\t" \
503 "rd %%y, %%g1 \n\t" \
504 "addx %%g1, 0, %%g1 \n\t" \
505 "addcc %%o4, %%o5, %%o4 \n\t" \
506 "st %%o4, [%%o1] \n\t" \
507 "addx %%g1, 0, %%o2 \n\t" \
508 "inc 4, %%o1 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]509
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]510 #define MULADDC_STOP \
511 "st %%o2, %0 \n\t" \
512 "stx %%o1, %1 \n\t" \
513 "stx %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]514 : "=m" (c), "=m" (d), "=m" (s) \
515 : "m" (s), "m" (d), "m" (c), "m" (b) \
516 : "g1", "o0", "o1", "o2", "o3", "o4", \
517 "o5" \
518 );
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]519
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]520#else /* __sparc64__ */
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]521
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]522#define MULADDC_INIT \
523 asm( \
524 "ld %3, %%o0 \n\t" \
525 "ld %4, %%o1 \n\t" \
526 "ld %5, %%o2 \n\t" \
527 "ld %6, %%o3 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]528
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]529#define MULADDC_CORE \
530 "ld [%%o0], %%o4 \n\t" \
531 "inc 4, %%o0 \n\t" \
532 "ld [%%o1], %%o5 \n\t" \
533 "umul %%o3, %%o4, %%o4 \n\t" \
534 "addcc %%o4, %%o2, %%o4 \n\t" \
535 "rd %%y, %%g1 \n\t" \
536 "addx %%g1, 0, %%g1 \n\t" \
537 "addcc %%o4, %%o5, %%o4 \n\t" \
538 "st %%o4, [%%o1] \n\t" \
539 "addx %%g1, 0, %%o2 \n\t" \
540 "inc 4, %%o1 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]541
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]542#define MULADDC_STOP \
543 "st %%o2, %0 \n\t" \
544 "st %%o1, %1 \n\t" \
545 "st %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]546 : "=m" (c), "=m" (d), "=m" (s) \
547 : "m" (s), "m" (d), "m" (c), "m" (b) \
548 : "g1", "o0", "o1", "o2", "o3", "o4", \
549 "o5" \
550 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]551
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]552#endif /* __sparc64__ */
553#endif /* __sparc__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]554
555#if defined(__microblaze__) || defined(microblaze)
556
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]557#define MULADDC_INIT \
558 asm( \
559 "lwi r3, %3 \n\t" \
560 "lwi r4, %4 \n\t" \
561 "lwi r5, %5 \n\t" \
562 "lwi r6, %6 \n\t" \
563 "andi r7, r6, 0xffff \n\t" \
564 "bsrli r6, r6, 16 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]565
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]566#define MULADDC_CORE \
567 "lhui r8, r3, 0 \n\t" \
568 "addi r3, r3, 2 \n\t" \
569 "lhui r9, r3, 0 \n\t" \
570 "addi r3, r3, 2 \n\t" \
571 "mul r10, r9, r6 \n\t" \
572 "mul r11, r8, r7 \n\t" \
573 "mul r12, r9, r7 \n\t" \
574 "mul r13, r8, r6 \n\t" \
575 "bsrli r8, r10, 16 \n\t" \
576 "bsrli r9, r11, 16 \n\t" \
577 "add r13, r13, r8 \n\t" \
578 "add r13, r13, r9 \n\t" \
579 "bslli r10, r10, 16 \n\t" \
580 "bslli r11, r11, 16 \n\t" \
581 "add r12, r12, r10 \n\t" \
582 "addc r13, r13, r0 \n\t" \
583 "add r12, r12, r11 \n\t" \
584 "addc r13, r13, r0 \n\t" \
585 "lwi r10, r4, 0 \n\t" \
586 "add r12, r12, r10 \n\t" \
587 "addc r13, r13, r0 \n\t" \
588 "add r12, r12, r5 \n\t" \
589 "addc r5, r13, r0 \n\t" \
590 "swi r12, r4, 0 \n\t" \
591 "addi r4, r4, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]592
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]593#define MULADDC_STOP \
594 "swi r5, %0 \n\t" \
595 "swi r4, %1 \n\t" \
596 "swi r3, %2 \n\t" \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]597 : "=m" (c), "=m" (d), "=m" (s) \
598 : "m" (s), "m" (d), "m" (c), "m" (b) \
Zach van Rijne7d3f8e2018-05-21 10:52:34 -0400[diff] [blame]599 : "r3", "r4", "r5", "r6", "r7", "r8", \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]600 "r9", "r10", "r11", "r12", "r13" \
601 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]602
603#endif /* MicroBlaze */
604
605#if defined(__tricore__)
606
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]607#define MULADDC_INIT \
608 asm( \
609 "ld.a %%a2, %3 \n\t" \
610 "ld.a %%a3, %4 \n\t" \
611 "ld.w %%d4, %5 \n\t" \
612 "ld.w %%d1, %6 \n\t" \
613 "xor %%d5, %%d5 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]614
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]615#define MULADDC_CORE \
616 "ld.w %%d0, [%%a2+] \n\t" \
617 "madd.u %%e2, %%e4, %%d0, %%d1 \n\t" \
618 "ld.w %%d0, [%%a3] \n\t" \
619 "addx %%d2, %%d2, %%d0 \n\t" \
620 "addc %%d3, %%d3, 0 \n\t" \
621 "mov %%d4, %%d3 \n\t" \
622 "st.w [%%a3+], %%d2 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]623
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]624#define MULADDC_STOP \
625 "st.w %0, %%d4 \n\t" \
626 "st.a %1, %%a3 \n\t" \
627 "st.a %2, %%a2 \n\t" \
Manuel Pégourié-Gonnard3f687ad2014-01-10 15:47:50 +0100[diff] [blame]628 : "=m" (c), "=m" (d), "=m" (s) \
629 : "m" (s), "m" (d), "m" (c), "m" (b) \
630 : "d0", "d1", "e2", "d4", "a2", "a3" \
631 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]632
633#endif /* TriCore */
634
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]635/*
Simon Butcher3ad2efd2018-05-02 14:49:38 +0100[diff] [blame]636 * Note, gcc -O0 by default uses r7 for the frame pointer, so it complains about
637 * our use of r7 below, unless -fomit-frame-pointer is passed.
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]638 *
639 * On the other hand, -fomit-frame-pointer is implied by any -Ox options with
640 * x !=0, which we can detect using __OPTIMIZE__ (which is also defined by
641 * clang and armcc5 under the same conditions).
642 *
643 * So, only use the optimized assembly below for optimized build, which avoids
644 * the build error and is pretty reasonable anyway.
645 */
646#if defined(__GNUC__) && !defined(__OPTIMIZE__)
Manuel Pégourié-Gonnard365f3252016-01-08 14:58:45 +0100[diff] [blame]647#define MULADDC_CANNOT_USE_R7
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]648#endif
649
Manuel Pégourié-Gonnard365f3252016-01-08 14:58:45 +0100[diff] [blame]650#if defined(__arm__) && !defined(MULADDC_CANNOT_USE_R7)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]651
Paul Bakkerfc4f46f2013-06-24 19:23:56 +0200[diff] [blame]652#if defined(__thumb__) && !defined(__thumb2__)
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]653
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]654#define MULADDC_INIT \
655 asm( \
656 "ldr r0, %3 \n\t" \
657 "ldr r1, %4 \n\t" \
658 "ldr r2, %5 \n\t" \
659 "ldr r3, %6 \n\t" \
660 "lsr r7, r3, #16 \n\t" \
661 "mov r9, r7 \n\t" \
662 "lsl r7, r3, #16 \n\t" \
663 "lsr r7, r7, #16 \n\t" \
664 "mov r8, r7 \n\t"
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]665
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]666#define MULADDC_CORE \
667 "ldmia r0!, {r6} \n\t" \
668 "lsr r7, r6, #16 \n\t" \
669 "lsl r6, r6, #16 \n\t" \
670 "lsr r6, r6, #16 \n\t" \
671 "mov r4, r8 \n\t" \
672 "mul r4, r6 \n\t" \
673 "mov r3, r9 \n\t" \
674 "mul r6, r3 \n\t" \
675 "mov r5, r9 \n\t" \
676 "mul r5, r7 \n\t" \
677 "mov r3, r8 \n\t" \
678 "mul r7, r3 \n\t" \
679 "lsr r3, r6, #16 \n\t" \
680 "add r5, r5, r3 \n\t" \
681 "lsr r3, r7, #16 \n\t" \
682 "add r5, r5, r3 \n\t" \
683 "add r4, r4, r2 \n\t" \
684 "mov r2, #0 \n\t" \
685 "adc r5, r2 \n\t" \
686 "lsl r3, r6, #16 \n\t" \
687 "add r4, r4, r3 \n\t" \
688 "adc r5, r2 \n\t" \
689 "lsl r3, r7, #16 \n\t" \
690 "add r4, r4, r3 \n\t" \
691 "adc r5, r2 \n\t" \
692 "ldr r3, [r1] \n\t" \
693 "add r4, r4, r3 \n\t" \
694 "adc r2, r5 \n\t" \
695 "stmia r1!, {r4} \n\t"
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]696
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]697#define MULADDC_STOP \
698 "str r2, %0 \n\t" \
699 "str r1, %1 \n\t" \
700 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]701 : "=m" (c), "=m" (d), "=m" (s) \
702 : "m" (s), "m" (d), "m" (c), "m" (b) \
703 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]704 "r6", "r7", "r8", "r9", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]705 );
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]706
Aurelien Jarno5daa34f2018-11-03 00:46:06 +0100[diff] [blame]707#elif (__ARM_ARCH >= 6) && \
708 defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
Aurelien Jarno16b1bd82018-05-21 22:01:21 +0200[diff] [blame]709
710#define MULADDC_INIT \
711 asm(
712
713#define MULADDC_CORE \
714 "ldr r0, [%0], #4 \n\t" \
715 "ldr r1, [%1] \n\t" \
716 "umaal r1, %2, %3, r0 \n\t" \
717 "str r1, [%1], #4 \n\t"
718
719#define MULADDC_STOP \
720 : "=r" (s), "=r" (d), "=r" (c) \
721 : "r" (b), "0" (s), "1" (d), "2" (c) \
722 : "r0", "r1", "memory" \
723 );
724
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]725#else
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]726
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]727#define MULADDC_INIT \
728 asm( \
729 "ldr r0, %3 \n\t" \
730 "ldr r1, %4 \n\t" \
731 "ldr r2, %5 \n\t" \
732 "ldr r3, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]733
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]734#define MULADDC_CORE \
735 "ldr r4, [r0], #4 \n\t" \
736 "mov r5, #0 \n\t" \
737 "ldr r6, [r1] \n\t" \
738 "umlal r2, r5, r3, r4 \n\t" \
739 "adds r7, r6, r2 \n\t" \
740 "adc r2, r5, #0 \n\t" \
741 "str r7, [r1], #4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]742
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]743#define MULADDC_STOP \
744 "str r2, %0 \n\t" \
745 "str r1, %1 \n\t" \
746 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]747 : "=m" (c), "=m" (d), "=m" (s) \
748 : "m" (s), "m" (d), "m" (c), "m" (b) \
749 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]750 "r6", "r7", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]751 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]752
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]753#endif /* Thumb */
754
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]755#endif /* ARMv3 */
756
757#if defined(__alpha__)
758
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]759#define MULADDC_INIT \
760 asm( \
761 "ldq $1, %3 \n\t" \
762 "ldq $2, %4 \n\t" \
763 "ldq $3, %5 \n\t" \
764 "ldq $4, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]765
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]766#define MULADDC_CORE \
767 "ldq $6, 0($1) \n\t" \
768 "addq $1, 8, $1 \n\t" \
769 "mulq $6, $4, $7 \n\t" \
770 "umulh $6, $4, $6 \n\t" \
771 "addq $7, $3, $7 \n\t" \
772 "cmpult $7, $3, $3 \n\t" \
773 "ldq $5, 0($2) \n\t" \
774 "addq $7, $5, $7 \n\t" \
775 "cmpult $7, $5, $5 \n\t" \
776 "stq $7, 0($2) \n\t" \
777 "addq $2, 8, $2 \n\t" \
778 "addq $6, $3, $3 \n\t" \
779 "addq $5, $3, $3 \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 "stq $3, %0 \n\t" \
783 "stq $2, %1 \n\t" \
784 "stq $1, %2 \n\t" \
Manuel Pégourié-Gonnard5af8e642014-01-10 15:53:41 +0100[diff] [blame]785 : "=m" (c), "=m" (d), "=m" (s) \
786 : "m" (s), "m" (d), "m" (c), "m" (b) \
787 : "$1", "$2", "$3", "$4", "$5", "$6", "$7" \
788 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]789#endif /* Alpha */
790
James Cowgilld1e7e8b2014-12-16 15:24:06 +0000[diff] [blame]791#if defined(__mips__) && !defined(__mips64)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]792
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]793#define MULADDC_INIT \
794 asm( \
795 "lw $10, %3 \n\t" \
796 "lw $11, %4 \n\t" \
797 "lw $12, %5 \n\t" \
798 "lw $13, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]799
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]800#define MULADDC_CORE \
801 "lw $14, 0($10) \n\t" \
802 "multu $13, $14 \n\t" \
803 "addi $10, $10, 4 \n\t" \
804 "mflo $14 \n\t" \
805 "mfhi $9 \n\t" \
806 "addu $14, $12, $14 \n\t" \
807 "lw $15, 0($11) \n\t" \
808 "sltu $12, $14, $12 \n\t" \
809 "addu $15, $14, $15 \n\t" \
810 "sltu $14, $15, $14 \n\t" \
811 "addu $12, $12, $9 \n\t" \
812 "sw $15, 0($11) \n\t" \
813 "addu $12, $12, $14 \n\t" \
814 "addi $11, $11, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]815
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]816#define MULADDC_STOP \
817 "sw $12, %0 \n\t" \
818 "sw $11, %1 \n\t" \
819 "sw $10, %2 \n\t" \
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]820 : "=m" (c), "=m" (d), "=m" (s) \
821 : "m" (s), "m" (d), "m" (c), "m" (b) \
Jeffrey Martind25fd8d2019-01-14 18:01:40 -0600[diff] [blame]822 : "$9", "$10", "$11", "$12", "$13", "$14", "$15", "lo", "hi" \
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]823 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]824
825#endif /* MIPS */
826#endif /* GNUC */
827
828#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
829
830#define MULADDC_INIT \
831 __asm mov esi, s \
832 __asm mov edi, d \
833 __asm mov ecx, c \
834 __asm mov ebx, b
835
836#define MULADDC_CORE \
837 __asm lodsd \
838 __asm mul ebx \
839 __asm add eax, ecx \
840 __asm adc edx, 0 \
841 __asm add eax, [edi] \
842 __asm adc edx, 0 \
843 __asm mov ecx, edx \
844 __asm stosd
845
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]846#if defined(MBEDTLS_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]847
848#define EMIT __asm _emit
849
850#define MULADDC_HUIT \
851 EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
852 EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
853 EMIT 0x0F EMIT 0x6E EMIT 0x1F \
854 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
855 EMIT 0x0F EMIT 0x6E EMIT 0x16 \
856 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
857 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
858 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
859 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
860 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
861 EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
862 EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
863 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
864 EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
865 EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
866 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
867 EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
868 EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
869 EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
870 EMIT 0x0F EMIT 0x7E EMIT 0x0F \
871 EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
872 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
873 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
874 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
875 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
876 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
877 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
878 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
879 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
880 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
881 EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
882 EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
883 EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
884 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
885 EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
886 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
887 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
888 EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
889 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
890 EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
891 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
892 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
893 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
894 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
895 EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
896 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
897 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
898 EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
899 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
900 EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
901 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
902 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
903 EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
904 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
905 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
906 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
907 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
908 EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
909 EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
910 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
911 EMIT 0x0F EMIT 0x7E EMIT 0xC9
912
913#define MULADDC_STOP \
914 EMIT 0x0F EMIT 0x77 \
915 __asm mov c, ecx \
916 __asm mov d, edi \
917 __asm mov s, esi \
918
919#else
920
921#define MULADDC_STOP \
922 __asm mov c, ecx \
923 __asm mov d, edi \
924 __asm mov s, esi \
925
926#endif /* SSE2 */
927#endif /* MSVC */
928
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]929#endif /* MBEDTLS_HAVE_ASM */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]930
931#if !defined(MULADDC_CORE)
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]932#if defined(MBEDTLS_HAVE_UDBL)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]933
934#define MULADDC_INIT \
935{ \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]936 mbedtls_t_udbl r; \
937 mbedtls_mpi_uint r0, r1;
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]938
939#define MULADDC_CORE \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]940 r = *(s++) * (mbedtls_t_udbl) b; \
941 r0 = (mbedtls_mpi_uint) r; \
942 r1 = (mbedtls_mpi_uint)( r >> biL ); \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]943 r0 += c; r1 += (r0 < c); \
944 r0 += *d; r1 += (r0 < *d); \
945 c = r1; *(d++) = r0;
946
947#define MULADDC_STOP \
948}
949
950#else
951#define MULADDC_INIT \
952{ \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]953 mbedtls_mpi_uint s0, s1, b0, b1; \
954 mbedtls_mpi_uint r0, r1, rx, ry; \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]955 b0 = ( b << biH ) >> biH; \
956 b1 = ( b >> biH );
957
958#define MULADDC_CORE \
959 s0 = ( *s << biH ) >> biH; \
960 s1 = ( *s >> biH ); s++; \
961 rx = s0 * b1; r0 = s0 * b0; \
962 ry = s1 * b0; r1 = s1 * b1; \
963 r1 += ( rx >> biH ); \
964 r1 += ( ry >> biH ); \
965 rx <<= biH; ry <<= biH; \
966 r0 += rx; r1 += (r0 < rx); \
967 r0 += ry; r1 += (r0 < ry); \
968 r0 += c; r1 += (r0 < c); \
969 r0 += *d; r1 += (r0 < *d); \
970 c = r1; *(d++) = r0;
971
972#define MULADDC_STOP \
973}
974
975#endif /* C (generic) */
976#endif /* C (longlong) */
977
978#endif /* bn_mul.h */