TrustedFirmware Git Browser
Code Review Sign In
review.trustedfirmware.org / mirror / mbed-tls / refs/heads/2.28-sphinx-versioned-documentation / . / include / mbedtls / bn_mul.h
blob: a0bc4d061d3f9701648b9d0b78614b8c7fa0928c [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 Follathbc96a792021-06-24 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
Gilles Peskine1b6c09a2023-01-11 14:52:35 +0100[diff] [blame]54#define MBEDTLS_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)
Janos Follathbc96a792021-06-24 14:48:38 +0100[diff] [blame]59
Gilles Peskine1b6c09a2023-01-11 14:52:35 +0100[diff] [blame]60#define MBEDTLS_BYTES_TO_T_UINT_2(a, b) \
61 MBEDTLS_BYTES_TO_T_UINT_4(a, b, 0, 0)
Janos Follathbc96a792021-06-24 14:48:38 +0100[diff] [blame]62
Gilles Peskine1b6c09a2023-01-11 14:52:35 +0100[diff] [blame]63#define MBEDTLS_BYTES_TO_T_UINT_8(a, b, c, d, e, f, g, h) \
64 MBEDTLS_BYTES_TO_T_UINT_4(a, b, c, d), \
65 MBEDTLS_BYTES_TO_T_UINT_4(e, f, g, h)
Janos Follathbc96a792021-06-24 14:48:38 +0100[diff] [blame]66
67#else /* 64-bits */
68
Gilles Peskine1b6c09a2023-01-11 14:52:35 +0100[diff] [blame]69#define MBEDTLS_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)
Janos Follathbc96a792021-06-24 14:48:38 +0100[diff] [blame]78
Gilles Peskine1b6c09a2023-01-11 14:52:35 +0100[diff] [blame]79#define MBEDTLS_BYTES_TO_T_UINT_4(a, b, c, d) \
80 MBEDTLS_BYTES_TO_T_UINT_8(a, b, c, d, 0, 0, 0, 0)
Janos Follathbc96a792021-06-24 14:48:38 +0100[diff] [blame]81
Gilles Peskine1b6c09a2023-01-11 14:52:35 +0100[diff] [blame]82#define MBEDTLS_BYTES_TO_T_UINT_2(a, b) \
83 MBEDTLS_BYTES_TO_T_UINT_8(a, b, 0, 0, 0, 0, 0, 0)
Janos Follathbc96a792021-06-24 14:48:38 +0100[diff] [blame]84
85#endif /* bits in mbedtls_mpi_uint */
86
David Horstmannd6818e32023-01-04 17:50:08 +0000[diff] [blame]87/* *INDENT-OFF* */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]88#if defined(MBEDTLS_HAVE_ASM)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]89
Manuel Pégourié-Gonnardba194322015-05-29 09:47:57 +0200[diff] [blame]90#ifndef asm
91#define asm __asm
92#endif
93
Manuel Pégourié-Gonnard854dab92015-08-10 12:08:34 +0200[diff] [blame]94/* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */
95#if defined(__GNUC__) && \
96 ( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 )
Simon Butcher4b9a3ad2018-07-10 20:18:29 +0100[diff] [blame]97
98/*
Peter Korsgaard9d9d45c2018-08-27 22:50:57 +0200[diff] [blame]99 * GCC < 5.0 treated the x86 ebx (which is used for the GOT) as a
100 * fixed reserved register when building as PIC, leading to errors
101 * like: bn_mul.h:46:13: error: PIC register clobbered by 'ebx' in 'asm'
102 *
103 * This is fixed by an improved register allocator in GCC 5+. From the
104 * release notes:
105 * Register allocation improvements: Reuse of the PIC hard register,
106 * instead of using a fixed register, was implemented on x86/x86-64
107 * targets. This improves generated PIC code performance as more hard
108 * registers can be used.
109 */
110#if defined(__GNUC__) && __GNUC__ < 5 && defined(__PIC__)
111#define MULADDC_CANNOT_USE_EBX
112#endif
113
114/*
Simon Butcher4b9a3ad2018-07-10 20:18:29 +0100[diff] [blame]115 * Disable use of the i386 assembly code below if option -O0, to disable all
116 * compiler optimisations, is passed, detected with __OPTIMIZE__
117 * This is done as the number of registers used in the assembly code doesn't
118 * work with the -O0 option.
119 */
Peter Korsgaard9d9d45c2018-08-27 22:50:57 +0200[diff] [blame]120#if defined(__i386__) && defined(__OPTIMIZE__) && !defined(MULADDC_CANNOT_USE_EBX)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]121
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]122#define MULADDC_INIT \
123 asm( \
124 "movl %%ebx, %0 \n\t" \
125 "movl %5, %%esi \n\t" \
126 "movl %6, %%edi \n\t" \
127 "movl %7, %%ecx \n\t" \
128 "movl %8, %%ebx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]129
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]130#define MULADDC_CORE \
131 "lodsl \n\t" \
132 "mull %%ebx \n\t" \
133 "addl %%ecx, %%eax \n\t" \
134 "adcl $0, %%edx \n\t" \
135 "addl (%%edi), %%eax \n\t" \
136 "adcl $0, %%edx \n\t" \
137 "movl %%edx, %%ecx \n\t" \
138 "stosl \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]139
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]140#if defined(MBEDTLS_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]141
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]142#define MULADDC_HUIT \
143 "movd %%ecx, %%mm1 \n\t" \
144 "movd %%ebx, %%mm0 \n\t" \
145 "movd (%%edi), %%mm3 \n\t" \
146 "paddq %%mm3, %%mm1 \n\t" \
147 "movd (%%esi), %%mm2 \n\t" \
148 "pmuludq %%mm0, %%mm2 \n\t" \
149 "movd 4(%%esi), %%mm4 \n\t" \
150 "pmuludq %%mm0, %%mm4 \n\t" \
151 "movd 8(%%esi), %%mm6 \n\t" \
152 "pmuludq %%mm0, %%mm6 \n\t" \
153 "movd 12(%%esi), %%mm7 \n\t" \
154 "pmuludq %%mm0, %%mm7 \n\t" \
155 "paddq %%mm2, %%mm1 \n\t" \
156 "movd 4(%%edi), %%mm3 \n\t" \
157 "paddq %%mm4, %%mm3 \n\t" \
158 "movd 8(%%edi), %%mm5 \n\t" \
159 "paddq %%mm6, %%mm5 \n\t" \
160 "movd 12(%%edi), %%mm4 \n\t" \
161 "paddq %%mm4, %%mm7 \n\t" \
162 "movd %%mm1, (%%edi) \n\t" \
163 "movd 16(%%esi), %%mm2 \n\t" \
164 "pmuludq %%mm0, %%mm2 \n\t" \
165 "psrlq $32, %%mm1 \n\t" \
166 "movd 20(%%esi), %%mm4 \n\t" \
167 "pmuludq %%mm0, %%mm4 \n\t" \
168 "paddq %%mm3, %%mm1 \n\t" \
169 "movd 24(%%esi), %%mm6 \n\t" \
170 "pmuludq %%mm0, %%mm6 \n\t" \
171 "movd %%mm1, 4(%%edi) \n\t" \
172 "psrlq $32, %%mm1 \n\t" \
173 "movd 28(%%esi), %%mm3 \n\t" \
174 "pmuludq %%mm0, %%mm3 \n\t" \
175 "paddq %%mm5, %%mm1 \n\t" \
176 "movd 16(%%edi), %%mm5 \n\t" \
177 "paddq %%mm5, %%mm2 \n\t" \
178 "movd %%mm1, 8(%%edi) \n\t" \
179 "psrlq $32, %%mm1 \n\t" \
180 "paddq %%mm7, %%mm1 \n\t" \
181 "movd 20(%%edi), %%mm5 \n\t" \
182 "paddq %%mm5, %%mm4 \n\t" \
183 "movd %%mm1, 12(%%edi) \n\t" \
184 "psrlq $32, %%mm1 \n\t" \
185 "paddq %%mm2, %%mm1 \n\t" \
186 "movd 24(%%edi), %%mm5 \n\t" \
187 "paddq %%mm5, %%mm6 \n\t" \
188 "movd %%mm1, 16(%%edi) \n\t" \
189 "psrlq $32, %%mm1 \n\t" \
190 "paddq %%mm4, %%mm1 \n\t" \
191 "movd 28(%%edi), %%mm5 \n\t" \
192 "paddq %%mm5, %%mm3 \n\t" \
193 "movd %%mm1, 20(%%edi) \n\t" \
194 "psrlq $32, %%mm1 \n\t" \
195 "paddq %%mm6, %%mm1 \n\t" \
196 "movd %%mm1, 24(%%edi) \n\t" \
197 "psrlq $32, %%mm1 \n\t" \
198 "paddq %%mm3, %%mm1 \n\t" \
199 "movd %%mm1, 28(%%edi) \n\t" \
200 "addl $32, %%edi \n\t" \
201 "addl $32, %%esi \n\t" \
202 "psrlq $32, %%mm1 \n\t" \
203 "movd %%mm1, %%ecx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]204
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]205#define MULADDC_STOP \
206 "emms \n\t" \
207 "movl %4, %%ebx \n\t" \
208 "movl %%ecx, %1 \n\t" \
209 "movl %%edi, %2 \n\t" \
210 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]211 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
212 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
Simon Butcher53571642018-06-24 12:58:31 +0100[diff] [blame]213 : "eax", "ebx", "ecx", "edx", "esi", "edi" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]214 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]215
216#else
217
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]218#define MULADDC_STOP \
219 "movl %4, %%ebx \n\t" \
220 "movl %%ecx, %1 \n\t" \
221 "movl %%edi, %2 \n\t" \
222 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]223 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
224 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
Simon Butcher53571642018-06-24 12:58:31 +0100[diff] [blame]225 : "eax", "ebx", "ecx", "edx", "esi", "edi" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]226 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]227#endif /* SSE2 */
228#endif /* i386 */
229
230#if defined(__amd64__) || defined (__x86_64__)
231
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]232#define MULADDC_INIT \
233 asm( \
Simon Butchera86de142018-09-30 12:09:47 +0100[diff] [blame]234 "xorq %%r8, %%r8\n"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]235
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]236#define MULADDC_CORE \
Simon Butchera86de142018-09-30 12:09:47 +0100[diff] [blame]237 "movq (%%rsi), %%rax\n" \
238 "mulq %%rbx\n" \
239 "addq $8, %%rsi\n" \
240 "addq %%rcx, %%rax\n" \
241 "movq %%r8, %%rcx\n" \
242 "adcq $0, %%rdx\n" \
243 "nop \n" \
244 "addq %%rax, (%%rdi)\n" \
245 "adcq %%rdx, %%rcx\n" \
246 "addq $8, %%rdi\n"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]247
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]248#define MULADDC_STOP \
Gilles Peskinec6d977e2021-09-14 00:13:05 +0200[diff] [blame]249 : "+c" (c), "+D" (d), "+S" (s), "+m" (*(uint64_t (*)[16]) d) \
250 : "b" (b), "m" (*(const uint64_t (*)[16]) s) \
251 : "rax", "rdx", "r8" \
Manuel Pégourié-Gonnarddef018d2014-01-07 17:50:46 +0100[diff] [blame]252 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]253
254#endif /* AMD64 */
255
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]256#if defined(__aarch64__)
257
258#define MULADDC_INIT \
259 asm(
260
261#define MULADDC_CORE \
Ko-cb260bb2018-08-20 13:59:53 +0100[diff] [blame]262 "ldr x4, [%2], #8 \n\t" \
263 "ldr x5, [%1] \n\t" \
David Horstmanna23be222021-09-22 18:15:51 +0100[diff] [blame]264 "mul x6, x4, %4 \n\t" \
265 "umulh x7, x4, %4 \n\t" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]266 "adds x5, x5, x6 \n\t" \
267 "adc x7, x7, xzr \n\t" \
Ko-cb260bb2018-08-20 13:59:53 +0100[diff] [blame]268 "adds x5, x5, %0 \n\t" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]269 "adc %0, x7, xzr \n\t" \
270 "str x5, [%1], #8 \n\t"
271
David Horstmanna23be222021-09-22 18:15:51 +0100[diff] [blame]272#define MULADDC_STOP \
273 : "+r" (c), "+r" (d), "+r" (s), "+m" (*(uint64_t (*)[16]) d) \
274 : "r" (b), "m" (*(const uint64_t (*)[16]) s) \
275 : "x4", "x5", "x6", "x7", "cc" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]276 );
277
278#endif /* Aarch64 */
279
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]280#if defined(__mc68020__) || defined(__mcpu32__)
281
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]282#define MULADDC_INIT \
283 asm( \
284 "movl %3, %%a2 \n\t" \
285 "movl %4, %%a3 \n\t" \
286 "movl %5, %%d3 \n\t" \
287 "movl %6, %%d2 \n\t" \
288 "moveq #0, %%d0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]289
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]290#define MULADDC_CORE \
291 "movel %%a2@+, %%d1 \n\t" \
292 "mulul %%d2, %%d4:%%d1 \n\t" \
293 "addl %%d3, %%d1 \n\t" \
294 "addxl %%d0, %%d4 \n\t" \
295 "moveq #0, %%d3 \n\t" \
296 "addl %%d1, %%a3@+ \n\t" \
297 "addxl %%d4, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]298
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]299#define MULADDC_STOP \
300 "movl %%d3, %0 \n\t" \
301 "movl %%a3, %1 \n\t" \
302 "movl %%a2, %2 \n\t" \
Manuel Pégourié-Gonnard3b05e4c2014-01-10 15:30:23 +0100[diff] [blame]303 : "=m" (c), "=m" (d), "=m" (s) \
304 : "m" (s), "m" (d), "m" (c), "m" (b) \
305 : "d0", "d1", "d2", "d3", "d4", "a2", "a3" \
306 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]307
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]308#define MULADDC_HUIT \
309 "movel %%a2@+, %%d1 \n\t" \
310 "mulul %%d2, %%d4:%%d1 \n\t" \
311 "addxl %%d3, %%d1 \n\t" \
312 "addxl %%d0, %%d4 \n\t" \
313 "addl %%d1, %%a3@+ \n\t" \
314 "movel %%a2@+, %%d1 \n\t" \
315 "mulul %%d2, %%d3:%%d1 \n\t" \
316 "addxl %%d4, %%d1 \n\t" \
317 "addxl %%d0, %%d3 \n\t" \
318 "addl %%d1, %%a3@+ \n\t" \
319 "movel %%a2@+, %%d1 \n\t" \
320 "mulul %%d2, %%d4:%%d1 \n\t" \
321 "addxl %%d3, %%d1 \n\t" \
322 "addxl %%d0, %%d4 \n\t" \
323 "addl %%d1, %%a3@+ \n\t" \
324 "movel %%a2@+, %%d1 \n\t" \
325 "mulul %%d2, %%d3:%%d1 \n\t" \
326 "addxl %%d4, %%d1 \n\t" \
327 "addxl %%d0, %%d3 \n\t" \
328 "addl %%d1, %%a3@+ \n\t" \
329 "movel %%a2@+, %%d1 \n\t" \
330 "mulul %%d2, %%d4:%%d1 \n\t" \
331 "addxl %%d3, %%d1 \n\t" \
332 "addxl %%d0, %%d4 \n\t" \
333 "addl %%d1, %%a3@+ \n\t" \
334 "movel %%a2@+, %%d1 \n\t" \
335 "mulul %%d2, %%d3:%%d1 \n\t" \
336 "addxl %%d4, %%d1 \n\t" \
337 "addxl %%d0, %%d3 \n\t" \
338 "addl %%d1, %%a3@+ \n\t" \
339 "movel %%a2@+, %%d1 \n\t" \
340 "mulul %%d2, %%d4:%%d1 \n\t" \
341 "addxl %%d3, %%d1 \n\t" \
342 "addxl %%d0, %%d4 \n\t" \
343 "addl %%d1, %%a3@+ \n\t" \
344 "movel %%a2@+, %%d1 \n\t" \
345 "mulul %%d2, %%d3:%%d1 \n\t" \
346 "addxl %%d4, %%d1 \n\t" \
347 "addxl %%d0, %%d3 \n\t" \
348 "addl %%d1, %%a3@+ \n\t" \
349 "addxl %%d0, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]350
351#endif /* MC68000 */
352
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]353#if defined(__powerpc64__) || defined(__ppc64__)
354
355#if defined(__MACH__) && defined(__APPLE__)
356
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]357#define MULADDC_INIT \
358 asm( \
359 "ld r3, %3 \n\t" \
360 "ld r4, %4 \n\t" \
361 "ld r5, %5 \n\t" \
362 "ld r6, %6 \n\t" \
363 "addi r3, r3, -8 \n\t" \
364 "addi r4, r4, -8 \n\t" \
365 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]366
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]367#define MULADDC_CORE \
368 "ldu r7, 8(r3) \n\t" \
369 "mulld r8, r7, r6 \n\t" \
370 "mulhdu r9, r7, r6 \n\t" \
371 "adde r8, r8, r5 \n\t" \
372 "ld r7, 8(r4) \n\t" \
373 "addze r5, r9 \n\t" \
374 "addc r8, r8, r7 \n\t" \
375 "stdu r8, 8(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]376
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]377#define MULADDC_STOP \
378 "addze r5, r5 \n\t" \
379 "addi r4, r4, 8 \n\t" \
380 "addi r3, r3, 8 \n\t" \
381 "std r5, %0 \n\t" \
382 "std r4, %1 \n\t" \
383 "std r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]384 : "=m" (c), "=m" (d), "=m" (s) \
385 : "m" (s), "m" (d), "m" (c), "m" (b) \
386 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
387 );
388
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]389
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]390#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]391
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]392#define MULADDC_INIT \
393 asm( \
394 "ld %%r3, %3 \n\t" \
395 "ld %%r4, %4 \n\t" \
396 "ld %%r5, %5 \n\t" \
397 "ld %%r6, %6 \n\t" \
398 "addi %%r3, %%r3, -8 \n\t" \
399 "addi %%r4, %%r4, -8 \n\t" \
400 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]401
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]402#define MULADDC_CORE \
403 "ldu %%r7, 8(%%r3) \n\t" \
404 "mulld %%r8, %%r7, %%r6 \n\t" \
405 "mulhdu %%r9, %%r7, %%r6 \n\t" \
406 "adde %%r8, %%r8, %%r5 \n\t" \
407 "ld %%r7, 8(%%r4) \n\t" \
408 "addze %%r5, %%r9 \n\t" \
409 "addc %%r8, %%r8, %%r7 \n\t" \
410 "stdu %%r8, 8(%%r4) \n\t"
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_STOP \
413 "addze %%r5, %%r5 \n\t" \
414 "addi %%r4, %%r4, 8 \n\t" \
415 "addi %%r3, %%r3, 8 \n\t" \
416 "std %%r5, %0 \n\t" \
417 "std %%r4, %1 \n\t" \
418 "std %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]419 : "=m" (c), "=m" (d), "=m" (s) \
420 : "m" (s), "m" (d), "m" (c), "m" (b) \
421 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
422 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]423
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]424#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]425
Barry K. Nathan35e7cb92014-05-05 23:26:13 -0700[diff] [blame]426#elif defined(__powerpc__) || defined(__ppc__) /* end PPC64/begin PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]427
428#if defined(__MACH__) && defined(__APPLE__)
429
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]430#define MULADDC_INIT \
431 asm( \
432 "lwz r3, %3 \n\t" \
433 "lwz r4, %4 \n\t" \
434 "lwz r5, %5 \n\t" \
435 "lwz r6, %6 \n\t" \
436 "addi r3, r3, -4 \n\t" \
437 "addi r4, r4, -4 \n\t" \
438 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]439
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]440#define MULADDC_CORE \
441 "lwzu r7, 4(r3) \n\t" \
442 "mullw r8, r7, r6 \n\t" \
443 "mulhwu r9, r7, r6 \n\t" \
444 "adde r8, r8, r5 \n\t" \
445 "lwz r7, 4(r4) \n\t" \
446 "addze r5, r9 \n\t" \
447 "addc r8, r8, r7 \n\t" \
448 "stwu r8, 4(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]449
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]450#define MULADDC_STOP \
451 "addze r5, r5 \n\t" \
452 "addi r4, r4, 4 \n\t" \
453 "addi r3, r3, 4 \n\t" \
454 "stw r5, %0 \n\t" \
455 "stw r4, %1 \n\t" \
456 "stw r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]457 : "=m" (c), "=m" (d), "=m" (s) \
458 : "m" (s), "m" (d), "m" (c), "m" (b) \
459 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
460 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]461
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]462#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]463
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]464#define MULADDC_INIT \
465 asm( \
466 "lwz %%r3, %3 \n\t" \
467 "lwz %%r4, %4 \n\t" \
468 "lwz %%r5, %5 \n\t" \
469 "lwz %%r6, %6 \n\t" \
470 "addi %%r3, %%r3, -4 \n\t" \
471 "addi %%r4, %%r4, -4 \n\t" \
472 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]473
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]474#define MULADDC_CORE \
475 "lwzu %%r7, 4(%%r3) \n\t" \
476 "mullw %%r8, %%r7, %%r6 \n\t" \
477 "mulhwu %%r9, %%r7, %%r6 \n\t" \
478 "adde %%r8, %%r8, %%r5 \n\t" \
479 "lwz %%r7, 4(%%r4) \n\t" \
480 "addze %%r5, %%r9 \n\t" \
481 "addc %%r8, %%r8, %%r7 \n\t" \
482 "stwu %%r8, 4(%%r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]483
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]484#define MULADDC_STOP \
485 "addze %%r5, %%r5 \n\t" \
486 "addi %%r4, %%r4, 4 \n\t" \
487 "addi %%r3, %%r3, 4 \n\t" \
488 "stw %%r5, %0 \n\t" \
489 "stw %%r4, %1 \n\t" \
490 "stw %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]491 : "=m" (c), "=m" (d), "=m" (s) \
492 : "m" (s), "m" (d), "m" (c), "m" (b) \
493 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
494 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]495
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]496#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]497
498#endif /* PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]499
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200[diff] [blame]500/*
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]501 * The Sparc(64) assembly is reported to be broken.
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200[diff] [blame]502 * Disable it for now, until we're able to fix it.
503 */
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]504#if 0 && defined(__sparc__)
505#if defined(__sparc64__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]506
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]507#define MULADDC_INIT \
508 asm( \
509 "ldx %3, %%o0 \n\t" \
510 "ldx %4, %%o1 \n\t" \
511 "ld %5, %%o2 \n\t" \
512 "ld %6, %%o3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]513
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]514#define MULADDC_CORE \
515 "ld [%%o0], %%o4 \n\t" \
516 "inc 4, %%o0 \n\t" \
517 "ld [%%o1], %%o5 \n\t" \
518 "umul %%o3, %%o4, %%o4 \n\t" \
519 "addcc %%o4, %%o2, %%o4 \n\t" \
520 "rd %%y, %%g1 \n\t" \
521 "addx %%g1, 0, %%g1 \n\t" \
522 "addcc %%o4, %%o5, %%o4 \n\t" \
523 "st %%o4, [%%o1] \n\t" \
524 "addx %%g1, 0, %%o2 \n\t" \
525 "inc 4, %%o1 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]526
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]527 #define MULADDC_STOP \
528 "st %%o2, %0 \n\t" \
529 "stx %%o1, %1 \n\t" \
530 "stx %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]531 : "=m" (c), "=m" (d), "=m" (s) \
532 : "m" (s), "m" (d), "m" (c), "m" (b) \
533 : "g1", "o0", "o1", "o2", "o3", "o4", \
534 "o5" \
535 );
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]536
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]537#else /* __sparc64__ */
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]538
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]539#define MULADDC_INIT \
540 asm( \
541 "ld %3, %%o0 \n\t" \
542 "ld %4, %%o1 \n\t" \
543 "ld %5, %%o2 \n\t" \
544 "ld %6, %%o3 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]545
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]546#define MULADDC_CORE \
547 "ld [%%o0], %%o4 \n\t" \
548 "inc 4, %%o0 \n\t" \
549 "ld [%%o1], %%o5 \n\t" \
550 "umul %%o3, %%o4, %%o4 \n\t" \
551 "addcc %%o4, %%o2, %%o4 \n\t" \
552 "rd %%y, %%g1 \n\t" \
553 "addx %%g1, 0, %%g1 \n\t" \
554 "addcc %%o4, %%o5, %%o4 \n\t" \
555 "st %%o4, [%%o1] \n\t" \
556 "addx %%g1, 0, %%o2 \n\t" \
557 "inc 4, %%o1 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]558
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]559#define MULADDC_STOP \
560 "st %%o2, %0 \n\t" \
561 "st %%o1, %1 \n\t" \
562 "st %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]563 : "=m" (c), "=m" (d), "=m" (s) \
564 : "m" (s), "m" (d), "m" (c), "m" (b) \
565 : "g1", "o0", "o1", "o2", "o3", "o4", \
566 "o5" \
567 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]568
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]569#endif /* __sparc64__ */
570#endif /* __sparc__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]571
572#if defined(__microblaze__) || defined(microblaze)
573
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]574#define MULADDC_INIT \
575 asm( \
576 "lwi r3, %3 \n\t" \
577 "lwi r4, %4 \n\t" \
578 "lwi r5, %5 \n\t" \
579 "lwi r6, %6 \n\t" \
580 "andi r7, r6, 0xffff \n\t" \
581 "bsrli r6, r6, 16 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]582
Kazuyuki Kimura90b99bf2021-05-31 17:07:28 +0900[diff] [blame]583#if(__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
584#define MULADDC_LHUI \
585 "lhui r9, r3, 0 \n\t" \
586 "addi r3, r3, 2 \n\t" \
587 "lhui r8, r3, 0 \n\t"
588#else
589#define MULADDC_LHUI \
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]590 "lhui r8, r3, 0 \n\t" \
591 "addi r3, r3, 2 \n\t" \
Kazuyuki Kimura90b99bf2021-05-31 17:07:28 +0900[diff] [blame]592 "lhui r9, r3, 0 \n\t"
593#endif
594
595#define MULADDC_CORE \
596 MULADDC_LHUI \
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]597 "addi r3, r3, 2 \n\t" \
598 "mul r10, r9, r6 \n\t" \
599 "mul r11, r8, r7 \n\t" \
600 "mul r12, r9, r7 \n\t" \
601 "mul r13, r8, r6 \n\t" \
602 "bsrli r8, r10, 16 \n\t" \
603 "bsrli r9, r11, 16 \n\t" \
604 "add r13, r13, r8 \n\t" \
605 "add r13, r13, r9 \n\t" \
606 "bslli r10, r10, 16 \n\t" \
607 "bslli r11, r11, 16 \n\t" \
608 "add r12, r12, r10 \n\t" \
609 "addc r13, r13, r0 \n\t" \
610 "add r12, r12, r11 \n\t" \
611 "addc r13, r13, r0 \n\t" \
612 "lwi r10, r4, 0 \n\t" \
613 "add r12, r12, r10 \n\t" \
614 "addc r13, r13, r0 \n\t" \
615 "add r12, r12, r5 \n\t" \
616 "addc r5, r13, r0 \n\t" \
617 "swi r12, r4, 0 \n\t" \
618 "addi r4, r4, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]619
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]620#define MULADDC_STOP \
621 "swi r5, %0 \n\t" \
622 "swi r4, %1 \n\t" \
623 "swi r3, %2 \n\t" \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]624 : "=m" (c), "=m" (d), "=m" (s) \
625 : "m" (s), "m" (d), "m" (c), "m" (b) \
Zach van Rijne7d3f8e2018-05-21 10:52:34 -0400[diff] [blame]626 : "r3", "r4", "r5", "r6", "r7", "r8", \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]627 "r9", "r10", "r11", "r12", "r13" \
628 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]629
630#endif /* MicroBlaze */
631
632#if defined(__tricore__)
633
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]634#define MULADDC_INIT \
635 asm( \
636 "ld.a %%a2, %3 \n\t" \
637 "ld.a %%a3, %4 \n\t" \
638 "ld.w %%d4, %5 \n\t" \
639 "ld.w %%d1, %6 \n\t" \
640 "xor %%d5, %%d5 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]641
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]642#define MULADDC_CORE \
643 "ld.w %%d0, [%%a2+] \n\t" \
644 "madd.u %%e2, %%e4, %%d0, %%d1 \n\t" \
645 "ld.w %%d0, [%%a3] \n\t" \
646 "addx %%d2, %%d2, %%d0 \n\t" \
647 "addc %%d3, %%d3, 0 \n\t" \
648 "mov %%d4, %%d3 \n\t" \
649 "st.w [%%a3+], %%d2 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]650
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]651#define MULADDC_STOP \
652 "st.w %0, %%d4 \n\t" \
653 "st.a %1, %%a3 \n\t" \
654 "st.a %2, %%a2 \n\t" \
Manuel Pégourié-Gonnard3f687ad2014-01-10 15:47:50 +0100[diff] [blame]655 : "=m" (c), "=m" (d), "=m" (s) \
656 : "m" (s), "m" (d), "m" (c), "m" (b) \
657 : "d0", "d1", "e2", "d4", "a2", "a3" \
658 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]659
660#endif /* TriCore */
661
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]662/*
Simon Butcher3ad2efd2018-05-02 14:49:38 +0100[diff] [blame]663 * Note, gcc -O0 by default uses r7 for the frame pointer, so it complains about
664 * our use of r7 below, unless -fomit-frame-pointer is passed.
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]665 *
666 * On the other hand, -fomit-frame-pointer is implied by any -Ox options with
667 * x !=0, which we can detect using __OPTIMIZE__ (which is also defined by
668 * clang and armcc5 under the same conditions).
669 *
670 * So, only use the optimized assembly below for optimized build, which avoids
671 * the build error and is pretty reasonable anyway.
672 */
673#if defined(__GNUC__) && !defined(__OPTIMIZE__)
Manuel Pégourié-Gonnard365f3252016-01-08 14:58:45 +0100[diff] [blame]674#define MULADDC_CANNOT_USE_R7
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]675#endif
676
Manuel Pégourié-Gonnard365f3252016-01-08 14:58:45 +0100[diff] [blame]677#if defined(__arm__) && !defined(MULADDC_CANNOT_USE_R7)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]678
Paul Bakkerfc4f46f2013-06-24 19:23:56 +0200[diff] [blame]679#if defined(__thumb__) && !defined(__thumb2__)
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]680
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]681#define MULADDC_INIT \
682 asm( \
683 "ldr r0, %3 \n\t" \
684 "ldr r1, %4 \n\t" \
685 "ldr r2, %5 \n\t" \
686 "ldr r3, %6 \n\t" \
687 "lsr r7, r3, #16 \n\t" \
688 "mov r9, r7 \n\t" \
689 "lsl r7, r3, #16 \n\t" \
690 "lsr r7, r7, #16 \n\t" \
691 "mov r8, r7 \n\t"
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]692
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]693#define MULADDC_CORE \
694 "ldmia r0!, {r6} \n\t" \
695 "lsr r7, r6, #16 \n\t" \
696 "lsl r6, r6, #16 \n\t" \
697 "lsr r6, r6, #16 \n\t" \
698 "mov r4, r8 \n\t" \
699 "mul r4, r6 \n\t" \
700 "mov r3, r9 \n\t" \
701 "mul r6, r3 \n\t" \
702 "mov r5, r9 \n\t" \
703 "mul r5, r7 \n\t" \
704 "mov r3, r8 \n\t" \
705 "mul r7, r3 \n\t" \
706 "lsr r3, r6, #16 \n\t" \
707 "add r5, r5, r3 \n\t" \
708 "lsr r3, r7, #16 \n\t" \
709 "add r5, r5, r3 \n\t" \
710 "add r4, r4, r2 \n\t" \
711 "mov r2, #0 \n\t" \
712 "adc r5, r2 \n\t" \
713 "lsl r3, r6, #16 \n\t" \
714 "add r4, r4, r3 \n\t" \
715 "adc r5, r2 \n\t" \
716 "lsl r3, r7, #16 \n\t" \
717 "add r4, r4, r3 \n\t" \
718 "adc r5, r2 \n\t" \
719 "ldr r3, [r1] \n\t" \
720 "add r4, r4, r3 \n\t" \
721 "adc r2, r5 \n\t" \
722 "stmia r1!, {r4} \n\t"
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]723
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]724#define MULADDC_STOP \
725 "str r2, %0 \n\t" \
726 "str r1, %1 \n\t" \
727 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]728 : "=m" (c), "=m" (d), "=m" (s) \
729 : "m" (s), "m" (d), "m" (c), "m" (b) \
730 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]731 "r6", "r7", "r8", "r9", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]732 );
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]733
Aurelien Jarno5daa34f2018-11-03 00:46:06 +0100[diff] [blame]734#elif (__ARM_ARCH >= 6) && \
735 defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
Aurelien Jarno16b1bd82018-05-21 22:01:21 +0200[diff] [blame]736
737#define MULADDC_INIT \
738 asm(
739
740#define MULADDC_CORE \
741 "ldr r0, [%0], #4 \n\t" \
742 "ldr r1, [%1] \n\t" \
743 "umaal r1, %2, %3, r0 \n\t" \
744 "str r1, [%1], #4 \n\t"
745
746#define MULADDC_STOP \
747 : "=r" (s), "=r" (d), "=r" (c) \
748 : "r" (b), "0" (s), "1" (d), "2" (c) \
749 : "r0", "r1", "memory" \
750 );
751
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]752#else
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]753
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]754#define MULADDC_INIT \
755 asm( \
756 "ldr r0, %3 \n\t" \
757 "ldr r1, %4 \n\t" \
758 "ldr r2, %5 \n\t" \
759 "ldr r3, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]760
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]761#define MULADDC_CORE \
762 "ldr r4, [r0], #4 \n\t" \
763 "mov r5, #0 \n\t" \
764 "ldr r6, [r1] \n\t" \
765 "umlal r2, r5, r3, r4 \n\t" \
766 "adds r7, r6, r2 \n\t" \
767 "adc r2, r5, #0 \n\t" \
768 "str r7, [r1], #4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]769
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]770#define MULADDC_STOP \
771 "str r2, %0 \n\t" \
772 "str r1, %1 \n\t" \
773 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]774 : "=m" (c), "=m" (d), "=m" (s) \
775 : "m" (s), "m" (d), "m" (c), "m" (b) \
776 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]777 "r6", "r7", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]778 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]779
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]780#endif /* Thumb */
781
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]782#endif /* ARMv3 */
783
784#if defined(__alpha__)
785
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]786#define MULADDC_INIT \
787 asm( \
788 "ldq $1, %3 \n\t" \
789 "ldq $2, %4 \n\t" \
790 "ldq $3, %5 \n\t" \
791 "ldq $4, %6 \n\t"
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_CORE \
794 "ldq $6, 0($1) \n\t" \
795 "addq $1, 8, $1 \n\t" \
796 "mulq $6, $4, $7 \n\t" \
797 "umulh $6, $4, $6 \n\t" \
798 "addq $7, $3, $7 \n\t" \
799 "cmpult $7, $3, $3 \n\t" \
800 "ldq $5, 0($2) \n\t" \
801 "addq $7, $5, $7 \n\t" \
802 "cmpult $7, $5, $5 \n\t" \
803 "stq $7, 0($2) \n\t" \
804 "addq $2, 8, $2 \n\t" \
805 "addq $6, $3, $3 \n\t" \
806 "addq $5, $3, $3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]807
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]808#define MULADDC_STOP \
809 "stq $3, %0 \n\t" \
810 "stq $2, %1 \n\t" \
811 "stq $1, %2 \n\t" \
Manuel Pégourié-Gonnard5af8e642014-01-10 15:53:41 +0100[diff] [blame]812 : "=m" (c), "=m" (d), "=m" (s) \
813 : "m" (s), "m" (d), "m" (c), "m" (b) \
814 : "$1", "$2", "$3", "$4", "$5", "$6", "$7" \
815 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]816#endif /* Alpha */
817
James Cowgilld1e7e8b2014-12-16 15:24:06 +0000[diff] [blame]818#if defined(__mips__) && !defined(__mips64)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]819
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]820#define MULADDC_INIT \
821 asm( \
822 "lw $10, %3 \n\t" \
823 "lw $11, %4 \n\t" \
824 "lw $12, %5 \n\t" \
825 "lw $13, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]826
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]827#define MULADDC_CORE \
828 "lw $14, 0($10) \n\t" \
829 "multu $13, $14 \n\t" \
830 "addi $10, $10, 4 \n\t" \
831 "mflo $14 \n\t" \
832 "mfhi $9 \n\t" \
833 "addu $14, $12, $14 \n\t" \
834 "lw $15, 0($11) \n\t" \
835 "sltu $12, $14, $12 \n\t" \
836 "addu $15, $14, $15 \n\t" \
837 "sltu $14, $15, $14 \n\t" \
838 "addu $12, $12, $9 \n\t" \
839 "sw $15, 0($11) \n\t" \
840 "addu $12, $12, $14 \n\t" \
841 "addi $11, $11, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]842
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]843#define MULADDC_STOP \
844 "sw $12, %0 \n\t" \
845 "sw $11, %1 \n\t" \
846 "sw $10, %2 \n\t" \
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]847 : "=m" (c), "=m" (d), "=m" (s) \
848 : "m" (s), "m" (d), "m" (c), "m" (b) \
Jeffrey Martind25fd8d2019-01-14 18:01:40 -0600[diff] [blame]849 : "$9", "$10", "$11", "$12", "$13", "$14", "$15", "lo", "hi" \
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]850 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]851
852#endif /* MIPS */
853#endif /* GNUC */
854
855#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
856
857#define MULADDC_INIT \
858 __asm mov esi, s \
859 __asm mov edi, d \
860 __asm mov ecx, c \
861 __asm mov ebx, b
862
863#define MULADDC_CORE \
864 __asm lodsd \
865 __asm mul ebx \
866 __asm add eax, ecx \
867 __asm adc edx, 0 \
868 __asm add eax, [edi] \
869 __asm adc edx, 0 \
870 __asm mov ecx, edx \
871 __asm stosd
872
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]873#if defined(MBEDTLS_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]874
875#define EMIT __asm _emit
876
877#define MULADDC_HUIT \
878 EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
879 EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
880 EMIT 0x0F EMIT 0x6E EMIT 0x1F \
881 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
882 EMIT 0x0F EMIT 0x6E EMIT 0x16 \
883 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
884 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
885 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
886 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
887 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
888 EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
889 EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
890 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
891 EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
892 EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
893 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
894 EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
895 EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
896 EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
897 EMIT 0x0F EMIT 0x7E EMIT 0x0F \
898 EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
899 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
900 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
901 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
902 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
903 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
904 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
905 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
906 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
907 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
908 EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
909 EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
910 EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
911 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
912 EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
913 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
914 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
915 EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
916 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
917 EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
918 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
919 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
920 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
921 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
922 EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
923 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
924 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
925 EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
926 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
927 EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
928 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
929 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
930 EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
931 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
932 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
933 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
934 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
935 EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
936 EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
937 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
938 EMIT 0x0F EMIT 0x7E EMIT 0xC9
939
940#define MULADDC_STOP \
941 EMIT 0x0F EMIT 0x77 \
942 __asm mov c, ecx \
943 __asm mov d, edi \
944 __asm mov s, esi \
945
946#else
947
948#define MULADDC_STOP \
949 __asm mov c, ecx \
950 __asm mov d, edi \
951 __asm mov s, esi \
952
953#endif /* SSE2 */
954#endif /* MSVC */
955
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]956#endif /* MBEDTLS_HAVE_ASM */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]957
958#if !defined(MULADDC_CORE)
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]959#if defined(MBEDTLS_HAVE_UDBL)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]960
961#define MULADDC_INIT \
962{ \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]963 mbedtls_t_udbl r; \
964 mbedtls_mpi_uint r0, r1;
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]965
966#define MULADDC_CORE \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]967 r = *(s++) * (mbedtls_t_udbl) b; \
968 r0 = (mbedtls_mpi_uint) r; \
969 r1 = (mbedtls_mpi_uint)( r >> biL ); \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]970 r0 += c; r1 += (r0 < c); \
971 r0 += *d; r1 += (r0 < *d); \
972 c = r1; *(d++) = r0;
973
974#define MULADDC_STOP \
975}
976
977#else
978#define MULADDC_INIT \
979{ \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]980 mbedtls_mpi_uint s0, s1, b0, b1; \
981 mbedtls_mpi_uint r0, r1, rx, ry; \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]982 b0 = ( b << biH ) >> biH; \
983 b1 = ( b >> biH );
984
985#define MULADDC_CORE \
986 s0 = ( *s << biH ) >> biH; \
987 s1 = ( *s >> biH ); s++; \
988 rx = s0 * b1; r0 = s0 * b0; \
989 ry = s1 * b0; r1 = s1 * b1; \
990 r1 += ( rx >> biH ); \
991 r1 += ( ry >> biH ); \
992 rx <<= biH; ry <<= biH; \
993 r0 += rx; r1 += (r0 < rx); \
994 r0 += ry; r1 += (r0 < ry); \
995 r0 += c; r1 += (r0 < c); \
996 r0 += *d; r1 += (r0 < *d); \
997 c = r1; *(d++) = r0;
998
999#define MULADDC_STOP \
1000}
1001
1002#endif /* C (generic) */
1003#endif /* C (longlong) */
1004
David Horstmann2ccd77a2023-01-05 09:50:47 +0000[diff] [blame]1005/* *INDENT-ON* */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]1006#endif /* bn_mul.h */