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review.trustedfirmware.org / mirror / mbed-tls.git / 8e559daaa85dbd9afeb659a26b962c633f699bc0 / . / library / bn_mul.h
blob: b71ddd881a0427c44c297e97669ba159d5a4ede8 [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
Bence Szépkútic662b362021-05-27 11:25:03 +0200[diff] [blame]39#include "mbedtls/build_info.h"
Ron Eldor8b0cf2e2018-02-14 16:02:41 +0200[diff] [blame]40
Jaeden Ameroc49fbbf2019-07-04 20:01:14 +0100[diff] [blame]41#include "mbedtls/bignum.h"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]42
Janos Follath8c70e812021-06-24 14:48:38 +0100[diff] [blame]43
44/*
45 * Conversion macros for embedded constants:
46 * build lists of mbedtls_mpi_uint's from lists of unsigned char's grouped by 8, 4 or 2
47 */
48#if defined(MBEDTLS_HAVE_INT32)
49
Janos Follath1107ee42021-06-25 12:43:26 +0100[diff] [blame]50#define MBEDTLS_BYTES_TO_T_UINT_4( a, b, c, d ) \
Janos Follath8c70e812021-06-24 14:48:38 +0100[diff] [blame]51 ( (mbedtls_mpi_uint) (a) << 0 ) | \
52 ( (mbedtls_mpi_uint) (b) << 8 ) | \
53 ( (mbedtls_mpi_uint) (c) << 16 ) | \
54 ( (mbedtls_mpi_uint) (d) << 24 )
55
Janos Follath1107ee42021-06-25 12:43:26 +0100[diff] [blame]56#define MBEDTLS_BYTES_TO_T_UINT_2( a, b ) \
57 MBEDTLS_BYTES_TO_T_UINT_4( a, b, 0, 0 )
Janos Follath8c70e812021-06-24 14:48:38 +0100[diff] [blame]58
Janos Follath1107ee42021-06-25 12:43:26 +0100[diff] [blame]59#define MBEDTLS_BYTES_TO_T_UINT_8( a, b, c, d, e, f, g, h ) \
60 MBEDTLS_BYTES_TO_T_UINT_4( a, b, c, d ), \
61 MBEDTLS_BYTES_TO_T_UINT_4( e, f, g, h )
Janos Follath8c70e812021-06-24 14:48:38 +0100[diff] [blame]62
63#else /* 64-bits */
64
Janos Follath1107ee42021-06-25 12:43:26 +0100[diff] [blame]65#define MBEDTLS_BYTES_TO_T_UINT_8( a, b, c, d, e, f, g, h ) \
Janos Follath8c70e812021-06-24 14:48:38 +0100[diff] [blame]66 ( (mbedtls_mpi_uint) (a) << 0 ) | \
67 ( (mbedtls_mpi_uint) (b) << 8 ) | \
68 ( (mbedtls_mpi_uint) (c) << 16 ) | \
69 ( (mbedtls_mpi_uint) (d) << 24 ) | \
70 ( (mbedtls_mpi_uint) (e) << 32 ) | \
71 ( (mbedtls_mpi_uint) (f) << 40 ) | \
72 ( (mbedtls_mpi_uint) (g) << 48 ) | \
73 ( (mbedtls_mpi_uint) (h) << 56 )
74
Janos Follath1107ee42021-06-25 12:43:26 +0100[diff] [blame]75#define MBEDTLS_BYTES_TO_T_UINT_4( a, b, c, d ) \
76 MBEDTLS_BYTES_TO_T_UINT_8( a, b, c, d, 0, 0, 0, 0 )
Janos Follath8c70e812021-06-24 14:48:38 +0100[diff] [blame]77
Janos Follath1107ee42021-06-25 12:43:26 +0100[diff] [blame]78#define MBEDTLS_BYTES_TO_T_UINT_2( a, b ) \
79 MBEDTLS_BYTES_TO_T_UINT_8( a, b, 0, 0, 0, 0, 0, 0 )
Janos Follath8c70e812021-06-24 14:48:38 +0100[diff] [blame]80
81#endif /* bits in mbedtls_mpi_uint */
82
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]83#if defined(MBEDTLS_HAVE_ASM)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]84
Manuel Pégourié-Gonnardba194322015-05-29 09:47:57 +0200[diff] [blame]85#ifndef asm
86#define asm __asm
87#endif
88
Manuel Pégourié-Gonnard854dab92015-08-10 12:08:34 +0200[diff] [blame]89/* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */
90#if defined(__GNUC__) && \
91 ( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 )
Simon Butcher4b9a3ad2018-07-10 20:18:29 +0100[diff] [blame]92
93/*
94 * Disable use of the i386 assembly code below if option -O0, to disable all
95 * compiler optimisations, is passed, detected with __OPTIMIZE__
96 * This is done as the number of registers used in the assembly code doesn't
97 * work with the -O0 option.
98 */
Simon Butchere459f072018-07-23 09:44:42 +0100[diff] [blame]99#if defined(__i386__) && defined(__OPTIMIZE__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]100
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]101#define MULADDC_INIT \
102 asm( \
103 "movl %%ebx, %0 \n\t" \
104 "movl %5, %%esi \n\t" \
105 "movl %6, %%edi \n\t" \
106 "movl %7, %%ecx \n\t" \
107 "movl %8, %%ebx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]108
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]109#define MULADDC_CORE \
110 "lodsl \n\t" \
111 "mull %%ebx \n\t" \
112 "addl %%ecx, %%eax \n\t" \
113 "adcl $0, %%edx \n\t" \
114 "addl (%%edi), %%eax \n\t" \
115 "adcl $0, %%edx \n\t" \
116 "movl %%edx, %%ecx \n\t" \
117 "stosl \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]118
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]119#if defined(MBEDTLS_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]120
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]121#define MULADDC_HUIT \
122 "movd %%ecx, %%mm1 \n\t" \
123 "movd %%ebx, %%mm0 \n\t" \
124 "movd (%%edi), %%mm3 \n\t" \
125 "paddq %%mm3, %%mm1 \n\t" \
126 "movd (%%esi), %%mm2 \n\t" \
127 "pmuludq %%mm0, %%mm2 \n\t" \
128 "movd 4(%%esi), %%mm4 \n\t" \
129 "pmuludq %%mm0, %%mm4 \n\t" \
130 "movd 8(%%esi), %%mm6 \n\t" \
131 "pmuludq %%mm0, %%mm6 \n\t" \
132 "movd 12(%%esi), %%mm7 \n\t" \
133 "pmuludq %%mm0, %%mm7 \n\t" \
134 "paddq %%mm2, %%mm1 \n\t" \
135 "movd 4(%%edi), %%mm3 \n\t" \
136 "paddq %%mm4, %%mm3 \n\t" \
137 "movd 8(%%edi), %%mm5 \n\t" \
138 "paddq %%mm6, %%mm5 \n\t" \
139 "movd 12(%%edi), %%mm4 \n\t" \
140 "paddq %%mm4, %%mm7 \n\t" \
141 "movd %%mm1, (%%edi) \n\t" \
142 "movd 16(%%esi), %%mm2 \n\t" \
143 "pmuludq %%mm0, %%mm2 \n\t" \
144 "psrlq $32, %%mm1 \n\t" \
145 "movd 20(%%esi), %%mm4 \n\t" \
146 "pmuludq %%mm0, %%mm4 \n\t" \
147 "paddq %%mm3, %%mm1 \n\t" \
148 "movd 24(%%esi), %%mm6 \n\t" \
149 "pmuludq %%mm0, %%mm6 \n\t" \
150 "movd %%mm1, 4(%%edi) \n\t" \
151 "psrlq $32, %%mm1 \n\t" \
152 "movd 28(%%esi), %%mm3 \n\t" \
153 "pmuludq %%mm0, %%mm3 \n\t" \
154 "paddq %%mm5, %%mm1 \n\t" \
155 "movd 16(%%edi), %%mm5 \n\t" \
156 "paddq %%mm5, %%mm2 \n\t" \
157 "movd %%mm1, 8(%%edi) \n\t" \
158 "psrlq $32, %%mm1 \n\t" \
159 "paddq %%mm7, %%mm1 \n\t" \
160 "movd 20(%%edi), %%mm5 \n\t" \
161 "paddq %%mm5, %%mm4 \n\t" \
162 "movd %%mm1, 12(%%edi) \n\t" \
163 "psrlq $32, %%mm1 \n\t" \
164 "paddq %%mm2, %%mm1 \n\t" \
165 "movd 24(%%edi), %%mm5 \n\t" \
166 "paddq %%mm5, %%mm6 \n\t" \
167 "movd %%mm1, 16(%%edi) \n\t" \
168 "psrlq $32, %%mm1 \n\t" \
169 "paddq %%mm4, %%mm1 \n\t" \
170 "movd 28(%%edi), %%mm5 \n\t" \
171 "paddq %%mm5, %%mm3 \n\t" \
172 "movd %%mm1, 20(%%edi) \n\t" \
173 "psrlq $32, %%mm1 \n\t" \
174 "paddq %%mm6, %%mm1 \n\t" \
175 "movd %%mm1, 24(%%edi) \n\t" \
176 "psrlq $32, %%mm1 \n\t" \
177 "paddq %%mm3, %%mm1 \n\t" \
178 "movd %%mm1, 28(%%edi) \n\t" \
179 "addl $32, %%edi \n\t" \
180 "addl $32, %%esi \n\t" \
181 "psrlq $32, %%mm1 \n\t" \
182 "movd %%mm1, %%ecx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]183
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]184#define MULADDC_STOP \
185 "emms \n\t" \
186 "movl %4, %%ebx \n\t" \
187 "movl %%ecx, %1 \n\t" \
188 "movl %%edi, %2 \n\t" \
189 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]190 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
191 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
Simon Butcher53571642018-06-24 12:58:31 +0100[diff] [blame]192 : "eax", "ebx", "ecx", "edx", "esi", "edi" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]193 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]194
195#else
196
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]197#define MULADDC_STOP \
198 "movl %4, %%ebx \n\t" \
199 "movl %%ecx, %1 \n\t" \
200 "movl %%edi, %2 \n\t" \
201 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]202 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
203 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
Simon Butcher53571642018-06-24 12:58:31 +0100[diff] [blame]204 : "eax", "ebx", "ecx", "edx", "esi", "edi" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]205 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]206#endif /* SSE2 */
207#endif /* i386 */
208
209#if defined(__amd64__) || defined (__x86_64__)
210
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]211#define MULADDC_INIT \
212 asm( \
Simon Butchera86de142018-09-30 12:09:47 +0100[diff] [blame]213 "xorq %%r8, %%r8\n"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]214
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]215#define MULADDC_CORE \
Simon Butchera86de142018-09-30 12:09:47 +0100[diff] [blame]216 "movq (%%rsi), %%rax\n" \
217 "mulq %%rbx\n" \
218 "addq $8, %%rsi\n" \
219 "addq %%rcx, %%rax\n" \
220 "movq %%r8, %%rcx\n" \
221 "adcq $0, %%rdx\n" \
222 "nop \n" \
223 "addq %%rax, (%%rdi)\n" \
224 "adcq %%rdx, %%rcx\n" \
225 "addq $8, %%rdi\n"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]226
David Horstmann11c81df2021-09-22 18:15:51 +0100[diff] [blame]227#define MULADDC_STOP \
Gilles Peskined337fbc2021-09-14 00:13:05 +0200[diff] [blame]228 : "+c" (c), "+D" (d), "+S" (s), "+m" (*(uint64_t (*)[16]) d) \
229 : "b" (b), "m" (*(const uint64_t (*)[16]) s) \
230 : "rax", "rdx", "r8" \
Manuel Pégourié-Gonnarddef018d2014-01-07 17:50:46 +0100[diff] [blame]231 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]232
233#endif /* AMD64 */
234
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]235#if defined(__aarch64__)
236
237#define MULADDC_INIT \
238 asm(
239
240#define MULADDC_CORE \
Ko-cb260bb2018-08-20 13:59:53 +0100[diff] [blame]241 "ldr x4, [%2], #8 \n\t" \
242 "ldr x5, [%1] \n\t" \
David Horstmann11c81df2021-09-22 18:15:51 +0100[diff] [blame]243 "mul x6, x4, %4 \n\t" \
244 "umulh x7, x4, %4 \n\t" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]245 "adds x5, x5, x6 \n\t" \
246 "adc x7, x7, xzr \n\t" \
Ko-cb260bb2018-08-20 13:59:53 +0100[diff] [blame]247 "adds x5, x5, %0 \n\t" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]248 "adc %0, x7, xzr \n\t" \
249 "str x5, [%1], #8 \n\t"
250
David Horstmann11c81df2021-09-22 18:15:51 +0100[diff] [blame]251#define MULADDC_STOP \
252 : "+r" (c), "+r" (d), "+r" (s), "+m" (*(uint64_t (*)[16]) d) \
253 : "r" (b), "m" (*(const uint64_t (*)[16]) s) \
254 : "x4", "x5", "x6", "x7", "cc" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]255 );
256
257#endif /* Aarch64 */
258
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]259#if defined(__mc68020__) || defined(__mcpu32__)
260
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]261#define MULADDC_INIT \
262 asm( \
263 "movl %3, %%a2 \n\t" \
264 "movl %4, %%a3 \n\t" \
265 "movl %5, %%d3 \n\t" \
266 "movl %6, %%d2 \n\t" \
267 "moveq #0, %%d0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]268
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]269#define MULADDC_CORE \
270 "movel %%a2@+, %%d1 \n\t" \
271 "mulul %%d2, %%d4:%%d1 \n\t" \
272 "addl %%d3, %%d1 \n\t" \
273 "addxl %%d0, %%d4 \n\t" \
274 "moveq #0, %%d3 \n\t" \
275 "addl %%d1, %%a3@+ \n\t" \
276 "addxl %%d4, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]277
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]278#define MULADDC_STOP \
279 "movl %%d3, %0 \n\t" \
280 "movl %%a3, %1 \n\t" \
281 "movl %%a2, %2 \n\t" \
Manuel Pégourié-Gonnard3b05e4c2014-01-10 15:30:23 +0100[diff] [blame]282 : "=m" (c), "=m" (d), "=m" (s) \
283 : "m" (s), "m" (d), "m" (c), "m" (b) \
284 : "d0", "d1", "d2", "d3", "d4", "a2", "a3" \
285 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]286
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]287#define MULADDC_HUIT \
288 "movel %%a2@+, %%d1 \n\t" \
289 "mulul %%d2, %%d4:%%d1 \n\t" \
290 "addxl %%d3, %%d1 \n\t" \
291 "addxl %%d0, %%d4 \n\t" \
292 "addl %%d1, %%a3@+ \n\t" \
293 "movel %%a2@+, %%d1 \n\t" \
294 "mulul %%d2, %%d3:%%d1 \n\t" \
295 "addxl %%d4, %%d1 \n\t" \
296 "addxl %%d0, %%d3 \n\t" \
297 "addl %%d1, %%a3@+ \n\t" \
298 "movel %%a2@+, %%d1 \n\t" \
299 "mulul %%d2, %%d4:%%d1 \n\t" \
300 "addxl %%d3, %%d1 \n\t" \
301 "addxl %%d0, %%d4 \n\t" \
302 "addl %%d1, %%a3@+ \n\t" \
303 "movel %%a2@+, %%d1 \n\t" \
304 "mulul %%d2, %%d3:%%d1 \n\t" \
305 "addxl %%d4, %%d1 \n\t" \
306 "addxl %%d0, %%d3 \n\t" \
307 "addl %%d1, %%a3@+ \n\t" \
308 "movel %%a2@+, %%d1 \n\t" \
309 "mulul %%d2, %%d4:%%d1 \n\t" \
310 "addxl %%d3, %%d1 \n\t" \
311 "addxl %%d0, %%d4 \n\t" \
312 "addl %%d1, %%a3@+ \n\t" \
313 "movel %%a2@+, %%d1 \n\t" \
314 "mulul %%d2, %%d3:%%d1 \n\t" \
315 "addxl %%d4, %%d1 \n\t" \
316 "addxl %%d0, %%d3 \n\t" \
317 "addl %%d1, %%a3@+ \n\t" \
318 "movel %%a2@+, %%d1 \n\t" \
319 "mulul %%d2, %%d4:%%d1 \n\t" \
320 "addxl %%d3, %%d1 \n\t" \
321 "addxl %%d0, %%d4 \n\t" \
322 "addl %%d1, %%a3@+ \n\t" \
323 "movel %%a2@+, %%d1 \n\t" \
324 "mulul %%d2, %%d3:%%d1 \n\t" \
325 "addxl %%d4, %%d1 \n\t" \
326 "addxl %%d0, %%d3 \n\t" \
327 "addl %%d1, %%a3@+ \n\t" \
328 "addxl %%d0, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]329
330#endif /* MC68000 */
331
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]332#if defined(__powerpc64__) || defined(__ppc64__)
333
334#if defined(__MACH__) && defined(__APPLE__)
335
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]336#define MULADDC_INIT \
337 asm( \
338 "ld r3, %3 \n\t" \
339 "ld r4, %4 \n\t" \
340 "ld r5, %5 \n\t" \
341 "ld r6, %6 \n\t" \
342 "addi r3, r3, -8 \n\t" \
343 "addi r4, r4, -8 \n\t" \
344 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]345
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]346#define MULADDC_CORE \
347 "ldu r7, 8(r3) \n\t" \
348 "mulld r8, r7, r6 \n\t" \
349 "mulhdu r9, r7, r6 \n\t" \
350 "adde r8, r8, r5 \n\t" \
351 "ld r7, 8(r4) \n\t" \
352 "addze r5, r9 \n\t" \
353 "addc r8, r8, r7 \n\t" \
354 "stdu r8, 8(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]355
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]356#define MULADDC_STOP \
357 "addze r5, r5 \n\t" \
358 "addi r4, r4, 8 \n\t" \
359 "addi r3, r3, 8 \n\t" \
360 "std r5, %0 \n\t" \
361 "std r4, %1 \n\t" \
362 "std r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]363 : "=m" (c), "=m" (d), "=m" (s) \
364 : "m" (s), "m" (d), "m" (c), "m" (b) \
365 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
366 );
367
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]368
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]369#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]370
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]371#define MULADDC_INIT \
372 asm( \
373 "ld %%r3, %3 \n\t" \
374 "ld %%r4, %4 \n\t" \
375 "ld %%r5, %5 \n\t" \
376 "ld %%r6, %6 \n\t" \
377 "addi %%r3, %%r3, -8 \n\t" \
378 "addi %%r4, %%r4, -8 \n\t" \
379 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]380
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]381#define MULADDC_CORE \
382 "ldu %%r7, 8(%%r3) \n\t" \
383 "mulld %%r8, %%r7, %%r6 \n\t" \
384 "mulhdu %%r9, %%r7, %%r6 \n\t" \
385 "adde %%r8, %%r8, %%r5 \n\t" \
386 "ld %%r7, 8(%%r4) \n\t" \
387 "addze %%r5, %%r9 \n\t" \
388 "addc %%r8, %%r8, %%r7 \n\t" \
389 "stdu %%r8, 8(%%r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]390
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]391#define MULADDC_STOP \
392 "addze %%r5, %%r5 \n\t" \
393 "addi %%r4, %%r4, 8 \n\t" \
394 "addi %%r3, %%r3, 8 \n\t" \
395 "std %%r5, %0 \n\t" \
396 "std %%r4, %1 \n\t" \
397 "std %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]398 : "=m" (c), "=m" (d), "=m" (s) \
399 : "m" (s), "m" (d), "m" (c), "m" (b) \
400 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
401 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]402
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]403#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]404
Barry K. Nathan35e7cb92014-05-05 23:26:13 -0700[diff] [blame]405#elif defined(__powerpc__) || defined(__ppc__) /* end PPC64/begin PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]406
407#if defined(__MACH__) && defined(__APPLE__)
408
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]409#define MULADDC_INIT \
410 asm( \
411 "lwz r3, %3 \n\t" \
412 "lwz r4, %4 \n\t" \
413 "lwz r5, %5 \n\t" \
414 "lwz r6, %6 \n\t" \
415 "addi r3, r3, -4 \n\t" \
416 "addi r4, r4, -4 \n\t" \
417 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]418
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]419#define MULADDC_CORE \
420 "lwzu r7, 4(r3) \n\t" \
421 "mullw r8, r7, r6 \n\t" \
422 "mulhwu r9, r7, r6 \n\t" \
423 "adde r8, r8, r5 \n\t" \
424 "lwz r7, 4(r4) \n\t" \
425 "addze r5, r9 \n\t" \
426 "addc r8, r8, r7 \n\t" \
427 "stwu r8, 4(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]428
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]429#define MULADDC_STOP \
430 "addze r5, r5 \n\t" \
431 "addi r4, r4, 4 \n\t" \
432 "addi r3, r3, 4 \n\t" \
433 "stw r5, %0 \n\t" \
434 "stw r4, %1 \n\t" \
435 "stw r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]436 : "=m" (c), "=m" (d), "=m" (s) \
437 : "m" (s), "m" (d), "m" (c), "m" (b) \
438 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
439 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]440
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]441#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]442
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]443#define MULADDC_INIT \
444 asm( \
445 "lwz %%r3, %3 \n\t" \
446 "lwz %%r4, %4 \n\t" \
447 "lwz %%r5, %5 \n\t" \
448 "lwz %%r6, %6 \n\t" \
449 "addi %%r3, %%r3, -4 \n\t" \
450 "addi %%r4, %%r4, -4 \n\t" \
451 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]452
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]453#define MULADDC_CORE \
454 "lwzu %%r7, 4(%%r3) \n\t" \
455 "mullw %%r8, %%r7, %%r6 \n\t" \
456 "mulhwu %%r9, %%r7, %%r6 \n\t" \
457 "adde %%r8, %%r8, %%r5 \n\t" \
458 "lwz %%r7, 4(%%r4) \n\t" \
459 "addze %%r5, %%r9 \n\t" \
460 "addc %%r8, %%r8, %%r7 \n\t" \
461 "stwu %%r8, 4(%%r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]462
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]463#define MULADDC_STOP \
464 "addze %%r5, %%r5 \n\t" \
465 "addi %%r4, %%r4, 4 \n\t" \
466 "addi %%r3, %%r3, 4 \n\t" \
467 "stw %%r5, %0 \n\t" \
468 "stw %%r4, %1 \n\t" \
469 "stw %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]470 : "=m" (c), "=m" (d), "=m" (s) \
471 : "m" (s), "m" (d), "m" (c), "m" (b) \
472 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
473 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]474
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]475#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]476
477#endif /* PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]478
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200[diff] [blame]479/*
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]480 * The Sparc(64) assembly is reported to be broken.
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200[diff] [blame]481 * Disable it for now, until we're able to fix it.
482 */
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]483#if 0 && defined(__sparc__)
484#if defined(__sparc64__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]485
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]486#define MULADDC_INIT \
487 asm( \
488 "ldx %3, %%o0 \n\t" \
489 "ldx %4, %%o1 \n\t" \
490 "ld %5, %%o2 \n\t" \
491 "ld %6, %%o3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]492
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]493#define MULADDC_CORE \
494 "ld [%%o0], %%o4 \n\t" \
495 "inc 4, %%o0 \n\t" \
496 "ld [%%o1], %%o5 \n\t" \
497 "umul %%o3, %%o4, %%o4 \n\t" \
498 "addcc %%o4, %%o2, %%o4 \n\t" \
499 "rd %%y, %%g1 \n\t" \
500 "addx %%g1, 0, %%g1 \n\t" \
501 "addcc %%o4, %%o5, %%o4 \n\t" \
502 "st %%o4, [%%o1] \n\t" \
503 "addx %%g1, 0, %%o2 \n\t" \
504 "inc 4, %%o1 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]505
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]506 #define MULADDC_STOP \
507 "st %%o2, %0 \n\t" \
508 "stx %%o1, %1 \n\t" \
509 "stx %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]510 : "=m" (c), "=m" (d), "=m" (s) \
511 : "m" (s), "m" (d), "m" (c), "m" (b) \
512 : "g1", "o0", "o1", "o2", "o3", "o4", \
513 "o5" \
514 );
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]515
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]516#else /* __sparc64__ */
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]517
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]518#define MULADDC_INIT \
519 asm( \
520 "ld %3, %%o0 \n\t" \
521 "ld %4, %%o1 \n\t" \
522 "ld %5, %%o2 \n\t" \
523 "ld %6, %%o3 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]524
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]525#define MULADDC_CORE \
526 "ld [%%o0], %%o4 \n\t" \
527 "inc 4, %%o0 \n\t" \
528 "ld [%%o1], %%o5 \n\t" \
529 "umul %%o3, %%o4, %%o4 \n\t" \
530 "addcc %%o4, %%o2, %%o4 \n\t" \
531 "rd %%y, %%g1 \n\t" \
532 "addx %%g1, 0, %%g1 \n\t" \
533 "addcc %%o4, %%o5, %%o4 \n\t" \
534 "st %%o4, [%%o1] \n\t" \
535 "addx %%g1, 0, %%o2 \n\t" \
536 "inc 4, %%o1 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]537
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]538#define MULADDC_STOP \
539 "st %%o2, %0 \n\t" \
540 "st %%o1, %1 \n\t" \
541 "st %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]542 : "=m" (c), "=m" (d), "=m" (s) \
543 : "m" (s), "m" (d), "m" (c), "m" (b) \
544 : "g1", "o0", "o1", "o2", "o3", "o4", \
545 "o5" \
546 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]547
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]548#endif /* __sparc64__ */
549#endif /* __sparc__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]550
551#if defined(__microblaze__) || defined(microblaze)
552
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]553#define MULADDC_INIT \
554 asm( \
555 "lwi r3, %3 \n\t" \
556 "lwi r4, %4 \n\t" \
557 "lwi r5, %5 \n\t" \
558 "lwi r6, %6 \n\t" \
559 "andi r7, r6, 0xffff \n\t" \
560 "bsrli r6, r6, 16 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]561
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]562#define MULADDC_CORE \
563 "lhui r8, r3, 0 \n\t" \
564 "addi r3, r3, 2 \n\t" \
565 "lhui r9, r3, 0 \n\t" \
566 "addi r3, r3, 2 \n\t" \
567 "mul r10, r9, r6 \n\t" \
568 "mul r11, r8, r7 \n\t" \
569 "mul r12, r9, r7 \n\t" \
570 "mul r13, r8, r6 \n\t" \
571 "bsrli r8, r10, 16 \n\t" \
572 "bsrli r9, r11, 16 \n\t" \
573 "add r13, r13, r8 \n\t" \
574 "add r13, r13, r9 \n\t" \
575 "bslli r10, r10, 16 \n\t" \
576 "bslli r11, r11, 16 \n\t" \
577 "add r12, r12, r10 \n\t" \
578 "addc r13, r13, r0 \n\t" \
579 "add r12, r12, r11 \n\t" \
580 "addc r13, r13, r0 \n\t" \
581 "lwi r10, r4, 0 \n\t" \
582 "add r12, r12, r10 \n\t" \
583 "addc r13, r13, r0 \n\t" \
584 "add r12, r12, r5 \n\t" \
585 "addc r5, r13, r0 \n\t" \
586 "swi r12, r4, 0 \n\t" \
587 "addi r4, r4, 4 \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 "swi r5, %0 \n\t" \
591 "swi r4, %1 \n\t" \
592 "swi r3, %2 \n\t" \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]593 : "=m" (c), "=m" (d), "=m" (s) \
594 : "m" (s), "m" (d), "m" (c), "m" (b) \
Zach van Rijne7d3f8e2018-05-21 10:52:34 -0400[diff] [blame]595 : "r3", "r4", "r5", "r6", "r7", "r8", \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]596 "r9", "r10", "r11", "r12", "r13" \
597 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]598
599#endif /* MicroBlaze */
600
601#if defined(__tricore__)
602
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]603#define MULADDC_INIT \
604 asm( \
605 "ld.a %%a2, %3 \n\t" \
606 "ld.a %%a3, %4 \n\t" \
607 "ld.w %%d4, %5 \n\t" \
608 "ld.w %%d1, %6 \n\t" \
609 "xor %%d5, %%d5 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]610
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]611#define MULADDC_CORE \
612 "ld.w %%d0, [%%a2+] \n\t" \
613 "madd.u %%e2, %%e4, %%d0, %%d1 \n\t" \
614 "ld.w %%d0, [%%a3] \n\t" \
615 "addx %%d2, %%d2, %%d0 \n\t" \
616 "addc %%d3, %%d3, 0 \n\t" \
617 "mov %%d4, %%d3 \n\t" \
618 "st.w [%%a3+], %%d2 \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 "st.w %0, %%d4 \n\t" \
622 "st.a %1, %%a3 \n\t" \
623 "st.a %2, %%a2 \n\t" \
Manuel Pégourié-Gonnard3f687ad2014-01-10 15:47:50 +0100[diff] [blame]624 : "=m" (c), "=m" (d), "=m" (s) \
625 : "m" (s), "m" (d), "m" (c), "m" (b) \
626 : "d0", "d1", "e2", "d4", "a2", "a3" \
627 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]628
629#endif /* TriCore */
630
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]631/*
Simon Butcher3ad2efd2018-05-02 14:49:38 +0100[diff] [blame]632 * Note, gcc -O0 by default uses r7 for the frame pointer, so it complains about
633 * our use of r7 below, unless -fomit-frame-pointer is passed.
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]634 *
635 * On the other hand, -fomit-frame-pointer is implied by any -Ox options with
636 * x !=0, which we can detect using __OPTIMIZE__ (which is also defined by
637 * clang and armcc5 under the same conditions).
638 *
639 * So, only use the optimized assembly below for optimized build, which avoids
640 * the build error and is pretty reasonable anyway.
641 */
642#if defined(__GNUC__) && !defined(__OPTIMIZE__)
Manuel Pégourié-Gonnard365f3252016-01-08 14:58:45 +0100[diff] [blame]643#define MULADDC_CANNOT_USE_R7
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]644#endif
645
Manuel Pégourié-Gonnard365f3252016-01-08 14:58:45 +0100[diff] [blame]646#if defined(__arm__) && !defined(MULADDC_CANNOT_USE_R7)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]647
Paul Bakkerfc4f46f2013-06-24 19:23:56 +0200[diff] [blame]648#if defined(__thumb__) && !defined(__thumb2__)
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]649
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]650#define MULADDC_INIT \
651 asm( \
652 "ldr r0, %3 \n\t" \
653 "ldr r1, %4 \n\t" \
654 "ldr r2, %5 \n\t" \
655 "ldr r3, %6 \n\t" \
656 "lsr r7, r3, #16 \n\t" \
657 "mov r9, r7 \n\t" \
658 "lsl r7, r3, #16 \n\t" \
659 "lsr r7, r7, #16 \n\t" \
660 "mov r8, r7 \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_CORE \
663 "ldmia r0!, {r6} \n\t" \
664 "lsr r7, r6, #16 \n\t" \
665 "lsl r6, r6, #16 \n\t" \
666 "lsr r6, r6, #16 \n\t" \
667 "mov r4, r8 \n\t" \
668 "mul r4, r6 \n\t" \
669 "mov r3, r9 \n\t" \
670 "mul r6, r3 \n\t" \
671 "mov r5, r9 \n\t" \
672 "mul r5, r7 \n\t" \
673 "mov r3, r8 \n\t" \
674 "mul r7, r3 \n\t" \
675 "lsr r3, r6, #16 \n\t" \
676 "add r5, r5, r3 \n\t" \
677 "lsr r3, r7, #16 \n\t" \
678 "add r5, r5, r3 \n\t" \
679 "add r4, r4, r2 \n\t" \
680 "mov r2, #0 \n\t" \
681 "adc r5, r2 \n\t" \
682 "lsl r3, r6, #16 \n\t" \
683 "add r4, r4, r3 \n\t" \
684 "adc r5, r2 \n\t" \
685 "lsl r3, r7, #16 \n\t" \
686 "add r4, r4, r3 \n\t" \
687 "adc r5, r2 \n\t" \
688 "ldr r3, [r1] \n\t" \
689 "add r4, r4, r3 \n\t" \
690 "adc r2, r5 \n\t" \
691 "stmia r1!, {r4} \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_STOP \
694 "str r2, %0 \n\t" \
695 "str r1, %1 \n\t" \
696 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]697 : "=m" (c), "=m" (d), "=m" (s) \
698 : "m" (s), "m" (d), "m" (c), "m" (b) \
699 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]700 "r6", "r7", "r8", "r9", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]701 );
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]702
Aurelien Jarno5daa34f2018-11-03 00:46:06 +0100[diff] [blame]703#elif (__ARM_ARCH >= 6) && \
704 defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
Aurelien Jarno16b1bd82018-05-21 22:01:21 +0200[diff] [blame]705
706#define MULADDC_INIT \
707 asm(
708
709#define MULADDC_CORE \
710 "ldr r0, [%0], #4 \n\t" \
711 "ldr r1, [%1] \n\t" \
712 "umaal r1, %2, %3, r0 \n\t" \
713 "str r1, [%1], #4 \n\t"
714
715#define MULADDC_STOP \
716 : "=r" (s), "=r" (d), "=r" (c) \
717 : "r" (b), "0" (s), "1" (d), "2" (c) \
718 : "r0", "r1", "memory" \
719 );
720
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]721#else
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]722
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]723#define MULADDC_INIT \
724 asm( \
725 "ldr r0, %3 \n\t" \
726 "ldr r1, %4 \n\t" \
727 "ldr r2, %5 \n\t" \
728 "ldr r3, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]729
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]730#define MULADDC_CORE \
731 "ldr r4, [r0], #4 \n\t" \
732 "mov r5, #0 \n\t" \
733 "ldr r6, [r1] \n\t" \
734 "umlal r2, r5, r3, r4 \n\t" \
735 "adds r7, r6, r2 \n\t" \
736 "adc r2, r5, #0 \n\t" \
737 "str r7, [r1], #4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]738
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]739#define MULADDC_STOP \
740 "str r2, %0 \n\t" \
741 "str r1, %1 \n\t" \
742 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]743 : "=m" (c), "=m" (d), "=m" (s) \
744 : "m" (s), "m" (d), "m" (c), "m" (b) \
745 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]746 "r6", "r7", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]747 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]748
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]749#endif /* Thumb */
750
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]751#endif /* ARMv3 */
752
753#if defined(__alpha__)
754
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]755#define MULADDC_INIT \
756 asm( \
757 "ldq $1, %3 \n\t" \
758 "ldq $2, %4 \n\t" \
759 "ldq $3, %5 \n\t" \
760 "ldq $4, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]761
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]762#define MULADDC_CORE \
763 "ldq $6, 0($1) \n\t" \
764 "addq $1, 8, $1 \n\t" \
765 "mulq $6, $4, $7 \n\t" \
766 "umulh $6, $4, $6 \n\t" \
767 "addq $7, $3, $7 \n\t" \
768 "cmpult $7, $3, $3 \n\t" \
769 "ldq $5, 0($2) \n\t" \
770 "addq $7, $5, $7 \n\t" \
771 "cmpult $7, $5, $5 \n\t" \
772 "stq $7, 0($2) \n\t" \
773 "addq $2, 8, $2 \n\t" \
774 "addq $6, $3, $3 \n\t" \
775 "addq $5, $3, $3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]776
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]777#define MULADDC_STOP \
778 "stq $3, %0 \n\t" \
779 "stq $2, %1 \n\t" \
780 "stq $1, %2 \n\t" \
Manuel Pégourié-Gonnard5af8e642014-01-10 15:53:41 +0100[diff] [blame]781 : "=m" (c), "=m" (d), "=m" (s) \
782 : "m" (s), "m" (d), "m" (c), "m" (b) \
783 : "$1", "$2", "$3", "$4", "$5", "$6", "$7" \
784 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]785#endif /* Alpha */
786
James Cowgilld1e7e8b2014-12-16 15:24:06 +0000[diff] [blame]787#if defined(__mips__) && !defined(__mips64)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]788
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]789#define MULADDC_INIT \
790 asm( \
791 "lw $10, %3 \n\t" \
792 "lw $11, %4 \n\t" \
793 "lw $12, %5 \n\t" \
794 "lw $13, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]795
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]796#define MULADDC_CORE \
797 "lw $14, 0($10) \n\t" \
798 "multu $13, $14 \n\t" \
799 "addi $10, $10, 4 \n\t" \
800 "mflo $14 \n\t" \
801 "mfhi $9 \n\t" \
802 "addu $14, $12, $14 \n\t" \
803 "lw $15, 0($11) \n\t" \
804 "sltu $12, $14, $12 \n\t" \
805 "addu $15, $14, $15 \n\t" \
806 "sltu $14, $15, $14 \n\t" \
807 "addu $12, $12, $9 \n\t" \
808 "sw $15, 0($11) \n\t" \
809 "addu $12, $12, $14 \n\t" \
810 "addi $11, $11, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]811
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]812#define MULADDC_STOP \
813 "sw $12, %0 \n\t" \
814 "sw $11, %1 \n\t" \
815 "sw $10, %2 \n\t" \
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]816 : "=m" (c), "=m" (d), "=m" (s) \
817 : "m" (s), "m" (d), "m" (c), "m" (b) \
Jeffrey Martind25fd8d2019-01-14 18:01:40 -0600[diff] [blame]818 : "$9", "$10", "$11", "$12", "$13", "$14", "$15", "lo", "hi" \
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]819 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]820
821#endif /* MIPS */
822#endif /* GNUC */
823
824#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
825
826#define MULADDC_INIT \
827 __asm mov esi, s \
828 __asm mov edi, d \
829 __asm mov ecx, c \
830 __asm mov ebx, b
831
832#define MULADDC_CORE \
833 __asm lodsd \
834 __asm mul ebx \
835 __asm add eax, ecx \
836 __asm adc edx, 0 \
837 __asm add eax, [edi] \
838 __asm adc edx, 0 \
839 __asm mov ecx, edx \
840 __asm stosd
841
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]842#if defined(MBEDTLS_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]843
844#define EMIT __asm _emit
845
846#define MULADDC_HUIT \
847 EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
848 EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
849 EMIT 0x0F EMIT 0x6E EMIT 0x1F \
850 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
851 EMIT 0x0F EMIT 0x6E EMIT 0x16 \
852 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
853 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
854 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
855 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
856 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
857 EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
858 EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
859 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
860 EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
861 EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
862 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
863 EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
864 EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
865 EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
866 EMIT 0x0F EMIT 0x7E EMIT 0x0F \
867 EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
868 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
869 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
870 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
871 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
872 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
873 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
874 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
875 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
876 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
877 EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
878 EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
879 EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
880 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
881 EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
882 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
883 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
884 EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
885 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
886 EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
887 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
888 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
889 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
890 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
891 EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
892 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
893 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
894 EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
895 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
896 EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
897 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
898 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
899 EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
900 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
901 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
902 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
903 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
904 EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
905 EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
906 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
907 EMIT 0x0F EMIT 0x7E EMIT 0xC9
908
909#define MULADDC_STOP \
910 EMIT 0x0F EMIT 0x77 \
911 __asm mov c, ecx \
912 __asm mov d, edi \
913 __asm mov s, esi \
914
915#else
916
917#define MULADDC_STOP \
918 __asm mov c, ecx \
919 __asm mov d, edi \
920 __asm mov s, esi \
921
922#endif /* SSE2 */
923#endif /* MSVC */
924
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]925#endif /* MBEDTLS_HAVE_ASM */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]926
927#if !defined(MULADDC_CORE)
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]928#if defined(MBEDTLS_HAVE_UDBL)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]929
930#define MULADDC_INIT \
931{ \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]932 mbedtls_t_udbl r; \
933 mbedtls_mpi_uint r0, r1;
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]934
935#define MULADDC_CORE \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]936 r = *(s++) * (mbedtls_t_udbl) b; \
937 r0 = (mbedtls_mpi_uint) r; \
938 r1 = (mbedtls_mpi_uint)( r >> biL ); \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]939 r0 += c; r1 += (r0 < c); \
940 r0 += *d; r1 += (r0 < *d); \
941 c = r1; *(d++) = r0;
942
943#define MULADDC_STOP \
944}
945
946#else
947#define MULADDC_INIT \
948{ \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]949 mbedtls_mpi_uint s0, s1, b0, b1; \
950 mbedtls_mpi_uint r0, r1, rx, ry; \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]951 b0 = ( b << biH ) >> biH; \
952 b1 = ( b >> biH );
953
954#define MULADDC_CORE \
955 s0 = ( *s << biH ) >> biH; \
956 s1 = ( *s >> biH ); s++; \
957 rx = s0 * b1; r0 = s0 * b0; \
958 ry = s1 * b0; r1 = s1 * b1; \
959 r1 += ( rx >> biH ); \
960 r1 += ( ry >> biH ); \
961 rx <<= biH; ry <<= biH; \
962 r0 += rx; r1 += (r0 < rx); \
963 r0 += ry; r1 += (r0 < ry); \
964 r0 += c; r1 += (r0 < c); \
965 r0 += *d; r1 += (r0 < *d); \
966 c = r1; *(d++) = r0;
967
968#define MULADDC_STOP \
969}
970
971#endif /* C (generic) */
972#endif /* C (longlong) */
973
974#endif /* bn_mul.h */