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review.trustedfirmware.org / mirror / mbed-tls / efdc519864886da4fdf0ef3266d76091872a7014 / . / library / bn_mul.h
blob: aa1183fa5410937ec66c6c5d021adfa6efbd34e1 [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 \
Hanno Beckerefdc5192022-04-11 10:44:02 +0100[diff] [blame^]102 { mbedtls_mpi_uint t; \
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]103 asm( \
104 "movl %%ebx, %0 \n\t" \
105 "movl %5, %%esi \n\t" \
106 "movl %6, %%edi \n\t" \
107 "movl %7, %%ecx \n\t" \
108 "movl %8, %%ebx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]109
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]110#define MULADDC_CORE \
111 "lodsl \n\t" \
112 "mull %%ebx \n\t" \
113 "addl %%ecx, %%eax \n\t" \
114 "adcl $0, %%edx \n\t" \
115 "addl (%%edi), %%eax \n\t" \
116 "adcl $0, %%edx \n\t" \
117 "movl %%edx, %%ecx \n\t" \
118 "stosl \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]119
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]120#if defined(MBEDTLS_HAVE_SSE2)
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_HUIT \
123 "movd %%ecx, %%mm1 \n\t" \
124 "movd %%ebx, %%mm0 \n\t" \
125 "movd (%%edi), %%mm3 \n\t" \
126 "paddq %%mm3, %%mm1 \n\t" \
127 "movd (%%esi), %%mm2 \n\t" \
128 "pmuludq %%mm0, %%mm2 \n\t" \
129 "movd 4(%%esi), %%mm4 \n\t" \
130 "pmuludq %%mm0, %%mm4 \n\t" \
131 "movd 8(%%esi), %%mm6 \n\t" \
132 "pmuludq %%mm0, %%mm6 \n\t" \
133 "movd 12(%%esi), %%mm7 \n\t" \
134 "pmuludq %%mm0, %%mm7 \n\t" \
135 "paddq %%mm2, %%mm1 \n\t" \
136 "movd 4(%%edi), %%mm3 \n\t" \
137 "paddq %%mm4, %%mm3 \n\t" \
138 "movd 8(%%edi), %%mm5 \n\t" \
139 "paddq %%mm6, %%mm5 \n\t" \
140 "movd 12(%%edi), %%mm4 \n\t" \
141 "paddq %%mm4, %%mm7 \n\t" \
142 "movd %%mm1, (%%edi) \n\t" \
143 "movd 16(%%esi), %%mm2 \n\t" \
144 "pmuludq %%mm0, %%mm2 \n\t" \
145 "psrlq $32, %%mm1 \n\t" \
146 "movd 20(%%esi), %%mm4 \n\t" \
147 "pmuludq %%mm0, %%mm4 \n\t" \
148 "paddq %%mm3, %%mm1 \n\t" \
149 "movd 24(%%esi), %%mm6 \n\t" \
150 "pmuludq %%mm0, %%mm6 \n\t" \
151 "movd %%mm1, 4(%%edi) \n\t" \
152 "psrlq $32, %%mm1 \n\t" \
153 "movd 28(%%esi), %%mm3 \n\t" \
154 "pmuludq %%mm0, %%mm3 \n\t" \
155 "paddq %%mm5, %%mm1 \n\t" \
156 "movd 16(%%edi), %%mm5 \n\t" \
157 "paddq %%mm5, %%mm2 \n\t" \
158 "movd %%mm1, 8(%%edi) \n\t" \
159 "psrlq $32, %%mm1 \n\t" \
160 "paddq %%mm7, %%mm1 \n\t" \
161 "movd 20(%%edi), %%mm5 \n\t" \
162 "paddq %%mm5, %%mm4 \n\t" \
163 "movd %%mm1, 12(%%edi) \n\t" \
164 "psrlq $32, %%mm1 \n\t" \
165 "paddq %%mm2, %%mm1 \n\t" \
166 "movd 24(%%edi), %%mm5 \n\t" \
167 "paddq %%mm5, %%mm6 \n\t" \
168 "movd %%mm1, 16(%%edi) \n\t" \
169 "psrlq $32, %%mm1 \n\t" \
170 "paddq %%mm4, %%mm1 \n\t" \
171 "movd 28(%%edi), %%mm5 \n\t" \
172 "paddq %%mm5, %%mm3 \n\t" \
173 "movd %%mm1, 20(%%edi) \n\t" \
174 "psrlq $32, %%mm1 \n\t" \
175 "paddq %%mm6, %%mm1 \n\t" \
176 "movd %%mm1, 24(%%edi) \n\t" \
177 "psrlq $32, %%mm1 \n\t" \
178 "paddq %%mm3, %%mm1 \n\t" \
179 "movd %%mm1, 28(%%edi) \n\t" \
180 "addl $32, %%edi \n\t" \
181 "addl $32, %%esi \n\t" \
182 "psrlq $32, %%mm1 \n\t" \
183 "movd %%mm1, %%ecx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]184
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]185#define MULADDC_STOP \
186 "emms \n\t" \
187 "movl %4, %%ebx \n\t" \
188 "movl %%ecx, %1 \n\t" \
189 "movl %%edi, %2 \n\t" \
190 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]191 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
192 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
Simon Butcher53571642018-06-24 12:58:31 +0100[diff] [blame]193 : "eax", "ebx", "ecx", "edx", "esi", "edi" \
Hanno Beckerefdc5192022-04-11 10:44:02 +0100[diff] [blame^]194 ); } \
195
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]196
197#else
198
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]199#define MULADDC_STOP \
200 "movl %4, %%ebx \n\t" \
201 "movl %%ecx, %1 \n\t" \
202 "movl %%edi, %2 \n\t" \
203 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]204 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
205 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
Simon Butcher53571642018-06-24 12:58:31 +0100[diff] [blame]206 : "eax", "ebx", "ecx", "edx", "esi", "edi" \
Hanno Beckerefdc5192022-04-11 10:44:02 +0100[diff] [blame^]207 ); }
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]208#endif /* SSE2 */
209#endif /* i386 */
210
211#if defined(__amd64__) || defined (__x86_64__)
212
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]213#define MULADDC_INIT \
214 asm( \
Simon Butchera86de142018-09-30 12:09:47 +0100[diff] [blame]215 "xorq %%r8, %%r8\n"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]216
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]217#define MULADDC_CORE \
Simon Butchera86de142018-09-30 12:09:47 +0100[diff] [blame]218 "movq (%%rsi), %%rax\n" \
219 "mulq %%rbx\n" \
220 "addq $8, %%rsi\n" \
221 "addq %%rcx, %%rax\n" \
222 "movq %%r8, %%rcx\n" \
223 "adcq $0, %%rdx\n" \
224 "nop \n" \
225 "addq %%rax, (%%rdi)\n" \
226 "adcq %%rdx, %%rcx\n" \
227 "addq $8, %%rdi\n"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]228
David Horstmann11c81df2021-09-22 18:15:51 +0100[diff] [blame]229#define MULADDC_STOP \
Gilles Peskined337fbc2021-09-14 00:13:05 +0200[diff] [blame]230 : "+c" (c), "+D" (d), "+S" (s), "+m" (*(uint64_t (*)[16]) d) \
231 : "b" (b), "m" (*(const uint64_t (*)[16]) s) \
232 : "rax", "rdx", "r8" \
Manuel Pégourié-Gonnarddef018d2014-01-07 17:50:46 +0100[diff] [blame]233 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]234
235#endif /* AMD64 */
236
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]237#if defined(__aarch64__)
238
239#define MULADDC_INIT \
240 asm(
241
242#define MULADDC_CORE \
Ko-cb260bb2018-08-20 13:59:53 +0100[diff] [blame]243 "ldr x4, [%2], #8 \n\t" \
244 "ldr x5, [%1] \n\t" \
David Horstmann11c81df2021-09-22 18:15:51 +0100[diff] [blame]245 "mul x6, x4, %4 \n\t" \
246 "umulh x7, x4, %4 \n\t" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]247 "adds x5, x5, x6 \n\t" \
248 "adc x7, x7, xzr \n\t" \
Ko-cb260bb2018-08-20 13:59:53 +0100[diff] [blame]249 "adds x5, x5, %0 \n\t" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]250 "adc %0, x7, xzr \n\t" \
251 "str x5, [%1], #8 \n\t"
252
David Horstmann11c81df2021-09-22 18:15:51 +0100[diff] [blame]253#define MULADDC_STOP \
254 : "+r" (c), "+r" (d), "+r" (s), "+m" (*(uint64_t (*)[16]) d) \
255 : "r" (b), "m" (*(const uint64_t (*)[16]) s) \
256 : "x4", "x5", "x6", "x7", "cc" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]257 );
258
259#endif /* Aarch64 */
260
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]261#if defined(__mc68020__) || defined(__mcpu32__)
262
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]263#define MULADDC_INIT \
264 asm( \
265 "movl %3, %%a2 \n\t" \
266 "movl %4, %%a3 \n\t" \
267 "movl %5, %%d3 \n\t" \
268 "movl %6, %%d2 \n\t" \
269 "moveq #0, %%d0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]270
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]271#define MULADDC_CORE \
272 "movel %%a2@+, %%d1 \n\t" \
273 "mulul %%d2, %%d4:%%d1 \n\t" \
274 "addl %%d3, %%d1 \n\t" \
275 "addxl %%d0, %%d4 \n\t" \
276 "moveq #0, %%d3 \n\t" \
277 "addl %%d1, %%a3@+ \n\t" \
278 "addxl %%d4, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]279
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]280#define MULADDC_STOP \
281 "movl %%d3, %0 \n\t" \
282 "movl %%a3, %1 \n\t" \
283 "movl %%a2, %2 \n\t" \
Manuel Pégourié-Gonnard3b05e4c2014-01-10 15:30:23 +0100[diff] [blame]284 : "=m" (c), "=m" (d), "=m" (s) \
285 : "m" (s), "m" (d), "m" (c), "m" (b) \
286 : "d0", "d1", "d2", "d3", "d4", "a2", "a3" \
287 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]288
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]289#define MULADDC_HUIT \
290 "movel %%a2@+, %%d1 \n\t" \
291 "mulul %%d2, %%d4:%%d1 \n\t" \
292 "addxl %%d3, %%d1 \n\t" \
293 "addxl %%d0, %%d4 \n\t" \
294 "addl %%d1, %%a3@+ \n\t" \
295 "movel %%a2@+, %%d1 \n\t" \
296 "mulul %%d2, %%d3:%%d1 \n\t" \
297 "addxl %%d4, %%d1 \n\t" \
298 "addxl %%d0, %%d3 \n\t" \
299 "addl %%d1, %%a3@+ \n\t" \
300 "movel %%a2@+, %%d1 \n\t" \
301 "mulul %%d2, %%d4:%%d1 \n\t" \
302 "addxl %%d3, %%d1 \n\t" \
303 "addxl %%d0, %%d4 \n\t" \
304 "addl %%d1, %%a3@+ \n\t" \
305 "movel %%a2@+, %%d1 \n\t" \
306 "mulul %%d2, %%d3:%%d1 \n\t" \
307 "addxl %%d4, %%d1 \n\t" \
308 "addxl %%d0, %%d3 \n\t" \
309 "addl %%d1, %%a3@+ \n\t" \
310 "movel %%a2@+, %%d1 \n\t" \
311 "mulul %%d2, %%d4:%%d1 \n\t" \
312 "addxl %%d3, %%d1 \n\t" \
313 "addxl %%d0, %%d4 \n\t" \
314 "addl %%d1, %%a3@+ \n\t" \
315 "movel %%a2@+, %%d1 \n\t" \
316 "mulul %%d2, %%d3:%%d1 \n\t" \
317 "addxl %%d4, %%d1 \n\t" \
318 "addxl %%d0, %%d3 \n\t" \
319 "addl %%d1, %%a3@+ \n\t" \
320 "movel %%a2@+, %%d1 \n\t" \
321 "mulul %%d2, %%d4:%%d1 \n\t" \
322 "addxl %%d3, %%d1 \n\t" \
323 "addxl %%d0, %%d4 \n\t" \
324 "addl %%d1, %%a3@+ \n\t" \
325 "movel %%a2@+, %%d1 \n\t" \
326 "mulul %%d2, %%d3:%%d1 \n\t" \
327 "addxl %%d4, %%d1 \n\t" \
328 "addxl %%d0, %%d3 \n\t" \
329 "addl %%d1, %%a3@+ \n\t" \
330 "addxl %%d0, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]331
332#endif /* MC68000 */
333
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]334#if defined(__powerpc64__) || defined(__ppc64__)
335
336#if defined(__MACH__) && defined(__APPLE__)
337
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]338#define MULADDC_INIT \
339 asm( \
340 "ld r3, %3 \n\t" \
341 "ld r4, %4 \n\t" \
342 "ld r5, %5 \n\t" \
343 "ld r6, %6 \n\t" \
344 "addi r3, r3, -8 \n\t" \
345 "addi r4, r4, -8 \n\t" \
346 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]347
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]348#define MULADDC_CORE \
349 "ldu r7, 8(r3) \n\t" \
350 "mulld r8, r7, r6 \n\t" \
351 "mulhdu r9, r7, r6 \n\t" \
352 "adde r8, r8, r5 \n\t" \
353 "ld r7, 8(r4) \n\t" \
354 "addze r5, r9 \n\t" \
355 "addc r8, r8, r7 \n\t" \
356 "stdu r8, 8(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]357
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]358#define MULADDC_STOP \
359 "addze r5, r5 \n\t" \
360 "addi r4, r4, 8 \n\t" \
361 "addi r3, r3, 8 \n\t" \
362 "std r5, %0 \n\t" \
363 "std r4, %1 \n\t" \
364 "std r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]365 : "=m" (c), "=m" (d), "=m" (s) \
366 : "m" (s), "m" (d), "m" (c), "m" (b) \
367 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
368 );
369
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]370
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]371#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]372
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]373#define MULADDC_INIT \
374 asm( \
375 "ld %%r3, %3 \n\t" \
376 "ld %%r4, %4 \n\t" \
377 "ld %%r5, %5 \n\t" \
378 "ld %%r6, %6 \n\t" \
379 "addi %%r3, %%r3, -8 \n\t" \
380 "addi %%r4, %%r4, -8 \n\t" \
381 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]382
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]383#define MULADDC_CORE \
384 "ldu %%r7, 8(%%r3) \n\t" \
385 "mulld %%r8, %%r7, %%r6 \n\t" \
386 "mulhdu %%r9, %%r7, %%r6 \n\t" \
387 "adde %%r8, %%r8, %%r5 \n\t" \
388 "ld %%r7, 8(%%r4) \n\t" \
389 "addze %%r5, %%r9 \n\t" \
390 "addc %%r8, %%r8, %%r7 \n\t" \
391 "stdu %%r8, 8(%%r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]392
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]393#define MULADDC_STOP \
394 "addze %%r5, %%r5 \n\t" \
395 "addi %%r4, %%r4, 8 \n\t" \
396 "addi %%r3, %%r3, 8 \n\t" \
397 "std %%r5, %0 \n\t" \
398 "std %%r4, %1 \n\t" \
399 "std %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]400 : "=m" (c), "=m" (d), "=m" (s) \
401 : "m" (s), "m" (d), "m" (c), "m" (b) \
402 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
403 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]404
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]405#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]406
Barry K. Nathan35e7cb92014-05-05 23:26:13 -0700[diff] [blame]407#elif defined(__powerpc__) || defined(__ppc__) /* end PPC64/begin PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]408
409#if defined(__MACH__) && defined(__APPLE__)
410
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]411#define MULADDC_INIT \
412 asm( \
413 "lwz r3, %3 \n\t" \
414 "lwz r4, %4 \n\t" \
415 "lwz r5, %5 \n\t" \
416 "lwz r6, %6 \n\t" \
417 "addi r3, r3, -4 \n\t" \
418 "addi r4, r4, -4 \n\t" \
419 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]420
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]421#define MULADDC_CORE \
422 "lwzu r7, 4(r3) \n\t" \
423 "mullw r8, r7, r6 \n\t" \
424 "mulhwu r9, r7, r6 \n\t" \
425 "adde r8, r8, r5 \n\t" \
426 "lwz r7, 4(r4) \n\t" \
427 "addze r5, r9 \n\t" \
428 "addc r8, r8, r7 \n\t" \
429 "stwu r8, 4(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]430
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]431#define MULADDC_STOP \
432 "addze r5, r5 \n\t" \
433 "addi r4, r4, 4 \n\t" \
434 "addi r3, r3, 4 \n\t" \
435 "stw r5, %0 \n\t" \
436 "stw r4, %1 \n\t" \
437 "stw r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]438 : "=m" (c), "=m" (d), "=m" (s) \
439 : "m" (s), "m" (d), "m" (c), "m" (b) \
440 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
441 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]442
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]443#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]444
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]445#define MULADDC_INIT \
446 asm( \
447 "lwz %%r3, %3 \n\t" \
448 "lwz %%r4, %4 \n\t" \
449 "lwz %%r5, %5 \n\t" \
450 "lwz %%r6, %6 \n\t" \
451 "addi %%r3, %%r3, -4 \n\t" \
452 "addi %%r4, %%r4, -4 \n\t" \
453 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]454
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]455#define MULADDC_CORE \
456 "lwzu %%r7, 4(%%r3) \n\t" \
457 "mullw %%r8, %%r7, %%r6 \n\t" \
458 "mulhwu %%r9, %%r7, %%r6 \n\t" \
459 "adde %%r8, %%r8, %%r5 \n\t" \
460 "lwz %%r7, 4(%%r4) \n\t" \
461 "addze %%r5, %%r9 \n\t" \
462 "addc %%r8, %%r8, %%r7 \n\t" \
463 "stwu %%r8, 4(%%r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]464
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]465#define MULADDC_STOP \
466 "addze %%r5, %%r5 \n\t" \
467 "addi %%r4, %%r4, 4 \n\t" \
468 "addi %%r3, %%r3, 4 \n\t" \
469 "stw %%r5, %0 \n\t" \
470 "stw %%r4, %1 \n\t" \
471 "stw %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]472 : "=m" (c), "=m" (d), "=m" (s) \
473 : "m" (s), "m" (d), "m" (c), "m" (b) \
474 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
475 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]476
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]477#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]478
479#endif /* PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]480
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200[diff] [blame]481/*
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]482 * The Sparc(64) assembly is reported to be broken.
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200[diff] [blame]483 * Disable it for now, until we're able to fix it.
484 */
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]485#if 0 && defined(__sparc__)
486#if defined(__sparc64__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]487
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]488#define MULADDC_INIT \
489 asm( \
490 "ldx %3, %%o0 \n\t" \
491 "ldx %4, %%o1 \n\t" \
492 "ld %5, %%o2 \n\t" \
493 "ld %6, %%o3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]494
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]495#define MULADDC_CORE \
496 "ld [%%o0], %%o4 \n\t" \
497 "inc 4, %%o0 \n\t" \
498 "ld [%%o1], %%o5 \n\t" \
499 "umul %%o3, %%o4, %%o4 \n\t" \
500 "addcc %%o4, %%o2, %%o4 \n\t" \
501 "rd %%y, %%g1 \n\t" \
502 "addx %%g1, 0, %%g1 \n\t" \
503 "addcc %%o4, %%o5, %%o4 \n\t" \
504 "st %%o4, [%%o1] \n\t" \
505 "addx %%g1, 0, %%o2 \n\t" \
506 "inc 4, %%o1 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]507
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]508 #define MULADDC_STOP \
509 "st %%o2, %0 \n\t" \
510 "stx %%o1, %1 \n\t" \
511 "stx %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]512 : "=m" (c), "=m" (d), "=m" (s) \
513 : "m" (s), "m" (d), "m" (c), "m" (b) \
514 : "g1", "o0", "o1", "o2", "o3", "o4", \
515 "o5" \
516 );
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]517
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]518#else /* __sparc64__ */
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]519
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]520#define MULADDC_INIT \
521 asm( \
522 "ld %3, %%o0 \n\t" \
523 "ld %4, %%o1 \n\t" \
524 "ld %5, %%o2 \n\t" \
525 "ld %6, %%o3 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]526
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]527#define MULADDC_CORE \
528 "ld [%%o0], %%o4 \n\t" \
529 "inc 4, %%o0 \n\t" \
530 "ld [%%o1], %%o5 \n\t" \
531 "umul %%o3, %%o4, %%o4 \n\t" \
532 "addcc %%o4, %%o2, %%o4 \n\t" \
533 "rd %%y, %%g1 \n\t" \
534 "addx %%g1, 0, %%g1 \n\t" \
535 "addcc %%o4, %%o5, %%o4 \n\t" \
536 "st %%o4, [%%o1] \n\t" \
537 "addx %%g1, 0, %%o2 \n\t" \
538 "inc 4, %%o1 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]539
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]540#define MULADDC_STOP \
541 "st %%o2, %0 \n\t" \
542 "st %%o1, %1 \n\t" \
543 "st %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]544 : "=m" (c), "=m" (d), "=m" (s) \
545 : "m" (s), "m" (d), "m" (c), "m" (b) \
546 : "g1", "o0", "o1", "o2", "o3", "o4", \
547 "o5" \
548 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]549
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]550#endif /* __sparc64__ */
551#endif /* __sparc__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]552
553#if defined(__microblaze__) || defined(microblaze)
554
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]555#define MULADDC_INIT \
556 asm( \
557 "lwi r3, %3 \n\t" \
558 "lwi r4, %4 \n\t" \
559 "lwi r5, %5 \n\t" \
560 "lwi r6, %6 \n\t" \
561 "andi r7, r6, 0xffff \n\t" \
562 "bsrli r6, r6, 16 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]563
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]564#define MULADDC_CORE \
565 "lhui r8, r3, 0 \n\t" \
566 "addi r3, r3, 2 \n\t" \
567 "lhui r9, r3, 0 \n\t" \
568 "addi r3, r3, 2 \n\t" \
569 "mul r10, r9, r6 \n\t" \
570 "mul r11, r8, r7 \n\t" \
571 "mul r12, r9, r7 \n\t" \
572 "mul r13, r8, r6 \n\t" \
573 "bsrli r8, r10, 16 \n\t" \
574 "bsrli r9, r11, 16 \n\t" \
575 "add r13, r13, r8 \n\t" \
576 "add r13, r13, r9 \n\t" \
577 "bslli r10, r10, 16 \n\t" \
578 "bslli r11, r11, 16 \n\t" \
579 "add r12, r12, r10 \n\t" \
580 "addc r13, r13, r0 \n\t" \
581 "add r12, r12, r11 \n\t" \
582 "addc r13, r13, r0 \n\t" \
583 "lwi r10, r4, 0 \n\t" \
584 "add r12, r12, r10 \n\t" \
585 "addc r13, r13, r0 \n\t" \
586 "add r12, r12, r5 \n\t" \
587 "addc r5, r13, r0 \n\t" \
588 "swi r12, r4, 0 \n\t" \
589 "addi r4, r4, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]590
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]591#define MULADDC_STOP \
592 "swi r5, %0 \n\t" \
593 "swi r4, %1 \n\t" \
594 "swi r3, %2 \n\t" \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]595 : "=m" (c), "=m" (d), "=m" (s) \
596 : "m" (s), "m" (d), "m" (c), "m" (b) \
Zach van Rijne7d3f8e2018-05-21 10:52:34 -0400[diff] [blame]597 : "r3", "r4", "r5", "r6", "r7", "r8", \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]598 "r9", "r10", "r11", "r12", "r13" \
599 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]600
601#endif /* MicroBlaze */
602
603#if defined(__tricore__)
604
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]605#define MULADDC_INIT \
606 asm( \
607 "ld.a %%a2, %3 \n\t" \
608 "ld.a %%a3, %4 \n\t" \
609 "ld.w %%d4, %5 \n\t" \
610 "ld.w %%d1, %6 \n\t" \
611 "xor %%d5, %%d5 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]612
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]613#define MULADDC_CORE \
614 "ld.w %%d0, [%%a2+] \n\t" \
615 "madd.u %%e2, %%e4, %%d0, %%d1 \n\t" \
616 "ld.w %%d0, [%%a3] \n\t" \
617 "addx %%d2, %%d2, %%d0 \n\t" \
618 "addc %%d3, %%d3, 0 \n\t" \
619 "mov %%d4, %%d3 \n\t" \
620 "st.w [%%a3+], %%d2 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]621
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]622#define MULADDC_STOP \
623 "st.w %0, %%d4 \n\t" \
624 "st.a %1, %%a3 \n\t" \
625 "st.a %2, %%a2 \n\t" \
Manuel Pégourié-Gonnard3f687ad2014-01-10 15:47:50 +0100[diff] [blame]626 : "=m" (c), "=m" (d), "=m" (s) \
627 : "m" (s), "m" (d), "m" (c), "m" (b) \
628 : "d0", "d1", "e2", "d4", "a2", "a3" \
629 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]630
631#endif /* TriCore */
632
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]633/*
Simon Butcher3ad2efd2018-05-02 14:49:38 +0100[diff] [blame]634 * Note, gcc -O0 by default uses r7 for the frame pointer, so it complains about
635 * our use of r7 below, unless -fomit-frame-pointer is passed.
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]636 *
637 * On the other hand, -fomit-frame-pointer is implied by any -Ox options with
638 * x !=0, which we can detect using __OPTIMIZE__ (which is also defined by
639 * clang and armcc5 under the same conditions).
640 *
641 * So, only use the optimized assembly below for optimized build, which avoids
642 * the build error and is pretty reasonable anyway.
643 */
644#if defined(__GNUC__) && !defined(__OPTIMIZE__)
Manuel Pégourié-Gonnard365f3252016-01-08 14:58:45 +0100[diff] [blame]645#define MULADDC_CANNOT_USE_R7
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]646#endif
647
Manuel Pégourié-Gonnard365f3252016-01-08 14:58:45 +0100[diff] [blame]648#if defined(__arm__) && !defined(MULADDC_CANNOT_USE_R7)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]649
Paul Bakkerfc4f46f2013-06-24 19:23:56 +0200[diff] [blame]650#if defined(__thumb__) && !defined(__thumb2__)
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]651
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]652#define MULADDC_INIT \
653 asm( \
654 "ldr r0, %3 \n\t" \
655 "ldr r1, %4 \n\t" \
656 "ldr r2, %5 \n\t" \
657 "ldr r3, %6 \n\t" \
658 "lsr r7, r3, #16 \n\t" \
659 "mov r9, r7 \n\t" \
660 "lsl r7, r3, #16 \n\t" \
661 "lsr r7, r7, #16 \n\t" \
662 "mov r8, r7 \n\t"
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]663
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]664#define MULADDC_CORE \
665 "ldmia r0!, {r6} \n\t" \
666 "lsr r7, r6, #16 \n\t" \
667 "lsl r6, r6, #16 \n\t" \
668 "lsr r6, r6, #16 \n\t" \
669 "mov r4, r8 \n\t" \
670 "mul r4, r6 \n\t" \
671 "mov r3, r9 \n\t" \
672 "mul r6, r3 \n\t" \
673 "mov r5, r9 \n\t" \
674 "mul r5, r7 \n\t" \
675 "mov r3, r8 \n\t" \
676 "mul r7, r3 \n\t" \
677 "lsr r3, r6, #16 \n\t" \
678 "add r5, r5, r3 \n\t" \
679 "lsr r3, r7, #16 \n\t" \
680 "add r5, r5, r3 \n\t" \
681 "add r4, r4, r2 \n\t" \
682 "mov r2, #0 \n\t" \
683 "adc r5, r2 \n\t" \
684 "lsl r3, r6, #16 \n\t" \
685 "add r4, r4, r3 \n\t" \
686 "adc r5, r2 \n\t" \
687 "lsl r3, r7, #16 \n\t" \
688 "add r4, r4, r3 \n\t" \
689 "adc r5, r2 \n\t" \
690 "ldr r3, [r1] \n\t" \
691 "add r4, r4, r3 \n\t" \
692 "adc r2, r5 \n\t" \
693 "stmia r1!, {r4} \n\t"
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]694
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]695#define MULADDC_STOP \
696 "str r2, %0 \n\t" \
697 "str r1, %1 \n\t" \
698 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]699 : "=m" (c), "=m" (d), "=m" (s) \
700 : "m" (s), "m" (d), "m" (c), "m" (b) \
701 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]702 "r6", "r7", "r8", "r9", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]703 );
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]704
Aurelien Jarno5daa34f2018-11-03 00:46:06 +0100[diff] [blame]705#elif (__ARM_ARCH >= 6) && \
706 defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
Aurelien Jarno16b1bd82018-05-21 22:01:21 +0200[diff] [blame]707
708#define MULADDC_INIT \
709 asm(
710
711#define MULADDC_CORE \
712 "ldr r0, [%0], #4 \n\t" \
713 "ldr r1, [%1] \n\t" \
714 "umaal r1, %2, %3, r0 \n\t" \
715 "str r1, [%1], #4 \n\t"
716
717#define MULADDC_STOP \
718 : "=r" (s), "=r" (d), "=r" (c) \
719 : "r" (b), "0" (s), "1" (d), "2" (c) \
720 : "r0", "r1", "memory" \
721 );
722
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]723#else
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]724
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]725#define MULADDC_INIT \
726 asm( \
727 "ldr r0, %3 \n\t" \
728 "ldr r1, %4 \n\t" \
729 "ldr r2, %5 \n\t" \
730 "ldr r3, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]731
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]732#define MULADDC_CORE \
733 "ldr r4, [r0], #4 \n\t" \
734 "mov r5, #0 \n\t" \
735 "ldr r6, [r1] \n\t" \
736 "umlal r2, r5, r3, r4 \n\t" \
737 "adds r7, r6, r2 \n\t" \
738 "adc r2, r5, #0 \n\t" \
739 "str r7, [r1], #4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]740
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]741#define MULADDC_STOP \
742 "str r2, %0 \n\t" \
743 "str r1, %1 \n\t" \
744 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]745 : "=m" (c), "=m" (d), "=m" (s) \
746 : "m" (s), "m" (d), "m" (c), "m" (b) \
747 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]748 "r6", "r7", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]749 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]750
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]751#endif /* Thumb */
752
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]753#endif /* ARMv3 */
754
755#if defined(__alpha__)
756
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]757#define MULADDC_INIT \
758 asm( \
759 "ldq $1, %3 \n\t" \
760 "ldq $2, %4 \n\t" \
761 "ldq $3, %5 \n\t" \
762 "ldq $4, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]763
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]764#define MULADDC_CORE \
765 "ldq $6, 0($1) \n\t" \
766 "addq $1, 8, $1 \n\t" \
767 "mulq $6, $4, $7 \n\t" \
768 "umulh $6, $4, $6 \n\t" \
769 "addq $7, $3, $7 \n\t" \
770 "cmpult $7, $3, $3 \n\t" \
771 "ldq $5, 0($2) \n\t" \
772 "addq $7, $5, $7 \n\t" \
773 "cmpult $7, $5, $5 \n\t" \
774 "stq $7, 0($2) \n\t" \
775 "addq $2, 8, $2 \n\t" \
776 "addq $6, $3, $3 \n\t" \
777 "addq $5, $3, $3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]778
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]779#define MULADDC_STOP \
780 "stq $3, %0 \n\t" \
781 "stq $2, %1 \n\t" \
782 "stq $1, %2 \n\t" \
Manuel Pégourié-Gonnard5af8e642014-01-10 15:53:41 +0100[diff] [blame]783 : "=m" (c), "=m" (d), "=m" (s) \
784 : "m" (s), "m" (d), "m" (c), "m" (b) \
785 : "$1", "$2", "$3", "$4", "$5", "$6", "$7" \
786 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]787#endif /* Alpha */
788
James Cowgilld1e7e8b2014-12-16 15:24:06 +0000[diff] [blame]789#if defined(__mips__) && !defined(__mips64)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]790
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]791#define MULADDC_INIT \
792 asm( \
793 "lw $10, %3 \n\t" \
794 "lw $11, %4 \n\t" \
795 "lw $12, %5 \n\t" \
796 "lw $13, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]797
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]798#define MULADDC_CORE \
799 "lw $14, 0($10) \n\t" \
800 "multu $13, $14 \n\t" \
801 "addi $10, $10, 4 \n\t" \
802 "mflo $14 \n\t" \
803 "mfhi $9 \n\t" \
804 "addu $14, $12, $14 \n\t" \
805 "lw $15, 0($11) \n\t" \
806 "sltu $12, $14, $12 \n\t" \
807 "addu $15, $14, $15 \n\t" \
808 "sltu $14, $15, $14 \n\t" \
809 "addu $12, $12, $9 \n\t" \
810 "sw $15, 0($11) \n\t" \
811 "addu $12, $12, $14 \n\t" \
812 "addi $11, $11, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]813
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]814#define MULADDC_STOP \
815 "sw $12, %0 \n\t" \
816 "sw $11, %1 \n\t" \
817 "sw $10, %2 \n\t" \
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]818 : "=m" (c), "=m" (d), "=m" (s) \
819 : "m" (s), "m" (d), "m" (c), "m" (b) \
Jeffrey Martind25fd8d2019-01-14 18:01:40 -0600[diff] [blame]820 : "$9", "$10", "$11", "$12", "$13", "$14", "$15", "lo", "hi" \
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]821 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]822
823#endif /* MIPS */
824#endif /* GNUC */
825
826#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
827
828#define MULADDC_INIT \
829 __asm mov esi, s \
830 __asm mov edi, d \
831 __asm mov ecx, c \
832 __asm mov ebx, b
833
834#define MULADDC_CORE \
835 __asm lodsd \
836 __asm mul ebx \
837 __asm add eax, ecx \
838 __asm adc edx, 0 \
839 __asm add eax, [edi] \
840 __asm adc edx, 0 \
841 __asm mov ecx, edx \
842 __asm stosd
843
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]844#if defined(MBEDTLS_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]845
846#define EMIT __asm _emit
847
848#define MULADDC_HUIT \
849 EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
850 EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
851 EMIT 0x0F EMIT 0x6E EMIT 0x1F \
852 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
853 EMIT 0x0F EMIT 0x6E EMIT 0x16 \
854 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
855 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
856 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
857 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
858 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
859 EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
860 EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
861 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
862 EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
863 EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
864 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
865 EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
866 EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
867 EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
868 EMIT 0x0F EMIT 0x7E EMIT 0x0F \
869 EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
870 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
871 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
872 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
873 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
874 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
875 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
876 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
877 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
878 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
879 EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
880 EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
881 EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
882 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
883 EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
884 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
885 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
886 EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
887 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
888 EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
889 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
890 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
891 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
892 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
893 EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
894 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
895 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
896 EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
897 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
898 EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
899 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
900 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
901 EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
902 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
903 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
904 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
905 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
906 EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
907 EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
908 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
909 EMIT 0x0F EMIT 0x7E EMIT 0xC9
910
911#define MULADDC_STOP \
912 EMIT 0x0F EMIT 0x77 \
913 __asm mov c, ecx \
914 __asm mov d, edi \
915 __asm mov s, esi \
916
917#else
918
919#define MULADDC_STOP \
920 __asm mov c, ecx \
921 __asm mov d, edi \
922 __asm mov s, esi \
923
924#endif /* SSE2 */
925#endif /* MSVC */
926
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]927#endif /* MBEDTLS_HAVE_ASM */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]928
929#if !defined(MULADDC_CORE)
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]930#if defined(MBEDTLS_HAVE_UDBL)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]931
932#define MULADDC_INIT \
933{ \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]934 mbedtls_t_udbl r; \
935 mbedtls_mpi_uint r0, r1;
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]936
937#define MULADDC_CORE \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]938 r = *(s++) * (mbedtls_t_udbl) b; \
939 r0 = (mbedtls_mpi_uint) r; \
940 r1 = (mbedtls_mpi_uint)( r >> biL ); \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]941 r0 += c; r1 += (r0 < c); \
942 r0 += *d; r1 += (r0 < *d); \
943 c = r1; *(d++) = r0;
944
945#define MULADDC_STOP \
946}
947
948#else
949#define MULADDC_INIT \
950{ \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]951 mbedtls_mpi_uint s0, s1, b0, b1; \
952 mbedtls_mpi_uint r0, r1, rx, ry; \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]953 b0 = ( b << biH ) >> biH; \
954 b1 = ( b >> biH );
955
956#define MULADDC_CORE \
957 s0 = ( *s << biH ) >> biH; \
958 s1 = ( *s >> biH ); s++; \
959 rx = s0 * b1; r0 = s0 * b0; \
960 ry = s1 * b0; r1 = s1 * b1; \
961 r1 += ( rx >> biH ); \
962 r1 += ( ry >> biH ); \
963 rx <<= biH; ry <<= biH; \
964 r0 += rx; r1 += (r0 < rx); \
965 r0 += ry; r1 += (r0 < ry); \
966 r0 += c; r1 += (r0 < c); \
967 r0 += *d; r1 += (r0 < *d); \
968 c = r1; *(d++) = r0;
969
970#define MULADDC_STOP \
971}
972
973#endif /* C (generic) */
974#endif /* C (longlong) */
975
976#endif /* bn_mul.h */