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review.trustedfirmware.org / mirror / mbed-tls / cb260bb30d5d3e17ab7ca945f03b0808a67b1812 / . / include / mbedtls / bn_mul.h
blob: 163869ae79a82b9a92143b1b0af33581504b1ae5 [file] [log] [blame]
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]1/**
2 * \file bn_mul.h
Paul Bakkere0ccd0a2009-01-04 16:27:10 +0000[diff] [blame]3 *
Darryl Greena40a1012018-01-05 15:33:17 +0000[diff] [blame]4 * \brief Multi-precision integer library
5 */
6/*
Manuel Pégourié-Gonnard6fb81872015-07-27 11:11:48 +0200[diff] [blame]7 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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 Bakkerb96f1542010-07-18 20:36:00 +0000[diff] [blame]21 *
Manuel Pégourié-Gonnardfe446432015-03-06 13:17:10 +0000[diff] [blame]22 * This file is part of mbed TLS (https://tls.mbed.org)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]23 */
24/*
25 * Multiply source vector [s] with b, add result
26 * to destination vector [d] and set carry c.
27 *
28 * Currently supports:
29 *
30 * . IA-32 (386+) . AMD64 / EM64T
31 * . IA-32 (SSE2) . Motorola 68000
32 * . PowerPC, 32-bit . MicroBlaze
33 * . PowerPC, 64-bit . TriCore
34 * . SPARC v8 . ARM v3+
35 * . Alpha . MIPS32
36 * . C, longlong . C, generic
37 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]38#ifndef MBEDTLS_BN_MUL_H
39#define MBEDTLS_BN_MUL_H
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]40
Ron Eldor8b0cf2e2018-02-14 16:02:41 +0200[diff] [blame]41#if !defined(MBEDTLS_CONFIG_FILE)
Jaeden Ameroc49fbbf2019-07-04 20:01:14 +0100[diff] [blame]42#include "mbedtls/config.h"
Ron Eldor8b0cf2e2018-02-14 16:02:41 +0200[diff] [blame]43#else
44#include MBEDTLS_CONFIG_FILE
45#endif
46
Jaeden Ameroc49fbbf2019-07-04 20:01:14 +0100[diff] [blame]47#include "mbedtls/bignum.h"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]48
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]49#if defined(MBEDTLS_HAVE_ASM)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]50
Manuel Pégourié-Gonnardba194322015-05-29 09:47:57 +0200[diff] [blame]51#ifndef asm
52#define asm __asm
53#endif
54
Manuel Pégourié-Gonnard854dab92015-08-10 12:08:34 +0200[diff] [blame]55/* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */
56#if defined(__GNUC__) && \
57 ( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 )
Simon Butcher4b9a3ad2018-07-10 20:18:29 +0100[diff] [blame]58
59/*
60 * Disable use of the i386 assembly code below if option -O0, to disable all
61 * compiler optimisations, is passed, detected with __OPTIMIZE__
62 * This is done as the number of registers used in the assembly code doesn't
63 * work with the -O0 option.
64 */
Simon Butchere459f072018-07-23 09:44:42 +0100[diff] [blame]65#if defined(__i386__) && defined(__OPTIMIZE__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]66
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]67#define MULADDC_INIT \
68 asm( \
69 "movl %%ebx, %0 \n\t" \
70 "movl %5, %%esi \n\t" \
71 "movl %6, %%edi \n\t" \
72 "movl %7, %%ecx \n\t" \
73 "movl %8, %%ebx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]74
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]75#define MULADDC_CORE \
76 "lodsl \n\t" \
77 "mull %%ebx \n\t" \
78 "addl %%ecx, %%eax \n\t" \
79 "adcl $0, %%edx \n\t" \
80 "addl (%%edi), %%eax \n\t" \
81 "adcl $0, %%edx \n\t" \
82 "movl %%edx, %%ecx \n\t" \
83 "stosl \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]84
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]85#if defined(MBEDTLS_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]86
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]87#define MULADDC_HUIT \
88 "movd %%ecx, %%mm1 \n\t" \
89 "movd %%ebx, %%mm0 \n\t" \
90 "movd (%%edi), %%mm3 \n\t" \
91 "paddq %%mm3, %%mm1 \n\t" \
92 "movd (%%esi), %%mm2 \n\t" \
93 "pmuludq %%mm0, %%mm2 \n\t" \
94 "movd 4(%%esi), %%mm4 \n\t" \
95 "pmuludq %%mm0, %%mm4 \n\t" \
96 "movd 8(%%esi), %%mm6 \n\t" \
97 "pmuludq %%mm0, %%mm6 \n\t" \
98 "movd 12(%%esi), %%mm7 \n\t" \
99 "pmuludq %%mm0, %%mm7 \n\t" \
100 "paddq %%mm2, %%mm1 \n\t" \
101 "movd 4(%%edi), %%mm3 \n\t" \
102 "paddq %%mm4, %%mm3 \n\t" \
103 "movd 8(%%edi), %%mm5 \n\t" \
104 "paddq %%mm6, %%mm5 \n\t" \
105 "movd 12(%%edi), %%mm4 \n\t" \
106 "paddq %%mm4, %%mm7 \n\t" \
107 "movd %%mm1, (%%edi) \n\t" \
108 "movd 16(%%esi), %%mm2 \n\t" \
109 "pmuludq %%mm0, %%mm2 \n\t" \
110 "psrlq $32, %%mm1 \n\t" \
111 "movd 20(%%esi), %%mm4 \n\t" \
112 "pmuludq %%mm0, %%mm4 \n\t" \
113 "paddq %%mm3, %%mm1 \n\t" \
114 "movd 24(%%esi), %%mm6 \n\t" \
115 "pmuludq %%mm0, %%mm6 \n\t" \
116 "movd %%mm1, 4(%%edi) \n\t" \
117 "psrlq $32, %%mm1 \n\t" \
118 "movd 28(%%esi), %%mm3 \n\t" \
119 "pmuludq %%mm0, %%mm3 \n\t" \
120 "paddq %%mm5, %%mm1 \n\t" \
121 "movd 16(%%edi), %%mm5 \n\t" \
122 "paddq %%mm5, %%mm2 \n\t" \
123 "movd %%mm1, 8(%%edi) \n\t" \
124 "psrlq $32, %%mm1 \n\t" \
125 "paddq %%mm7, %%mm1 \n\t" \
126 "movd 20(%%edi), %%mm5 \n\t" \
127 "paddq %%mm5, %%mm4 \n\t" \
128 "movd %%mm1, 12(%%edi) \n\t" \
129 "psrlq $32, %%mm1 \n\t" \
130 "paddq %%mm2, %%mm1 \n\t" \
131 "movd 24(%%edi), %%mm5 \n\t" \
132 "paddq %%mm5, %%mm6 \n\t" \
133 "movd %%mm1, 16(%%edi) \n\t" \
134 "psrlq $32, %%mm1 \n\t" \
135 "paddq %%mm4, %%mm1 \n\t" \
136 "movd 28(%%edi), %%mm5 \n\t" \
137 "paddq %%mm5, %%mm3 \n\t" \
138 "movd %%mm1, 20(%%edi) \n\t" \
139 "psrlq $32, %%mm1 \n\t" \
140 "paddq %%mm6, %%mm1 \n\t" \
141 "movd %%mm1, 24(%%edi) \n\t" \
142 "psrlq $32, %%mm1 \n\t" \
143 "paddq %%mm3, %%mm1 \n\t" \
144 "movd %%mm1, 28(%%edi) \n\t" \
145 "addl $32, %%edi \n\t" \
146 "addl $32, %%esi \n\t" \
147 "psrlq $32, %%mm1 \n\t" \
148 "movd %%mm1, %%ecx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]149
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]150#define MULADDC_STOP \
151 "emms \n\t" \
152 "movl %4, %%ebx \n\t" \
153 "movl %%ecx, %1 \n\t" \
154 "movl %%edi, %2 \n\t" \
155 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]156 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
157 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
Simon Butcher53571642018-06-24 12:58:31 +0100[diff] [blame]158 : "eax", "ebx", "ecx", "edx", "esi", "edi" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]159 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]160
161#else
162
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]163#define MULADDC_STOP \
164 "movl %4, %%ebx \n\t" \
165 "movl %%ecx, %1 \n\t" \
166 "movl %%edi, %2 \n\t" \
167 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]168 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
169 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
Simon Butcher53571642018-06-24 12:58:31 +0100[diff] [blame]170 : "eax", "ebx", "ecx", "edx", "esi", "edi" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]171 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]172#endif /* SSE2 */
173#endif /* i386 */
174
175#if defined(__amd64__) || defined (__x86_64__)
176
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]177#define MULADDC_INIT \
178 asm( \
Simon Butchera86de142018-09-30 12:09:47 +0100[diff] [blame]179 "xorq %%r8, %%r8\n"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]180
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]181#define MULADDC_CORE \
Simon Butchera86de142018-09-30 12:09:47 +0100[diff] [blame]182 "movq (%%rsi), %%rax\n" \
183 "mulq %%rbx\n" \
184 "addq $8, %%rsi\n" \
185 "addq %%rcx, %%rax\n" \
186 "movq %%r8, %%rcx\n" \
187 "adcq $0, %%rdx\n" \
188 "nop \n" \
189 "addq %%rax, (%%rdi)\n" \
190 "adcq %%rdx, %%rcx\n" \
191 "addq $8, %%rdi\n"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]192
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]193#define MULADDC_STOP \
James Cowgill21e402a2015-12-17 01:51:09 +0000[diff] [blame]194 : "+c" (c), "+D" (d), "+S" (s) \
195 : "b" (b) \
196 : "rax", "rdx", "r8" \
Manuel Pégourié-Gonnarddef018d2014-01-07 17:50:46 +0100[diff] [blame]197 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]198
199#endif /* AMD64 */
200
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]201#if defined(__aarch64__)
202
203#define MULADDC_INIT \
204 asm(
205
206#define MULADDC_CORE \
Ko-cb260bb2018-08-20 13:59:53 +0100[diff] [blame^]207 "ldr x4, [%2], #8 \n\t" \
208 "ldr x5, [%1] \n\t" \
209 "mul x6, x4, %3 \n\t" \
210 "umulh x7, x4, %3 \n\t" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]211 "adds x5, x5, x6 \n\t" \
212 "adc x7, x7, xzr \n\t" \
Ko-cb260bb2018-08-20 13:59:53 +0100[diff] [blame^]213 "adds x5, x5, %0 \n\t" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]214 "adc %0, x7, xzr \n\t" \
215 "str x5, [%1], #8 \n\t"
216
Ko-cb260bb2018-08-20 13:59:53 +0100[diff] [blame^]217#define MULADDC_STOP \
218 : "+r" (c), "+r" (d), "+r" (s) \
219 : "r" (b) \
220 : "x4", "x5", "x6", "x7", "cc" \
Ko-cc1871e2018-08-16 02:01:57 -0700[diff] [blame]221 );
222
223#endif /* Aarch64 */
224
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]225#if defined(__mc68020__) || defined(__mcpu32__)
226
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]227#define MULADDC_INIT \
228 asm( \
229 "movl %3, %%a2 \n\t" \
230 "movl %4, %%a3 \n\t" \
231 "movl %5, %%d3 \n\t" \
232 "movl %6, %%d2 \n\t" \
233 "moveq #0, %%d0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]234
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]235#define MULADDC_CORE \
236 "movel %%a2@+, %%d1 \n\t" \
237 "mulul %%d2, %%d4:%%d1 \n\t" \
238 "addl %%d3, %%d1 \n\t" \
239 "addxl %%d0, %%d4 \n\t" \
240 "moveq #0, %%d3 \n\t" \
241 "addl %%d1, %%a3@+ \n\t" \
242 "addxl %%d4, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]243
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]244#define MULADDC_STOP \
245 "movl %%d3, %0 \n\t" \
246 "movl %%a3, %1 \n\t" \
247 "movl %%a2, %2 \n\t" \
Manuel Pégourié-Gonnard3b05e4c2014-01-10 15:30:23 +0100[diff] [blame]248 : "=m" (c), "=m" (d), "=m" (s) \
249 : "m" (s), "m" (d), "m" (c), "m" (b) \
250 : "d0", "d1", "d2", "d3", "d4", "a2", "a3" \
251 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]252
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]253#define MULADDC_HUIT \
254 "movel %%a2@+, %%d1 \n\t" \
255 "mulul %%d2, %%d4:%%d1 \n\t" \
256 "addxl %%d3, %%d1 \n\t" \
257 "addxl %%d0, %%d4 \n\t" \
258 "addl %%d1, %%a3@+ \n\t" \
259 "movel %%a2@+, %%d1 \n\t" \
260 "mulul %%d2, %%d3:%%d1 \n\t" \
261 "addxl %%d4, %%d1 \n\t" \
262 "addxl %%d0, %%d3 \n\t" \
263 "addl %%d1, %%a3@+ \n\t" \
264 "movel %%a2@+, %%d1 \n\t" \
265 "mulul %%d2, %%d4:%%d1 \n\t" \
266 "addxl %%d3, %%d1 \n\t" \
267 "addxl %%d0, %%d4 \n\t" \
268 "addl %%d1, %%a3@+ \n\t" \
269 "movel %%a2@+, %%d1 \n\t" \
270 "mulul %%d2, %%d3:%%d1 \n\t" \
271 "addxl %%d4, %%d1 \n\t" \
272 "addxl %%d0, %%d3 \n\t" \
273 "addl %%d1, %%a3@+ \n\t" \
274 "movel %%a2@+, %%d1 \n\t" \
275 "mulul %%d2, %%d4:%%d1 \n\t" \
276 "addxl %%d3, %%d1 \n\t" \
277 "addxl %%d0, %%d4 \n\t" \
278 "addl %%d1, %%a3@+ \n\t" \
279 "movel %%a2@+, %%d1 \n\t" \
280 "mulul %%d2, %%d3:%%d1 \n\t" \
281 "addxl %%d4, %%d1 \n\t" \
282 "addxl %%d0, %%d3 \n\t" \
283 "addl %%d1, %%a3@+ \n\t" \
284 "movel %%a2@+, %%d1 \n\t" \
285 "mulul %%d2, %%d4:%%d1 \n\t" \
286 "addxl %%d3, %%d1 \n\t" \
287 "addxl %%d0, %%d4 \n\t" \
288 "addl %%d1, %%a3@+ \n\t" \
289 "movel %%a2@+, %%d1 \n\t" \
290 "mulul %%d2, %%d3:%%d1 \n\t" \
291 "addxl %%d4, %%d1 \n\t" \
292 "addxl %%d0, %%d3 \n\t" \
293 "addl %%d1, %%a3@+ \n\t" \
294 "addxl %%d0, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]295
296#endif /* MC68000 */
297
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]298#if defined(__powerpc64__) || defined(__ppc64__)
299
300#if defined(__MACH__) && defined(__APPLE__)
301
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]302#define MULADDC_INIT \
303 asm( \
304 "ld r3, %3 \n\t" \
305 "ld r4, %4 \n\t" \
306 "ld r5, %5 \n\t" \
307 "ld r6, %6 \n\t" \
308 "addi r3, r3, -8 \n\t" \
309 "addi r4, r4, -8 \n\t" \
310 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]311
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]312#define MULADDC_CORE \
313 "ldu r7, 8(r3) \n\t" \
314 "mulld r8, r7, r6 \n\t" \
315 "mulhdu r9, r7, r6 \n\t" \
316 "adde r8, r8, r5 \n\t" \
317 "ld r7, 8(r4) \n\t" \
318 "addze r5, r9 \n\t" \
319 "addc r8, r8, r7 \n\t" \
320 "stdu r8, 8(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]321
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]322#define MULADDC_STOP \
323 "addze r5, r5 \n\t" \
324 "addi r4, r4, 8 \n\t" \
325 "addi r3, r3, 8 \n\t" \
326 "std r5, %0 \n\t" \
327 "std r4, %1 \n\t" \
328 "std r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]329 : "=m" (c), "=m" (d), "=m" (s) \
330 : "m" (s), "m" (d), "m" (c), "m" (b) \
331 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
332 );
333
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]334
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]335#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]336
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]337#define MULADDC_INIT \
338 asm( \
339 "ld %%r3, %3 \n\t" \
340 "ld %%r4, %4 \n\t" \
341 "ld %%r5, %5 \n\t" \
342 "ld %%r6, %6 \n\t" \
343 "addi %%r3, %%r3, -8 \n\t" \
344 "addi %%r4, %%r4, -8 \n\t" \
345 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]346
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]347#define MULADDC_CORE \
348 "ldu %%r7, 8(%%r3) \n\t" \
349 "mulld %%r8, %%r7, %%r6 \n\t" \
350 "mulhdu %%r9, %%r7, %%r6 \n\t" \
351 "adde %%r8, %%r8, %%r5 \n\t" \
352 "ld %%r7, 8(%%r4) \n\t" \
353 "addze %%r5, %%r9 \n\t" \
354 "addc %%r8, %%r8, %%r7 \n\t" \
355 "stdu %%r8, 8(%%r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]356
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]357#define MULADDC_STOP \
358 "addze %%r5, %%r5 \n\t" \
359 "addi %%r4, %%r4, 8 \n\t" \
360 "addi %%r3, %%r3, 8 \n\t" \
361 "std %%r5, %0 \n\t" \
362 "std %%r4, %1 \n\t" \
363 "std %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]364 : "=m" (c), "=m" (d), "=m" (s) \
365 : "m" (s), "m" (d), "m" (c), "m" (b) \
366 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
367 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]368
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]369#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]370
Barry K. Nathan35e7cb92014-05-05 23:26:13 -0700[diff] [blame]371#elif defined(__powerpc__) || defined(__ppc__) /* end PPC64/begin PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]372
373#if defined(__MACH__) && defined(__APPLE__)
374
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]375#define MULADDC_INIT \
376 asm( \
377 "lwz r3, %3 \n\t" \
378 "lwz r4, %4 \n\t" \
379 "lwz r5, %5 \n\t" \
380 "lwz r6, %6 \n\t" \
381 "addi r3, r3, -4 \n\t" \
382 "addi r4, r4, -4 \n\t" \
383 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]384
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]385#define MULADDC_CORE \
386 "lwzu r7, 4(r3) \n\t" \
387 "mullw r8, r7, r6 \n\t" \
388 "mulhwu r9, r7, r6 \n\t" \
389 "adde r8, r8, r5 \n\t" \
390 "lwz r7, 4(r4) \n\t" \
391 "addze r5, r9 \n\t" \
392 "addc r8, r8, r7 \n\t" \
393 "stwu r8, 4(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]394
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]395#define MULADDC_STOP \
396 "addze r5, r5 \n\t" \
397 "addi r4, r4, 4 \n\t" \
398 "addi r3, r3, 4 \n\t" \
399 "stw r5, %0 \n\t" \
400 "stw r4, %1 \n\t" \
401 "stw r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]402 : "=m" (c), "=m" (d), "=m" (s) \
403 : "m" (s), "m" (d), "m" (c), "m" (b) \
404 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
405 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]406
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]407#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]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#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]442
443#endif /* PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]444
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200[diff] [blame]445/*
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]446 * The Sparc(64) assembly is reported to be broken.
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200[diff] [blame]447 * Disable it for now, until we're able to fix it.
448 */
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]449#if 0 && defined(__sparc__)
450#if defined(__sparc64__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]451
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]452#define MULADDC_INIT \
453 asm( \
454 "ldx %3, %%o0 \n\t" \
455 "ldx %4, %%o1 \n\t" \
456 "ld %5, %%o2 \n\t" \
457 "ld %6, %%o3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]458
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]459#define MULADDC_CORE \
460 "ld [%%o0], %%o4 \n\t" \
461 "inc 4, %%o0 \n\t" \
462 "ld [%%o1], %%o5 \n\t" \
463 "umul %%o3, %%o4, %%o4 \n\t" \
464 "addcc %%o4, %%o2, %%o4 \n\t" \
465 "rd %%y, %%g1 \n\t" \
466 "addx %%g1, 0, %%g1 \n\t" \
467 "addcc %%o4, %%o5, %%o4 \n\t" \
468 "st %%o4, [%%o1] \n\t" \
469 "addx %%g1, 0, %%o2 \n\t" \
470 "inc 4, %%o1 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]471
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]472 #define MULADDC_STOP \
473 "st %%o2, %0 \n\t" \
474 "stx %%o1, %1 \n\t" \
475 "stx %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]476 : "=m" (c), "=m" (d), "=m" (s) \
477 : "m" (s), "m" (d), "m" (c), "m" (b) \
478 : "g1", "o0", "o1", "o2", "o3", "o4", \
479 "o5" \
480 );
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]481
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]482#else /* __sparc64__ */
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]483
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]484#define MULADDC_INIT \
485 asm( \
486 "ld %3, %%o0 \n\t" \
487 "ld %4, %%o1 \n\t" \
488 "ld %5, %%o2 \n\t" \
489 "ld %6, %%o3 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]490
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]491#define MULADDC_CORE \
492 "ld [%%o0], %%o4 \n\t" \
493 "inc 4, %%o0 \n\t" \
494 "ld [%%o1], %%o5 \n\t" \
495 "umul %%o3, %%o4, %%o4 \n\t" \
496 "addcc %%o4, %%o2, %%o4 \n\t" \
497 "rd %%y, %%g1 \n\t" \
498 "addx %%g1, 0, %%g1 \n\t" \
499 "addcc %%o4, %%o5, %%o4 \n\t" \
500 "st %%o4, [%%o1] \n\t" \
501 "addx %%g1, 0, %%o2 \n\t" \
502 "inc 4, %%o1 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]503
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]504#define MULADDC_STOP \
505 "st %%o2, %0 \n\t" \
506 "st %%o1, %1 \n\t" \
507 "st %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]508 : "=m" (c), "=m" (d), "=m" (s) \
509 : "m" (s), "m" (d), "m" (c), "m" (b) \
510 : "g1", "o0", "o1", "o2", "o3", "o4", \
511 "o5" \
512 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]513
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]514#endif /* __sparc64__ */
515#endif /* __sparc__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]516
517#if defined(__microblaze__) || defined(microblaze)
518
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]519#define MULADDC_INIT \
520 asm( \
521 "lwi r3, %3 \n\t" \
522 "lwi r4, %4 \n\t" \
523 "lwi r5, %5 \n\t" \
524 "lwi r6, %6 \n\t" \
525 "andi r7, r6, 0xffff \n\t" \
526 "bsrli r6, r6, 16 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]527
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]528#define MULADDC_CORE \
529 "lhui r8, r3, 0 \n\t" \
530 "addi r3, r3, 2 \n\t" \
531 "lhui r9, r3, 0 \n\t" \
532 "addi r3, r3, 2 \n\t" \
533 "mul r10, r9, r6 \n\t" \
534 "mul r11, r8, r7 \n\t" \
535 "mul r12, r9, r7 \n\t" \
536 "mul r13, r8, r6 \n\t" \
537 "bsrli r8, r10, 16 \n\t" \
538 "bsrli r9, r11, 16 \n\t" \
539 "add r13, r13, r8 \n\t" \
540 "add r13, r13, r9 \n\t" \
541 "bslli r10, r10, 16 \n\t" \
542 "bslli r11, r11, 16 \n\t" \
543 "add r12, r12, r10 \n\t" \
544 "addc r13, r13, r0 \n\t" \
545 "add r12, r12, r11 \n\t" \
546 "addc r13, r13, r0 \n\t" \
547 "lwi r10, r4, 0 \n\t" \
548 "add r12, r12, r10 \n\t" \
549 "addc r13, r13, r0 \n\t" \
550 "add r12, r12, r5 \n\t" \
551 "addc r5, r13, r0 \n\t" \
552 "swi r12, r4, 0 \n\t" \
553 "addi r4, r4, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]554
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]555#define MULADDC_STOP \
556 "swi r5, %0 \n\t" \
557 "swi r4, %1 \n\t" \
558 "swi r3, %2 \n\t" \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]559 : "=m" (c), "=m" (d), "=m" (s) \
560 : "m" (s), "m" (d), "m" (c), "m" (b) \
Zach van Rijne7d3f8e2018-05-21 10:52:34 -0400[diff] [blame]561 : "r3", "r4", "r5", "r6", "r7", "r8", \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]562 "r9", "r10", "r11", "r12", "r13" \
563 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]564
565#endif /* MicroBlaze */
566
567#if defined(__tricore__)
568
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]569#define MULADDC_INIT \
570 asm( \
571 "ld.a %%a2, %3 \n\t" \
572 "ld.a %%a3, %4 \n\t" \
573 "ld.w %%d4, %5 \n\t" \
574 "ld.w %%d1, %6 \n\t" \
575 "xor %%d5, %%d5 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]576
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]577#define MULADDC_CORE \
578 "ld.w %%d0, [%%a2+] \n\t" \
579 "madd.u %%e2, %%e4, %%d0, %%d1 \n\t" \
580 "ld.w %%d0, [%%a3] \n\t" \
581 "addx %%d2, %%d2, %%d0 \n\t" \
582 "addc %%d3, %%d3, 0 \n\t" \
583 "mov %%d4, %%d3 \n\t" \
584 "st.w [%%a3+], %%d2 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]585
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]586#define MULADDC_STOP \
587 "st.w %0, %%d4 \n\t" \
588 "st.a %1, %%a3 \n\t" \
589 "st.a %2, %%a2 \n\t" \
Manuel Pégourié-Gonnard3f687ad2014-01-10 15:47:50 +0100[diff] [blame]590 : "=m" (c), "=m" (d), "=m" (s) \
591 : "m" (s), "m" (d), "m" (c), "m" (b) \
592 : "d0", "d1", "e2", "d4", "a2", "a3" \
593 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]594
595#endif /* TriCore */
596
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]597/*
Simon Butcher3ad2efd2018-05-02 14:49:38 +0100[diff] [blame]598 * Note, gcc -O0 by default uses r7 for the frame pointer, so it complains about
599 * our use of r7 below, unless -fomit-frame-pointer is passed.
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]600 *
601 * On the other hand, -fomit-frame-pointer is implied by any -Ox options with
602 * x !=0, which we can detect using __OPTIMIZE__ (which is also defined by
603 * clang and armcc5 under the same conditions).
604 *
605 * So, only use the optimized assembly below for optimized build, which avoids
606 * the build error and is pretty reasonable anyway.
607 */
608#if defined(__GNUC__) && !defined(__OPTIMIZE__)
Manuel Pégourié-Gonnard365f3252016-01-08 14:58:45 +0100[diff] [blame]609#define MULADDC_CANNOT_USE_R7
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]610#endif
611
Manuel Pégourié-Gonnard365f3252016-01-08 14:58:45 +0100[diff] [blame]612#if defined(__arm__) && !defined(MULADDC_CANNOT_USE_R7)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]613
Paul Bakkerfc4f46f2013-06-24 19:23:56 +0200[diff] [blame]614#if defined(__thumb__) && !defined(__thumb2__)
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]615
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]616#define MULADDC_INIT \
617 asm( \
618 "ldr r0, %3 \n\t" \
619 "ldr r1, %4 \n\t" \
620 "ldr r2, %5 \n\t" \
621 "ldr r3, %6 \n\t" \
622 "lsr r7, r3, #16 \n\t" \
623 "mov r9, r7 \n\t" \
624 "lsl r7, r3, #16 \n\t" \
625 "lsr r7, r7, #16 \n\t" \
626 "mov r8, r7 \n\t"
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]627
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]628#define MULADDC_CORE \
629 "ldmia r0!, {r6} \n\t" \
630 "lsr r7, r6, #16 \n\t" \
631 "lsl r6, r6, #16 \n\t" \
632 "lsr r6, r6, #16 \n\t" \
633 "mov r4, r8 \n\t" \
634 "mul r4, r6 \n\t" \
635 "mov r3, r9 \n\t" \
636 "mul r6, r3 \n\t" \
637 "mov r5, r9 \n\t" \
638 "mul r5, r7 \n\t" \
639 "mov r3, r8 \n\t" \
640 "mul r7, r3 \n\t" \
641 "lsr r3, r6, #16 \n\t" \
642 "add r5, r5, r3 \n\t" \
643 "lsr r3, r7, #16 \n\t" \
644 "add r5, r5, r3 \n\t" \
645 "add r4, r4, r2 \n\t" \
646 "mov r2, #0 \n\t" \
647 "adc r5, r2 \n\t" \
648 "lsl r3, r6, #16 \n\t" \
649 "add r4, r4, r3 \n\t" \
650 "adc r5, r2 \n\t" \
651 "lsl r3, r7, #16 \n\t" \
652 "add r4, r4, r3 \n\t" \
653 "adc r5, r2 \n\t" \
654 "ldr r3, [r1] \n\t" \
655 "add r4, r4, r3 \n\t" \
656 "adc r2, r5 \n\t" \
657 "stmia r1!, {r4} \n\t"
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]658
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]659#define MULADDC_STOP \
660 "str r2, %0 \n\t" \
661 "str r1, %1 \n\t" \
662 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]663 : "=m" (c), "=m" (d), "=m" (s) \
664 : "m" (s), "m" (d), "m" (c), "m" (b) \
665 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]666 "r6", "r7", "r8", "r9", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]667 );
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]668
Aurelien Jarno5daa34f2018-11-03 00:46:06 +0100[diff] [blame]669#elif (__ARM_ARCH >= 6) && \
670 defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
Aurelien Jarno16b1bd82018-05-21 22:01:21 +0200[diff] [blame]671
672#define MULADDC_INIT \
673 asm(
674
675#define MULADDC_CORE \
676 "ldr r0, [%0], #4 \n\t" \
677 "ldr r1, [%1] \n\t" \
678 "umaal r1, %2, %3, r0 \n\t" \
679 "str r1, [%1], #4 \n\t"
680
681#define MULADDC_STOP \
682 : "=r" (s), "=r" (d), "=r" (c) \
683 : "r" (b), "0" (s), "1" (d), "2" (c) \
684 : "r0", "r1", "memory" \
685 );
686
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]687#else
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]688
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]689#define MULADDC_INIT \
690 asm( \
691 "ldr r0, %3 \n\t" \
692 "ldr r1, %4 \n\t" \
693 "ldr r2, %5 \n\t" \
694 "ldr r3, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]695
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]696#define MULADDC_CORE \
697 "ldr r4, [r0], #4 \n\t" \
698 "mov r5, #0 \n\t" \
699 "ldr r6, [r1] \n\t" \
700 "umlal r2, r5, r3, r4 \n\t" \
701 "adds r7, r6, r2 \n\t" \
702 "adc r2, r5, #0 \n\t" \
703 "str r7, [r1], #4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]704
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]705#define MULADDC_STOP \
706 "str r2, %0 \n\t" \
707 "str r1, %1 \n\t" \
708 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]709 : "=m" (c), "=m" (d), "=m" (s) \
710 : "m" (s), "m" (d), "m" (c), "m" (b) \
711 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]712 "r6", "r7", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]713 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]714
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]715#endif /* Thumb */
716
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]717#endif /* ARMv3 */
718
719#if defined(__alpha__)
720
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]721#define MULADDC_INIT \
722 asm( \
723 "ldq $1, %3 \n\t" \
724 "ldq $2, %4 \n\t" \
725 "ldq $3, %5 \n\t" \
726 "ldq $4, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]727
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]728#define MULADDC_CORE \
729 "ldq $6, 0($1) \n\t" \
730 "addq $1, 8, $1 \n\t" \
731 "mulq $6, $4, $7 \n\t" \
732 "umulh $6, $4, $6 \n\t" \
733 "addq $7, $3, $7 \n\t" \
734 "cmpult $7, $3, $3 \n\t" \
735 "ldq $5, 0($2) \n\t" \
736 "addq $7, $5, $7 \n\t" \
737 "cmpult $7, $5, $5 \n\t" \
738 "stq $7, 0($2) \n\t" \
739 "addq $2, 8, $2 \n\t" \
740 "addq $6, $3, $3 \n\t" \
741 "addq $5, $3, $3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]742
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]743#define MULADDC_STOP \
744 "stq $3, %0 \n\t" \
745 "stq $2, %1 \n\t" \
746 "stq $1, %2 \n\t" \
Manuel Pégourié-Gonnard5af8e642014-01-10 15:53:41 +0100[diff] [blame]747 : "=m" (c), "=m" (d), "=m" (s) \
748 : "m" (s), "m" (d), "m" (c), "m" (b) \
749 : "$1", "$2", "$3", "$4", "$5", "$6", "$7" \
750 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]751#endif /* Alpha */
752
James Cowgilld1e7e8b2014-12-16 15:24:06 +0000[diff] [blame]753#if defined(__mips__) && !defined(__mips64)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]754
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]755#define MULADDC_INIT \
756 asm( \
757 "lw $10, %3 \n\t" \
758 "lw $11, %4 \n\t" \
759 "lw $12, %5 \n\t" \
760 "lw $13, %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 "lw $14, 0($10) \n\t" \
764 "multu $13, $14 \n\t" \
765 "addi $10, $10, 4 \n\t" \
766 "mflo $14 \n\t" \
767 "mfhi $9 \n\t" \
768 "addu $14, $12, $14 \n\t" \
769 "lw $15, 0($11) \n\t" \
770 "sltu $12, $14, $12 \n\t" \
771 "addu $15, $14, $15 \n\t" \
772 "sltu $14, $15, $14 \n\t" \
773 "addu $12, $12, $9 \n\t" \
774 "sw $15, 0($11) \n\t" \
775 "addu $12, $12, $14 \n\t" \
776 "addi $11, $11, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]777
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]778#define MULADDC_STOP \
779 "sw $12, %0 \n\t" \
780 "sw $11, %1 \n\t" \
781 "sw $10, %2 \n\t" \
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]782 : "=m" (c), "=m" (d), "=m" (s) \
783 : "m" (s), "m" (d), "m" (c), "m" (b) \
Jeffrey Martind25fd8d2019-01-14 18:01:40 -0600[diff] [blame]784 : "$9", "$10", "$11", "$12", "$13", "$14", "$15", "lo", "hi" \
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]785 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]786
787#endif /* MIPS */
788#endif /* GNUC */
789
790#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
791
792#define MULADDC_INIT \
793 __asm mov esi, s \
794 __asm mov edi, d \
795 __asm mov ecx, c \
796 __asm mov ebx, b
797
798#define MULADDC_CORE \
799 __asm lodsd \
800 __asm mul ebx \
801 __asm add eax, ecx \
802 __asm adc edx, 0 \
803 __asm add eax, [edi] \
804 __asm adc edx, 0 \
805 __asm mov ecx, edx \
806 __asm stosd
807
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]808#if defined(MBEDTLS_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]809
810#define EMIT __asm _emit
811
812#define MULADDC_HUIT \
813 EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
814 EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
815 EMIT 0x0F EMIT 0x6E EMIT 0x1F \
816 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
817 EMIT 0x0F EMIT 0x6E EMIT 0x16 \
818 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
819 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
820 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
821 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
822 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
823 EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
824 EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
825 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
826 EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
827 EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
828 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
829 EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
830 EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
831 EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
832 EMIT 0x0F EMIT 0x7E EMIT 0x0F \
833 EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
834 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
835 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
836 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
837 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
838 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
839 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
840 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
841 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
842 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
843 EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
844 EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
845 EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
846 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
847 EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
848 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
849 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
850 EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
851 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
852 EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
853 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
854 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
855 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
856 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
857 EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
858 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
859 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
860 EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
861 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
862 EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
863 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
864 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
865 EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
866 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
867 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
868 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
869 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
870 EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
871 EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
872 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
873 EMIT 0x0F EMIT 0x7E EMIT 0xC9
874
875#define MULADDC_STOP \
876 EMIT 0x0F EMIT 0x77 \
877 __asm mov c, ecx \
878 __asm mov d, edi \
879 __asm mov s, esi \
880
881#else
882
883#define MULADDC_STOP \
884 __asm mov c, ecx \
885 __asm mov d, edi \
886 __asm mov s, esi \
887
888#endif /* SSE2 */
889#endif /* MSVC */
890
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]891#endif /* MBEDTLS_HAVE_ASM */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]892
893#if !defined(MULADDC_CORE)
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]894#if defined(MBEDTLS_HAVE_UDBL)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]895
896#define MULADDC_INIT \
897{ \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]898 mbedtls_t_udbl r; \
899 mbedtls_mpi_uint r0, r1;
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]900
901#define MULADDC_CORE \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]902 r = *(s++) * (mbedtls_t_udbl) b; \
903 r0 = (mbedtls_mpi_uint) r; \
904 r1 = (mbedtls_mpi_uint)( r >> biL ); \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]905 r0 += c; r1 += (r0 < c); \
906 r0 += *d; r1 += (r0 < *d); \
907 c = r1; *(d++) = r0;
908
909#define MULADDC_STOP \
910}
911
912#else
913#define MULADDC_INIT \
914{ \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]915 mbedtls_mpi_uint s0, s1, b0, b1; \
916 mbedtls_mpi_uint r0, r1, rx, ry; \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]917 b0 = ( b << biH ) >> biH; \
918 b1 = ( b >> biH );
919
920#define MULADDC_CORE \
921 s0 = ( *s << biH ) >> biH; \
922 s1 = ( *s >> biH ); s++; \
923 rx = s0 * b1; r0 = s0 * b0; \
924 ry = s1 * b0; r1 = s1 * b1; \
925 r1 += ( rx >> biH ); \
926 r1 += ( ry >> biH ); \
927 rx <<= biH; ry <<= biH; \
928 r0 += rx; r1 += (r0 < rx); \
929 r0 += ry; r1 += (r0 < ry); \
930 r0 += c; r1 += (r0 < c); \
931 r0 += *d; r1 += (r0 < *d); \
932 c = r1; *(d++) = r0;
933
934#define MULADDC_STOP \
935}
936
937#endif /* C (generic) */
938#endif /* C (longlong) */
939
940#endif /* bn_mul.h */