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review.trustedfirmware.org / mirror / mbed-tls.git / adc9b178ca4c550bbe754c6a5b733ee148e4ad66 / . / include / mbedtls / bn_mul.h
blob: 2f7b72fe4cda5c0530d3d54ada80a204413f6937 [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
Paul Bakker66219872012-01-22 20:38:13 +0000[diff] [blame]41#include "bignum.h"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]42
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]43#if defined(MBEDTLS_HAVE_ASM)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]44
Manuel Pégourié-Gonnardba194322015-05-29 09:47:57 +0200[diff] [blame]45#ifndef asm
46#define asm __asm
47#endif
48
Manuel Pégourié-Gonnard854dab92015-08-10 12:08:34 +0200[diff] [blame]49/* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */
50#if defined(__GNUC__) && \
51 ( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 )
Simon Butcher4b9a3ad2018-07-10 20:18:29 +0100[diff] [blame]52
53/*
54 * Disable use of the i386 assembly code below if option -O0, to disable all
55 * compiler optimisations, is passed, detected with __OPTIMIZE__
56 * This is done as the number of registers used in the assembly code doesn't
57 * work with the -O0 option.
58 */
Simon Butchere459f072018-07-23 09:44:42 +0100[diff] [blame]59#if defined(__i386__) && defined(__OPTIMIZE__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]60
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]61#define MULADDC_INIT \
62 asm( \
63 "movl %%ebx, %0 \n\t" \
64 "movl %5, %%esi \n\t" \
65 "movl %6, %%edi \n\t" \
66 "movl %7, %%ecx \n\t" \
67 "movl %8, %%ebx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]68
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]69#define MULADDC_CORE \
70 "lodsl \n\t" \
71 "mull %%ebx \n\t" \
72 "addl %%ecx, %%eax \n\t" \
73 "adcl $0, %%edx \n\t" \
74 "addl (%%edi), %%eax \n\t" \
75 "adcl $0, %%edx \n\t" \
76 "movl %%edx, %%ecx \n\t" \
77 "stosl \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]78
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]79#if defined(MBEDTLS_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]80
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]81#define MULADDC_HUIT \
82 "movd %%ecx, %%mm1 \n\t" \
83 "movd %%ebx, %%mm0 \n\t" \
84 "movd (%%edi), %%mm3 \n\t" \
85 "paddq %%mm3, %%mm1 \n\t" \
86 "movd (%%esi), %%mm2 \n\t" \
87 "pmuludq %%mm0, %%mm2 \n\t" \
88 "movd 4(%%esi), %%mm4 \n\t" \
89 "pmuludq %%mm0, %%mm4 \n\t" \
90 "movd 8(%%esi), %%mm6 \n\t" \
91 "pmuludq %%mm0, %%mm6 \n\t" \
92 "movd 12(%%esi), %%mm7 \n\t" \
93 "pmuludq %%mm0, %%mm7 \n\t" \
94 "paddq %%mm2, %%mm1 \n\t" \
95 "movd 4(%%edi), %%mm3 \n\t" \
96 "paddq %%mm4, %%mm3 \n\t" \
97 "movd 8(%%edi), %%mm5 \n\t" \
98 "paddq %%mm6, %%mm5 \n\t" \
99 "movd 12(%%edi), %%mm4 \n\t" \
100 "paddq %%mm4, %%mm7 \n\t" \
101 "movd %%mm1, (%%edi) \n\t" \
102 "movd 16(%%esi), %%mm2 \n\t" \
103 "pmuludq %%mm0, %%mm2 \n\t" \
104 "psrlq $32, %%mm1 \n\t" \
105 "movd 20(%%esi), %%mm4 \n\t" \
106 "pmuludq %%mm0, %%mm4 \n\t" \
107 "paddq %%mm3, %%mm1 \n\t" \
108 "movd 24(%%esi), %%mm6 \n\t" \
109 "pmuludq %%mm0, %%mm6 \n\t" \
110 "movd %%mm1, 4(%%edi) \n\t" \
111 "psrlq $32, %%mm1 \n\t" \
112 "movd 28(%%esi), %%mm3 \n\t" \
113 "pmuludq %%mm0, %%mm3 \n\t" \
114 "paddq %%mm5, %%mm1 \n\t" \
115 "movd 16(%%edi), %%mm5 \n\t" \
116 "paddq %%mm5, %%mm2 \n\t" \
117 "movd %%mm1, 8(%%edi) \n\t" \
118 "psrlq $32, %%mm1 \n\t" \
119 "paddq %%mm7, %%mm1 \n\t" \
120 "movd 20(%%edi), %%mm5 \n\t" \
121 "paddq %%mm5, %%mm4 \n\t" \
122 "movd %%mm1, 12(%%edi) \n\t" \
123 "psrlq $32, %%mm1 \n\t" \
124 "paddq %%mm2, %%mm1 \n\t" \
125 "movd 24(%%edi), %%mm5 \n\t" \
126 "paddq %%mm5, %%mm6 \n\t" \
127 "movd %%mm1, 16(%%edi) \n\t" \
128 "psrlq $32, %%mm1 \n\t" \
129 "paddq %%mm4, %%mm1 \n\t" \
130 "movd 28(%%edi), %%mm5 \n\t" \
131 "paddq %%mm5, %%mm3 \n\t" \
132 "movd %%mm1, 20(%%edi) \n\t" \
133 "psrlq $32, %%mm1 \n\t" \
134 "paddq %%mm6, %%mm1 \n\t" \
135 "movd %%mm1, 24(%%edi) \n\t" \
136 "psrlq $32, %%mm1 \n\t" \
137 "paddq %%mm3, %%mm1 \n\t" \
138 "movd %%mm1, 28(%%edi) \n\t" \
139 "addl $32, %%edi \n\t" \
140 "addl $32, %%esi \n\t" \
141 "psrlq $32, %%mm1 \n\t" \
142 "movd %%mm1, %%ecx \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]143
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]144#define MULADDC_STOP \
145 "emms \n\t" \
146 "movl %4, %%ebx \n\t" \
147 "movl %%ecx, %1 \n\t" \
148 "movl %%edi, %2 \n\t" \
149 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]150 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
151 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
Simon Butcher53571642018-06-24 12:58:31 +0100[diff] [blame]152 : "eax", "ebx", "ecx", "edx", "esi", "edi" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]153 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]154
155#else
156
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]157#define MULADDC_STOP \
158 "movl %4, %%ebx \n\t" \
159 "movl %%ecx, %1 \n\t" \
160 "movl %%edi, %2 \n\t" \
161 "movl %%esi, %3 \n\t" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]162 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
163 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
Simon Butcher53571642018-06-24 12:58:31 +0100[diff] [blame]164 : "eax", "ebx", "ecx", "edx", "esi", "edi" \
Paul Bakkerc89cf7c2009-07-19 21:37:39 +0000[diff] [blame]165 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]166#endif /* SSE2 */
167#endif /* i386 */
168
169#if defined(__amd64__) || defined (__x86_64__)
170
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]171#define MULADDC_INIT \
172 asm( \
Simon Butchera86de142018-09-30 12:09:47 +0100[diff] [blame]173 "xorq %%r8, %%r8\n"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]174
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]175#define MULADDC_CORE \
Simon Butchera86de142018-09-30 12:09:47 +0100[diff] [blame]176 "movq (%%rsi), %%rax\n" \
177 "mulq %%rbx\n" \
178 "addq $8, %%rsi\n" \
179 "addq %%rcx, %%rax\n" \
180 "movq %%r8, %%rcx\n" \
181 "adcq $0, %%rdx\n" \
182 "nop \n" \
183 "addq %%rax, (%%rdi)\n" \
184 "adcq %%rdx, %%rcx\n" \
185 "addq $8, %%rdi\n"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]186
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]187#define MULADDC_STOP \
James Cowgill21e402a2015-12-17 01:51:09 +0000[diff] [blame]188 : "+c" (c), "+D" (d), "+S" (s) \
189 : "b" (b) \
190 : "rax", "rdx", "r8" \
Manuel Pégourié-Gonnarddef018d2014-01-07 17:50:46 +0100[diff] [blame]191 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]192
193#endif /* AMD64 */
194
195#if defined(__mc68020__) || defined(__mcpu32__)
196
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]197#define MULADDC_INIT \
198 asm( \
199 "movl %3, %%a2 \n\t" \
200 "movl %4, %%a3 \n\t" \
201 "movl %5, %%d3 \n\t" \
202 "movl %6, %%d2 \n\t" \
203 "moveq #0, %%d0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]204
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]205#define MULADDC_CORE \
206 "movel %%a2@+, %%d1 \n\t" \
207 "mulul %%d2, %%d4:%%d1 \n\t" \
208 "addl %%d3, %%d1 \n\t" \
209 "addxl %%d0, %%d4 \n\t" \
210 "moveq #0, %%d3 \n\t" \
211 "addl %%d1, %%a3@+ \n\t" \
212 "addxl %%d4, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]213
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]214#define MULADDC_STOP \
215 "movl %%d3, %0 \n\t" \
216 "movl %%a3, %1 \n\t" \
217 "movl %%a2, %2 \n\t" \
Manuel Pégourié-Gonnard3b05e4c2014-01-10 15:30:23 +0100[diff] [blame]218 : "=m" (c), "=m" (d), "=m" (s) \
219 : "m" (s), "m" (d), "m" (c), "m" (b) \
220 : "d0", "d1", "d2", "d3", "d4", "a2", "a3" \
221 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]222
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]223#define MULADDC_HUIT \
224 "movel %%a2@+, %%d1 \n\t" \
225 "mulul %%d2, %%d4:%%d1 \n\t" \
226 "addxl %%d3, %%d1 \n\t" \
227 "addxl %%d0, %%d4 \n\t" \
228 "addl %%d1, %%a3@+ \n\t" \
229 "movel %%a2@+, %%d1 \n\t" \
230 "mulul %%d2, %%d3:%%d1 \n\t" \
231 "addxl %%d4, %%d1 \n\t" \
232 "addxl %%d0, %%d3 \n\t" \
233 "addl %%d1, %%a3@+ \n\t" \
234 "movel %%a2@+, %%d1 \n\t" \
235 "mulul %%d2, %%d4:%%d1 \n\t" \
236 "addxl %%d3, %%d1 \n\t" \
237 "addxl %%d0, %%d4 \n\t" \
238 "addl %%d1, %%a3@+ \n\t" \
239 "movel %%a2@+, %%d1 \n\t" \
240 "mulul %%d2, %%d3:%%d1 \n\t" \
241 "addxl %%d4, %%d1 \n\t" \
242 "addxl %%d0, %%d3 \n\t" \
243 "addl %%d1, %%a3@+ \n\t" \
244 "movel %%a2@+, %%d1 \n\t" \
245 "mulul %%d2, %%d4:%%d1 \n\t" \
246 "addxl %%d3, %%d1 \n\t" \
247 "addxl %%d0, %%d4 \n\t" \
248 "addl %%d1, %%a3@+ \n\t" \
249 "movel %%a2@+, %%d1 \n\t" \
250 "mulul %%d2, %%d3:%%d1 \n\t" \
251 "addxl %%d4, %%d1 \n\t" \
252 "addxl %%d0, %%d3 \n\t" \
253 "addl %%d1, %%a3@+ \n\t" \
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 "addxl %%d0, %%d3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]265
266#endif /* MC68000 */
267
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]268#if defined(__powerpc64__) || defined(__ppc64__)
269
270#if defined(__MACH__) && defined(__APPLE__)
271
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]272#define MULADDC_INIT \
273 asm( \
274 "ld r3, %3 \n\t" \
275 "ld r4, %4 \n\t" \
276 "ld r5, %5 \n\t" \
277 "ld r6, %6 \n\t" \
278 "addi r3, r3, -8 \n\t" \
279 "addi r4, r4, -8 \n\t" \
280 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]281
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]282#define MULADDC_CORE \
283 "ldu r7, 8(r3) \n\t" \
284 "mulld r8, r7, r6 \n\t" \
285 "mulhdu r9, r7, r6 \n\t" \
286 "adde r8, r8, r5 \n\t" \
287 "ld r7, 8(r4) \n\t" \
288 "addze r5, r9 \n\t" \
289 "addc r8, r8, r7 \n\t" \
290 "stdu r8, 8(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]291
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]292#define MULADDC_STOP \
293 "addze r5, r5 \n\t" \
294 "addi r4, r4, 8 \n\t" \
295 "addi r3, r3, 8 \n\t" \
296 "std r5, %0 \n\t" \
297 "std r4, %1 \n\t" \
298 "std r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]299 : "=m" (c), "=m" (d), "=m" (s) \
300 : "m" (s), "m" (d), "m" (c), "m" (b) \
301 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
302 );
303
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]304
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]305#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]306
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]307#define MULADDC_INIT \
308 asm( \
309 "ld %%r3, %3 \n\t" \
310 "ld %%r4, %4 \n\t" \
311 "ld %%r5, %5 \n\t" \
312 "ld %%r6, %6 \n\t" \
313 "addi %%r3, %%r3, -8 \n\t" \
314 "addi %%r4, %%r4, -8 \n\t" \
315 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]316
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]317#define MULADDC_CORE \
318 "ldu %%r7, 8(%%r3) \n\t" \
319 "mulld %%r8, %%r7, %%r6 \n\t" \
320 "mulhdu %%r9, %%r7, %%r6 \n\t" \
321 "adde %%r8, %%r8, %%r5 \n\t" \
322 "ld %%r7, 8(%%r4) \n\t" \
323 "addze %%r5, %%r9 \n\t" \
324 "addc %%r8, %%r8, %%r7 \n\t" \
325 "stdu %%r8, 8(%%r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]326
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]327#define MULADDC_STOP \
328 "addze %%r5, %%r5 \n\t" \
329 "addi %%r4, %%r4, 8 \n\t" \
330 "addi %%r3, %%r3, 8 \n\t" \
331 "std %%r5, %0 \n\t" \
332 "std %%r4, %1 \n\t" \
333 "std %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]334 : "=m" (c), "=m" (d), "=m" (s) \
335 : "m" (s), "m" (d), "m" (c), "m" (b) \
336 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
337 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]338
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]339#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]340
Barry K. Nathan35e7cb92014-05-05 23:26:13 -0700[diff] [blame]341#elif defined(__powerpc__) || defined(__ppc__) /* end PPC64/begin PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]342
343#if defined(__MACH__) && defined(__APPLE__)
344
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]345#define MULADDC_INIT \
346 asm( \
347 "lwz r3, %3 \n\t" \
348 "lwz r4, %4 \n\t" \
349 "lwz r5, %5 \n\t" \
350 "lwz r6, %6 \n\t" \
351 "addi r3, r3, -4 \n\t" \
352 "addi r4, r4, -4 \n\t" \
353 "addic r5, r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]354
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]355#define MULADDC_CORE \
356 "lwzu r7, 4(r3) \n\t" \
357 "mullw r8, r7, r6 \n\t" \
358 "mulhwu r9, r7, r6 \n\t" \
359 "adde r8, r8, r5 \n\t" \
360 "lwz r7, 4(r4) \n\t" \
361 "addze r5, r9 \n\t" \
362 "addc r8, r8, r7 \n\t" \
363 "stwu r8, 4(r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]364
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]365#define MULADDC_STOP \
366 "addze r5, r5 \n\t" \
367 "addi r4, r4, 4 \n\t" \
368 "addi r3, r3, 4 \n\t" \
369 "stw r5, %0 \n\t" \
370 "stw r4, %1 \n\t" \
371 "stw r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]372 : "=m" (c), "=m" (d), "=m" (s) \
373 : "m" (s), "m" (d), "m" (c), "m" (b) \
374 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
375 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]376
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]377#else /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]378
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]379#define MULADDC_INIT \
380 asm( \
381 "lwz %%r3, %3 \n\t" \
382 "lwz %%r4, %4 \n\t" \
383 "lwz %%r5, %5 \n\t" \
384 "lwz %%r6, %6 \n\t" \
385 "addi %%r3, %%r3, -4 \n\t" \
386 "addi %%r4, %%r4, -4 \n\t" \
387 "addic %%r5, %%r5, 0 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]388
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]389#define MULADDC_CORE \
390 "lwzu %%r7, 4(%%r3) \n\t" \
391 "mullw %%r8, %%r7, %%r6 \n\t" \
392 "mulhwu %%r9, %%r7, %%r6 \n\t" \
393 "adde %%r8, %%r8, %%r5 \n\t" \
394 "lwz %%r7, 4(%%r4) \n\t" \
395 "addze %%r5, %%r9 \n\t" \
396 "addc %%r8, %%r8, %%r7 \n\t" \
397 "stwu %%r8, 4(%%r4) \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]398
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]399#define MULADDC_STOP \
400 "addze %%r5, %%r5 \n\t" \
401 "addi %%r4, %%r4, 4 \n\t" \
402 "addi %%r3, %%r3, 4 \n\t" \
403 "stw %%r5, %0 \n\t" \
404 "stw %%r4, %1 \n\t" \
405 "stw %%r3, %2 \n\t" \
Manuel Pégourié-Gonnard02d800c2014-01-07 19:16:48 +0100[diff] [blame]406 : "=m" (c), "=m" (d), "=m" (s) \
407 : "m" (s), "m" (d), "m" (c), "m" (b) \
408 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
409 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]410
Paul Bakker9af723c2014-05-01 13:03:14 +0200[diff] [blame]411#endif /* __MACH__ && __APPLE__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]412
413#endif /* PPC32 */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]414
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200[diff] [blame]415/*
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]416 * The Sparc(64) assembly is reported to be broken.
Manuel Pégourié-Gonnard31357252014-06-24 17:57:57 +0200[diff] [blame]417 * Disable it for now, until we're able to fix it.
418 */
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]419#if 0 && defined(__sparc__)
420#if defined(__sparc64__)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]421
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]422#define MULADDC_INIT \
423 asm( \
424 "ldx %3, %%o0 \n\t" \
425 "ldx %4, %%o1 \n\t" \
426 "ld %5, %%o2 \n\t" \
427 "ld %6, %%o3 \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_CORE \
430 "ld [%%o0], %%o4 \n\t" \
431 "inc 4, %%o0 \n\t" \
432 "ld [%%o1], %%o5 \n\t" \
433 "umul %%o3, %%o4, %%o4 \n\t" \
434 "addcc %%o4, %%o2, %%o4 \n\t" \
435 "rd %%y, %%g1 \n\t" \
436 "addx %%g1, 0, %%g1 \n\t" \
437 "addcc %%o4, %%o5, %%o4 \n\t" \
438 "st %%o4, [%%o1] \n\t" \
439 "addx %%g1, 0, %%o2 \n\t" \
440 "inc 4, %%o1 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]441
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]442 #define MULADDC_STOP \
443 "st %%o2, %0 \n\t" \
444 "stx %%o1, %1 \n\t" \
445 "stx %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]446 : "=m" (c), "=m" (d), "=m" (s) \
447 : "m" (s), "m" (d), "m" (c), "m" (b) \
448 : "g1", "o0", "o1", "o2", "o3", "o4", \
449 "o5" \
450 );
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]451
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]452#else /* __sparc64__ */
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]453
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]454#define MULADDC_INIT \
455 asm( \
456 "ld %3, %%o0 \n\t" \
457 "ld %4, %%o1 \n\t" \
458 "ld %5, %%o2 \n\t" \
459 "ld %6, %%o3 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]460
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]461#define MULADDC_CORE \
462 "ld [%%o0], %%o4 \n\t" \
463 "inc 4, %%o0 \n\t" \
464 "ld [%%o1], %%o5 \n\t" \
465 "umul %%o3, %%o4, %%o4 \n\t" \
466 "addcc %%o4, %%o2, %%o4 \n\t" \
467 "rd %%y, %%g1 \n\t" \
468 "addx %%g1, 0, %%g1 \n\t" \
469 "addcc %%o4, %%o5, %%o4 \n\t" \
470 "st %%o4, [%%o1] \n\t" \
471 "addx %%g1, 0, %%o2 \n\t" \
472 "inc 4, %%o1 \n\t"
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]473
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]474#define MULADDC_STOP \
475 "st %%o2, %0 \n\t" \
476 "st %%o1, %1 \n\t" \
477 "st %%o0, %2 \n\t" \
Paul Bakker4f024b72012-10-30 07:29:57 +0000[diff] [blame]478 : "=m" (c), "=m" (d), "=m" (s) \
479 : "m" (s), "m" (d), "m" (c), "m" (b) \
480 : "g1", "o0", "o1", "o2", "o3", "o4", \
481 "o5" \
482 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]483
Manuel Pégourié-Gonnard7c5fcdc2015-10-21 14:52:24 +0200[diff] [blame]484#endif /* __sparc64__ */
485#endif /* __sparc__ */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]486
487#if defined(__microblaze__) || defined(microblaze)
488
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]489#define MULADDC_INIT \
490 asm( \
491 "lwi r3, %3 \n\t" \
492 "lwi r4, %4 \n\t" \
493 "lwi r5, %5 \n\t" \
494 "lwi r6, %6 \n\t" \
495 "andi r7, r6, 0xffff \n\t" \
496 "bsrli r6, r6, 16 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]497
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]498#define MULADDC_CORE \
499 "lhui r8, r3, 0 \n\t" \
500 "addi r3, r3, 2 \n\t" \
501 "lhui r9, r3, 0 \n\t" \
502 "addi r3, r3, 2 \n\t" \
503 "mul r10, r9, r6 \n\t" \
504 "mul r11, r8, r7 \n\t" \
505 "mul r12, r9, r7 \n\t" \
506 "mul r13, r8, r6 \n\t" \
507 "bsrli r8, r10, 16 \n\t" \
508 "bsrli r9, r11, 16 \n\t" \
509 "add r13, r13, r8 \n\t" \
510 "add r13, r13, r9 \n\t" \
511 "bslli r10, r10, 16 \n\t" \
512 "bslli r11, r11, 16 \n\t" \
513 "add r12, r12, r10 \n\t" \
514 "addc r13, r13, r0 \n\t" \
515 "add r12, r12, r11 \n\t" \
516 "addc r13, r13, r0 \n\t" \
517 "lwi r10, r4, 0 \n\t" \
518 "add r12, r12, r10 \n\t" \
519 "addc r13, r13, r0 \n\t" \
520 "add r12, r12, r5 \n\t" \
521 "addc r5, r13, r0 \n\t" \
522 "swi r12, r4, 0 \n\t" \
523 "addi r4, r4, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]524
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]525#define MULADDC_STOP \
526 "swi r5, %0 \n\t" \
527 "swi r4, %1 \n\t" \
528 "swi r3, %2 \n\t" \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]529 : "=m" (c), "=m" (d), "=m" (s) \
530 : "m" (s), "m" (d), "m" (c), "m" (b) \
Zach van Rijne7d3f8e2018-05-21 10:52:34 -0400[diff] [blame]531 : "r3", "r4", "r5", "r6", "r7", "r8", \
Manuel Pégourié-Gonnard1753e2f2014-01-10 15:35:41 +0100[diff] [blame]532 "r9", "r10", "r11", "r12", "r13" \
533 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]534
535#endif /* MicroBlaze */
536
537#if defined(__tricore__)
538
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]539#define MULADDC_INIT \
540 asm( \
541 "ld.a %%a2, %3 \n\t" \
542 "ld.a %%a3, %4 \n\t" \
543 "ld.w %%d4, %5 \n\t" \
544 "ld.w %%d1, %6 \n\t" \
545 "xor %%d5, %%d5 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]546
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]547#define MULADDC_CORE \
548 "ld.w %%d0, [%%a2+] \n\t" \
549 "madd.u %%e2, %%e4, %%d0, %%d1 \n\t" \
550 "ld.w %%d0, [%%a3] \n\t" \
551 "addx %%d2, %%d2, %%d0 \n\t" \
552 "addc %%d3, %%d3, 0 \n\t" \
553 "mov %%d4, %%d3 \n\t" \
554 "st.w [%%a3+], %%d2 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]555
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]556#define MULADDC_STOP \
557 "st.w %0, %%d4 \n\t" \
558 "st.a %1, %%a3 \n\t" \
559 "st.a %2, %%a2 \n\t" \
Manuel Pégourié-Gonnard3f687ad2014-01-10 15:47:50 +0100[diff] [blame]560 : "=m" (c), "=m" (d), "=m" (s) \
561 : "m" (s), "m" (d), "m" (c), "m" (b) \
562 : "d0", "d1", "e2", "d4", "a2", "a3" \
563 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]564
565#endif /* TriCore */
566
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]567/*
Simon Butcher3ad2efd2018-05-02 14:49:38 +0100[diff] [blame]568 * Note, gcc -O0 by default uses r7 for the frame pointer, so it complains about
569 * our use of r7 below, unless -fomit-frame-pointer is passed.
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]570 *
571 * On the other hand, -fomit-frame-pointer is implied by any -Ox options with
572 * x !=0, which we can detect using __OPTIMIZE__ (which is also defined by
573 * clang and armcc5 under the same conditions).
574 *
575 * So, only use the optimized assembly below for optimized build, which avoids
576 * the build error and is pretty reasonable anyway.
577 */
578#if defined(__GNUC__) && !defined(__OPTIMIZE__)
Manuel Pégourié-Gonnard365f3252016-01-08 14:58:45 +0100[diff] [blame]579#define MULADDC_CANNOT_USE_R7
Manuel Pégourié-Gonnard25caaf32016-01-08 14:29:11 +0100[diff] [blame]580#endif
581
Manuel Pégourié-Gonnard365f3252016-01-08 14:58:45 +0100[diff] [blame]582#if defined(__arm__) && !defined(MULADDC_CANNOT_USE_R7)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]583
Paul Bakkerfc4f46f2013-06-24 19:23:56 +0200[diff] [blame]584#if defined(__thumb__) && !defined(__thumb2__)
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]585
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]586#define MULADDC_INIT \
587 asm( \
588 "ldr r0, %3 \n\t" \
589 "ldr r1, %4 \n\t" \
590 "ldr r2, %5 \n\t" \
591 "ldr r3, %6 \n\t" \
592 "lsr r7, r3, #16 \n\t" \
593 "mov r9, r7 \n\t" \
594 "lsl r7, r3, #16 \n\t" \
595 "lsr r7, r7, #16 \n\t" \
596 "mov r8, r7 \n\t"
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]597
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]598#define MULADDC_CORE \
599 "ldmia r0!, {r6} \n\t" \
600 "lsr r7, r6, #16 \n\t" \
601 "lsl r6, r6, #16 \n\t" \
602 "lsr r6, r6, #16 \n\t" \
603 "mov r4, r8 \n\t" \
604 "mul r4, r6 \n\t" \
605 "mov r3, r9 \n\t" \
606 "mul r6, r3 \n\t" \
607 "mov r5, r9 \n\t" \
608 "mul r5, r7 \n\t" \
609 "mov r3, r8 \n\t" \
610 "mul r7, r3 \n\t" \
611 "lsr r3, r6, #16 \n\t" \
612 "add r5, r5, r3 \n\t" \
613 "lsr r3, r7, #16 \n\t" \
614 "add r5, r5, r3 \n\t" \
615 "add r4, r4, r2 \n\t" \
616 "mov r2, #0 \n\t" \
617 "adc r5, r2 \n\t" \
618 "lsl r3, r6, #16 \n\t" \
619 "add r4, r4, r3 \n\t" \
620 "adc r5, r2 \n\t" \
621 "lsl r3, r7, #16 \n\t" \
622 "add r4, r4, r3 \n\t" \
623 "adc r5, r2 \n\t" \
624 "ldr r3, [r1] \n\t" \
625 "add r4, r4, r3 \n\t" \
626 "adc r2, r5 \n\t" \
627 "stmia r1!, {r4} \n\t"
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]628
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]629#define MULADDC_STOP \
630 "str r2, %0 \n\t" \
631 "str r1, %1 \n\t" \
632 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]633 : "=m" (c), "=m" (d), "=m" (s) \
634 : "m" (s), "m" (d), "m" (c), "m" (b) \
635 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]636 "r6", "r7", "r8", "r9", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]637 );
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]638
Aurelien Jarno16b1bd82018-05-21 22:01:21 +0200[diff] [blame]639#elif defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)
640
641#define MULADDC_INIT \
642 asm(
643
644#define MULADDC_CORE \
645 "ldr r0, [%0], #4 \n\t" \
646 "ldr r1, [%1] \n\t" \
647 "umaal r1, %2, %3, r0 \n\t" \
648 "str r1, [%1], #4 \n\t"
649
650#define MULADDC_STOP \
651 : "=r" (s), "=r" (d), "=r" (c) \
652 : "r" (b), "0" (s), "1" (d), "2" (c) \
653 : "r0", "r1", "memory" \
654 );
655
Paul Bakker4f9a7bb2012-07-02 08:36:36 +0000[diff] [blame]656#else
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]657
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]658#define MULADDC_INIT \
659 asm( \
660 "ldr r0, %3 \n\t" \
661 "ldr r1, %4 \n\t" \
662 "ldr r2, %5 \n\t" \
663 "ldr r3, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]664
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]665#define MULADDC_CORE \
666 "ldr r4, [r0], #4 \n\t" \
667 "mov r5, #0 \n\t" \
668 "ldr r6, [r1] \n\t" \
669 "umlal r2, r5, r3, r4 \n\t" \
670 "adds r7, r6, r2 \n\t" \
671 "adc r2, r5, #0 \n\t" \
672 "str r7, [r1], #4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]673
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]674#define MULADDC_STOP \
675 "str r2, %0 \n\t" \
676 "str r1, %1 \n\t" \
677 "str r0, %2 \n\t" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]678 : "=m" (c), "=m" (d), "=m" (s) \
679 : "m" (s), "m" (d), "m" (c), "m" (b) \
680 : "r0", "r1", "r2", "r3", "r4", "r5", \
Paul Bakkereff2e6d2013-04-11 17:13:22 +0200[diff] [blame]681 "r6", "r7", "cc" \
Paul Bakkerfb1cbd32013-03-06 18:14:52 +0100[diff] [blame]682 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]683
Paul Bakkera2713a32011-11-18 12:47:23 +0000[diff] [blame]684#endif /* Thumb */
685
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]686#endif /* ARMv3 */
687
688#if defined(__alpha__)
689
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]690#define MULADDC_INIT \
691 asm( \
692 "ldq $1, %3 \n\t" \
693 "ldq $2, %4 \n\t" \
694 "ldq $3, %5 \n\t" \
695 "ldq $4, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]696
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]697#define MULADDC_CORE \
698 "ldq $6, 0($1) \n\t" \
699 "addq $1, 8, $1 \n\t" \
700 "mulq $6, $4, $7 \n\t" \
701 "umulh $6, $4, $6 \n\t" \
702 "addq $7, $3, $7 \n\t" \
703 "cmpult $7, $3, $3 \n\t" \
704 "ldq $5, 0($2) \n\t" \
705 "addq $7, $5, $7 \n\t" \
706 "cmpult $7, $5, $5 \n\t" \
707 "stq $7, 0($2) \n\t" \
708 "addq $2, 8, $2 \n\t" \
709 "addq $6, $3, $3 \n\t" \
710 "addq $5, $3, $3 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]711
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]712#define MULADDC_STOP \
713 "stq $3, %0 \n\t" \
714 "stq $2, %1 \n\t" \
715 "stq $1, %2 \n\t" \
Manuel Pégourié-Gonnard5af8e642014-01-10 15:53:41 +0100[diff] [blame]716 : "=m" (c), "=m" (d), "=m" (s) \
717 : "m" (s), "m" (d), "m" (c), "m" (b) \
718 : "$1", "$2", "$3", "$4", "$5", "$6", "$7" \
719 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]720#endif /* Alpha */
721
James Cowgilld1e7e8b2014-12-16 15:24:06 +0000[diff] [blame]722#if defined(__mips__) && !defined(__mips64)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]723
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]724#define MULADDC_INIT \
725 asm( \
726 "lw $10, %3 \n\t" \
727 "lw $11, %4 \n\t" \
728 "lw $12, %5 \n\t" \
729 "lw $13, %6 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]730
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]731#define MULADDC_CORE \
732 "lw $14, 0($10) \n\t" \
733 "multu $13, $14 \n\t" \
734 "addi $10, $10, 4 \n\t" \
735 "mflo $14 \n\t" \
736 "mfhi $9 \n\t" \
737 "addu $14, $12, $14 \n\t" \
738 "lw $15, 0($11) \n\t" \
739 "sltu $12, $14, $12 \n\t" \
740 "addu $15, $14, $15 \n\t" \
741 "sltu $14, $15, $14 \n\t" \
742 "addu $12, $12, $9 \n\t" \
743 "sw $15, 0($11) \n\t" \
744 "addu $12, $12, $14 \n\t" \
745 "addi $11, $11, 4 \n\t"
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]746
Manuel Pégourié-Gonnardacbcbba2014-06-19 17:20:43 +0200[diff] [blame]747#define MULADDC_STOP \
748 "sw $12, %0 \n\t" \
749 "sw $11, %1 \n\t" \
750 "sw $10, %2 \n\t" \
Manuel Pégourié-Gonnard8b1b1032014-01-07 18:31:06 +0100[diff] [blame]751 : "=m" (c), "=m" (d), "=m" (s) \
752 : "m" (s), "m" (d), "m" (c), "m" (b) \
753 : "$9", "$10", "$11", "$12", "$13", "$14", "$15" \
754 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]755
756#endif /* MIPS */
757#endif /* GNUC */
758
759#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
760
761#define MULADDC_INIT \
762 __asm mov esi, s \
763 __asm mov edi, d \
764 __asm mov ecx, c \
765 __asm mov ebx, b
766
767#define MULADDC_CORE \
768 __asm lodsd \
769 __asm mul ebx \
770 __asm add eax, ecx \
771 __asm adc edx, 0 \
772 __asm add eax, [edi] \
773 __asm adc edx, 0 \
774 __asm mov ecx, edx \
775 __asm stosd
776
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]777#if defined(MBEDTLS_HAVE_SSE2)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]778
779#define EMIT __asm _emit
780
781#define MULADDC_HUIT \
782 EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
783 EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
784 EMIT 0x0F EMIT 0x6E EMIT 0x1F \
785 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
786 EMIT 0x0F EMIT 0x6E EMIT 0x16 \
787 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
788 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
789 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
790 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
791 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
792 EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
793 EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
794 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
795 EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
796 EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
797 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
798 EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
799 EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
800 EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
801 EMIT 0x0F EMIT 0x7E EMIT 0x0F \
802 EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
803 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
804 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
805 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
806 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
807 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
808 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
809 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
810 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
811 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
812 EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
813 EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
814 EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
815 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
816 EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
817 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
818 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
819 EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
820 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
821 EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
822 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
823 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
824 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
825 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
826 EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
827 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
828 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
829 EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
830 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
831 EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
832 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
833 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
834 EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
835 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
836 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
837 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
838 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
839 EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
840 EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
841 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
842 EMIT 0x0F EMIT 0x7E EMIT 0xC9
843
844#define MULADDC_STOP \
845 EMIT 0x0F EMIT 0x77 \
846 __asm mov c, ecx \
847 __asm mov d, edi \
848 __asm mov s, esi \
849
850#else
851
852#define MULADDC_STOP \
853 __asm mov c, ecx \
854 __asm mov d, edi \
855 __asm mov s, esi \
856
857#endif /* SSE2 */
858#endif /* MSVC */
859
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]860#endif /* MBEDTLS_HAVE_ASM */
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]861
862#if !defined(MULADDC_CORE)
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]863#if defined(MBEDTLS_HAVE_UDBL)
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]864
865#define MULADDC_INIT \
866{ \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]867 mbedtls_t_udbl r; \
868 mbedtls_mpi_uint r0, r1;
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]869
870#define MULADDC_CORE \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]871 r = *(s++) * (mbedtls_t_udbl) b; \
872 r0 = (mbedtls_mpi_uint) r; \
873 r1 = (mbedtls_mpi_uint)( r >> biL ); \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]874 r0 += c; r1 += (r0 < c); \
875 r0 += *d; r1 += (r0 < *d); \
876 c = r1; *(d++) = r0;
877
878#define MULADDC_STOP \
879}
880
881#else
882#define MULADDC_INIT \
883{ \
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200[diff] [blame]884 mbedtls_mpi_uint s0, s1, b0, b1; \
885 mbedtls_mpi_uint r0, r1, rx, ry; \
Paul Bakker5121ce52009-01-03 21:22:43 +0000[diff] [blame]886 b0 = ( b << biH ) >> biH; \
887 b1 = ( b >> biH );
888
889#define MULADDC_CORE \
890 s0 = ( *s << biH ) >> biH; \
891 s1 = ( *s >> biH ); s++; \
892 rx = s0 * b1; r0 = s0 * b0; \
893 ry = s1 * b0; r1 = s1 * b1; \
894 r1 += ( rx >> biH ); \
895 r1 += ( ry >> biH ); \
896 rx <<= biH; ry <<= biH; \
897 r0 += rx; r1 += (r0 < rx); \
898 r0 += ry; r1 += (r0 < ry); \
899 r0 += c; r1 += (r0 < c); \
900 r0 += *d; r1 += (r0 < *d); \
901 c = r1; *(d++) = r0;
902
903#define MULADDC_STOP \
904}
905
906#endif /* C (generic) */
907#endif /* C (longlong) */
908
909#endif /* bn_mul.h */