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bn_mul.h
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00001 /** 00002 * \file bn_mul.h 00003 * 00004 * \brief Multi-precision integer library 00005 * 00006 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved 00007 * SPDX-License-Identifier: Apache-2.0 00008 * 00009 * Licensed under the Apache License, Version 2.0 (the "License"); you may 00010 * not use this file except in compliance with the License. 00011 * You may obtain a copy of the License at 00012 * 00013 * http://www.apache.org/licenses/LICENSE-2.0 00014 * 00015 * Unless required by applicable law or agreed to in writing, software 00016 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 00017 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00018 * See the License for the specific language governing permissions and 00019 * limitations under the License. 00020 * 00021 * This file is part of mbed TLS (https://tls.mbed.org) 00022 */ 00023 /* 00024 * Multiply source vector [s] with b, add result 00025 * to destination vector [d] and set carry c. 00026 * 00027 * Currently supports: 00028 * 00029 * . IA-32 (386+) . AMD64 / EM64T 00030 * . IA-32 (SSE2) . Motorola 68000 00031 * . PowerPC, 32-bit . MicroBlaze 00032 * . PowerPC, 64-bit . TriCore 00033 * . SPARC v8 . ARM v3+ 00034 * . Alpha . MIPS32 00035 * . C, longlong . C, generic 00036 */ 00037 #ifndef MBEDTLS_BN_MUL_H 00038 #define MBEDTLS_BN_MUL_H 00039 00040 #include "bignum.h" 00041 00042 #if defined(MBEDTLS_HAVE_ASM) 00043 00044 #ifndef asm 00045 #define asm __asm 00046 #endif 00047 00048 /* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */ 00049 #if defined(__GNUC__) && \ 00050 ( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 ) 00051 #if defined(__i386__) 00052 00053 #define MULADDC_INIT \ 00054 asm( \ 00055 "movl %%ebx, %0 \n\t" \ 00056 "movl %5, %%esi \n\t" \ 00057 "movl %6, %%edi \n\t" \ 00058 "movl %7, %%ecx \n\t" \ 00059 "movl %8, %%ebx \n\t" 00060 00061 #define MULADDC_CORE \ 00062 "lodsl \n\t" \ 00063 "mull %%ebx \n\t" \ 00064 "addl %%ecx, %%eax \n\t" \ 00065 "adcl $0, %%edx \n\t" \ 00066 "addl (%%edi), %%eax \n\t" \ 00067 "adcl $0, %%edx \n\t" \ 00068 "movl %%edx, %%ecx \n\t" \ 00069 "stosl \n\t" 00070 00071 #if defined(MBEDTLS_HAVE_SSE2) 00072 00073 #define MULADDC_HUIT \ 00074 "movd %%ecx, %%mm1 \n\t" \ 00075 "movd %%ebx, %%mm0 \n\t" \ 00076 "movd (%%edi), %%mm3 \n\t" \ 00077 "paddq %%mm3, %%mm1 \n\t" \ 00078 "movd (%%esi), %%mm2 \n\t" \ 00079 "pmuludq %%mm0, %%mm2 \n\t" \ 00080 "movd 4(%%esi), %%mm4 \n\t" \ 00081 "pmuludq %%mm0, %%mm4 \n\t" \ 00082 "movd 8(%%esi), %%mm6 \n\t" \ 00083 "pmuludq %%mm0, %%mm6 \n\t" \ 00084 "movd 12(%%esi), %%mm7 \n\t" \ 00085 "pmuludq %%mm0, %%mm7 \n\t" \ 00086 "paddq %%mm2, %%mm1 \n\t" \ 00087 "movd 4(%%edi), %%mm3 \n\t" \ 00088 "paddq %%mm4, %%mm3 \n\t" \ 00089 "movd 8(%%edi), %%mm5 \n\t" \ 00090 "paddq %%mm6, %%mm5 \n\t" \ 00091 "movd 12(%%edi), %%mm4 \n\t" \ 00092 "paddq %%mm4, %%mm7 \n\t" \ 00093 "movd %%mm1, (%%edi) \n\t" \ 00094 "movd 16(%%esi), %%mm2 \n\t" \ 00095 "pmuludq %%mm0, %%mm2 \n\t" \ 00096 "psrlq $32, %%mm1 \n\t" \ 00097 "movd 20(%%esi), %%mm4 \n\t" \ 00098 "pmuludq %%mm0, %%mm4 \n\t" \ 00099 "paddq %%mm3, %%mm1 \n\t" \ 00100 "movd 24(%%esi), %%mm6 \n\t" \ 00101 "pmuludq %%mm0, %%mm6 \n\t" \ 00102 "movd %%mm1, 4(%%edi) \n\t" \ 00103 "psrlq $32, %%mm1 \n\t" \ 00104 "movd 28(%%esi), %%mm3 \n\t" \ 00105 "pmuludq %%mm0, %%mm3 \n\t" \ 00106 "paddq %%mm5, %%mm1 \n\t" \ 00107 "movd 16(%%edi), %%mm5 \n\t" \ 00108 "paddq %%mm5, %%mm2 \n\t" \ 00109 "movd %%mm1, 8(%%edi) \n\t" \ 00110 "psrlq $32, %%mm1 \n\t" \ 00111 "paddq %%mm7, %%mm1 \n\t" \ 00112 "movd 20(%%edi), %%mm5 \n\t" \ 00113 "paddq %%mm5, %%mm4 \n\t" \ 00114 "movd %%mm1, 12(%%edi) \n\t" \ 00115 "psrlq $32, %%mm1 \n\t" \ 00116 "paddq %%mm2, %%mm1 \n\t" \ 00117 "movd 24(%%edi), %%mm5 \n\t" \ 00118 "paddq %%mm5, %%mm6 \n\t" \ 00119 "movd %%mm1, 16(%%edi) \n\t" \ 00120 "psrlq $32, %%mm1 \n\t" \ 00121 "paddq %%mm4, %%mm1 \n\t" \ 00122 "movd 28(%%edi), %%mm5 \n\t" \ 00123 "paddq %%mm5, %%mm3 \n\t" \ 00124 "movd %%mm1, 20(%%edi) \n\t" \ 00125 "psrlq $32, %%mm1 \n\t" \ 00126 "paddq %%mm6, %%mm1 \n\t" \ 00127 "movd %%mm1, 24(%%edi) \n\t" \ 00128 "psrlq $32, %%mm1 \n\t" \ 00129 "paddq %%mm3, %%mm1 \n\t" \ 00130 "movd %%mm1, 28(%%edi) \n\t" \ 00131 "addl $32, %%edi \n\t" \ 00132 "addl $32, %%esi \n\t" \ 00133 "psrlq $32, %%mm1 \n\t" \ 00134 "movd %%mm1, %%ecx \n\t" 00135 00136 #define MULADDC_STOP \ 00137 "emms \n\t" \ 00138 "movl %4, %%ebx \n\t" \ 00139 "movl %%ecx, %1 \n\t" \ 00140 "movl %%edi, %2 \n\t" \ 00141 "movl %%esi, %3 \n\t" \ 00142 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \ 00143 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \ 00144 : "eax", "ecx", "edx", "esi", "edi" \ 00145 ); 00146 00147 #else 00148 00149 #define MULADDC_STOP \ 00150 "movl %4, %%ebx \n\t" \ 00151 "movl %%ecx, %1 \n\t" \ 00152 "movl %%edi, %2 \n\t" \ 00153 "movl %%esi, %3 \n\t" \ 00154 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \ 00155 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \ 00156 : "eax", "ecx", "edx", "esi", "edi" \ 00157 ); 00158 #endif /* SSE2 */ 00159 #endif /* i386 */ 00160 00161 #if defined(__amd64__) || defined (__x86_64__) 00162 00163 #define MULADDC_INIT \ 00164 asm( \ 00165 "movq %3, %%rsi \n\t" \ 00166 "movq %4, %%rdi \n\t" \ 00167 "movq %5, %%rcx \n\t" \ 00168 "movq %6, %%rbx \n\t" \ 00169 "xorq %%r8, %%r8 \n\t" 00170 00171 #define MULADDC_CORE \ 00172 "movq (%%rsi), %%rax \n\t" \ 00173 "mulq %%rbx \n\t" \ 00174 "addq $8, %%rsi \n\t" \ 00175 "addq %%rcx, %%rax \n\t" \ 00176 "movq %%r8, %%rcx \n\t" \ 00177 "adcq $0, %%rdx \n\t" \ 00178 "nop \n\t" \ 00179 "addq %%rax, (%%rdi) \n\t" \ 00180 "adcq %%rdx, %%rcx \n\t" \ 00181 "addq $8, %%rdi \n\t" 00182 00183 #define MULADDC_STOP \ 00184 "movq %%rcx, %0 \n\t" \ 00185 "movq %%rdi, %1 \n\t" \ 00186 "movq %%rsi, %2 \n\t" \ 00187 : "=m" (c), "=m" (d), "=m" (s) \ 00188 : "m" (s), "m" (d), "m" (c), "m" (b) \ 00189 : "rax", "rcx", "rdx", "rbx", "rsi", "rdi", "r8" \ 00190 ); 00191 00192 #endif /* AMD64 */ 00193 00194 #if defined(__mc68020__) || defined(__mcpu32__) 00195 00196 #define MULADDC_INIT \ 00197 asm( \ 00198 "movl %3, %%a2 \n\t" \ 00199 "movl %4, %%a3 \n\t" \ 00200 "movl %5, %%d3 \n\t" \ 00201 "movl %6, %%d2 \n\t" \ 00202 "moveq #0, %%d0 \n\t" 00203 00204 #define MULADDC_CORE \ 00205 "movel %%a2@+, %%d1 \n\t" \ 00206 "mulul %%d2, %%d4:%%d1 \n\t" \ 00207 "addl %%d3, %%d1 \n\t" \ 00208 "addxl %%d0, %%d4 \n\t" \ 00209 "moveq #0, %%d3 \n\t" \ 00210 "addl %%d1, %%a3@+ \n\t" \ 00211 "addxl %%d4, %%d3 \n\t" 00212 00213 #define MULADDC_STOP \ 00214 "movl %%d3, %0 \n\t" \ 00215 "movl %%a3, %1 \n\t" \ 00216 "movl %%a2, %2 \n\t" \ 00217 : "=m" (c), "=m" (d), "=m" (s) \ 00218 : "m" (s), "m" (d), "m" (c), "m" (b) \ 00219 : "d0", "d1", "d2", "d3", "d4", "a2", "a3" \ 00220 ); 00221 00222 #define MULADDC_HUIT \ 00223 "movel %%a2@+, %%d1 \n\t" \ 00224 "mulul %%d2, %%d4:%%d1 \n\t" \ 00225 "addxl %%d3, %%d1 \n\t" \ 00226 "addxl %%d0, %%d4 \n\t" \ 00227 "addl %%d1, %%a3@+ \n\t" \ 00228 "movel %%a2@+, %%d1 \n\t" \ 00229 "mulul %%d2, %%d3:%%d1 \n\t" \ 00230 "addxl %%d4, %%d1 \n\t" \ 00231 "addxl %%d0, %%d3 \n\t" \ 00232 "addl %%d1, %%a3@+ \n\t" \ 00233 "movel %%a2@+, %%d1 \n\t" \ 00234 "mulul %%d2, %%d4:%%d1 \n\t" \ 00235 "addxl %%d3, %%d1 \n\t" \ 00236 "addxl %%d0, %%d4 \n\t" \ 00237 "addl %%d1, %%a3@+ \n\t" \ 00238 "movel %%a2@+, %%d1 \n\t" \ 00239 "mulul %%d2, %%d3:%%d1 \n\t" \ 00240 "addxl %%d4, %%d1 \n\t" \ 00241 "addxl %%d0, %%d3 \n\t" \ 00242 "addl %%d1, %%a3@+ \n\t" \ 00243 "movel %%a2@+, %%d1 \n\t" \ 00244 "mulul %%d2, %%d4:%%d1 \n\t" \ 00245 "addxl %%d3, %%d1 \n\t" \ 00246 "addxl %%d0, %%d4 \n\t" \ 00247 "addl %%d1, %%a3@+ \n\t" \ 00248 "movel %%a2@+, %%d1 \n\t" \ 00249 "mulul %%d2, %%d3:%%d1 \n\t" \ 00250 "addxl %%d4, %%d1 \n\t" \ 00251 "addxl %%d0, %%d3 \n\t" \ 00252 "addl %%d1, %%a3@+ \n\t" \ 00253 "movel %%a2@+, %%d1 \n\t" \ 00254 "mulul %%d2, %%d4:%%d1 \n\t" \ 00255 "addxl %%d3, %%d1 \n\t" \ 00256 "addxl %%d0, %%d4 \n\t" \ 00257 "addl %%d1, %%a3@+ \n\t" \ 00258 "movel %%a2@+, %%d1 \n\t" \ 00259 "mulul %%d2, %%d3:%%d1 \n\t" \ 00260 "addxl %%d4, %%d1 \n\t" \ 00261 "addxl %%d0, %%d3 \n\t" \ 00262 "addl %%d1, %%a3@+ \n\t" \ 00263 "addxl %%d0, %%d3 \n\t" 00264 00265 #endif /* MC68000 */ 00266 00267 #if defined(__powerpc64__) || defined(__ppc64__) 00268 00269 #if defined(__MACH__) && defined(__APPLE__) 00270 00271 #define MULADDC_INIT \ 00272 asm( \ 00273 "ld r3, %3 \n\t" \ 00274 "ld r4, %4 \n\t" \ 00275 "ld r5, %5 \n\t" \ 00276 "ld r6, %6 \n\t" \ 00277 "addi r3, r3, -8 \n\t" \ 00278 "addi r4, r4, -8 \n\t" \ 00279 "addic r5, r5, 0 \n\t" 00280 00281 #define MULADDC_CORE \ 00282 "ldu r7, 8(r3) \n\t" \ 00283 "mulld r8, r7, r6 \n\t" \ 00284 "mulhdu r9, r7, r6 \n\t" \ 00285 "adde r8, r8, r5 \n\t" \ 00286 "ld r7, 8(r4) \n\t" \ 00287 "addze r5, r9 \n\t" \ 00288 "addc r8, r8, r7 \n\t" \ 00289 "stdu r8, 8(r4) \n\t" 00290 00291 #define MULADDC_STOP \ 00292 "addze r5, r5 \n\t" \ 00293 "addi r4, r4, 8 \n\t" \ 00294 "addi r3, r3, 8 \n\t" \ 00295 "std r5, %0 \n\t" \ 00296 "std r4, %1 \n\t" \ 00297 "std r3, %2 \n\t" \ 00298 : "=m" (c), "=m" (d), "=m" (s) \ 00299 : "m" (s), "m" (d), "m" (c), "m" (b) \ 00300 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \ 00301 ); 00302 00303 00304 #else /* __MACH__ && __APPLE__ */ 00305 00306 #define MULADDC_INIT \ 00307 asm( \ 00308 "ld %%r3, %3 \n\t" \ 00309 "ld %%r4, %4 \n\t" \ 00310 "ld %%r5, %5 \n\t" \ 00311 "ld %%r6, %6 \n\t" \ 00312 "addi %%r3, %%r3, -8 \n\t" \ 00313 "addi %%r4, %%r4, -8 \n\t" \ 00314 "addic %%r5, %%r5, 0 \n\t" 00315 00316 #define MULADDC_CORE \ 00317 "ldu %%r7, 8(%%r3) \n\t" \ 00318 "mulld %%r8, %%r7, %%r6 \n\t" \ 00319 "mulhdu %%r9, %%r7, %%r6 \n\t" \ 00320 "adde %%r8, %%r8, %%r5 \n\t" \ 00321 "ld %%r7, 8(%%r4) \n\t" \ 00322 "addze %%r5, %%r9 \n\t" \ 00323 "addc %%r8, %%r8, %%r7 \n\t" \ 00324 "stdu %%r8, 8(%%r4) \n\t" 00325 00326 #define MULADDC_STOP \ 00327 "addze %%r5, %%r5 \n\t" \ 00328 "addi %%r4, %%r4, 8 \n\t" \ 00329 "addi %%r3, %%r3, 8 \n\t" \ 00330 "std %%r5, %0 \n\t" \ 00331 "std %%r4, %1 \n\t" \ 00332 "std %%r3, %2 \n\t" \ 00333 : "=m" (c), "=m" (d), "=m" (s) \ 00334 : "m" (s), "m" (d), "m" (c), "m" (b) \ 00335 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \ 00336 ); 00337 00338 #endif /* __MACH__ && __APPLE__ */ 00339 00340 #elif defined(__powerpc__) || defined(__ppc__) /* end PPC64/begin PPC32 */ 00341 00342 #if defined(__MACH__) && defined(__APPLE__) 00343 00344 #define MULADDC_INIT \ 00345 asm( \ 00346 "lwz r3, %3 \n\t" \ 00347 "lwz r4, %4 \n\t" \ 00348 "lwz r5, %5 \n\t" \ 00349 "lwz r6, %6 \n\t" \ 00350 "addi r3, r3, -4 \n\t" \ 00351 "addi r4, r4, -4 \n\t" \ 00352 "addic r5, r5, 0 \n\t" 00353 00354 #define MULADDC_CORE \ 00355 "lwzu r7, 4(r3) \n\t" \ 00356 "mullw r8, r7, r6 \n\t" \ 00357 "mulhwu r9, r7, r6 \n\t" \ 00358 "adde r8, r8, r5 \n\t" \ 00359 "lwz r7, 4(r4) \n\t" \ 00360 "addze r5, r9 \n\t" \ 00361 "addc r8, r8, r7 \n\t" \ 00362 "stwu r8, 4(r4) \n\t" 00363 00364 #define MULADDC_STOP \ 00365 "addze r5, r5 \n\t" \ 00366 "addi r4, r4, 4 \n\t" \ 00367 "addi r3, r3, 4 \n\t" \ 00368 "stw r5, %0 \n\t" \ 00369 "stw r4, %1 \n\t" \ 00370 "stw r3, %2 \n\t" \ 00371 : "=m" (c), "=m" (d), "=m" (s) \ 00372 : "m" (s), "m" (d), "m" (c), "m" (b) \ 00373 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \ 00374 ); 00375 00376 #else /* __MACH__ && __APPLE__ */ 00377 00378 #define MULADDC_INIT \ 00379 asm( \ 00380 "lwz %%r3, %3 \n\t" \ 00381 "lwz %%r4, %4 \n\t" \ 00382 "lwz %%r5, %5 \n\t" \ 00383 "lwz %%r6, %6 \n\t" \ 00384 "addi %%r3, %%r3, -4 \n\t" \ 00385 "addi %%r4, %%r4, -4 \n\t" \ 00386 "addic %%r5, %%r5, 0 \n\t" 00387 00388 #define MULADDC_CORE \ 00389 "lwzu %%r7, 4(%%r3) \n\t" \ 00390 "mullw %%r8, %%r7, %%r6 \n\t" \ 00391 "mulhwu %%r9, %%r7, %%r6 \n\t" \ 00392 "adde %%r8, %%r8, %%r5 \n\t" \ 00393 "lwz %%r7, 4(%%r4) \n\t" \ 00394 "addze %%r5, %%r9 \n\t" \ 00395 "addc %%r8, %%r8, %%r7 \n\t" \ 00396 "stwu %%r8, 4(%%r4) \n\t" 00397 00398 #define MULADDC_STOP \ 00399 "addze %%r5, %%r5 \n\t" \ 00400 "addi %%r4, %%r4, 4 \n\t" \ 00401 "addi %%r3, %%r3, 4 \n\t" \ 00402 "stw %%r5, %0 \n\t" \ 00403 "stw %%r4, %1 \n\t" \ 00404 "stw %%r3, %2 \n\t" \ 00405 : "=m" (c), "=m" (d), "=m" (s) \ 00406 : "m" (s), "m" (d), "m" (c), "m" (b) \ 00407 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \ 00408 ); 00409 00410 #endif /* __MACH__ && __APPLE__ */ 00411 00412 #endif /* PPC32 */ 00413 00414 /* 00415 * The Sparc(64) assembly is reported to be broken. 00416 * Disable it for now, until we're able to fix it. 00417 */ 00418 #if 0 && defined(__sparc__) 00419 #if defined(__sparc64__) 00420 00421 #define MULADDC_INIT \ 00422 asm( \ 00423 "ldx %3, %%o0 \n\t" \ 00424 "ldx %4, %%o1 \n\t" \ 00425 "ld %5, %%o2 \n\t" \ 00426 "ld %6, %%o3 \n\t" 00427 00428 #define MULADDC_CORE \ 00429 "ld [%%o0], %%o4 \n\t" \ 00430 "inc 4, %%o0 \n\t" \ 00431 "ld [%%o1], %%o5 \n\t" \ 00432 "umul %%o3, %%o4, %%o4 \n\t" \ 00433 "addcc %%o4, %%o2, %%o4 \n\t" \ 00434 "rd %%y, %%g1 \n\t" \ 00435 "addx %%g1, 0, %%g1 \n\t" \ 00436 "addcc %%o4, %%o5, %%o4 \n\t" \ 00437 "st %%o4, [%%o1] \n\t" \ 00438 "addx %%g1, 0, %%o2 \n\t" \ 00439 "inc 4, %%o1 \n\t" 00440 00441 #define MULADDC_STOP \ 00442 "st %%o2, %0 \n\t" \ 00443 "stx %%o1, %1 \n\t" \ 00444 "stx %%o0, %2 \n\t" \ 00445 : "=m" (c), "=m" (d), "=m" (s) \ 00446 : "m" (s), "m" (d), "m" (c), "m" (b) \ 00447 : "g1", "o0", "o1", "o2", "o3", "o4", \ 00448 "o5" \ 00449 ); 00450 00451 #else /* __sparc64__ */ 00452 00453 #define MULADDC_INIT \ 00454 asm( \ 00455 "ld %3, %%o0 \n\t" \ 00456 "ld %4, %%o1 \n\t" \ 00457 "ld %5, %%o2 \n\t" \ 00458 "ld %6, %%o3 \n\t" 00459 00460 #define MULADDC_CORE \ 00461 "ld [%%o0], %%o4 \n\t" \ 00462 "inc 4, %%o0 \n\t" \ 00463 "ld [%%o1], %%o5 \n\t" \ 00464 "umul %%o3, %%o4, %%o4 \n\t" \ 00465 "addcc %%o4, %%o2, %%o4 \n\t" \ 00466 "rd %%y, %%g1 \n\t" \ 00467 "addx %%g1, 0, %%g1 \n\t" \ 00468 "addcc %%o4, %%o5, %%o4 \n\t" \ 00469 "st %%o4, [%%o1] \n\t" \ 00470 "addx %%g1, 0, %%o2 \n\t" \ 00471 "inc 4, %%o1 \n\t" 00472 00473 #define MULADDC_STOP \ 00474 "st %%o2, %0 \n\t" \ 00475 "st %%o1, %1 \n\t" \ 00476 "st %%o0, %2 \n\t" \ 00477 : "=m" (c), "=m" (d), "=m" (s) \ 00478 : "m" (s), "m" (d), "m" (c), "m" (b) \ 00479 : "g1", "o0", "o1", "o2", "o3", "o4", \ 00480 "o5" \ 00481 ); 00482 00483 #endif /* __sparc64__ */ 00484 #endif /* __sparc__ */ 00485 00486 #if defined(__microblaze__) || defined(microblaze) 00487 00488 #define MULADDC_INIT \ 00489 asm( \ 00490 "lwi r3, %3 \n\t" \ 00491 "lwi r4, %4 \n\t" \ 00492 "lwi r5, %5 \n\t" \ 00493 "lwi r6, %6 \n\t" \ 00494 "andi r7, r6, 0xffff \n\t" \ 00495 "bsrli r6, r6, 16 \n\t" 00496 00497 #define MULADDC_CORE \ 00498 "lhui r8, r3, 0 \n\t" \ 00499 "addi r3, r3, 2 \n\t" \ 00500 "lhui r9, r3, 0 \n\t" \ 00501 "addi r3, r3, 2 \n\t" \ 00502 "mul r10, r9, r6 \n\t" \ 00503 "mul r11, r8, r7 \n\t" \ 00504 "mul r12, r9, r7 \n\t" \ 00505 "mul r13, r8, r6 \n\t" \ 00506 "bsrli r8, r10, 16 \n\t" \ 00507 "bsrli r9, r11, 16 \n\t" \ 00508 "add r13, r13, r8 \n\t" \ 00509 "add r13, r13, r9 \n\t" \ 00510 "bslli r10, r10, 16 \n\t" \ 00511 "bslli r11, r11, 16 \n\t" \ 00512 "add r12, r12, r10 \n\t" \ 00513 "addc r13, r13, r0 \n\t" \ 00514 "add r12, r12, r11 \n\t" \ 00515 "addc r13, r13, r0 \n\t" \ 00516 "lwi r10, r4, 0 \n\t" \ 00517 "add r12, r12, r10 \n\t" \ 00518 "addc r13, r13, r0 \n\t" \ 00519 "add r12, r12, r5 \n\t" \ 00520 "addc r5, r13, r0 \n\t" \ 00521 "swi r12, r4, 0 \n\t" \ 00522 "addi r4, r4, 4 \n\t" 00523 00524 #define MULADDC_STOP \ 00525 "swi r5, %0 \n\t" \ 00526 "swi r4, %1 \n\t" \ 00527 "swi r3, %2 \n\t" \ 00528 : "=m" (c), "=m" (d), "=m" (s) \ 00529 : "m" (s), "m" (d), "m" (c), "m" (b) \ 00530 : "r3", "r4" "r5", "r6", "r7", "r8", \ 00531 "r9", "r10", "r11", "r12", "r13" \ 00532 ); 00533 00534 #endif /* MicroBlaze */ 00535 00536 #if defined(__tricore__) 00537 00538 #define MULADDC_INIT \ 00539 asm( \ 00540 "ld.a %%a2, %3 \n\t" \ 00541 "ld.a %%a3, %4 \n\t" \ 00542 "ld.w %%d4, %5 \n\t" \ 00543 "ld.w %%d1, %6 \n\t" \ 00544 "xor %%d5, %%d5 \n\t" 00545 00546 #define MULADDC_CORE \ 00547 "ld.w %%d0, [%%a2+] \n\t" \ 00548 "madd.u %%e2, %%e4, %%d0, %%d1 \n\t" \ 00549 "ld.w %%d0, [%%a3] \n\t" \ 00550 "addx %%d2, %%d2, %%d0 \n\t" \ 00551 "addc %%d3, %%d3, 0 \n\t" \ 00552 "mov %%d4, %%d3 \n\t" \ 00553 "st.w [%%a3+], %%d2 \n\t" 00554 00555 #define MULADDC_STOP \ 00556 "st.w %0, %%d4 \n\t" \ 00557 "st.a %1, %%a3 \n\t" \ 00558 "st.a %2, %%a2 \n\t" \ 00559 : "=m" (c), "=m" (d), "=m" (s) \ 00560 : "m" (s), "m" (d), "m" (c), "m" (b) \ 00561 : "d0", "d1", "e2", "d4", "a2", "a3" \ 00562 ); 00563 00564 #endif /* TriCore */ 00565 00566 #if defined(__arm__) 00567 00568 #if defined(__thumb__) && !defined(__thumb2__) 00569 00570 #define MULADDC_INIT \ 00571 asm( \ 00572 "ldr r0, %3 \n\t" \ 00573 "ldr r1, %4 \n\t" \ 00574 "ldr r2, %5 \n\t" \ 00575 "ldr r3, %6 \n\t" \ 00576 "lsr r7, r3, #16 \n\t" \ 00577 "mov r9, r7 \n\t" \ 00578 "lsl r7, r3, #16 \n\t" \ 00579 "lsr r7, r7, #16 \n\t" \ 00580 "mov r8, r7 \n\t" 00581 00582 #define MULADDC_CORE \ 00583 "ldmia r0!, {r6} \n\t" \ 00584 "lsr r7, r6, #16 \n\t" \ 00585 "lsl r6, r6, #16 \n\t" \ 00586 "lsr r6, r6, #16 \n\t" \ 00587 "mov r4, r8 \n\t" \ 00588 "mul r4, r6 \n\t" \ 00589 "mov r3, r9 \n\t" \ 00590 "mul r6, r3 \n\t" \ 00591 "mov r5, r9 \n\t" \ 00592 "mul r5, r7 \n\t" \ 00593 "mov r3, r8 \n\t" \ 00594 "mul r7, r3 \n\t" \ 00595 "lsr r3, r6, #16 \n\t" \ 00596 "add r5, r5, r3 \n\t" \ 00597 "lsr r3, r7, #16 \n\t" \ 00598 "add r5, r5, r3 \n\t" \ 00599 "add r4, r4, r2 \n\t" \ 00600 "mov r2, #0 \n\t" \ 00601 "adc r5, r2 \n\t" \ 00602 "lsl r3, r6, #16 \n\t" \ 00603 "add r4, r4, r3 \n\t" \ 00604 "adc r5, r2 \n\t" \ 00605 "lsl r3, r7, #16 \n\t" \ 00606 "add r4, r4, r3 \n\t" \ 00607 "adc r5, r2 \n\t" \ 00608 "ldr r3, [r1] \n\t" \ 00609 "add r4, r4, r3 \n\t" \ 00610 "adc r2, r5 \n\t" \ 00611 "stmia r1!, {r4} \n\t" 00612 00613 #define MULADDC_STOP \ 00614 "str r2, %0 \n\t" \ 00615 "str r1, %1 \n\t" \ 00616 "str r0, %2 \n\t" \ 00617 : "=m" (c), "=m" (d), "=m" (s) \ 00618 : "m" (s), "m" (d), "m" (c), "m" (b) \ 00619 : "r0", "r1", "r2", "r3", "r4", "r5", \ 00620 "r6", "r7", "r8", "r9", "cc" \ 00621 ); 00622 00623 #else 00624 00625 #define MULADDC_INIT \ 00626 asm( \ 00627 "ldr r0, %3 \n\t" \ 00628 "ldr r1, %4 \n\t" \ 00629 "ldr r2, %5 \n\t" \ 00630 "ldr r3, %6 \n\t" 00631 00632 #define MULADDC_CORE \ 00633 "ldr r4, [r0], #4 \n\t" \ 00634 "mov r5, #0 \n\t" \ 00635 "ldr r6, [r1] \n\t" \ 00636 "umlal r2, r5, r3, r4 \n\t" \ 00637 "adds r7, r6, r2 \n\t" \ 00638 "adc r2, r5, #0 \n\t" \ 00639 "str r7, [r1], #4 \n\t" 00640 00641 #define MULADDC_STOP \ 00642 "str r2, %0 \n\t" \ 00643 "str r1, %1 \n\t" \ 00644 "str r0, %2 \n\t" \ 00645 : "=m" (c), "=m" (d), "=m" (s) \ 00646 : "m" (s), "m" (d), "m" (c), "m" (b) \ 00647 : "r0", "r1", "r2", "r3", "r4", "r5", \ 00648 "r6", "r7", "cc" \ 00649 ); 00650 00651 #endif /* Thumb */ 00652 00653 #endif /* ARMv3 */ 00654 00655 #if defined(__alpha__) 00656 00657 #define MULADDC_INIT \ 00658 asm( \ 00659 "ldq $1, %3 \n\t" \ 00660 "ldq $2, %4 \n\t" \ 00661 "ldq $3, %5 \n\t" \ 00662 "ldq $4, %6 \n\t" 00663 00664 #define MULADDC_CORE \ 00665 "ldq $6, 0($1) \n\t" \ 00666 "addq $1, 8, $1 \n\t" \ 00667 "mulq $6, $4, $7 \n\t" \ 00668 "umulh $6, $4, $6 \n\t" \ 00669 "addq $7, $3, $7 \n\t" \ 00670 "cmpult $7, $3, $3 \n\t" \ 00671 "ldq $5, 0($2) \n\t" \ 00672 "addq $7, $5, $7 \n\t" \ 00673 "cmpult $7, $5, $5 \n\t" \ 00674 "stq $7, 0($2) \n\t" \ 00675 "addq $2, 8, $2 \n\t" \ 00676 "addq $6, $3, $3 \n\t" \ 00677 "addq $5, $3, $3 \n\t" 00678 00679 #define MULADDC_STOP \ 00680 "stq $3, %0 \n\t" \ 00681 "stq $2, %1 \n\t" \ 00682 "stq $1, %2 \n\t" \ 00683 : "=m" (c), "=m" (d), "=m" (s) \ 00684 : "m" (s), "m" (d), "m" (c), "m" (b) \ 00685 : "$1", "$2", "$3", "$4", "$5", "$6", "$7" \ 00686 ); 00687 #endif /* Alpha */ 00688 00689 #if defined(__mips__) && !defined(__mips64) 00690 00691 #define MULADDC_INIT \ 00692 asm( \ 00693 "lw $10, %3 \n\t" \ 00694 "lw $11, %4 \n\t" \ 00695 "lw $12, %5 \n\t" \ 00696 "lw $13, %6 \n\t" 00697 00698 #define MULADDC_CORE \ 00699 "lw $14, 0($10) \n\t" \ 00700 "multu $13, $14 \n\t" \ 00701 "addi $10, $10, 4 \n\t" \ 00702 "mflo $14 \n\t" \ 00703 "mfhi $9 \n\t" \ 00704 "addu $14, $12, $14 \n\t" \ 00705 "lw $15, 0($11) \n\t" \ 00706 "sltu $12, $14, $12 \n\t" \ 00707 "addu $15, $14, $15 \n\t" \ 00708 "sltu $14, $15, $14 \n\t" \ 00709 "addu $12, $12, $9 \n\t" \ 00710 "sw $15, 0($11) \n\t" \ 00711 "addu $12, $12, $14 \n\t" \ 00712 "addi $11, $11, 4 \n\t" 00713 00714 #define MULADDC_STOP \ 00715 "sw $12, %0 \n\t" \ 00716 "sw $11, %1 \n\t" \ 00717 "sw $10, %2 \n\t" \ 00718 : "=m" (c), "=m" (d), "=m" (s) \ 00719 : "m" (s), "m" (d), "m" (c), "m" (b) \ 00720 : "$9", "$10", "$11", "$12", "$13", "$14", "$15" \ 00721 ); 00722 00723 #endif /* MIPS */ 00724 #endif /* GNUC */ 00725 00726 #if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) 00727 00728 #define MULADDC_INIT \ 00729 __asm mov esi, s \ 00730 __asm mov edi, d \ 00731 __asm mov ecx, c \ 00732 __asm mov ebx, b 00733 00734 #define MULADDC_CORE \ 00735 __asm lodsd \ 00736 __asm mul ebx \ 00737 __asm add eax, ecx \ 00738 __asm adc edx, 0 \ 00739 __asm add eax, [edi] \ 00740 __asm adc edx, 0 \ 00741 __asm mov ecx, edx \ 00742 __asm stosd 00743 00744 #if defined(MBEDTLS_HAVE_SSE2) 00745 00746 #define EMIT __asm _emit 00747 00748 #define MULADDC_HUIT \ 00749 EMIT 0x0F EMIT 0x6E EMIT 0xC9 \ 00750 EMIT 0x0F EMIT 0x6E EMIT 0xC3 \ 00751 EMIT 0x0F EMIT 0x6E EMIT 0x1F \ 00752 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \ 00753 EMIT 0x0F EMIT 0x6E EMIT 0x16 \ 00754 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \ 00755 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \ 00756 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \ 00757 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \ 00758 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \ 00759 EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \ 00760 EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \ 00761 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \ 00762 EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \ 00763 EMIT 0x0F EMIT 0xD4 EMIT 0xDC \ 00764 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \ 00765 EMIT 0x0F EMIT 0xD4 EMIT 0xEE \ 00766 EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \ 00767 EMIT 0x0F EMIT 0xD4 EMIT 0xFC \ 00768 EMIT 0x0F EMIT 0x7E EMIT 0x0F \ 00769 EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \ 00770 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \ 00771 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 00772 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \ 00773 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \ 00774 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \ 00775 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \ 00776 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \ 00777 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \ 00778 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 00779 EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \ 00780 EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \ 00781 EMIT 0x0F EMIT 0xD4 EMIT 0xCD \ 00782 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \ 00783 EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \ 00784 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \ 00785 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 00786 EMIT 0x0F EMIT 0xD4 EMIT 0xCF \ 00787 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \ 00788 EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \ 00789 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \ 00790 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 00791 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \ 00792 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \ 00793 EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \ 00794 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \ 00795 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 00796 EMIT 0x0F EMIT 0xD4 EMIT 0xCC \ 00797 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \ 00798 EMIT 0x0F EMIT 0xD4 EMIT 0xDD \ 00799 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \ 00800 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 00801 EMIT 0x0F EMIT 0xD4 EMIT 0xCE \ 00802 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \ 00803 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 00804 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \ 00805 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \ 00806 EMIT 0x83 EMIT 0xC7 EMIT 0x20 \ 00807 EMIT 0x83 EMIT 0xC6 EMIT 0x20 \ 00808 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 00809 EMIT 0x0F EMIT 0x7E EMIT 0xC9 00810 00811 #define MULADDC_STOP \ 00812 EMIT 0x0F EMIT 0x77 \ 00813 __asm mov c, ecx \ 00814 __asm mov d, edi \ 00815 __asm mov s, esi \ 00816 00817 #else 00818 00819 #define MULADDC_STOP \ 00820 __asm mov c, ecx \ 00821 __asm mov d, edi \ 00822 __asm mov s, esi \ 00823 00824 #endif /* SSE2 */ 00825 #endif /* MSVC */ 00826 00827 #endif /* MBEDTLS_HAVE_ASM */ 00828 00829 #if !defined(MULADDC_CORE) 00830 #if defined(MBEDTLS_HAVE_UDBL) 00831 00832 #define MULADDC_INIT \ 00833 { \ 00834 mbedtls_t_udbl r; \ 00835 mbedtls_mpi_uint r0, r1; 00836 00837 #define MULADDC_CORE \ 00838 r = *(s++) * (mbedtls_t_udbl) b; \ 00839 r0 = (mbedtls_mpi_uint) r; \ 00840 r1 = (mbedtls_mpi_uint)( r >> biL ); \ 00841 r0 += c; r1 += (r0 < c); \ 00842 r0 += *d; r1 += (r0 < *d); \ 00843 c = r1; *(d++) = r0; 00844 00845 #define MULADDC_STOP \ 00846 } 00847 00848 #else 00849 #define MULADDC_INIT \ 00850 { \ 00851 mbedtls_mpi_uint s0, s1, b0, b1; \ 00852 mbedtls_mpi_uint r0, r1, rx, ry; \ 00853 b0 = ( b << biH ) >> biH; \ 00854 b1 = ( b >> biH ); 00855 00856 #define MULADDC_CORE \ 00857 s0 = ( *s << biH ) >> biH; \ 00858 s1 = ( *s >> biH ); s++; \ 00859 rx = s0 * b1; r0 = s0 * b0; \ 00860 ry = s1 * b0; r1 = s1 * b1; \ 00861 r1 += ( rx >> biH ); \ 00862 r1 += ( ry >> biH ); \ 00863 rx <<= biH; ry <<= biH; \ 00864 r0 += rx; r1 += (r0 < rx); \ 00865 r0 += ry; r1 += (r0 < ry); \ 00866 r0 += c; r1 += (r0 < c); \ 00867 r0 += *d; r1 += (r0 < *d); \ 00868 c = r1; *(d++) = r0; 00869 00870 #define MULADDC_STOP \ 00871 } 00872 00873 #endif /* C (generic) */ 00874 #endif /* C (longlong) */ 00875 00876 #endif /* bn_mul.h */
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