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	1	/**
	2	* \file bn_mul.h
	3	*
	4	* \brief Multi-precision integer library
	5	*
	6	* Copyright (C) 2006-2010, Brainspark B.V.
	7	*
	8	* This file is part of PolarSSL (http://www.polarssl.org)
	9	* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
	10	*
	11	* All rights reserved.
	12	*
	13	* This program is free software; you can redistribute it and/or modify
	14	* it under the terms of the GNU General Public License as published by
	15	* the Free Software Foundation; either version 2 of the License, or
	16	* (at your option) any later version.
	17	*
	18	* This program is distributed in the hope that it will be useful,
	19	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	20	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	21	* GNU General Public License for more details.
	22	*
	23	* You should have received a copy of the GNU General Public License along
	24	* with this program; if not, write to the Free Software Foundation, Inc.,
	25	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	26	*/
	27	/*
	28	* Multiply source vector [s] with b, add result
	29	* to destination vector [d] and set carry c.
	30	*
	31	* Currently supports:
	32	*
	33	* . IA-32 (386+) . AMD64 / EM64T
	34	* . IA-32 (SSE2) . Motorola 68000
	35	* . PowerPC, 32-bit . MicroBlaze
	36	* . PowerPC, 64-bit . TriCore
	37	* . SPARC v8 . ARM v3+
	38	* . Alpha . MIPS32
	39	* . C, longlong . C, generic
	40	*/
	41	#ifndef POLARSSL_BN_MUL_H
	42	#define POLARSSL_BN_MUL_H
	43
	44	#include "bignum.h"
	45
	46	#if defined(POLARSSL_HAVE_ASM)
	47
	48	#if defined(__GNUC__)
	49	#if defined(__i386__)
	50
	51	#define MULADDC_INIT \
	52	asm( " \
	53	movl %%ebx, %0; \
	54	movl %5, %%esi; \
	55	movl %6, %%edi; \
	56	movl %7, %%ecx; \
	57	movl %8, %%ebx; \
	58	"
	59
	60	#define MULADDC_CORE \
	61	" \
	62	lodsl; \
	63	mull %%ebx; \
	64	addl %%ecx, %%eax; \
	65	adcl $0, %%edx; \
	66	addl (%%edi), %%eax; \
	67	adcl $0, %%edx; \
	68	movl %%edx, %%ecx; \
	69	stosl; \
	70	"
	71
	72	#if defined(POLARSSL_HAVE_SSE2)
	73
	74	#define MULADDC_HUIT \
	75	" \
	76	movd %%ecx, %%mm1; \
	77	movd %%ebx, %%mm0; \
	78	movd (%%edi), %%mm3; \
	79	paddq %%mm3, %%mm1; \
	80	movd (%%esi), %%mm2; \
	81	pmuludq %%mm0, %%mm2; \
	82	movd 4(%%esi), %%mm4; \
	83	pmuludq %%mm0, %%mm4; \
	84	movd 8(%%esi), %%mm6; \
	85	pmuludq %%mm0, %%mm6; \
	86	movd 12(%%esi), %%mm7; \
	87	pmuludq %%mm0, %%mm7; \
	88	paddq %%mm2, %%mm1; \
	89	movd 4(%%edi), %%mm3; \
	90	paddq %%mm4, %%mm3; \
	91	movd 8(%%edi), %%mm5; \
	92	paddq %%mm6, %%mm5; \
	93	movd 12(%%edi), %%mm4; \
	94	paddq %%mm4, %%mm7; \
	95	movd %%mm1, (%%edi); \
	96	movd 16(%%esi), %%mm2; \
	97	pmuludq %%mm0, %%mm2; \
	98	psrlq $32, %%mm1; \
	99	movd 20(%%esi), %%mm4; \
	100	pmuludq %%mm0, %%mm4; \
	101	paddq %%mm3, %%mm1; \
	102	movd 24(%%esi), %%mm6; \
	103	pmuludq %%mm0, %%mm6; \
	104	movd %%mm1, 4(%%edi); \
	105	psrlq $32, %%mm1; \
	106	movd 28(%%esi), %%mm3; \
	107	pmuludq %%mm0, %%mm3; \
	108	paddq %%mm5, %%mm1; \
	109	movd 16(%%edi), %%mm5; \
	110	paddq %%mm5, %%mm2; \
	111	movd %%mm1, 8(%%edi); \
	112	psrlq $32, %%mm1; \
	113	paddq %%mm7, %%mm1; \
	114	movd 20(%%edi), %%mm5; \
	115	paddq %%mm5, %%mm4; \
	116	movd %%mm1, 12(%%edi); \
	117	psrlq $32, %%mm1; \
	118	paddq %%mm2, %%mm1; \
	119	movd 24(%%edi), %%mm5; \
	120	paddq %%mm5, %%mm6; \
	121	movd %%mm1, 16(%%edi); \
	122	psrlq $32, %%mm1; \
	123	paddq %%mm4, %%mm1; \
	124	movd 28(%%edi), %%mm5; \
	125	paddq %%mm5, %%mm3; \
	126	movd %%mm1, 20(%%edi); \
	127	psrlq $32, %%mm1; \
	128	paddq %%mm6, %%mm1; \
	129	movd %%mm1, 24(%%edi); \
	130	psrlq $32, %%mm1; \
	131	paddq %%mm3, %%mm1; \
	132	movd %%mm1, 28(%%edi); \
	133	addl $32, %%edi; \
	134	addl $32, %%esi; \
	135	psrlq $32, %%mm1; \
	136	movd %%mm1, %%ecx; \
	137	"
	138
	139	#define MULADDC_STOP \
	140	" \
	141	emms; \
	142	movl %4, %%ebx; \
	143	movl %%ecx, %1; \
	144	movl %%edi, %2; \
	145	movl %%esi, %3; \
	146	" \
	147	: "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
	148	: "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
	149	: "eax", "ecx", "edx", "esi", "edi" \
	150	);
	151
	152	#else
	153
	154	#define MULADDC_STOP \
	155	" \
	156	movl %4, %%ebx; \
	157	movl %%ecx, %1; \
	158	movl %%edi, %2; \
	159	movl %%esi, %3; \
	160	" \
	161	: "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
	162	: "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
	163	: "eax", "ecx", "edx", "esi", "edi" \
	164	);
	165	#endif /* SSE2 */
	166	#endif /* i386 */
	167
	168	#if defined(__amd64__) \|\| defined (__x86_64__)
	169
	170	#define MULADDC_INIT \
	171	asm( "movq %0, %%rsi " :: "m" (s)); \
	172	asm( "movq %0, %%rdi " :: "m" (d)); \
	173	asm( "movq %0, %%rcx " :: "m" (c)); \
	174	asm( "movq %0, %%rbx " :: "m" (b)); \
	175	asm( "xorq %r8, %r8 " );
	176
	177	#define MULADDC_CORE \
	178	asm( "movq (%rsi),%rax " ); \
	179	asm( "mulq %rbx " ); \
	180	asm( "addq $8, %rsi " ); \
	181	asm( "addq %rcx, %rax " ); \
	182	asm( "movq %r8, %rcx " ); \
	183	asm( "adcq $0, %rdx " ); \
	184	asm( "nop " ); \
	185	asm( "addq %rax, (%rdi) " ); \
	186	asm( "adcq %rdx, %rcx " ); \
	187	asm( "addq $8, %rdi " );
	188
	189	#define MULADDC_STOP \
	190	asm( "movq %%rcx, %0 " : "=m" (c)); \
	191	asm( "movq %%rdi, %0 " : "=m" (d)); \
	192	asm( "movq %%rsi, %0 " : "=m" (s) :: \
	193	"rax", "rcx", "rdx", "rbx", "rsi", "rdi", "r8" );
	194
	195	#endif /* AMD64 */
	196
	197	#if defined(__mc68020__) \|\| defined(__mcpu32__)
	198
	199	#define MULADDC_INIT \
	200	asm( "movl %0, %%a2 " :: "m" (s)); \
	201	asm( "movl %0, %%a3 " :: "m" (d)); \
	202	asm( "movl %0, %%d3 " :: "m" (c)); \
	203	asm( "movl %0, %%d2 " :: "m" (b)); \
	204	asm( "moveq #0, %d0 " );
	205
	206	#define MULADDC_CORE \
	207	asm( "movel %a2@+, %d1 " ); \
	208	asm( "mulul %d2, %d4:%d1 " ); \
	209	asm( "addl %d3, %d1 " ); \
	210	asm( "addxl %d0, %d4 " ); \
	211	asm( "moveq #0, %d3 " ); \
	212	asm( "addl %d1, %a3@+ " ); \
	213	asm( "addxl %d4, %d3 " );
	214
	215	#define MULADDC_STOP \
	216	asm( "movl %%d3, %0 " : "=m" (c)); \
	217	asm( "movl %%a3, %0 " : "=m" (d)); \
	218	asm( "movl %%a2, %0 " : "=m" (s) :: \
	219	"d0", "d1", "d2", "d3", "d4", "a2", "a3" );
	220
	221	#define MULADDC_HUIT \
	222	asm( "movel %a2@+, %d1 " ); \
	223	asm( "mulul %d2, %d4:%d1 " ); \
	224	asm( "addxl %d3, %d1 " ); \
	225	asm( "addxl %d0, %d4 " ); \
	226	asm( "addl %d1, %a3@+ " ); \
	227	asm( "movel %a2@+, %d1 " ); \
	228	asm( "mulul %d2, %d3:%d1 " ); \
	229	asm( "addxl %d4, %d1 " ); \
	230	asm( "addxl %d0, %d3 " ); \
	231	asm( "addl %d1, %a3@+ " ); \
	232	asm( "movel %a2@+, %d1 " ); \
	233	asm( "mulul %d2, %d4:%d1 " ); \
	234	asm( "addxl %d3, %d1 " ); \
	235	asm( "addxl %d0, %d4 " ); \
	236	asm( "addl %d1, %a3@+ " ); \
	237	asm( "movel %a2@+, %d1 " ); \
	238	asm( "mulul %d2, %d3:%d1 " ); \
	239	asm( "addxl %d4, %d1 " ); \
	240	asm( "addxl %d0, %d3 " ); \
	241	asm( "addl %d1, %a3@+ " ); \
	242	asm( "movel %a2@+, %d1 " ); \
	243	asm( "mulul %d2, %d4:%d1 " ); \
	244	asm( "addxl %d3, %d1 " ); \
	245	asm( "addxl %d0, %d4 " ); \
	246	asm( "addl %d1, %a3@+ " ); \
	247	asm( "movel %a2@+, %d1 " ); \
	248	asm( "mulul %d2, %d3:%d1 " ); \
	249	asm( "addxl %d4, %d1 " ); \
	250	asm( "addxl %d0, %d3 " ); \
	251	asm( "addl %d1, %a3@+ " ); \
	252	asm( "movel %a2@+, %d1 " ); \
	253	asm( "mulul %d2, %d4:%d1 " ); \
	254	asm( "addxl %d3, %d1 " ); \
	255	asm( "addxl %d0, %d4 " ); \
	256	asm( "addl %d1, %a3@+ " ); \
	257	asm( "movel %a2@+, %d1 " ); \
	258	asm( "mulul %d2, %d3:%d1 " ); \
	259	asm( "addxl %d4, %d1 " ); \
	260	asm( "addxl %d0, %d3 " ); \
	261	asm( "addl %d1, %a3@+ " ); \
	262	asm( "addxl %d0, %d3 " );
	263
	264	#endif /* MC68000 */
	265
	266	#if defined(__powerpc__) \|\| defined(__ppc__)
	267	#if defined(__powerpc64__) \|\| defined(__ppc64__)
	268
	269	#if defined(__MACH__) && defined(__APPLE__)
	270
	271	#define MULADDC_INIT \
	272	asm( "ld r3, %0 " :: "m" (s)); \
	273	asm( "ld r4, %0 " :: "m" (d)); \
	274	asm( "ld r5, %0 " :: "m" (c)); \
	275	asm( "ld r6, %0 " :: "m" (b)); \
	276	asm( "addi r3, r3, -8 " ); \
	277	asm( "addi r4, r4, -8 " ); \
	278	asm( "addic r5, r5, 0 " );
	279
	280	#define MULADDC_CORE \
	281	asm( "ldu r7, 8(r3) " ); \
	282	asm( "mulld r8, r7, r6 " ); \
	283	asm( "mulhdu r9, r7, r6 " ); \
	284	asm( "adde r8, r8, r5 " ); \
	285	asm( "ld r7, 8(r4) " ); \
	286	asm( "addze r5, r9 " ); \
	287	asm( "addc r8, r8, r7 " ); \
	288	asm( "stdu r8, 8(r4) " );
	289
	290	#define MULADDC_STOP \
	291	asm( "addze r5, r5 " ); \
	292	asm( "addi r4, r4, 8 " ); \
	293	asm( "addi r3, r3, 8 " ); \
	294	asm( "std r5, %0 " : "=m" (c)); \
	295	asm( "std r4, %0 " : "=m" (d)); \
	296	asm( "std r3, %0 " : "=m" (s) :: \
	297	"r3", "r4", "r5", "r6", "r7", "r8", "r9" );
	298
	299	#else
	300
	301	#define MULADDC_INIT \
	302	asm( "ld %%r3, %0 " :: "m" (s)); \
	303	asm( "ld %%r4, %0 " :: "m" (d)); \
	304	asm( "ld %%r5, %0 " :: "m" (c)); \
	305	asm( "ld %%r6, %0 " :: "m" (b)); \
	306	asm( "addi %r3, %r3, -8 " ); \
	307	asm( "addi %r4, %r4, -8 " ); \
	308	asm( "addic %r5, %r5, 0 " );
	309
	310	#define MULADDC_CORE \
	311	asm( "ldu %r7, 8(%r3) " ); \
	312	asm( "mulld %r8, %r7, %r6 " ); \
	313	asm( "mulhdu %r9, %r7, %r6 " ); \
	314	asm( "adde %r8, %r8, %r5 " ); \
	315	asm( "ld %r7, 8(%r4) " ); \
	316	asm( "addze %r5, %r9 " ); \
	317	asm( "addc %r8, %r8, %r7 " ); \
	318	asm( "stdu %r8, 8(%r4) " );
	319
	320	#define MULADDC_STOP \
	321	asm( "addze %r5, %r5 " ); \
	322	asm( "addi %r4, %r4, 8 " ); \
	323	asm( "addi %r3, %r3, 8 " ); \
	324	asm( "std %%r5, %0 " : "=m" (c)); \
	325	asm( "std %%r4, %0 " : "=m" (d)); \
	326	asm( "std %%r3, %0 " : "=m" (s) :: \
	327	"r3", "r4", "r5", "r6", "r7", "r8", "r9" );
	328
	329	#endif
	330
	331	#else /* PPC32 */
	332
	333	#if defined(__MACH__) && defined(__APPLE__)
	334
	335	#define MULADDC_INIT \
	336	asm( "lwz r3, %0 " :: "m" (s)); \
	337	asm( "lwz r4, %0 " :: "m" (d)); \
	338	asm( "lwz r5, %0 " :: "m" (c)); \
	339	asm( "lwz r6, %0 " :: "m" (b)); \
	340	asm( "addi r3, r3, -4 " ); \
	341	asm( "addi r4, r4, -4 " ); \
	342	asm( "addic r5, r5, 0 " );
	343
	344	#define MULADDC_CORE \
	345	asm( "lwzu r7, 4(r3) " ); \
	346	asm( "mullw r8, r7, r6 " ); \
	347	asm( "mulhwu r9, r7, r6 " ); \
	348	asm( "adde r8, r8, r5 " ); \
	349	asm( "lwz r7, 4(r4) " ); \
	350	asm( "addze r5, r9 " ); \
	351	asm( "addc r8, r8, r7 " ); \
	352	asm( "stwu r8, 4(r4) " );
	353
	354	#define MULADDC_STOP \
	355	asm( "addze r5, r5 " ); \
	356	asm( "addi r4, r4, 4 " ); \
	357	asm( "addi r3, r3, 4 " ); \
	358	asm( "stw r5, %0 " : "=m" (c)); \
	359	asm( "stw r4, %0 " : "=m" (d)); \
	360	asm( "stw r3, %0 " : "=m" (s) :: \
	361	"r3", "r4", "r5", "r6", "r7", "r8", "r9" );
	362
	363	#else
	364
	365	#define MULADDC_INIT \
	366	asm( "lwz %%r3, %0 " :: "m" (s)); \
	367	asm( "lwz %%r4, %0 " :: "m" (d)); \
	368	asm( "lwz %%r5, %0 " :: "m" (c)); \
	369	asm( "lwz %%r6, %0 " :: "m" (b)); \
	370	asm( "addi %r3, %r3, -4 " ); \
	371	asm( "addi %r4, %r4, -4 " ); \
	372	asm( "addic %r5, %r5, 0 " );
	373
	374	#define MULADDC_CORE \
	375	asm( "lwzu %r7, 4(%r3) " ); \
	376	asm( "mullw %r8, %r7, %r6 " ); \
	377	asm( "mulhwu %r9, %r7, %r6 " ); \
	378	asm( "adde %r8, %r8, %r5 " ); \
	379	asm( "lwz %r7, 4(%r4) " ); \
	380	asm( "addze %r5, %r9 " ); \
	381	asm( "addc %r8, %r8, %r7 " ); \
	382	asm( "stwu %r8, 4(%r4) " );
	383
	384	#define MULADDC_STOP \
	385	asm( "addze %r5, %r5 " ); \
	386	asm( "addi %r4, %r4, 4 " ); \
	387	asm( "addi %r3, %r3, 4 " ); \
	388	asm( "stw %%r5, %0 " : "=m" (c)); \
	389	asm( "stw %%r4, %0 " : "=m" (d)); \
	390	asm( "stw %%r3, %0 " : "=m" (s) :: \
	391	"r3", "r4", "r5", "r6", "r7", "r8", "r9" );
	392
	393	#endif
	394
	395	#endif /* PPC32 */
	396	#endif /* PPC64 */
	397
	398	#if defined(__sparc__) && defined(__sparc64__)
	399
	400	#define MULADDC_INIT \
	401	asm( \
	402	" \
	403	ldx %3, %%o0; \
	404	ldx %4, %%o1; \
	405	ld %5, %%o2; \
	406	ld %6, %%o3; \
	407	"
	408
	409	#define MULADDC_CORE \
	410	" \
	411	ld [%%o0], %%o4; \
	412	inc 4, %%o0; \
	413	ld [%%o1], %%o5; \
	414	umul %%o3, %%o4, %%o4; \
	415	addcc %%o4, %%o2, %%o4; \
	416	rd %%y, %%g1; \
	417	addx %%g1, 0, %%g1; \
	418	addcc %%o4, %%o5, %%o4; \
	419	st %%o4, [%%o1]; \
	420	addx %%g1, 0, %%o2; \
	421	inc 4, %%o1; \
	422	"
	423
	424	#define MULADDC_STOP \
	425	" \
	426	st %%o2, %0; \
	427	stx %%o1, %1; \
	428	stx %%o0, %2; \
	429	" \
	430	: "=m" (c), "=m" (d), "=m" (s) \
	431	: "m" (s), "m" (d), "m" (c), "m" (b) \
	432	: "g1", "o0", "o1", "o2", "o3", "o4", \
	433	"o5" \
	434	);
	435	#endif /* SPARCv9 */
	436
	437	#if defined(__sparc__) && !defined(__sparc64__)
	438
	439	#define MULADDC_INIT \
	440	asm( \
	441	" \
	442	ld %3, %%o0; \
	443	ld %4, %%o1; \
	444	ld %5, %%o2; \
	445	ld %6, %%o3; \
	446	"
	447
	448	#define MULADDC_CORE \
	449	" \
	450	ld [%%o0], %%o4; \
	451	inc 4, %%o0; \
	452	ld [%%o1], %%o5; \
	453	umul %%o3, %%o4, %%o4; \
	454	addcc %%o4, %%o2, %%o4; \
	455	rd %%y, %%g1; \
	456	addx %%g1, 0, %%g1; \
	457	addcc %%o4, %%o5, %%o4; \
	458	st %%o4, [%%o1]; \
	459	addx %%g1, 0, %%o2; \
	460	inc 4, %%o1; \
	461	"
	462
	463	#define MULADDC_STOP \
	464	" \
	465	st %%o2, %0; \
	466	st %%o1, %1; \
	467	st %%o0, %2; \
	468	" \
	469	: "=m" (c), "=m" (d), "=m" (s) \
	470	: "m" (s), "m" (d), "m" (c), "m" (b) \
	471	: "g1", "o0", "o1", "o2", "o3", "o4", \
	472	"o5" \
	473	);
	474
	475	#endif /* SPARCv8 */
	476
	477	#if defined(__microblaze__) \|\| defined(microblaze)
	478
	479	#define MULADDC_INIT \
	480	asm( "lwi r3, %0 " :: "m" (s)); \
	481	asm( "lwi r4, %0 " :: "m" (d)); \
	482	asm( "lwi r5, %0 " :: "m" (c)); \
	483	asm( "lwi r6, %0 " :: "m" (b)); \
	484	asm( "andi r7, r6, 0xffff" ); \
	485	asm( "bsrli r6, r6, 16 " );
	486
	487	#define MULADDC_CORE \
	488	asm( "lhui r8, r3, 0 " ); \
	489	asm( "addi r3, r3, 2 " ); \
	490	asm( "lhui r9, r3, 0 " ); \
	491	asm( "addi r3, r3, 2 " ); \
	492	asm( "mul r10, r9, r6 " ); \
	493	asm( "mul r11, r8, r7 " ); \
	494	asm( "mul r12, r9, r7 " ); \
	495	asm( "mul r13, r8, r6 " ); \
	496	asm( "bsrli r8, r10, 16 " ); \
	497	asm( "bsrli r9, r11, 16 " ); \
	498	asm( "add r13, r13, r8 " ); \
	499	asm( "add r13, r13, r9 " ); \
	500	asm( "bslli r10, r10, 16 " ); \
	501	asm( "bslli r11, r11, 16 " ); \
	502	asm( "add r12, r12, r10 " ); \
	503	asm( "addc r13, r13, r0 " ); \
	504	asm( "add r12, r12, r11 " ); \
	505	asm( "addc r13, r13, r0 " ); \
	506	asm( "lwi r10, r4, 0 " ); \
	507	asm( "add r12, r12, r10 " ); \
	508	asm( "addc r13, r13, r0 " ); \
	509	asm( "add r12, r12, r5 " ); \
	510	asm( "addc r5, r13, r0 " ); \
	511	asm( "swi r12, r4, 0 " ); \
	512	asm( "addi r4, r4, 4 " );
	513
	514	#define MULADDC_STOP \
	515	asm( "swi r5, %0 " : "=m" (c)); \
	516	asm( "swi r4, %0 " : "=m" (d)); \
	517	asm( "swi r3, %0 " : "=m" (s) :: \
	518	"r3", "r4" , "r5" , "r6" , "r7" , "r8" , \
	519	"r9", "r10", "r11", "r12", "r13" );
	520
	521	#endif /* MicroBlaze */
	522
	523	#if defined(__tricore__)
	524
	525	#define MULADDC_INIT \
	526	asm( "ld.a %%a2, %0 " :: "m" (s)); \
	527	asm( "ld.a %%a3, %0 " :: "m" (d)); \
	528	asm( "ld.w %%d4, %0 " :: "m" (c)); \
	529	asm( "ld.w %%d1, %0 " :: "m" (b)); \
	530	asm( "xor %d5, %d5 " );
	531
	532	#define MULADDC_CORE \
	533	asm( "ld.w %d0, [%a2+] " ); \
	534	asm( "madd.u %e2, %e4, %d0, %d1 " ); \
	535	asm( "ld.w %d0, [%a3] " ); \
	536	asm( "addx %d2, %d2, %d0 " ); \
	537	asm( "addc %d3, %d3, 0 " ); \
	538	asm( "mov %d4, %d3 " ); \
	539	asm( "st.w [%a3+], %d2 " );
	540
	541	#define MULADDC_STOP \
	542	asm( "st.w %0, %%d4 " : "=m" (c)); \
	543	asm( "st.a %0, %%a3 " : "=m" (d)); \
	544	asm( "st.a %0, %%a2 " : "=m" (s) :: \
	545	"d0", "d1", "e2", "d4", "a2", "a3" );
	546
	547	#endif /* TriCore */
	548
	549	#if defined(__arm__)
	550
	551	#if defined(__thumb__) && !defined(__thumb2__)
	552
	553	#define MULADDC_INIT \
	554	asm( \
	555	" \
	556	ldr r0, %3; \
	557	ldr r1, %4; \
	558	ldr r2, %5; \
	559	ldr r3, %6; \
	560	lsr r7, r3, #16; \
	561	mov r9, r7; \
	562	lsl r7, r3, #16; \
	563	lsr r7, r7, #16; \
	564	mov r8, r7; \
	565	"
	566
	567	#define MULADDC_CORE \
	568	" \
	569	ldmia r0!, {r6}; \
	570	lsr r7, r6, #16; \
	571	lsl r6, r6, #16; \
	572	lsr r6, r6, #16; \
	573	mov r4, r8; \
	574	mul r4, r6; \
	575	mov r3, r9; \
	576	mul r6, r3; \
	577	mov r5, r9; \
	578	mul r5, r7; \
	579	mov r3, r8; \
	580	mul r7, r3; \
	581	lsr r3, r6, #16; \
	582	add r5, r5, r3; \
	583	lsr r3, r7, #16; \
	584	add r5, r5, r3; \
	585	add r4, r4, r2; \
	586	mov r2, #0; \
	587	adc r5, r2; \
	588	lsl r3, r6, #16; \
	589	add r4, r4, r3; \
	590	adc r5, r2; \
	591	lsl r3, r7, #16; \
	592	add r4, r4, r3; \
	593	adc r5, r2; \
	594	ldr r3, [r1]; \
	595	add r4, r4, r3; \
	596	adc r2, r5; \
	597	stmia r1!, {r4}; \
	598	"
	599
	600	#define MULADDC_STOP \
	601	" \
	602	str r2, %0; \
	603	str r1, %1; \
	604	str r0, %2; \
	605	" \
	606	: "=m" (c), "=m" (d), "=m" (s) \
	607	: "m" (s), "m" (d), "m" (c), "m" (b) \
	608	: "r0", "r1", "r2", "r3", "r4", "r5", \
	609	"r6", "r7", "r8", "r9", "cc" \
	610	);
	611
	612	#else
	613
	614	#define MULADDC_INIT \
	615	asm( \
	616	" \
	617	ldr r0, %3; \
	618	ldr r1, %4; \
	619	ldr r2, %5; \
	620	ldr r3, %6; \
	621	"
	622
	623	#define MULADDC_CORE \
	624	" \
	625	ldr r4, [r0], #4; \
	626	mov r5, #0; \
	627	ldr r6, [r1]; \
	628	umlal r2, r5, r3, r4; \
	629	adds r7, r6, r2; \
	630	adc r2, r5, #0; \
	631	str r7, [r1], #4; \
	632	"
	633
	634	#define MULADDC_STOP \
	635	" \
	636	str r2, %0; \
	637	str r1, %1; \
	638	str r0, %2; \
	639	" \
	640	: "=m" (c), "=m" (d), "=m" (s) \
	641	: "m" (s), "m" (d), "m" (c), "m" (b) \
	642	: "r0", "r1", "r2", "r3", "r4", "r5", \
	643	"r6", "r7", "cc" \
	644	);
	645
	646	#endif /* Thumb */
	647
	648	#endif /* ARMv3 */
	649
	650	#if defined(__alpha__)
	651
	652	#define MULADDC_INIT \
	653	asm( "ldq $1, %0 " :: "m" (s)); \
	654	asm( "ldq $2, %0 " :: "m" (d)); \
	655	asm( "ldq $3, %0 " :: "m" (c)); \
	656	asm( "ldq $4, %0 " :: "m" (b));
	657
	658	#define MULADDC_CORE \
	659	asm( "ldq $6, 0($1) " ); \
	660	asm( "addq $1, 8, $1 " ); \
	661	asm( "mulq $6, $4, $7 " ); \
	662	asm( "umulh $6, $4, $6 " ); \
	663	asm( "addq $7, $3, $7 " ); \
	664	asm( "cmpult $7, $3, $3 " ); \
	665	asm( "ldq $5, 0($2) " ); \
	666	asm( "addq $7, $5, $7 " ); \
	667	asm( "cmpult $7, $5, $5 " ); \
	668	asm( "stq $7, 0($2) " ); \
	669	asm( "addq $2, 8, $2 " ); \
	670	asm( "addq $6, $3, $3 " ); \
	671	asm( "addq $5, $3, $3 " );
	672
	673	#define MULADDC_STOP \
	674	asm( "stq $3, %0 " : "=m" (c)); \
	675	asm( "stq $2, %0 " : "=m" (d)); \
	676	asm( "stq $1, %0 " : "=m" (s) :: \
	677	"$1", "$2", "$3", "$4", "$5", "$6", "$7" );
	678
	679	#endif /* Alpha */
	680
	681	#if defined(__mips__)
	682
	683	#define MULADDC_INIT \
	684	asm( "lw $10, %0 " :: "m" (s)); \
	685	asm( "lw $11, %0 " :: "m" (d)); \
	686	asm( "lw $12, %0 " :: "m" (c)); \
	687	asm( "lw $13, %0 " :: "m" (b));
	688
	689	#define MULADDC_CORE \
	690	asm( "lw $14, 0($10) " ); \
	691	asm( "multu $13, $14 " ); \
	692	asm( "addi $10, $10, 4 " ); \
	693	asm( "mflo $14 " ); \
	694	asm( "mfhi $9 " ); \
	695	asm( "addu $14, $12, $14 " ); \
	696	asm( "lw $15, 0($11) " ); \
	697	asm( "sltu $12, $14, $12 " ); \
	698	asm( "addu $15, $14, $15 " ); \
	699	asm( "sltu $14, $15, $14 " ); \
	700	asm( "addu $12, $12, $9 " ); \
	701	asm( "sw $15, 0($11) " ); \
	702	asm( "addu $12, $12, $14 " ); \
	703	asm( "addi $11, $11, 4 " );
	704
	705	#define MULADDC_STOP \
	706	asm( "sw $12, %0 " : "=m" (c)); \
	707	asm( "sw $11, %0 " : "=m" (d)); \
	708	asm( "sw $10, %0 " : "=m" (s) :: \
	709	"$9", "$10", "$11", "$12", "$13", "$14", "$15" );
	710
	711	#endif /* MIPS */
	712	#endif /* GNUC */
	713
	714	#if (defined(_MSC_VER) && defined(_M_IX86)) \|\| defined(__WATCOMC__)
	715
	716	#define MULADDC_INIT \
	717	__asm mov esi, s \
	718	__asm mov edi, d \
	719	__asm mov ecx, c \
	720	__asm mov ebx, b
	721
	722	#define MULADDC_CORE \
	723	__asm lodsd \
	724	__asm mul ebx \
	725	__asm add eax, ecx \
	726	__asm adc edx, 0 \
	727	__asm add eax, [edi] \
	728	__asm adc edx, 0 \
	729	__asm mov ecx, edx \
	730	__asm stosd
	731
	732	#if defined(POLARSSL_HAVE_SSE2)
	733
	734	#define EMIT __asm _emit
	735
	736	#define MULADDC_HUIT \
	737	EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
	738	EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
	739	EMIT 0x0F EMIT 0x6E EMIT 0x1F \
	740	EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
	741	EMIT 0x0F EMIT 0x6E EMIT 0x16 \
	742	EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
	743	EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
	744	EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
	745	EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
	746	EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
	747	EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
	748	EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
	749	EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
	750	EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
	751	EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
	752	EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
	753	EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
	754	EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
	755	EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
	756	EMIT 0x0F EMIT 0x7E EMIT 0x0F \
	757	EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
	758	EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
	759	EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
	760	EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
	761	EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
	762	EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
	763	EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
	764	EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
	765	EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
	766	EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
	767	EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
	768	EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
	769	EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
	770	EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
	771	EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
	772	EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
	773	EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
	774	EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
	775	EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
	776	EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
	777	EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
	778	EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
	779	EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
	780	EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
	781	EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
	782	EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
	783	EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
	784	EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
	785	EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
	786	EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
	787	EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
	788	EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
	789	EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
	790	EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
	791	EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
	792	EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
	793	EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
	794	EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
	795	EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
	796	EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
	797	EMIT 0x0F EMIT 0x7E EMIT 0xC9
	798
	799	#define MULADDC_STOP \
	800	EMIT 0x0F EMIT 0x77 \
	801	__asm mov c, ecx \
	802	__asm mov d, edi \
	803	__asm mov s, esi \
	804
	805	#else
	806
	807	#define MULADDC_STOP \
	808	__asm mov c, ecx \
	809	__asm mov d, edi \
	810	__asm mov s, esi \
	811
	812	#endif /* SSE2 */
	813	#endif /* MSVC */
	814
	815	#endif /* POLARSSL_HAVE_ASM */
	816
	817	#if !defined(MULADDC_CORE)
	818	#if defined(POLARSSL_HAVE_UDBL)
	819
	820	#define MULADDC_INIT \
	821	{ \
	822	t_udbl r; \
	823	t_uint r0, r1;
	824
	825	#define MULADDC_CORE \
	826	r = (s++) (t_udbl) b; \
	827	r0 = r; \
	828	r1 = r >> biL; \
	829	r0 += c; r1 += (r0 < c); \
	830	r0 += d; r1 += (r0 < d); \
	831	c = r1; *(d++) = r0;
	832
	833	#define MULADDC_STOP \
	834	}
	835
	836	#else
	837	#define MULADDC_INIT \
	838	{ \
	839	t_uint s0, s1, b0, b1; \
	840	t_uint r0, r1, rx, ry; \
	841	b0 = ( b << biH ) >> biH; \
	842	b1 = ( b >> biH );
	843
	844	#define MULADDC_CORE \
	845	s0 = ( *s << biH ) >> biH; \
	846	s1 = ( *s >> biH ); s++; \
	847	rx = s0 * b1; r0 = s0 * b0; \
	848	ry = s1 * b0; r1 = s1 * b1; \
	849	r1 += ( rx >> biH ); \
	850	r1 += ( ry >> biH ); \
	851	rx <<= biH; ry <<= biH; \
	852	r0 += rx; r1 += (r0 < rx); \
	853	r0 += ry; r1 += (r0 < ry); \
	854	r0 += c; r1 += (r0 < c); \
	855	r0 += d; r1 += (r0 < d); \
	856	c = r1; *(d++) = r0;
	857
	858	#define MULADDC_STOP \
	859	}
	860
	861	#endif /* C (generic) */
	862	#endif /* C (longlong) */
	863
	864	#endif /* bn_mul.h */