2009-01-03 21:22:43 +00:00
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/**
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* \file bn_mul.h
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2009-01-04 16:27:10 +00:00
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*
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2009-07-28 17:23:11 +00:00
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* Copyright (C) 2006-2009, Paul Bakker <polarssl_maintainer at polarssl.org>
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* All rights reserved.
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2009-01-04 16:27:10 +00:00
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*
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2009-07-28 17:23:11 +00:00
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* Joined copyright on original XySSL code with: Christophe Devine
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2009-01-04 16:27:10 +00:00
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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2009-01-03 21:22:43 +00:00
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*/
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/*
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* Multiply source vector [s] with b, add result
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* to destination vector [d] and set carry c.
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*
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* Currently supports:
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*
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* . IA-32 (386+) . AMD64 / EM64T
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* . IA-32 (SSE2) . Motorola 68000
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* . PowerPC, 32-bit . MicroBlaze
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* . PowerPC, 64-bit . TriCore
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* . SPARC v8 . ARM v3+
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* . Alpha . MIPS32
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* . C, longlong . C, generic
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*/
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2009-01-03 21:51:57 +00:00
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#ifndef POLARSSL_BN_MUL_H
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#define POLARSSL_BN_MUL_H
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2009-01-03 21:22:43 +00:00
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2009-01-03 21:24:11 +00:00
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#include "polarssl/config.h"
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2009-01-03 21:22:43 +00:00
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2009-01-03 21:51:57 +00:00
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#if defined(POLARSSL_HAVE_ASM)
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2009-01-03 21:22:43 +00:00
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#if defined(__GNUC__)
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#if defined(__i386__)
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2009-07-19 21:37:39 +00:00
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#define MULADDC_INIT \
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asm( " \
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movl %%ebx, %0; \
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movl %5, %%esi; \
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movl %6, %%edi; \
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movl %7, %%ecx; \
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movl %8, %%ebx; \
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"
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2009-01-03 21:22:43 +00:00
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2009-07-08 19:49:01 +00:00
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#define MULADDC_CORE \
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2009-07-19 21:37:39 +00:00
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" \
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2009-07-08 19:49:01 +00:00
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lodsl; \
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mull %%ebx; \
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addl %%ecx, %%eax; \
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adcl $0, %%edx; \
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addl (%%edi), %%eax; \
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adcl $0, %%edx; \
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movl %%edx, %%ecx; \
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2009-07-19 21:37:39 +00:00
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stosl; \
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"
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2009-01-03 21:22:43 +00:00
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2009-01-03 21:51:57 +00:00
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#if defined(POLARSSL_HAVE_SSE2)
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2009-01-03 21:22:43 +00:00
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2009-07-19 21:37:39 +00:00
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#define MULADDC_HUIT \
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" \
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movd %%ecx, %%mm1; \
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movd %%ebx, %%mm0; \
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movd (%%edi), %%mm3; \
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paddq %%mm3, %%mm1; \
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movd (%%esi), %%mm2; \
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pmuludq %%mm0, %%mm2; \
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movd 4(%%esi), %%mm4; \
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pmuludq %%mm0, %%mm4; \
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movd 8(%%esi), %%mm6; \
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pmuludq %%mm0, %%mm6; \
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movd 12(%%esi), %%mm7; \
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pmuludq %%mm0, %%mm7; \
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paddq %%mm2, %%mm1; \
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movd 4(%%edi), %%mm3; \
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paddq %%mm4, %%mm3; \
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movd 8(%%edi), %%mm5; \
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paddq %%mm6, %%mm5; \
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movd 12(%%edi), %%mm4; \
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paddq %%mm4, %%mm7; \
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movd %%mm1, (%%edi); \
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movd 16(%%esi), %%mm2; \
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pmuludq %%mm0, %%mm2; \
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psrlq $32, %%mm1; \
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movd 20(%%esi), %%mm4; \
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pmuludq %%mm0, %%mm4; \
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paddq %%mm3, %%mm1; \
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movd 24(%%esi), %%mm6; \
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pmuludq %%mm0, %%mm6; \
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movd %%mm1, 4(%%edi); \
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psrlq $32, %%mm1; \
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movd 28(%%esi), %%mm3; \
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pmuludq %%mm0, %%mm3; \
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paddq %%mm5, %%mm1; \
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movd 16(%%edi), %%mm5; \
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paddq %%mm5, %%mm2; \
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movd %%mm1, 8(%%edi); \
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psrlq $32, %%mm1; \
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paddq %%mm7, %%mm1; \
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movd 20(%%edi), %%mm5; \
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paddq %%mm5, %%mm4; \
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movd %%mm1, 12(%%edi); \
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psrlq $32, %%mm1; \
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paddq %%mm2, %%mm1; \
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movd 24(%%edi), %%mm5; \
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paddq %%mm5, %%mm6; \
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movd %%mm1, 16(%%edi); \
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psrlq $32, %%mm1; \
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paddq %%mm4, %%mm1; \
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movd 28(%%edi), %%mm5; \
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paddq %%mm5, %%mm3; \
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movd %%mm1, 20(%%edi); \
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psrlq $32, %%mm1; \
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paddq %%mm6, %%mm1; \
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movd %%mm1, 24(%%edi); \
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psrlq $32, %%mm1; \
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paddq %%mm3, %%mm1; \
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movd %%mm1, 28(%%edi); \
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addl $32, %%edi; \
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addl $32, %%esi; \
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psrlq $32, %%mm1; \
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movd %%mm1, %%ecx; \
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"
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2009-01-03 21:22:43 +00:00
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2009-07-19 21:37:39 +00:00
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#define MULADDC_STOP \
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" \
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emms; \
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movl %4, %%ebx; \
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movl %%ecx, %1; \
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movl %%edi, %2; \
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movl %%esi, %3; \
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" \
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: "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
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: "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
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: "eax", "ecx", "edx", "esi", "edi" \
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);
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2009-01-03 21:22:43 +00:00
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#else
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2009-07-19 21:37:39 +00:00
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#define MULADDC_STOP \
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" \
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movl %4, %%ebx; \
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movl %%ecx, %1; \
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movl %%edi, %2; \
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movl %%esi, %3; \
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" \
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: "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
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: "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
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: "eax", "ecx", "edx", "esi", "edi" \
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);
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2009-01-03 21:22:43 +00:00
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#endif /* SSE2 */
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#endif /* i386 */
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#if defined(__amd64__) || defined (__x86_64__)
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#define MULADDC_INIT \
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asm( "movq %0, %%rsi " :: "m" (s)); \
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asm( "movq %0, %%rdi " :: "m" (d)); \
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asm( "movq %0, %%rcx " :: "m" (c)); \
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asm( "movq %0, %%rbx " :: "m" (b)); \
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asm( "xorq %r8, %r8 " );
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#define MULADDC_CORE \
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asm( "movq (%rsi),%rax " ); \
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asm( "mulq %rbx " ); \
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asm( "addq $8, %rsi " ); \
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asm( "addq %rcx, %rax " ); \
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asm( "movq %r8, %rcx " ); \
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asm( "adcq $0, %rdx " ); \
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asm( "nop " ); \
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asm( "addq %rax, (%rdi) " ); \
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asm( "adcq %rdx, %rcx " ); \
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asm( "addq $8, %rdi " );
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#define MULADDC_STOP \
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asm( "movq %%rcx, %0 " : "=m" (c)); \
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asm( "movq %%rdi, %0 " : "=m" (d)); \
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asm( "movq %%rsi, %0 " : "=m" (s) :: \
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"rax", "rcx", "rdx", "rbx", "rsi", "rdi", "r8" );
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#endif /* AMD64 */
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#if defined(__mc68020__) || defined(__mcpu32__)
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#define MULADDC_INIT \
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asm( "movl %0, %%a2 " :: "m" (s)); \
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asm( "movl %0, %%a3 " :: "m" (d)); \
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asm( "movl %0, %%d3 " :: "m" (c)); \
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asm( "movl %0, %%d2 " :: "m" (b)); \
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asm( "moveq #0, %d0 " );
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#define MULADDC_CORE \
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asm( "movel %a2@+, %d1 " ); \
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asm( "mulul %d2, %d4:%d1 " ); \
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asm( "addl %d3, %d1 " ); \
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asm( "addxl %d0, %d4 " ); \
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asm( "moveq #0, %d3 " ); \
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asm( "addl %d1, %a3@+ " ); \
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asm( "addxl %d4, %d3 " );
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#define MULADDC_STOP \
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asm( "movl %%d3, %0 " : "=m" (c)); \
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asm( "movl %%a3, %0 " : "=m" (d)); \
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asm( "movl %%a2, %0 " : "=m" (s) :: \
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"d0", "d1", "d2", "d3", "d4", "a2", "a3" );
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#define MULADDC_HUIT \
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asm( "movel %a2@+, %d1 " ); \
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asm( "mulul %d2, %d4:%d1 " ); \
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asm( "addxl %d3, %d1 " ); \
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asm( "addxl %d0, %d4 " ); \
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asm( "addl %d1, %a3@+ " ); \
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asm( "movel %a2@+, %d1 " ); \
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asm( "mulul %d2, %d3:%d1 " ); \
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asm( "addxl %d4, %d1 " ); \
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asm( "addxl %d0, %d3 " ); \
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asm( "addl %d1, %a3@+ " ); \
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asm( "movel %a2@+, %d1 " ); \
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asm( "mulul %d2, %d4:%d1 " ); \
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asm( "addxl %d3, %d1 " ); \
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asm( "addxl %d0, %d4 " ); \
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asm( "addl %d1, %a3@+ " ); \
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asm( "movel %a2@+, %d1 " ); \
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asm( "mulul %d2, %d3:%d1 " ); \
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asm( "addxl %d4, %d1 " ); \
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asm( "addxl %d0, %d3 " ); \
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asm( "addl %d1, %a3@+ " ); \
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asm( "movel %a2@+, %d1 " ); \
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asm( "mulul %d2, %d4:%d1 " ); \
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asm( "addxl %d3, %d1 " ); \
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asm( "addxl %d0, %d4 " ); \
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asm( "addl %d1, %a3@+ " ); \
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asm( "movel %a2@+, %d1 " ); \
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asm( "mulul %d2, %d3:%d1 " ); \
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asm( "addxl %d4, %d1 " ); \
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asm( "addxl %d0, %d3 " ); \
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asm( "addl %d1, %a3@+ " ); \
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asm( "movel %a2@+, %d1 " ); \
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asm( "mulul %d2, %d4:%d1 " ); \
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asm( "addxl %d3, %d1 " ); \
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asm( "addxl %d0, %d4 " ); \
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asm( "addl %d1, %a3@+ " ); \
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asm( "movel %a2@+, %d1 " ); \
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asm( "mulul %d2, %d3:%d1 " ); \
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asm( "addxl %d4, %d1 " ); \
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asm( "addxl %d0, %d3 " ); \
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asm( "addl %d1, %a3@+ " ); \
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asm( "addxl %d0, %d3 " );
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#endif /* MC68000 */
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#if defined(__powerpc__) || defined(__ppc__)
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#if defined(__powerpc64__) || defined(__ppc64__)
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#if defined(__MACH__) && defined(__APPLE__)
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#define MULADDC_INIT \
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asm( "ld r3, %0 " :: "m" (s)); \
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asm( "ld r4, %0 " :: "m" (d)); \
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asm( "ld r5, %0 " :: "m" (c)); \
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asm( "ld r6, %0 " :: "m" (b)); \
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asm( "addi r3, r3, -8 " ); \
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asm( "addi r4, r4, -8 " ); \
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asm( "addic r5, r5, 0 " );
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#define MULADDC_CORE \
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asm( "ldu r7, 8(r3) " ); \
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asm( "mulld r8, r7, r6 " ); \
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|
|
|
|
asm( "mulhdu r9, r7, r6 " ); \
|
|
|
|
|
asm( "adde r8, r8, r5 " ); \
|
|
|
|
|
asm( "ld r7, 8(r4) " ); \
|
|
|
|
|
asm( "addze r5, r9 " ); \
|
|
|
|
|
asm( "addc r8, r8, r7 " ); \
|
|
|
|
|
asm( "stdu r8, 8(r4) " );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_STOP \
|
|
|
|
|
asm( "addze r5, r5 " ); \
|
|
|
|
|
asm( "addi r4, r4, 8 " ); \
|
|
|
|
|
asm( "addi r3, r3, 8 " ); \
|
|
|
|
|
asm( "std r5, %0 " : "=m" (c)); \
|
|
|
|
|
asm( "std r4, %0 " : "=m" (d)); \
|
|
|
|
|
asm( "std r3, %0 " : "=m" (s) :: \
|
|
|
|
|
"r3", "r4", "r5", "r6", "r7", "r8", "r9" );
|
|
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
|
|
|
|
|
#define MULADDC_INIT \
|
|
|
|
|
asm( "ld %%r3, %0 " :: "m" (s)); \
|
|
|
|
|
asm( "ld %%r4, %0 " :: "m" (d)); \
|
|
|
|
|
asm( "ld %%r5, %0 " :: "m" (c)); \
|
|
|
|
|
asm( "ld %%r6, %0 " :: "m" (b)); \
|
|
|
|
|
asm( "addi %r3, %r3, -8 " ); \
|
|
|
|
|
asm( "addi %r4, %r4, -8 " ); \
|
|
|
|
|
asm( "addic %r5, %r5, 0 " );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_CORE \
|
|
|
|
|
asm( "ldu %r7, 8(%r3) " ); \
|
|
|
|
|
asm( "mulld %r8, %r7, %r6 " ); \
|
|
|
|
|
asm( "mulhdu %r9, %r7, %r6 " ); \
|
|
|
|
|
asm( "adde %r8, %r8, %r5 " ); \
|
|
|
|
|
asm( "ld %r7, 8(%r4) " ); \
|
|
|
|
|
asm( "addze %r5, %r9 " ); \
|
|
|
|
|
asm( "addc %r8, %r8, %r7 " ); \
|
|
|
|
|
asm( "stdu %r8, 8(%r4) " );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_STOP \
|
|
|
|
|
asm( "addze %r5, %r5 " ); \
|
|
|
|
|
asm( "addi %r4, %r4, 8 " ); \
|
|
|
|
|
asm( "addi %r3, %r3, 8 " ); \
|
|
|
|
|
asm( "std %%r5, %0 " : "=m" (c)); \
|
|
|
|
|
asm( "std %%r4, %0 " : "=m" (d)); \
|
|
|
|
|
asm( "std %%r3, %0 " : "=m" (s) :: \
|
|
|
|
|
"r3", "r4", "r5", "r6", "r7", "r8", "r9" );
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#else /* PPC32 */
|
|
|
|
|
|
|
|
|
|
#if defined(__MACH__) && defined(__APPLE__)
|
|
|
|
|
|
|
|
|
|
#define MULADDC_INIT \
|
|
|
|
|
asm( "lwz r3, %0 " :: "m" (s)); \
|
|
|
|
|
asm( "lwz r4, %0 " :: "m" (d)); \
|
|
|
|
|
asm( "lwz r5, %0 " :: "m" (c)); \
|
|
|
|
|
asm( "lwz r6, %0 " :: "m" (b)); \
|
|
|
|
|
asm( "addi r3, r3, -4 " ); \
|
|
|
|
|
asm( "addi r4, r4, -4 " ); \
|
|
|
|
|
asm( "addic r5, r5, 0 " );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_CORE \
|
|
|
|
|
asm( "lwzu r7, 4(r3) " ); \
|
|
|
|
|
asm( "mullw r8, r7, r6 " ); \
|
|
|
|
|
asm( "mulhwu r9, r7, r6 " ); \
|
|
|
|
|
asm( "adde r8, r8, r5 " ); \
|
|
|
|
|
asm( "lwz r7, 4(r4) " ); \
|
|
|
|
|
asm( "addze r5, r9 " ); \
|
|
|
|
|
asm( "addc r8, r8, r7 " ); \
|
|
|
|
|
asm( "stwu r8, 4(r4) " );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_STOP \
|
|
|
|
|
asm( "addze r5, r5 " ); \
|
|
|
|
|
asm( "addi r4, r4, 4 " ); \
|
|
|
|
|
asm( "addi r3, r3, 4 " ); \
|
|
|
|
|
asm( "stw r5, %0 " : "=m" (c)); \
|
|
|
|
|
asm( "stw r4, %0 " : "=m" (d)); \
|
|
|
|
|
asm( "stw r3, %0 " : "=m" (s) :: \
|
|
|
|
|
"r3", "r4", "r5", "r6", "r7", "r8", "r9" );
|
|
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
|
|
|
|
|
#define MULADDC_INIT \
|
|
|
|
|
asm( "lwz %%r3, %0 " :: "m" (s)); \
|
|
|
|
|
asm( "lwz %%r4, %0 " :: "m" (d)); \
|
|
|
|
|
asm( "lwz %%r5, %0 " :: "m" (c)); \
|
|
|
|
|
asm( "lwz %%r6, %0 " :: "m" (b)); \
|
|
|
|
|
asm( "addi %r3, %r3, -4 " ); \
|
|
|
|
|
asm( "addi %r4, %r4, -4 " ); \
|
|
|
|
|
asm( "addic %r5, %r5, 0 " );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_CORE \
|
|
|
|
|
asm( "lwzu %r7, 4(%r3) " ); \
|
|
|
|
|
asm( "mullw %r8, %r7, %r6 " ); \
|
|
|
|
|
asm( "mulhwu %r9, %r7, %r6 " ); \
|
|
|
|
|
asm( "adde %r8, %r8, %r5 " ); \
|
|
|
|
|
asm( "lwz %r7, 4(%r4) " ); \
|
|
|
|
|
asm( "addze %r5, %r9 " ); \
|
|
|
|
|
asm( "addc %r8, %r8, %r7 " ); \
|
|
|
|
|
asm( "stwu %r8, 4(%r4) " );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_STOP \
|
|
|
|
|
asm( "addze %r5, %r5 " ); \
|
|
|
|
|
asm( "addi %r4, %r4, 4 " ); \
|
|
|
|
|
asm( "addi %r3, %r3, 4 " ); \
|
|
|
|
|
asm( "stw %%r5, %0 " : "=m" (c)); \
|
|
|
|
|
asm( "stw %%r4, %0 " : "=m" (d)); \
|
|
|
|
|
asm( "stw %%r3, %0 " : "=m" (s) :: \
|
|
|
|
|
"r3", "r4", "r5", "r6", "r7", "r8", "r9" );
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#endif /* PPC32 */
|
|
|
|
|
#endif /* PPC64 */
|
|
|
|
|
|
|
|
|
|
#if defined(__sparc__)
|
|
|
|
|
|
|
|
|
|
#define MULADDC_INIT \
|
|
|
|
|
asm( "ld %0, %%o0 " :: "m" (s)); \
|
|
|
|
|
asm( "ld %0, %%o1 " :: "m" (d)); \
|
|
|
|
|
asm( "ld %0, %%o2 " :: "m" (c)); \
|
|
|
|
|
asm( "ld %0, %%o3 " :: "m" (b));
|
|
|
|
|
|
|
|
|
|
#define MULADDC_CORE \
|
|
|
|
|
asm( "ld [%o0], %o4 " ); \
|
|
|
|
|
asm( "inc 4, %o0 " ); \
|
|
|
|
|
asm( "ld [%o1], %o5 " ); \
|
|
|
|
|
asm( "umul %o3, %o4, %o4 " ); \
|
|
|
|
|
asm( "addcc %o4, %o2, %o4 " ); \
|
|
|
|
|
asm( "rd %y, %g1 " ); \
|
|
|
|
|
asm( "addx %g1, 0, %g1 " ); \
|
|
|
|
|
asm( "addcc %o4, %o5, %o4 " ); \
|
|
|
|
|
asm( "st %o4, [%o1] " ); \
|
|
|
|
|
asm( "addx %g1, 0, %o2 " ); \
|
|
|
|
|
asm( "inc 4, %o1 " );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_STOP \
|
|
|
|
|
asm( "st %%o2, %0 " : "=m" (c)); \
|
|
|
|
|
asm( "st %%o1, %0 " : "=m" (d)); \
|
|
|
|
|
asm( "st %%o0, %0 " : "=m" (s) :: \
|
|
|
|
|
"g1", "o0", "o1", "o2", "o3", "o4", "o5" );
|
|
|
|
|
|
|
|
|
|
#endif /* SPARCv8 */
|
|
|
|
|
|
|
|
|
|
#if defined(__microblaze__) || defined(microblaze)
|
|
|
|
|
|
|
|
|
|
#define MULADDC_INIT \
|
|
|
|
|
asm( "lwi r3, %0 " :: "m" (s)); \
|
|
|
|
|
asm( "lwi r4, %0 " :: "m" (d)); \
|
|
|
|
|
asm( "lwi r5, %0 " :: "m" (c)); \
|
|
|
|
|
asm( "lwi r6, %0 " :: "m" (b)); \
|
|
|
|
|
asm( "andi r7, r6, 0xffff" ); \
|
|
|
|
|
asm( "bsrli r6, r6, 16 " );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_CORE \
|
|
|
|
|
asm( "lhui r8, r3, 0 " ); \
|
|
|
|
|
asm( "addi r3, r3, 2 " ); \
|
|
|
|
|
asm( "lhui r9, r3, 0 " ); \
|
|
|
|
|
asm( "addi r3, r3, 2 " ); \
|
|
|
|
|
asm( "mul r10, r9, r6 " ); \
|
|
|
|
|
asm( "mul r11, r8, r7 " ); \
|
|
|
|
|
asm( "mul r12, r9, r7 " ); \
|
|
|
|
|
asm( "mul r13, r8, r6 " ); \
|
|
|
|
|
asm( "bsrli r8, r10, 16 " ); \
|
|
|
|
|
asm( "bsrli r9, r11, 16 " ); \
|
|
|
|
|
asm( "add r13, r13, r8 " ); \
|
|
|
|
|
asm( "add r13, r13, r9 " ); \
|
|
|
|
|
asm( "bslli r10, r10, 16 " ); \
|
|
|
|
|
asm( "bslli r11, r11, 16 " ); \
|
|
|
|
|
asm( "add r12, r12, r10 " ); \
|
|
|
|
|
asm( "addc r13, r13, r0 " ); \
|
|
|
|
|
asm( "add r12, r12, r11 " ); \
|
|
|
|
|
asm( "addc r13, r13, r0 " ); \
|
|
|
|
|
asm( "lwi r10, r4, 0 " ); \
|
|
|
|
|
asm( "add r12, r12, r10 " ); \
|
|
|
|
|
asm( "addc r13, r13, r0 " ); \
|
|
|
|
|
asm( "add r12, r12, r5 " ); \
|
|
|
|
|
asm( "addc r5, r13, r0 " ); \
|
|
|
|
|
asm( "swi r12, r4, 0 " ); \
|
|
|
|
|
asm( "addi r4, r4, 4 " );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_STOP \
|
|
|
|
|
asm( "swi r5, %0 " : "=m" (c)); \
|
|
|
|
|
asm( "swi r4, %0 " : "=m" (d)); \
|
|
|
|
|
asm( "swi r3, %0 " : "=m" (s) :: \
|
|
|
|
|
"r3", "r4" , "r5" , "r6" , "r7" , "r8" , \
|
|
|
|
|
"r9", "r10", "r11", "r12", "r13" );
|
|
|
|
|
|
|
|
|
|
#endif /* MicroBlaze */
|
|
|
|
|
|
|
|
|
|
#if defined(__tricore__)
|
|
|
|
|
|
|
|
|
|
#define MULADDC_INIT \
|
|
|
|
|
asm( "ld.a %%a2, %0 " :: "m" (s)); \
|
|
|
|
|
asm( "ld.a %%a3, %0 " :: "m" (d)); \
|
|
|
|
|
asm( "ld.w %%d4, %0 " :: "m" (c)); \
|
|
|
|
|
asm( "ld.w %%d1, %0 " :: "m" (b)); \
|
|
|
|
|
asm( "xor %d5, %d5 " );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_CORE \
|
|
|
|
|
asm( "ld.w %d0, [%a2+] " ); \
|
|
|
|
|
asm( "madd.u %e2, %e4, %d0, %d1 " ); \
|
|
|
|
|
asm( "ld.w %d0, [%a3] " ); \
|
|
|
|
|
asm( "addx %d2, %d2, %d0 " ); \
|
|
|
|
|
asm( "addc %d3, %d3, 0 " ); \
|
|
|
|
|
asm( "mov %d4, %d3 " ); \
|
|
|
|
|
asm( "st.w [%a3+], %d2 " );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_STOP \
|
|
|
|
|
asm( "st.w %0, %%d4 " : "=m" (c)); \
|
|
|
|
|
asm( "st.a %0, %%a3 " : "=m" (d)); \
|
|
|
|
|
asm( "st.a %0, %%a2 " : "=m" (s) :: \
|
|
|
|
|
"d0", "d1", "e2", "d4", "a2", "a3" );
|
|
|
|
|
|
|
|
|
|
#endif /* TriCore */
|
|
|
|
|
|
|
|
|
|
#if defined(__arm__)
|
|
|
|
|
|
|
|
|
|
#define MULADDC_INIT \
|
|
|
|
|
asm( "ldr r0, %0 " :: "m" (s)); \
|
|
|
|
|
asm( "ldr r1, %0 " :: "m" (d)); \
|
|
|
|
|
asm( "ldr r2, %0 " :: "m" (c)); \
|
|
|
|
|
asm( "ldr r3, %0 " :: "m" (b));
|
|
|
|
|
|
|
|
|
|
#define MULADDC_CORE \
|
|
|
|
|
asm( "ldr r4, [r0], #4 " ); \
|
|
|
|
|
asm( "mov r5, #0 " ); \
|
|
|
|
|
asm( "ldr r6, [r1] " ); \
|
|
|
|
|
asm( "umlal r2, r5, r3, r4 " ); \
|
|
|
|
|
asm( "adds r7, r6, r2 " ); \
|
|
|
|
|
asm( "adc r2, r5, #0 " ); \
|
|
|
|
|
asm( "str r7, [r1], #4 " );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_STOP \
|
|
|
|
|
asm( "str r2, %0 " : "=m" (c)); \
|
|
|
|
|
asm( "str r1, %0 " : "=m" (d)); \
|
|
|
|
|
asm( "str r0, %0 " : "=m" (s) :: \
|
|
|
|
|
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7" );
|
|
|
|
|
|
|
|
|
|
#endif /* ARMv3 */
|
|
|
|
|
|
|
|
|
|
#if defined(__alpha__)
|
|
|
|
|
|
|
|
|
|
#define MULADDC_INIT \
|
|
|
|
|
asm( "ldq $1, %0 " :: "m" (s)); \
|
|
|
|
|
asm( "ldq $2, %0 " :: "m" (d)); \
|
|
|
|
|
asm( "ldq $3, %0 " :: "m" (c)); \
|
|
|
|
|
asm( "ldq $4, %0 " :: "m" (b));
|
|
|
|
|
|
|
|
|
|
#define MULADDC_CORE \
|
|
|
|
|
asm( "ldq $6, 0($1) " ); \
|
|
|
|
|
asm( "addq $1, 8, $1 " ); \
|
|
|
|
|
asm( "mulq $6, $4, $7 " ); \
|
|
|
|
|
asm( "umulh $6, $4, $6 " ); \
|
|
|
|
|
asm( "addq $7, $3, $7 " ); \
|
|
|
|
|
asm( "cmpult $7, $3, $3 " ); \
|
|
|
|
|
asm( "ldq $5, 0($2) " ); \
|
|
|
|
|
asm( "addq $7, $5, $7 " ); \
|
|
|
|
|
asm( "cmpult $7, $5, $5 " ); \
|
|
|
|
|
asm( "stq $7, 0($2) " ); \
|
|
|
|
|
asm( "addq $2, 8, $2 " ); \
|
|
|
|
|
asm( "addq $6, $3, $3 " ); \
|
|
|
|
|
asm( "addq $5, $3, $3 " );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_STOP \
|
|
|
|
|
asm( "stq $3, %0 " : "=m" (c)); \
|
|
|
|
|
asm( "stq $2, %0 " : "=m" (d)); \
|
|
|
|
|
asm( "stq $1, %0 " : "=m" (s) :: \
|
|
|
|
|
"$1", "$2", "$3", "$4", "$5", "$6", "$7" );
|
|
|
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#endif /* Alpha */
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#if defined(__mips__)
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#define MULADDC_INIT \
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asm( "lw $10, %0 " :: "m" (s)); \
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asm( "lw $11, %0 " :: "m" (d)); \
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asm( "lw $12, %0 " :: "m" (c)); \
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asm( "lw $13, %0 " :: "m" (b));
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#define MULADDC_CORE \
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asm( "lw $14, 0($10) " ); \
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asm( "multu $13, $14 " ); \
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asm( "addi $10, $10, 4 " ); \
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asm( "mflo $14 " ); \
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asm( "mfhi $9 " ); \
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asm( "addu $14, $12, $14 " ); \
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asm( "lw $15, 0($11) " ); \
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asm( "sltu $12, $14, $12 " ); \
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asm( "addu $15, $14, $15 " ); \
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asm( "sltu $14, $15, $14 " ); \
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asm( "addu $12, $12, $9 " ); \
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asm( "sw $15, 0($11) " ); \
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asm( "addu $12, $12, $14 " ); \
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asm( "addi $11, $11, 4 " );
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#define MULADDC_STOP \
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asm( "sw $12, %0 " : "=m" (c)); \
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asm( "sw $11, %0 " : "=m" (d)); \
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asm( "sw $10, %0 " : "=m" (s) :: \
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"$9", "$10", "$11", "$12", "$13", "$14", "$15" );
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#endif /* MIPS */
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#endif /* GNUC */
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#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
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#define MULADDC_INIT \
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__asm mov esi, s \
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__asm mov edi, d \
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__asm mov ecx, c \
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__asm mov ebx, b
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|
#define MULADDC_CORE \
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__asm lodsd \
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__asm mul ebx \
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__asm add eax, ecx \
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__asm adc edx, 0 \
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|
__asm add eax, [edi] \
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__asm adc edx, 0 \
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__asm mov ecx, edx \
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|
__asm stosd
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|
|
2009-01-03 21:51:57 +00:00
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|
|
#if defined(POLARSSL_HAVE_SSE2)
|
2009-01-03 21:22:43 +00:00
|
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|
|
#define EMIT __asm _emit
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|
|
#define MULADDC_HUIT \
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|
EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
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EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
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EMIT 0x0F EMIT 0x6E EMIT 0x1F \
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EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
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|
EMIT 0x0F EMIT 0x6E EMIT 0x16 \
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EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
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|
EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
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|
EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
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|
EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
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|
EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
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|
EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
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|
EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
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|
EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
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|
EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
|
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|
EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
|
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|
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
|
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|
|
EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
|
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|
|
EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
|
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|
|
EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
|
|
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|
|
EMIT 0x0F EMIT 0x7E EMIT 0x0F \
|
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|
|
EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
|
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|
|
EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
|
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|
|
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
|
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|
|
EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
|
|
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|
|
EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
|
|
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|
|
EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
|
|
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|
|
EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
|
|
|
|
|
EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
|
|
|
|
|
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
|
|
|
|
|
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
|
|
|
|
EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
|
|
|
|
|
EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
|
|
|
|
|
EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
|
|
|
|
|
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
|
|
|
|
|
EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
|
|
|
|
|
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
|
|
|
|
|
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
|
|
|
|
EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
|
|
|
|
|
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
|
|
|
|
|
EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
|
|
|
|
|
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
|
|
|
|
|
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
|
|
|
|
EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
|
|
|
|
|
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
|
|
|
|
|
EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
|
|
|
|
|
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
|
|
|
|
|
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
|
|
|
|
EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
|
|
|
|
|
EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
|
|
|
|
|
EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
|
|
|
|
|
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
|
|
|
|
|
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
|
|
|
|
EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
|
|
|
|
|
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
|
|
|
|
|
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
|
|
|
|
EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
|
|
|
|
|
EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
|
|
|
|
|
EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
|
|
|
|
|
EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
|
|
|
|
|
EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
|
|
|
|
|
EMIT 0x0F EMIT 0x7E EMIT 0xC9
|
|
|
|
|
|
|
|
|
|
#define MULADDC_STOP \
|
|
|
|
|
EMIT 0x0F EMIT 0x77 \
|
|
|
|
|
__asm mov c, ecx \
|
|
|
|
|
__asm mov d, edi \
|
|
|
|
|
__asm mov s, esi \
|
|
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
|
|
|
|
|
#define MULADDC_STOP \
|
|
|
|
|
__asm mov c, ecx \
|
|
|
|
|
__asm mov d, edi \
|
|
|
|
|
__asm mov s, esi \
|
|
|
|
|
|
|
|
|
|
#endif /* SSE2 */
|
|
|
|
|
#endif /* MSVC */
|
|
|
|
|
|
2009-01-03 21:51:57 +00:00
|
|
|
#endif /* POLARSSL_HAVE_ASM */
|
2009-01-03 21:22:43 +00:00
|
|
|
|
|
|
|
|
#if !defined(MULADDC_CORE)
|
2009-01-03 21:51:57 +00:00
|
|
|
#if defined(POLARSSL_HAVE_LONGLONG)
|
2009-01-03 21:22:43 +00:00
|
|
|
|
|
|
|
|
#define MULADDC_INIT \
|
|
|
|
|
{ \
|
|
|
|
|
t_dbl r; \
|
|
|
|
|
t_int r0, r1;
|
|
|
|
|
|
|
|
|
|
#define MULADDC_CORE \
|
|
|
|
|
r = *(s++) * (t_dbl) b; \
|
|
|
|
|
r0 = r; \
|
|
|
|
|
r1 = r >> biL; \
|
|
|
|
|
r0 += c; r1 += (r0 < c); \
|
|
|
|
|
r0 += *d; r1 += (r0 < *d); \
|
|
|
|
|
c = r1; *(d++) = r0;
|
|
|
|
|
|
|
|
|
|
#define MULADDC_STOP \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
#define MULADDC_INIT \
|
|
|
|
|
{ \
|
|
|
|
|
t_int s0, s1, b0, b1; \
|
|
|
|
|
t_int r0, r1, rx, ry; \
|
|
|
|
|
b0 = ( b << biH ) >> biH; \
|
|
|
|
|
b1 = ( b >> biH );
|
|
|
|
|
|
|
|
|
|
#define MULADDC_CORE \
|
|
|
|
|
s0 = ( *s << biH ) >> biH; \
|
|
|
|
|
s1 = ( *s >> biH ); s++; \
|
|
|
|
|
rx = s0 * b1; r0 = s0 * b0; \
|
|
|
|
|
ry = s1 * b0; r1 = s1 * b1; \
|
|
|
|
|
r1 += ( rx >> biH ); \
|
|
|
|
|
r1 += ( ry >> biH ); \
|
|
|
|
|
rx <<= biH; ry <<= biH; \
|
|
|
|
|
r0 += rx; r1 += (r0 < rx); \
|
|
|
|
|
r0 += ry; r1 += (r0 < ry); \
|
|
|
|
|
r0 += c; r1 += (r0 < c); \
|
|
|
|
|
r0 += *d; r1 += (r0 < *d); \
|
|
|
|
|
c = r1; *(d++) = r0;
|
|
|
|
|
|
|
|
|
|
#define MULADDC_STOP \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif /* C (generic) */
|
|
|
|
|
#endif /* C (longlong) */
|
|
|
|
|
|
|
|
|
|
#endif /* bn_mul.h */
|
