/** * \file bn_mul.h * * \brief Multi-precision integer library * * Copyright (C) 2006-2010, Brainspark B.V. * * This file is part of PolarSSL (http://www.polarssl.org) * Lead Maintainer: Paul Bakker * * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ /* * Multiply source vector [s] with b, add result * to destination vector [d] and set carry c. * * Currently supports: * * . IA-32 (386+) . AMD64 / EM64T * . IA-32 (SSE2) . Motorola 68000 * . PowerPC, 32-bit . MicroBlaze * . PowerPC, 64-bit . TriCore * . SPARC v8 . ARM v3+ * . Alpha . MIPS32 * . C, longlong . C, generic */ #ifndef POLARSSL_BN_MUL_H #define POLARSSL_BN_MUL_H #include "bignum.h" #if defined(POLARSSL_HAVE_ASM) #if defined(__GNUC__) #if defined(__i386__) #define MULADDC_INIT \ asm( " \ movl %%ebx, %0; \ movl %5, %%esi; \ movl %6, %%edi; \ movl %7, %%ecx; \ movl %8, %%ebx; \ " #define MULADDC_CORE \ " \ lodsl; \ mull %%ebx; \ addl %%ecx, %%eax; \ adcl $0, %%edx; \ addl (%%edi), %%eax; \ adcl $0, %%edx; \ movl %%edx, %%ecx; \ stosl; \ " #if defined(POLARSSL_HAVE_SSE2) #define MULADDC_HUIT \ " \ movd %%ecx, %%mm1; \ movd %%ebx, %%mm0; \ movd (%%edi), %%mm3; \ paddq %%mm3, %%mm1; \ movd (%%esi), %%mm2; \ pmuludq %%mm0, %%mm2; \ movd 4(%%esi), %%mm4; \ pmuludq %%mm0, %%mm4; \ movd 8(%%esi), %%mm6; \ pmuludq %%mm0, %%mm6; \ movd 12(%%esi), %%mm7; \ pmuludq %%mm0, %%mm7; \ paddq %%mm2, %%mm1; \ movd 4(%%edi), %%mm3; \ paddq %%mm4, %%mm3; \ movd 8(%%edi), %%mm5; \ paddq %%mm6, %%mm5; \ movd 12(%%edi), %%mm4; \ paddq %%mm4, %%mm7; \ movd %%mm1, (%%edi); \ movd 16(%%esi), %%mm2; \ pmuludq %%mm0, %%mm2; \ psrlq $32, %%mm1; \ movd 20(%%esi), %%mm4; \ pmuludq %%mm0, %%mm4; \ paddq %%mm3, %%mm1; \ movd 24(%%esi), %%mm6; \ pmuludq %%mm0, %%mm6; \ movd %%mm1, 4(%%edi); \ psrlq $32, %%mm1; \ movd 28(%%esi), %%mm3; \ pmuludq %%mm0, %%mm3; \ paddq %%mm5, %%mm1; \ movd 16(%%edi), %%mm5; \ paddq %%mm5, %%mm2; \ movd %%mm1, 8(%%edi); \ psrlq $32, %%mm1; \ paddq %%mm7, %%mm1; \ movd 20(%%edi), %%mm5; \ paddq %%mm5, %%mm4; \ movd %%mm1, 12(%%edi); \ psrlq $32, %%mm1; \ paddq %%mm2, %%mm1; \ movd 24(%%edi), %%mm5; \ paddq %%mm5, %%mm6; \ movd %%mm1, 16(%%edi); \ psrlq $32, %%mm1; \ paddq %%mm4, %%mm1; \ movd 28(%%edi), %%mm5; \ paddq %%mm5, %%mm3; \ movd %%mm1, 20(%%edi); \ psrlq $32, %%mm1; \ paddq %%mm6, %%mm1; \ movd %%mm1, 24(%%edi); \ psrlq $32, %%mm1; \ paddq %%mm3, %%mm1; \ movd %%mm1, 28(%%edi); \ addl $32, %%edi; \ addl $32, %%esi; \ psrlq $32, %%mm1; \ movd %%mm1, %%ecx; \ " #define MULADDC_STOP \ " \ emms; \ movl %4, %%ebx; \ movl %%ecx, %1; \ movl %%edi, %2; \ movl %%esi, %3; \ " \ : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \ : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \ : "eax", "ecx", "edx", "esi", "edi" \ ); #else #define MULADDC_STOP \ " \ movl %4, %%ebx; \ movl %%ecx, %1; \ movl %%edi, %2; \ movl %%esi, %3; \ " \ : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \ : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \ : "eax", "ecx", "edx", "esi", "edi" \ ); #endif /* SSE2 */ #endif /* i386 */ #if defined(__amd64__) || defined (__x86_64__) #define MULADDC_INIT \ asm( \ " \ movq %3, %%rsi; \ movq %4, %%rdi; \ movq %5, %%rcx; \ movq %6, %%rbx; \ xorq %%r8, %%r8; \ " #define MULADDC_CORE \ " \ movq (%%rsi), %%rax; \ mulq %%rbx; \ addq $8, %%rsi; \ addq %%rcx, %%rax; \ movq %%r8, %%rcx; \ adcq $0, %%rdx; \ nop; \ addq %%rax, (%%rdi); \ adcq %%rdx, %%rcx; \ addq $8, %%rdi; \ " #define MULADDC_STOP \ " \ movq %%rcx, %0; \ movq %%rdi, %1; \ movq %%rsi, %2; \ " \ : "=m" (c), "=m" (d), "=m" (s) \ : "m" (s), "m" (d), "m" (c), "m" (b) \ : "rax", "rcx", "rdx", "rbx", "rsi", "rdi", "r8" \ ); #endif /* AMD64 */ #if defined(__mc68020__) || defined(__mcpu32__) #define MULADDC_INIT \ asm( "movl %0, %%a2 " :: "m" (s)); \ asm( "movl %0, %%a3 " :: "m" (d)); \ asm( "movl %0, %%d3 " :: "m" (c)); \ asm( "movl %0, %%d2 " :: "m" (b)); \ asm( "moveq #0, %d0 " ); #define MULADDC_CORE \ asm( "movel %a2@+, %d1 " ); \ asm( "mulul %d2, %d4:%d1 " ); \ asm( "addl %d3, %d1 " ); \ asm( "addxl %d0, %d4 " ); \ asm( "moveq #0, %d3 " ); \ asm( "addl %d1, %a3@+ " ); \ asm( "addxl %d4, %d3 " ); #define MULADDC_STOP \ asm( "movl %%d3, %0 " : "=m" (c)); \ asm( "movl %%a3, %0 " : "=m" (d)); \ asm( "movl %%a2, %0 " : "=m" (s) :: \ "d0", "d1", "d2", "d3", "d4", "a2", "a3" ); #define MULADDC_HUIT \ asm( "movel %a2@+, %d1 " ); \ asm( "mulul %d2, %d4:%d1 " ); \ asm( "addxl %d3, %d1 " ); \ asm( "addxl %d0, %d4 " ); \ asm( "addl %d1, %a3@+ " ); \ asm( "movel %a2@+, %d1 " ); \ asm( "mulul %d2, %d3:%d1 " ); \ asm( "addxl %d4, %d1 " ); \ asm( "addxl %d0, %d3 " ); \ asm( "addl %d1, %a3@+ " ); \ asm( "movel %a2@+, %d1 " ); \ asm( "mulul %d2, %d4:%d1 " ); \ asm( "addxl %d3, %d1 " ); \ asm( "addxl %d0, %d4 " ); \ asm( "addl %d1, %a3@+ " ); \ asm( "movel %a2@+, %d1 " ); \ asm( "mulul %d2, %d3:%d1 " ); \ asm( "addxl %d4, %d1 " ); \ asm( "addxl %d0, %d3 " ); \ asm( "addl %d1, %a3@+ " ); \ asm( "movel %a2@+, %d1 " ); \ asm( "mulul %d2, %d4:%d1 " ); \ asm( "addxl %d3, %d1 " ); \ asm( "addxl %d0, %d4 " ); \ asm( "addl %d1, %a3@+ " ); \ asm( "movel %a2@+, %d1 " ); \ asm( "mulul %d2, %d3:%d1 " ); \ asm( "addxl %d4, %d1 " ); \ asm( "addxl %d0, %d3 " ); \ asm( "addl %d1, %a3@+ " ); \ asm( "movel %a2@+, %d1 " ); \ asm( "mulul %d2, %d4:%d1 " ); \ asm( "addxl %d3, %d1 " ); \ asm( "addxl %d0, %d4 " ); \ asm( "addl %d1, %a3@+ " ); \ asm( "movel %a2@+, %d1 " ); \ asm( "mulul %d2, %d3:%d1 " ); \ asm( "addxl %d4, %d1 " ); \ asm( "addxl %d0, %d3 " ); \ asm( "addl %d1, %a3@+ " ); \ asm( "addxl %d0, %d3 " ); #endif /* MC68000 */ #if defined(__powerpc__) || defined(__ppc__) #if defined(__powerpc64__) || defined(__ppc64__) #if defined(__MACH__) && defined(__APPLE__) #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" ); #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__) && defined(__sparc64__) #define MULADDC_INIT \ asm( \ " \ ldx %3, %%o0; \ ldx %4, %%o1; \ ld %5, %%o2; \ ld %6, %%o3; \ " #define MULADDC_CORE \ " \ ld [%%o0], %%o4; \ inc 4, %%o0; \ ld [%%o1], %%o5; \ umul %%o3, %%o4, %%o4; \ addcc %%o4, %%o2, %%o4; \ rd %%y, %%g1; \ addx %%g1, 0, %%g1; \ addcc %%o4, %%o5, %%o4; \ st %%o4, [%%o1]; \ addx %%g1, 0, %%o2; \ inc 4, %%o1; \ " #define MULADDC_STOP \ " \ st %%o2, %0; \ stx %%o1, %1; \ stx %%o0, %2; \ " \ : "=m" (c), "=m" (d), "=m" (s) \ : "m" (s), "m" (d), "m" (c), "m" (b) \ : "g1", "o0", "o1", "o2", "o3", "o4", \ "o5" \ ); #endif /* SPARCv9 */ #if defined(__sparc__) && !defined(__sparc64__) #define MULADDC_INIT \ asm( \ " \ ld %3, %%o0; \ ld %4, %%o1; \ ld %5, %%o2; \ ld %6, %%o3; \ " #define MULADDC_CORE \ " \ ld [%%o0], %%o4; \ inc 4, %%o0; \ ld [%%o1], %%o5; \ umul %%o3, %%o4, %%o4; \ addcc %%o4, %%o2, %%o4; \ rd %%y, %%g1; \ addx %%g1, 0, %%g1; \ addcc %%o4, %%o5, %%o4; \ st %%o4, [%%o1]; \ addx %%g1, 0, %%o2; \ inc 4, %%o1; \ " #define MULADDC_STOP \ " \ st %%o2, %0; \ st %%o1, %1; \ st %%o0, %2; \ " \ : "=m" (c), "=m" (d), "=m" (s) \ : "m" (s), "m" (d), "m" (c), "m" (b) \ : "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__) #if defined(__thumb__) && !defined(__thumb2__) #define MULADDC_INIT \ asm( \ " \ ldr r0, %3; \ ldr r1, %4; \ ldr r2, %5; \ ldr r3, %6; \ lsr r7, r3, #16; \ mov r9, r7; \ lsl r7, r3, #16; \ lsr r7, r7, #16; \ mov r8, r7; \ " #define MULADDC_CORE \ " \ ldmia r0!, {r6}; \ lsr r7, r6, #16; \ lsl r6, r6, #16; \ lsr r6, r6, #16; \ mov r4, r8; \ mul r4, r6; \ mov r3, r9; \ mul r6, r3; \ mov r5, r9; \ mul r5, r7; \ mov r3, r8; \ mul r7, r3; \ lsr r3, r6, #16; \ add r5, r5, r3; \ lsr r3, r7, #16; \ add r5, r5, r3; \ add r4, r4, r2; \ mov r2, #0; \ adc r5, r2; \ lsl r3, r6, #16; \ add r4, r4, r3; \ adc r5, r2; \ lsl r3, r7, #16; \ add r4, r4, r3; \ adc r5, r2; \ ldr r3, [r1]; \ add r4, r4, r3; \ adc r2, r5; \ stmia r1!, {r4}; \ " #define MULADDC_STOP \ " \ str r2, %0; \ str r1, %1; \ str r0, %2; \ " \ : "=m" (c), "=m" (d), "=m" (s) \ : "m" (s), "m" (d), "m" (c), "m" (b) \ : "r0", "r1", "r2", "r3", "r4", "r5", \ "r6", "r7", "r8", "r9", "cc" \ ); #else #define MULADDC_INIT \ asm( \ " \ ldr r0, %3; \ ldr r1, %4; \ ldr r2, %5; \ ldr r3, %6; \ " #define MULADDC_CORE \ " \ ldr r4, [r0], #4; \ mov r5, #0; \ ldr r6, [r1]; \ umlal r2, r5, r3, r4; \ adds r7, r6, r2; \ adc r2, r5, #0; \ str r7, [r1], #4; \ " #define MULADDC_STOP \ " \ str r2, %0; \ str r1, %1; \ str r0, %2; \ " \ : "=m" (c), "=m" (d), "=m" (s) \ : "m" (s), "m" (d), "m" (c), "m" (b) \ : "r0", "r1", "r2", "r3", "r4", "r5", \ "r6", "r7", "cc" \ ); #endif /* Thumb */ #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" ); #endif /* Alpha */ #if defined(__mips__) #define MULADDC_INIT \ asm( \ " \ lw $10, %3; \ lw $11, %4; \ lw $12, %5; \ lw $13, %6; \ " #define MULADDC_CORE \ " \ lw $14, 0($10); \ multu $13, $14; \ addi $10, $10, 4; \ mflo $14; \ mfhi $9; \ addu $14, $12, $14; \ lw $15, 0($11); \ sltu $12, $14, $12; \ addu $15, $14, $15; \ sltu $14, $15, $14; \ addu $12, $12, $9; \ sw $15, 0($11); \ addu $12, $12, $14; \ addi $11, $11, 4; \ " #define MULADDC_STOP \ " \ sw $12, %0; \ sw $11, %1; \ sw $10, %2; \ " \ : "=m" (c), "=m" (d), "=m" (s) \ : "m" (s), "m" (d), "m" (c), "m" (b) \ : "$9", "$10", "$11", "$12", "$13", "$14", "$15" \ ); #endif /* MIPS */ #endif /* GNUC */ #if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) #define MULADDC_INIT \ __asm mov esi, s \ __asm mov edi, d \ __asm mov ecx, c \ __asm mov ebx, b #define MULADDC_CORE \ __asm lodsd \ __asm mul ebx \ __asm add eax, ecx \ __asm adc edx, 0 \ __asm add eax, [edi] \ __asm adc edx, 0 \ __asm mov ecx, edx \ __asm stosd #if defined(POLARSSL_HAVE_SSE2) #define EMIT __asm _emit #define MULADDC_HUIT \ EMIT 0x0F EMIT 0x6E EMIT 0xC9 \ EMIT 0x0F EMIT 0x6E EMIT 0xC3 \ EMIT 0x0F EMIT 0x6E EMIT 0x1F \ EMIT 0x0F EMIT 0xD4 EMIT 0xCB \ EMIT 0x0F EMIT 0x6E EMIT 0x16 \ EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \ EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \ EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \ EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \ EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \ EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \ EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \ EMIT 0x0F EMIT 0xD4 EMIT 0xCA \ EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \ EMIT 0x0F EMIT 0xD4 EMIT 0xDC \ EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \ EMIT 0x0F EMIT 0xD4 EMIT 0xEE \ EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \ EMIT 0x0F EMIT 0xD4 EMIT 0xFC \ EMIT 0x0F EMIT 0x7E EMIT 0x0F \ EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \ EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \ EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \ EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \ EMIT 0x0F EMIT 0xD4 EMIT 0xCB \ 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 */ #endif /* POLARSSL_HAVE_ASM */ #if !defined(MULADDC_CORE) #if defined(POLARSSL_HAVE_UDBL) #define MULADDC_INIT \ { \ t_udbl r; \ t_uint r0, r1; #define MULADDC_CORE \ r = *(s++) * (t_udbl) 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_uint s0, s1, b0, b1; \ t_uint 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 */