| /** |
| * \file bn_mul.h |
| * |
| * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine |
| * |
| * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org> |
| * |
| * 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 "polarssl/config.h" |
| |
| #if defined(POLARSSL_HAVE_ASM) |
| |
| #if defined(__GNUC__) |
| #if defined(__i386__) |
| |
| #define MULADDC_INIT \ |
| asm( "movl %%ebx, %0 " : "=m" (t)); \ |
| asm( "movl %0, %%esi " :: "m" (s)); \ |
| asm( "movl %0, %%edi " :: "m" (d)); \ |
| asm( "movl %0, %%ecx " :: "m" (c)); \ |
| asm( "movl %0, %%ebx " :: "m" (b)); |
| |
| #define MULADDC_CORE \ |
| asm( "lodsl " ); \ |
| asm( "mull %ebx " ); \ |
| asm( "addl %ecx, %eax " ); \ |
| asm( "adcl $0, %edx " ); \ |
| asm( "addl (%edi), %eax " ); \ |
| asm( "adcl $0, %edx " ); \ |
| asm( "movl %edx, %ecx " ); \ |
| asm( "stosl " ); |
| |
| #if defined(POLARSSL_HAVE_SSE2) |
| |
| #define MULADDC_HUIT \ |
| asm( "movd %ecx, %mm1 " ); \ |
| asm( "movd %ebx, %mm0 " ); \ |
| asm( "movd (%edi), %mm3 " ); \ |
| asm( "paddq %mm3, %mm1 " ); \ |
| asm( "movd (%esi), %mm2 " ); \ |
| asm( "pmuludq %mm0, %mm2 " ); \ |
| asm( "movd 4(%esi), %mm4 " ); \ |
| asm( "pmuludq %mm0, %mm4 " ); \ |
| asm( "movd 8(%esi), %mm6 " ); \ |
| asm( "pmuludq %mm0, %mm6 " ); \ |
| asm( "movd 12(%esi), %mm7 " ); \ |
| asm( "pmuludq %mm0, %mm7 " ); \ |
| asm( "paddq %mm2, %mm1 " ); \ |
| asm( "movd 4(%edi), %mm3 " ); \ |
| asm( "paddq %mm4, %mm3 " ); \ |
| asm( "movd 8(%edi), %mm5 " ); \ |
| asm( "paddq %mm6, %mm5 " ); \ |
| asm( "movd 12(%edi), %mm4 " ); \ |
| asm( "paddq %mm4, %mm7 " ); \ |
| asm( "movd %mm1, (%edi) " ); \ |
| asm( "movd 16(%esi), %mm2 " ); \ |
| asm( "pmuludq %mm0, %mm2 " ); \ |
| asm( "psrlq $32, %mm1 " ); \ |
| asm( "movd 20(%esi), %mm4 " ); \ |
| asm( "pmuludq %mm0, %mm4 " ); \ |
| asm( "paddq %mm3, %mm1 " ); \ |
| asm( "movd 24(%esi), %mm6 " ); \ |
| asm( "pmuludq %mm0, %mm6 " ); \ |
| asm( "movd %mm1, 4(%edi) " ); \ |
| asm( "psrlq $32, %mm1 " ); \ |
| asm( "movd 28(%esi), %mm3 " ); \ |
| asm( "pmuludq %mm0, %mm3 " ); \ |
| asm( "paddq %mm5, %mm1 " ); \ |
| asm( "movd 16(%edi), %mm5 " ); \ |
| asm( "paddq %mm5, %mm2 " ); \ |
| asm( "movd %mm1, 8(%edi) " ); \ |
| asm( "psrlq $32, %mm1 " ); \ |
| asm( "paddq %mm7, %mm1 " ); \ |
| asm( "movd 20(%edi), %mm5 " ); \ |
| asm( "paddq %mm5, %mm4 " ); \ |
| asm( "movd %mm1, 12(%edi) " ); \ |
| asm( "psrlq $32, %mm1 " ); \ |
| asm( "paddq %mm2, %mm1 " ); \ |
| asm( "movd 24(%edi), %mm5 " ); \ |
| asm( "paddq %mm5, %mm6 " ); \ |
| asm( "movd %mm1, 16(%edi) " ); \ |
| asm( "psrlq $32, %mm1 " ); \ |
| asm( "paddq %mm4, %mm1 " ); \ |
| asm( "movd 28(%edi), %mm5 " ); \ |
| asm( "paddq %mm5, %mm3 " ); \ |
| asm( "movd %mm1, 20(%edi) " ); \ |
| asm( "psrlq $32, %mm1 " ); \ |
| asm( "paddq %mm6, %mm1 " ); \ |
| asm( "movd %mm1, 24(%edi) " ); \ |
| asm( "psrlq $32, %mm1 " ); \ |
| asm( "paddq %mm3, %mm1 " ); \ |
| asm( "movd %mm1, 28(%edi) " ); \ |
| asm( "addl $32, %edi " ); \ |
| asm( "addl $32, %esi " ); \ |
| asm( "psrlq $32, %mm1 " ); \ |
| asm( "movd %mm1, %ecx " ); |
| |
| #define MULADDC_STOP \ |
| asm( "emms " ); \ |
| asm( "movl %0, %%ebx " :: "m" (t)); \ |
| asm( "movl %%ecx, %0 " : "=m" (c)); \ |
| asm( "movl %%edi, %0 " : "=m" (d)); \ |
| asm( "movl %%esi, %0 " : "=m" (s) :: \ |
| "eax", "ecx", "edx", "esi", "edi" ); |
| |
| #else |
| |
| #define MULADDC_STOP \ |
| asm( "movl %0, %%ebx " :: "m" (t)); \ |
| asm( "movl %%ecx, %0 " : "=m" (c)); \ |
| asm( "movl %%edi, %0 " : "=m" (d)); \ |
| asm( "movl %%esi, %0 " : "=m" (s) :: \ |
| "eax", "ecx", "edx", "esi", "edi" ); |
| |
| #endif /* SSE2 */ |
| #endif /* i386 */ |
| |
| #if defined(__amd64__) || defined (__x86_64__) |
| |
| #define MULADDC_INIT \ |
| asm( "movq %0, %%rsi " :: "m" (s)); \ |
| asm( "movq %0, %%rdi " :: "m" (d)); \ |
| asm( "movq %0, %%rcx " :: "m" (c)); \ |
| asm( "movq %0, %%rbx " :: "m" (b)); \ |
| asm( "xorq %r8, %r8 " ); |
| |
| #define MULADDC_CORE \ |
| asm( "movq (%rsi),%rax " ); \ |
| asm( "mulq %rbx " ); \ |
| asm( "addq $8, %rsi " ); \ |
| asm( "addq %rcx, %rax " ); \ |
| asm( "movq %r8, %rcx " ); \ |
| asm( "adcq $0, %rdx " ); \ |
| asm( "nop " ); \ |
| asm( "addq %rax, (%rdi) " ); \ |
| asm( "adcq %rdx, %rcx " ); \ |
| asm( "addq $8, %rdi " ); |
| |
| #define MULADDC_STOP \ |
| asm( "movq %%rcx, %0 " : "=m" (c)); \ |
| asm( "movq %%rdi, %0 " : "=m" (d)); \ |
| asm( "movq %%rsi, %0 " : "=m" (s) :: \ |
| "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__) |
| |
| #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" ); |
| |
| #endif /* Alpha */ |
| |
| #if defined(__mips__) |
| |
| #define MULADDC_INIT \ |
| asm( "lw $10, %0 " :: "m" (s)); \ |
| asm( "lw $11, %0 " :: "m" (d)); \ |
| asm( "lw $12, %0 " :: "m" (c)); \ |
| asm( "lw $13, %0 " :: "m" (b)); |
| |
| #define MULADDC_CORE \ |
| asm( "lw $14, 0($10) " ); \ |
| asm( "multu $13, $14 " ); \ |
| asm( "addi $10, $10, 4 " ); \ |
| asm( "mflo $14 " ); \ |
| asm( "mfhi $9 " ); \ |
| asm( "addu $14, $12, $14 " ); \ |
| asm( "lw $15, 0($11) " ); \ |
| asm( "sltu $12, $14, $12 " ); \ |
| asm( "addu $15, $14, $15 " ); \ |
| asm( "sltu $14, $15, $14 " ); \ |
| asm( "addu $12, $12, $9 " ); \ |
| asm( "sw $15, 0($11) " ); \ |
| asm( "addu $12, $12, $14 " ); \ |
| asm( "addi $11, $11, 4 " ); |
| |
| #define MULADDC_STOP \ |
| asm( "sw $12, %0 " : "=m" (c)); \ |
| asm( "sw $11, %0 " : "=m" (d)); \ |
| asm( "sw $10, %0 " : "=m" (s) :: \ |
| "$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_LONGLONG) |
| |
| #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 */ |
