/** * \file bn_mul.h * * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine * * Copyright (C) 2009 Paul Bakker * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the names of PolarSSL or XySSL nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * 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 */