| /* asm.c |
| * |
| * Copyright (C) 2006-2012 Sawtooth Consulting Ltd. |
| * |
| * This file is part of CyaSSL. |
| * |
| * CyaSSL 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. |
| * |
| * CyaSSL 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| /* |
| * Based on public domain TomsFastMath 0.10 by Tom St Denis, tomstdenis@iahu.ca, |
| * http://math.libtomcrypt.com |
| */ |
| |
| |
| /******************************************************************/ |
| /* fp_montgomery_reduce.c asm or generic */ |
| #if defined(TFM_X86) && !defined(TFM_SSE2) |
| /* x86-32 code */ |
| |
| #define MONT_START |
| #define MONT_FINI |
| #define LOOP_END |
| #define LOOP_START \ |
| mu = c[x] * mp |
| |
| #define INNERMUL \ |
| asm( \ |
| "movl %5,%%eax \n\t" \ |
| "mull %4 \n\t" \ |
| "addl %1,%%eax \n\t" \ |
| "adcl $0,%%edx \n\t" \ |
| "addl %%eax,%0 \n\t" \ |
| "adcl $0,%%edx \n\t" \ |
| "movl %%edx,%1 \n\t" \ |
| :"=g"(_c[LO]), "=r"(cy) \ |
| :"0"(_c[LO]), "1"(cy), "g"(mu), "g"(*tmpm++) \ |
| : "%eax", "%edx", "%cc") |
| |
| #define PROPCARRY \ |
| asm( \ |
| "addl %1,%0 \n\t" \ |
| "setb %%al \n\t" \ |
| "movzbl %%al,%1 \n\t" \ |
| :"=g"(_c[LO]), "=r"(cy) \ |
| :"0"(_c[LO]), "1"(cy) \ |
| : "%eax", "%cc") |
| |
| /******************************************************************/ |
| #elif defined(TFM_X86_64) |
| /* x86-64 code */ |
| |
| #define MONT_START |
| #define MONT_FINI |
| #define LOOP_END |
| #define LOOP_START \ |
| mu = c[x] * mp |
| |
| #define INNERMUL \ |
| asm( \ |
| "movq %5,%%rax \n\t" \ |
| "mulq %4 \n\t" \ |
| "addq %1,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "addq %%rax,%0 \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq %%rdx,%1 \n\t" \ |
| :"=g"(_c[LO]), "=r"(cy) \ |
| :"0"(_c[LO]), "1"(cy), "r"(mu), "r"(*tmpm++) \ |
| : "%rax", "%rdx", "%cc") |
| |
| #define INNERMUL8 \ |
| asm( \ |
| "movq 0(%5),%%rax \n\t" \ |
| "movq 0(%2),%%r10 \n\t" \ |
| "movq 0x8(%5),%%r11 \n\t" \ |
| "mulq %4 \n\t" \ |
| "addq %%r10,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq 0x8(%2),%%r10 \n\t" \ |
| "addq %3,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq %%rax,0(%0) \n\t" \ |
| "movq %%rdx,%1 \n\t" \ |
| \ |
| "movq %%r11,%%rax \n\t" \ |
| "movq 0x10(%5),%%r11 \n\t" \ |
| "mulq %4 \n\t" \ |
| "addq %%r10,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq 0x10(%2),%%r10 \n\t" \ |
| "addq %3,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq %%rax,0x8(%0) \n\t" \ |
| "movq %%rdx,%1 \n\t" \ |
| \ |
| "movq %%r11,%%rax \n\t" \ |
| "movq 0x18(%5),%%r11 \n\t" \ |
| "mulq %4 \n\t" \ |
| "addq %%r10,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq 0x18(%2),%%r10 \n\t" \ |
| "addq %3,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq %%rax,0x10(%0) \n\t" \ |
| "movq %%rdx,%1 \n\t" \ |
| \ |
| "movq %%r11,%%rax \n\t" \ |
| "movq 0x20(%5),%%r11 \n\t" \ |
| "mulq %4 \n\t" \ |
| "addq %%r10,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq 0x20(%2),%%r10 \n\t" \ |
| "addq %3,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq %%rax,0x18(%0) \n\t" \ |
| "movq %%rdx,%1 \n\t" \ |
| \ |
| "movq %%r11,%%rax \n\t" \ |
| "movq 0x28(%5),%%r11 \n\t" \ |
| "mulq %4 \n\t" \ |
| "addq %%r10,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq 0x28(%2),%%r10 \n\t" \ |
| "addq %3,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq %%rax,0x20(%0) \n\t" \ |
| "movq %%rdx,%1 \n\t" \ |
| \ |
| "movq %%r11,%%rax \n\t" \ |
| "movq 0x30(%5),%%r11 \n\t" \ |
| "mulq %4 \n\t" \ |
| "addq %%r10,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq 0x30(%2),%%r10 \n\t" \ |
| "addq %3,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq %%rax,0x28(%0) \n\t" \ |
| "movq %%rdx,%1 \n\t" \ |
| \ |
| "movq %%r11,%%rax \n\t" \ |
| "movq 0x38(%5),%%r11 \n\t" \ |
| "mulq %4 \n\t" \ |
| "addq %%r10,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq 0x38(%2),%%r10 \n\t" \ |
| "addq %3,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq %%rax,0x30(%0) \n\t" \ |
| "movq %%rdx,%1 \n\t" \ |
| \ |
| "movq %%r11,%%rax \n\t" \ |
| "mulq %4 \n\t" \ |
| "addq %%r10,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "addq %3,%%rax \n\t" \ |
| "adcq $0,%%rdx \n\t" \ |
| "movq %%rax,0x38(%0) \n\t" \ |
| "movq %%rdx,%1 \n\t" \ |
| \ |
| :"=r"(_c), "=r"(cy) \ |
| : "0"(_c), "1"(cy), "g"(mu), "r"(tmpm)\ |
| : "%rax", "%rdx", "%r10", "%r11", "%cc") |
| |
| |
| #define PROPCARRY \ |
| asm( \ |
| "addq %1,%0 \n\t" \ |
| "setb %%al \n\t" \ |
| "movzbq %%al,%1 \n\t" \ |
| :"=g"(_c[LO]), "=r"(cy) \ |
| :"0"(_c[LO]), "1"(cy) \ |
| : "%rax", "%cc") |
| |
| /******************************************************************/ |
| #elif defined(TFM_SSE2) |
| /* SSE2 code (assumes 32-bit fp_digits) */ |
| /* XMM register assignments: |
| * xmm0 *tmpm++, then Mu * (*tmpm++) |
| * xmm1 c[x], then Mu |
| * xmm2 mp |
| * xmm3 cy |
| * xmm4 _c[LO] |
| */ |
| |
| #define MONT_START \ |
| asm("movd %0,%%mm2"::"g"(mp)) |
| |
| #define MONT_FINI \ |
| asm("emms") |
| |
| #define LOOP_START \ |
| asm( \ |
| "movd %0,%%mm1 \n\t" \ |
| "pxor %%mm3,%%mm3 \n\t" \ |
| "pmuludq %%mm2,%%mm1 \n\t" \ |
| :: "g"(c[x])) |
| |
| /* pmuludq on mmx registers does a 32x32->64 multiply. */ |
| #define INNERMUL \ |
| asm( \ |
| "movd %1,%%mm4 \n\t" \ |
| "movd %2,%%mm0 \n\t" \ |
| "paddq %%mm4,%%mm3 \n\t" \ |
| "pmuludq %%mm1,%%mm0 \n\t" \ |
| "paddq %%mm0,%%mm3 \n\t" \ |
| "movd %%mm3,%0 \n\t" \ |
| "psrlq $32, %%mm3 \n\t" \ |
| :"=g"(_c[LO]) : "0"(_c[LO]), "g"(*tmpm++) ); |
| |
| #define INNERMUL8 \ |
| asm( \ |
| "movd 0(%1),%%mm4 \n\t" \ |
| "movd 0(%2),%%mm0 \n\t" \ |
| "paddq %%mm4,%%mm3 \n\t" \ |
| "pmuludq %%mm1,%%mm0 \n\t" \ |
| "movd 4(%2),%%mm5 \n\t" \ |
| "paddq %%mm0,%%mm3 \n\t" \ |
| "movd 4(%1),%%mm6 \n\t" \ |
| "movd %%mm3,0(%0) \n\t" \ |
| "psrlq $32, %%mm3 \n\t" \ |
| \ |
| "paddq %%mm6,%%mm3 \n\t" \ |
| "pmuludq %%mm1,%%mm5 \n\t" \ |
| "movd 8(%2),%%mm6 \n\t" \ |
| "paddq %%mm5,%%mm3 \n\t" \ |
| "movd 8(%1),%%mm7 \n\t" \ |
| "movd %%mm3,4(%0) \n\t" \ |
| "psrlq $32, %%mm3 \n\t" \ |
| \ |
| "paddq %%mm7,%%mm3 \n\t" \ |
| "pmuludq %%mm1,%%mm6 \n\t" \ |
| "movd 12(%2),%%mm7 \n\t" \ |
| "paddq %%mm6,%%mm3 \n\t" \ |
| "movd 12(%1),%%mm5 \n\t" \ |
| "movd %%mm3,8(%0) \n\t" \ |
| "psrlq $32, %%mm3 \n\t" \ |
| \ |
| "paddq %%mm5,%%mm3 \n\t" \ |
| "pmuludq %%mm1,%%mm7 \n\t" \ |
| "movd 16(%2),%%mm5 \n\t" \ |
| "paddq %%mm7,%%mm3 \n\t" \ |
| "movd 16(%1),%%mm6 \n\t" \ |
| "movd %%mm3,12(%0) \n\t" \ |
| "psrlq $32, %%mm3 \n\t" \ |
| \ |
| "paddq %%mm6,%%mm3 \n\t" \ |
| "pmuludq %%mm1,%%mm5 \n\t" \ |
| "movd 20(%2),%%mm6 \n\t" \ |
| "paddq %%mm5,%%mm3 \n\t" \ |
| "movd 20(%1),%%mm7 \n\t" \ |
| "movd %%mm3,16(%0) \n\t" \ |
| "psrlq $32, %%mm3 \n\t" \ |
| \ |
| "paddq %%mm7,%%mm3 \n\t" \ |
| "pmuludq %%mm1,%%mm6 \n\t" \ |
| "movd 24(%2),%%mm7 \n\t" \ |
| "paddq %%mm6,%%mm3 \n\t" \ |
| "movd 24(%1),%%mm5 \n\t" \ |
| "movd %%mm3,20(%0) \n\t" \ |
| "psrlq $32, %%mm3 \n\t" \ |
| \ |
| "paddq %%mm5,%%mm3 \n\t" \ |
| "pmuludq %%mm1,%%mm7 \n\t" \ |
| "movd 28(%2),%%mm5 \n\t" \ |
| "paddq %%mm7,%%mm3 \n\t" \ |
| "movd 28(%1),%%mm6 \n\t" \ |
| "movd %%mm3,24(%0) \n\t" \ |
| "psrlq $32, %%mm3 \n\t" \ |
| \ |
| "paddq %%mm6,%%mm3 \n\t" \ |
| "pmuludq %%mm1,%%mm5 \n\t" \ |
| "paddq %%mm5,%%mm3 \n\t" \ |
| "movd %%mm3,28(%0) \n\t" \ |
| "psrlq $32, %%mm3 \n\t" \ |
| :"=r"(_c) : "0"(_c), "r"(tmpm) ); |
| |
| /* TAO switched tmpm from "g" to "r" after gcc tried to index the indexed stack |
| pointer */ |
| |
| #define LOOP_END \ |
| asm( "movd %%mm3,%0 \n" :"=r"(cy)) |
| |
| #define PROPCARRY \ |
| asm( \ |
| "addl %1,%0 \n\t" \ |
| "setb %%al \n\t" \ |
| "movzbl %%al,%1 \n\t" \ |
| :"=g"(_c[LO]), "=r"(cy) \ |
| :"0"(_c[LO]), "1"(cy) \ |
| : "%eax", "%cc") |
| |
| /******************************************************************/ |
| #elif defined(TFM_ARM) |
| /* ARMv4 code */ |
| |
| #define MONT_START |
| #define MONT_FINI |
| #define LOOP_END |
| #define LOOP_START \ |
| mu = c[x] * mp |
| |
| #define INNERMUL \ |
| asm( \ |
| " LDR r0,%1 \n\t" \ |
| " ADDS r0,r0,%0 \n\t" \ |
| " MOVCS %0,#1 \n\t" \ |
| " MOVCC %0,#0 \n\t" \ |
| " UMLAL r0,%0,%3,%4 \n\t" \ |
| " STR r0,%1 \n\t" \ |
| :"=r"(cy),"=m"(_c[0]):"0"(cy),"r"(mu),"r"(*tmpm++),"1"(_c[0]):"r0","%cc"); |
| |
| #define PROPCARRY \ |
| asm( \ |
| " LDR r0,%1 \n\t" \ |
| " ADDS r0,r0,%0 \n\t" \ |
| " STR r0,%1 \n\t" \ |
| " MOVCS %0,#1 \n\t" \ |
| " MOVCC %0,#0 \n\t" \ |
| :"=r"(cy),"=m"(_c[0]):"0"(cy),"1"(_c[0]):"r0","%cc"); |
| |
| #elif defined(TFM_PPC32) |
| |
| /* PPC32 */ |
| #define MONT_START |
| #define MONT_FINI |
| #define LOOP_END |
| #define LOOP_START \ |
| mu = c[x] * mp |
| |
| #define INNERMUL \ |
| asm( \ |
| " mullw 16,%3,%4 \n\t" \ |
| " mulhwu 17,%3,%4 \n\t" \ |
| " addc 16,16,%0 \n\t" \ |
| " addze 17,17 \n\t" \ |
| " lwz 18,%1 \n\t" \ |
| " addc 16,16,18 \n\t" \ |
| " addze %0,17 \n\t" \ |
| " stw 16,%1 \n\t" \ |
| :"=r"(cy),"=m"(_c[0]):"0"(cy),"r"(mu),"r"(tmpm[0]),"1"(_c[0]):"16", "17", "18","%cc"); ++tmpm; |
| |
| #define PROPCARRY \ |
| asm( \ |
| " lwz 16,%1 \n\t" \ |
| " addc 16,16,%0 \n\t" \ |
| " stw 16,%1 \n\t" \ |
| " xor %0,%0,%0 \n\t" \ |
| " addze %0,%0 \n\t" \ |
| :"=r"(cy),"=m"(_c[0]):"0"(cy),"1"(_c[0]):"16","%cc"); |
| |
| #elif defined(TFM_PPC64) |
| |
| /* PPC64 */ |
| #define MONT_START |
| #define MONT_FINI |
| #define LOOP_END |
| #define LOOP_START \ |
| mu = c[x] * mp |
| |
| #define INNERMUL \ |
| asm( \ |
| " mulld 16,%3,%4 \n\t" \ |
| " mulhdu 17,%3,%4 \n\t" \ |
| " addc 16,16,%0 \n\t" \ |
| " addze 17,17 \n\t" \ |
| " ldx 18,0,%1 \n\t" \ |
| " addc 16,16,18 \n\t" \ |
| " addze %0,17 \n\t" \ |
| " sdx 16,0,%1 \n\t" \ |
| :"=r"(cy),"=m"(_c[0]):"0"(cy),"r"(mu),"r"(tmpm[0]),"1"(_c[0]):"16", "17", "18","%cc"); ++tmpm; |
| |
| #define PROPCARRY \ |
| asm( \ |
| " ldx 16,0,%1 \n\t" \ |
| " addc 16,16,%0 \n\t" \ |
| " sdx 16,0,%1 \n\t" \ |
| " xor %0,%0,%0 \n\t" \ |
| " addze %0,%0 \n\t" \ |
| :"=r"(cy),"=m"(_c[0]):"0"(cy),"1"(_c[0]):"16","%cc"); |
| |
| /******************************************************************/ |
| |
| #elif defined(TFM_AVR32) |
| |
| /* AVR32 */ |
| #define MONT_START |
| #define MONT_FINI |
| #define LOOP_END |
| #define LOOP_START \ |
| mu = c[x] * mp |
| |
| #define INNERMUL \ |
| asm( \ |
| " ld.w r2,%1 \n\t" \ |
| " add r2,%0 \n\t" \ |
| " eor r3,r3 \n\t" \ |
| " acr r3 \n\t" \ |
| " macu.d r2,%3,%4 \n\t" \ |
| " st.w %1,r2 \n\t" \ |
| " mov %0,r3 \n\t" \ |
| :"=r"(cy),"=r"(_c):"0"(cy),"r"(mu),"r"(*tmpm++),"1"(_c):"r2","r3"); |
| |
| #define PROPCARRY \ |
| asm( \ |
| " ld.w r2,%1 \n\t" \ |
| " add r2,%0 \n\t" \ |
| " st.w %1,r2 \n\t" \ |
| " eor %0,%0 \n\t" \ |
| " acr %0 \n\t" \ |
| :"=r"(cy),"=r"(&_c[0]):"0"(cy),"1"(&_c[0]):"r2","%cc"); |
| |
| #else |
| |
| /* ISO C code */ |
| #define MONT_START |
| #define MONT_FINI |
| #define LOOP_END |
| #define LOOP_START \ |
| mu = c[x] * mp |
| |
| #define INNERMUL \ |
| do { fp_word t; \ |
| _c[0] = t = ((fp_word)_c[0] + (fp_word)cy) + \ |
| (((fp_word)mu) * ((fp_word)*tmpm++)); \ |
| cy = (t >> DIGIT_BIT); \ |
| } while (0) |
| |
| #define PROPCARRY \ |
| do { fp_digit t = _c[0] += cy; cy = (t < cy); } while (0) |
| |
| #endif |
| /******************************************************************/ |
| |
| |
| #define LO 0 |
| /* end fp_montogomery_reduce.c asm */ |
| |
| |
| /* start fp_sqr_comba.c asm */ |
| #if defined(TFM_X86) |
| |
| /* x86-32 optimized */ |
| |
| #define COMBA_START |
| |
| #define CLEAR_CARRY \ |
| c0 = c1 = c2 = 0; |
| |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| #define CARRY_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| #define COMBA_FINI |
| |
| #define SQRADD(i, j) \ |
| asm( \ |
| "movl %6,%%eax \n\t" \ |
| "mull %%eax \n\t" \ |
| "addl %%eax,%0 \n\t" \ |
| "adcl %%edx,%1 \n\t" \ |
| "adcl $0,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "m"(i) :"%eax","%edx","%cc"); |
| |
| #define SQRADD2(i, j) \ |
| asm( \ |
| "movl %6,%%eax \n\t" \ |
| "mull %7 \n\t" \ |
| "addl %%eax,%0 \n\t" \ |
| "adcl %%edx,%1 \n\t" \ |
| "adcl $0,%2 \n\t" \ |
| "addl %%eax,%0 \n\t" \ |
| "adcl %%edx,%1 \n\t" \ |
| "adcl $0,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "m"(i), "m"(j) :"%eax","%edx", "%cc"); |
| |
| #define SQRADDSC(i, j) \ |
| asm( \ |
| "movl %3,%%eax \n\t" \ |
| "mull %4 \n\t" \ |
| "movl %%eax,%0 \n\t" \ |
| "movl %%edx,%1 \n\t" \ |
| "xorl %2,%2 \n\t" \ |
| :"=r"(sc0), "=r"(sc1), "=r"(sc2): "g"(i), "g"(j) :"%eax","%edx","%cc"); |
| |
| /* TAO removed sc0,1,2 as input to remove warning so %6,%7 become %3,%4 */ |
| |
| #define SQRADDAC(i, j) \ |
| asm( \ |
| "movl %6,%%eax \n\t" \ |
| "mull %7 \n\t" \ |
| "addl %%eax,%0 \n\t" \ |
| "adcl %%edx,%1 \n\t" \ |
| "adcl $0,%2 \n\t" \ |
| :"=r"(sc0), "=r"(sc1), "=r"(sc2): "0"(sc0), "1"(sc1), "2"(sc2), "g"(i), "g"(j) :"%eax","%edx","%cc"); |
| |
| #define SQRADDDB \ |
| asm( \ |
| "addl %6,%0 \n\t" \ |
| "adcl %7,%1 \n\t" \ |
| "adcl %8,%2 \n\t" \ |
| "addl %6,%0 \n\t" \ |
| "adcl %7,%1 \n\t" \ |
| "adcl %8,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2) : "0"(c0), "1"(c1), "2"(c2), "r"(sc0), "r"(sc1), "r"(sc2) : "%cc"); |
| |
| #elif defined(TFM_X86_64) |
| /* x86-64 optimized */ |
| |
| #define COMBA_START |
| |
| #define CLEAR_CARRY \ |
| c0 = c1 = c2 = 0; |
| |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| #define CARRY_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| #define COMBA_FINI |
| |
| #define SQRADD(i, j) \ |
| asm( \ |
| "movq %6,%%rax \n\t" \ |
| "mulq %%rax \n\t" \ |
| "addq %%rax,%0 \n\t" \ |
| "adcq %%rdx,%1 \n\t" \ |
| "adcq $0,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "g"(i) :"%rax","%rdx","%cc"); |
| |
| #define SQRADD2(i, j) \ |
| asm( \ |
| "movq %6,%%rax \n\t" \ |
| "mulq %7 \n\t" \ |
| "addq %%rax,%0 \n\t" \ |
| "adcq %%rdx,%1 \n\t" \ |
| "adcq $0,%2 \n\t" \ |
| "addq %%rax,%0 \n\t" \ |
| "adcq %%rdx,%1 \n\t" \ |
| "adcq $0,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "g"(i), "g"(j) :"%rax","%rdx","%cc"); |
| |
| #define SQRADDSC(i, j) \ |
| asm( \ |
| "movq %3,%%rax \n\t" \ |
| "mulq %4 \n\t" \ |
| "movq %%rax,%0 \n\t" \ |
| "movq %%rdx,%1 \n\t" \ |
| "xorq %2,%2 \n\t" \ |
| :"=r"(sc0), "=r"(sc1), "=r"(sc2): "g"(i), "g"(j) :"%rax","%rdx","%cc"); |
| |
| /* TAO removed sc0,1,2 as input to remove warning so %6,%7 become %3,%4 */ |
| |
| #define SQRADDAC(i, j) \ |
| asm( \ |
| "movq %6,%%rax \n\t" \ |
| "mulq %7 \n\t" \ |
| "addq %%rax,%0 \n\t" \ |
| "adcq %%rdx,%1 \n\t" \ |
| "adcq $0,%2 \n\t" \ |
| :"=r"(sc0), "=r"(sc1), "=r"(sc2): "0"(sc0), "1"(sc1), "2"(sc2), "g"(i), "g"(j) :"%rax","%rdx","%cc"); |
| |
| #define SQRADDDB \ |
| asm( \ |
| "addq %6,%0 \n\t" \ |
| "adcq %7,%1 \n\t" \ |
| "adcq %8,%2 \n\t" \ |
| "addq %6,%0 \n\t" \ |
| "adcq %7,%1 \n\t" \ |
| "adcq %8,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2) : "0"(c0), "1"(c1), "2"(c2), "r"(sc0), "r"(sc1), "r"(sc2) : "%cc"); |
| |
| #elif defined(TFM_SSE2) |
| |
| /* SSE2 Optimized */ |
| #define COMBA_START |
| |
| #define CLEAR_CARRY \ |
| c0 = c1 = c2 = 0; |
| |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| #define CARRY_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| #define COMBA_FINI \ |
| asm("emms"); |
| |
| #define SQRADD(i, j) \ |
| asm( \ |
| "movd %6,%%mm0 \n\t" \ |
| "pmuludq %%mm0,%%mm0\n\t" \ |
| "movd %%mm0,%%eax \n\t" \ |
| "psrlq $32,%%mm0 \n\t" \ |
| "addl %%eax,%0 \n\t" \ |
| "movd %%mm0,%%eax \n\t" \ |
| "adcl %%eax,%1 \n\t" \ |
| "adcl $0,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "m"(i) :"%eax","%cc"); |
| |
| #define SQRADD2(i, j) \ |
| asm( \ |
| "movd %6,%%mm0 \n\t" \ |
| "movd %7,%%mm1 \n\t" \ |
| "pmuludq %%mm1,%%mm0\n\t" \ |
| "movd %%mm0,%%eax \n\t" \ |
| "psrlq $32,%%mm0 \n\t" \ |
| "movd %%mm0,%%edx \n\t" \ |
| "addl %%eax,%0 \n\t" \ |
| "adcl %%edx,%1 \n\t" \ |
| "adcl $0,%2 \n\t" \ |
| "addl %%eax,%0 \n\t" \ |
| "adcl %%edx,%1 \n\t" \ |
| "adcl $0,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "m"(i), "m"(j) :"%eax","%edx","%cc"); |
| |
| #define SQRADDSC(i, j) \ |
| asm( \ |
| "movd %3,%%mm0 \n\t" \ |
| "movd %4,%%mm1 \n\t" \ |
| "pmuludq %%mm1,%%mm0\n\t" \ |
| "movd %%mm0,%0 \n\t" \ |
| "psrlq $32,%%mm0 \n\t" \ |
| "movd %%mm0,%1 \n\t" \ |
| "xorl %2,%2 \n\t" \ |
| :"=r"(sc0), "=r"(sc1), "=r"(sc2): "m"(i), "m"(j)); |
| |
| /* TAO removed sc0,1,2 as input to remove warning so %6,%7 become %3,%4 */ |
| |
| #define SQRADDAC(i, j) \ |
| asm( \ |
| "movd %6,%%mm0 \n\t" \ |
| "movd %7,%%mm1 \n\t" \ |
| "pmuludq %%mm1,%%mm0\n\t" \ |
| "movd %%mm0,%%eax \n\t" \ |
| "psrlq $32,%%mm0 \n\t" \ |
| "movd %%mm0,%%edx \n\t" \ |
| "addl %%eax,%0 \n\t" \ |
| "adcl %%edx,%1 \n\t" \ |
| "adcl $0,%2 \n\t" \ |
| :"=r"(sc0), "=r"(sc1), "=r"(sc2): "0"(sc0), "1"(sc1), "2"(sc2), "m"(i), "m"(j) :"%eax","%edx","%cc"); |
| |
| #define SQRADDDB \ |
| asm( \ |
| "addl %6,%0 \n\t" \ |
| "adcl %7,%1 \n\t" \ |
| "adcl %8,%2 \n\t" \ |
| "addl %6,%0 \n\t" \ |
| "adcl %7,%1 \n\t" \ |
| "adcl %8,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2) : "0"(c0), "1"(c1), "2"(c2), "r"(sc0), "r"(sc1), "r"(sc2) : "%cc"); |
| |
| #elif defined(TFM_ARM) |
| |
| /* ARM code */ |
| |
| #define COMBA_START |
| |
| #define CLEAR_CARRY \ |
| c0 = c1 = c2 = 0; |
| |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| #define CARRY_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| #define COMBA_FINI |
| |
| /* multiplies point i and j, updates carry "c1" and digit c2 */ |
| #define SQRADD(i, j) \ |
| asm( \ |
| " UMULL r0,r1,%6,%6 \n\t" \ |
| " ADDS %0,%0,r0 \n\t" \ |
| " ADCS %1,%1,r1 \n\t" \ |
| " ADC %2,%2,#0 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2) : "0"(c0), "1"(c1), "2"(c2), "r"(i) : "r0", "r1", "%cc"); |
| |
| /* for squaring some of the terms are doubled... */ |
| #define SQRADD2(i, j) \ |
| asm( \ |
| " UMULL r0,r1,%6,%7 \n\t" \ |
| " ADDS %0,%0,r0 \n\t" \ |
| " ADCS %1,%1,r1 \n\t" \ |
| " ADC %2,%2,#0 \n\t" \ |
| " ADDS %0,%0,r0 \n\t" \ |
| " ADCS %1,%1,r1 \n\t" \ |
| " ADC %2,%2,#0 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2) : "0"(c0), "1"(c1), "2"(c2), "r"(i), "r"(j) : "r0", "r1", "%cc"); |
| |
| #define SQRADDSC(i, j) \ |
| asm( \ |
| " UMULL %0,%1,%6,%7 \n\t" \ |
| " SUB %2,%2,%2 \n\t" \ |
| :"=r"(sc0), "=r"(sc1), "=r"(sc2) : "0"(sc0), "1"(sc1), "2"(sc2), "r"(i), "r"(j) : "%cc"); |
| |
| #define SQRADDAC(i, j) \ |
| asm( \ |
| " UMULL r0,r1,%6,%7 \n\t" \ |
| " ADDS %0,%0,r0 \n\t" \ |
| " ADCS %1,%1,r1 \n\t" \ |
| " ADC %2,%2,#0 \n\t" \ |
| :"=r"(sc0), "=r"(sc1), "=r"(sc2) : "0"(sc0), "1"(sc1), "2"(sc2), "r"(i), "r"(j) : "r0", "r1", "%cc"); |
| |
| #define SQRADDDB \ |
| asm( \ |
| " ADDS %0,%0,%3 \n\t" \ |
| " ADCS %1,%1,%4 \n\t" \ |
| " ADC %2,%2,%5 \n\t" \ |
| " ADDS %0,%0,%3 \n\t" \ |
| " ADCS %1,%1,%4 \n\t" \ |
| " ADC %2,%2,%5 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2) : "r"(sc0), "r"(sc1), "r"(sc2), "0"(c0), "1"(c1), "2"(c2) : "%cc"); |
| |
| #elif defined(TFM_PPC32) |
| |
| /* PPC32 */ |
| |
| #define COMBA_START |
| |
| #define CLEAR_CARRY \ |
| c0 = c1 = c2 = 0; |
| |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| #define CARRY_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| #define COMBA_FINI |
| |
| /* multiplies point i and j, updates carry "c1" and digit c2 */ |
| #define SQRADD(i, j) \ |
| asm( \ |
| " mullw 16,%6,%6 \n\t" \ |
| " addc %0,%0,16 \n\t" \ |
| " mulhwu 16,%6,%6 \n\t" \ |
| " adde %1,%1,16 \n\t" \ |
| " addze %2,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2):"0"(c0), "1"(c1), "2"(c2), "r"(i):"16","%cc"); |
| |
| /* for squaring some of the terms are doubled... */ |
| #define SQRADD2(i, j) \ |
| asm( \ |
| " mullw 16,%6,%7 \n\t" \ |
| " mulhwu 17,%6,%7 \n\t" \ |
| " addc %0,%0,16 \n\t" \ |
| " adde %1,%1,17 \n\t" \ |
| " addze %2,%2 \n\t" \ |
| " addc %0,%0,16 \n\t" \ |
| " adde %1,%1,17 \n\t" \ |
| " addze %2,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2):"0"(c0), "1"(c1), "2"(c2), "r"(i), "r"(j):"16", "17","%cc"); |
| |
| #define SQRADDSC(i, j) \ |
| asm( \ |
| " mullw %0,%6,%7 \n\t" \ |
| " mulhwu %1,%6,%7 \n\t" \ |
| " xor %2,%2,%2 \n\t" \ |
| :"=r"(sc0), "=r"(sc1), "=r"(sc2):"0"(sc0), "1"(sc1), "2"(sc2), "r"(i),"r"(j) : "%cc"); |
| |
| #define SQRADDAC(i, j) \ |
| asm( \ |
| " mullw 16,%6,%7 \n\t" \ |
| " addc %0,%0,16 \n\t" \ |
| " mulhwu 16,%6,%7 \n\t" \ |
| " adde %1,%1,16 \n\t" \ |
| " addze %2,%2 \n\t" \ |
| :"=r"(sc0), "=r"(sc1), "=r"(sc2):"0"(sc0), "1"(sc1), "2"(sc2), "r"(i), "r"(j):"16", "%cc"); |
| |
| #define SQRADDDB \ |
| asm( \ |
| " addc %0,%0,%3 \n\t" \ |
| " adde %1,%1,%4 \n\t" \ |
| " adde %2,%2,%5 \n\t" \ |
| " addc %0,%0,%3 \n\t" \ |
| " adde %1,%1,%4 \n\t" \ |
| " adde %2,%2,%5 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2) : "r"(sc0), "r"(sc1), "r"(sc2), "0"(c0), "1"(c1), "2"(c2) : "%cc"); |
| |
| #elif defined(TFM_PPC64) |
| /* PPC64 */ |
| |
| #define COMBA_START |
| |
| #define CLEAR_CARRY \ |
| c0 = c1 = c2 = 0; |
| |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| #define CARRY_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| #define COMBA_FINI |
| |
| /* multiplies point i and j, updates carry "c1" and digit c2 */ |
| #define SQRADD(i, j) \ |
| asm( \ |
| " mulld 16,%6,%6 \n\t" \ |
| " addc %0,%0,16 \n\t" \ |
| " mulhdu 16,%6,%6 \n\t" \ |
| " adde %1,%1,16 \n\t" \ |
| " addze %2,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2):"0"(c0), "1"(c1), "2"(c2), "r"(i):"16","%cc"); |
| |
| /* for squaring some of the terms are doubled... */ |
| #define SQRADD2(i, j) \ |
| asm( \ |
| " mulld 16,%6,%7 \n\t" \ |
| " mulhdu 17,%6,%7 \n\t" \ |
| " addc %0,%0,16 \n\t" \ |
| " adde %1,%1,17 \n\t" \ |
| " addze %2,%2 \n\t" \ |
| " addc %0,%0,16 \n\t" \ |
| " adde %1,%1,17 \n\t" \ |
| " addze %2,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2):"0"(c0), "1"(c1), "2"(c2), "r"(i), "r"(j):"16", "17","%cc"); |
| |
| #define SQRADDSC(i, j) \ |
| asm( \ |
| " mulld %0,%6,%7 \n\t" \ |
| " mulhdu %1,%6,%7 \n\t" \ |
| " xor %2,%2,%2 \n\t" \ |
| :"=r"(sc0), "=r"(sc1), "=r"(sc2):"0"(sc0), "1"(sc1), "2"(sc2), "r"(i),"r"(j) : "%cc"); |
| |
| #define SQRADDAC(i, j) \ |
| asm( \ |
| " mulld 16,%6,%7 \n\t" \ |
| " addc %0,%0,16 \n\t" \ |
| " mulhdu 16,%6,%7 \n\t" \ |
| " adde %1,%1,16 \n\t" \ |
| " addze %2,%2 \n\t" \ |
| :"=r"(sc0), "=r"(sc1), "=r"(sc2):"0"(sc0), "1"(sc1), "2"(sc2), "r"(i), "r"(j):"16", "%cc"); |
| |
| #define SQRADDDB \ |
| asm( \ |
| " addc %0,%0,%3 \n\t" \ |
| " adde %1,%1,%4 \n\t" \ |
| " adde %2,%2,%5 \n\t" \ |
| " addc %0,%0,%3 \n\t" \ |
| " adde %1,%1,%4 \n\t" \ |
| " adde %2,%2,%5 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2) : "r"(sc0), "r"(sc1), "r"(sc2), "0"(c0), "1"(c1), "2"(c2) : "%cc"); |
| |
| |
| #elif defined(TFM_AVR32) |
| |
| /* AVR32 */ |
| |
| #define COMBA_START |
| |
| #define CLEAR_CARRY \ |
| c0 = c1 = c2 = 0; |
| |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| #define CARRY_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| #define COMBA_FINI |
| |
| /* multiplies point i and j, updates carry "c1" and digit c2 */ |
| #define SQRADD(i, j) \ |
| asm( \ |
| " mulu.d r2,%6,%6 \n\t" \ |
| " add %0,%0,r2 \n\t" \ |
| " adc %1,%1,r3 \n\t" \ |
| " acr %2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2):"0"(c0), "1"(c1), "2"(c2), "r"(i):"r2","r3"); |
| |
| /* for squaring some of the terms are doubled... */ |
| #define SQRADD2(i, j) \ |
| asm( \ |
| " mulu.d r2,%6,%7 \n\t" \ |
| " add %0,%0,r2 \n\t" \ |
| " adc %1,%1,r3 \n\t" \ |
| " acr %2, \n\t" \ |
| " add %0,%0,r2 \n\t" \ |
| " adc %1,%1,r3 \n\t" \ |
| " acr %2, \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2):"0"(c0), "1"(c1), "2"(c2), "r"(i), "r"(j):"r2", "r3"); |
| |
| #define SQRADDSC(i, j) \ |
| asm( \ |
| " mulu.d r2,%6,%7 \n\t" \ |
| " mov %0,r2 \n\t" \ |
| " mov %1,r3 \n\t" \ |
| " eor %2,%2 \n\t" \ |
| :"=r"(sc0), "=r"(sc1), "=r"(sc2):"0"(sc0), "1"(sc1), "2"(sc2), "r"(i),"r"(j) : "r2", "r3"); |
| |
| #define SQRADDAC(i, j) \ |
| asm( \ |
| " mulu.d r2,%6,%7 \n\t" \ |
| " add %0,%0,r2 \n\t" \ |
| " adc %1,%1,r3 \n\t" \ |
| " acr %2 \n\t" \ |
| :"=r"(sc0), "=r"(sc1), "=r"(sc2):"0"(sc0), "1"(sc1), "2"(sc2), "r"(i), "r"(j):"r2", "r3"); |
| |
| #define SQRADDDB \ |
| asm( \ |
| " add %0,%0,%3 \n\t" \ |
| " adc %1,%1,%4 \n\t" \ |
| " adc %2,%2,%5 \n\t" \ |
| " add %0,%0,%3 \n\t" \ |
| " adc %1,%1,%4 \n\t" \ |
| " adc %2,%2,%5 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2) : "r"(sc0), "r"(sc1), "r"(sc2), "0"(c0), "1"(c1), "2"(c2) : "%cc"); |
| |
| |
| #else |
| |
| #define TFM_ISO |
| |
| /* ISO C portable code */ |
| |
| #define COMBA_START |
| |
| #define CLEAR_CARRY \ |
| c0 = c1 = c2 = 0; |
| |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| #define CARRY_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| #define COMBA_FINI |
| |
| /* multiplies point i and j, updates carry "c1" and digit c2 */ |
| #define SQRADD(i, j) \ |
| do { fp_word t; \ |
| t = c0 + ((fp_word)i) * ((fp_word)j); c0 = t; \ |
| t = c1 + (t >> DIGIT_BIT); c1 = t; c2 += t >> DIGIT_BIT; \ |
| } while (0); |
| |
| |
| /* for squaring some of the terms are doubled... */ |
| #define SQRADD2(i, j) \ |
| do { fp_word t; \ |
| t = ((fp_word)i) * ((fp_word)j); \ |
| tt = (fp_word)c0 + t; c0 = tt; \ |
| tt = (fp_word)c1 + (tt >> DIGIT_BIT); c1 = tt; c2 += tt >> DIGIT_BIT; \ |
| tt = (fp_word)c0 + t; c0 = tt; \ |
| tt = (fp_word)c1 + (tt >> DIGIT_BIT); c1 = tt; c2 += tt >> DIGIT_BIT; \ |
| } while (0); |
| |
| #define SQRADDSC(i, j) \ |
| do { fp_word t; \ |
| t = ((fp_word)i) * ((fp_word)j); \ |
| sc0 = (fp_digit)t; sc1 = (t >> DIGIT_BIT); sc2 = 0; \ |
| } while (0); |
| |
| #define SQRADDAC(i, j) \ |
| do { fp_word t; \ |
| t = sc0 + ((fp_word)i) * ((fp_word)j); sc0 = t; \ |
| t = sc1 + (t >> DIGIT_BIT); sc1 = t; sc2 += t >> DIGIT_BIT; \ |
| } while (0); |
| |
| #define SQRADDDB \ |
| do { fp_word t; \ |
| t = ((fp_word)sc0) + ((fp_word)sc0) + c0; c0 = t; \ |
| t = ((fp_word)sc1) + ((fp_word)sc1) + c1 + (t >> DIGIT_BIT); c1 = t; \ |
| c2 = c2 + ((fp_word)sc2) + ((fp_word)sc2) + (t >> DIGIT_BIT); \ |
| } while (0); |
| |
| #endif |
| |
| #ifdef TFM_SMALL_SET |
| #include "fp_sqr_comba_small_set.i" |
| #include "fp_sqr_comba_3.i" |
| #include "fp_sqr_comba_4.i" |
| #include "fp_sqr_comba_6.i" |
| #include "fp_sqr_comba_7.i" |
| #include "fp_sqr_comba_8.i" |
| #include "fp_sqr_comba_9.i" |
| #include "fp_sqr_comba_12.i" |
| #include "fp_sqr_comba_17.i" |
| #include "fp_sqr_comba_20.i" |
| #include "fp_sqr_comba_24.i" |
| #include "fp_sqr_comba_28.i" |
| #include "fp_sqr_comba_32.i" |
| #include "fp_sqr_comba_48.i" |
| #include "fp_sqr_comba_64.i" |
| #endif |
| /* end fp_sqr_comba.c asm */ |
| |
| /* start fp_mul_comba.c asm */ |
| /* these are the combas. Worship them. */ |
| #if defined(TFM_X86) |
| /* Generic x86 optimized code */ |
| |
| /* anything you need at the start */ |
| #define COMBA_START |
| |
| /* clear the chaining variables */ |
| #define COMBA_CLEAR \ |
| c0 = c1 = c2 = 0; |
| |
| /* forward the carry to the next digit */ |
| #define COMBA_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| /* store the first sum */ |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| /* store the second sum [carry] */ |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| /* anything you need at the end */ |
| #define COMBA_FINI |
| |
| /* this should multiply i and j */ |
| #define MULADD(i, j) \ |
| asm( \ |
| "movl %6,%%eax \n\t" \ |
| "mull %7 \n\t" \ |
| "addl %%eax,%0 \n\t" \ |
| "adcl %%edx,%1 \n\t" \ |
| "adcl $0,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "m"(i), "m"(j) :"%eax","%edx","%cc"); |
| |
| #elif defined(TFM_X86_64) |
| /* x86-64 optimized */ |
| |
| /* anything you need at the start */ |
| #define COMBA_START |
| |
| /* clear the chaining variables */ |
| #define COMBA_CLEAR \ |
| c0 = c1 = c2 = 0; |
| |
| /* forward the carry to the next digit */ |
| #define COMBA_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| /* store the first sum */ |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| /* store the second sum [carry] */ |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| /* anything you need at the end */ |
| #define COMBA_FINI |
| |
| /* this should multiply i and j */ |
| #define MULADD(i, j) \ |
| asm ( \ |
| "movq %6,%%rax \n\t" \ |
| "mulq %7 \n\t" \ |
| "addq %%rax,%0 \n\t" \ |
| "adcq %%rdx,%1 \n\t" \ |
| "adcq $0,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "g"(i), "g"(j) :"%rax","%rdx","%cc"); |
| |
| #elif defined(TFM_SSE2) |
| /* use SSE2 optimizations */ |
| |
| /* anything you need at the start */ |
| #define COMBA_START |
| |
| /* clear the chaining variables */ |
| #define COMBA_CLEAR \ |
| c0 = c1 = c2 = 0; |
| |
| /* forward the carry to the next digit */ |
| #define COMBA_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| /* store the first sum */ |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| /* store the second sum [carry] */ |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| /* anything you need at the end */ |
| #define COMBA_FINI \ |
| asm("emms"); |
| |
| /* this should multiply i and j */ |
| #define MULADD(i, j) \ |
| asm( \ |
| "movd %6,%%mm0 \n\t" \ |
| "movd %7,%%mm1 \n\t" \ |
| "pmuludq %%mm1,%%mm0\n\t" \ |
| "movd %%mm0,%%eax \n\t" \ |
| "psrlq $32,%%mm0 \n\t" \ |
| "addl %%eax,%0 \n\t" \ |
| "movd %%mm0,%%eax \n\t" \ |
| "adcl %%eax,%1 \n\t" \ |
| "adcl $0,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "m"(i), "m"(j) :"%eax","%cc"); |
| |
| #elif defined(TFM_ARM) |
| /* ARM code */ |
| |
| #define COMBA_START |
| |
| #define COMBA_CLEAR \ |
| c0 = c1 = c2 = 0; |
| |
| #define COMBA_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| #define COMBA_FINI |
| |
| #define MULADD(i, j) \ |
| asm( \ |
| " UMULL r0,r1,%6,%7 \n\t" \ |
| " ADDS %0,%0,r0 \n\t" \ |
| " ADCS %1,%1,r1 \n\t" \ |
| " ADC %2,%2,#0 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2) : "0"(c0), "1"(c1), "2"(c2), "r"(i), "r"(j) : "r0", "r1", "%cc"); |
| |
| #elif defined(TFM_PPC32) |
| /* For 32-bit PPC */ |
| |
| #define COMBA_START |
| |
| #define COMBA_CLEAR \ |
| c0 = c1 = c2 = 0; |
| |
| #define COMBA_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| #define COMBA_FINI |
| |
| /* untested: will mulhwu change the flags? Docs say no */ |
| #define MULADD(i, j) \ |
| asm( \ |
| " mullw 16,%6,%7 \n\t" \ |
| " addc %0,%0,16 \n\t" \ |
| " mulhwu 16,%6,%7 \n\t" \ |
| " adde %1,%1,16 \n\t" \ |
| " addze %2,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2):"0"(c0), "1"(c1), "2"(c2), "r"(i), "r"(j):"16"); |
| |
| #elif defined(TFM_PPC64) |
| /* For 64-bit PPC */ |
| |
| #define COMBA_START |
| |
| #define COMBA_CLEAR \ |
| c0 = c1 = c2 = 0; |
| |
| #define COMBA_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| #define COMBA_FINI |
| |
| /* untested: will mulhwu change the flags? Docs say no */ |
| #define MULADD(i, j) \ |
| asm( \ |
| " mulld 16,%6,%7 \n\t" \ |
| " addc %0,%0,16 \n\t" \ |
| " mulhdu 16,%6,%7 \n\t" \ |
| " adde %1,%1,16 \n\t" \ |
| " addze %2,%2 \n\t" \ |
| :"=r"(c0), "=r"(c1), "=r"(c2):"0"(c0), "1"(c1), "2"(c2), "r"(i), "r"(j):"16"); |
| |
| #elif defined(TFM_AVR32) |
| |
| /* ISO C code */ |
| |
| #define COMBA_START |
| |
| #define COMBA_CLEAR \ |
| c0 = c1 = c2 = 0; |
| |
| #define COMBA_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| #define COMBA_FINI |
| |
| #define MULADD(i, j) \ |
| asm( \ |
| " mulu.d r2,%6,%7 \n\t"\ |
| " add %0,r2 \n\t"\ |
| " adc %1,%1,r3 \n\t"\ |
| " acr %2 \n\t"\ |
| :"=r"(c0), "=r"(c1), "=r"(c2):"0"(c0), "1"(c1), "2"(c2), "r"(i), "r"(j):"r2","r3"); |
| |
| #else |
| /* ISO C code */ |
| |
| #define COMBA_START |
| |
| #define COMBA_CLEAR \ |
| c0 = c1 = c2 = 0; |
| |
| #define COMBA_FORWARD \ |
| do { c0 = c1; c1 = c2; c2 = 0; } while (0); |
| |
| #define COMBA_STORE(x) \ |
| x = c0; |
| |
| #define COMBA_STORE2(x) \ |
| x = c1; |
| |
| #define COMBA_FINI |
| |
| #define MULADD(i, j) \ |
| do { fp_word t; \ |
| t = (fp_word)c0 + ((fp_word)i) * ((fp_word)j); c0 = t; \ |
| t = (fp_word)c1 + (t >> DIGIT_BIT); c1 = t; c2 += t >> DIGIT_BIT; \ |
| } while (0); |
| |
| #endif |
| |
| |
| #ifdef TFM_SMALL_SET |
| #include "fp_mul_comba_small_set.i" |
| #include "fp_mul_comba_3.i" |
| #include "fp_mul_comba_4.i" |
| #include "fp_mul_comba_6.i" |
| #include "fp_mul_comba_7.i" |
| #include "fp_mul_comba_8.i" |
| #include "fp_mul_comba_9.i" |
| #include "fp_mul_comba_12.i" |
| #include "fp_mul_comba_17.i" |
| #include "fp_mul_comba_20.i" |
| #include "fp_mul_comba_24.i" |
| #include "fp_mul_comba_28.i" |
| #include "fp_mul_comba_32.i" |
| #include "fp_mul_comba_48.i" |
| #include "fp_mul_comba_64.i" |
| #endif |
| |
| /* end fp_mul_comba.c asm */ |
| |
