16a599222SSimon L. B. Nielsen #include "../bn_lcl.h" 21f13597dSJung-uk Kim #if !(defined(__GNUC__) && __GNUC__>=2) 3ed5d4f9aSSimon L. B. Nielsen # include "../bn_asm.c" /* kind of dirty hack for Sun Studio */ 4ed5d4f9aSSimon L. B. Nielsen #else 56f9291ceSJung-uk Kim /*- 65c87c606SMark Murray * x86_64 BIGNUM accelerator version 0.1, December 2002. 75c87c606SMark Murray * 85c87c606SMark Murray * Implemented by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL 95c87c606SMark Murray * project. 105c87c606SMark Murray * 115c87c606SMark Murray * Rights for redistribution and usage in source and binary forms are 125c87c606SMark Murray * granted according to the OpenSSL license. Warranty of any kind is 135c87c606SMark Murray * disclaimed. 145c87c606SMark Murray * 155c87c606SMark Murray * Q. Version 0.1? It doesn't sound like Andy, he used to assign real 165c87c606SMark Murray * versions, like 1.0... 175c87c606SMark Murray * A. Well, that's because this code is basically a quick-n-dirty 185c87c606SMark Murray * proof-of-concept hack. As you can see it's implemented with 195c87c606SMark Murray * inline assembler, which means that you're bound to GCC and that 203b4e3dcbSSimon L. B. Nielsen * there might be enough room for further improvement. 215c87c606SMark Murray * 225c87c606SMark Murray * Q. Why inline assembler? 233b4e3dcbSSimon L. B. Nielsen * A. x86_64 features own ABI which I'm not familiar with. This is 243b4e3dcbSSimon L. B. Nielsen * why I decided to let the compiler take care of subroutine 253b4e3dcbSSimon L. B. Nielsen * prologue/epilogue as well as register allocation. For reference. 263b4e3dcbSSimon L. B. Nielsen * Win64 implements different ABI for AMD64, different from Linux. 275c87c606SMark Murray * 285c87c606SMark Murray * Q. How much faster does it get? 293b4e3dcbSSimon L. B. Nielsen * A. 'apps/openssl speed rsa dsa' output with no-asm: 303b4e3dcbSSimon L. B. Nielsen * 313b4e3dcbSSimon L. B. Nielsen * sign verify sign/s verify/s 323b4e3dcbSSimon L. B. Nielsen * rsa 512 bits 0.0006s 0.0001s 1683.8 18456.2 333b4e3dcbSSimon L. B. Nielsen * rsa 1024 bits 0.0028s 0.0002s 356.0 6407.0 343b4e3dcbSSimon L. B. Nielsen * rsa 2048 bits 0.0172s 0.0005s 58.0 1957.8 353b4e3dcbSSimon L. B. Nielsen * rsa 4096 bits 0.1155s 0.0018s 8.7 555.6 363b4e3dcbSSimon L. B. Nielsen * sign verify sign/s verify/s 373b4e3dcbSSimon L. B. Nielsen * dsa 512 bits 0.0005s 0.0006s 2100.8 1768.3 383b4e3dcbSSimon L. B. Nielsen * dsa 1024 bits 0.0014s 0.0018s 692.3 559.2 393b4e3dcbSSimon L. B. Nielsen * dsa 2048 bits 0.0049s 0.0061s 204.7 165.0 403b4e3dcbSSimon L. B. Nielsen * 413b4e3dcbSSimon L. B. Nielsen * 'apps/openssl speed rsa dsa' output with this module: 423b4e3dcbSSimon L. B. Nielsen * 433b4e3dcbSSimon L. B. Nielsen * sign verify sign/s verify/s 443b4e3dcbSSimon L. B. Nielsen * rsa 512 bits 0.0004s 0.0000s 2767.1 33297.9 453b4e3dcbSSimon L. B. Nielsen * rsa 1024 bits 0.0012s 0.0001s 867.4 14674.7 463b4e3dcbSSimon L. B. Nielsen * rsa 2048 bits 0.0061s 0.0002s 164.0 5270.0 473b4e3dcbSSimon L. B. Nielsen * rsa 4096 bits 0.0384s 0.0006s 26.1 1650.8 483b4e3dcbSSimon L. B. Nielsen * sign verify sign/s verify/s 493b4e3dcbSSimon L. B. Nielsen * dsa 512 bits 0.0002s 0.0003s 4442.2 3786.3 503b4e3dcbSSimon L. B. Nielsen * dsa 1024 bits 0.0005s 0.0007s 1835.1 1497.4 513b4e3dcbSSimon L. B. Nielsen * dsa 2048 bits 0.0016s 0.0020s 620.4 504.6 523b4e3dcbSSimon L. B. Nielsen * 533b4e3dcbSSimon L. B. Nielsen * For the reference. IA-32 assembler implementation performs 543b4e3dcbSSimon L. B. Nielsen * very much like 64-bit code compiled with no-asm on the same 553b4e3dcbSSimon L. B. Nielsen * machine. 565c87c606SMark Murray */ 575c87c606SMark Murray 581f13597dSJung-uk Kim # ifdef _WIN64 591f13597dSJung-uk Kim # define BN_ULONG unsigned long long 601f13597dSJung-uk Kim # else 615c87c606SMark Murray # define BN_ULONG unsigned long 621f13597dSJung-uk Kim # endif 635c87c606SMark Murray 646a599222SSimon L. B. Nielsen # undef mul 656a599222SSimon L. B. Nielsen # undef mul_add 66ab8565e2SSimon L. B. Nielsen # undef sqr 676a599222SSimon L. B. Nielsen 686f9291ceSJung-uk Kim /*- 695c87c606SMark Murray * "m"(a), "+m"(r) is the way to favor DirectPath �-code; 705c87c606SMark Murray * "g"(0) let the compiler to decide where does it 715c87c606SMark Murray * want to keep the value of zero; 725c87c606SMark Murray */ 735c87c606SMark Murray # define mul_add(r,a,word,carry) do { \ 745c87c606SMark Murray register BN_ULONG high,low; \ 755c87c606SMark Murray asm ("mulq %3" \ 765c87c606SMark Murray : "=a"(low),"=d"(high) \ 775c87c606SMark Murray : "a"(word),"m"(a) \ 785c87c606SMark Murray : "cc"); \ 795c87c606SMark Murray asm ("addq %2,%0; adcq %3,%1" \ 805c87c606SMark Murray : "+r"(carry),"+d"(high)\ 815c87c606SMark Murray : "a"(low),"g"(0) \ 825c87c606SMark Murray : "cc"); \ 835c87c606SMark Murray asm ("addq %2,%0; adcq %3,%1" \ 845c87c606SMark Murray : "+m"(r),"+d"(high) \ 855c87c606SMark Murray : "r"(carry),"g"(0) \ 865c87c606SMark Murray : "cc"); \ 875c87c606SMark Murray carry=high; \ 885c87c606SMark Murray } while (0) 895c87c606SMark Murray 905c87c606SMark Murray # define mul(r,a,word,carry) do { \ 915c87c606SMark Murray register BN_ULONG high,low; \ 925c87c606SMark Murray asm ("mulq %3" \ 935c87c606SMark Murray : "=a"(low),"=d"(high) \ 945c87c606SMark Murray : "a"(word),"g"(a) \ 955c87c606SMark Murray : "cc"); \ 965c87c606SMark Murray asm ("addq %2,%0; adcq %3,%1" \ 975c87c606SMark Murray : "+r"(carry),"+d"(high)\ 985c87c606SMark Murray : "a"(low),"g"(0) \ 995c87c606SMark Murray : "cc"); \ 1005c87c606SMark Murray (r)=carry, carry=high; \ 1015c87c606SMark Murray } while (0) 1025c87c606SMark Murray 1035c87c606SMark Murray # define sqr(r0,r1,a) \ 1045c87c606SMark Murray asm ("mulq %2" \ 1055c87c606SMark Murray : "=a"(r0),"=d"(r1) \ 1065c87c606SMark Murray : "a"(a) \ 1075c87c606SMark Murray : "cc"); 1085c87c606SMark Murray 1096f9291ceSJung-uk Kim BN_ULONG bn_mul_add_words(BN_ULONG *rp, const BN_ULONG *ap, int num, 1106f9291ceSJung-uk Kim BN_ULONG w) 1115c87c606SMark Murray { 1125c87c606SMark Murray BN_ULONG c1 = 0; 1135c87c606SMark Murray 1146f9291ceSJung-uk Kim if (num <= 0) 1156f9291ceSJung-uk Kim return (c1); 1165c87c606SMark Murray 1176f9291ceSJung-uk Kim while (num & ~3) { 1185c87c606SMark Murray mul_add(rp[0], ap[0], w, c1); 1195c87c606SMark Murray mul_add(rp[1], ap[1], w, c1); 1205c87c606SMark Murray mul_add(rp[2], ap[2], w, c1); 1215c87c606SMark Murray mul_add(rp[3], ap[3], w, c1); 1226f9291ceSJung-uk Kim ap += 4; 1236f9291ceSJung-uk Kim rp += 4; 1246f9291ceSJung-uk Kim num -= 4; 1255c87c606SMark Murray } 1266f9291ceSJung-uk Kim if (num) { 1276f9291ceSJung-uk Kim mul_add(rp[0], ap[0], w, c1); 1286f9291ceSJung-uk Kim if (--num == 0) 1296f9291ceSJung-uk Kim return c1; 1306f9291ceSJung-uk Kim mul_add(rp[1], ap[1], w, c1); 1316f9291ceSJung-uk Kim if (--num == 0) 1326f9291ceSJung-uk Kim return c1; 1336f9291ceSJung-uk Kim mul_add(rp[2], ap[2], w, c1); 1346f9291ceSJung-uk Kim return c1; 1355c87c606SMark Murray } 1365c87c606SMark Murray 1375c87c606SMark Murray return (c1); 1385c87c606SMark Murray } 1395c87c606SMark Murray 1406a599222SSimon L. B. Nielsen BN_ULONG bn_mul_words(BN_ULONG *rp, const BN_ULONG *ap, int num, BN_ULONG w) 1415c87c606SMark Murray { 1425c87c606SMark Murray BN_ULONG c1 = 0; 1435c87c606SMark Murray 1446f9291ceSJung-uk Kim if (num <= 0) 1456f9291ceSJung-uk Kim return (c1); 1465c87c606SMark Murray 1476f9291ceSJung-uk Kim while (num & ~3) { 1485c87c606SMark Murray mul(rp[0], ap[0], w, c1); 1495c87c606SMark Murray mul(rp[1], ap[1], w, c1); 1505c87c606SMark Murray mul(rp[2], ap[2], w, c1); 1515c87c606SMark Murray mul(rp[3], ap[3], w, c1); 1526f9291ceSJung-uk Kim ap += 4; 1536f9291ceSJung-uk Kim rp += 4; 1546f9291ceSJung-uk Kim num -= 4; 1555c87c606SMark Murray } 1566f9291ceSJung-uk Kim if (num) { 1576f9291ceSJung-uk Kim mul(rp[0], ap[0], w, c1); 1586f9291ceSJung-uk Kim if (--num == 0) 1596f9291ceSJung-uk Kim return c1; 1606f9291ceSJung-uk Kim mul(rp[1], ap[1], w, c1); 1616f9291ceSJung-uk Kim if (--num == 0) 1626f9291ceSJung-uk Kim return c1; 1635c87c606SMark Murray mul(rp[2], ap[2], w, c1); 1645c87c606SMark Murray } 1655c87c606SMark Murray return (c1); 1665c87c606SMark Murray } 1675c87c606SMark Murray 1686a599222SSimon L. B. Nielsen void bn_sqr_words(BN_ULONG *r, const BN_ULONG *a, int n) 1695c87c606SMark Murray { 1706f9291ceSJung-uk Kim if (n <= 0) 1716f9291ceSJung-uk Kim return; 1725c87c606SMark Murray 1736f9291ceSJung-uk Kim while (n & ~3) { 1745c87c606SMark Murray sqr(r[0], r[1], a[0]); 1755c87c606SMark Murray sqr(r[2], r[3], a[1]); 1765c87c606SMark Murray sqr(r[4], r[5], a[2]); 1775c87c606SMark Murray sqr(r[6], r[7], a[3]); 1786f9291ceSJung-uk Kim a += 4; 1796f9291ceSJung-uk Kim r += 8; 1806f9291ceSJung-uk Kim n -= 4; 1815c87c606SMark Murray } 1826f9291ceSJung-uk Kim if (n) { 1836f9291ceSJung-uk Kim sqr(r[0], r[1], a[0]); 1846f9291ceSJung-uk Kim if (--n == 0) 1856f9291ceSJung-uk Kim return; 1866f9291ceSJung-uk Kim sqr(r[2], r[3], a[1]); 1876f9291ceSJung-uk Kim if (--n == 0) 1886f9291ceSJung-uk Kim return; 1895c87c606SMark Murray sqr(r[4], r[5], a[2]); 1905c87c606SMark Murray } 1915c87c606SMark Murray } 1925c87c606SMark Murray 1935c87c606SMark Murray BN_ULONG bn_div_words(BN_ULONG h, BN_ULONG l, BN_ULONG d) 1946f9291ceSJung-uk Kim { 1956f9291ceSJung-uk Kim BN_ULONG ret, waste; 1965c87c606SMark Murray 1976f9291ceSJung-uk Kim asm("divq %4":"=a"(ret), "=d"(waste) 1985c87c606SMark Murray : "a"(l), "d"(h), "g"(d) 1995c87c606SMark Murray : "cc"); 2005c87c606SMark Murray 2015c87c606SMark Murray return ret; 2025c87c606SMark Murray } 2035c87c606SMark Murray 2046f9291ceSJung-uk Kim BN_ULONG bn_add_words(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, 2056f9291ceSJung-uk Kim int n) 2066f9291ceSJung-uk Kim { 2076f9291ceSJung-uk Kim BN_ULONG ret = 0, i = 0; 2085c87c606SMark Murray 2096f9291ceSJung-uk Kim if (n <= 0) 2106f9291ceSJung-uk Kim return 0; 2115c87c606SMark Murray 2126f9291ceSJung-uk Kim asm volatile (" subq %2,%2 \n" 2131f13597dSJung-uk Kim ".p2align 4 \n" 2145c87c606SMark Murray "1: movq (%4,%2,8),%0 \n" 2155c87c606SMark Murray " adcq (%5,%2,8),%0 \n" 2165c87c606SMark Murray " movq %0,(%3,%2,8) \n" 2175c87c606SMark Murray " leaq 1(%2),%2 \n" 2185c87c606SMark Murray " loop 1b \n" 2196f9291ceSJung-uk Kim " sbbq %0,%0 \n":"=&a" (ret), "+c"(n), 2206f9291ceSJung-uk Kim "=&r"(i) 2215c87c606SMark Murray :"r"(rp), "r"(ap), "r"(bp) 2226f9291ceSJung-uk Kim :"cc", "memory"); 2235c87c606SMark Murray 2245c87c606SMark Murray return ret & 1; 2255c87c606SMark Murray } 2265c87c606SMark Murray 2275c87c606SMark Murray # ifndef SIMICS 2286f9291ceSJung-uk Kim BN_ULONG bn_sub_words(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, 2296f9291ceSJung-uk Kim int n) 2306f9291ceSJung-uk Kim { 2316f9291ceSJung-uk Kim BN_ULONG ret = 0, i = 0; 2325c87c606SMark Murray 2336f9291ceSJung-uk Kim if (n <= 0) 2346f9291ceSJung-uk Kim return 0; 2355c87c606SMark Murray 2366f9291ceSJung-uk Kim asm volatile (" subq %2,%2 \n" 2371f13597dSJung-uk Kim ".p2align 4 \n" 2385c87c606SMark Murray "1: movq (%4,%2,8),%0 \n" 2395c87c606SMark Murray " sbbq (%5,%2,8),%0 \n" 2405c87c606SMark Murray " movq %0,(%3,%2,8) \n" 2415c87c606SMark Murray " leaq 1(%2),%2 \n" 2425c87c606SMark Murray " loop 1b \n" 2436f9291ceSJung-uk Kim " sbbq %0,%0 \n":"=&a" (ret), "+c"(n), 2446f9291ceSJung-uk Kim "=&r"(i) 2455c87c606SMark Murray :"r"(rp), "r"(ap), "r"(bp) 2466f9291ceSJung-uk Kim :"cc", "memory"); 2475c87c606SMark Murray 2485c87c606SMark Murray return ret & 1; 2495c87c606SMark Murray } 2505c87c606SMark Murray # else 2515c87c606SMark Murray /* Simics 1.4<7 has buggy sbbq:-( */ 2525c87c606SMark Murray # define BN_MASK2 0xffffffffffffffffL 2535c87c606SMark Murray BN_ULONG bn_sub_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n) 2545c87c606SMark Murray { 2555c87c606SMark Murray BN_ULONG t1, t2; 2565c87c606SMark Murray int c = 0; 2575c87c606SMark Murray 2586f9291ceSJung-uk Kim if (n <= 0) 2596f9291ceSJung-uk Kim return ((BN_ULONG)0); 2605c87c606SMark Murray 2616f9291ceSJung-uk Kim for (;;) { 2626f9291ceSJung-uk Kim t1 = a[0]; 2636f9291ceSJung-uk Kim t2 = b[0]; 2645c87c606SMark Murray r[0] = (t1 - t2 - c) & BN_MASK2; 2656f9291ceSJung-uk Kim if (t1 != t2) 2666f9291ceSJung-uk Kim c = (t1 < t2); 2676f9291ceSJung-uk Kim if (--n <= 0) 2686f9291ceSJung-uk Kim break; 2695c87c606SMark Murray 2706f9291ceSJung-uk Kim t1 = a[1]; 2716f9291ceSJung-uk Kim t2 = b[1]; 2725c87c606SMark Murray r[1] = (t1 - t2 - c) & BN_MASK2; 2736f9291ceSJung-uk Kim if (t1 != t2) 2746f9291ceSJung-uk Kim c = (t1 < t2); 2756f9291ceSJung-uk Kim if (--n <= 0) 2766f9291ceSJung-uk Kim break; 2775c87c606SMark Murray 2786f9291ceSJung-uk Kim t1 = a[2]; 2796f9291ceSJung-uk Kim t2 = b[2]; 2805c87c606SMark Murray r[2] = (t1 - t2 - c) & BN_MASK2; 2816f9291ceSJung-uk Kim if (t1 != t2) 2826f9291ceSJung-uk Kim c = (t1 < t2); 2836f9291ceSJung-uk Kim if (--n <= 0) 2846f9291ceSJung-uk Kim break; 2855c87c606SMark Murray 2866f9291ceSJung-uk Kim t1 = a[3]; 2876f9291ceSJung-uk Kim t2 = b[3]; 2885c87c606SMark Murray r[3] = (t1 - t2 - c) & BN_MASK2; 2896f9291ceSJung-uk Kim if (t1 != t2) 2906f9291ceSJung-uk Kim c = (t1 < t2); 2916f9291ceSJung-uk Kim if (--n <= 0) 2926f9291ceSJung-uk Kim break; 2935c87c606SMark Murray 2945c87c606SMark Murray a += 4; 2955c87c606SMark Murray b += 4; 2965c87c606SMark Murray r += 4; 2975c87c606SMark Murray } 2985c87c606SMark Murray return (c); 2995c87c606SMark Murray } 3005c87c606SMark Murray # endif 3015c87c606SMark Murray 3025c87c606SMark Murray /* mul_add_c(a,b,c0,c1,c2) -- c+=a*b for three word number c=(c2,c1,c0) */ 3035c87c606SMark Murray /* mul_add_c2(a,b,c0,c1,c2) -- c+=2*a*b for three word number c=(c2,c1,c0) */ 3045c87c606SMark Murray /* sqr_add_c(a,i,c0,c1,c2) -- c+=a[i]^2 for three word number c=(c2,c1,c0) */ 3056f9291ceSJung-uk Kim /* 3066f9291ceSJung-uk Kim * sqr_add_c2(a,i,c0,c1,c2) -- c+=2*a[i]*a[j] for three word number 3076f9291ceSJung-uk Kim * c=(c2,c1,c0) 3086f9291ceSJung-uk Kim */ 3095c87c606SMark Murray 310751d2991SJung-uk Kim /* 311751d2991SJung-uk Kim * Keep in mind that carrying into high part of multiplication result 312751d2991SJung-uk Kim * can not overflow, because it cannot be all-ones. 313751d2991SJung-uk Kim */ 3145c87c606SMark Murray # if 0 3155c87c606SMark Murray /* original macros are kept for reference purposes */ 3165c87c606SMark Murray # define mul_add_c(a,b,c0,c1,c2) { \ 3175c87c606SMark Murray BN_ULONG ta=(a),tb=(b); \ 3185c87c606SMark Murray t1 = ta * tb; \ 3195c87c606SMark Murray t2 = BN_UMULT_HIGH(ta,tb); \ 3205c87c606SMark Murray c0 += t1; t2 += (c0<t1)?1:0; \ 3215c87c606SMark Murray c1 += t2; c2 += (c1<t2)?1:0; \ 3225c87c606SMark Murray } 3235c87c606SMark Murray 3245c87c606SMark Murray # define mul_add_c2(a,b,c0,c1,c2) { \ 3255c87c606SMark Murray BN_ULONG ta=(a),tb=(b),t0; \ 3265c87c606SMark Murray t1 = BN_UMULT_HIGH(ta,tb); \ 3275c87c606SMark Murray t0 = ta * tb; \ 328751d2991SJung-uk Kim c0 += t0; t2 = t1+((c0<t0)?1:0);\ 3295c87c606SMark Murray c1 += t2; c2 += (c1<t2)?1:0; \ 330751d2991SJung-uk Kim c0 += t0; t1 += (c0<t0)?1:0; \ 331751d2991SJung-uk Kim c1 += t1; c2 += (c1<t1)?1:0; \ 3325c87c606SMark Murray } 3335c87c606SMark Murray # else 3345c87c606SMark Murray # define mul_add_c(a,b,c0,c1,c2) do { \ 3355c87c606SMark Murray asm ("mulq %3" \ 3365c87c606SMark Murray : "=a"(t1),"=d"(t2) \ 3375c87c606SMark Murray : "a"(a),"m"(b) \ 3385c87c606SMark Murray : "cc"); \ 3395c87c606SMark Murray asm ("addq %2,%0; adcq %3,%1" \ 3405c87c606SMark Murray : "+r"(c0),"+d"(t2) \ 3415c87c606SMark Murray : "a"(t1),"g"(0) \ 3425c87c606SMark Murray : "cc"); \ 3435c87c606SMark Murray asm ("addq %2,%0; adcq %3,%1" \ 3445c87c606SMark Murray : "+r"(c1),"+r"(c2) \ 3455c87c606SMark Murray : "d"(t2),"g"(0) \ 3465c87c606SMark Murray : "cc"); \ 3475c87c606SMark Murray } while (0) 3485c87c606SMark Murray 3495c87c606SMark Murray # define sqr_add_c(a,i,c0,c1,c2) do { \ 3505c87c606SMark Murray asm ("mulq %2" \ 3515c87c606SMark Murray : "=a"(t1),"=d"(t2) \ 3525c87c606SMark Murray : "a"(a[i]) \ 3535c87c606SMark Murray : "cc"); \ 3545c87c606SMark Murray asm ("addq %2,%0; adcq %3,%1" \ 3555c87c606SMark Murray : "+r"(c0),"+d"(t2) \ 3565c87c606SMark Murray : "a"(t1),"g"(0) \ 3575c87c606SMark Murray : "cc"); \ 3585c87c606SMark Murray asm ("addq %2,%0; adcq %3,%1" \ 3595c87c606SMark Murray : "+r"(c1),"+r"(c2) \ 3605c87c606SMark Murray : "d"(t2),"g"(0) \ 3615c87c606SMark Murray : "cc"); \ 3625c87c606SMark Murray } while (0) 3635c87c606SMark Murray 3645c87c606SMark Murray # define mul_add_c2(a,b,c0,c1,c2) do { \ 3655c87c606SMark Murray asm ("mulq %3" \ 3665c87c606SMark Murray : "=a"(t1),"=d"(t2) \ 3675c87c606SMark Murray : "a"(a),"m"(b) \ 3685c87c606SMark Murray : "cc"); \ 369751d2991SJung-uk Kim asm ("addq %3,%0; adcq %4,%1; adcq %5,%2" \ 370751d2991SJung-uk Kim : "+r"(c0),"+r"(c1),"+r"(c2) \ 371751d2991SJung-uk Kim : "r"(t1),"r"(t2),"g"(0) \ 3725c87c606SMark Murray : "cc"); \ 373751d2991SJung-uk Kim asm ("addq %3,%0; adcq %4,%1; adcq %5,%2" \ 374751d2991SJung-uk Kim : "+r"(c0),"+r"(c1),"+r"(c2) \ 375751d2991SJung-uk Kim : "r"(t1),"r"(t2),"g"(0) \ 3765c87c606SMark Murray : "cc"); \ 3775c87c606SMark Murray } while (0) 3785c87c606SMark Murray # endif 3795c87c606SMark Murray 3805c87c606SMark Murray # define sqr_add_c2(a,i,j,c0,c1,c2) \ 3815c87c606SMark Murray mul_add_c2((a)[i],(a)[j],c0,c1,c2) 3825c87c606SMark Murray 3835c87c606SMark Murray void bn_mul_comba8(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b) 3845c87c606SMark Murray { 3855c87c606SMark Murray BN_ULONG t1, t2; 3865c87c606SMark Murray BN_ULONG c1, c2, c3; 3875c87c606SMark Murray 3885c87c606SMark Murray c1 = 0; 3895c87c606SMark Murray c2 = 0; 3905c87c606SMark Murray c3 = 0; 3915c87c606SMark Murray mul_add_c(a[0], b[0], c1, c2, c3); 3925c87c606SMark Murray r[0] = c1; 3935c87c606SMark Murray c1 = 0; 3945c87c606SMark Murray mul_add_c(a[0], b[1], c2, c3, c1); 3955c87c606SMark Murray mul_add_c(a[1], b[0], c2, c3, c1); 3965c87c606SMark Murray r[1] = c2; 3975c87c606SMark Murray c2 = 0; 3985c87c606SMark Murray mul_add_c(a[2], b[0], c3, c1, c2); 3995c87c606SMark Murray mul_add_c(a[1], b[1], c3, c1, c2); 4005c87c606SMark Murray mul_add_c(a[0], b[2], c3, c1, c2); 4015c87c606SMark Murray r[2] = c3; 4025c87c606SMark Murray c3 = 0; 4035c87c606SMark Murray mul_add_c(a[0], b[3], c1, c2, c3); 4045c87c606SMark Murray mul_add_c(a[1], b[2], c1, c2, c3); 4055c87c606SMark Murray mul_add_c(a[2], b[1], c1, c2, c3); 4065c87c606SMark Murray mul_add_c(a[3], b[0], c1, c2, c3); 4075c87c606SMark Murray r[3] = c1; 4085c87c606SMark Murray c1 = 0; 4095c87c606SMark Murray mul_add_c(a[4], b[0], c2, c3, c1); 4105c87c606SMark Murray mul_add_c(a[3], b[1], c2, c3, c1); 4115c87c606SMark Murray mul_add_c(a[2], b[2], c2, c3, c1); 4125c87c606SMark Murray mul_add_c(a[1], b[3], c2, c3, c1); 4135c87c606SMark Murray mul_add_c(a[0], b[4], c2, c3, c1); 4145c87c606SMark Murray r[4] = c2; 4155c87c606SMark Murray c2 = 0; 4165c87c606SMark Murray mul_add_c(a[0], b[5], c3, c1, c2); 4175c87c606SMark Murray mul_add_c(a[1], b[4], c3, c1, c2); 4185c87c606SMark Murray mul_add_c(a[2], b[3], c3, c1, c2); 4195c87c606SMark Murray mul_add_c(a[3], b[2], c3, c1, c2); 4205c87c606SMark Murray mul_add_c(a[4], b[1], c3, c1, c2); 4215c87c606SMark Murray mul_add_c(a[5], b[0], c3, c1, c2); 4225c87c606SMark Murray r[5] = c3; 4235c87c606SMark Murray c3 = 0; 4245c87c606SMark Murray mul_add_c(a[6], b[0], c1, c2, c3); 4255c87c606SMark Murray mul_add_c(a[5], b[1], c1, c2, c3); 4265c87c606SMark Murray mul_add_c(a[4], b[2], c1, c2, c3); 4275c87c606SMark Murray mul_add_c(a[3], b[3], c1, c2, c3); 4285c87c606SMark Murray mul_add_c(a[2], b[4], c1, c2, c3); 4295c87c606SMark Murray mul_add_c(a[1], b[5], c1, c2, c3); 4305c87c606SMark Murray mul_add_c(a[0], b[6], c1, c2, c3); 4315c87c606SMark Murray r[6] = c1; 4325c87c606SMark Murray c1 = 0; 4335c87c606SMark Murray mul_add_c(a[0], b[7], c2, c3, c1); 4345c87c606SMark Murray mul_add_c(a[1], b[6], c2, c3, c1); 4355c87c606SMark Murray mul_add_c(a[2], b[5], c2, c3, c1); 4365c87c606SMark Murray mul_add_c(a[3], b[4], c2, c3, c1); 4375c87c606SMark Murray mul_add_c(a[4], b[3], c2, c3, c1); 4385c87c606SMark Murray mul_add_c(a[5], b[2], c2, c3, c1); 4395c87c606SMark Murray mul_add_c(a[6], b[1], c2, c3, c1); 4405c87c606SMark Murray mul_add_c(a[7], b[0], c2, c3, c1); 4415c87c606SMark Murray r[7] = c2; 4425c87c606SMark Murray c2 = 0; 4435c87c606SMark Murray mul_add_c(a[7], b[1], c3, c1, c2); 4445c87c606SMark Murray mul_add_c(a[6], b[2], c3, c1, c2); 4455c87c606SMark Murray mul_add_c(a[5], b[3], c3, c1, c2); 4465c87c606SMark Murray mul_add_c(a[4], b[4], c3, c1, c2); 4475c87c606SMark Murray mul_add_c(a[3], b[5], c3, c1, c2); 4485c87c606SMark Murray mul_add_c(a[2], b[6], c3, c1, c2); 4495c87c606SMark Murray mul_add_c(a[1], b[7], c3, c1, c2); 4505c87c606SMark Murray r[8] = c3; 4515c87c606SMark Murray c3 = 0; 4525c87c606SMark Murray mul_add_c(a[2], b[7], c1, c2, c3); 4535c87c606SMark Murray mul_add_c(a[3], b[6], c1, c2, c3); 4545c87c606SMark Murray mul_add_c(a[4], b[5], c1, c2, c3); 4555c87c606SMark Murray mul_add_c(a[5], b[4], c1, c2, c3); 4565c87c606SMark Murray mul_add_c(a[6], b[3], c1, c2, c3); 4575c87c606SMark Murray mul_add_c(a[7], b[2], c1, c2, c3); 4585c87c606SMark Murray r[9] = c1; 4595c87c606SMark Murray c1 = 0; 4605c87c606SMark Murray mul_add_c(a[7], b[3], c2, c3, c1); 4615c87c606SMark Murray mul_add_c(a[6], b[4], c2, c3, c1); 4625c87c606SMark Murray mul_add_c(a[5], b[5], c2, c3, c1); 4635c87c606SMark Murray mul_add_c(a[4], b[6], c2, c3, c1); 4645c87c606SMark Murray mul_add_c(a[3], b[7], c2, c3, c1); 4655c87c606SMark Murray r[10] = c2; 4665c87c606SMark Murray c2 = 0; 4675c87c606SMark Murray mul_add_c(a[4], b[7], c3, c1, c2); 4685c87c606SMark Murray mul_add_c(a[5], b[6], c3, c1, c2); 4695c87c606SMark Murray mul_add_c(a[6], b[5], c3, c1, c2); 4705c87c606SMark Murray mul_add_c(a[7], b[4], c3, c1, c2); 4715c87c606SMark Murray r[11] = c3; 4725c87c606SMark Murray c3 = 0; 4735c87c606SMark Murray mul_add_c(a[7], b[5], c1, c2, c3); 4745c87c606SMark Murray mul_add_c(a[6], b[6], c1, c2, c3); 4755c87c606SMark Murray mul_add_c(a[5], b[7], c1, c2, c3); 4765c87c606SMark Murray r[12] = c1; 4775c87c606SMark Murray c1 = 0; 4785c87c606SMark Murray mul_add_c(a[6], b[7], c2, c3, c1); 4795c87c606SMark Murray mul_add_c(a[7], b[6], c2, c3, c1); 4805c87c606SMark Murray r[13] = c2; 4815c87c606SMark Murray c2 = 0; 4825c87c606SMark Murray mul_add_c(a[7], b[7], c3, c1, c2); 4835c87c606SMark Murray r[14] = c3; 4845c87c606SMark Murray r[15] = c1; 4855c87c606SMark Murray } 4865c87c606SMark Murray 4875c87c606SMark Murray void bn_mul_comba4(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b) 4885c87c606SMark Murray { 4895c87c606SMark Murray BN_ULONG t1, t2; 4905c87c606SMark Murray BN_ULONG c1, c2, c3; 4915c87c606SMark Murray 4925c87c606SMark Murray c1 = 0; 4935c87c606SMark Murray c2 = 0; 4945c87c606SMark Murray c3 = 0; 4955c87c606SMark Murray mul_add_c(a[0], b[0], c1, c2, c3); 4965c87c606SMark Murray r[0] = c1; 4975c87c606SMark Murray c1 = 0; 4985c87c606SMark Murray mul_add_c(a[0], b[1], c2, c3, c1); 4995c87c606SMark Murray mul_add_c(a[1], b[0], c2, c3, c1); 5005c87c606SMark Murray r[1] = c2; 5015c87c606SMark Murray c2 = 0; 5025c87c606SMark Murray mul_add_c(a[2], b[0], c3, c1, c2); 5035c87c606SMark Murray mul_add_c(a[1], b[1], c3, c1, c2); 5045c87c606SMark Murray mul_add_c(a[0], b[2], c3, c1, c2); 5055c87c606SMark Murray r[2] = c3; 5065c87c606SMark Murray c3 = 0; 5075c87c606SMark Murray mul_add_c(a[0], b[3], c1, c2, c3); 5085c87c606SMark Murray mul_add_c(a[1], b[2], c1, c2, c3); 5095c87c606SMark Murray mul_add_c(a[2], b[1], c1, c2, c3); 5105c87c606SMark Murray mul_add_c(a[3], b[0], c1, c2, c3); 5115c87c606SMark Murray r[3] = c1; 5125c87c606SMark Murray c1 = 0; 5135c87c606SMark Murray mul_add_c(a[3], b[1], c2, c3, c1); 5145c87c606SMark Murray mul_add_c(a[2], b[2], c2, c3, c1); 5155c87c606SMark Murray mul_add_c(a[1], b[3], c2, c3, c1); 5165c87c606SMark Murray r[4] = c2; 5175c87c606SMark Murray c2 = 0; 5185c87c606SMark Murray mul_add_c(a[2], b[3], c3, c1, c2); 5195c87c606SMark Murray mul_add_c(a[3], b[2], c3, c1, c2); 5205c87c606SMark Murray r[5] = c3; 5215c87c606SMark Murray c3 = 0; 5225c87c606SMark Murray mul_add_c(a[3], b[3], c1, c2, c3); 5235c87c606SMark Murray r[6] = c1; 5245c87c606SMark Murray r[7] = c2; 5255c87c606SMark Murray } 5265c87c606SMark Murray 5276a599222SSimon L. B. Nielsen void bn_sqr_comba8(BN_ULONG *r, const BN_ULONG *a) 5285c87c606SMark Murray { 5295c87c606SMark Murray BN_ULONG t1, t2; 5305c87c606SMark Murray BN_ULONG c1, c2, c3; 5315c87c606SMark Murray 5325c87c606SMark Murray c1 = 0; 5335c87c606SMark Murray c2 = 0; 5345c87c606SMark Murray c3 = 0; 5355c87c606SMark Murray sqr_add_c(a, 0, c1, c2, c3); 5365c87c606SMark Murray r[0] = c1; 5375c87c606SMark Murray c1 = 0; 5385c87c606SMark Murray sqr_add_c2(a, 1, 0, c2, c3, c1); 5395c87c606SMark Murray r[1] = c2; 5405c87c606SMark Murray c2 = 0; 5415c87c606SMark Murray sqr_add_c(a, 1, c3, c1, c2); 5425c87c606SMark Murray sqr_add_c2(a, 2, 0, c3, c1, c2); 5435c87c606SMark Murray r[2] = c3; 5445c87c606SMark Murray c3 = 0; 5455c87c606SMark Murray sqr_add_c2(a, 3, 0, c1, c2, c3); 5465c87c606SMark Murray sqr_add_c2(a, 2, 1, c1, c2, c3); 5475c87c606SMark Murray r[3] = c1; 5485c87c606SMark Murray c1 = 0; 5495c87c606SMark Murray sqr_add_c(a, 2, c2, c3, c1); 5505c87c606SMark Murray sqr_add_c2(a, 3, 1, c2, c3, c1); 5515c87c606SMark Murray sqr_add_c2(a, 4, 0, c2, c3, c1); 5525c87c606SMark Murray r[4] = c2; 5535c87c606SMark Murray c2 = 0; 5545c87c606SMark Murray sqr_add_c2(a, 5, 0, c3, c1, c2); 5555c87c606SMark Murray sqr_add_c2(a, 4, 1, c3, c1, c2); 5565c87c606SMark Murray sqr_add_c2(a, 3, 2, c3, c1, c2); 5575c87c606SMark Murray r[5] = c3; 5585c87c606SMark Murray c3 = 0; 5595c87c606SMark Murray sqr_add_c(a, 3, c1, c2, c3); 5605c87c606SMark Murray sqr_add_c2(a, 4, 2, c1, c2, c3); 5615c87c606SMark Murray sqr_add_c2(a, 5, 1, c1, c2, c3); 5625c87c606SMark Murray sqr_add_c2(a, 6, 0, c1, c2, c3); 5635c87c606SMark Murray r[6] = c1; 5645c87c606SMark Murray c1 = 0; 5655c87c606SMark Murray sqr_add_c2(a, 7, 0, c2, c3, c1); 5665c87c606SMark Murray sqr_add_c2(a, 6, 1, c2, c3, c1); 5675c87c606SMark Murray sqr_add_c2(a, 5, 2, c2, c3, c1); 5685c87c606SMark Murray sqr_add_c2(a, 4, 3, c2, c3, c1); 5695c87c606SMark Murray r[7] = c2; 5705c87c606SMark Murray c2 = 0; 5715c87c606SMark Murray sqr_add_c(a, 4, c3, c1, c2); 5725c87c606SMark Murray sqr_add_c2(a, 5, 3, c3, c1, c2); 5735c87c606SMark Murray sqr_add_c2(a, 6, 2, c3, c1, c2); 5745c87c606SMark Murray sqr_add_c2(a, 7, 1, c3, c1, c2); 5755c87c606SMark Murray r[8] = c3; 5765c87c606SMark Murray c3 = 0; 5775c87c606SMark Murray sqr_add_c2(a, 7, 2, c1, c2, c3); 5785c87c606SMark Murray sqr_add_c2(a, 6, 3, c1, c2, c3); 5795c87c606SMark Murray sqr_add_c2(a, 5, 4, c1, c2, c3); 5805c87c606SMark Murray r[9] = c1; 5815c87c606SMark Murray c1 = 0; 5825c87c606SMark Murray sqr_add_c(a, 5, c2, c3, c1); 5835c87c606SMark Murray sqr_add_c2(a, 6, 4, c2, c3, c1); 5845c87c606SMark Murray sqr_add_c2(a, 7, 3, c2, c3, c1); 5855c87c606SMark Murray r[10] = c2; 5865c87c606SMark Murray c2 = 0; 5875c87c606SMark Murray sqr_add_c2(a, 7, 4, c3, c1, c2); 5885c87c606SMark Murray sqr_add_c2(a, 6, 5, c3, c1, c2); 5895c87c606SMark Murray r[11] = c3; 5905c87c606SMark Murray c3 = 0; 5915c87c606SMark Murray sqr_add_c(a, 6, c1, c2, c3); 5925c87c606SMark Murray sqr_add_c2(a, 7, 5, c1, c2, c3); 5935c87c606SMark Murray r[12] = c1; 5945c87c606SMark Murray c1 = 0; 5955c87c606SMark Murray sqr_add_c2(a, 7, 6, c2, c3, c1); 5965c87c606SMark Murray r[13] = c2; 5975c87c606SMark Murray c2 = 0; 5985c87c606SMark Murray sqr_add_c(a, 7, c3, c1, c2); 5995c87c606SMark Murray r[14] = c3; 6005c87c606SMark Murray r[15] = c1; 6015c87c606SMark Murray } 6025c87c606SMark Murray 6036a599222SSimon L. B. Nielsen void bn_sqr_comba4(BN_ULONG *r, const BN_ULONG *a) 6045c87c606SMark Murray { 6055c87c606SMark Murray BN_ULONG t1, t2; 6065c87c606SMark Murray BN_ULONG c1, c2, c3; 6075c87c606SMark Murray 6085c87c606SMark Murray c1 = 0; 6095c87c606SMark Murray c2 = 0; 6105c87c606SMark Murray c3 = 0; 6115c87c606SMark Murray sqr_add_c(a, 0, c1, c2, c3); 6125c87c606SMark Murray r[0] = c1; 6135c87c606SMark Murray c1 = 0; 6145c87c606SMark Murray sqr_add_c2(a, 1, 0, c2, c3, c1); 6155c87c606SMark Murray r[1] = c2; 6165c87c606SMark Murray c2 = 0; 6175c87c606SMark Murray sqr_add_c(a, 1, c3, c1, c2); 6185c87c606SMark Murray sqr_add_c2(a, 2, 0, c3, c1, c2); 6195c87c606SMark Murray r[2] = c3; 6205c87c606SMark Murray c3 = 0; 6215c87c606SMark Murray sqr_add_c2(a, 3, 0, c1, c2, c3); 6225c87c606SMark Murray sqr_add_c2(a, 2, 1, c1, c2, c3); 6235c87c606SMark Murray r[3] = c1; 6245c87c606SMark Murray c1 = 0; 6255c87c606SMark Murray sqr_add_c(a, 2, c2, c3, c1); 6265c87c606SMark Murray sqr_add_c2(a, 3, 1, c2, c3, c1); 6275c87c606SMark Murray r[4] = c2; 6285c87c606SMark Murray c2 = 0; 6295c87c606SMark Murray sqr_add_c2(a, 3, 2, c3, c1, c2); 6305c87c606SMark Murray r[5] = c3; 6315c87c606SMark Murray c3 = 0; 6325c87c606SMark Murray sqr_add_c(a, 3, c1, c2, c3); 6335c87c606SMark Murray r[6] = c1; 6345c87c606SMark Murray r[7] = c2; 6355c87c606SMark Murray } 636ed5d4f9aSSimon L. B. Nielsen #endif 637