diff options
Diffstat (limited to 'thirdparty/openssl/crypto/bn/asm/x86_64-gcc.c')
| -rw-r--r-- | thirdparty/openssl/crypto/bn/asm/x86_64-gcc.c | 638 |
1 files changed, 0 insertions, 638 deletions
diff --git a/thirdparty/openssl/crypto/bn/asm/x86_64-gcc.c b/thirdparty/openssl/crypto/bn/asm/x86_64-gcc.c deleted file mode 100644 index 1729b479d..000000000 --- a/thirdparty/openssl/crypto/bn/asm/x86_64-gcc.c +++ /dev/null @@ -1,638 +0,0 @@ -#include "../bn_lcl.h" -#if !(defined(__GNUC__) && __GNUC__>=2) -# include "../bn_asm.c" /* kind of dirty hack for Sun Studio */ -#else -/*- - * x86_64 BIGNUM accelerator version 0.1, December 2002. - * - * Implemented by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL - * project. - * - * Rights for redistribution and usage in source and binary forms are - * granted according to the OpenSSL license. Warranty of any kind is - * disclaimed. - * - * Q. Version 0.1? It doesn't sound like Andy, he used to assign real - * versions, like 1.0... - * A. Well, that's because this code is basically a quick-n-dirty - * proof-of-concept hack. As you can see it's implemented with - * inline assembler, which means that you're bound to GCC and that - * there might be enough room for further improvement. - * - * Q. Why inline assembler? - * A. x86_64 features own ABI which I'm not familiar with. This is - * why I decided to let the compiler take care of subroutine - * prologue/epilogue as well as register allocation. For reference. - * Win64 implements different ABI for AMD64, different from Linux. - * - * Q. How much faster does it get? - * A. 'apps/openssl speed rsa dsa' output with no-asm: - * - * sign verify sign/s verify/s - * rsa 512 bits 0.0006s 0.0001s 1683.8 18456.2 - * rsa 1024 bits 0.0028s 0.0002s 356.0 6407.0 - * rsa 2048 bits 0.0172s 0.0005s 58.0 1957.8 - * rsa 4096 bits 0.1155s 0.0018s 8.7 555.6 - * sign verify sign/s verify/s - * dsa 512 bits 0.0005s 0.0006s 2100.8 1768.3 - * dsa 1024 bits 0.0014s 0.0018s 692.3 559.2 - * dsa 2048 bits 0.0049s 0.0061s 204.7 165.0 - * - * 'apps/openssl speed rsa dsa' output with this module: - * - * sign verify sign/s verify/s - * rsa 512 bits 0.0004s 0.0000s 2767.1 33297.9 - * rsa 1024 bits 0.0012s 0.0001s 867.4 14674.7 - * rsa 2048 bits 0.0061s 0.0002s 164.0 5270.0 - * rsa 4096 bits 0.0384s 0.0006s 26.1 1650.8 - * sign verify sign/s verify/s - * dsa 512 bits 0.0002s 0.0003s 4442.2 3786.3 - * dsa 1024 bits 0.0005s 0.0007s 1835.1 1497.4 - * dsa 2048 bits 0.0016s 0.0020s 620.4 504.6 - * - * For the reference. IA-32 assembler implementation performs - * very much like 64-bit code compiled with no-asm on the same - * machine. - */ - -# if defined(_WIN64) || !defined(__LP64__) -# define BN_ULONG unsigned long long -# else -# define BN_ULONG unsigned long -# endif - -# undef mul -# undef mul_add - -/*- - * "m"(a), "+m"(r) is the way to favor DirectPath µ-code; - * "g"(0) let the compiler to decide where does it - * want to keep the value of zero; - */ -# define mul_add(r,a,word,carry) do { \ - register BN_ULONG high,low; \ - asm ("mulq %3" \ - : "=a"(low),"=d"(high) \ - : "a"(word),"m"(a) \ - : "cc"); \ - asm ("addq %2,%0; adcq %3,%1" \ - : "+r"(carry),"+d"(high)\ - : "a"(low),"g"(0) \ - : "cc"); \ - asm ("addq %2,%0; adcq %3,%1" \ - : "+m"(r),"+d"(high) \ - : "r"(carry),"g"(0) \ - : "cc"); \ - carry=high; \ - } while (0) - -# define mul(r,a,word,carry) do { \ - register BN_ULONG high,low; \ - asm ("mulq %3" \ - : "=a"(low),"=d"(high) \ - : "a"(word),"g"(a) \ - : "cc"); \ - asm ("addq %2,%0; adcq %3,%1" \ - : "+r"(carry),"+d"(high)\ - : "a"(low),"g"(0) \ - : "cc"); \ - (r)=carry, carry=high; \ - } while (0) -# undef sqr -# define sqr(r0,r1,a) \ - asm ("mulq %2" \ - : "=a"(r0),"=d"(r1) \ - : "a"(a) \ - : "cc"); - -BN_ULONG bn_mul_add_words(BN_ULONG *rp, const BN_ULONG *ap, int num, - BN_ULONG w) -{ - BN_ULONG c1 = 0; - - if (num <= 0) - return (c1); - - while (num & ~3) { - mul_add(rp[0], ap[0], w, c1); - mul_add(rp[1], ap[1], w, c1); - mul_add(rp[2], ap[2], w, c1); - mul_add(rp[3], ap[3], w, c1); - ap += 4; - rp += 4; - num -= 4; - } - if (num) { - mul_add(rp[0], ap[0], w, c1); - if (--num == 0) - return c1; - mul_add(rp[1], ap[1], w, c1); - if (--num == 0) - return c1; - mul_add(rp[2], ap[2], w, c1); - return c1; - } - - return (c1); -} - -BN_ULONG bn_mul_words(BN_ULONG *rp, const BN_ULONG *ap, int num, BN_ULONG w) -{ - BN_ULONG c1 = 0; - - if (num <= 0) - return (c1); - - while (num & ~3) { - mul(rp[0], ap[0], w, c1); - mul(rp[1], ap[1], w, c1); - mul(rp[2], ap[2], w, c1); - mul(rp[3], ap[3], w, c1); - ap += 4; - rp += 4; - num -= 4; - } - if (num) { - mul(rp[0], ap[0], w, c1); - if (--num == 0) - return c1; - mul(rp[1], ap[1], w, c1); - if (--num == 0) - return c1; - mul(rp[2], ap[2], w, c1); - } - return (c1); -} - -void bn_sqr_words(BN_ULONG *r, const BN_ULONG *a, int n) -{ - if (n <= 0) - return; - - while (n & ~3) { - sqr(r[0], r[1], a[0]); - sqr(r[2], r[3], a[1]); - sqr(r[4], r[5], a[2]); - sqr(r[6], r[7], a[3]); - a += 4; - r += 8; - n -= 4; - } - if (n) { - sqr(r[0], r[1], a[0]); - if (--n == 0) - return; - sqr(r[2], r[3], a[1]); - if (--n == 0) - return; - sqr(r[4], r[5], a[2]); - } -} - -BN_ULONG bn_div_words(BN_ULONG h, BN_ULONG l, BN_ULONG d) -{ - BN_ULONG ret, waste; - - asm("divq %4":"=a"(ret), "=d"(waste) - : "a"(l), "d"(h), "r"(d) - : "cc"); - - return ret; -} - -BN_ULONG bn_add_words(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, - int n) -{ - BN_ULONG ret; - size_t i = 0; - - if (n <= 0) - return 0; - - asm volatile (" subq %0,%0 \n" /* clear carry */ - " jmp 1f \n" - ".p2align 4 \n" - "1: movq (%4,%2,8),%0 \n" - " adcq (%5,%2,8),%0 \n" - " movq %0,(%3,%2,8) \n" - " lea 1(%2),%2 \n" - " loop 1b \n" - " sbbq %0,%0 \n":"=&r" (ret), "+c"(n), - "+r"(i) - :"r"(rp), "r"(ap), "r"(bp) - :"cc", "memory"); - - return ret & 1; -} - -# ifndef SIMICS -BN_ULONG bn_sub_words(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, - int n) -{ - BN_ULONG ret; - size_t i = 0; - - if (n <= 0) - return 0; - - asm volatile (" subq %0,%0 \n" /* clear borrow */ - " jmp 1f \n" - ".p2align 4 \n" - "1: movq (%4,%2,8),%0 \n" - " sbbq (%5,%2,8),%0 \n" - " movq %0,(%3,%2,8) \n" - " lea 1(%2),%2 \n" - " loop 1b \n" - " sbbq %0,%0 \n":"=&r" (ret), "+c"(n), - "+r"(i) - :"r"(rp), "r"(ap), "r"(bp) - :"cc", "memory"); - - return ret & 1; -} -# else -/* Simics 1.4<7 has buggy sbbq:-( */ -# define BN_MASK2 0xffffffffffffffffL -BN_ULONG bn_sub_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n) -{ - BN_ULONG t1, t2; - int c = 0; - - if (n <= 0) - return ((BN_ULONG)0); - - for (;;) { - t1 = a[0]; - t2 = b[0]; - r[0] = (t1 - t2 - c) & BN_MASK2; - if (t1 != t2) - c = (t1 < t2); - if (--n <= 0) - break; - - t1 = a[1]; - t2 = b[1]; - r[1] = (t1 - t2 - c) & BN_MASK2; - if (t1 != t2) - c = (t1 < t2); - if (--n <= 0) - break; - - t1 = a[2]; - t2 = b[2]; - r[2] = (t1 - t2 - c) & BN_MASK2; - if (t1 != t2) - c = (t1 < t2); - if (--n <= 0) - break; - - t1 = a[3]; - t2 = b[3]; - r[3] = (t1 - t2 - c) & BN_MASK2; - if (t1 != t2) - c = (t1 < t2); - if (--n <= 0) - break; - - a += 4; - b += 4; - r += 4; - } - return (c); -} -# endif - -/* mul_add_c(a,b,c0,c1,c2) -- c+=a*b for three word number c=(c2,c1,c0) */ -/* mul_add_c2(a,b,c0,c1,c2) -- c+=2*a*b for three word number c=(c2,c1,c0) */ -/* sqr_add_c(a,i,c0,c1,c2) -- c+=a[i]^2 for three word number c=(c2,c1,c0) */ -/* - * sqr_add_c2(a,i,c0,c1,c2) -- c+=2*a[i]*a[j] for three word number - * c=(c2,c1,c0) - */ - -/* - * Keep in mind that carrying into high part of multiplication result - * can not overflow, because it cannot be all-ones. - */ -# if 0 -/* original macros are kept for reference purposes */ -# define mul_add_c(a,b,c0,c1,c2) do { \ - BN_ULONG ta = (a), tb = (b); \ - BN_ULONG lo, hi; \ - BN_UMULT_LOHI(lo,hi,ta,tb); \ - c0 += lo; hi += (c0<lo)?1:0; \ - c1 += hi; c2 += (c1<hi)?1:0; \ - } while(0) - -# define mul_add_c2(a,b,c0,c1,c2) do { \ - BN_ULONG ta = (a), tb = (b); \ - BN_ULONG lo, hi, tt; \ - BN_UMULT_LOHI(lo,hi,ta,tb); \ - c0 += lo; tt = hi+((c0<lo)?1:0); \ - c1 += tt; c2 += (c1<tt)?1:0; \ - c0 += lo; hi += (c0<lo)?1:0; \ - c1 += hi; c2 += (c1<hi)?1:0; \ - } while(0) - -# define sqr_add_c(a,i,c0,c1,c2) do { \ - BN_ULONG ta = (a)[i]; \ - BN_ULONG lo, hi; \ - BN_UMULT_LOHI(lo,hi,ta,ta); \ - c0 += lo; hi += (c0<lo)?1:0; \ - c1 += hi; c2 += (c1<hi)?1:0; \ - } while(0) -# else -# define mul_add_c(a,b,c0,c1,c2) do { \ - BN_ULONG t1,t2; \ - asm ("mulq %3" \ - : "=a"(t1),"=d"(t2) \ - : "a"(a),"m"(b) \ - : "cc"); \ - asm ("addq %3,%0; adcq %4,%1; adcq %5,%2" \ - : "+r"(c0),"+r"(c1),"+r"(c2) \ - : "r"(t1),"r"(t2),"g"(0) \ - : "cc"); \ - } while (0) - -# define sqr_add_c(a,i,c0,c1,c2) do { \ - BN_ULONG t1,t2; \ - asm ("mulq %2" \ - : "=a"(t1),"=d"(t2) \ - : "a"(a[i]) \ - : "cc"); \ - asm ("addq %3,%0; adcq %4,%1; adcq %5,%2" \ - : "+r"(c0),"+r"(c1),"+r"(c2) \ - : "r"(t1),"r"(t2),"g"(0) \ - : "cc"); \ - } while (0) - -# define mul_add_c2(a,b,c0,c1,c2) do { \ - BN_ULONG t1,t2; \ - asm ("mulq %3" \ - : "=a"(t1),"=d"(t2) \ - : "a"(a),"m"(b) \ - : "cc"); \ - asm ("addq %3,%0; adcq %4,%1; adcq %5,%2" \ - : "+r"(c0),"+r"(c1),"+r"(c2) \ - : "r"(t1),"r"(t2),"g"(0) \ - : "cc"); \ - asm ("addq %3,%0; adcq %4,%1; adcq %5,%2" \ - : "+r"(c0),"+r"(c1),"+r"(c2) \ - : "r"(t1),"r"(t2),"g"(0) \ - : "cc"); \ - } while (0) -# endif - -# define sqr_add_c2(a,i,j,c0,c1,c2) \ - mul_add_c2((a)[i],(a)[j],c0,c1,c2) - -void bn_mul_comba8(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b) -{ - BN_ULONG c1, c2, c3; - - c1 = 0; - c2 = 0; - c3 = 0; - mul_add_c(a[0], b[0], c1, c2, c3); - r[0] = c1; - c1 = 0; - mul_add_c(a[0], b[1], c2, c3, c1); - mul_add_c(a[1], b[0], c2, c3, c1); - r[1] = c2; - c2 = 0; - mul_add_c(a[2], b[0], c3, c1, c2); - mul_add_c(a[1], b[1], c3, c1, c2); - mul_add_c(a[0], b[2], c3, c1, c2); - r[2] = c3; - c3 = 0; - mul_add_c(a[0], b[3], c1, c2, c3); - mul_add_c(a[1], b[2], c1, c2, c3); - mul_add_c(a[2], b[1], c1, c2, c3); - mul_add_c(a[3], b[0], c1, c2, c3); - r[3] = c1; - c1 = 0; - mul_add_c(a[4], b[0], c2, c3, c1); - mul_add_c(a[3], b[1], c2, c3, c1); - mul_add_c(a[2], b[2], c2, c3, c1); - mul_add_c(a[1], b[3], c2, c3, c1); - mul_add_c(a[0], b[4], c2, c3, c1); - r[4] = c2; - c2 = 0; - mul_add_c(a[0], b[5], c3, c1, c2); - mul_add_c(a[1], b[4], c3, c1, c2); - mul_add_c(a[2], b[3], c3, c1, c2); - mul_add_c(a[3], b[2], c3, c1, c2); - mul_add_c(a[4], b[1], c3, c1, c2); - mul_add_c(a[5], b[0], c3, c1, c2); - r[5] = c3; - c3 = 0; - mul_add_c(a[6], b[0], c1, c2, c3); - mul_add_c(a[5], b[1], c1, c2, c3); - mul_add_c(a[4], b[2], c1, c2, c3); - mul_add_c(a[3], b[3], c1, c2, c3); - mul_add_c(a[2], b[4], c1, c2, c3); - mul_add_c(a[1], b[5], c1, c2, c3); - mul_add_c(a[0], b[6], c1, c2, c3); - r[6] = c1; - c1 = 0; - mul_add_c(a[0], b[7], c2, c3, c1); - mul_add_c(a[1], b[6], c2, c3, c1); - mul_add_c(a[2], b[5], c2, c3, c1); - mul_add_c(a[3], b[4], c2, c3, c1); - mul_add_c(a[4], b[3], c2, c3, c1); - mul_add_c(a[5], b[2], c2, c3, c1); - mul_add_c(a[6], b[1], c2, c3, c1); - mul_add_c(a[7], b[0], c2, c3, c1); - r[7] = c2; - c2 = 0; - mul_add_c(a[7], b[1], c3, c1, c2); - mul_add_c(a[6], b[2], c3, c1, c2); - mul_add_c(a[5], b[3], c3, c1, c2); - mul_add_c(a[4], b[4], c3, c1, c2); - mul_add_c(a[3], b[5], c3, c1, c2); - mul_add_c(a[2], b[6], c3, c1, c2); - mul_add_c(a[1], b[7], c3, c1, c2); - r[8] = c3; - c3 = 0; - mul_add_c(a[2], b[7], c1, c2, c3); - mul_add_c(a[3], b[6], c1, c2, c3); - mul_add_c(a[4], b[5], c1, c2, c3); - mul_add_c(a[5], b[4], c1, c2, c3); - mul_add_c(a[6], b[3], c1, c2, c3); - mul_add_c(a[7], b[2], c1, c2, c3); - r[9] = c1; - c1 = 0; - mul_add_c(a[7], b[3], c2, c3, c1); - mul_add_c(a[6], b[4], c2, c3, c1); - mul_add_c(a[5], b[5], c2, c3, c1); - mul_add_c(a[4], b[6], c2, c3, c1); - mul_add_c(a[3], b[7], c2, c3, c1); - r[10] = c2; - c2 = 0; - mul_add_c(a[4], b[7], c3, c1, c2); - mul_add_c(a[5], b[6], c3, c1, c2); - mul_add_c(a[6], b[5], c3, c1, c2); - mul_add_c(a[7], b[4], c3, c1, c2); - r[11] = c3; - c3 = 0; - mul_add_c(a[7], b[5], c1, c2, c3); - mul_add_c(a[6], b[6], c1, c2, c3); - mul_add_c(a[5], b[7], c1, c2, c3); - r[12] = c1; - c1 = 0; - mul_add_c(a[6], b[7], c2, c3, c1); - mul_add_c(a[7], b[6], c2, c3, c1); - r[13] = c2; - c2 = 0; - mul_add_c(a[7], b[7], c3, c1, c2); - r[14] = c3; - r[15] = c1; -} - -void bn_mul_comba4(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b) -{ - BN_ULONG c1, c2, c3; - - c1 = 0; - c2 = 0; - c3 = 0; - mul_add_c(a[0], b[0], c1, c2, c3); - r[0] = c1; - c1 = 0; - mul_add_c(a[0], b[1], c2, c3, c1); - mul_add_c(a[1], b[0], c2, c3, c1); - r[1] = c2; - c2 = 0; - mul_add_c(a[2], b[0], c3, c1, c2); - mul_add_c(a[1], b[1], c3, c1, c2); - mul_add_c(a[0], b[2], c3, c1, c2); - r[2] = c3; - c3 = 0; - mul_add_c(a[0], b[3], c1, c2, c3); - mul_add_c(a[1], b[2], c1, c2, c3); - mul_add_c(a[2], b[1], c1, c2, c3); - mul_add_c(a[3], b[0], c1, c2, c3); - r[3] = c1; - c1 = 0; - mul_add_c(a[3], b[1], c2, c3, c1); - mul_add_c(a[2], b[2], c2, c3, c1); - mul_add_c(a[1], b[3], c2, c3, c1); - r[4] = c2; - c2 = 0; - mul_add_c(a[2], b[3], c3, c1, c2); - mul_add_c(a[3], b[2], c3, c1, c2); - r[5] = c3; - c3 = 0; - mul_add_c(a[3], b[3], c1, c2, c3); - r[6] = c1; - r[7] = c2; -} - -void bn_sqr_comba8(BN_ULONG *r, const BN_ULONG *a) -{ - BN_ULONG c1, c2, c3; - - c1 = 0; - c2 = 0; - c3 = 0; - sqr_add_c(a, 0, c1, c2, c3); - r[0] = c1; - c1 = 0; - sqr_add_c2(a, 1, 0, c2, c3, c1); - r[1] = c2; - c2 = 0; - sqr_add_c(a, 1, c3, c1, c2); - sqr_add_c2(a, 2, 0, c3, c1, c2); - r[2] = c3; - c3 = 0; - sqr_add_c2(a, 3, 0, c1, c2, c3); - sqr_add_c2(a, 2, 1, c1, c2, c3); - r[3] = c1; - c1 = 0; - sqr_add_c(a, 2, c2, c3, c1); - sqr_add_c2(a, 3, 1, c2, c3, c1); - sqr_add_c2(a, 4, 0, c2, c3, c1); - r[4] = c2; - c2 = 0; - sqr_add_c2(a, 5, 0, c3, c1, c2); - sqr_add_c2(a, 4, 1, c3, c1, c2); - sqr_add_c2(a, 3, 2, c3, c1, c2); - r[5] = c3; - c3 = 0; - sqr_add_c(a, 3, c1, c2, c3); - sqr_add_c2(a, 4, 2, c1, c2, c3); - sqr_add_c2(a, 5, 1, c1, c2, c3); - sqr_add_c2(a, 6, 0, c1, c2, c3); - r[6] = c1; - c1 = 0; - sqr_add_c2(a, 7, 0, c2, c3, c1); - sqr_add_c2(a, 6, 1, c2, c3, c1); - sqr_add_c2(a, 5, 2, c2, c3, c1); - sqr_add_c2(a, 4, 3, c2, c3, c1); - r[7] = c2; - c2 = 0; - sqr_add_c(a, 4, c3, c1, c2); - sqr_add_c2(a, 5, 3, c3, c1, c2); - sqr_add_c2(a, 6, 2, c3, c1, c2); - sqr_add_c2(a, 7, 1, c3, c1, c2); - r[8] = c3; - c3 = 0; - sqr_add_c2(a, 7, 2, c1, c2, c3); - sqr_add_c2(a, 6, 3, c1, c2, c3); - sqr_add_c2(a, 5, 4, c1, c2, c3); - r[9] = c1; - c1 = 0; - sqr_add_c(a, 5, c2, c3, c1); - sqr_add_c2(a, 6, 4, c2, c3, c1); - sqr_add_c2(a, 7, 3, c2, c3, c1); - r[10] = c2; - c2 = 0; - sqr_add_c2(a, 7, 4, c3, c1, c2); - sqr_add_c2(a, 6, 5, c3, c1, c2); - r[11] = c3; - c3 = 0; - sqr_add_c(a, 6, c1, c2, c3); - sqr_add_c2(a, 7, 5, c1, c2, c3); - r[12] = c1; - c1 = 0; - sqr_add_c2(a, 7, 6, c2, c3, c1); - r[13] = c2; - c2 = 0; - sqr_add_c(a, 7, c3, c1, c2); - r[14] = c3; - r[15] = c1; -} - -void bn_sqr_comba4(BN_ULONG *r, const BN_ULONG *a) -{ - BN_ULONG c1, c2, c3; - - c1 = 0; - c2 = 0; - c3 = 0; - sqr_add_c(a, 0, c1, c2, c3); - r[0] = c1; - c1 = 0; - sqr_add_c2(a, 1, 0, c2, c3, c1); - r[1] = c2; - c2 = 0; - sqr_add_c(a, 1, c3, c1, c2); - sqr_add_c2(a, 2, 0, c3, c1, c2); - r[2] = c3; - c3 = 0; - sqr_add_c2(a, 3, 0, c1, c2, c3); - sqr_add_c2(a, 2, 1, c1, c2, c3); - r[3] = c1; - c1 = 0; - sqr_add_c(a, 2, c2, c3, c1); - sqr_add_c2(a, 3, 1, c2, c3, c1); - r[4] = c2; - c2 = 0; - sqr_add_c2(a, 3, 2, c3, c1, c2); - r[5] = c3; - c3 = 0; - sqr_add_c(a, 3, c1, c2, c3); - r[6] = c1; - r[7] = c2; -} -#endif |
