xmrig/algo/cryptonight/cryptonight_av5_aesni_experimental.c
2017-04-24 13:23:49 +03:00

77 lines
2.7 KiB
C

/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2017 fireice-uk <https://github.com/fireice-uk>
* Copyright 2016-2017 XMRig <support@xmrig.com>
*
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <x86intrin.h>
#include <string.h>
#include "cryptonight.h"
#include "cryptonight_p.h"
#include "crypto/c_keccak.h"
void cryptonight_av5_aesni_experimental(const void *restrict input, size_t size, void *restrict output, struct cryptonight_ctx *restrict ctx)
{
const uint8_t* memory = ctx->memory;
keccak((const uint8_t *) input, size, ctx->state, 200);
cn_explode_scratchpad((__m128i*) ctx->state, (__m128i*) memory);
uint64_t* state = (uint64_t*) ctx->state;
uint64_t a[2] __attribute((aligned(16))) = { state[0] ^ state[4], state[1] ^ state[5] };
uint64_t c __attribute((aligned(16)));
uint64_t d[2] __attribute((aligned(16)));
__m128i a_x = _mm_load_si128((__m128i *) &memory[a[0] & 0x1FFFF0]);
__m128i b_x = _mm_set_epi64x(state[3] ^ state[7], state[2] ^ state[6]);
for (size_t i = 0; __builtin_expect(i < 0x80000, 1); i++) {
__m128i c_x = _mm_aesenc_si128(a_x, _mm_load_si128((__m128i *) a));
c = _mm_cvtsi128_si64(c_x);
uint64_t *restrict d_ptr = (uint64_t *) &memory[c & 0x1FFFF0];
_mm_store_si128((__m128i *) &memory[a[0] & 0x1FFFF0], _mm_xor_si128(b_x, c_x));
b_x = c_x;
d[0] = d_ptr[0];
d[1] = d_ptr[1];
{
unsigned __int128 res = (unsigned __int128) c * d[0];
d_ptr[0] = a[0] += res >> 64;
d_ptr[1] = a[1] += (uint64_t) res;
}
a[0] ^= d[0];
a[1] ^= d[1];
a_x = _mm_load_si128((__m128i *) &memory[a[0] & 0x1FFFF0]);
}
cn_implode_scratchpad((__m128i*) memory, (__m128i*) state);
keccakf(state, 24);
extra_hashes[ctx->state[0] & 3](ctx->state, 200, output);
}