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salsa_20_sidm_bck.c
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salsa_20_sidm_bck.c
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/*
* Copyright 2013 [email protected]
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
#include <immintrin.h>
#include "cpuminer-config.h"
#include "miner.h"
#include <string.h>
#include <stdlib.h>
#include <inttypes.h>
static const uint32_t sha256_h_sidm[8] = {
0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
};
static const uint32_t sha256_k_sidm[64] = {
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
};
static const uint32_t keypad_sidm[12] = {
0x80000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x00000280
};
static const uint32_t innerpad_sidm[11] = {
0x80000000, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x000004a0
};
static const uint32_t outerpad_sidm[8] = {
0x80000000, 0, 0, 0, 0, 0, 0, 0x00000300
};
static const uint32_t finalblk_sidm[16 * 4] __attribute__((aligned(16))) = {
0x00000001, 0x00000001, 0x00000001, 0x00000001,
0x80000000, 0x80000000, 0x80000000, 0x80000000,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0x00000620, 0x00000620, 0x00000620, 0x00000620
};
static inline void xor_salsa_sidm(__m128i *calc_18, __m128i *calc_13, __m128i *calc_9, __m128i *calc_7,
const __m128i *calc_1, const __m128i *calc_4, const __m128i *calc_3, const __m128i *calc_2)
{
int i;
__m128i _calc;
__m128i _shift_left;
__m128i row1; // = _mm_xor_si128(*calc_18, *calc_1);;
__m128i row2; // = _mm_xor_si128(*calc_7, *calc_2);;
__m128i row3; // = _mm_xor_si128(*calc_9, *calc_3);;
__m128i row4; // = _mm_xor_si128(*calc_13, *calc_4);;
*calc_18 = _mm_xor_si128(*calc_18, *calc_1);
*calc_7 = _mm_xor_si128(*calc_7, *calc_2);
*calc_9 = _mm_xor_si128(*calc_9, *calc_3);
*calc_13 = _mm_xor_si128(*calc_13, *calc_4);
row1 = *calc_18; //X[0]
row2 = *calc_7; //X[3]
row3 = *calc_9; //X[2]
row4 = *calc_13; //X[1]
for (i = 0; i < 8; i += 2) {
/* first row X[3]=f(X0,X1) */
_calc = _mm_add_epi32(row1, row4);
_shift_left = _mm_slli_epi32(_calc, 7);
_calc = _mm_srli_epi32(_calc,(32 - 7));
row2 = _mm_xor_si128(row2, _calc);
row2 = _mm_xor_si128(row2, _shift_left);
/* second row X[2]=f(X3,X0) */
_calc = _mm_add_epi32(row2, row1);
_shift_left = _mm_slli_epi32(_calc, 9);
_calc = _mm_srli_epi32(_calc,(32 - 9));
row3 = _mm_xor_si128(row3, _calc);
row3 = _mm_xor_si128(row3, _shift_left);
/* third row X[1]=f(X2,X3) */
_calc = _mm_add_epi32(row3, row2);
_shift_left = _mm_slli_epi32(_calc, 13);
_calc = _mm_srli_epi32(_calc,(32 - 13));
row4 = _mm_xor_si128(row4, _calc);
row4 = _mm_xor_si128(row4, _shift_left);
/* fourth row X[0]=f(X1,X2) */
_calc = _mm_add_epi32(row4, row3);
_shift_left = _mm_slli_epi32(_calc, 18);
_calc = _mm_srli_epi32(_calc,(32 - 18));
row1 = _mm_xor_si128(row1, _calc);
row1 = _mm_xor_si128(row1, _shift_left);
// transpose_matrix(row1, row2, row3, row4, row_to_column);
row2 = _mm_shuffle_epi32(row2,0x93);
row3 = _mm_shuffle_epi32(row3,0x4e);
row4 = _mm_shuffle_epi32(row4,0x39);
// end transpose
// switch *calc_13 and * calc_7 usage compared to rows
/* first column X[1]=f(X0,X3) */
_calc = _mm_add_epi32(row1, row2);
_shift_left = _mm_slli_epi32(_calc, 7);
_calc = _mm_srli_epi32(_calc,(32 - 7));
row4 = _mm_xor_si128(row4, _calc);
row4 = _mm_xor_si128(row4, _shift_left);
/* second column X[2]=f(X1,X0) */
_calc = _mm_add_epi32(row4, row1);
_shift_left = _mm_slli_epi32(_calc, 9);
_calc = _mm_srli_epi32(_calc,(32 - 9));
row3 = _mm_xor_si128(row3, _calc);
row3 = _mm_xor_si128(row3, _shift_left);
/* third column X[3]=f(X2,X1) */
_calc = _mm_add_epi32(row3, row4);
_shift_left = _mm_slli_epi32(_calc, 13);
_calc = _mm_srli_epi32(_calc,(32 - 13));
row2 = _mm_xor_si128(row2, _calc);
row2 = _mm_xor_si128(row2, _shift_left);
/* fourth column X[0]=f(X3,X2) */
_calc = _mm_add_epi32(row2, row3);
_shift_left = _mm_slli_epi32(_calc, 18);
_calc = _mm_srli_epi32(_calc,(32 - 18));
row1 = _mm_xor_si128(row1, _calc);
row1 = _mm_xor_si128(row1, _shift_left);
// transpose_matrix(row1, row2, row3, row4, row_to_column);
row2 = _mm_shuffle_epi32(row2,0x39);
row3 = _mm_shuffle_epi32(row3,0x4e);
row4 = _mm_shuffle_epi32(row4,0x93);
// end transpose
}
*calc_18 = _mm_add_epi32(*calc_18,row1);
*calc_7 = _mm_add_epi32(*calc_7, row2);
*calc_9 = _mm_add_epi32(*calc_9, row3);
*calc_13 = _mm_add_epi32(*calc_13, row4);
}
static inline void scrypt_core_sidm(uint32_t *X /*, uint32_t *V*/)
{
uint32_t i, j;
__m128i scratch[1024 * 8];
__m128i *SourcePtr = (__m128i*) X;
uint32_t row1[4] __attribute__((aligned(16)));
uint32_t row2[4] __attribute__((aligned(16)));
uint32_t row3[4] __attribute__((aligned(16)));
uint32_t row4[4] __attribute__((aligned(16)));
uint32_t row11[4] __attribute__((aligned(16)));
uint32_t row21[4] __attribute__((aligned(16)));
uint32_t row31[4] __attribute__((aligned(16)));
uint32_t row41[4] __attribute__((aligned(16)));
__m128i *calc_1 = (__m128i*) row1;
__m128i *calc_2 = (__m128i*) row2;
__m128i *calc_3 = (__m128i*) row3;
__m128i *calc_4 = (__m128i*) row4;
__m128i *calc_11 = (__m128i*) row11;
__m128i *calc_21 = (__m128i*) row21;
__m128i *calc_31 = (__m128i*) row31;
__m128i *calc_41 = (__m128i*) row41;
__m128i _calc5;
__m128i _calc6;
__m128i _calc7;
__m128i _calc8;
// working with multiple pointers for the scratch-pad results in minimized instruction count.
__m128i *scratchPrt1 = &scratch[0];
__m128i *scratchPrt2 = &scratch[1];
__m128i *scratchPrt3 = &scratch[2];
__m128i *scratchPrt4 = &scratch[3];
__m128i *scratchPrt11 = &scratch[4];
__m128i *scratchPrt21 = &scratch[5];
__m128i *scratchPrt31 = &scratch[6];
__m128i *scratchPrt41 = &scratch[7];
/* transpose the data from *X */
_calc5 =_mm_blend_epi16(SourcePtr[4], SourcePtr[6], 0xf0);
_calc6 =_mm_blend_epi16(SourcePtr[5], SourcePtr[7], 0x0f);
_calc7 =_mm_blend_epi16(SourcePtr[6], SourcePtr[4], 0xf0);
_calc8 =_mm_blend_epi16(SourcePtr[7], SourcePtr[5], 0x0f);
*calc_11 = _mm_blend_epi16(_calc5, _calc8, 0xcc);
*calc_21 = _mm_blend_epi16(_calc6, _calc5, 0xcc);
*calc_31 = _mm_blend_epi16(_calc7, _calc6, 0xcc);
*calc_41 = _mm_blend_epi16(_calc8, _calc7, 0xcc);
_calc5 =_mm_blend_epi16(SourcePtr[0], SourcePtr[2], 0xf0);
_calc6 =_mm_blend_epi16(SourcePtr[1], SourcePtr[3], 0x0f);
_calc7 =_mm_blend_epi16(SourcePtr[2], SourcePtr[0], 0xf0);
_calc8 =_mm_blend_epi16(SourcePtr[3], SourcePtr[1], 0x0f);
*calc_1 = _mm_blend_epi16(_calc5, _calc8, 0xcc);
*calc_2 = _mm_blend_epi16(_calc6, _calc5, 0xcc);
*calc_3 = _mm_blend_epi16(_calc7, _calc6, 0xcc);
*calc_4 = _mm_blend_epi16(_calc8, _calc7, 0xcc);
for (i = 0; i < 1024; i++) {
scratch[i * 8 + 0] = *calc_1;
scratch[i * 8 + 1] = *calc_2;
scratch[i * 8 + 2] = *calc_3;
scratch[i * 8 + 3] = *calc_4;
scratch[i * 8 + 4] = *calc_11;
scratch[i * 8 + 5] = *calc_21;
scratch[i * 8 + 6] = *calc_31;
scratch[i * 8 + 7] = *calc_41;
xor_salsa_sidm(calc_1, calc_2, calc_3, calc_4,calc_11,calc_21,calc_31,calc_41);
xor_salsa_sidm(calc_11,calc_21,calc_31,calc_41,calc_1, calc_2, calc_3, calc_4);
}
for (i = 0; i < 1024; i++) {
j = 8 * (_mm_extract_epi16(*calc_11,0x00) & 1023);
*calc_1 ^= scratchPrt1[j];
*calc_2 ^= scratchPrt2[j];
*calc_3 ^= scratchPrt3[j];
*calc_4 ^= scratchPrt4[j];
*calc_11 ^= scratchPrt11[j];
*calc_21 ^= scratchPrt21[j];
*calc_31 ^= scratchPrt31[j];
*calc_41 ^= scratchPrt41[j];
xor_salsa_sidm(calc_1, calc_2, calc_3, calc_4,calc_11,calc_21,calc_31,calc_41);
xor_salsa_sidm(calc_11,calc_21,calc_31,calc_41,calc_1, calc_2, calc_3, calc_4);
}
_calc5 =_mm_blend_epi16(*calc_11, *calc_31, 0xf0);
_calc6 =_mm_blend_epi16(*calc_21, *calc_41, 0x0f);
_calc7 =_mm_blend_epi16(*calc_31, *calc_11, 0xf0);
_calc8 =_mm_blend_epi16(*calc_41, *calc_21, 0x0f);
SourcePtr[4] = _mm_blend_epi16(_calc5, _calc8, 0xcc);
SourcePtr[5] = _mm_blend_epi16(_calc6, _calc5, 0xcc);
SourcePtr[6] = _mm_blend_epi16(_calc7, _calc6, 0xcc);
SourcePtr[7] = _mm_blend_epi16(_calc8, _calc7, 0xcc);
_calc5 =_mm_blend_epi16(*calc_1, *calc_3, 0xf0);
_calc6 =_mm_blend_epi16(*calc_2, *calc_4, 0x0f);
_calc7 =_mm_blend_epi16(*calc_3, *calc_1, 0xf0);
_calc8 =_mm_blend_epi16(*calc_4, *calc_2, 0x0f);
SourcePtr[0] = _mm_blend_epi16(_calc5, _calc8, 0xcc);
SourcePtr[1] = _mm_blend_epi16(_calc6, _calc5, 0xcc);
SourcePtr[2] = _mm_blend_epi16(_calc7, _calc6, 0xcc);
SourcePtr[3] = _mm_blend_epi16(_calc8, _calc7, 0xcc);
}
static inline void xor_salsa_sidm_3way(__m128i *calc_11, __m128i *calc_21, __m128i *calc_31)
{
int i;
__m128i _calc_x1;
__m128i _calc_x2;
__m128i _calc_x3;
__m128i _shift_left;
__m128i X1[4];
__m128i X2[4];
__m128i X3[4];
X1[0] = calc_11[0];
X1[1] = calc_11[1];
X1[2] = calc_11[2];
X1[3] = calc_11[3];
X2[0] = calc_21[0];
X2[1] = calc_21[1];
X2[2] = calc_21[2];
X2[3] = calc_21[3];
X3[0] = calc_31[0];
X3[1] = calc_31[1];
X3[2] = calc_31[2];
X3[3] = calc_31[3];
for (i = 0; i < 8; i += 2) {
/* first row X[3]=f(X0,X1) */
_calc_x1 = _mm_add_epi32(X1[0], X1[1]); //X[0] and X[1]
_calc_x2 = _mm_add_epi32(X2[0], X2[1]); //X[0] and X[1]
_calc_x3 = _mm_add_epi32(X3[0], X3[1]); //X[0] and X[1]
_shift_left = _mm_slli_epi32(_calc_x1, 7);
X1[3] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 7);
X2[3] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 7);
X3[3] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 7));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 7));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 7));
X1[3] ^= _calc_x1;
X2[3] ^= _calc_x2;
X3[3] ^= _calc_x3;
/* second rows X[2]=f(X3,X0) */
_calc_x1 = _mm_add_epi32(X1[3], X1[0]); //X[3] and X[0]
_calc_x2 = _mm_add_epi32(X2[3], X2[0]); //X[3] and X[0]
_calc_x3 = _mm_add_epi32(X3[3], X3[0]); //X[3] and X[0]
_shift_left = _mm_slli_epi32(_calc_x1, 9);
X1[2] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 9);
X2[2] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 9);
X3[2] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 9));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 9));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 9));
X1[2] ^= _calc_x1;
X2[2] ^= _calc_x2;
X3[2] ^= _calc_x3;
/* third rows X[1]=f(X2,X3) */
_calc_x1 = _mm_add_epi32(X1[2], X1[3]); //X[2] and X[3]
_calc_x2 = _mm_add_epi32(X2[2], X2[3]); //X[2] and X[3]
_calc_x3 = _mm_add_epi32(X3[2], X3[3]); //X[2] and X[3]
_shift_left = _mm_slli_epi32(_calc_x1, 13);
X1[1] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 13);
X2[1] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 13);
X3[1] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 13));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 13));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 13));
X1[1] ^= _calc_x1;
X2[1] ^= _calc_x2;
X3[1] ^= _calc_x3;
/* fourth rows X[0]=f(X1,X2) */
_calc_x1 = _mm_add_epi32(X1[1], X1[2]); //X[1] and X[2]
_calc_x2 = _mm_add_epi32(X2[1], X2[2]); //X[1] and X[2]
_calc_x3 = _mm_add_epi32(X3[1], X3[2]); //X[1] and X[2]
_shift_left = _mm_slli_epi32(_calc_x1, 18);
X1[0] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 18);
X2[0] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 18);
X3[0] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 18));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 18));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 18));
X1[0] ^= _calc_x1;
X2[0] ^= _calc_x2;
X3[0] ^= _calc_x3;
// transpose_matrix(row1, row2, row3, row4, row_to_column);
X1[3] = _mm_shuffle_epi32(X1[3],0x93); //x[3]
X2[3] = _mm_shuffle_epi32(X2[3],0x93); //x[3]
X3[3] = _mm_shuffle_epi32(X3[3],0x93); //x[3]
X1[2] = _mm_shuffle_epi32(X1[2],0x4e); //x[2]
X2[2] = _mm_shuffle_epi32(X2[2],0x4e); //x[2]
X3[2] = _mm_shuffle_epi32(X3[2],0x4e); //x[2]
X1[1] = _mm_shuffle_epi32(X1[1],0x39); //x[1]
X2[1] = _mm_shuffle_epi32(X2[1],0x39); //x[1]
X3[1] = _mm_shuffle_epi32(X3[1],0x39); //x[1]
// end transpose
// switch *calc_13 and * calc_7 usage compared to rows
/* first column X[1]=f(X0,X3) */
_calc_x1 = _mm_add_epi32(X1[0], X1[3]); //X[0] and X[3]
_calc_x2 = _mm_add_epi32(X2[0], X2[3]); //X[0] and X[3]
_calc_x3 = _mm_add_epi32(X3[0], X3[3]); //X[0] and X[3]
_shift_left = _mm_slli_epi32(_calc_x1, 7);
X1[1] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 7);
X2[1] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 7);
X3[1] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 7));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 7));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 7));
X1[1] ^= _calc_x1;
X2[1] ^= _calc_x2;
X3[1] ^= _calc_x3;
/* second column X[2]=f(X1,X0) */
_calc_x1 = _mm_add_epi32(X1[1], X1[0]); //X[1] and X[0]
_calc_x2 = _mm_add_epi32(X2[1], X2[0]); //X[1] and X[0]
_calc_x3 = _mm_add_epi32(X3[1], X3[0]); //X[1] and X[0]
_shift_left = _mm_slli_epi32(_calc_x1, 9);
X1[2] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 9);
X2[2] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 9);
X3[2] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 9));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 9));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 9));
X1[2] ^= _calc_x1;
X2[2] ^= _calc_x2;
X3[2] ^= _calc_x3;
/* third column X[3]=f(X2,X1) */
_calc_x1 = _mm_add_epi32(X1[2], X1[1]); //X[2] and X[1]
_calc_x2 = _mm_add_epi32(X2[2], X2[1]); //X[2] and X[1]
_calc_x3 = _mm_add_epi32(X3[2], X3[1]); //X[2] and X[1]
_shift_left = _mm_slli_epi32(_calc_x1, 13);
X1[3] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 13);
X2[3] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 13);
X3[3] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 13));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 13));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 13));
X1[3] ^= _calc_x1;
X2[3] ^= _calc_x2;
X3[3] ^= _calc_x3;
/* fourth column X[0]=f(X3,X2) */
_calc_x1 = _mm_add_epi32(X1[3], X1[2]); //X[3] and X[2]
_calc_x2 = _mm_add_epi32(X2[3], X2[2]); //X[3] and X[2]
_calc_x3 = _mm_add_epi32(X3[3], X3[2]); //X[3] and X[2]
_shift_left = _mm_slli_epi32(_calc_x1, 18);
X1[0] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 18);
X2[0] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 18);
X3[0] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 18));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 18));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 18));
X1[0] ^= _calc_x1; //X[0]
X2[0] ^= _calc_x2; //X[0]
X3[0] ^= _calc_x3; //X[0]
// transpose_matrix(row1, row2, row3, row4, row_to_column);
X1[3] = _mm_shuffle_epi32(X1[3],0x39); //x[3]
X2[3] = _mm_shuffle_epi32(X2[3],0x39); //x[3]
X3[3] = _mm_shuffle_epi32(X3[3],0x39); //x[3]
X1[2] = _mm_shuffle_epi32(X1[2],0x4e); //x[2]
X2[2] = _mm_shuffle_epi32(X2[2],0x4e); //x[2]
X3[2] = _mm_shuffle_epi32(X3[2],0x4e); //x[2]
X1[1] = _mm_shuffle_epi32(X1[1],0x93); //x[1]
X2[1] = _mm_shuffle_epi32(X2[1],0x93); //x[1]
X3[1] = _mm_shuffle_epi32(X3[1],0x93); //x[1]
// end transpose
}
calc_11[0] = _mm_add_epi32(calc_11[0], X1[0]);
calc_11[1] = _mm_add_epi32(calc_11[1], X1[1]);
calc_11[2] = _mm_add_epi32(calc_11[2], X1[2]);
calc_11[3] = _mm_add_epi32(calc_11[3], X1[3]);
calc_21[0] = _mm_add_epi32(calc_21[0], X2[0]);
calc_21[1] = _mm_add_epi32(calc_21[1], X2[1]);
calc_21[2] = _mm_add_epi32(calc_21[2], X2[2]);
calc_21[3] = _mm_add_epi32(calc_21[3], X2[3]);
calc_31[0] = _mm_add_epi32(calc_31[0], X3[0]);
calc_31[1] = _mm_add_epi32(calc_31[1], X3[1]);
calc_31[2] = _mm_add_epi32(calc_31[2], X3[2]);
calc_31[3] = _mm_add_epi32(calc_31[3], X3[3]);
}
static inline void scrypt_core_sidm_3way(uint32_t *X /*, uint32_t *V*/)
{
uint32_t i, j;
__m128i scratch[1024 * 8 * 3];
__m128i *SourcePtr = (__m128i*) X;
__m128i X11[4];
__m128i X12[4];
__m128i X21[4];
__m128i X22[4];
__m128i X31[4];
__m128i X32[4];
__m128i *calc_11 = (__m128i*) X11;
__m128i *calc_21 = (__m128i*) X21;
__m128i *calc_31 = (__m128i*) X31;
__m128i *calc_12 = (__m128i*) X12;
__m128i *calc_22 = (__m128i*) X22;
__m128i *calc_32 = (__m128i*) X32;
__m128i _calc5;
__m128i _calc6;
__m128i _calc7;
__m128i _calc8;
// working with multiple pointers for the scratch-pad results in minimized instruction count.
__m128i *scratchPrt1 = &scratch[0];
__m128i *scratchPrt2 = &scratch[1];
__m128i *scratchPrt3 = &scratch[2];
__m128i *scratchPrt4 = &scratch[3];
__m128i *scratchPrt5 = &scratch[4];
__m128i *scratchPrt6 = &scratch[5];
__m128i *scratchPrt7 = &scratch[6];
__m128i *scratchPrt8 = &scratch[7];
/* transpose the data from *X1x */
_calc5 =_mm_blend_epi16(SourcePtr[0], SourcePtr[2], 0xf0);
_calc6 =_mm_blend_epi16(SourcePtr[1], SourcePtr[3], 0x0f);
_calc7 =_mm_blend_epi16(SourcePtr[2], SourcePtr[0], 0xf0);
_calc8 =_mm_blend_epi16(SourcePtr[3], SourcePtr[1], 0x0f);
calc_11[0] = _mm_blend_epi16(_calc5, _calc8, 0xcc);
calc_11[1] = _mm_blend_epi16(_calc6, _calc5, 0xcc);
calc_11[2] = _mm_blend_epi16(_calc7, _calc6, 0xcc);
calc_11[3] = _mm_blend_epi16(_calc8, _calc7, 0xcc);
_calc5 =_mm_blend_epi16(SourcePtr[4], SourcePtr[6], 0xf0);
_calc6 =_mm_blend_epi16(SourcePtr[5], SourcePtr[7], 0x0f);
_calc7 =_mm_blend_epi16(SourcePtr[6], SourcePtr[4], 0xf0);
_calc8 =_mm_blend_epi16(SourcePtr[7], SourcePtr[5], 0x0f);
calc_12[0] = _mm_blend_epi16(_calc5, _calc8, 0xcc);
calc_12[1] = _mm_blend_epi16(_calc6, _calc5, 0xcc);
calc_12[2] = _mm_blend_epi16(_calc7, _calc6, 0xcc);
calc_12[3] = _mm_blend_epi16(_calc8, _calc7, 0xcc);
/* transpose the data from *X2x */
_calc5 =_mm_blend_epi16(SourcePtr[8], SourcePtr[10], 0xf0);
_calc6 =_mm_blend_epi16(SourcePtr[9], SourcePtr[11], 0x0f);
_calc7 =_mm_blend_epi16(SourcePtr[10], SourcePtr[8], 0xf0);
_calc8 =_mm_blend_epi16(SourcePtr[11], SourcePtr[9], 0x0f);
calc_21[0] = _mm_blend_epi16(_calc5, _calc8, 0xcc);
calc_21[1] = _mm_blend_epi16(_calc6, _calc5, 0xcc);
calc_21[2] = _mm_blend_epi16(_calc7, _calc6, 0xcc);
calc_21[3] = _mm_blend_epi16(_calc8, _calc7, 0xcc);
_calc5 =_mm_blend_epi16(SourcePtr[12], SourcePtr[14], 0xf0);
_calc6 =_mm_blend_epi16(SourcePtr[13], SourcePtr[15], 0x0f);
_calc7 =_mm_blend_epi16(SourcePtr[14], SourcePtr[12], 0xf0);
_calc8 =_mm_blend_epi16(SourcePtr[15], SourcePtr[13], 0x0f);
calc_22[0] = _mm_blend_epi16(_calc5, _calc8, 0xcc);
calc_22[1] = _mm_blend_epi16(_calc6, _calc5, 0xcc);
calc_22[2] = _mm_blend_epi16(_calc7, _calc6, 0xcc);
calc_22[3] = _mm_blend_epi16(_calc8, _calc7, 0xcc);
/* transpose the data from *X3x */
_calc5 =_mm_blend_epi16(SourcePtr[16], SourcePtr[18], 0xf0);
_calc6 =_mm_blend_epi16(SourcePtr[17], SourcePtr[19], 0x0f);
_calc7 =_mm_blend_epi16(SourcePtr[18], SourcePtr[16], 0xf0);
_calc8 =_mm_blend_epi16(SourcePtr[19], SourcePtr[17], 0x0f);
calc_31[0] = _mm_blend_epi16(_calc5, _calc8, 0xcc);
calc_31[1] = _mm_blend_epi16(_calc6, _calc5, 0xcc);
calc_31[2] = _mm_blend_epi16(_calc7, _calc6, 0xcc);
calc_31[3] = _mm_blend_epi16(_calc8, _calc7, 0xcc);
_calc5 =_mm_blend_epi16(SourcePtr[20], SourcePtr[22], 0xf0);
_calc6 =_mm_blend_epi16(SourcePtr[21], SourcePtr[23], 0x0f);
_calc7 =_mm_blend_epi16(SourcePtr[22], SourcePtr[20], 0xf0);
_calc8 =_mm_blend_epi16(SourcePtr[23], SourcePtr[21], 0x0f);
calc_32[0] = _mm_blend_epi16(_calc5, _calc8, 0xcc);
calc_32[1] = _mm_blend_epi16(_calc6, _calc5, 0xcc);
calc_32[2] = _mm_blend_epi16(_calc7, _calc6, 0xcc);
calc_32[3] = _mm_blend_epi16(_calc8, _calc7, 0xcc);
for (i = 0; i < 1024; i++) {
for (j=0; j<4; j++){
scratch[i * 24 + 0 + j] = calc_11[j];
scratch[i * 24 + 4 + j] = calc_12[j];
scratch[i * 24 + 8 + j] = calc_21[j];
scratch[i * 24 + 12 + j] = calc_22[j];
scratch[i * 24 + 16 + j] = calc_31[j];
scratch[i * 24 + 20 + j] = calc_32[j];
}
calc_11[0] ^= calc_12[0];
calc_11[1] ^= calc_12[1];
calc_11[2] ^= calc_12[2];
calc_11[3] ^= calc_12[3];
calc_21[0] ^= calc_22[0];
calc_21[1] ^= calc_22[1];
calc_21[2] ^= calc_22[2];
calc_21[3] ^= calc_22[3];
calc_31[0] ^= calc_32[0];
calc_31[1] ^= calc_32[1];
calc_31[2] ^= calc_32[2];
calc_31[3] ^= calc_32[3];
xor_salsa_sidm_3way(calc_11, calc_21, calc_31);
calc_12[0] ^= calc_11[0];
calc_12[1] ^= calc_11[1];
calc_12[2] ^= calc_11[2];
calc_12[3] ^= calc_11[3];
calc_22[0] ^= calc_21[0];
calc_22[1] ^= calc_21[1];
calc_22[2] ^= calc_21[2];
calc_22[3] ^= calc_21[3];
calc_32[0] ^= calc_31[0];
calc_32[1] ^= calc_31[1];
calc_32[2] ^= calc_31[2];
calc_32[3] ^= calc_31[3];
xor_salsa_sidm_3way(calc_12, calc_22, calc_32);
}
for (i = 0; i < 1024; i++) {
j = 24 * (_mm_extract_epi16(calc_12[0],0x00) & 1023);
calc_11[0] ^= scratchPrt1[j];
calc_11[1] ^= scratchPrt2[j];
calc_11[2] ^= scratchPrt3[j];
calc_11[3] ^= scratchPrt4[j];
calc_12[0] ^= scratchPrt5[j];
calc_12[1] ^= scratchPrt6[j];
calc_12[2] ^= scratchPrt7[j];
calc_12[3] ^= scratchPrt8[j];
j = 8 + 24 * (_mm_extract_epi16(calc_22[0],0x00) & 1023);
calc_21[0] ^= scratchPrt1[j];
calc_21[1] ^= scratchPrt2[j];
calc_21[2] ^= scratchPrt3[j];
calc_21[3] ^= scratchPrt4[j];
calc_22[0] ^= scratchPrt5[j];
calc_22[1] ^= scratchPrt6[j];
calc_22[2] ^= scratchPrt7[j];
calc_22[3] ^= scratchPrt8[j];
j = 16 + 24 * (_mm_extract_epi16(calc_32[0],0x00) & 1023);
calc_31[0] ^= scratchPrt1[j];
calc_31[1] ^= scratchPrt2[j];
calc_31[2] ^= scratchPrt3[j];
calc_31[3] ^= scratchPrt4[j];
calc_32[0] ^= scratchPrt5[j];
calc_32[1] ^= scratchPrt6[j];
calc_32[2] ^= scratchPrt7[j];
calc_32[3] ^= scratchPrt8[j];
calc_11[0] ^= calc_12[0];
calc_11[1] ^= calc_12[1];
calc_11[2] ^= calc_12[2];
calc_11[3] ^= calc_12[3];
calc_21[0] ^= calc_22[0];
calc_21[1] ^= calc_22[1];
calc_21[2] ^= calc_22[2];
calc_21[3] ^= calc_22[3];
calc_31[0] ^= calc_32[0];
calc_31[1] ^= calc_32[1];
calc_31[2] ^= calc_32[2];
calc_31[3] ^= calc_32[3];
xor_salsa_sidm_3way(calc_11, calc_21, calc_31);
calc_12[0] ^= calc_11[0];
calc_12[1] ^= calc_11[1];
calc_12[2] ^= calc_11[2];
calc_12[3] ^= calc_11[3];
calc_22[0] ^= calc_21[0];
calc_22[1] ^= calc_21[1];
calc_22[2] ^= calc_21[2];
calc_22[3] ^= calc_21[3];
calc_32[0] ^= calc_31[0];
calc_32[1] ^= calc_31[1];
calc_32[2] ^= calc_31[2];
calc_32[3] ^= calc_31[3];
xor_salsa_sidm_3way(calc_12, calc_22, calc_32);
}
// return the valueś to X
_calc5 =_mm_blend_epi16(calc_11[0], calc_11[2], 0xf0);
_calc6 =_mm_blend_epi16(calc_11[1], calc_11[3], 0x0f);
_calc7 =_mm_blend_epi16(calc_11[2], calc_11[0], 0xf0);
_calc8 =_mm_blend_epi16(calc_11[3], calc_11[1], 0x0f);
SourcePtr[0] = _mm_blend_epi16(_calc5, _calc8, 0xcc);
SourcePtr[1] = _mm_blend_epi16(_calc6, _calc5, 0xcc);
SourcePtr[2] = _mm_blend_epi16(_calc7, _calc6, 0xcc);
SourcePtr[3] = _mm_blend_epi16(_calc8, _calc7, 0xcc);
_calc5 =_mm_blend_epi16(calc_12[0], calc_12[2], 0xf0);
_calc6 =_mm_blend_epi16(calc_12[1], calc_12[3], 0x0f);
_calc7 =_mm_blend_epi16(calc_12[2], calc_12[0], 0xf0);
_calc8 =_mm_blend_epi16(calc_12[3], calc_12[1], 0x0f);
SourcePtr[4] = _mm_blend_epi16(_calc5, _calc8, 0xcc);
SourcePtr[5] = _mm_blend_epi16(_calc6, _calc5, 0xcc);
SourcePtr[6] = _mm_blend_epi16(_calc7, _calc6, 0xcc);
SourcePtr[7] = _mm_blend_epi16(_calc8, _calc7, 0xcc);
_calc5 =_mm_blend_epi16(calc_21[0], calc_21[2], 0xf0);
_calc6 =_mm_blend_epi16(calc_21[1], calc_21[3], 0x0f);
_calc7 =_mm_blend_epi16(calc_21[2], calc_21[0], 0xf0);
_calc8 =_mm_blend_epi16(calc_21[3], calc_21[1], 0x0f);
SourcePtr[8] = _mm_blend_epi16(_calc5, _calc8, 0xcc);
SourcePtr[9] = _mm_blend_epi16(_calc6, _calc5, 0xcc);
SourcePtr[10] = _mm_blend_epi16(_calc7, _calc6, 0xcc);
SourcePtr[11] = _mm_blend_epi16(_calc8, _calc7, 0xcc);
_calc5 =_mm_blend_epi16(calc_22[0], calc_22[2], 0xf0);
_calc6 =_mm_blend_epi16(calc_22[1], calc_22[3], 0x0f);
_calc7 =_mm_blend_epi16(calc_22[2], calc_22[0], 0xf0);
_calc8 =_mm_blend_epi16(calc_22[3], calc_22[1], 0x0f);
SourcePtr[12] = _mm_blend_epi16(_calc5, _calc8, 0xcc);
SourcePtr[13] = _mm_blend_epi16(_calc6, _calc5, 0xcc);
SourcePtr[14] = _mm_blend_epi16(_calc7, _calc6, 0xcc);
SourcePtr[15] = _mm_blend_epi16(_calc8, _calc7, 0xcc);
_calc5 =_mm_blend_epi16(calc_31[0], calc_31[2], 0xf0);
_calc6 =_mm_blend_epi16(calc_31[1], calc_31[3], 0x0f);
_calc7 =_mm_blend_epi16(calc_31[2], calc_31[0], 0xf0);
_calc8 =_mm_blend_epi16(calc_31[3], calc_31[1], 0x0f);
SourcePtr[16] = _mm_blend_epi16(_calc5, _calc8, 0xcc);
SourcePtr[17] = _mm_blend_epi16(_calc6, _calc5, 0xcc);
SourcePtr[18] = _mm_blend_epi16(_calc7, _calc6, 0xcc);
SourcePtr[19] = _mm_blend_epi16(_calc8, _calc7, 0xcc);
_calc5 =_mm_blend_epi16(calc_32[0], calc_32[2], 0xf0);
_calc6 =_mm_blend_epi16(calc_32[1], calc_32[3], 0x0f);
_calc7 =_mm_blend_epi16(calc_32[2], calc_32[0], 0xf0);
_calc8 =_mm_blend_epi16(calc_32[3], calc_32[1], 0x0f);
SourcePtr[20] = _mm_blend_epi16(_calc5, _calc8, 0xcc);
SourcePtr[21] = _mm_blend_epi16(_calc6, _calc5, 0xcc);
SourcePtr[22] = _mm_blend_epi16(_calc7, _calc6, 0xcc);
SourcePtr[23] = _mm_blend_epi16(_calc8, _calc7, 0xcc);
}
static inline void xor_salsa_sidm_4way(__m128i *calc_11, __m128i *calc_21, __m128i *calc_31, __m128i *calc_41)
{
int i;
__m128i _calc_x1;
__m128i _calc_x2;
__m128i _calc_x3;
__m128i _calc_x4;
__m128i _shift_left;
__m128i X1[4]; // = _mm_xor_si128(*calc_18, *calc_1);;
__m128i X2[4]; // = _mm_xor_si128(*calc_7, *calc_2);;
__m128i X3[4]; // = _mm_xor_si128(*calc_9, *calc_3);;
__m128i X4[4]; // = _mm_xor_si128(*calc_9, *calc_3);;
X1[0] = calc_11[0];
X1[1] = calc_11[1];
X1[2] = calc_11[2];
X1[3] = calc_11[3];
X2[0] = calc_21[0];
X2[1] = calc_21[1];
X2[2] = calc_21[2];
X2[3] = calc_21[3];
X3[0] = calc_31[0];
X3[1] = calc_31[1];
X3[2] = calc_31[2];
X3[3] = calc_31[3];
X4[0] = calc_41[0];
X4[1] = calc_41[1];
X4[2] = calc_41[2];
X4[3] = calc_41[3];
// row1 = *calc_18;
// row2 = *calc_7;
// row3 = *calc_9;
// row4 = *calc_13;
// X1 = *calc_18;
// X2 = *calc_7;
// X3 = *calc_9;
// X4 = *calc_13;
for (i = 0; i < 8; i += 2) {
/* first row X[3]=f(X0,X1) */
_calc_x1 = _mm_add_epi32(X1[0], X1[1]); //X[0] and X[1]
_calc_x2 = _mm_add_epi32(X2[0], X2[1]); //X[0] and X[1]
_calc_x3 = _mm_add_epi32(X3[0], X3[1]); //X[0] and X[1]
_calc_x4 = _mm_add_epi32(X4[0], X4[1]); //X[0] and X[1]
_shift_left = _mm_slli_epi32(_calc_x1, 7);
X1[3] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 7);
X2[3] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 7);
X3[3] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x4, 7);
X4[3] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 7));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 7));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 7));
_calc_x4 = _mm_srli_epi32(_calc_x4,(32 - 7));
X1[3] ^= _calc_x1;
X2[3] ^= _calc_x2;
X3[3] ^= _calc_x3;
X4[3] ^= _calc_x4;
/* second rows X[2]=f(X3,X0) */
_calc_x1 = _mm_add_epi32(X1[3], X1[0]); //X[3] and X[0]
_calc_x2 = _mm_add_epi32(X2[3], X2[0]); //X[3] and X[0]
_calc_x3 = _mm_add_epi32(X3[3], X3[0]); //X[3] and X[0]
_calc_x4 = _mm_add_epi32(X4[3], X4[0]); //X[3] and X[0]
_shift_left = _mm_slli_epi32(_calc_x1, 9);
X1[2] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 9);
X2[2] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 9);
X3[2] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x4, 9);
X4[2] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 9));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 9));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 9));
_calc_x4 = _mm_srli_epi32(_calc_x4,(32 - 9));
X1[2] ^= _calc_x1;
X2[2] ^= _calc_x2;
X3[2] ^= _calc_x3;
X4[2] ^= _calc_x4;
/* third rows X[1]=f(X2,X3) */
_calc_x1 = _mm_add_epi32(X1[2], X1[3]); //X[2] and X[3]
_calc_x2 = _mm_add_epi32(X2[2], X2[3]); //X[2] and X[3]
_calc_x3 = _mm_add_epi32(X3[2], X3[3]); //X[2] and X[3]
_calc_x4 = _mm_add_epi32(X4[2], X4[3]); //X[2] and X[3]
_shift_left = _mm_slli_epi32(_calc_x1, 13);
X1[1] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 13);
X2[1] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 13);
X3[1] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x4, 13);
X4[1] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 13));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 13));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 13));
_calc_x4 = _mm_srli_epi32(_calc_x4,(32 - 13));
X1[1] ^= _calc_x1;
X2[1] ^= _calc_x2;
X3[1] ^= _calc_x3;
X4[1] ^= _calc_x4;
/* fourth rows X[0]=f(X1,X2) */
_calc_x1 = _mm_add_epi32(X1[1], X1[2]); //X[1] and X[2]
_calc_x2 = _mm_add_epi32(X2[1], X2[2]); //X[1] and X[2]
_calc_x3 = _mm_add_epi32(X3[1], X3[2]); //X[1] and X[2]
_calc_x4 = _mm_add_epi32(X4[1], X4[2]); //X[1] and X[2]
_shift_left = _mm_slli_epi32(_calc_x1, 18);
X1[0] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 18);
X2[0] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 18);
X3[0] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x4, 18);
X4[0] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 18));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 18));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 18));
_calc_x4 = _mm_srli_epi32(_calc_x4,(32 - 18));
X1[0] ^= _calc_x1;
X2[0] ^= _calc_x2;
X3[0] ^= _calc_x3;
X4[0] ^= _calc_x4;
// transpose_matrix(row1, row2, row3, row4, row_to_column);
X1[3] = _mm_shuffle_epi32(X1[3],0x93); //x[3]
X2[3] = _mm_shuffle_epi32(X2[3],0x93); //x[3]
X3[3] = _mm_shuffle_epi32(X3[3],0x93); //x[3]
X4[3] = _mm_shuffle_epi32(X4[3],0x93); //x[3]
X1[2] = _mm_shuffle_epi32(X1[2],0x4e); //x[2]
X2[2] = _mm_shuffle_epi32(X2[2],0x4e); //x[2]
X3[2] = _mm_shuffle_epi32(X3[2],0x4e); //x[2]
X4[2] = _mm_shuffle_epi32(X4[2],0x4e); //x[2]
X1[1] = _mm_shuffle_epi32(X1[1],0x39); //x[1]
X2[1] = _mm_shuffle_epi32(X2[1],0x39); //x[1]
X3[1] = _mm_shuffle_epi32(X3[1],0x39); //x[1]
X4[1] = _mm_shuffle_epi32(X4[1],0x39); //x[1]
// end transpose
// switch *calc_13 and * calc_7 usage compared to rows
/* first column X[1]=f(X0,X3) */
_calc_x1 = _mm_add_epi32(X1[0], X1[3]); //X[0] and X[3]
_calc_x2 = _mm_add_epi32(X2[0], X2[3]); //X[0] and X[3]
_calc_x3 = _mm_add_epi32(X3[0], X3[3]); //X[0] and X[3]
_calc_x4 = _mm_add_epi32(X4[0], X4[3]); //X[0] and X[3]
_shift_left = _mm_slli_epi32(_calc_x1, 7);
X1[1] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 7);
X2[1] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 7);
X3[1] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x4, 7);
X4[1] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 7));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 7));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 7));
_calc_x4 = _mm_srli_epi32(_calc_x4,(32 - 7));
X1[1] ^= _calc_x1;
X2[1] ^= _calc_x2;
X3[1] ^= _calc_x3;
X4[1] ^= _calc_x4;
/* second column X[2]=f(X1,X0) */
_calc_x1 = _mm_add_epi32(X1[1], X1[0]); //X[1] and X[0]
_calc_x2 = _mm_add_epi32(X2[1], X2[0]); //X[1] and X[0]
_calc_x3 = _mm_add_epi32(X3[1], X3[0]); //X[1] and X[0]
_calc_x4 = _mm_add_epi32(X4[1], X4[0]); //X[1] and X[0]
_shift_left = _mm_slli_epi32(_calc_x1, 9);
X1[2] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 9);
X2[2] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 9);
X3[2] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x4, 9);
X4[2] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 9));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 9));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 9));
_calc_x4 = _mm_srli_epi32(_calc_x4,(32 - 9));
X1[2] ^= _calc_x1;
X2[2] ^= _calc_x2;
X3[2] ^= _calc_x3;
X4[2] ^= _calc_x4;
/* third column X[3]=f(X2,X1) */
_calc_x1 = _mm_add_epi32(X1[2], X1[1]); //X[2] and X[1]
_calc_x2 = _mm_add_epi32(X2[2], X2[1]); //X[2] and X[1]
_calc_x3 = _mm_add_epi32(X3[2], X3[1]); //X[2] and X[1]
_calc_x4 = _mm_add_epi32(X4[2], X4[1]); //X[2] and X[1]
_shift_left = _mm_slli_epi32(_calc_x1, 13);
X1[3] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 13);
X2[3] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 13);
X3[3] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x4, 13);
X4[3] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 13));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 13));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 13));
_calc_x4 = _mm_srli_epi32(_calc_x4,(32 - 13));
X1[3] ^= _calc_x1;
X2[3] ^= _calc_x2;
X3[3] ^= _calc_x3;
X4[3] ^= _calc_x4;
/* fourth column X[0]=f(X3,X2) */
_calc_x1 = _mm_add_epi32(X1[3], X1[2]); //X[3] and X[2]
_calc_x2 = _mm_add_epi32(X2[3], X2[2]); //X[3] and X[2]
_calc_x3 = _mm_add_epi32(X3[3], X3[2]); //X[3] and X[2]
_calc_x4 = _mm_add_epi32(X4[3], X4[2]); //X[3] and X[2]
_shift_left = _mm_slli_epi32(_calc_x1, 18);
X1[0] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x2, 18);
X2[0] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x3, 18);
X3[0] ^= _shift_left;
_shift_left = _mm_slli_epi32(_calc_x4, 18);
X4[0] ^= _shift_left;
_calc_x1 = _mm_srli_epi32(_calc_x1,(32 - 18));
_calc_x2 = _mm_srli_epi32(_calc_x2,(32 - 18));
_calc_x3 = _mm_srli_epi32(_calc_x3,(32 - 18));
_calc_x4 = _mm_srli_epi32(_calc_x4,(32 - 18));
X1[0] ^= _calc_x1; //X[0]
X2[0] ^= _calc_x2; //X[0]
X3[0] ^= _calc_x3; //X[0]
X4[0] ^= _calc_x4; //X[0]
// transpose_matrix(row1, row2, row3, row4, row_to_column);
X1[3] = _mm_shuffle_epi32(X1[3],0x39); //x[3]