-rw-r--r-- 7266 libntruprime-20240825/crypto_encode/857x5167/avx/encode.c raw
/* auto-generated; do not edit */
#include <immintrin.h>
#include "crypto_encode.h"
#include "crypto_int16.h"
#include "crypto_uint16.h"
#include "crypto_uint32.h"
#define int16 crypto_int16
#define uint16 crypto_uint16
#define uint32 crypto_uint32
void crypto_encode(unsigned char *out,const void *v)
{
const int16 *R0 = v;
/* XXX: caller could overlap R with input */
uint16 R[429];
long i;
const uint16 *reading;
uint16 *writing;
uint16 r0,r1;
uint32 r2;
reading = (uint16 *) R0;
writing = R;
i = 27;
while (i > 0) {
__m256i x,x2,y,y2;
--i;
if (!i) {
reading -= 8;
writing -= 4;
out -= 8;
}
x = _mm256_loadu_si256((__m256i *) (reading+0));
x2 = _mm256_loadu_si256((__m256i *) (reading+16));
x = _mm256_add_epi16(x,_mm256_set1_epi16(2583));
x2 = _mm256_add_epi16(x2,_mm256_set1_epi16(2583));
x &= _mm256_set1_epi16(16383);
x2 &= _mm256_set1_epi16(16383);
y = x & _mm256_set1_epi32(65535);
y2 = x2 & _mm256_set1_epi32(65535);
x = _mm256_srli_epi32(x,16);
x2 = _mm256_srli_epi32(x2,16);
x = _mm256_mullo_epi32(x,_mm256_set1_epi32(5167));
x2 = _mm256_mullo_epi32(x2,_mm256_set1_epi32(5167));
x = _mm256_add_epi32(y,x);
x2 = _mm256_add_epi32(y2,x2);
x = _mm256_shuffle_epi8(x,_mm256_set_epi8(
15,14,11,10,7,6,3,2,13,12,9,8,5,4,1,0,
15,14,11,10,7,6,3,2,13,12,9,8,5,4,1,0
));
x2 = _mm256_shuffle_epi8(x2,_mm256_set_epi8(
15,14,11,10,7,6,3,2,13,12,9,8,5,4,1,0,
15,14,11,10,7,6,3,2,13,12,9,8,5,4,1,0
));
x = _mm256_permute4x64_epi64(x,0xd8);
x2 = _mm256_permute4x64_epi64(x2,0xd8);
_mm256_storeu_si256((__m256i *) writing,_mm256_permute2f128_si256(x,x2,0x31));
_mm256_storeu_si256((__m256i *) out,_mm256_permute2f128_si256(x,x2,0x20));
reading += 32;
writing += 16;
out += 32;
}
R[428] = ((R0[856]+2583)&16383);
reading = (uint16 *) R;
writing = R;
i = 27;
while (i > 0) {
__m256i x,y;
--i;
if (!i) {
reading -= 4;
writing -= 2;
out -= 2;
}
x = _mm256_loadu_si256((__m256i *) reading);
y = x & _mm256_set1_epi32(65535);
x = _mm256_srli_epi32(x,16);
x = _mm256_mullo_epi32(x,_mm256_set1_epi32(408));
x = _mm256_add_epi32(y,x);
x = _mm256_shuffle_epi8(x,_mm256_set_epi8(
12,8,4,0,12,8,4,0,14,13,10,9,6,5,2,1,
12,8,4,0,12,8,4,0,14,13,10,9,6,5,2,1
));
x = _mm256_permute4x64_epi64(x,0xd8);
_mm_storeu_si128((__m128i *) writing,_mm256_extractf128_si256(x,0));
*((uint32 *) (out+0)) = _mm256_extract_epi32(x,4);
*((uint32 *) (out+4)) = _mm256_extract_epi32(x,6);
reading += 16;
writing += 8;
out += 8;
}
R[214] = R[428];
reading = (uint16 *) R;
writing = R;
i = 14;
while (i > 0) {
__m256i x,y;
--i;
if (!i) {
reading -= 10;
writing -= 5;
out -= 5;
}
x = _mm256_loadu_si256((__m256i *) reading);
y = x & _mm256_set1_epi32(65535);
x = _mm256_srli_epi32(x,16);
x = _mm256_mullo_epi32(x,_mm256_set1_epi32(651));
x = _mm256_add_epi32(y,x);
x = _mm256_shuffle_epi8(x,_mm256_set_epi8(
12,8,4,0,12,8,4,0,14,13,10,9,6,5,2,1,
12,8,4,0,12,8,4,0,14,13,10,9,6,5,2,1
));
x = _mm256_permute4x64_epi64(x,0xd8);
_mm_storeu_si128((__m128i *) writing,_mm256_extractf128_si256(x,0));
*((uint32 *) (out+0)) = _mm256_extract_epi32(x,4);
*((uint32 *) (out+4)) = _mm256_extract_epi32(x,6);
reading += 16;
writing += 8;
out += 8;
}
R[107] = R[214];
reading = (uint16 *) R;
writing = R;
i = 7;
while (i > 0) {
__m256i x,y;
--i;
if (!i) {
reading -= 6;
writing -= 3;
out -= 3;
}
x = _mm256_loadu_si256((__m256i *) reading);
y = x & _mm256_set1_epi32(65535);
x = _mm256_srli_epi32(x,16);
x = _mm256_mullo_epi32(x,_mm256_set1_epi32(1656));
x = _mm256_add_epi32(y,x);
x = _mm256_shuffle_epi8(x,_mm256_set_epi8(
12,8,4,0,12,8,4,0,14,13,10,9,6,5,2,1,
12,8,4,0,12,8,4,0,14,13,10,9,6,5,2,1
));
x = _mm256_permute4x64_epi64(x,0xd8);
_mm_storeu_si128((__m128i *) writing,_mm256_extractf128_si256(x,0));
*((uint32 *) (out+0)) = _mm256_extract_epi32(x,4);
*((uint32 *) (out+4)) = _mm256_extract_epi32(x,6);
reading += 16;
writing += 8;
out += 8;
}
r0 = R[106];
r1 = R[107];
r2 = r0+r1*(uint32)1656;
*out++ = r2; r2 >>= 8;
*out++ = r2; r2 >>= 8;
R[53] = r2;
reading = (uint16 *) R;
writing = R;
i = 2;
while (i > 0) {
__m256i x,x2,y,y2;
--i;
if (!i) {
reading -= 12;
writing -= 6;
out -= 12;
}
x = _mm256_loadu_si256((__m256i *) (reading+0));
x2 = _mm256_loadu_si256((__m256i *) (reading+16));
y = x & _mm256_set1_epi32(65535);
y2 = x2 & _mm256_set1_epi32(65535);
x = _mm256_srli_epi32(x,16);
x2 = _mm256_srli_epi32(x2,16);
x = _mm256_mullo_epi32(x,_mm256_set1_epi32(10713));
x2 = _mm256_mullo_epi32(x2,_mm256_set1_epi32(10713));
x = _mm256_add_epi32(y,x);
x2 = _mm256_add_epi32(y2,x2);
x = _mm256_shuffle_epi8(x,_mm256_set_epi8(
15,14,11,10,7,6,3,2,13,12,9,8,5,4,1,0,
15,14,11,10,7,6,3,2,13,12,9,8,5,4,1,0
));
x2 = _mm256_shuffle_epi8(x2,_mm256_set_epi8(
15,14,11,10,7,6,3,2,13,12,9,8,5,4,1,0,
15,14,11,10,7,6,3,2,13,12,9,8,5,4,1,0
));
x = _mm256_permute4x64_epi64(x,0xd8);
x2 = _mm256_permute4x64_epi64(x2,0xd8);
_mm256_storeu_si256((__m256i *) writing,_mm256_permute2f128_si256(x,x2,0x31));
_mm256_storeu_si256((__m256i *) out,_mm256_permute2f128_si256(x,x2,0x20));
reading += 32;
writing += 16;
out += 32;
}
r0 = R[52];
r1 = R[53];
r2 = r0+r1*(uint32)10713;
*out++ = r2; r2 >>= 8;
R[26] = r2;
reading = (uint16 *) R;
writing = R;
i = 2;
while (i > 0) {
__m256i x,y;
--i;
if (!i) {
reading -= 6;
writing -= 3;
out -= 3;
}
x = _mm256_loadu_si256((__m256i *) reading);
y = x & _mm256_set1_epi32(65535);
x = _mm256_srli_epi32(x,16);
x = _mm256_mullo_epi32(x,_mm256_set1_epi32(1752));
x = _mm256_add_epi32(y,x);
x = _mm256_shuffle_epi8(x,_mm256_set_epi8(
12,8,4,0,12,8,4,0,14,13,10,9,6,5,2,1,
12,8,4,0,12,8,4,0,14,13,10,9,6,5,2,1
));
x = _mm256_permute4x64_epi64(x,0xd8);
_mm_storeu_si128((__m128i *) writing,_mm256_extractf128_si256(x,0));
*((uint32 *) (out+0)) = _mm256_extract_epi32(x,4);
*((uint32 *) (out+4)) = _mm256_extract_epi32(x,6);
reading += 16;
writing += 8;
out += 8;
}
R[13] = R[26];
for (i = 0;i < 7;++i) {
r0 = R[2*i];
r1 = R[2*i+1];
r2 = r0+r1*(uint32)11991;
*out++ = r2; r2 >>= 8;
*out++ = r2; r2 >>= 8;
R[i] = r2;
}
for (i = 0;i < 3;++i) {
r0 = R[2*i];
r1 = R[2*i+1];
r2 = r0+r1*(uint32)2194;
*out++ = r2; r2 >>= 8;
*out++ = r2; r2 >>= 8;
R[i] = r2;
}
R[3] = R[6];
r0 = R[0];
r1 = R[1];
r2 = r0+r1*(uint32)74;
R[0] = r2;
r0 = R[2];
r1 = R[3];
r2 = r0+r1*(uint32)74;
*out++ = r2; r2 >>= 8;
R[1] = r2;
r0 = R[0];
r1 = R[1];
r2 = r0+r1*(uint32)5476;
*out++ = r2; r2 >>= 8;
R[0] = r2;
r0 = R[0];
*out++ = r0; r0 >>= 8;
*out++ = r0; r0 >>= 8;
}