#include "crypto_encode_953x2115.h" #include /* auto-generated; do not edit */ #define int16 int16_t #define uint16 uint16_t #define uint32 uint32_t void PQCLEAN_SNTRUP953_AVX2_crypto_encode_953x2115(unsigned char *out, const void *v) { const int16 *R0 = v; /* XXX: caller could overlap R with input */ uint16 R[477]; long i; const uint16 *reading; uint16 *writing; uint16 r0, r1; uint32 r2; uint32 s0; reading = (uint16 *) R0; writing = R; i = 30; 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(3171)); x2 = _mm256_add_epi16(x2, _mm256_set1_epi16(3171)); x &= _mm256_set1_epi16(16383); x2 &= _mm256_set1_epi16(16383); x = _mm256_mulhi_epi16(x, _mm256_set1_epi16(21846)); x2 = _mm256_mulhi_epi16(x2, _mm256_set1_epi16(21846)); 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(2115)); x2 = _mm256_mullo_epi32(x2, _mm256_set1_epi32(2115)); 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[476] = (uint16) ((((R0[952] + 3171) & 16383) * 10923) >> 15); for (i = 0; i < 238; ++i) { r0 = R[2 * i]; r1 = R[2 * i + 1]; r2 = r0 + r1 * (uint32)69; R[i] = (uint16) r2; } R[238] = R[476]; reading = (uint16 *) R; writing = R; i = 8; while (i > 0) { __m256i x, x2, y, y2; --i; if (!i) { reading -= 18; writing -= 9; out -= 18; } 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(4761)); x2 = _mm256_mullo_epi32(x2, _mm256_set1_epi32(4761)); 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[119] = R[238]; reading = (uint16 *) R; writing = R; i = 8; while (i > 0) { __m256i x, y; --i; if (!i) { reading -= 8; writing -= 4; out -= 4; } 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(346)); 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)); s0 = (uint32) _mm256_extract_epi32(x, 4); *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 = (uint32) _mm256_extract_epi32(x, 6); *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; reading += 16; writing += 8; } reading = (uint16 *) R; writing = R; i = 4; 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(468)); 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)); s0 = (uint32) _mm256_extract_epi32(x, 4); *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 = (uint32) _mm256_extract_epi32(x, 6); *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; reading += 16; writing += 8; } reading = (uint16 *) R; writing = R; i = 2; 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(856)); 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)); s0 = (uint32) _mm256_extract_epi32(x, 4); *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 = (uint32) _mm256_extract_epi32(x, 6); *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; s0 >>= 8; *out++ = (unsigned char) s0; reading += 16; writing += 8; } r0 = R[28]; r1 = R[29]; r2 = r0 + r1 * (uint32)856; *out++ = (unsigned char) r2; r2 >>= 8; *out++ = (unsigned char) r2; r2 >>= 8; R[14] = (uint16) r2; for (i = 0; i < 7; ++i) { r0 = R[2 * i]; r1 = R[2 * i + 1]; r2 = r0 + r1 * (uint32)2863; *out++ = (unsigned char) r2; r2 >>= 8; *out++ = (unsigned char) r2; r2 >>= 8; R[i] = (uint16) r2; } R[7] = R[14]; for (i = 0; i < 4; ++i) { r0 = R[2 * i]; r1 = R[2 * i + 1]; r2 = r0 + r1 * (uint32)126; R[i] = (uint16) r2; } for (i = 0; i < 2; ++i) { r0 = R[2 * i]; r1 = R[2 * i + 1]; r2 = r0 + r1 * (uint32)15876; *out++ = (unsigned char) r2; r2 >>= 8; *out++ = (unsigned char) r2; r2 >>= 8; R[i] = (uint16) r2; } r0 = R[0]; r1 = R[1]; r2 = r0 + r1 * (uint32)3846; *out++ = (unsigned char) r2; r2 >>= 8; *out++ = (unsigned char) r2; r2 >>= 8; R[0] = (uint16) r2; r0 = R[0]; *out++ = (unsigned char) r0; }