#include "crypto_encode_761x4591.h" #include /* auto-generated; do not edit */ #define int16 int16_t #define uint16 uint16_t #define uint32 uint32_t void PQCLEAN_SNTRUP761_AVX2_crypto_encode_761x4591(unsigned char *out, const void *v) { const int16 *R0 = v; /* XXX: caller could overlap R with input */ uint16 R[381]; long i; const uint16 *reading; uint16 *writing; uint16 r0, r1; uint32 r2; uint32 s0; reading = (uint16 *) R0; writing = R; i = 24; 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(2295)); x2 = _mm256_add_epi16(x2, _mm256_set1_epi16(2295)); 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(4591)); x2 = _mm256_mullo_epi32(x2, _mm256_set1_epi32(4591)); 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[380] = ((R0[760] + 2295) & 16383); reading = (uint16 *) R; writing = R; i = 24; 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(322)); 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 = _mm256_extract_epi32(x, 4); *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; s0 = _mm256_extract_epi32(x, 6); *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; reading += 16; writing += 8; } R[190] = R[380]; reading = (uint16 *) R; writing = R; i = 12; while (i > 0) { __m256i x, y; --i; if (!i) { reading -= 2; writing -= 1; out -= 1; } 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(406)); 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 = _mm256_extract_epi32(x, 4); *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; s0 = _mm256_extract_epi32(x, 6); *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; reading += 16; writing += 8; } R[95] = R[190]; reading = (uint16 *) R; writing = R; i = 6; while (i > 0) { __m256i x, y; --i; 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(644)); 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 = _mm256_extract_epi32(x, 4); *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; s0 = _mm256_extract_epi32(x, 6); *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; reading += 16; writing += 8; } reading = (uint16 *) R; writing = R; i = 3; while (i > 0) { __m256i x, y; --i; if (!i) { reading -= 2; writing -= 1; out -= 1; } 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(1621)); 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 = _mm256_extract_epi32(x, 4); *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; s0 = _mm256_extract_epi32(x, 6); *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; s0 >>= 8; *out++ = s0; reading += 16; writing += 8; } r0 = R[46]; r1 = R[47]; r2 = r0 + r1 * (uint32)1621; *out++ = r2; r2 >>= 8; *out++ = r2; r2 >>= 8; R[23] = r2; for (i = 0; i < 11; ++i) { r0 = R[2 * i]; r1 = R[2 * i + 1]; r2 = r0 + r1 * (uint32)10265; *out++ = r2; r2 >>= 8; *out++ = r2; r2 >>= 8; R[i] = r2; } r0 = R[22]; r1 = R[23]; r2 = r0 + r1 * (uint32)10265; *out++ = r2; r2 >>= 8; R[11] = r2; for (i = 0; i < 5; ++i) { r0 = R[2 * i]; r1 = R[2 * i + 1]; r2 = r0 + r1 * (uint32)1608; *out++ = r2; r2 >>= 8; R[i] = r2; } r0 = R[10]; r1 = R[11]; r2 = r0 + r1 * (uint32)1608; *out++ = r2; r2 >>= 8; *out++ = r2; r2 >>= 8; R[5] = r2; for (i = 0; i < 2; ++i) { r0 = R[2 * i]; r1 = R[2 * i + 1]; r2 = r0 + r1 * (uint32)10101; *out++ = r2; r2 >>= 8; *out++ = r2; r2 >>= 8; R[i] = r2; } r0 = R[4]; r1 = R[5]; r2 = r0 + r1 * (uint32)10101; *out++ = r2; r2 >>= 8; R[2] = r2; r0 = R[0]; r1 = R[1]; r2 = r0 + r1 * (uint32)1557; *out++ = r2; r2 >>= 8; R[0] = r2; R[1] = R[2]; r0 = R[0]; r1 = R[1]; r2 = r0 + r1 * (uint32)9470; *out++ = r2; r2 >>= 8; *out++ = r2; r2 >>= 8; R[0] = r2; r0 = R[0]; *out++ = r0; r0 >>= 8; *out++ = r0; /*clang-analyzer-deadcode.DeadStores*/ /*r0 >>= 8;*/ }