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v25.7

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Jay D Dee
2025-11-15 10:44:32 -05:00
parent 12480a3ea5
commit 8f2f9ec3e9
26 changed files with 474 additions and 452 deletions
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19
algo/swifftx/swifftx.c
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@@ -640,24 +640,25 @@ void FFT( const unsigned char input[EIGHTH_N], swift_int32_t *output )
#if defined(__AVX2__)
__m256i F0, F1, F2, F3, F4, F5, F6, F7;
__m256i tbl = *(__m256i*)&( fftTable[ input[0] << 3 ] );
__m256i *table = (__m256i*)fftTable;
__m256i tbl = table[ input[0] ];
__m256i *mul = (__m256i*)multipliers;
__m256i *out = (__m256i*)output;
F0 = _mm256_mullo_epi32( mul[0], tbl );
tbl = *(__m256i*)&( fftTable[ input[1] << 3 ] );
tbl = table[ input[1] ];
F1 = _mm256_mullo_epi32( mul[1], tbl );
tbl = *(__m256i*)&( fftTable[ input[2] << 3 ] );
tbl = table[ input[2] ];
F2 = _mm256_mullo_epi32( mul[2], tbl );
tbl = *(__m256i*)&( fftTable[ input[3] << 3 ] );
tbl = table[ input[3] ];
F3 = _mm256_mullo_epi32( mul[3], tbl );
tbl = *(__m256i*)&( fftTable[ input[4] << 3 ] );
tbl = table[ input[4] ];
F4 = _mm256_mullo_epi32( mul[4], tbl );
tbl = *(__m256i*)&( fftTable[ input[5] << 3 ] );
tbl = table[ input[5] ];
F5 = _mm256_mullo_epi32( mul[5], tbl );
tbl = *(__m256i*)&( fftTable[ input[6] << 3 ] );
tbl = table[ input[6] ];
F6 = _mm256_mullo_epi32( mul[6], tbl );
tbl = *(__m256i*)&( fftTable[ input[7] << 3 ] );
tbl = table[ input[7] ];
F7 = _mm256_mullo_epi32( mul[7], tbl );
#define ADD_SUB( a, b ) \
@@ -677,9 +678,9 @@ void FFT( const unsigned char input[EIGHTH_N], swift_int32_t *output )
ADD_SUB( F1, F3 );
ADD_SUB( F4, F6 );
ADD_SUB( F5, F7 );
F5 = _mm256_slli_epi32( F5, 2 );
F6 = _mm256_slli_epi32( F6, 4 );
F7 = _mm256_slli_epi32( F7, 6 );
F5 = _mm256_slli_epi32( F5, 2 );
ADD_SUB( F0, F4 );
ADD_SUB( F1, F5 );
ADD_SUB( F2, F6 );