mirror of
https://github.com/oxen-io/lokinet.git
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104 lines
6.6 KiB
C
104 lines
6.6 KiB
C
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#ifndef blake2b_compress_ssse3_H
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#define blake2b_compress_ssse3_H
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#define LOADU(p) _mm_loadu_si128((const __m128i *) (const void *) (p))
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#define STOREU(p, r) _mm_storeu_si128((__m128i *) (void *) (p), r)
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#define _mm_roti_epi64(x, c) \
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(-(c) == 32) \
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? _mm_shuffle_epi32((x), _MM_SHUFFLE(2, 3, 0, 1)) \
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: (-(c) == 24) \
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? _mm_shuffle_epi8((x), r24) \
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: (-(c) == 16) \
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? _mm_shuffle_epi8((x), r16) \
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: (-(c) == 63) \
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? _mm_xor_si128(_mm_srli_epi64((x), -(c)), \
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_mm_add_epi64((x), (x))) \
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: _mm_xor_si128(_mm_srli_epi64((x), -(c)), \
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_mm_slli_epi64((x), 64 - (-(c))))
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#define G1(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h, b0, b1) \
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row1l = _mm_add_epi64(_mm_add_epi64(row1l, b0), row2l); \
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row1h = _mm_add_epi64(_mm_add_epi64(row1h, b1), row2h); \
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\
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row4l = _mm_xor_si128(row4l, row1l); \
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row4h = _mm_xor_si128(row4h, row1h); \
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\
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row4l = _mm_roti_epi64(row4l, -32); \
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row4h = _mm_roti_epi64(row4h, -32); \
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\
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row3l = _mm_add_epi64(row3l, row4l); \
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row3h = _mm_add_epi64(row3h, row4h); \
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\
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row2l = _mm_xor_si128(row2l, row3l); \
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row2h = _mm_xor_si128(row2h, row3h); \
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\
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row2l = _mm_roti_epi64(row2l, -24); \
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row2h = _mm_roti_epi64(row2h, -24);
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#define G2(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h, b0, b1) \
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row1l = _mm_add_epi64(_mm_add_epi64(row1l, b0), row2l); \
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row1h = _mm_add_epi64(_mm_add_epi64(row1h, b1), row2h); \
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\
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row4l = _mm_xor_si128(row4l, row1l); \
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row4h = _mm_xor_si128(row4h, row1h); \
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\
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row4l = _mm_roti_epi64(row4l, -16); \
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row4h = _mm_roti_epi64(row4h, -16); \
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\
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row3l = _mm_add_epi64(row3l, row4l); \
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row3h = _mm_add_epi64(row3h, row4h); \
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\
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row2l = _mm_xor_si128(row2l, row3l); \
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row2h = _mm_xor_si128(row2h, row3h); \
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\
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row2l = _mm_roti_epi64(row2l, -63); \
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row2h = _mm_roti_epi64(row2h, -63);
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#define DIAGONALIZE(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h) \
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t0 = _mm_alignr_epi8(row2h, row2l, 8); \
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t1 = _mm_alignr_epi8(row2l, row2h, 8); \
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row2l = t0; \
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row2h = t1; \
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\
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t0 = row3l; \
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row3l = row3h; \
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row3h = t0; \
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\
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t0 = _mm_alignr_epi8(row4h, row4l, 8); \
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t1 = _mm_alignr_epi8(row4l, row4h, 8); \
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row4l = t1; \
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row4h = t0;
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#define UNDIAGONALIZE(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h) \
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t0 = _mm_alignr_epi8(row2l, row2h, 8); \
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t1 = _mm_alignr_epi8(row2h, row2l, 8); \
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row2l = t0; \
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row2h = t1; \
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\
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t0 = row3l; \
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row3l = row3h; \
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row3h = t0; \
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\
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t0 = _mm_alignr_epi8(row4l, row4h, 8); \
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t1 = _mm_alignr_epi8(row4h, row4l, 8); \
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row4l = t1; \
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row4h = t0;
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#include "blake2b-load-sse2.h"
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#define ROUND(r) \
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LOAD_MSG_##r##_1(b0, b1); \
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G1(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h, b0, b1); \
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LOAD_MSG_##r##_2(b0, b1); \
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G2(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h, b0, b1); \
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DIAGONALIZE(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h); \
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LOAD_MSG_##r##_3(b0, b1); \
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G1(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h, b0, b1); \
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LOAD_MSG_##r##_4(b0, b1); \
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G2(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h, b0, b1); \
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UNDIAGONALIZE(row1l, row2l, row3l, row4l, row1h, row2h, row3h, row4h);
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#endif
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