128 lines
2.8 KiB
C
128 lines
2.8 KiB
C
#include "argon2-xop.h"
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#ifdef HAVE_XOP
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#include <string.h>
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#ifdef __GNUC__
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# include <x86intrin.h>
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#else
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# include <intrin.h>
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#endif
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#include "cpu-flags.h"
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#define ror64(x, c) _mm_roti_epi64((x), -(c))
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static __m128i f(__m128i x, __m128i y)
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{
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__m128i z = _mm_mul_epu32(x, y);
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return _mm_add_epi64(_mm_add_epi64(x, y), _mm_add_epi64(z, z));
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}
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#define G1(A0, B0, C0, D0, A1, B1, C1, D1) \
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do { \
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A0 = f(A0, B0); \
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A1 = f(A1, B1); \
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\
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D0 = _mm_xor_si128(D0, A0); \
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D1 = _mm_xor_si128(D1, A1); \
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\
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D0 = ror64(D0, 32); \
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D1 = ror64(D1, 32); \
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\
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C0 = f(C0, D0); \
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C1 = f(C1, D1); \
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\
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B0 = _mm_xor_si128(B0, C0); \
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B1 = _mm_xor_si128(B1, C1); \
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\
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B0 = ror64(B0, 24); \
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B1 = ror64(B1, 24); \
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} while ((void)0, 0)
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#define G2(A0, B0, C0, D0, A1, B1, C1, D1) \
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do { \
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A0 = f(A0, B0); \
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A1 = f(A1, B1); \
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\
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D0 = _mm_xor_si128(D0, A0); \
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D1 = _mm_xor_si128(D1, A1); \
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\
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D0 = ror64(D0, 16); \
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D1 = ror64(D1, 16); \
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\
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C0 = f(C0, D0); \
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C1 = f(C1, D1); \
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\
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B0 = _mm_xor_si128(B0, C0); \
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B1 = _mm_xor_si128(B1, C1); \
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\
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B0 = ror64(B0, 63); \
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B1 = ror64(B1, 63); \
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} while ((void)0, 0)
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#define DIAGONALIZE(A0, B0, C0, D0, A1, B1, C1, D1) \
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do { \
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__m128i t0 = _mm_alignr_epi8(B1, B0, 8); \
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__m128i t1 = _mm_alignr_epi8(B0, B1, 8); \
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B0 = t0; \
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B1 = t1; \
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\
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t0 = _mm_alignr_epi8(D1, D0, 8); \
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t1 = _mm_alignr_epi8(D0, D1, 8); \
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D0 = t1; \
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D1 = t0; \
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} while ((void)0, 0)
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#define UNDIAGONALIZE(A0, B0, C0, D0, A1, B1, C1, D1) \
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do { \
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__m128i t0 = _mm_alignr_epi8(B0, B1, 8); \
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__m128i t1 = _mm_alignr_epi8(B1, B0, 8); \
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B0 = t0; \
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B1 = t1; \
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\
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t0 = _mm_alignr_epi8(D0, D1, 8); \
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t1 = _mm_alignr_epi8(D1, D0, 8); \
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D0 = t1; \
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D1 = t0; \
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} while ((void)0, 0)
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#define BLAKE2_ROUND(A0, A1, B0, B1, C0, C1, D0, D1) \
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do { \
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G1(A0, B0, C0, D0, A1, B1, C1, D1); \
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G2(A0, B0, C0, D0, A1, B1, C1, D1); \
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\
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DIAGONALIZE(A0, B0, C0, D0, A1, B1, C1, D1); \
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\
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G1(A0, B0, C1, D0, A1, B1, C0, D1); \
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G2(A0, B0, C1, D0, A1, B1, C0, D1); \
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\
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UNDIAGONALIZE(A0, B0, C0, D0, A1, B1, C1, D1); \
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} while ((void)0, 0)
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#include "argon2-template-128.h"
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void fill_segment_xop(const argon2_instance_t *instance,
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argon2_position_t position)
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{
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fill_segment_128(instance, position);
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}
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int check_xop(void)
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{
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return cpu_flags_have_xop();
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}
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#else
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void fill_segment_xop(const argon2_instance_t *instance,
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argon2_position_t position)
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{
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}
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int check_xop(void)
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{
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return 0;
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}
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#endif
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