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gosthash2012_sse2.h
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gosthash2012_sse2.h
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/*
* Implementation of core functions for GOST R 34.11-2012 using SSE2.
*
* Copyright (c) 2013 Cryptocom LTD.
* This file is distributed under the same license as OpenSSL.
*
* Author: Alexey Degtyarev <[email protected]>
*
*/
#ifndef __GOST3411_HAS_SSE2__
# error "GOST R 34.11-2012: SSE2 not enabled"
#endif
# pragma message "Use SIMD implementation"
#include <mmintrin.h>
#include <emmintrin.h>
#ifdef __SSE3__
# include <pmmintrin.h>
#endif
#define LO(v) ((unsigned char) (v))
#define HI(v) ((unsigned char) (((unsigned int) (v)) >> 8))
#ifdef __i386__
# define EXTRACT EXTRACT32
#else
# define EXTRACT EXTRACT64
#endif
#ifndef __ICC
# define _mm_cvtsi64_m64(v) (__m64) v
# define _mm_cvtm64_si64(v) (long long) v
#endif
#ifdef __SSE3__
/*
* "This intrinsic may perform better than _mm_loadu_si128 when
* the data crosses a cache line boundary."
*/
# define UMEM_READ_I128 _mm_lddqu_si128
#else /* SSE2 */
# define UMEM_READ_I128 _mm_loadu_si128
#endif
/* load 512bit from unaligned memory */
#define ULOAD(P, xmm0, xmm1, xmm2, xmm3) { \
const __m128i *__m128p = (const __m128i *) P; \
xmm0 = UMEM_READ_I128(&__m128p[0]); \
xmm1 = UMEM_READ_I128(&__m128p[1]); \
xmm2 = UMEM_READ_I128(&__m128p[2]); \
xmm3 = UMEM_READ_I128(&__m128p[3]); \
}
#ifdef UNALIGNED_SIMD_ACCESS
# define MEM_WRITE_I128 _mm_storeu_si128
# define MEM_READ_I128 UMEM_READ_I128
# define LOAD ULOAD
#else /* !UNALIGNED_SIMD_ACCESS */
# define MEM_WRITE_I128 _mm_store_si128
# define MEM_READ_I128 _mm_load_si128
#define LOAD(P, xmm0, xmm1, xmm2, xmm3) { \
const __m128i *__m128p = (const __m128i *) P; \
xmm0 = MEM_READ_I128(&__m128p[0]); \
xmm1 = MEM_READ_I128(&__m128p[1]); \
xmm2 = MEM_READ_I128(&__m128p[2]); \
xmm3 = MEM_READ_I128(&__m128p[3]); \
}
#endif /* !UNALIGNED_SIMD_ACCESS */
#define STORE(P, xmm0, xmm1, xmm2, xmm3) { \
__m128i *__m128p = (__m128i *) &P[0]; \
MEM_WRITE_I128(&__m128p[0], xmm0); \
MEM_WRITE_I128(&__m128p[1], xmm1); \
MEM_WRITE_I128(&__m128p[2], xmm2); \
MEM_WRITE_I128(&__m128p[3], xmm3); \
}
#define X128R(xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7) { \
xmm0 = _mm_xor_si128(xmm0, xmm4); \
xmm1 = _mm_xor_si128(xmm1, xmm5); \
xmm2 = _mm_xor_si128(xmm2, xmm6); \
xmm3 = _mm_xor_si128(xmm3, xmm7); \
}
#define X128M(P, xmm0, xmm1, xmm2, xmm3) { \
const __m128i *__m128p = (const __m128i *) &P[0]; \
xmm0 = _mm_xor_si128(xmm0, MEM_READ_I128(&__m128p[0])); \
xmm1 = _mm_xor_si128(xmm1, MEM_READ_I128(&__m128p[1])); \
xmm2 = _mm_xor_si128(xmm2, MEM_READ_I128(&__m128p[2])); \
xmm3 = _mm_xor_si128(xmm3, MEM_READ_I128(&__m128p[3])); \
}
#define _mm_xor_64(mm0, mm1) _mm_xor_si64(mm0, _mm_cvtsi64_m64(mm1))
#define EXTRACT32(row, xmm0, xmm1, xmm2, xmm3, xmm4) { \
register unsigned short ax; \
__m64 mm0, mm1; \
\
ax = (unsigned short) _mm_extract_epi16(xmm0, row + 0); \
mm0 = _mm_cvtsi64_m64(Ax[0][LO(ax)]); \
mm1 = _mm_cvtsi64_m64(Ax[0][HI(ax)]); \
\
ax = (unsigned short) _mm_extract_epi16(xmm0, row + 4); \
mm0 = _mm_xor_64(mm0, Ax[1][LO(ax)]); \
mm1 = _mm_xor_64(mm1, Ax[1][HI(ax)]); \
\
ax = (unsigned short) _mm_extract_epi16(xmm1, row + 0); \
mm0 = _mm_xor_64(mm0, Ax[2][LO(ax)]); \
mm1 = _mm_xor_64(mm1, Ax[2][HI(ax)]); \
\
ax = (unsigned short) _mm_extract_epi16(xmm1, row + 4); \
mm0 = _mm_xor_64(mm0, Ax[3][LO(ax)]); \
mm1 = _mm_xor_64(mm1, Ax[3][HI(ax)]); \
\
ax = (unsigned short) _mm_extract_epi16(xmm2, row + 0); \
mm0 = _mm_xor_64(mm0, Ax[4][LO(ax)]); \
mm1 = _mm_xor_64(mm1, Ax[4][HI(ax)]); \
\
ax = (unsigned short) _mm_extract_epi16(xmm2, row + 4); \
mm0 = _mm_xor_64(mm0, Ax[5][LO(ax)]); \
mm1 = _mm_xor_64(mm1, Ax[5][HI(ax)]); \
\
ax = (unsigned short) _mm_extract_epi16(xmm3, row + 0); \
mm0 = _mm_xor_64(mm0, Ax[6][LO(ax)]); \
mm1 = _mm_xor_64(mm1, Ax[6][HI(ax)]); \
\
ax = (unsigned short) _mm_extract_epi16(xmm3, row + 4); \
mm0 = _mm_xor_64(mm0, Ax[7][LO(ax)]); \
mm1 = _mm_xor_64(mm1, Ax[7][HI(ax)]); \
\
xmm4 = _mm_set_epi64(mm1, mm0); \
}
#define EXTRACT64(row, xmm0, xmm1, xmm2, xmm3, xmm4) { \
__m128i tmm4; \
register unsigned short ax; \
register unsigned long long r0, r1; \
\
ax = (unsigned short) _mm_extract_epi16(xmm0, row + 0); \
r0 = Ax[0][LO(ax)]; \
r1 = Ax[0][HI(ax)]; \
\
ax = (unsigned short) _mm_extract_epi16(xmm0, row + 4); \
r0 ^= Ax[1][LO(ax)]; \
r1 ^= Ax[1][HI(ax)]; \
\
ax = (unsigned short) _mm_extract_epi16(xmm1, row + 0); \
r0 ^= Ax[2][LO(ax)]; \
r1 ^= Ax[2][HI(ax)]; \
\
ax = (unsigned short) _mm_extract_epi16(xmm1, row + 4); \
r0 ^= Ax[3][LO(ax)]; \
r1 ^= Ax[3][HI(ax)]; \
\
ax = (unsigned short) _mm_extract_epi16(xmm2, row + 0); \
r0 ^= Ax[4][LO(ax)]; \
r1 ^= Ax[4][HI(ax)]; \
\
ax = (unsigned short) _mm_extract_epi16(xmm2, row + 4); \
r0 ^= Ax[5][LO(ax)]; \
r1 ^= Ax[5][HI(ax)]; \
\
ax = (unsigned short) _mm_extract_epi16(xmm3, row + 0); \
r0 ^= Ax[6][LO(ax)]; \
r1 ^= Ax[6][HI(ax)]; \
\
ax = (unsigned short) _mm_extract_epi16(xmm3, row + 4); \
r0 ^= Ax[7][LO(ax)]; \
r1 ^= Ax[7][HI(ax)]; \
\
xmm4 = _mm_cvtsi64_si128((long long) r0); \
tmm4 = _mm_cvtsi64_si128((long long) r1); \
xmm4 = _mm_unpacklo_epi64(xmm4, tmm4); \
}
#define XLPS128M(P, xmm0, xmm1, xmm2, xmm3) { \
__m128i tmm0, tmm1, tmm2, tmm3; \
X128M(P, xmm0, xmm1, xmm2, xmm3); \
\
EXTRACT(0, xmm0, xmm1, xmm2, xmm3, tmm0); \
EXTRACT(1, xmm0, xmm1, xmm2, xmm3, tmm1); \
EXTRACT(2, xmm0, xmm1, xmm2, xmm3, tmm2); \
EXTRACT(3, xmm0, xmm1, xmm2, xmm3, tmm3); \
\
xmm0 = tmm0; \
xmm1 = tmm1; \
xmm2 = tmm2; \
xmm3 = tmm3; \
}
#define XLPS128R(xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7) { \
__m128i tmm0, tmm1, tmm2, tmm3; \
X128R(xmm4, xmm5, xmm6, xmm7, xmm0, xmm1, xmm2, xmm3); \
\
EXTRACT(0, xmm4, xmm5, xmm6, xmm7, tmm0); \
EXTRACT(1, xmm4, xmm5, xmm6, xmm7, tmm1); \
EXTRACT(2, xmm4, xmm5, xmm6, xmm7, tmm2); \
EXTRACT(3, xmm4, xmm5, xmm6, xmm7, tmm3); \
\
xmm4 = tmm0; \
xmm5 = tmm1; \
xmm6 = tmm2; \
xmm7 = tmm3; \
}
#define ROUND128(i, xmm0, xmm2, xmm4, xmm6, xmm1, xmm3, xmm5, xmm7) { \
XLPS128M((&C[i]), xmm0, xmm2, xmm4, xmm6); \
XLPS128R(xmm0, xmm2, xmm4, xmm6, xmm1, xmm3, xmm5, xmm7); \
}