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blake2b_simd.cpp
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// blake2-simd.cpp - written and placed in the public domain by
// Samuel Neves, Jeffrey Walton, Uri Blumenthal
// and Marcel Raad.
//
// This source file uses intrinsics to gain access to ARMv7a/ARMv8a
// NEON, Power8 and SSE4.1 instructions. A separate source file is
// needed because additional CXXFLAGS are required to enable the
// appropriate instructions sets in some build configurations.
#include "pch.h"
#include "config.h"
#include "misc.h"
#include "blake2.h"
// Uncomment for benchmarking C++ against SSE2 or NEON.
// Do so in both blake2.cpp and blake2-simd.cpp.
// #undef CRYPTOPP_SSE41_AVAILABLE
// #undef CRYPTOPP_ARM_NEON_AVAILABLE
// #undef CRYPTOPP_ALTIVEC_AVAILABLE
// Disable NEON/ASIMD for Cortex-A53 and A57. The shifts are too slow and C/C++ is about
// 3 cpb faster than NEON/ASIMD. Also see http://github.com/weidai11/cryptopp/issues/367.
#if (defined(__aarch32__) || defined(__aarch64__)) && defined(CRYPTOPP_SLOW_ARMV8_SHIFT)
# undef CRYPTOPP_ARM_NEON_AVAILABLE
#endif
// BLAKE2s bug on AIX 7.1 (POWER7) with XLC 12.01
// https://github.com/weidai11/cryptopp/issues/743
#if defined(__xlC__) && (__xlC__ < 0x0d01)
# define CRYPTOPP_DISABLE_ALTIVEC 1
# undef CRYPTOPP_POWER7_AVAILABLE
# undef CRYPTOPP_ALTIVEC_AVAILABLE
#endif
#if (CRYPTOPP_SSE41_AVAILABLE)
# include <emmintrin.h>
# include <tmmintrin.h>
# include <smmintrin.h>
#endif
#if (CRYPTOPP_ARM_NEON_AVAILABLE)
# include <arm_neon.h>
#endif
// Can't use CRYPTOPP_ARM_XXX_AVAILABLE because too many
// compilers don't follow ACLE conventions for the include.
#if (CRYPTOPP_ARM_ACLE_AVAILABLE)
# include <stdint.h>
# include <arm_acle.h>
#endif
#if (CRYPTOPP_POWER8_AVAILABLE)
# include "ppc_simd.h"
#endif
// Squash MS LNK4221 and libtool warnings
extern const char BLAKE2B_SIMD_FNAME[] = __FILE__;
NAMESPACE_BEGIN(CryptoPP)
// Exported by blake2.cpp
extern const word32 BLAKE2S_IV[8];
extern const word64 BLAKE2B_IV[8];
#if CRYPTOPP_SSE41_AVAILABLE
#define LOADU(p) _mm_loadu_si128((const __m128i *)(const void*)(p))
#define STOREU(p,r) _mm_storeu_si128((__m128i *)(void*)(p), r)
#define TOF(reg) _mm_castsi128_ps((reg))
#define TOI(reg) _mm_castps_si128((reg))
void BLAKE2_Compress64_SSE4(const byte* input, BLAKE2b_State& state)
{
#define BLAKE2B_LOAD_MSG_0_1(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m0, m1); \
b1 = _mm_unpacklo_epi64(m2, m3); \
} while(0)
#define BLAKE2B_LOAD_MSG_0_2(b0, b1) \
do { \
b0 = _mm_unpackhi_epi64(m0, m1); \
b1 = _mm_unpackhi_epi64(m2, m3); \
} while(0)
#define BLAKE2B_LOAD_MSG_0_3(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m4, m5); \
b1 = _mm_unpacklo_epi64(m6, m7); \
} while(0)
#define BLAKE2B_LOAD_MSG_0_4(b0, b1) \
do { \
b0 = _mm_unpackhi_epi64(m4, m5); \
b1 = _mm_unpackhi_epi64(m6, m7); \
} while(0)
#define BLAKE2B_LOAD_MSG_1_1(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m7, m2); \
b1 = _mm_unpackhi_epi64(m4, m6); \
} while(0)
#define BLAKE2B_LOAD_MSG_1_2(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m5, m4); \
b1 = _mm_alignr_epi8(m3, m7, 8); \
} while(0)
#define BLAKE2B_LOAD_MSG_1_3(b0, b1) \
do { \
b0 = _mm_shuffle_epi32(m0, _MM_SHUFFLE(1,0,3,2)); \
b1 = _mm_unpackhi_epi64(m5, m2); \
} while(0)
#define BLAKE2B_LOAD_MSG_1_4(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m6, m1); \
b1 = _mm_unpackhi_epi64(m3, m1); \
} while(0)
#define BLAKE2B_LOAD_MSG_2_1(b0, b1) \
do { \
b0 = _mm_alignr_epi8(m6, m5, 8); \
b1 = _mm_unpackhi_epi64(m2, m7); \
} while(0)
#define BLAKE2B_LOAD_MSG_2_2(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m4, m0); \
b1 = _mm_blend_epi16(m1, m6, 0xF0); \
} while(0)
#define BLAKE2B_LOAD_MSG_2_3(b0, b1) \
do { \
b0 = _mm_blend_epi16(m5, m1, 0xF0); \
b1 = _mm_unpackhi_epi64(m3, m4); \
} while(0)
#define BLAKE2B_LOAD_MSG_2_4(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m7, m3); \
b1 = _mm_alignr_epi8(m2, m0, 8); \
} while(0)
#define BLAKE2B_LOAD_MSG_3_1(b0, b1) \
do { \
b0 = _mm_unpackhi_epi64(m3, m1); \
b1 = _mm_unpackhi_epi64(m6, m5); \
} while(0)
#define BLAKE2B_LOAD_MSG_3_2(b0, b1) \
do { \
b0 = _mm_unpackhi_epi64(m4, m0); \
b1 = _mm_unpacklo_epi64(m6, m7); \
} while(0)
#define BLAKE2B_LOAD_MSG_3_3(b0, b1) \
do { \
b0 = _mm_blend_epi16(m1, m2, 0xF0); \
b1 = _mm_blend_epi16(m2, m7, 0xF0); \
} while(0)
#define BLAKE2B_LOAD_MSG_3_4(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m3, m5); \
b1 = _mm_unpacklo_epi64(m0, m4); \
} while(0)
#define BLAKE2B_LOAD_MSG_4_1(b0, b1) \
do { \
b0 = _mm_unpackhi_epi64(m4, m2); \
b1 = _mm_unpacklo_epi64(m1, m5); \
} while(0)
#define BLAKE2B_LOAD_MSG_4_2(b0, b1) \
do { \
b0 = _mm_blend_epi16(m0, m3, 0xF0); \
b1 = _mm_blend_epi16(m2, m7, 0xF0); \
} while(0)
#define BLAKE2B_LOAD_MSG_4_3(b0, b1) \
do { \
b0 = _mm_blend_epi16(m7, m5, 0xF0); \
b1 = _mm_blend_epi16(m3, m1, 0xF0); \
} while(0)
#define BLAKE2B_LOAD_MSG_4_4(b0, b1) \
do { \
b0 = _mm_alignr_epi8(m6, m0, 8); \
b1 = _mm_blend_epi16(m4, m6, 0xF0); \
} while(0)
#define BLAKE2B_LOAD_MSG_5_1(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m1, m3); \
b1 = _mm_unpacklo_epi64(m0, m4); \
} while(0)
#define BLAKE2B_LOAD_MSG_5_2(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m6, m5); \
b1 = _mm_unpackhi_epi64(m5, m1); \
} while(0)
#define BLAKE2B_LOAD_MSG_5_3(b0, b1) \
do { \
b0 = _mm_blend_epi16(m2, m3, 0xF0); \
b1 = _mm_unpackhi_epi64(m7, m0); \
} while(0)
#define BLAKE2B_LOAD_MSG_5_4(b0, b1) \
do { \
b0 = _mm_unpackhi_epi64(m6, m2); \
b1 = _mm_blend_epi16(m7, m4, 0xF0); \
} while(0)
#define BLAKE2B_LOAD_MSG_6_1(b0, b1) \
do { \
b0 = _mm_blend_epi16(m6, m0, 0xF0); \
b1 = _mm_unpacklo_epi64(m7, m2); \
} while(0)
#define BLAKE2B_LOAD_MSG_6_2(b0, b1) \
do { \
b0 = _mm_unpackhi_epi64(m2, m7); \
b1 = _mm_alignr_epi8(m5, m6, 8); \
} while(0)
#define BLAKE2B_LOAD_MSG_6_3(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m0, m3); \
b1 = _mm_shuffle_epi32(m4, _MM_SHUFFLE(1,0,3,2)); \
} while(0)
#define BLAKE2B_LOAD_MSG_6_4(b0, b1) \
do { \
b0 = _mm_unpackhi_epi64(m3, m1); \
b1 = _mm_blend_epi16(m1, m5, 0xF0); \
} while(0)
#define BLAKE2B_LOAD_MSG_7_1(b0, b1) \
do { \
b0 = _mm_unpackhi_epi64(m6, m3); \
b1 = _mm_blend_epi16(m6, m1, 0xF0); \
} while(0)
#define BLAKE2B_LOAD_MSG_7_2(b0, b1) \
do { \
b0 = _mm_alignr_epi8(m7, m5, 8); \
b1 = _mm_unpackhi_epi64(m0, m4); \
} while(0)
#define BLAKE2B_LOAD_MSG_7_3(b0, b1) \
do { \
b0 = _mm_unpackhi_epi64(m2, m7); \
b1 = _mm_unpacklo_epi64(m4, m1); \
} while(0)
#define BLAKE2B_LOAD_MSG_7_4(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m0, m2); \
b1 = _mm_unpacklo_epi64(m3, m5); \
} while(0)
#define BLAKE2B_LOAD_MSG_8_1(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m3, m7); \
b1 = _mm_alignr_epi8(m0, m5, 8); \
} while(0)
#define BLAKE2B_LOAD_MSG_8_2(b0, b1) \
do { \
b0 = _mm_unpackhi_epi64(m7, m4); \
b1 = _mm_alignr_epi8(m4, m1, 8); \
} while(0)
#define BLAKE2B_LOAD_MSG_8_3(b0, b1) \
do { \
b0 = m6; \
b1 = _mm_alignr_epi8(m5, m0, 8); \
} while(0)
#define BLAKE2B_LOAD_MSG_8_4(b0, b1) \
do { \
b0 = _mm_blend_epi16(m1, m3, 0xF0); \
b1 = m2; \
} while(0)
#define BLAKE2B_LOAD_MSG_9_1(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m5, m4); \
b1 = _mm_unpackhi_epi64(m3, m0); \
} while(0)
#define BLAKE2B_LOAD_MSG_9_2(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m1, m2); \
b1 = _mm_blend_epi16(m3, m2, 0xF0); \
} while(0)
#define BLAKE2B_LOAD_MSG_9_3(b0, b1) \
do { \
b0 = _mm_unpackhi_epi64(m7, m4); \
b1 = _mm_unpackhi_epi64(m1, m6); \
} while(0)
#define BLAKE2B_LOAD_MSG_9_4(b0, b1) \
do { \
b0 = _mm_alignr_epi8(m7, m5, 8); \
b1 = _mm_unpacklo_epi64(m6, m0); \
} while(0)
#define BLAKE2B_LOAD_MSG_10_1(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m0, m1); \
b1 = _mm_unpacklo_epi64(m2, m3); \
} while(0)
#define BLAKE2B_LOAD_MSG_10_2(b0, b1) \
do { \
b0 = _mm_unpackhi_epi64(m0, m1); \
b1 = _mm_unpackhi_epi64(m2, m3); \
} while(0)
#define BLAKE2B_LOAD_MSG_10_3(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m4, m5); \
b1 = _mm_unpacklo_epi64(m6, m7); \
} while(0)
#define BLAKE2B_LOAD_MSG_10_4(b0, b1) \
do { \
b0 = _mm_unpackhi_epi64(m4, m5); \
b1 = _mm_unpackhi_epi64(m6, m7); \
} while(0)
#define BLAKE2B_LOAD_MSG_11_1(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m7, m2); \
b1 = _mm_unpackhi_epi64(m4, m6); \
} while(0)
#define BLAKE2B_LOAD_MSG_11_2(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m5, m4); \
b1 = _mm_alignr_epi8(m3, m7, 8); \
} while(0)
#define BLAKE2B_LOAD_MSG_11_3(b0, b1) \
do { \
b0 = _mm_shuffle_epi32(m0, _MM_SHUFFLE(1,0,3,2)); \
b1 = _mm_unpackhi_epi64(m5, m2); \
} while(0)
#define BLAKE2B_LOAD_MSG_11_4(b0, b1) \
do { \
b0 = _mm_unpacklo_epi64(m6, m1); \
b1 = _mm_unpackhi_epi64(m3, m1); \
} while(0)
#ifdef __XOP__
# define MM_ROTI_EPI64(r, c) \
_mm_roti_epi64(r, c)
#else
# define MM_ROTI_EPI64(x, c) \
(-(c) == 32) ? _mm_shuffle_epi32((x), _MM_SHUFFLE(2,3,0,1)) \
: (-(c) == 24) ? _mm_shuffle_epi8((x), r24) \
: (-(c) == 16) ? _mm_shuffle_epi8((x), r16) \
: (-(c) == 63) ? _mm_xor_si128(_mm_srli_epi64((x), -(c)), _mm_add_epi64((x), (x))) \
: _mm_xor_si128(_mm_srli_epi64((x), -(c)), _mm_slli_epi64((x), 64-(-(c))))
#endif
#define BLAKE2B_G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1) \
row1l = _mm_add_epi64(_mm_add_epi64(row1l, b0), row2l); \
row1h = _mm_add_epi64(_mm_add_epi64(row1h, b1), row2h); \
\
row4l = _mm_xor_si128(row4l, row1l); \
row4h = _mm_xor_si128(row4h, row1h); \
\
row4l = MM_ROTI_EPI64(row4l, -32); \
row4h = MM_ROTI_EPI64(row4h, -32); \
\
row3l = _mm_add_epi64(row3l, row4l); \
row3h = _mm_add_epi64(row3h, row4h); \
\
row2l = _mm_xor_si128(row2l, row3l); \
row2h = _mm_xor_si128(row2h, row3h); \
\
row2l = MM_ROTI_EPI64(row2l, -24); \
row2h = MM_ROTI_EPI64(row2h, -24);
#define BLAKE2B_G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1) \
row1l = _mm_add_epi64(_mm_add_epi64(row1l, b0), row2l); \
row1h = _mm_add_epi64(_mm_add_epi64(row1h, b1), row2h); \
\
row4l = _mm_xor_si128(row4l, row1l); \
row4h = _mm_xor_si128(row4h, row1h); \
\
row4l = MM_ROTI_EPI64(row4l, -16); \
row4h = MM_ROTI_EPI64(row4h, -16); \
\
row3l = _mm_add_epi64(row3l, row4l); \
row3h = _mm_add_epi64(row3h, row4h); \
\
row2l = _mm_xor_si128(row2l, row3l); \
row2h = _mm_xor_si128(row2h, row3h); \
\
row2l = MM_ROTI_EPI64(row2l, -63); \
row2h = MM_ROTI_EPI64(row2h, -63); \
#define BLAKE2B_DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
t0 = row4l;\
t1 = row2l;\
row4l = row3l;\
row3l = row3h;\
row3h = row4l;\
row4l = _mm_unpackhi_epi64(row4h, _mm_unpacklo_epi64(t0, t0)); \
row4h = _mm_unpackhi_epi64(t0, _mm_unpacklo_epi64(row4h, row4h)); \
row2l = _mm_unpackhi_epi64(row2l, _mm_unpacklo_epi64(row2h, row2h)); \
row2h = _mm_unpackhi_epi64(row2h, _mm_unpacklo_epi64(t1, t1))
#define BLAKE2B_UNDIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
t0 = row3l;\
row3l = row3h;\
row3h = t0;\
t0 = row2l;\
t1 = row4l;\
row2l = _mm_unpackhi_epi64(row2h, _mm_unpacklo_epi64(row2l, row2l)); \
row2h = _mm_unpackhi_epi64(t0, _mm_unpacklo_epi64(row2h, row2h)); \
row4l = _mm_unpackhi_epi64(row4l, _mm_unpacklo_epi64(row4h, row4h)); \
row4h = _mm_unpackhi_epi64(row4h, _mm_unpacklo_epi64(t1, t1))
#define BLAKE2B_ROUND(r) \
BLAKE2B_LOAD_MSG_ ##r ##_1(b0, b1); \
BLAKE2B_G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
BLAKE2B_LOAD_MSG_ ##r ##_2(b0, b1); \
BLAKE2B_G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
BLAKE2B_DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h); \
BLAKE2B_LOAD_MSG_ ##r ##_3(b0, b1); \
BLAKE2B_G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
BLAKE2B_LOAD_MSG_ ##r ##_4(b0, b1); \
BLAKE2B_G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
BLAKE2B_UNDIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h);
__m128i row1l, row1h;
__m128i row2l, row2h;
__m128i row3l, row3h;
__m128i row4l, row4h;
__m128i b0, b1;
__m128i t0, t1;
const __m128i r16 = _mm_setr_epi8(2, 3, 4, 5, 6, 7, 0, 1, 10, 11, 12, 13, 14, 15, 8, 9);
const __m128i r24 = _mm_setr_epi8(3, 4, 5, 6, 7, 0, 1, 2, 11, 12, 13, 14, 15, 8, 9, 10);
const __m128i m0 = LOADU(input + 00);
const __m128i m1 = LOADU(input + 16);
const __m128i m2 = LOADU(input + 32);
const __m128i m3 = LOADU(input + 48);
const __m128i m4 = LOADU(input + 64);
const __m128i m5 = LOADU(input + 80);
const __m128i m6 = LOADU(input + 96);
const __m128i m7 = LOADU(input + 112);
row1l = LOADU(state.h()+0);
row1h = LOADU(state.h()+2);
row2l = LOADU(state.h()+4);
row2h = LOADU(state.h()+6);
row3l = LOADU(BLAKE2B_IV+0);
row3h = LOADU(BLAKE2B_IV+2);
row4l = _mm_xor_si128(LOADU(BLAKE2B_IV+4), LOADU(state.t()+0));
row4h = _mm_xor_si128(LOADU(BLAKE2B_IV+6), LOADU(state.f()+0));
BLAKE2B_ROUND(0);
BLAKE2B_ROUND(1);
BLAKE2B_ROUND(2);
BLAKE2B_ROUND(3);
BLAKE2B_ROUND(4);
BLAKE2B_ROUND(5);
BLAKE2B_ROUND(6);
BLAKE2B_ROUND(7);
BLAKE2B_ROUND(8);
BLAKE2B_ROUND(9);
BLAKE2B_ROUND(10);
BLAKE2B_ROUND(11);
row1l = _mm_xor_si128(row3l, row1l);
row1h = _mm_xor_si128(row3h, row1h);
STOREU(state.h()+0, _mm_xor_si128(LOADU(state.h()+0), row1l));
STOREU(state.h()+2, _mm_xor_si128(LOADU(state.h()+2), row1h));
row2l = _mm_xor_si128(row4l, row2l);
row2h = _mm_xor_si128(row4h, row2h);
STOREU(state.h()+4, _mm_xor_si128(LOADU(state.h()+4), row2l));
STOREU(state.h()+6, _mm_xor_si128(LOADU(state.h()+6), row2h));
}
#endif // CRYPTOPP_SSE41_AVAILABLE
#if CRYPTOPP_ARM_NEON_AVAILABLE
void BLAKE2_Compress64_NEON(const byte* input, BLAKE2b_State& state)
{
#define BLAKE2B_LOAD_MSG_0_1(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m0), vget_low_u64(m1)); b1 = vcombine_u64(vget_low_u64(m2), vget_low_u64(m3)); } while(0)
#define BLAKE2B_LOAD_MSG_0_2(b0, b1) \
do { b0 = vcombine_u64(vget_high_u64(m0), vget_high_u64(m1)); b1 = vcombine_u64(vget_high_u64(m2), vget_high_u64(m3)); } while(0)
#define BLAKE2B_LOAD_MSG_0_3(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m4), vget_low_u64(m5)); b1 = vcombine_u64(vget_low_u64(m6), vget_low_u64(m7)); } while(0)
#define BLAKE2B_LOAD_MSG_0_4(b0, b1) \
do { b0 = vcombine_u64(vget_high_u64(m4), vget_high_u64(m5)); b1 = vcombine_u64(vget_high_u64(m6), vget_high_u64(m7)); } while(0)
#define BLAKE2B_LOAD_MSG_1_1(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m7), vget_low_u64(m2)); b1 = vcombine_u64(vget_high_u64(m4), vget_high_u64(m6)); } while(0)
#define BLAKE2B_LOAD_MSG_1_2(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m5), vget_low_u64(m4)); b1 = vextq_u64(m7, m3, 1); } while(0)
#define BLAKE2B_LOAD_MSG_1_3(b0, b1) \
do { b0 = vextq_u64(m0, m0, 1); b1 = vcombine_u64(vget_high_u64(m5), vget_high_u64(m2)); } while(0)
#define BLAKE2B_LOAD_MSG_1_4(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m6), vget_low_u64(m1)); b1 = vcombine_u64(vget_high_u64(m3), vget_high_u64(m1)); } while(0)
#define BLAKE2B_LOAD_MSG_2_1(b0, b1) \
do { b0 = vextq_u64(m5, m6, 1); b1 = vcombine_u64(vget_high_u64(m2), vget_high_u64(m7)); } while(0)
#define BLAKE2B_LOAD_MSG_2_2(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m4), vget_low_u64(m0)); b1 = vcombine_u64(vget_low_u64(m1), vget_high_u64(m6)); } while(0)
#define BLAKE2B_LOAD_MSG_2_3(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m5), vget_high_u64(m1)); b1 = vcombine_u64(vget_high_u64(m3), vget_high_u64(m4)); } while(0)
#define BLAKE2B_LOAD_MSG_2_4(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m7), vget_low_u64(m3)); b1 = vextq_u64(m0, m2, 1); } while(0)
#define BLAKE2B_LOAD_MSG_3_1(b0, b1) \
do { b0 = vcombine_u64(vget_high_u64(m3), vget_high_u64(m1)); b1 = vcombine_u64(vget_high_u64(m6), vget_high_u64(m5)); } while(0)
#define BLAKE2B_LOAD_MSG_3_2(b0, b1) \
do { b0 = vcombine_u64(vget_high_u64(m4), vget_high_u64(m0)); b1 = vcombine_u64(vget_low_u64(m6), vget_low_u64(m7)); } while(0)
#define BLAKE2B_LOAD_MSG_3_3(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m1), vget_high_u64(m2)); b1 = vcombine_u64(vget_low_u64(m2), vget_high_u64(m7)); } while(0)
#define BLAKE2B_LOAD_MSG_3_4(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m3), vget_low_u64(m5)); b1 = vcombine_u64(vget_low_u64(m0), vget_low_u64(m4)); } while(0)
#define BLAKE2B_LOAD_MSG_4_1(b0, b1) \
do { b0 = vcombine_u64(vget_high_u64(m4), vget_high_u64(m2)); b1 = vcombine_u64(vget_low_u64(m1), vget_low_u64(m5)); } while(0)
#define BLAKE2B_LOAD_MSG_4_2(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m0), vget_high_u64(m3)); b1 = vcombine_u64(vget_low_u64(m2), vget_high_u64(m7)); } while(0)
#define BLAKE2B_LOAD_MSG_4_3(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m7), vget_high_u64(m5)); b1 = vcombine_u64(vget_low_u64(m3), vget_high_u64(m1)); } while(0)
#define BLAKE2B_LOAD_MSG_4_4(b0, b1) \
do { b0 = vextq_u64(m0, m6, 1); b1 = vcombine_u64(vget_low_u64(m4), vget_high_u64(m6)); } while(0)
#define BLAKE2B_LOAD_MSG_5_1(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m1), vget_low_u64(m3)); b1 = vcombine_u64(vget_low_u64(m0), vget_low_u64(m4)); } while(0)
#define BLAKE2B_LOAD_MSG_5_2(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m6), vget_low_u64(m5)); b1 = vcombine_u64(vget_high_u64(m5), vget_high_u64(m1)); } while(0)
#define BLAKE2B_LOAD_MSG_5_3(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m2), vget_high_u64(m3)); b1 = vcombine_u64(vget_high_u64(m7), vget_high_u64(m0)); } while(0)
#define BLAKE2B_LOAD_MSG_5_4(b0, b1) \
do { b0 = vcombine_u64(vget_high_u64(m6), vget_high_u64(m2)); b1 = vcombine_u64(vget_low_u64(m7), vget_high_u64(m4)); } while(0)
#define BLAKE2B_LOAD_MSG_6_1(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m6), vget_high_u64(m0)); b1 = vcombine_u64(vget_low_u64(m7), vget_low_u64(m2)); } while(0)
#define BLAKE2B_LOAD_MSG_6_2(b0, b1) \
do { b0 = vcombine_u64(vget_high_u64(m2), vget_high_u64(m7)); b1 = vextq_u64(m6, m5, 1); } while(0)
#define BLAKE2B_LOAD_MSG_6_3(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m0), vget_low_u64(m3)); b1 = vextq_u64(m4, m4, 1); } while(0)
#define BLAKE2B_LOAD_MSG_6_4(b0, b1) \
do { b0 = vcombine_u64(vget_high_u64(m3), vget_high_u64(m1)); b1 = vcombine_u64(vget_low_u64(m1), vget_high_u64(m5)); } while(0)
#define BLAKE2B_LOAD_MSG_7_1(b0, b1) \
do { b0 = vcombine_u64(vget_high_u64(m6), vget_high_u64(m3)); b1 = vcombine_u64(vget_low_u64(m6), vget_high_u64(m1)); } while(0)
#define BLAKE2B_LOAD_MSG_7_2(b0, b1) \
do { b0 = vextq_u64(m5, m7, 1); b1 = vcombine_u64(vget_high_u64(m0), vget_high_u64(m4)); } while(0)
#define BLAKE2B_LOAD_MSG_7_3(b0, b1) \
do { b0 = vcombine_u64(vget_high_u64(m2), vget_high_u64(m7)); b1 = vcombine_u64(vget_low_u64(m4), vget_low_u64(m1)); } while(0)
#define BLAKE2B_LOAD_MSG_7_4(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m0), vget_low_u64(m2)); b1 = vcombine_u64(vget_low_u64(m3), vget_low_u64(m5)); } while(0)
#define BLAKE2B_LOAD_MSG_8_1(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m3), vget_low_u64(m7)); b1 = vextq_u64(m5, m0, 1); } while(0)
#define BLAKE2B_LOAD_MSG_8_2(b0, b1) \
do { b0 = vcombine_u64(vget_high_u64(m7), vget_high_u64(m4)); b1 = vextq_u64(m1, m4, 1); } while(0)
#define BLAKE2B_LOAD_MSG_8_3(b0, b1) \
do { b0 = m6; b1 = vextq_u64(m0, m5, 1); } while(0)
#define BLAKE2B_LOAD_MSG_8_4(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m1), vget_high_u64(m3)); b1 = m2; } while(0)
#define BLAKE2B_LOAD_MSG_9_1(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m5), vget_low_u64(m4)); b1 = vcombine_u64(vget_high_u64(m3), vget_high_u64(m0)); } while(0)
#define BLAKE2B_LOAD_MSG_9_2(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m1), vget_low_u64(m2)); b1 = vcombine_u64(vget_low_u64(m3), vget_high_u64(m2)); } while(0)
#define BLAKE2B_LOAD_MSG_9_3(b0, b1) \
do { b0 = vcombine_u64(vget_high_u64(m7), vget_high_u64(m4)); b1 = vcombine_u64(vget_high_u64(m1), vget_high_u64(m6)); } while(0)
#define BLAKE2B_LOAD_MSG_9_4(b0, b1) \
do { b0 = vextq_u64(m5, m7, 1); b1 = vcombine_u64(vget_low_u64(m6), vget_low_u64(m0)); } while(0)
#define BLAKE2B_LOAD_MSG_10_1(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m0), vget_low_u64(m1)); b1 = vcombine_u64(vget_low_u64(m2), vget_low_u64(m3)); } while(0)
#define BLAKE2B_LOAD_MSG_10_2(b0, b1) \
do { b0 = vcombine_u64(vget_high_u64(m0), vget_high_u64(m1)); b1 = vcombine_u64(vget_high_u64(m2), vget_high_u64(m3)); } while(0)
#define BLAKE2B_LOAD_MSG_10_3(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m4), vget_low_u64(m5)); b1 = vcombine_u64(vget_low_u64(m6), vget_low_u64(m7)); } while(0)
#define BLAKE2B_LOAD_MSG_10_4(b0, b1) \
do { b0 = vcombine_u64(vget_high_u64(m4), vget_high_u64(m5)); b1 = vcombine_u64(vget_high_u64(m6), vget_high_u64(m7)); } while(0)
#define BLAKE2B_LOAD_MSG_11_1(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m7), vget_low_u64(m2)); b1 = vcombine_u64(vget_high_u64(m4), vget_high_u64(m6)); } while(0)
#define BLAKE2B_LOAD_MSG_11_2(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m5), vget_low_u64(m4)); b1 = vextq_u64(m7, m3, 1); } while(0)
#define BLAKE2B_LOAD_MSG_11_3(b0, b1) \
do { b0 = vextq_u64(m0, m0, 1); b1 = vcombine_u64(vget_high_u64(m5), vget_high_u64(m2)); } while(0)
#define BLAKE2B_LOAD_MSG_11_4(b0, b1) \
do { b0 = vcombine_u64(vget_low_u64(m6), vget_low_u64(m1)); b1 = vcombine_u64(vget_high_u64(m3), vget_high_u64(m1)); } while(0)
#define vrorq_n_u64_32(x) vreinterpretq_u64_u32(vrev64q_u32(vreinterpretq_u32_u64((x))))
#define vrorq_n_u64_24(x) vcombine_u64( \
vreinterpret_u64_u8(vext_u8(vreinterpret_u8_u64(vget_low_u64(x)), vreinterpret_u8_u64(vget_low_u64(x)), 3)), \
vreinterpret_u64_u8(vext_u8(vreinterpret_u8_u64(vget_high_u64(x)), vreinterpret_u8_u64(vget_high_u64(x)), 3)))
#define vrorq_n_u64_16(x) vcombine_u64( \
vreinterpret_u64_u8(vext_u8(vreinterpret_u8_u64(vget_low_u64(x)), vreinterpret_u8_u64(vget_low_u64(x)), 2)), \
vreinterpret_u64_u8(vext_u8(vreinterpret_u8_u64(vget_high_u64(x)), vreinterpret_u8_u64(vget_high_u64(x)), 2)))
#define vrorq_n_u64_63(x) veorq_u64(vaddq_u64(x, x), vshrq_n_u64(x, 63))
#define BLAKE2B_G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1) \
do { \
row1l = vaddq_u64(vaddq_u64(row1l, b0), row2l); \
row1h = vaddq_u64(vaddq_u64(row1h, b1), row2h); \
row4l = veorq_u64(row4l, row1l); row4h = veorq_u64(row4h, row1h); \
row4l = vrorq_n_u64_32(row4l); row4h = vrorq_n_u64_32(row4h); \
row3l = vaddq_u64(row3l, row4l); row3h = vaddq_u64(row3h, row4h); \
row2l = veorq_u64(row2l, row3l); row2h = veorq_u64(row2h, row3h); \
row2l = vrorq_n_u64_24(row2l); row2h = vrorq_n_u64_24(row2h); \
} while(0)
#define BLAKE2B_G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1) \
do { \
row1l = vaddq_u64(vaddq_u64(row1l, b0), row2l); \
row1h = vaddq_u64(vaddq_u64(row1h, b1), row2h); \
row4l = veorq_u64(row4l, row1l); row4h = veorq_u64(row4h, row1h); \
row4l = vrorq_n_u64_16(row4l); row4h = vrorq_n_u64_16(row4h); \
row3l = vaddq_u64(row3l, row4l); row3h = vaddq_u64(row3h, row4h); \
row2l = veorq_u64(row2l, row3l); row2h = veorq_u64(row2h, row3h); \
row2l = vrorq_n_u64_63(row2l); row2h = vrorq_n_u64_63(row2h); \
} while(0)
#define BLAKE2B_DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
do { \
uint64x2_t t0 = vextq_u64(row2l, row2h, 1); \
uint64x2_t t1 = vextq_u64(row2h, row2l, 1); \
row2l = t0; row2h = t1; t0 = row3l; row3l = row3h; row3h = t0; \
t0 = vextq_u64(row4h, row4l, 1); t1 = vextq_u64(row4l, row4h, 1); \
row4l = t0; row4h = t1; \
} while(0)
#define BLAKE2B_UNDIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h) \
do { \
uint64x2_t t0 = vextq_u64(row2h, row2l, 1); \
uint64x2_t t1 = vextq_u64(row2l, row2h, 1); \
row2l = t0; row2h = t1; t0 = row3l; row3l = row3h; row3h = t0; \
t0 = vextq_u64(row4l, row4h, 1); t1 = vextq_u64(row4h, row4l, 1); \
row4l = t0; row4h = t1; \
} while(0)
#define BLAKE2B_ROUND(r) \
do { \
uint64x2_t b0, b1; \
BLAKE2B_LOAD_MSG_ ##r ##_1(b0, b1); \
BLAKE2B_G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
BLAKE2B_LOAD_MSG_ ##r ##_2(b0, b1); \
BLAKE2B_G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
BLAKE2B_DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h); \
BLAKE2B_LOAD_MSG_ ##r ##_3(b0, b1); \
BLAKE2B_G1(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
BLAKE2B_LOAD_MSG_ ##r ##_4(b0, b1); \
BLAKE2B_G2(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h,b0,b1); \
BLAKE2B_UNDIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h); \
} while(0)
const uint64x2_t m0 = vreinterpretq_u64_u8(vld1q_u8(input + 00));
const uint64x2_t m1 = vreinterpretq_u64_u8(vld1q_u8(input + 16));
const uint64x2_t m2 = vreinterpretq_u64_u8(vld1q_u8(input + 32));
const uint64x2_t m3 = vreinterpretq_u64_u8(vld1q_u8(input + 48));
const uint64x2_t m4 = vreinterpretq_u64_u8(vld1q_u8(input + 64));
const uint64x2_t m5 = vreinterpretq_u64_u8(vld1q_u8(input + 80));
const uint64x2_t m6 = vreinterpretq_u64_u8(vld1q_u8(input + 96));
const uint64x2_t m7 = vreinterpretq_u64_u8(vld1q_u8(input + 112));
uint64x2_t row1l, row1h, row2l, row2h;
uint64x2_t row3l, row3h, row4l, row4h;
const uint64x2_t h0 = row1l = vld1q_u64(state.h()+0);
const uint64x2_t h1 = row1h = vld1q_u64(state.h()+2);
const uint64x2_t h2 = row2l = vld1q_u64(state.h()+4);
const uint64x2_t h3 = row2h = vld1q_u64(state.h()+6);
row3l = vld1q_u64(BLAKE2B_IV+0);
row3h = vld1q_u64(BLAKE2B_IV+2);
row4l = veorq_u64(vld1q_u64(BLAKE2B_IV+4), vld1q_u64(state.t()+0));
row4h = veorq_u64(vld1q_u64(BLAKE2B_IV+6), vld1q_u64(state.f()+0));
BLAKE2B_ROUND(0);
BLAKE2B_ROUND(1);
BLAKE2B_ROUND(2);
BLAKE2B_ROUND(3);
BLAKE2B_ROUND(4);
BLAKE2B_ROUND(5);
BLAKE2B_ROUND(6);
BLAKE2B_ROUND(7);
BLAKE2B_ROUND(8);
BLAKE2B_ROUND(9);
BLAKE2B_ROUND(10);
BLAKE2B_ROUND(11);
vst1q_u64(state.h()+0, veorq_u64(h0, veorq_u64(row1l, row3l)));
vst1q_u64(state.h()+2, veorq_u64(h1, veorq_u64(row1h, row3h)));
vst1q_u64(state.h()+4, veorq_u64(h2, veorq_u64(row2l, row4l)));
vst1q_u64(state.h()+6, veorq_u64(h3, veorq_u64(row2h, row4h)));
}
#endif // CRYPTOPP_ARM_NEON_AVAILABLE
#if (CRYPTOPP_POWER8_AVAILABLE)
inline uint64x2_p VecLoad64(const void* p)
{
#if defined(__xlc__) || defined(__xlC__) || defined(__clang__)
return (uint64x2_p)vec_xl(0, (uint8_t*)p);
#else
return (uint64x2_p)vec_vsx_ld(0, (uint8_t*)p);
#endif
}
inline uint64x2_p VecLoad64LE(const void* p)
{
#if __BIG_ENDIAN__
const uint8x16_p m = {7,6,5,4, 3,2,1,0, 15,14,13,12, 11,10,9,8};
const uint64x2_p v = VecLoad64(p);
return VecPermute(v, v, m);
#else
return VecLoad64(p);
#endif
}
inline void VecStore64(void* p, const uint64x2_p x)
{
#if defined(__xlc__) || defined(__xlC__) || defined(__clang__)
vec_xst((uint8x16_p)x,0,(uint8_t*)p);
#else
vec_vsx_st((uint8x16_p)x,0,(uint8_t*)p);
#endif
}
inline void VecStore64LE(void* p, const uint64x2_p x)
{
#if __BIG_ENDIAN__
const uint8x16_p m = {7,6,5,4, 3,2,1,0, 15,14,13,12, 11,10,9,8};
VecStore64(p, VecPermute(x, x, m));
#else
VecStore64(p, x);
#endif
}
template <unsigned int C>
inline uint64x2_p VecShiftLeftOctet(const uint64x2_p a, const uint64x2_p b)
{
#if __BIG_ENDIAN__
return (uint64x2_p)vec_sld((uint8x16_p)a, (uint8x16_p)b, C);
#else
return (uint64x2_p)vec_sld((uint8x16_p)b, (uint8x16_p)a, 16-C);
#endif
}
#define vec_shl_octet(a,b,c) VecShiftLeftOctet<c*8>(a, b)
// vec_mergeh(a,b) is equivalent to VecPermute(a,b,HH_MASK); and
// vec_mergel(a,b) is equivalent VecPermute(a,b,LL_MASK). Benchmarks
// show vec_mergeh and vec_mergel is faster on little-endian
// machines by 0.4 cpb. Benchmarks show VecPermute is faster on
// big-endian machines by 1.5 cpb. The code that uses
// vec_mergeh and vec_mergel is about 880 bytes shorter.
#if defined(__GNUC__) && (__BIG_ENDIAN__)
# define vec_merge_hi(a,b) VecPermute(a,b, HH_MASK)
# define vec_merge_lo(a,b) VecPermute(a,b, LL_MASK)
#else
# define vec_merge_hi(a,b) vec_mergeh(a,b)
# define vec_merge_lo(a,b) vec_mergel(a,b)
#endif
void BLAKE2_Compress64_POWER8(const byte* input, BLAKE2b_State& state)
{
// Permute masks. High is element 0 (most significant),
// low is element 1 (least significant).
#if defined(__GNUC__) && (__BIG_ENDIAN__)
const uint8x16_p HH_MASK = { 0,1,2,3,4,5,6,7, 16,17,18,19,20,21,22,23 };
const uint8x16_p LL_MASK = { 8,9,10,11,12,13,14,15, 24,25,26,27,28,29,30,31 };
#endif
const uint8x16_p HL_MASK = { 0,1,2,3,4,5,6,7, 24,25,26,27,28,29,30,31 };
const uint8x16_p LH_MASK = { 8,9,10,11,12,13,14,15, 16,17,18,19,20,21,22,23 };
#define BLAKE2B_LOAD_MSG_0_1(b0, b1) \
do { \
b0 = vec_merge_hi(m0, m1); \
b1 = vec_merge_hi(m2, m3); \
} while(0)
#define BLAKE2B_LOAD_MSG_0_2(b0, b1) \
do { \
b0 = vec_merge_lo(m0, m1); \
b1 = vec_merge_lo(m2, m3); \
} while(0)
#define BLAKE2B_LOAD_MSG_0_3(b0, b1) \
do { \
b0 = vec_merge_hi(m4, m5); \
b1 = vec_merge_hi(m6, m7); \
} while(0)
#define BLAKE2B_LOAD_MSG_0_4(b0, b1) \
do { \
b0 = vec_merge_lo(m4, m5); \
b1 = vec_merge_lo(m6, m7); \
} while(0)
#define BLAKE2B_LOAD_MSG_1_1(b0, b1) \
do { \
b0 = vec_merge_hi(m7, m2); \
b1 = vec_merge_lo(m4, m6); \
} while(0)
#define BLAKE2B_LOAD_MSG_1_2(b0, b1) \
do { \
b0 = vec_merge_hi(m5, m4); \
b1 = vec_shl_octet(m7, m3, 1); \
} while(0)
#define BLAKE2B_LOAD_MSG_1_3(b0, b1) \
do { \
b0 = vec_shl_octet(m0, m0, 1); \
b1 = vec_merge_lo(m5, m2); \
} while(0)
#define BLAKE2B_LOAD_MSG_1_4(b0, b1) \
do { \
b0 = vec_merge_hi(m6, m1); \
b1 = vec_merge_lo(m3, m1); \
} while(0)
#define BLAKE2B_LOAD_MSG_2_1(b0, b1) \
do { \
b0 = vec_shl_octet(m5, m6, 1); \
b1 = vec_merge_lo(m2, m7); \
} while(0)
#define BLAKE2B_LOAD_MSG_2_2(b0, b1) \
do { \
b0 = vec_merge_hi(m4, m0); \
b1 = VecPermute(m1, m6, HL_MASK); \
} while(0)
#define BLAKE2B_LOAD_MSG_2_3(b0, b1) \
do { \
b0 = VecPermute(m5, m1, HL_MASK); \
b1 = vec_merge_lo(m3, m4); \
} while(0)
#define BLAKE2B_LOAD_MSG_2_4(b0, b1) \
do { \
b0 = vec_merge_hi(m7, m3); \
b1 = vec_shl_octet(m0, m2, 1); \
} while(0)
#define BLAKE2B_LOAD_MSG_3_1(b0, b1) \
do { \
b0 = vec_merge_lo(m3, m1); \
b1 = vec_merge_lo(m6, m5); \
} while(0)
#define BLAKE2B_LOAD_MSG_3_2(b0, b1) \
do { \
b0 = vec_merge_lo(m4, m0); \
b1 = vec_merge_hi(m6, m7); \
} while(0)
#define BLAKE2B_LOAD_MSG_3_3(b0, b1) \
do { \
b0 = VecPermute(m1, m2, HL_MASK); \
b1 = VecPermute(m2, m7, HL_MASK); \
} while(0)
#define BLAKE2B_LOAD_MSG_3_4(b0, b1) \
do { \
b0 = vec_merge_hi(m3, m5); \
b1 = vec_merge_hi(m0, m4); \
} while(0)
#define BLAKE2B_LOAD_MSG_4_1(b0, b1) \
do { \
b0 = vec_merge_lo(m4, m2); \
b1 = vec_merge_hi(m1, m5); \
} while(0)
#define BLAKE2B_LOAD_MSG_4_2(b0, b1) \
do { \
b0 = VecPermute(m0, m3, HL_MASK); \
b1 = VecPermute(m2, m7, HL_MASK); \
} while(0)
#define BLAKE2B_LOAD_MSG_4_3(b0, b1) \
do { \
b0 = VecPermute(m7, m5, HL_MASK); \
b1 = VecPermute(m3, m1, HL_MASK); \
} while(0)
#define BLAKE2B_LOAD_MSG_4_4(b0, b1) \
do { \
b0 = vec_shl_octet(m0, m6, 1); \
b1 = VecPermute(m4, m6, HL_MASK); \
} while(0)
#define BLAKE2B_LOAD_MSG_5_1(b0, b1) \
do { \
b0 = vec_merge_hi(m1, m3); \
b1 = vec_merge_hi(m0, m4); \
} while(0)
#define BLAKE2B_LOAD_MSG_5_2(b0, b1) \
do { \
b0 = vec_merge_hi(m6, m5); \
b1 = vec_merge_lo(m5, m1); \
} while(0)
#define BLAKE2B_LOAD_MSG_5_3(b0, b1) \
do { \
b0 = VecPermute(m2, m3, HL_MASK); \
b1 = vec_merge_lo(m7, m0); \
} while(0)
#define BLAKE2B_LOAD_MSG_5_4(b0, b1) \
do { \
b0 = vec_merge_lo(m6, m2); \
b1 = VecPermute(m7, m4, HL_MASK); \
} while(0)
#define BLAKE2B_LOAD_MSG_6_1(b0, b1) \
do { \
b0 = VecPermute(m6, m0, HL_MASK); \
b1 = vec_merge_hi(m7, m2); \
} while(0)
#define BLAKE2B_LOAD_MSG_6_2(b0, b1) \
do { \
b0 = vec_merge_lo(m2, m7); \
b1 = vec_shl_octet(m6, m5, 1); \
} while(0)
#define BLAKE2B_LOAD_MSG_6_3(b0, b1) \
do { \
b0 = vec_merge_hi(m0, m3); \
b1 = vec_shl_octet(m4, m4, 1); \
} while(0)
#define BLAKE2B_LOAD_MSG_6_4(b0, b1) \
do { \
b0 = vec_merge_lo(m3, m1); \
b1 = VecPermute(m1, m5, HL_MASK); \