Library import 16 (#2433)

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1 files changed, 91 insertions, 0 deletions

diff --git a/contrib/tools/python3/Modules/_blake2/impl/blake2s-round.h b/contrib/tools/python3/Modules/_blake2/impl/blake2s-round.h
new file mode 100644
index 0000000000..3af4be35be
--- /dev/null
+++ b/contrib/tools/python3/Modules/_blake2/impl/blake2s-round.h
@@ -0,0 +1,91 @@
+/*
+   BLAKE2 reference source code package - optimized C implementations
+
+   Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
+
+   To the extent possible under law, the author(s) have dedicated all copyright
+   and related and neighboring rights to this software to the public domain
+   worldwide. This software is distributed without any warranty.
+
+   You should have received a copy of the CC0 Public Domain Dedication along with
+   this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
+*/
+#pragma once
+#ifndef __BLAKE2S_ROUND_H__
+#define __BLAKE2S_ROUND_H__
+
+#define LOAD(p)  _mm_load_si128( (__m128i *)(p) )
+#define STORE(p,r) _mm_store_si128((__m128i *)(p), r)
+
+#define LOADU(p)  _mm_loadu_si128( (__m128i *)(p) )
+#define STOREU(p,r) _mm_storeu_si128((__m128i *)(p), r)
+
+#define TOF(reg) _mm_castsi128_ps((reg))
+#define TOI(reg) _mm_castps_si128((reg))
+
+#define LIKELY(x) __builtin_expect((x),1)
+
+
+/* Microarchitecture-specific macros */
+#ifndef HAVE_XOP
+#ifdef HAVE_SSSE3
+#define _mm_roti_epi32(r, c) ( \
+                (8==-(c)) ? _mm_shuffle_epi8(r,r8) \
+              : (16==-(c)) ? _mm_shuffle_epi8(r,r16) \
+              : _mm_xor_si128(_mm_srli_epi32( (r), -(c) ),_mm_slli_epi32( (r), 32-(-(c)) )) )
+#else
+#define _mm_roti_epi32(r, c) _mm_xor_si128(_mm_srli_epi32( (r), -(c) ),_mm_slli_epi32( (r), 32-(-(c)) ))
+#endif
+#else
+/* ... */
+#endif
+
+
+#define G1(row1,row2,row3,row4,buf) \
+  row1 = _mm_add_epi32( _mm_add_epi32( row1, buf), row2 ); \
+  row4 = _mm_xor_si128( row4, row1 ); \
+  row4 = _mm_roti_epi32(row4, -16); \
+  row3 = _mm_add_epi32( row3, row4 );   \
+  row2 = _mm_xor_si128( row2, row3 ); \
+  row2 = _mm_roti_epi32(row2, -12);
+
+#define G2(row1,row2,row3,row4,buf) \
+  row1 = _mm_add_epi32( _mm_add_epi32( row1, buf), row2 ); \
+  row4 = _mm_xor_si128( row4, row1 ); \
+  row4 = _mm_roti_epi32(row4, -8); \
+  row3 = _mm_add_epi32( row3, row4 );   \
+  row2 = _mm_xor_si128( row2, row3 ); \
+  row2 = _mm_roti_epi32(row2, -7);
+
+#define DIAGONALIZE(row1,row2,row3,row4) \
+  row4 = _mm_shuffle_epi32( row4, _MM_SHUFFLE(2,1,0,3) ); \
+  row3 = _mm_shuffle_epi32( row3, _MM_SHUFFLE(1,0,3,2) ); \
+  row2 = _mm_shuffle_epi32( row2, _MM_SHUFFLE(0,3,2,1) );
+
+#define UNDIAGONALIZE(row1,row2,row3,row4) \
+  row4 = _mm_shuffle_epi32( row4, _MM_SHUFFLE(0,3,2,1) ); \
+  row3 = _mm_shuffle_epi32( row3, _MM_SHUFFLE(1,0,3,2) ); \
+  row2 = _mm_shuffle_epi32( row2, _MM_SHUFFLE(2,1,0,3) );
+
+#if defined(HAVE_XOP)
+#include "blake2s-load-xop.h"
+#elif defined(HAVE_SSE4_1)
+#include "blake2s-load-sse41.h"
+#else
+#include "blake2s-load-sse2.h"
+#endif
+
+#define ROUND(r)  \
+  LOAD_MSG_ ##r ##_1(buf1); \
+  G1(row1,row2,row3,row4,buf1); \
+  LOAD_MSG_ ##r ##_2(buf2); \
+  G2(row1,row2,row3,row4,buf2); \
+  DIAGONALIZE(row1,row2,row3,row4); \
+  LOAD_MSG_ ##r ##_3(buf3); \
+  G1(row1,row2,row3,row4,buf3); \
+  LOAD_MSG_ ##r ##_4(buf4); \
+  G2(row1,row2,row3,row4,buf4); \
+  UNDIAGONALIZE(row1,row2,row3,row4); \
+
+#endif
+