4-way SSE4.1 implementation for double SHA256 on 64-byte inputs

7 files changed, 363 insertions, 7 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index 04bd75a2a5..1fa11f98e2 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -30,6 +30,7 @@ LIBBITCOIN_CONSENSUS=libbitcoin_consensus.a
 LIBBITCOIN_CLI=libbitcoin_cli.a
 LIBBITCOIN_UTIL=libbitcoin_util.a
 LIBBITCOIN_CRYPTO=crypto/libbitcoin_crypto.a
+LIBBITCOIN_CRYPTO_SSE41=crypto/libbitcoin_crypto_sse41.a
 LIBBITCOINQT=qt/libbitcoinqt.a
 LIBSECP256K1=secp256k1/libsecp256k1.la
 
@@ -50,6 +51,7 @@ $(LIBSECP256K1): $(wildcard secp256k1/src/*) $(wildcard secp256k1/include/*)
 # But to build the less dependent modules first, we manually select their order here:
 EXTRA_LIBRARIES += \
   $(LIBBITCOIN_CRYPTO) \
+  $(LIBBITCOIN_CRYPTO_SSE41) \
   $(LIBBITCOIN_UTIL) \
   $(LIBBITCOIN_COMMON) \
   $(LIBBITCOIN_CONSENSUS) \
@@ -289,6 +291,14 @@ if USE_ASM
 crypto_libbitcoin_crypto_a_SOURCES += crypto/sha256_sse4.cpp
 endif
 
+crypto_libbitcoin_crypto_sse41_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
+crypto_libbitcoin_crypto_sse41_a_CPPFLAGS = $(AM_CPPFLAGS)
+if ENABLE_SSE41
+crypto_libbitcoin_crypto_sse41_a_CXXFLAGS += $(SSE41_CXXFLAGS)
+crypto_libbitcoin_crypto_sse41_a_CPPFLAGS += -DENABLE_SSE41
+endif
+crypto_libbitcoin_crypto_sse41_a_SOURCES = crypto/sha256_sse41.cpp
+
 # consensus: shared between all executables that validate any consensus rules.
 libbitcoin_consensus_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
 libbitcoin_consensus_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
@@ -411,6 +421,7 @@ bitcoind_LDADD = \
   $(LIBBITCOIN_ZMQ) \
   $(LIBBITCOIN_CONSENSUS) \
   $(LIBBITCOIN_CRYPTO) \
+  $(LIBBITCOIN_CRYPTO_SSE41) \
   $(LIBLEVELDB) \
   $(LIBLEVELDB_SSE42) \
   $(LIBMEMENV) \
@@ -432,7 +443,8 @@ bitcoin_cli_LDADD = \
   $(LIBBITCOIN_CLI) \
   $(LIBUNIVALUE) \
   $(LIBBITCOIN_UTIL) \
-  $(LIBBITCOIN_CRYPTO)
+  $(LIBBITCOIN_CRYPTO) \
+  $(LIBBITCOIN_CRYPTO_SSE41)
 
 bitcoin_cli_LDADD += $(BOOST_LIBS) $(SSL_LIBS) $(CRYPTO_LIBS) $(EVENT_LIBS)
 #
@@ -453,6 +465,7 @@ bitcoin_tx_LDADD = \
   $(LIBBITCOIN_UTIL) \
   $(LIBBITCOIN_CONSENSUS) \
   $(LIBBITCOIN_CRYPTO) \
+  $(LIBBITCOIN_CRYPTO_SSE41) \
   $(LIBSECP256K1)
 
 bitcoin_tx_LDADD += $(BOOST_LIBS) $(CRYPTO_LIBS)
diff --git a/src/Makefile.bench.include b/src/Makefile.bench.include
index 32de1582f8..8111d0af47 100644
--- a/src/Makefile.bench.include
+++ b/src/Makefile.bench.include
@@ -39,6 +39,7 @@ bench_bench_bitcoin_LDADD = \
   $(LIBBITCOIN_UTIL) \
   $(LIBBITCOIN_CONSENSUS) \
   $(LIBBITCOIN_CRYPTO) \
+  $(LIBBITCOIN_CRYPTO_SSE41) \
   $(LIBLEVELDB) \
   $(LIBLEVELDB_SSE42) \
   $(LIBMEMENV) \
diff --git a/src/Makefile.qt.include b/src/Makefile.qt.include
index 38eb12ce0d..0e2c3d8a8c 100644
--- a/src/Makefile.qt.include
+++ b/src/Makefile.qt.include
@@ -407,7 +407,7 @@ endif
 if ENABLE_ZMQ
 qt_bitcoin_qt_LDADD += $(LIBBITCOIN_ZMQ) $(ZMQ_LIBS)
 endif
-qt_bitcoin_qt_LDADD += $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCOIN_UTIL) $(LIBBITCOIN_CONSENSUS) $(LIBBITCOIN_CRYPTO) $(LIBUNIVALUE) $(LIBLEVELDB) $(LIBLEVELDB_SSE42) $(LIBMEMENV) \
+qt_bitcoin_qt_LDADD += $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCOIN_UTIL) $(LIBBITCOIN_CONSENSUS) $(LIBBITCOIN_CRYPTO) $(LIBBITCOIN_CRYPTO_SSE41) $(LIBUNIVALUE) $(LIBLEVELDB) $(LIBLEVELDB_SSE42) $(LIBMEMENV) \
   $(BOOST_LIBS) $(QT_LIBS) $(QT_DBUS_LIBS) $(QR_LIBS) $(PROTOBUF_LIBS) $(BDB_LIBS) $(SSL_LIBS) $(CRYPTO_LIBS) $(MINIUPNPC_LIBS) $(LIBSECP256K1) \
   $(EVENT_PTHREADS_LIBS) $(EVENT_LIBS)
 qt_bitcoin_qt_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(QT_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
diff --git a/src/Makefile.qttest.include b/src/Makefile.qttest.include
index 4b14212b2e..11bc592559 100644
--- a/src/Makefile.qttest.include
+++ b/src/Makefile.qttest.include
@@ -62,7 +62,7 @@ endif
 if ENABLE_ZMQ
 qt_test_test_bitcoin_qt_LDADD += $(LIBBITCOIN_ZMQ) $(ZMQ_LIBS)
 endif
-qt_test_test_bitcoin_qt_LDADD += $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCOIN_UTIL) $(LIBBITCOIN_CONSENSUS) $(LIBBITCOIN_CRYPTO) $(LIBUNIVALUE) $(LIBLEVELDB) \
+qt_test_test_bitcoin_qt_LDADD += $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCOIN_UTIL) $(LIBBITCOIN_CONSENSUS) $(LIBBITCOIN_CRYPTO) $(LIBBITCOIN_CRYPTO_SSE41) $(LIBUNIVALUE) $(LIBLEVELDB) \
   $(LIBLEVELDB_SSE42) $(LIBMEMENV) $(BOOST_LIBS) $(QT_DBUS_LIBS) $(QT_TEST_LIBS) $(QT_LIBS) \
   $(QR_LIBS) $(PROTOBUF_LIBS) $(BDB_LIBS) $(SSL_LIBS) $(CRYPTO_LIBS) $(MINIUPNPC_LIBS) $(LIBSECP256K1) \
   $(EVENT_PTHREADS_LIBS) $(EVENT_LIBS)
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index 91d3a3d47c..6b06c14645 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -108,7 +108,8 @@ test_test_bitcoin_LDADD =
 if ENABLE_WALLET
 test_test_bitcoin_LDADD += $(LIBBITCOIN_WALLET)
 endif
-test_test_bitcoin_LDADD += $(LIBBITCOIN_SERVER) $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCOIN_UTIL) $(LIBBITCOIN_CONSENSUS) $(LIBBITCOIN_CRYPTO) $(LIBUNIVALUE) \
+
+test_test_bitcoin_LDADD += $(LIBBITCOIN_SERVER) $(LIBBITCOIN_CLI) $(LIBBITCOIN_COMMON) $(LIBBITCOIN_UTIL) $(LIBBITCOIN_CONSENSUS) $(LIBBITCOIN_CRYPTO) $(LIBBITCOIN_CRYPTO_SSE41) $(LIBUNIVALUE) \
   $(LIBLEVELDB) $(LIBLEVELDB_SSE42) $(LIBMEMENV) $(BOOST_LIBS) $(BOOST_UNIT_TEST_FRAMEWORK_LIB) $(LIBSECP256K1) $(EVENT_LIBS) $(EVENT_PTHREADS_LIBS)
 test_test_bitcoin_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 
@@ -133,6 +134,7 @@ test_test_bitcoin_fuzzy_LDADD = \
   $(LIBBITCOIN_UTIL) \
   $(LIBBITCOIN_CONSENSUS) \
   $(LIBBITCOIN_CRYPTO) \
+  $(LIBBITCOIN_CRYPTO_SSE41) \
   $(LIBSECP256K1)
 
 test_test_bitcoin_fuzzy_LDADD += $(BOOST_LIBS) $(CRYPTO_LIBS)
diff --git a/src/crypto/sha256.cpp b/src/crypto/sha256.cpp
index 3b40254e63..2bf019ed34 100644
--- a/src/crypto/sha256.cpp
+++ b/src/crypto/sha256.cpp
@@ -19,6 +19,11 @@ void Transform(uint32_t* s, const unsigned char* chunk, size_t blocks);
 #endif
 #endif
 
+namespace sha256d64_sse41
+{
+void Transform_4way(unsigned char* out, const unsigned char* in);
+}
+
 // Internal implementation code.
 namespace
 {
@@ -465,22 +470,28 @@ bool SelfTest(TransformType tr) {
 
 TransformType Transform = sha256::Transform;
 TransformD64Type TransformD64 = sha256::TransformD64;
+TransformD64Type TransformD64_4way = nullptr;
 } // namespace
 
 std::string SHA256AutoDetect()
 {
+    std::string ret = "standard";
 #if defined(USE_ASM) && (defined(__x86_64__) || defined(__amd64__))
     uint32_t eax, ebx, ecx, edx;
     if (__get_cpuid(1, &eax, &ebx, &ecx, &edx) && (ecx >> 19) & 1) {
         Transform = sha256_sse4::Transform;
         TransformD64 = TransformD64Wrapper<sha256_sse4::Transform>;
-        assert(SelfTest(Transform));
-        return "sse4";
+#if defined(ENABLE_SSE41) && !defined(BUILD_BITCOIN_INTERNAL)
+        TransformD64_4way = sha256d64_sse41::Transform_4way;
+        ret = "sse4(1way+4way)";
+#else
+        ret = "sse4";
+#endif
     }
 #endif
 
     assert(SelfTest(Transform));
-    return "standard";
+    return ret;
 }
 
 ////// SHA-256
@@ -542,6 +553,14 @@ CSHA256& CSHA256::Reset()
 
 void SHA256D64(unsigned char* out, const unsigned char* in, size_t blocks)
 {
+    if (TransformD64_4way) {
+        while (blocks >= 4) {
+            TransformD64_4way(out, in);
+            out += 128;
+            in += 256;
+            blocks -= 4;
+        }
+    }
     while (blocks) {
         TransformD64(out, in);
         out += 32;
diff --git a/src/crypto/sha256_sse41.cpp b/src/crypto/sha256_sse41.cpp
new file mode 100644
index 0000000000..a11d658c70
--- /dev/null
+++ b/src/crypto/sha256_sse41.cpp
@@ -0,0 +1,321 @@
+#ifdef ENABLE_SSE41
+
+#include <stdint.h>
+#if defined(_MSC_VER)
+#include <immintrin.h>
+#elif defined(__GNUC__)
+#include <x86intrin.h>
+#endif
+
+#include "crypto/sha256.h"
+#include "crypto/common.h"
+
+namespace sha256d64_sse41 {
+namespace {
+
+__m128i inline K(uint32_t x) { return _mm_set1_epi32(x); }
+
+__m128i inline Add(__m128i x, __m128i y) { return _mm_add_epi32(x, y); }
+__m128i inline Add(__m128i x, __m128i y, __m128i z) { return Add(Add(x, y), z); }
+__m128i inline Add(__m128i x, __m128i y, __m128i z, __m128i w) { return Add(Add(x, y), Add(z, w)); }
+__m128i inline Add(__m128i x, __m128i y, __m128i z, __m128i w, __m128i v) { return Add(Add(x, y, z), Add(w, v)); }
+__m128i inline Inc(__m128i& x, __m128i y) { x = Add(x, y); return x; }
+__m128i inline Inc(__m128i& x, __m128i y, __m128i z) { x = Add(x, y, z); return x; }
+__m128i inline Inc(__m128i& x, __m128i y, __m128i z, __m128i w) { x = Add(x, y, z, w); return x; }
+__m128i inline Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); }
+__m128i inline Xor(__m128i x, __m128i y, __m128i z) { return Xor(Xor(x, y), z); }
+__m128i inline Or(__m128i x, __m128i y) { return _mm_or_si128(x, y); }
+__m128i inline And(__m128i x, __m128i y) { return _mm_and_si128(x, y); }
+__m128i inline ShR(__m128i x, int n) { return _mm_srli_epi32(x, n); }
+__m128i inline ShL(__m128i x, int n) { return _mm_slli_epi32(x, n); }
+
+__m128i inline Ch(__m128i x, __m128i y, __m128i z) { return Xor(z, And(x, Xor(y, z))); }
+__m128i inline Maj(__m128i x, __m128i y, __m128i z) { return Or(And(x, y), And(z, Or(x, y))); }
+__m128i inline Sigma0(__m128i x) { return Xor(Or(ShR(x, 2), ShL(x, 30)), Or(ShR(x, 13), ShL(x, 19)), Or(ShR(x, 22), ShL(x, 10))); }
+__m128i inline Sigma1(__m128i x) { return Xor(Or(ShR(x, 6), ShL(x, 26)), Or(ShR(x, 11), ShL(x, 21)), Or(ShR(x, 25), ShL(x, 7))); }
+__m128i inline sigma0(__m128i x) { return Xor(Or(ShR(x, 7), ShL(x, 25)), Or(ShR(x, 18), ShL(x, 14)), ShR(x, 3)); }
+__m128i inline sigma1(__m128i x) { return Xor(Or(ShR(x, 17), ShL(x, 15)), Or(ShR(x, 19), ShL(x, 13)), ShR(x, 10)); }
+
+/** One round of SHA-256. */
+void inline __attribute__((always_inline)) Round(__m128i a, __m128i b, __m128i c, __m128i& d, __m128i e, __m128i f, __m128i g, __m128i& h, __m128i k)
+{
+    __m128i t1 = Add(h, Sigma1(e), Ch(e, f, g), k);
+    __m128i t2 = Add(Sigma0(a), Maj(a, b, c));
+    d = Add(d, t1);
+    h = Add(t1, t2);
+}
+
+__m128i inline Read4(const unsigned char* chunk, int offset) {
+    __m128i ret = _mm_set_epi32(
+        ReadLE32(chunk + 0 + offset),
+        ReadLE32(chunk + 64 + offset),
+        ReadLE32(chunk + 128 + offset),
+        ReadLE32(chunk + 192 + offset)
+    );
+    return _mm_shuffle_epi8(ret, _mm_set_epi32(0x0C0D0E0FUL, 0x08090A0BUL, 0x04050607UL, 0x00010203UL));
+}
+
+void inline Write4(unsigned char* out, int offset, __m128i v) {
+    v = _mm_shuffle_epi8(v, _mm_set_epi32(0x0C0D0E0FUL, 0x08090A0BUL, 0x04050607UL, 0x00010203UL));
+    WriteLE32(out + 0 + offset, _mm_extract_epi32(v, 3));
+    WriteLE32(out + 32 + offset, _mm_extract_epi32(v, 2));
+    WriteLE32(out + 64 + offset, _mm_extract_epi32(v, 1));
+    WriteLE32(out + 96 + offset, _mm_extract_epi32(v, 0));
+}
+
+}
+
+void Transform_4way(unsigned char* out, const unsigned char* in)
+{
+    // Transform 1
+    __m128i a = K(0x6a09e667ul);
+    __m128i b = K(0xbb67ae85ul);
+    __m128i c = K(0x3c6ef372ul);
+    __m128i d = K(0xa54ff53aul);
+    __m128i e = K(0x510e527ful);
+    __m128i f = K(0x9b05688cul);
+    __m128i g = K(0x1f83d9abul);
+    __m128i h = K(0x5be0cd19ul);
+
+    __m128i w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15;
+
+    Round(a, b, c, d, e, f, g, h, Add(K(0x428a2f98ul), w0 = Read4(in, 0)));
+    Round(h, a, b, c, d, e, f, g, Add(K(0x71374491ul), w1 = Read4(in, 4)));
+    Round(g, h, a, b, c, d, e, f, Add(K(0xb5c0fbcful), w2 = Read4(in, 8)));
+    Round(f, g, h, a, b, c, d, e, Add(K(0xe9b5dba5ul), w3 = Read4(in, 12)));
+    Round(e, f, g, h, a, b, c, d, Add(K(0x3956c25bul), w4 = Read4(in, 16)));
+    Round(d, e, f, g, h, a, b, c, Add(K(0x59f111f1ul), w5 = Read4(in, 20)));
+    Round(c, d, e, f, g, h, a, b, Add(K(0x923f82a4ul), w6 = Read4(in, 24)));
+    Round(b, c, d, e, f, g, h, a, Add(K(0xab1c5ed5ul), w7 = Read4(in, 28)));
+    Round(a, b, c, d, e, f, g, h, Add(K(0xd807aa98ul), w8 = Read4(in, 32)));
+    Round(h, a, b, c, d, e, f, g, Add(K(0x12835b01ul), w9 = Read4(in, 36)));
+    Round(g, h, a, b, c, d, e, f, Add(K(0x243185beul), w10 = Read4(in, 40)));
+    Round(f, g, h, a, b, c, d, e, Add(K(0x550c7dc3ul), w11 = Read4(in, 44)));
+    Round(e, f, g, h, a, b, c, d, Add(K(0x72be5d74ul), w12 = Read4(in, 48)));
+    Round(d, e, f, g, h, a, b, c, Add(K(0x80deb1feul), w13 = Read4(in, 52)));
+    Round(c, d, e, f, g, h, a, b, Add(K(0x9bdc06a7ul), w14 = Read4(in, 56)));
+    Round(b, c, d, e, f, g, h, a, Add(K(0xc19bf174ul), w15 = Read4(in, 60)));
+    Round(a, b, c, d, e, f, g, h, Add(K(0xe49b69c1ul), Inc(w0, sigma1(w14), w9, sigma0(w1))));
+    Round(h, a, b, c, d, e, f, g, Add(K(0xefbe4786ul), Inc(w1, sigma1(w15), w10, sigma0(w2))));
+    Round(g, h, a, b, c, d, e, f, Add(K(0x0fc19dc6ul), Inc(w2, sigma1(w0), w11, sigma0(w3))));
+    Round(f, g, h, a, b, c, d, e, Add(K(0x240ca1ccul), Inc(w3, sigma1(w1), w12, sigma0(w4))));
+    Round(e, f, g, h, a, b, c, d, Add(K(0x2de92c6ful), Inc(w4, sigma1(w2), w13, sigma0(w5))));
+    Round(d, e, f, g, h, a, b, c, Add(K(0x4a7484aaul), Inc(w5, sigma1(w3), w14, sigma0(w6))));
+    Round(c, d, e, f, g, h, a, b, Add(K(0x5cb0a9dcul), Inc(w6, sigma1(w4), w15, sigma0(w7))));
+    Round(b, c, d, e, f, g, h, a, Add(K(0x76f988daul), Inc(w7, sigma1(w5), w0, sigma0(w8))));
+    Round(a, b, c, d, e, f, g, h, Add(K(0x983e5152ul), Inc(w8, sigma1(w6), w1, sigma0(w9))));
+    Round(h, a, b, c, d, e, f, g, Add(K(0xa831c66dul), Inc(w9, sigma1(w7), w2, sigma0(w10))));
+    Round(g, h, a, b, c, d, e, f, Add(K(0xb00327c8ul), Inc(w10, sigma1(w8), w3, sigma0(w11))));
+    Round(f, g, h, a, b, c, d, e, Add(K(0xbf597fc7ul), Inc(w11, sigma1(w9), w4, sigma0(w12))));
+    Round(e, f, g, h, a, b, c, d, Add(K(0xc6e00bf3ul), Inc(w12, sigma1(w10), w5, sigma0(w13))));
+    Round(d, e, f, g, h, a, b, c, Add(K(0xd5a79147ul), Inc(w13, sigma1(w11), w6, sigma0(w14))));
+    Round(c, d, e, f, g, h, a, b, Add(K(0x06ca6351ul), Inc(w14, sigma1(w12), w7, sigma0(w15))));
+    Round(b, c, d, e, f, g, h, a, Add(K(0x14292967ul), Inc(w15, sigma1(w13), w8, sigma0(w0))));
+    Round(a, b, c, d, e, f, g, h, Add(K(0x27b70a85ul), Inc(w0, sigma1(w14), w9, sigma0(w1))));
+    Round(h, a, b, c, d, e, f, g, Add(K(0x2e1b2138ul), Inc(w1, sigma1(w15), w10, sigma0(w2))));
+    Round(g, h, a, b, c, d, e, f, Add(K(0x4d2c6dfcul), Inc(w2, sigma1(w0), w11, sigma0(w3))));
+    Round(f, g, h, a, b, c, d, e, Add(K(0x53380d13ul), Inc(w3, sigma1(w1), w12, sigma0(w4))));
+    Round(e, f, g, h, a, b, c, d, Add(K(0x650a7354ul), Inc(w4, sigma1(w2), w13, sigma0(w5))));
+    Round(d, e, f, g, h, a, b, c, Add(K(0x766a0abbul), Inc(w5, sigma1(w3), w14, sigma0(w6))));
+    Round(c, d, e, f, g, h, a, b, Add(K(0x81c2c92eul), Inc(w6, sigma1(w4), w15, sigma0(w7))));
+    Round(b, c, d, e, f, g, h, a, Add(K(0x92722c85ul), Inc(w7, sigma1(w5), w0, sigma0(w8))));
+    Round(a, b, c, d, e, f, g, h, Add(K(0xa2bfe8a1ul), Inc(w8, sigma1(w6), w1, sigma0(w9))));
+    Round(h, a, b, c, d, e, f, g, Add(K(0xa81a664bul), Inc(w9, sigma1(w7), w2, sigma0(w10))));
+    Round(g, h, a, b, c, d, e, f, Add(K(0xc24b8b70ul), Inc(w10, sigma1(w8), w3, sigma0(w11))));
+    Round(f, g, h, a, b, c, d, e, Add(K(0xc76c51a3ul), Inc(w11, sigma1(w9), w4, sigma0(w12))));
+    Round(e, f, g, h, a, b, c, d, Add(K(0xd192e819ul), Inc(w12, sigma1(w10), w5, sigma0(w13))));
+    Round(d, e, f, g, h, a, b, c, Add(K(0xd6990624ul), Inc(w13, sigma1(w11), w6, sigma0(w14))));
+    Round(c, d, e, f, g, h, a, b, Add(K(0xf40e3585ul), Inc(w14, sigma1(w12), w7, sigma0(w15))));
+    Round(b, c, d, e, f, g, h, a, Add(K(0x106aa070ul), Inc(w15, sigma1(w13), w8, sigma0(w0))));
+    Round(a, b, c, d, e, f, g, h, Add(K(0x19a4c116ul), Inc(w0, sigma1(w14), w9, sigma0(w1))));
+    Round(h, a, b, c, d, e, f, g, Add(K(0x1e376c08ul), Inc(w1, sigma1(w15), w10, sigma0(w2))));
+    Round(g, h, a, b, c, d, e, f, Add(K(0x2748774cul), Inc(w2, sigma1(w0), w11, sigma0(w3))));
+    Round(f, g, h, a, b, c, d, e, Add(K(0x34b0bcb5ul), Inc(w3, sigma1(w1), w12, sigma0(w4))));
+    Round(e, f, g, h, a, b, c, d, Add(K(0x391c0cb3ul), Inc(w4, sigma1(w2), w13, sigma0(w5))));
+    Round(d, e, f, g, h, a, b, c, Add(K(0x4ed8aa4aul), Inc(w5, sigma1(w3), w14, sigma0(w6))));
+    Round(c, d, e, f, g, h, a, b, Add(K(0x5b9cca4ful), Inc(w6, sigma1(w4), w15, sigma0(w7))));
+    Round(b, c, d, e, f, g, h, a, Add(K(0x682e6ff3ul), Inc(w7, sigma1(w5), w0, sigma0(w8))));
+    Round(a, b, c, d, e, f, g, h, Add(K(0x748f82eeul), Inc(w8, sigma1(w6), w1, sigma0(w9))));
+    Round(h, a, b, c, d, e, f, g, Add(K(0x78a5636ful), Inc(w9, sigma1(w7), w2, sigma0(w10))));
+    Round(g, h, a, b, c, d, e, f, Add(K(0x84c87814ul), Inc(w10, sigma1(w8), w3, sigma0(w11))));
+    Round(f, g, h, a, b, c, d, e, Add(K(0x8cc70208ul), Inc(w11, sigma1(w9), w4, sigma0(w12))));
+    Round(e, f, g, h, a, b, c, d, Add(K(0x90befffaul), Inc(w12, sigma1(w10), w5, sigma0(w13))));
+    Round(d, e, f, g, h, a, b, c, Add(K(0xa4506cebul), Inc(w13, sigma1(w11), w6, sigma0(w14))));
+    Round(c, d, e, f, g, h, a, b, Add(K(0xbef9a3f7ul), Inc(w14, sigma1(w12), w7, sigma0(w15))));
+    Round(b, c, d, e, f, g, h, a, Add(K(0xc67178f2ul), Inc(w15, sigma1(w13), w8, sigma0(w0))));
+
+    a = Add(a, K(0x6a09e667ul));
+    b = Add(b, K(0xbb67ae85ul));
+    c = Add(c, K(0x3c6ef372ul));
+    d = Add(d, K(0xa54ff53aul));
+    e = Add(e, K(0x510e527ful));
+    f = Add(f, K(0x9b05688cul));
+    g = Add(g, K(0x1f83d9abul));
+    h = Add(h, K(0x5be0cd19ul));
+
+    __m128i t0 = a, t1 = b, t2 = c, t3 = d, t4 = e, t5 = f, t6 = g, t7 = h;
+
+    // Transform 2
+    Round(a, b, c, d, e, f, g, h, K(0xc28a2f98ul));
+    Round(h, a, b, c, d, e, f, g, K(0x71374491ul));
+    Round(g, h, a, b, c, d, e, f, K(0xb5c0fbcful));
+    Round(f, g, h, a, b, c, d, e, K(0xe9b5dba5ul));
+    Round(e, f, g, h, a, b, c, d, K(0x3956c25bul));
+    Round(d, e, f, g, h, a, b, c, K(0x59f111f1ul));
+    Round(c, d, e, f, g, h, a, b, K(0x923f82a4ul));
+    Round(b, c, d, e, f, g, h, a, K(0xab1c5ed5ul));
+    Round(a, b, c, d, e, f, g, h, K(0xd807aa98ul));
+    Round(h, a, b, c, d, e, f, g, K(0x12835b01ul));
+    Round(g, h, a, b, c, d, e, f, K(0x243185beul));
+    Round(f, g, h, a, b, c, d, e, K(0x550c7dc3ul));
+    Round(e, f, g, h, a, b, c, d, K(0x72be5d74ul));
+    Round(d, e, f, g, h, a, b, c, K(0x80deb1feul));
+    Round(c, d, e, f, g, h, a, b, K(0x9bdc06a7ul));
+    Round(b, c, d, e, f, g, h, a, K(0xc19bf374ul));
+    Round(a, b, c, d, e, f, g, h, K(0x649b69c1ul));
+    Round(h, a, b, c, d, e, f, g, K(0xf0fe4786ul));
+    Round(g, h, a, b, c, d, e, f, K(0x0fe1edc6ul));
+    Round(f, g, h, a, b, c, d, e, K(0x240cf254ul));
+    Round(e, f, g, h, a, b, c, d, K(0x4fe9346ful));
+    Round(d, e, f, g, h, a, b, c, K(0x6cc984beul));
+    Round(c, d, e, f, g, h, a, b, K(0x61b9411eul));
+    Round(b, c, d, e, f, g, h, a, K(0x16f988faul));
+    Round(a, b, c, d, e, f, g, h, K(0xf2c65152ul));
+    Round(h, a, b, c, d, e, f, g, K(0xa88e5a6dul));
+    Round(g, h, a, b, c, d, e, f, K(0xb019fc65ul));
+    Round(f, g, h, a, b, c, d, e, K(0xb9d99ec7ul));
+    Round(e, f, g, h, a, b, c, d, K(0x9a1231c3ul));
+    Round(d, e, f, g, h, a, b, c, K(0xe70eeaa0ul));
+    Round(c, d, e, f, g, h, a, b, K(0xfdb1232bul));
+    Round(b, c, d, e, f, g, h, a, K(0xc7353eb0ul));
+    Round(a, b, c, d, e, f, g, h, K(0x3069bad5ul));
+    Round(h, a, b, c, d, e, f, g, K(0xcb976d5ful));
+    Round(g, h, a, b, c, d, e, f, K(0x5a0f118ful));
+    Round(f, g, h, a, b, c, d, e, K(0xdc1eeefdul));
+    Round(e, f, g, h, a, b, c, d, K(0x0a35b689ul));
+    Round(d, e, f, g, h, a, b, c, K(0xde0b7a04ul));
+    Round(c, d, e, f, g, h, a, b, K(0x58f4ca9dul));
+    Round(b, c, d, e, f, g, h, a, K(0xe15d5b16ul));
+    Round(a, b, c, d, e, f, g, h, K(0x007f3e86ul));
+    Round(h, a, b, c, d, e, f, g, K(0x37088980ul));
+    Round(g, h, a, b, c, d, e, f, K(0xa507ea32ul));
+    Round(f, g, h, a, b, c, d, e, K(0x6fab9537ul));
+    Round(e, f, g, h, a, b, c, d, K(0x17406110ul));
+    Round(d, e, f, g, h, a, b, c, K(0x0d8cd6f1ul));
+    Round(c, d, e, f, g, h, a, b, K(0xcdaa3b6dul));
+    Round(b, c, d, e, f, g, h, a, K(0xc0bbbe37ul));
+    Round(a, b, c, d, e, f, g, h, K(0x83613bdaul));
+    Round(h, a, b, c, d, e, f, g, K(0xdb48a363ul));
+    Round(g, h, a, b, c, d, e, f, K(0x0b02e931ul));
+    Round(f, g, h, a, b, c, d, e, K(0x6fd15ca7ul));
+    Round(e, f, g, h, a, b, c, d, K(0x521afacaul));
+    Round(d, e, f, g, h, a, b, c, K(0x31338431ul));
+    Round(c, d, e, f, g, h, a, b, K(0x6ed41a95ul));
+    Round(b, c, d, e, f, g, h, a, K(0x6d437890ul));
+    Round(a, b, c, d, e, f, g, h, K(0xc39c91f2ul));
+    Round(h, a, b, c, d, e, f, g, K(0x9eccabbdul));
+    Round(g, h, a, b, c, d, e, f, K(0xb5c9a0e6ul));
+    Round(f, g, h, a, b, c, d, e, K(0x532fb63cul));
+    Round(e, f, g, h, a, b, c, d, K(0xd2c741c6ul));
+    Round(d, e, f, g, h, a, b, c, K(0x07237ea3ul));
+    Round(c, d, e, f, g, h, a, b, K(0xa4954b68ul));
+    Round(b, c, d, e, f, g, h, a, K(0x4c191d76ul));
+
+    w0 = Add(t0, a);
+    w1 = Add(t1, b);
+    w2 = Add(t2, c);
+    w3 = Add(t3, d);
+    w4 = Add(t4, e);
+    w5 = Add(t5, f);
+    w6 = Add(t6, g);
+    w7 = Add(t7, h);
+
+    // Transform 3
+    a = K(0x6a09e667ul);
+    b = K(0xbb67ae85ul);
+    c = K(0x3c6ef372ul);
+    d = K(0xa54ff53aul);
+    e = K(0x510e527ful);
+    f = K(0x9b05688cul);
+    g = K(0x1f83d9abul);
+    h = K(0x5be0cd19ul);
+
+    Round(a, b, c, d, e, f, g, h, Add(K(0x428a2f98ul), w0));
+    Round(h, a, b, c, d, e, f, g, Add(K(0x71374491ul), w1));
+    Round(g, h, a, b, c, d, e, f, Add(K(0xb5c0fbcful), w2));
+    Round(f, g, h, a, b, c, d, e, Add(K(0xe9b5dba5ul), w3));
+    Round(e, f, g, h, a, b, c, d, Add(K(0x3956c25bul), w4));
+    Round(d, e, f, g, h, a, b, c, Add(K(0x59f111f1ul), w5));
+    Round(c, d, e, f, g, h, a, b, Add(K(0x923f82a4ul), w6));
+    Round(b, c, d, e, f, g, h, a, Add(K(0xab1c5ed5ul), w7));
+    Round(a, b, c, d, e, f, g, h, K(0x5807aa98ul));
+    Round(h, a, b, c, d, e, f, g, K(0x12835b01ul));
+    Round(g, h, a, b, c, d, e, f, K(0x243185beul));
+    Round(f, g, h, a, b, c, d, e, K(0x550c7dc3ul));
+    Round(e, f, g, h, a, b, c, d, K(0x72be5d74ul));
+    Round(d, e, f, g, h, a, b, c, K(0x80deb1feul));
+    Round(c, d, e, f, g, h, a, b, K(0x9bdc06a7ul));
+    Round(b, c, d, e, f, g, h, a, K(0xc19bf274ul));
+    Round(a, b, c, d, e, f, g, h, Add(K(0xe49b69c1ul), Inc(w0, sigma0(w1))));
+    Round(h, a, b, c, d, e, f, g, Add(K(0xefbe4786ul), Inc(w1, K(0xa00000ul), sigma0(w2))));
+    Round(g, h, a, b, c, d, e, f, Add(K(0x0fc19dc6ul), Inc(w2, sigma1(w0), sigma0(w3))));
+    Round(f, g, h, a, b, c, d, e, Add(K(0x240ca1ccul), Inc(w3, sigma1(w1), sigma0(w4))));
+    Round(e, f, g, h, a, b, c, d, Add(K(0x2de92c6ful), Inc(w4, sigma1(w2), sigma0(w5))));
+    Round(d, e, f, g, h, a, b, c, Add(K(0x4a7484aaul), Inc(w5, sigma1(w3), sigma0(w6))));
+    Round(c, d, e, f, g, h, a, b, Add(K(0x5cb0a9dcul), Inc(w6, sigma1(w4), K(0x100ul), sigma0(w7))));
+    Round(b, c, d, e, f, g, h, a, Add(K(0x76f988daul), Inc(w7, sigma1(w5), w0, K(0x11002000ul))));
+    Round(a, b, c, d, e, f, g, h, Add(K(0x983e5152ul), w8 = Add(K(0x80000000ul), sigma1(w6), w1)));
+    Round(h, a, b, c, d, e, f, g, Add(K(0xa831c66dul), w9 = Add(sigma1(w7), w2)));
+    Round(g, h, a, b, c, d, e, f, Add(K(0xb00327c8ul), w10 = Add(sigma1(w8), w3)));
+    Round(f, g, h, a, b, c, d, e, Add(K(0xbf597fc7ul), w11 = Add(sigma1(w9), w4)));
+    Round(e, f, g, h, a, b, c, d, Add(K(0xc6e00bf3ul), w12 = Add(sigma1(w10), w5)));
+    Round(d, e, f, g, h, a, b, c, Add(K(0xd5a79147ul), w13 = Add(sigma1(w11), w6)));
+    Round(c, d, e, f, g, h, a, b, Add(K(0x06ca6351ul), w14 = Add(sigma1(w12), w7, K(0x400022ul))));
+    Round(b, c, d, e, f, g, h, a, Add(K(0x14292967ul), w15 = Add(K(0x100ul), sigma1(w13), w8, sigma0(w0))));
+    Round(a, b, c, d, e, f, g, h, Add(K(0x27b70a85ul), Inc(w0, sigma1(w14), w9, sigma0(w1))));
+    Round(h, a, b, c, d, e, f, g, Add(K(0x2e1b2138ul), Inc(w1, sigma1(w15), w10, sigma0(w2))));
+    Round(g, h, a, b, c, d, e, f, Add(K(0x4d2c6dfcul), Inc(w2, sigma1(w0), w11, sigma0(w3))));
+    Round(f, g, h, a, b, c, d, e, Add(K(0x53380d13ul), Inc(w3, sigma1(w1), w12, sigma0(w4))));
+    Round(e, f, g, h, a, b, c, d, Add(K(0x650a7354ul), Inc(w4, sigma1(w2), w13, sigma0(w5))));
+    Round(d, e, f, g, h, a, b, c, Add(K(0x766a0abbul), Inc(w5, sigma1(w3), w14, sigma0(w6))));
+    Round(c, d, e, f, g, h, a, b, Add(K(0x81c2c92eul), Inc(w6, sigma1(w4), w15, sigma0(w7))));
+    Round(b, c, d, e, f, g, h, a, Add(K(0x92722c85ul), Inc(w7, sigma1(w5), w0, sigma0(w8))));
+    Round(a, b, c, d, e, f, g, h, Add(K(0xa2bfe8a1ul), Inc(w8, sigma1(w6), w1, sigma0(w9))));
+    Round(h, a, b, c, d, e, f, g, Add(K(0xa81a664bul), Inc(w9, sigma1(w7), w2, sigma0(w10))));
+    Round(g, h, a, b, c, d, e, f, Add(K(0xc24b8b70ul), Inc(w10, sigma1(w8), w3, sigma0(w11))));
+    Round(f, g, h, a, b, c, d, e, Add(K(0xc76c51a3ul), Inc(w11, sigma1(w9), w4, sigma0(w12))));
+    Round(e, f, g, h, a, b, c, d, Add(K(0xd192e819ul), Inc(w12, sigma1(w10), w5, sigma0(w13))));
+    Round(d, e, f, g, h, a, b, c, Add(K(0xd6990624ul), Inc(w13, sigma1(w11), w6, sigma0(w14))));
+    Round(c, d, e, f, g, h, a, b, Add(K(0xf40e3585ul), Inc(w14, sigma1(w12), w7, sigma0(w15))));
+    Round(b, c, d, e, f, g, h, a, Add(K(0x106aa070ul), Inc(w15, sigma1(w13), w8, sigma0(w0))));
+    Round(a, b, c, d, e, f, g, h, Add(K(0x19a4c116ul), Inc(w0, sigma1(w14), w9, sigma0(w1))));
+    Round(h, a, b, c, d, e, f, g, Add(K(0x1e376c08ul), Inc(w1, sigma1(w15), w10, sigma0(w2))));
+    Round(g, h, a, b, c, d, e, f, Add(K(0x2748774cul), Inc(w2, sigma1(w0), w11, sigma0(w3))));
+    Round(f, g, h, a, b, c, d, e, Add(K(0x34b0bcb5ul), Inc(w3, sigma1(w1), w12, sigma0(w4))));
+    Round(e, f, g, h, a, b, c, d, Add(K(0x391c0cb3ul), Inc(w4, sigma1(w2), w13, sigma0(w5))));
+    Round(d, e, f, g, h, a, b, c, Add(K(0x4ed8aa4aul), Inc(w5, sigma1(w3), w14, sigma0(w6))));
+    Round(c, d, e, f, g, h, a, b, Add(K(0x5b9cca4ful), Inc(w6, sigma1(w4), w15, sigma0(w7))));
+    Round(b, c, d, e, f, g, h, a, Add(K(0x682e6ff3ul), Inc(w7, sigma1(w5), w0, sigma0(w8))));
+    Round(a, b, c, d, e, f, g, h, Add(K(0x748f82eeul), Inc(w8, sigma1(w6), w1, sigma0(w9))));
+    Round(h, a, b, c, d, e, f, g, Add(K(0x78a5636ful), Inc(w9, sigma1(w7), w2, sigma0(w10))));
+    Round(g, h, a, b, c, d, e, f, Add(K(0x84c87814ul), Inc(w10, sigma1(w8), w3, sigma0(w11))));
+    Round(f, g, h, a, b, c, d, e, Add(K(0x8cc70208ul), Inc(w11, sigma1(w9), w4, sigma0(w12))));
+    Round(e, f, g, h, a, b, c, d, Add(K(0x90befffaul), Inc(w12, sigma1(w10), w5, sigma0(w13))));
+    Round(d, e, f, g, h, a, b, c, Add(K(0xa4506cebul), Inc(w13, sigma1(w11), w6, sigma0(w14))));
+    Round(c, d, e, f, g, h, a, b, Add(K(0xbef9a3f7ul), w14, sigma1(w12), w7, sigma0(w15)));
+    Round(b, c, d, e, f, g, h, a, Add(K(0xc67178f2ul), w15, sigma1(w13), w8, sigma0(w0)));
+
+    // Output
+    Write4(out, 0, Add(a, K(0x6a09e667ul)));
+    Write4(out, 4, Add(b, K(0xbb67ae85ul)));
+    Write4(out, 8, Add(c, K(0x3c6ef372ul)));
+    Write4(out, 12, Add(d, K(0xa54ff53aul)));
+    Write4(out, 16, Add(e, K(0x510e527ful)));
+    Write4(out, 20, Add(f, K(0x9b05688cul)));
+    Write4(out, 24, Add(g, K(0x1f83d9abul)));
+    Write4(out, 28, Add(h, K(0x5be0cd19ul)));
+}
+
+}
+
+#endif