sha256_x86_shani.cpp raw

   1  // Copyright (c) 2018-present The Bitcoin Core developers
   2  // Distributed under the MIT software license, see the accompanying
   3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4  //
   5  // Based on https://github.com/noloader/SHA-Intrinsics/blob/master/sha256-x86.c,
   6  // Written and placed in public domain by Jeffrey Walton.
   7  // Based on code from Intel, and by Sean Gulley for the miTLS project.
   8  
   9  #if defined(ENABLE_SSE41) && defined(ENABLE_X86_SHANI)
  10  
  11  #include <cstddef>
  12  #include <cstdint>
  13  #include <immintrin.h>
  14  
  15  #include <attributes.h>
  16  
  17  namespace {
  18  
  19  alignas(__m128i) const uint8_t MASK[16] = {0x03, 0x02, 0x01, 0x00, 0x07, 0x06, 0x05, 0x04, 0x0b, 0x0a, 0x09, 0x08, 0x0f, 0x0e, 0x0d, 0x0c};
  20  alignas(__m128i) const uint8_t INIT0[16] = {0x8c, 0x68, 0x05, 0x9b, 0x7f, 0x52, 0x0e, 0x51, 0x85, 0xae, 0x67, 0xbb, 0x67, 0xe6, 0x09, 0x6a};
  21  alignas(__m128i) const uint8_t INIT1[16] = {0x19, 0xcd, 0xe0, 0x5b, 0xab, 0xd9, 0x83, 0x1f, 0x3a, 0xf5, 0x4f, 0xa5, 0x72, 0xf3, 0x6e, 0x3c};
  22  
  23  void ALWAYS_INLINE QuadRound(__m128i& state0, __m128i& state1, uint64_t k1, uint64_t k0)
  24  {
  25      const __m128i msg = _mm_set_epi64x(k1, k0);
  26      state1 = _mm_sha256rnds2_epu32(state1, state0, msg);
  27      state0 = _mm_sha256rnds2_epu32(state0, state1, _mm_shuffle_epi32(msg, 0x0e));
  28  }
  29  
  30  void ALWAYS_INLINE QuadRound(__m128i& state0, __m128i& state1, __m128i m, uint64_t k1, uint64_t k0)
  31  {
  32      const __m128i msg = _mm_add_epi32(m, _mm_set_epi64x(k1, k0));
  33      state1 = _mm_sha256rnds2_epu32(state1, state0, msg);
  34      state0 = _mm_sha256rnds2_epu32(state0, state1, _mm_shuffle_epi32(msg, 0x0e));
  35  }
  36  
  37  void ALWAYS_INLINE ShiftMessageA(__m128i& m0, __m128i m1)
  38  {
  39      m0 = _mm_sha256msg1_epu32(m0, m1);
  40  }
  41  
  42  void ALWAYS_INLINE ShiftMessageC(__m128i& m0, __m128i m1, __m128i& m2)
  43  {
  44      m2 = _mm_sha256msg2_epu32(_mm_add_epi32(m2, _mm_alignr_epi8(m1, m0, 4)), m1);
  45  }
  46  
  47  void ALWAYS_INLINE ShiftMessageB(__m128i& m0, __m128i m1, __m128i& m2)
  48  {
  49      ShiftMessageC(m0, m1, m2);
  50      ShiftMessageA(m0, m1);
  51  }
  52  
  53  void ALWAYS_INLINE Shuffle(__m128i& s0, __m128i& s1)
  54  {
  55      const __m128i t1 = _mm_shuffle_epi32(s0, 0xB1);
  56      const __m128i t2 = _mm_shuffle_epi32(s1, 0x1B);
  57      s0 = _mm_alignr_epi8(t1, t2, 0x08);
  58      s1 = _mm_blend_epi16(t2, t1, 0xF0);
  59  }
  60  
  61  void ALWAYS_INLINE Unshuffle(__m128i& s0, __m128i& s1)
  62  {
  63      const __m128i t1 = _mm_shuffle_epi32(s0, 0x1B);
  64      const __m128i t2 = _mm_shuffle_epi32(s1, 0xB1);
  65      s0 = _mm_blend_epi16(t1, t2, 0xF0);
  66      s1 = _mm_alignr_epi8(t2, t1, 0x08);
  67  }
  68  
  69  __m128i ALWAYS_INLINE Load(const unsigned char* in)
  70  {
  71      return _mm_shuffle_epi8(_mm_loadu_si128((const __m128i*)in), _mm_load_si128((const __m128i*)MASK));
  72  }
  73  
  74  void ALWAYS_INLINE Save(unsigned char* out, __m128i s)
  75  {
  76      _mm_storeu_si128((__m128i*)out, _mm_shuffle_epi8(s, _mm_load_si128((const __m128i*)MASK)));
  77  }
  78  }
  79  
  80  namespace sha256_x86_shani {
  81  void Transform(uint32_t* s, const unsigned char* chunk, size_t blocks)
  82  {
  83      __m128i m0, m1, m2, m3, s0, s1, so0, so1;
  84  
  85      /* Load state */
  86      s0 = _mm_loadu_si128((const __m128i*)s);
  87      s1 = _mm_loadu_si128((const __m128i*)(s + 4));
  88      Shuffle(s0, s1);
  89  
  90      while (blocks--) {
  91          /* Remember old state */
  92          so0 = s0;
  93          so1 = s1;
  94  
  95          /* Load data and transform */
  96          m0 = Load(chunk);
  97          QuadRound(s0, s1, m0, 0xe9b5dba5b5c0fbcfull, 0x71374491428a2f98ull);
  98          m1 = Load(chunk + 16);
  99          QuadRound(s0, s1, m1, 0xab1c5ed5923f82a4ull, 0x59f111f13956c25bull);
 100          ShiftMessageA(m0, m1);
 101          m2 = Load(chunk + 32);
 102          QuadRound(s0, s1, m2, 0x550c7dc3243185beull, 0x12835b01d807aa98ull);
 103          ShiftMessageA(m1, m2);
 104          m3 = Load(chunk + 48);
 105          QuadRound(s0, s1, m3, 0xc19bf1749bdc06a7ull, 0x80deb1fe72be5d74ull);
 106          ShiftMessageB(m2, m3, m0);
 107          QuadRound(s0, s1, m0, 0x240ca1cc0fc19dc6ull, 0xefbe4786E49b69c1ull);
 108          ShiftMessageB(m3, m0, m1);
 109          QuadRound(s0, s1, m1, 0x76f988da5cb0a9dcull, 0x4a7484aa2de92c6full);
 110          ShiftMessageB(m0, m1, m2);
 111          QuadRound(s0, s1, m2, 0xbf597fc7b00327c8ull, 0xa831c66d983e5152ull);
 112          ShiftMessageB(m1, m2, m3);
 113          QuadRound(s0, s1, m3, 0x1429296706ca6351ull, 0xd5a79147c6e00bf3ull);
 114          ShiftMessageB(m2, m3, m0);
 115          QuadRound(s0, s1, m0, 0x53380d134d2c6dfcull, 0x2e1b213827b70a85ull);
 116          ShiftMessageB(m3, m0, m1);
 117          QuadRound(s0, s1, m1, 0x92722c8581c2c92eull, 0x766a0abb650a7354ull);
 118          ShiftMessageB(m0, m1, m2);
 119          QuadRound(s0, s1, m2, 0xc76c51A3c24b8b70ull, 0xa81a664ba2bfe8a1ull);
 120          ShiftMessageB(m1, m2, m3);
 121          QuadRound(s0, s1, m3, 0x106aa070f40e3585ull, 0xd6990624d192e819ull);
 122          ShiftMessageB(m2, m3, m0);
 123          QuadRound(s0, s1, m0, 0x34b0bcb52748774cull, 0x1e376c0819a4c116ull);
 124          ShiftMessageB(m3, m0, m1);
 125          QuadRound(s0, s1, m1, 0x682e6ff35b9cca4full, 0x4ed8aa4a391c0cb3ull);
 126          ShiftMessageC(m0, m1, m2);
 127          QuadRound(s0, s1, m2, 0x8cc7020884c87814ull, 0x78a5636f748f82eeull);
 128          ShiftMessageC(m1, m2, m3);
 129          QuadRound(s0, s1, m3, 0xc67178f2bef9A3f7ull, 0xa4506ceb90befffaull);
 130  
 131          /* Combine with old state */
 132          s0 = _mm_add_epi32(s0, so0);
 133          s1 = _mm_add_epi32(s1, so1);
 134  
 135          /* Advance */
 136          chunk += 64;
 137      }
 138  
 139      Unshuffle(s0, s1);
 140      _mm_storeu_si128((__m128i*)s, s0);
 141      _mm_storeu_si128((__m128i*)(s + 4), s1);
 142  }
 143  }
 144  
 145  namespace sha256d64_x86_shani {
 146  
 147  void Transform_2way(unsigned char* out, const unsigned char* in)
 148  {
 149      __m128i am0, am1, am2, am3, as0, as1, aso0, aso1;
 150      __m128i bm0, bm1, bm2, bm3, bs0, bs1, bso0, bso1;
 151  
 152      /* Transform 1 */
 153      bs0 = as0 = _mm_load_si128((const __m128i*)INIT0);
 154      bs1 = as1 = _mm_load_si128((const __m128i*)INIT1);
 155      am0 = Load(in);
 156      bm0 = Load(in + 64);
 157      QuadRound(as0, as1, am0, 0xe9b5dba5b5c0fbcfull, 0x71374491428a2f98ull);
 158      QuadRound(bs0, bs1, bm0, 0xe9b5dba5b5c0fbcfull, 0x71374491428a2f98ull);
 159      am1 = Load(in + 16);
 160      bm1 = Load(in + 80);
 161      QuadRound(as0, as1, am1, 0xab1c5ed5923f82a4ull, 0x59f111f13956c25bull);
 162      QuadRound(bs0, bs1, bm1, 0xab1c5ed5923f82a4ull, 0x59f111f13956c25bull);
 163      ShiftMessageA(am0, am1);
 164      ShiftMessageA(bm0, bm1);
 165      am2 = Load(in + 32);
 166      bm2 = Load(in + 96);
 167      QuadRound(as0, as1, am2, 0x550c7dc3243185beull, 0x12835b01d807aa98ull);
 168      QuadRound(bs0, bs1, bm2, 0x550c7dc3243185beull, 0x12835b01d807aa98ull);
 169      ShiftMessageA(am1, am2);
 170      ShiftMessageA(bm1, bm2);
 171      am3 = Load(in + 48);
 172      bm3 = Load(in + 112);
 173      QuadRound(as0, as1, am3, 0xc19bf1749bdc06a7ull, 0x80deb1fe72be5d74ull);
 174      QuadRound(bs0, bs1, bm3, 0xc19bf1749bdc06a7ull, 0x80deb1fe72be5d74ull);
 175      ShiftMessageB(am2, am3, am0);
 176      ShiftMessageB(bm2, bm3, bm0);
 177      QuadRound(as0, as1, am0, 0x240ca1cc0fc19dc6ull, 0xefbe4786E49b69c1ull);
 178      QuadRound(bs0, bs1, bm0, 0x240ca1cc0fc19dc6ull, 0xefbe4786E49b69c1ull);
 179      ShiftMessageB(am3, am0, am1);
 180      ShiftMessageB(bm3, bm0, bm1);
 181      QuadRound(as0, as1, am1, 0x76f988da5cb0a9dcull, 0x4a7484aa2de92c6full);
 182      QuadRound(bs0, bs1, bm1, 0x76f988da5cb0a9dcull, 0x4a7484aa2de92c6full);
 183      ShiftMessageB(am0, am1, am2);
 184      ShiftMessageB(bm0, bm1, bm2);
 185      QuadRound(as0, as1, am2, 0xbf597fc7b00327c8ull, 0xa831c66d983e5152ull);
 186      QuadRound(bs0, bs1, bm2, 0xbf597fc7b00327c8ull, 0xa831c66d983e5152ull);
 187      ShiftMessageB(am1, am2, am3);
 188      ShiftMessageB(bm1, bm2, bm3);
 189      QuadRound(as0, as1, am3, 0x1429296706ca6351ull, 0xd5a79147c6e00bf3ull);
 190      QuadRound(bs0, bs1, bm3, 0x1429296706ca6351ull, 0xd5a79147c6e00bf3ull);
 191      ShiftMessageB(am2, am3, am0);
 192      ShiftMessageB(bm2, bm3, bm0);
 193      QuadRound(as0, as1, am0, 0x53380d134d2c6dfcull, 0x2e1b213827b70a85ull);
 194      QuadRound(bs0, bs1, bm0, 0x53380d134d2c6dfcull, 0x2e1b213827b70a85ull);
 195      ShiftMessageB(am3, am0, am1);
 196      ShiftMessageB(bm3, bm0, bm1);
 197      QuadRound(as0, as1, am1, 0x92722c8581c2c92eull, 0x766a0abb650a7354ull);
 198      QuadRound(bs0, bs1, bm1, 0x92722c8581c2c92eull, 0x766a0abb650a7354ull);
 199      ShiftMessageB(am0, am1, am2);
 200      ShiftMessageB(bm0, bm1, bm2);
 201      QuadRound(as0, as1, am2, 0xc76c51A3c24b8b70ull, 0xa81a664ba2bfe8a1ull);
 202      QuadRound(bs0, bs1, bm2, 0xc76c51A3c24b8b70ull, 0xa81a664ba2bfe8a1ull);
 203      ShiftMessageB(am1, am2, am3);
 204      ShiftMessageB(bm1, bm2, bm3);
 205      QuadRound(as0, as1, am3, 0x106aa070f40e3585ull, 0xd6990624d192e819ull);
 206      QuadRound(bs0, bs1, bm3, 0x106aa070f40e3585ull, 0xd6990624d192e819ull);
 207      ShiftMessageB(am2, am3, am0);
 208      ShiftMessageB(bm2, bm3, bm0);
 209      QuadRound(as0, as1, am0, 0x34b0bcb52748774cull, 0x1e376c0819a4c116ull);
 210      QuadRound(bs0, bs1, bm0, 0x34b0bcb52748774cull, 0x1e376c0819a4c116ull);
 211      ShiftMessageB(am3, am0, am1);
 212      ShiftMessageB(bm3, bm0, bm1);
 213      QuadRound(as0, as1, am1, 0x682e6ff35b9cca4full, 0x4ed8aa4a391c0cb3ull);
 214      QuadRound(bs0, bs1, bm1, 0x682e6ff35b9cca4full, 0x4ed8aa4a391c0cb3ull);
 215      ShiftMessageC(am0, am1, am2);
 216      ShiftMessageC(bm0, bm1, bm2);
 217      QuadRound(as0, as1, am2, 0x8cc7020884c87814ull, 0x78a5636f748f82eeull);
 218      QuadRound(bs0, bs1, bm2, 0x8cc7020884c87814ull, 0x78a5636f748f82eeull);
 219      ShiftMessageC(am1, am2, am3);
 220      ShiftMessageC(bm1, bm2, bm3);
 221      QuadRound(as0, as1, am3, 0xc67178f2bef9A3f7ull, 0xa4506ceb90befffaull);
 222      QuadRound(bs0, bs1, bm3, 0xc67178f2bef9A3f7ull, 0xa4506ceb90befffaull);
 223      as0 = _mm_add_epi32(as0, _mm_load_si128((const __m128i*)INIT0));
 224      bs0 = _mm_add_epi32(bs0, _mm_load_si128((const __m128i*)INIT0));
 225      as1 = _mm_add_epi32(as1, _mm_load_si128((const __m128i*)INIT1));
 226      bs1 = _mm_add_epi32(bs1, _mm_load_si128((const __m128i*)INIT1));
 227  
 228      /* Transform 2 */
 229      aso0 = as0;
 230      bso0 = bs0;
 231      aso1 = as1;
 232      bso1 = bs1;
 233      QuadRound(as0, as1, 0xe9b5dba5b5c0fbcfull, 0x71374491c28a2f98ull);
 234      QuadRound(bs0, bs1, 0xe9b5dba5b5c0fbcfull, 0x71374491c28a2f98ull);
 235      QuadRound(as0, as1, 0xab1c5ed5923f82a4ull, 0x59f111f13956c25bull);
 236      QuadRound(bs0, bs1, 0xab1c5ed5923f82a4ull, 0x59f111f13956c25bull);
 237      QuadRound(as0, as1, 0x550c7dc3243185beull, 0x12835b01d807aa98ull);
 238      QuadRound(bs0, bs1, 0x550c7dc3243185beull, 0x12835b01d807aa98ull);
 239      QuadRound(as0, as1, 0xc19bf3749bdc06a7ull, 0x80deb1fe72be5d74ull);
 240      QuadRound(bs0, bs1, 0xc19bf3749bdc06a7ull, 0x80deb1fe72be5d74ull);
 241      QuadRound(as0, as1, 0x240cf2540fe1edc6ull, 0xf0fe4786649b69c1ull);
 242      QuadRound(bs0, bs1, 0x240cf2540fe1edc6ull, 0xf0fe4786649b69c1ull);
 243      QuadRound(as0, as1, 0x16f988fa61b9411eull, 0x6cc984be4fe9346full);
 244      QuadRound(bs0, bs1, 0x16f988fa61b9411eull, 0x6cc984be4fe9346full);
 245      QuadRound(as0, as1, 0xb9d99ec7b019fc65ull, 0xa88e5a6df2c65152ull);
 246      QuadRound(bs0, bs1, 0xb9d99ec7b019fc65ull, 0xa88e5a6df2c65152ull);
 247      QuadRound(as0, as1, 0xc7353eb0fdb1232bull, 0xe70eeaa09a1231c3ull);
 248      QuadRound(bs0, bs1, 0xc7353eb0fdb1232bull, 0xe70eeaa09a1231c3ull);
 249      QuadRound(as0, as1, 0xdc1eeefd5a0f118full, 0xcb976d5f3069bad5ull);
 250      QuadRound(bs0, bs1, 0xdc1eeefd5a0f118full, 0xcb976d5f3069bad5ull);
 251      QuadRound(as0, as1, 0xe15d5b1658f4ca9dull, 0xde0b7a040a35b689ull);
 252      QuadRound(bs0, bs1, 0xe15d5b1658f4ca9dull, 0xde0b7a040a35b689ull);
 253      QuadRound(as0, as1, 0x6fab9537a507ea32ull, 0x37088980007f3e86ull);
 254      QuadRound(bs0, bs1, 0x6fab9537a507ea32ull, 0x37088980007f3e86ull);
 255      QuadRound(as0, as1, 0xc0bbbe37cdaa3b6dull, 0x0d8cd6f117406110ull);
 256      QuadRound(bs0, bs1, 0xc0bbbe37cdaa3b6dull, 0x0d8cd6f117406110ull);
 257      QuadRound(as0, as1, 0x6fd15ca70b02e931ull, 0xdb48a36383613bdaull);
 258      QuadRound(bs0, bs1, 0x6fd15ca70b02e931ull, 0xdb48a36383613bdaull);
 259      QuadRound(as0, as1, 0x6d4378906ed41a95ull, 0x31338431521afacaull);
 260      QuadRound(bs0, bs1, 0x6d4378906ed41a95ull, 0x31338431521afacaull);
 261      QuadRound(as0, as1, 0x532fb63cb5c9a0e6ull, 0x9eccabbdc39c91f2ull);
 262      QuadRound(bs0, bs1, 0x532fb63cb5c9a0e6ull, 0x9eccabbdc39c91f2ull);
 263      QuadRound(as0, as1, 0x4c191d76a4954b68ull, 0x07237ea3d2c741c6ull);
 264      QuadRound(bs0, bs1, 0x4c191d76a4954b68ull, 0x07237ea3d2c741c6ull);
 265      as0 = _mm_add_epi32(as0, aso0);
 266      bs0 = _mm_add_epi32(bs0, bso0);
 267      as1 = _mm_add_epi32(as1, aso1);
 268      bs1 = _mm_add_epi32(bs1, bso1);
 269  
 270      /* Extract hash */
 271      Unshuffle(as0, as1);
 272      Unshuffle(bs0, bs1);
 273      am0 = as0;
 274      bm0 = bs0;
 275      am1 = as1;
 276      bm1 = bs1;
 277  
 278      /* Transform 3 */
 279      bs0 = as0 = _mm_load_si128((const __m128i*)INIT0);
 280      bs1 = as1 = _mm_load_si128((const __m128i*)INIT1);
 281      QuadRound(as0, as1, am0, 0xe9b5dba5B5c0fbcfull, 0x71374491428a2f98ull);
 282      QuadRound(bs0, bs1, bm0, 0xe9b5dba5B5c0fbcfull, 0x71374491428a2f98ull);
 283      QuadRound(as0, as1, am1, 0xab1c5ed5923f82a4ull, 0x59f111f13956c25bull);
 284      QuadRound(bs0, bs1, bm1, 0xab1c5ed5923f82a4ull, 0x59f111f13956c25bull);
 285      ShiftMessageA(am0, am1);
 286      ShiftMessageA(bm0, bm1);
 287      bm2 = am2 = _mm_set_epi64x(0x0ull, 0x80000000ull);
 288      QuadRound(as0, as1, 0x550c7dc3243185beull, 0x12835b015807aa98ull);
 289      QuadRound(bs0, bs1, 0x550c7dc3243185beull, 0x12835b015807aa98ull);
 290      ShiftMessageA(am1, am2);
 291      ShiftMessageA(bm1, bm2);
 292      bm3 = am3 = _mm_set_epi64x(0x10000000000ull, 0x0ull);
 293      QuadRound(as0, as1, 0xc19bf2749bdc06a7ull, 0x80deb1fe72be5d74ull);
 294      QuadRound(bs0, bs1, 0xc19bf2749bdc06a7ull, 0x80deb1fe72be5d74ull);
 295      ShiftMessageB(am2, am3, am0);
 296      ShiftMessageB(bm2, bm3, bm0);
 297      QuadRound(as0, as1, am0, 0x240ca1cc0fc19dc6ull, 0xefbe4786e49b69c1ull);
 298      QuadRound(bs0, bs1, bm0, 0x240ca1cc0fc19dc6ull, 0xefbe4786e49b69c1ull);
 299      ShiftMessageB(am3, am0, am1);
 300      ShiftMessageB(bm3, bm0, bm1);
 301      QuadRound(as0, as1, am1, 0x76f988da5cb0a9dcull, 0x4a7484aa2de92c6full);
 302      QuadRound(bs0, bs1, bm1, 0x76f988da5cb0a9dcull, 0x4a7484aa2de92c6full);
 303      ShiftMessageB(am0, am1, am2);
 304      ShiftMessageB(bm0, bm1, bm2);
 305      QuadRound(as0, as1, am2, 0xbf597fc7b00327c8ull, 0xa831c66d983e5152ull);
 306      QuadRound(bs0, bs1, bm2, 0xbf597fc7b00327c8ull, 0xa831c66d983e5152ull);
 307      ShiftMessageB(am1, am2, am3);
 308      ShiftMessageB(bm1, bm2, bm3);
 309      QuadRound(as0, as1, am3, 0x1429296706ca6351ull, 0xd5a79147c6e00bf3ull);
 310      QuadRound(bs0, bs1, bm3, 0x1429296706ca6351ull, 0xd5a79147c6e00bf3ull);
 311      ShiftMessageB(am2, am3, am0);
 312      ShiftMessageB(bm2, bm3, bm0);
 313      QuadRound(as0, as1, am0, 0x53380d134d2c6dfcull, 0x2e1b213827b70a85ull);
 314      QuadRound(bs0, bs1, bm0, 0x53380d134d2c6dfcull, 0x2e1b213827b70a85ull);
 315      ShiftMessageB(am3, am0, am1);
 316      ShiftMessageB(bm3, bm0, bm1);
 317      QuadRound(as0, as1, am1, 0x92722c8581c2c92eull, 0x766a0abb650a7354ull);
 318      QuadRound(bs0, bs1, bm1, 0x92722c8581c2c92eull, 0x766a0abb650a7354ull);
 319      ShiftMessageB(am0, am1, am2);
 320      ShiftMessageB(bm0, bm1, bm2);
 321      QuadRound(as0, as1, am2, 0xc76c51a3c24b8b70ull, 0xa81a664ba2bfe8A1ull);
 322      QuadRound(bs0, bs1, bm2, 0xc76c51a3c24b8b70ull, 0xa81a664ba2bfe8A1ull);
 323      ShiftMessageB(am1, am2, am3);
 324      ShiftMessageB(bm1, bm2, bm3);
 325      QuadRound(as0, as1, am3, 0x106aa070f40e3585ull, 0xd6990624d192e819ull);
 326      QuadRound(bs0, bs1, bm3, 0x106aa070f40e3585ull, 0xd6990624d192e819ull);
 327      ShiftMessageB(am2, am3, am0);
 328      ShiftMessageB(bm2, bm3, bm0);
 329      QuadRound(as0, as1, am0, 0x34b0bcb52748774cull, 0x1e376c0819a4c116ull);
 330      QuadRound(bs0, bs1, bm0, 0x34b0bcb52748774cull, 0x1e376c0819a4c116ull);
 331      ShiftMessageB(am3, am0, am1);
 332      ShiftMessageB(bm3, bm0, bm1);
 333      QuadRound(as0, as1, am1, 0x682e6ff35b9cca4full, 0x4ed8aa4a391c0cb3ull);
 334      QuadRound(bs0, bs1, bm1, 0x682e6ff35b9cca4full, 0x4ed8aa4a391c0cb3ull);
 335      ShiftMessageC(am0, am1, am2);
 336      ShiftMessageC(bm0, bm1, bm2);
 337      QuadRound(as0, as1, am2, 0x8cc7020884c87814ull, 0x78a5636f748f82eeull);
 338      QuadRound(bs0, bs1, bm2, 0x8cc7020884c87814ull, 0x78a5636f748f82eeull);
 339      ShiftMessageC(am1, am2, am3);
 340      ShiftMessageC(bm1, bm2, bm3);
 341      QuadRound(as0, as1, am3, 0xc67178f2bef9a3f7ull, 0xa4506ceb90befffaull);
 342      QuadRound(bs0, bs1, bm3, 0xc67178f2bef9a3f7ull, 0xa4506ceb90befffaull);
 343      as0 = _mm_add_epi32(as0, _mm_load_si128((const __m128i*)INIT0));
 344      bs0 = _mm_add_epi32(bs0, _mm_load_si128((const __m128i*)INIT0));
 345      as1 = _mm_add_epi32(as1, _mm_load_si128((const __m128i*)INIT1));
 346      bs1 = _mm_add_epi32(bs1, _mm_load_si128((const __m128i*)INIT1));
 347  
 348      /* Extract hash into out */
 349      Unshuffle(as0, as1);
 350      Unshuffle(bs0, bs1);
 351      Save(out, as0);
 352      Save(out + 16, as1);
 353      Save(out + 32, bs0);
 354      Save(out + 48, bs1);
 355  }
 356  
 357  }
 358  
 359  #endif
 360