1 files changed, 87 insertions, 0 deletions
diff --git a/libs/libsodium/src/crypto_generichash/blake2b/ref/blake2b-compress-sse41.c b/libs/libsodium/src/crypto_generichash/blake2b/ref/blake2b-compress-sse41.c
new file mode 100644
index 0000000000..9e5c0c5081
--- /dev/null
+++ b/libs/libsodium/src/crypto_generichash/blake2b/ref/blake2b-compress-sse41.c
@@ -0,0 +1,87 @@
+
+#define BLAKE2_USE_SSSE3
+#define BLAKE2_USE_SSE41
+
+#include <stdint.h>
+#include <string.h>
+
+#include "blake2.h"
+#include "private/common.h"
+#include "private/sse2_64_32.h"
+
+#if defined(HAVE_EMMINTRIN_H) && defined(HAVE_TMMINTRIN_H) && \
+    defined(HAVE_SMMINTRIN_H)
+
+# ifdef __GNUC__
+#  pragma GCC target("sse2")
+#  pragma GCC target("ssse3")
+#  pragma GCC target("sse4.1")
+# endif
+
+# include <emmintrin.h>
+# include <smmintrin.h>
+# include <tmmintrin.h>
+
+# include "blake2b-compress-sse41.h"
+
+CRYPTO_ALIGN(64)
+static const uint64_t blake2b_IV[8] = {
+    0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, 0x3c6ef372fe94f82bULL,
+    0xa54ff53a5f1d36f1ULL, 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL,
+    0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL
+};
+
+int
+blake2b_compress_sse41(blake2b_state *S,
+                       const uint8_t  block[BLAKE2B_BLOCKBYTES])
+{
+    __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(block + 00);
+    const __m128i m1 = LOADU(block + 16);
+    const __m128i m2 = LOADU(block + 32);
+    const __m128i m3 = LOADU(block + 48);
+    const __m128i m4 = LOADU(block + 64);
+    const __m128i m5 = LOADU(block + 80);
+    const __m128i m6 = LOADU(block + 96);
+    const __m128i m7 = LOADU(block + 112);
+    row1l            = LOADU(&S->h[0]);
+    row1h            = LOADU(&S->h[2]);
+    row2l            = LOADU(&S->h[4]);
+    row2h            = LOADU(&S->h[6]);
+    row3l            = LOADU(&blake2b_IV[0]);
+    row3h            = LOADU(&blake2b_IV[2]);
+    row4l            = _mm_xor_si128(LOADU(&blake2b_IV[4]), LOADU(&S->t[0]));
+    row4h            = _mm_xor_si128(LOADU(&blake2b_IV[6]), LOADU(&S->f[0]));
+    ROUND(0);
+    ROUND(1);
+    ROUND(2);
+    ROUND(3);
+    ROUND(4);
+    ROUND(5);
+    ROUND(6);
+    ROUND(7);
+    ROUND(8);
+    ROUND(9);
+    ROUND(10);
+    ROUND(11);
+    row1l = _mm_xor_si128(row3l, row1l);
+    row1h = _mm_xor_si128(row3h, row1h);
+    STOREU(&S->h[0], _mm_xor_si128(LOADU(&S->h[0]), row1l));
+    STOREU(&S->h[2], _mm_xor_si128(LOADU(&S->h[2]), row1h));
+    row2l = _mm_xor_si128(row4l, row2l);
+    row2h = _mm_xor_si128(row4h, row2h);
+    STOREU(&S->h[4], _mm_xor_si128(LOADU(&S->h[4]), row2l));
+    STOREU(&S->h[6], _mm_xor_si128(LOADU(&S->h[6]), row2h));
+    return 0;
+}
+
+#endif