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path: root/libs/libsodium/src/crypto_stream/salsa20/xmm6int/u1.h
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Diffstat (limited to 'libs/libsodium/src/crypto_stream/salsa20/xmm6int/u1.h')
-rw-r--r--libs/libsodium/src/crypto_stream/salsa20/xmm6int/u1.h207
1 files changed, 207 insertions, 0 deletions
diff --git a/libs/libsodium/src/crypto_stream/salsa20/xmm6int/u1.h b/libs/libsodium/src/crypto_stream/salsa20/xmm6int/u1.h
new file mode 100644
index 0000000000..c245d9565f
--- /dev/null
+++ b/libs/libsodium/src/crypto_stream/salsa20/xmm6int/u1.h
@@ -0,0 +1,207 @@
+while (bytes >= 64) {
+ __m128i diag0 = _mm_loadu_si128((__m128i *) (x + 0));
+ __m128i diag1 = _mm_loadu_si128((__m128i *) (x + 4));
+ __m128i diag2 = _mm_loadu_si128((__m128i *) (x + 8));
+ __m128i diag3 = _mm_loadu_si128((__m128i *) (x + 12));
+ __m128i a0, a1, a2, a3, a4, a5, a6, a7;
+ __m128i b0, b1, b2, b3, b4, b5, b6, b7;
+
+ uint32_t in8;
+ uint32_t in9;
+ int i;
+
+ a0 = diag1;
+ for (i = 0; i < ROUNDS; i += 4) {
+ a0 = _mm_add_epi32(a0, diag0);
+ a1 = diag0;
+ b0 = a0;
+ a0 = _mm_slli_epi32(a0, 7);
+ b0 = _mm_srli_epi32(b0, 25);
+ diag3 = _mm_xor_si128(diag3, a0);
+
+ diag3 = _mm_xor_si128(diag3, b0);
+
+ a1 = _mm_add_epi32(a1, diag3);
+ a2 = diag3;
+ b1 = a1;
+ a1 = _mm_slli_epi32(a1, 9);
+ b1 = _mm_srli_epi32(b1, 23);
+ diag2 = _mm_xor_si128(diag2, a1);
+ diag3 = _mm_shuffle_epi32(diag3, 0x93);
+ diag2 = _mm_xor_si128(diag2, b1);
+
+ a2 = _mm_add_epi32(a2, diag2);
+ a3 = diag2;
+ b2 = a2;
+ a2 = _mm_slli_epi32(a2, 13);
+ b2 = _mm_srli_epi32(b2, 19);
+ diag1 = _mm_xor_si128(diag1, a2);
+ diag2 = _mm_shuffle_epi32(diag2, 0x4e);
+ diag1 = _mm_xor_si128(diag1, b2);
+
+ a3 = _mm_add_epi32(a3, diag1);
+ a4 = diag3;
+ b3 = a3;
+ a3 = _mm_slli_epi32(a3, 18);
+ b3 = _mm_srli_epi32(b3, 14);
+ diag0 = _mm_xor_si128(diag0, a3);
+ diag1 = _mm_shuffle_epi32(diag1, 0x39);
+ diag0 = _mm_xor_si128(diag0, b3);
+
+ a4 = _mm_add_epi32(a4, diag0);
+ a5 = diag0;
+ b4 = a4;
+ a4 = _mm_slli_epi32(a4, 7);
+ b4 = _mm_srli_epi32(b4, 25);
+ diag1 = _mm_xor_si128(diag1, a4);
+
+ diag1 = _mm_xor_si128(diag1, b4);
+
+ a5 = _mm_add_epi32(a5, diag1);
+ a6 = diag1;
+ b5 = a5;
+ a5 = _mm_slli_epi32(a5, 9);
+ b5 = _mm_srli_epi32(b5, 23);
+ diag2 = _mm_xor_si128(diag2, a5);
+ diag1 = _mm_shuffle_epi32(diag1, 0x93);
+ diag2 = _mm_xor_si128(diag2, b5);
+
+ a6 = _mm_add_epi32(a6, diag2);
+ a7 = diag2;
+ b6 = a6;
+ a6 = _mm_slli_epi32(a6, 13);
+ b6 = _mm_srli_epi32(b6, 19);
+ diag3 = _mm_xor_si128(diag3, a6);
+ diag2 = _mm_shuffle_epi32(diag2, 0x4e);
+ diag3 = _mm_xor_si128(diag3, b6);
+
+ a7 = _mm_add_epi32(a7, diag3);
+ a0 = diag1;
+ b7 = a7;
+ a7 = _mm_slli_epi32(a7, 18);
+ b7 = _mm_srli_epi32(b7, 14);
+ diag0 = _mm_xor_si128(diag0, a7);
+ diag3 = _mm_shuffle_epi32(diag3, 0x39);
+ diag0 = _mm_xor_si128(diag0, b7);
+
+ a0 = _mm_add_epi32(a0, diag0);
+ a1 = diag0;
+ b0 = a0;
+ a0 = _mm_slli_epi32(a0, 7);
+ b0 = _mm_srli_epi32(b0, 25);
+ diag3 = _mm_xor_si128(diag3, a0);
+
+ diag3 = _mm_xor_si128(diag3, b0);
+
+ a1 = _mm_add_epi32(a1, diag3);
+ a2 = diag3;
+ b1 = a1;
+ a1 = _mm_slli_epi32(a1, 9);
+ b1 = _mm_srli_epi32(b1, 23);
+ diag2 = _mm_xor_si128(diag2, a1);
+ diag3 = _mm_shuffle_epi32(diag3, 0x93);
+ diag2 = _mm_xor_si128(diag2, b1);
+
+ a2 = _mm_add_epi32(a2, diag2);
+ a3 = diag2;
+ b2 = a2;
+ a2 = _mm_slli_epi32(a2, 13);
+ b2 = _mm_srli_epi32(b2, 19);
+ diag1 = _mm_xor_si128(diag1, a2);
+ diag2 = _mm_shuffle_epi32(diag2, 0x4e);
+ diag1 = _mm_xor_si128(diag1, b2);
+
+ a3 = _mm_add_epi32(a3, diag1);
+ a4 = diag3;
+ b3 = a3;
+ a3 = _mm_slli_epi32(a3, 18);
+ b3 = _mm_srli_epi32(b3, 14);
+ diag0 = _mm_xor_si128(diag0, a3);
+ diag1 = _mm_shuffle_epi32(diag1, 0x39);
+ diag0 = _mm_xor_si128(diag0, b3);
+
+ a4 = _mm_add_epi32(a4, diag0);
+ a5 = diag0;
+ b4 = a4;
+ a4 = _mm_slli_epi32(a4, 7);
+ b4 = _mm_srli_epi32(b4, 25);
+ diag1 = _mm_xor_si128(diag1, a4);
+
+ diag1 = _mm_xor_si128(diag1, b4);
+
+ a5 = _mm_add_epi32(a5, diag1);
+ a6 = diag1;
+ b5 = a5;
+ a5 = _mm_slli_epi32(a5, 9);
+ b5 = _mm_srli_epi32(b5, 23);
+ diag2 = _mm_xor_si128(diag2, a5);
+ diag1 = _mm_shuffle_epi32(diag1, 0x93);
+ diag2 = _mm_xor_si128(diag2, b5);
+
+ a6 = _mm_add_epi32(a6, diag2);
+ a7 = diag2;
+ b6 = a6;
+ a6 = _mm_slli_epi32(a6, 13);
+ b6 = _mm_srli_epi32(b6, 19);
+ diag3 = _mm_xor_si128(diag3, a6);
+ diag2 = _mm_shuffle_epi32(diag2, 0x4e);
+ diag3 = _mm_xor_si128(diag3, b6);
+
+ a7 = _mm_add_epi32(a7, diag3);
+ a0 = diag1;
+ b7 = a7;
+ a7 = _mm_slli_epi32(a7, 18);
+ b7 = _mm_srli_epi32(b7, 14);
+ diag0 = _mm_xor_si128(diag0, a7);
+ diag3 = _mm_shuffle_epi32(diag3, 0x39);
+ diag0 = _mm_xor_si128(diag0, b7);
+ }
+
+ diag0 = _mm_add_epi32(diag0, _mm_loadu_si128((__m128i *) (x + 0)));
+ diag1 = _mm_add_epi32(diag1, _mm_loadu_si128((__m128i *) (x + 4)));
+ diag2 = _mm_add_epi32(diag2, _mm_loadu_si128((__m128i *) (x + 8)));
+ diag3 = _mm_add_epi32(diag3, _mm_loadu_si128((__m128i *) (x + 12)));
+
+#define ONEQUAD_SHUFFLE(A, B, C, D) \
+ do { \
+ uint32_t in##A = _mm_cvtsi128_si32(diag0); \
+ uint32_t in##B = _mm_cvtsi128_si32(diag1); \
+ uint32_t in##C = _mm_cvtsi128_si32(diag2); \
+ uint32_t in##D = _mm_cvtsi128_si32(diag3); \
+ diag0 = _mm_shuffle_epi32(diag0, 0x39); \
+ diag1 = _mm_shuffle_epi32(diag1, 0x39); \
+ diag2 = _mm_shuffle_epi32(diag2, 0x39); \
+ diag3 = _mm_shuffle_epi32(diag3, 0x39); \
+ in##A ^= *(uint32_t *) (m + (A * 4)); \
+ in##B ^= *(uint32_t *) (m + (B * 4)); \
+ in##C ^= *(uint32_t *) (m + (C * 4)); \
+ in##D ^= *(uint32_t *) (m + (D * 4)); \
+ *(uint32_t *) (c + (A * 4)) = in##A; \
+ *(uint32_t *) (c + (B * 4)) = in##B; \
+ *(uint32_t *) (c + (C * 4)) = in##C; \
+ *(uint32_t *) (c + (D * 4)) = in##D; \
+ } while (0)
+
+#define ONEQUAD(A, B, C, D) ONEQUAD_SHUFFLE(A, B, C, D)
+
+ ONEQUAD(0, 12, 8, 4);
+ ONEQUAD(5, 1, 13, 9);
+ ONEQUAD(10, 6, 2, 14);
+ ONEQUAD(15, 11, 7, 3);
+
+#undef ONEQUAD
+#undef ONEQUAD_SHUFFLE
+
+ in8 = x[8];
+ in9 = x[13];
+ in8++;
+ if (in8 == 0) {
+ in9++;
+ }
+ x[8] = in8;
+ x[13] = in9;
+
+ c += 64;
+ m += 64;
+ bytes -= 64;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-29 18:46:07 +0000