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Diffstat (limited to 'libs/libsodium/src/crypto_stream/salsa20/xmm6int/u8.h')
-rw-r--r--libs/libsodium/src/crypto_stream/salsa20/xmm6int/u8.h476
1 files changed, 476 insertions, 0 deletions
diff --git a/libs/libsodium/src/crypto_stream/salsa20/xmm6int/u8.h b/libs/libsodium/src/crypto_stream/salsa20/xmm6int/u8.h
new file mode 100644
index 0000000000..467a961299
--- /dev/null
+++ b/libs/libsodium/src/crypto_stream/salsa20/xmm6int/u8.h
@@ -0,0 +1,476 @@
+if (bytes >= 512) {
+ __m256i y0, y1, y2, y3, y4, y5, y6, y7, y8, y9, y10, y11, y12, y13, y14,
+ y15;
+
+ /* the naive way seems as fast (if not a bit faster) than the vector way */
+ __m256i z0 = _mm256_set1_epi32(x[0]);
+ __m256i z5 = _mm256_set1_epi32(x[1]);
+ __m256i z10 = _mm256_set1_epi32(x[2]);
+ __m256i z15 = _mm256_set1_epi32(x[3]);
+ __m256i z12 = _mm256_set1_epi32(x[4]);
+ __m256i z1 = _mm256_set1_epi32(x[5]);
+ __m256i z6 = _mm256_set1_epi32(x[6]);
+ __m256i z11 = _mm256_set1_epi32(x[7]);
+ __m256i z8; /* useless */
+ __m256i z13 = _mm256_set1_epi32(x[9]);
+ __m256i z2 = _mm256_set1_epi32(x[10]);
+ __m256i z7 = _mm256_set1_epi32(x[11]);
+ __m256i z4 = _mm256_set1_epi32(x[12]);
+ __m256i z9; /* useless */
+ __m256i z14 = _mm256_set1_epi32(x[14]);
+ __m256i z3 = _mm256_set1_epi32(x[15]);
+
+ __m256i orig0 = z0;
+ __m256i orig1 = z1;
+ __m256i orig2 = z2;
+ __m256i orig3 = z3;
+ __m256i orig4 = z4;
+ __m256i orig5 = z5;
+ __m256i orig6 = z6;
+ __m256i orig7 = z7;
+ __m256i orig8;
+ __m256i orig9;
+ __m256i orig10 = z10;
+ __m256i orig11 = z11;
+ __m256i orig12 = z12;
+ __m256i orig13 = z13;
+ __m256i orig14 = z14;
+ __m256i orig15 = z15;
+
+ uint32_t in8;
+ uint32_t in9;
+ int i;
+
+ while (bytes >= 512) {
+ /* vector implementation for z8 and z9 */
+ /* faster than the naive version for 8 blocks */
+ const __m256i addv8 = _mm256_set_epi64x(3, 2, 1, 0);
+ const __m256i addv9 = _mm256_set_epi64x(7, 6, 5, 4);
+ const __m256i permute = _mm256_set_epi32(7, 6, 3, 2, 5, 4, 1, 0);
+
+ __m256i t8, t9;
+ uint64_t in89;
+
+ in8 = x[8];
+ in9 = x[13]; /* see arrays above for the address translation */
+ in89 = ((uint64_t) in8) | (((uint64_t) in9) << 32);
+
+ z8 = z9 = _mm256_broadcastq_epi64(_mm_cvtsi64_si128(in89));
+
+ t8 = _mm256_add_epi64(addv8, z8);
+ t9 = _mm256_add_epi64(addv9, z9);
+
+ z8 = _mm256_unpacklo_epi32(t8, t9);
+ z9 = _mm256_unpackhi_epi32(t8, t9);
+
+ t8 = _mm256_unpacklo_epi32(z8, z9);
+ t9 = _mm256_unpackhi_epi32(z8, z9);
+
+ /* required because unpack* are intra-lane */
+ z8 = _mm256_permutevar8x32_epi32(t8, permute);
+ z9 = _mm256_permutevar8x32_epi32(t9, permute);
+
+ orig8 = z8;
+ orig9 = z9;
+
+ in89 += 8;
+
+ x[8] = in89 & 0xFFFFFFFF;
+ x[13] = (in89 >> 32) & 0xFFFFFFFF;
+
+ z5 = orig5;
+ z10 = orig10;
+ z15 = orig15;
+ z14 = orig14;
+ z3 = orig3;
+ z6 = orig6;
+ z11 = orig11;
+ z1 = orig1;
+
+ z7 = orig7;
+ z13 = orig13;
+ z2 = orig2;
+ z9 = orig9;
+ z0 = orig0;
+ z12 = orig12;
+ z4 = orig4;
+ z8 = orig8;
+
+ for (i = 0; i < ROUNDS; i += 2) {
+ /* the inner loop is a direct translation (regexp search/replace)
+ * from the amd64-xmm6 ASM */
+ __m256i r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13,
+ r14, r15;
+
+ y4 = z12;
+ y4 = _mm256_add_epi32(y4, z0);
+ r4 = y4;
+ y4 = _mm256_slli_epi32(y4, 7);
+ z4 = _mm256_xor_si256(z4, y4);
+ r4 = _mm256_srli_epi32(r4, 25);
+ z4 = _mm256_xor_si256(z4, r4);
+
+ y9 = z1;
+ y9 = _mm256_add_epi32(y9, z5);
+ r9 = y9;
+ y9 = _mm256_slli_epi32(y9, 7);
+ z9 = _mm256_xor_si256(z9, y9);
+ r9 = _mm256_srli_epi32(r9, 25);
+ z9 = _mm256_xor_si256(z9, r9);
+
+ y8 = z0;
+ y8 = _mm256_add_epi32(y8, z4);
+ r8 = y8;
+ y8 = _mm256_slli_epi32(y8, 9);
+ z8 = _mm256_xor_si256(z8, y8);
+ r8 = _mm256_srli_epi32(r8, 23);
+ z8 = _mm256_xor_si256(z8, r8);
+
+ y13 = z5;
+ y13 = _mm256_add_epi32(y13, z9);
+ r13 = y13;
+ y13 = _mm256_slli_epi32(y13, 9);
+ z13 = _mm256_xor_si256(z13, y13);
+ r13 = _mm256_srli_epi32(r13, 23);
+ z13 = _mm256_xor_si256(z13, r13);
+
+ y12 = z4;
+ y12 = _mm256_add_epi32(y12, z8);
+ r12 = y12;
+ y12 = _mm256_slli_epi32(y12, 13);
+ z12 = _mm256_xor_si256(z12, y12);
+ r12 = _mm256_srli_epi32(r12, 19);
+ z12 = _mm256_xor_si256(z12, r12);
+
+ y1 = z9;
+ y1 = _mm256_add_epi32(y1, z13);
+ r1 = y1;
+ y1 = _mm256_slli_epi32(y1, 13);
+ z1 = _mm256_xor_si256(z1, y1);
+ r1 = _mm256_srli_epi32(r1, 19);
+ z1 = _mm256_xor_si256(z1, r1);
+
+ y0 = z8;
+ y0 = _mm256_add_epi32(y0, z12);
+ r0 = y0;
+ y0 = _mm256_slli_epi32(y0, 18);
+ z0 = _mm256_xor_si256(z0, y0);
+ r0 = _mm256_srli_epi32(r0, 14);
+ z0 = _mm256_xor_si256(z0, r0);
+
+ y5 = z13;
+ y5 = _mm256_add_epi32(y5, z1);
+ r5 = y5;
+ y5 = _mm256_slli_epi32(y5, 18);
+ z5 = _mm256_xor_si256(z5, y5);
+ r5 = _mm256_srli_epi32(r5, 14);
+ z5 = _mm256_xor_si256(z5, r5);
+
+ y14 = z6;
+ y14 = _mm256_add_epi32(y14, z10);
+ r14 = y14;
+ y14 = _mm256_slli_epi32(y14, 7);
+ z14 = _mm256_xor_si256(z14, y14);
+ r14 = _mm256_srli_epi32(r14, 25);
+ z14 = _mm256_xor_si256(z14, r14);
+
+ y3 = z11;
+ y3 = _mm256_add_epi32(y3, z15);
+ r3 = y3;
+ y3 = _mm256_slli_epi32(y3, 7);
+ z3 = _mm256_xor_si256(z3, y3);
+ r3 = _mm256_srli_epi32(r3, 25);
+ z3 = _mm256_xor_si256(z3, r3);
+
+ y2 = z10;
+ y2 = _mm256_add_epi32(y2, z14);
+ r2 = y2;
+ y2 = _mm256_slli_epi32(y2, 9);
+ z2 = _mm256_xor_si256(z2, y2);
+ r2 = _mm256_srli_epi32(r2, 23);
+ z2 = _mm256_xor_si256(z2, r2);
+
+ y7 = z15;
+ y7 = _mm256_add_epi32(y7, z3);
+ r7 = y7;
+ y7 = _mm256_slli_epi32(y7, 9);
+ z7 = _mm256_xor_si256(z7, y7);
+ r7 = _mm256_srli_epi32(r7, 23);
+ z7 = _mm256_xor_si256(z7, r7);
+
+ y6 = z14;
+ y6 = _mm256_add_epi32(y6, z2);
+ r6 = y6;
+ y6 = _mm256_slli_epi32(y6, 13);
+ z6 = _mm256_xor_si256(z6, y6);
+ r6 = _mm256_srli_epi32(r6, 19);
+ z6 = _mm256_xor_si256(z6, r6);
+
+ y11 = z3;
+ y11 = _mm256_add_epi32(y11, z7);
+ r11 = y11;
+ y11 = _mm256_slli_epi32(y11, 13);
+ z11 = _mm256_xor_si256(z11, y11);
+ r11 = _mm256_srli_epi32(r11, 19);
+ z11 = _mm256_xor_si256(z11, r11);
+
+ y10 = z2;
+ y10 = _mm256_add_epi32(y10, z6);
+ r10 = y10;
+ y10 = _mm256_slli_epi32(y10, 18);
+ z10 = _mm256_xor_si256(z10, y10);
+ r10 = _mm256_srli_epi32(r10, 14);
+ z10 = _mm256_xor_si256(z10, r10);
+
+ y1 = z3;
+ y1 = _mm256_add_epi32(y1, z0);
+ r1 = y1;
+ y1 = _mm256_slli_epi32(y1, 7);
+ z1 = _mm256_xor_si256(z1, y1);
+ r1 = _mm256_srli_epi32(r1, 25);
+ z1 = _mm256_xor_si256(z1, r1);
+
+ y15 = z7;
+ y15 = _mm256_add_epi32(y15, z11);
+ r15 = y15;
+ y15 = _mm256_slli_epi32(y15, 18);
+ z15 = _mm256_xor_si256(z15, y15);
+ r15 = _mm256_srli_epi32(r15, 14);
+ z15 = _mm256_xor_si256(z15, r15);
+
+ y6 = z4;
+ y6 = _mm256_add_epi32(y6, z5);
+ r6 = y6;
+ y6 = _mm256_slli_epi32(y6, 7);
+ z6 = _mm256_xor_si256(z6, y6);
+ r6 = _mm256_srli_epi32(r6, 25);
+ z6 = _mm256_xor_si256(z6, r6);
+
+ y2 = z0;
+ y2 = _mm256_add_epi32(y2, z1);
+ r2 = y2;
+ y2 = _mm256_slli_epi32(y2, 9);
+ z2 = _mm256_xor_si256(z2, y2);
+ r2 = _mm256_srli_epi32(r2, 23);
+ z2 = _mm256_xor_si256(z2, r2);
+
+ y7 = z5;
+ y7 = _mm256_add_epi32(y7, z6);
+ r7 = y7;
+ y7 = _mm256_slli_epi32(y7, 9);
+ z7 = _mm256_xor_si256(z7, y7);
+ r7 = _mm256_srli_epi32(r7, 23);
+ z7 = _mm256_xor_si256(z7, r7);
+
+ y3 = z1;
+ y3 = _mm256_add_epi32(y3, z2);
+ r3 = y3;
+ y3 = _mm256_slli_epi32(y3, 13);
+ z3 = _mm256_xor_si256(z3, y3);
+ r3 = _mm256_srli_epi32(r3, 19);
+ z3 = _mm256_xor_si256(z3, r3);
+
+ y4 = z6;
+ y4 = _mm256_add_epi32(y4, z7);
+ r4 = y4;
+ y4 = _mm256_slli_epi32(y4, 13);
+ z4 = _mm256_xor_si256(z4, y4);
+ r4 = _mm256_srli_epi32(r4, 19);
+ z4 = _mm256_xor_si256(z4, r4);
+
+ y0 = z2;
+ y0 = _mm256_add_epi32(y0, z3);
+ r0 = y0;
+ y0 = _mm256_slli_epi32(y0, 18);
+ z0 = _mm256_xor_si256(z0, y0);
+ r0 = _mm256_srli_epi32(r0, 14);
+ z0 = _mm256_xor_si256(z0, r0);
+
+ y5 = z7;
+ y5 = _mm256_add_epi32(y5, z4);
+ r5 = y5;
+ y5 = _mm256_slli_epi32(y5, 18);
+ z5 = _mm256_xor_si256(z5, y5);
+ r5 = _mm256_srli_epi32(r5, 14);
+ z5 = _mm256_xor_si256(z5, r5);
+
+ y11 = z9;
+ y11 = _mm256_add_epi32(y11, z10);
+ r11 = y11;
+ y11 = _mm256_slli_epi32(y11, 7);
+ z11 = _mm256_xor_si256(z11, y11);
+ r11 = _mm256_srli_epi32(r11, 25);
+ z11 = _mm256_xor_si256(z11, r11);
+
+ y12 = z14;
+ y12 = _mm256_add_epi32(y12, z15);
+ r12 = y12;
+ y12 = _mm256_slli_epi32(y12, 7);
+ z12 = _mm256_xor_si256(z12, y12);
+ r12 = _mm256_srli_epi32(r12, 25);
+ z12 = _mm256_xor_si256(z12, r12);
+
+ y8 = z10;
+ y8 = _mm256_add_epi32(y8, z11);
+ r8 = y8;
+ y8 = _mm256_slli_epi32(y8, 9);
+ z8 = _mm256_xor_si256(z8, y8);
+ r8 = _mm256_srli_epi32(r8, 23);
+ z8 = _mm256_xor_si256(z8, r8);
+
+ y13 = z15;
+ y13 = _mm256_add_epi32(y13, z12);
+ r13 = y13;
+ y13 = _mm256_slli_epi32(y13, 9);
+ z13 = _mm256_xor_si256(z13, y13);
+ r13 = _mm256_srli_epi32(r13, 23);
+ z13 = _mm256_xor_si256(z13, r13);
+
+ y9 = z11;
+ y9 = _mm256_add_epi32(y9, z8);
+ r9 = y9;
+ y9 = _mm256_slli_epi32(y9, 13);
+ z9 = _mm256_xor_si256(z9, y9);
+ r9 = _mm256_srli_epi32(r9, 19);
+ z9 = _mm256_xor_si256(z9, r9);
+
+ y14 = z12;
+ y14 = _mm256_add_epi32(y14, z13);
+ r14 = y14;
+ y14 = _mm256_slli_epi32(y14, 13);
+ z14 = _mm256_xor_si256(z14, y14);
+ r14 = _mm256_srli_epi32(r14, 19);
+ z14 = _mm256_xor_si256(z14, r14);
+
+ y10 = z8;
+ y10 = _mm256_add_epi32(y10, z9);
+ r10 = y10;
+ y10 = _mm256_slli_epi32(y10, 18);
+ z10 = _mm256_xor_si256(z10, y10);
+ r10 = _mm256_srli_epi32(r10, 14);
+ z10 = _mm256_xor_si256(z10, r10);
+
+ y15 = z13;
+ y15 = _mm256_add_epi32(y15, z14);
+ r15 = y15;
+ y15 = _mm256_slli_epi32(y15, 18);
+ z15 = _mm256_xor_si256(z15, y15);
+ r15 = _mm256_srli_epi32(r15, 14);
+ z15 = _mm256_xor_si256(z15, r15);
+ }
+
+/* store data ; this macro first transpose data in-registers, and then store
+ * them in memory. much faster with icc. */
+#define ONEQUAD_TRANSPOSE(A, B, C, D) \
+ { \
+ __m128i t0, t1, t2, t3; \
+ z##A = _mm256_add_epi32(z##A, orig##A); \
+ z##B = _mm256_add_epi32(z##B, orig##B); \
+ z##C = _mm256_add_epi32(z##C, orig##C); \
+ z##D = _mm256_add_epi32(z##D, orig##D); \
+ y##A = _mm256_unpacklo_epi32(z##A, z##B); \
+ y##B = _mm256_unpacklo_epi32(z##C, z##D); \
+ y##C = _mm256_unpackhi_epi32(z##A, z##B); \
+ y##D = _mm256_unpackhi_epi32(z##C, z##D); \
+ z##A = _mm256_unpacklo_epi64(y##A, y##B); \
+ z##B = _mm256_unpackhi_epi64(y##A, y##B); \
+ z##C = _mm256_unpacklo_epi64(y##C, y##D); \
+ z##D = _mm256_unpackhi_epi64(y##C, y##D); \
+ t0 = _mm_xor_si128(_mm256_extracti128_si256(z##A, 0), \
+ _mm_loadu_si128((__m128i*) (m + 0))); \
+ _mm_storeu_si128((__m128i*) (c + 0), t0); \
+ t1 = _mm_xor_si128(_mm256_extracti128_si256(z##B, 0), \
+ _mm_loadu_si128((__m128i*) (m + 64))); \
+ _mm_storeu_si128((__m128i*) (c + 64), t1); \
+ t2 = _mm_xor_si128(_mm256_extracti128_si256(z##C, 0), \
+ _mm_loadu_si128((__m128i*) (m + 128))); \
+ _mm_storeu_si128((__m128i*) (c + 128), t2); \
+ t3 = _mm_xor_si128(_mm256_extracti128_si256(z##D, 0), \
+ _mm_loadu_si128((__m128i*) (m + 192))); \
+ _mm_storeu_si128((__m128i*) (c + 192), t3); \
+ t0 = _mm_xor_si128(_mm256_extracti128_si256(z##A, 1), \
+ _mm_loadu_si128((__m128i*) (m + 256))); \
+ _mm_storeu_si128((__m128i*) (c + 256), t0); \
+ t1 = _mm_xor_si128(_mm256_extracti128_si256(z##B, 1), \
+ _mm_loadu_si128((__m128i*) (m + 320))); \
+ _mm_storeu_si128((__m128i*) (c + 320), t1); \
+ t2 = _mm_xor_si128(_mm256_extracti128_si256(z##C, 1), \
+ _mm_loadu_si128((__m128i*) (m + 384))); \
+ _mm_storeu_si128((__m128i*) (c + 384), t2); \
+ t3 = _mm_xor_si128(_mm256_extracti128_si256(z##D, 1), \
+ _mm_loadu_si128((__m128i*) (m + 448))); \
+ _mm_storeu_si128((__m128i*) (c + 448), t3); \
+ }
+
+#define ONEQUAD(A, B, C, D) ONEQUAD_TRANSPOSE(A, B, C, D)
+
+#define ONEQUAD_UNPCK(A, B, C, D) \
+ { \
+ z##A = _mm256_add_epi32(z##A, orig##A); \
+ z##B = _mm256_add_epi32(z##B, orig##B); \
+ z##C = _mm256_add_epi32(z##C, orig##C); \
+ z##D = _mm256_add_epi32(z##D, orig##D); \
+ y##A = _mm256_unpacklo_epi32(z##A, z##B); \
+ y##B = _mm256_unpacklo_epi32(z##C, z##D); \
+ y##C = _mm256_unpackhi_epi32(z##A, z##B); \
+ y##D = _mm256_unpackhi_epi32(z##C, z##D); \
+ z##A = _mm256_unpacklo_epi64(y##A, y##B); \
+ z##B = _mm256_unpackhi_epi64(y##A, y##B); \
+ z##C = _mm256_unpacklo_epi64(y##C, y##D); \
+ z##D = _mm256_unpackhi_epi64(y##C, y##D); \
+ }
+
+#define ONEOCTO(A, B, C, D, A2, B2, C2, D2) \
+ { \
+ ONEQUAD_UNPCK(A, B, C, D); \
+ ONEQUAD_UNPCK(A2, B2, C2, D2); \
+ y##A = _mm256_permute2x128_si256(z##A, z##A2, 0x20); \
+ y##A2 = _mm256_permute2x128_si256(z##A, z##A2, 0x31); \
+ y##B = _mm256_permute2x128_si256(z##B, z##B2, 0x20); \
+ y##B2 = _mm256_permute2x128_si256(z##B, z##B2, 0x31); \
+ y##C = _mm256_permute2x128_si256(z##C, z##C2, 0x20); \
+ y##C2 = _mm256_permute2x128_si256(z##C, z##C2, 0x31); \
+ y##D = _mm256_permute2x128_si256(z##D, z##D2, 0x20); \
+ y##D2 = _mm256_permute2x128_si256(z##D, z##D2, 0x31); \
+ y##A = _mm256_xor_si256(y##A, _mm256_loadu_si256((__m256i*) (m + 0))); \
+ y##B = \
+ _mm256_xor_si256(y##B, _mm256_loadu_si256((__m256i*) (m + 64))); \
+ y##C = \
+ _mm256_xor_si256(y##C, _mm256_loadu_si256((__m256i*) (m + 128))); \
+ y##D = \
+ _mm256_xor_si256(y##D, _mm256_loadu_si256((__m256i*) (m + 192))); \
+ y##A2 = \
+ _mm256_xor_si256(y##A2, _mm256_loadu_si256((__m256i*) (m + 256))); \
+ y##B2 = \
+ _mm256_xor_si256(y##B2, _mm256_loadu_si256((__m256i*) (m + 320))); \
+ y##C2 = \
+ _mm256_xor_si256(y##C2, _mm256_loadu_si256((__m256i*) (m + 384))); \
+ y##D2 = \
+ _mm256_xor_si256(y##D2, _mm256_loadu_si256((__m256i*) (m + 448))); \
+ _mm256_storeu_si256((__m256i*) (c + 0), y##A); \
+ _mm256_storeu_si256((__m256i*) (c + 64), y##B); \
+ _mm256_storeu_si256((__m256i*) (c + 128), y##C); \
+ _mm256_storeu_si256((__m256i*) (c + 192), y##D); \
+ _mm256_storeu_si256((__m256i*) (c + 256), y##A2); \
+ _mm256_storeu_si256((__m256i*) (c + 320), y##B2); \
+ _mm256_storeu_si256((__m256i*) (c + 384), y##C2); \
+ _mm256_storeu_si256((__m256i*) (c + 448), y##D2); \
+ }
+
+ ONEOCTO(0, 1, 2, 3, 4, 5, 6, 7);
+ m += 32;
+ c += 32;
+ ONEOCTO(8, 9, 10, 11, 12, 13, 14, 15);
+ m -= 32;
+ c -= 32;
+
+#undef ONEQUAD
+#undef ONEQUAD_TRANSPOSE
+#undef ONEQUAD_UNPCK
+#undef ONEOCTO
+
+ bytes -= 512;
+ c += 512;
+ m += 512;
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-10 18:28:09 +0000