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authorMoonchild <mcwerewolf@gmail.com>2018-06-12 00:58:35 +0200
committerGitHub <noreply@github.com>2018-06-12 00:58:35 +0200
commitb0f5f9bc6bb3c8b5ab7b5120dbf7ec48f8445387 (patch)
tree40d946c5ff23b3c0c09558f478cc68e87cc71448 /security/nss/lib/freebl/verified/vec128.h
parentb1d82a62259c6888ea6f3f71f3e0973ea4b4e85e (diff)
parent505a561549b5226fd3c7905eaa61fe787dfad243 (diff)
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Merge pull request #477 from JustOff/PR_nss-3.36
Update NSS/NSPR to 3.36.4/4.19
Diffstat (limited to 'security/nss/lib/freebl/verified/vec128.h')
-rw-r--r--security/nss/lib/freebl/verified/vec128.h345
1 files changed, 345 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/verified/vec128.h b/security/nss/lib/freebl/verified/vec128.h
new file mode 100644
index 000000000..986e9db82
--- /dev/null
+++ b/security/nss/lib/freebl/verified/vec128.h
@@ -0,0 +1,345 @@
+/* Copyright 2016-2017 INRIA and Microsoft Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __Vec_H
+#define __Vec_H
+
+#ifdef __MSVC__
+#define forceinline __forceinline inline
+#elif (defined(__GNUC__) || defined(__clang__))
+#define forceinline __attribute__((always_inline)) inline
+#else
+#define forceinline inline
+#endif
+
+#if defined(__SSSE3__) || defined(__AVX2__) || defined(__AVX__)
+
+#include <emmintrin.h>
+#include <tmmintrin.h>
+
+#define VEC128
+#define vec_size 4
+
+typedef __m128i vec;
+
+static forceinline vec
+vec_rotate_left_8(vec v)
+{
+ __m128i x = _mm_set_epi8(14, 13, 12, 15, 10, 9, 8, 11, 6, 5, 4, 7, 2, 1, 0, 3);
+ return _mm_shuffle_epi8(v, x);
+}
+
+static forceinline vec
+vec_rotate_left_16(vec v)
+{
+ __m128i x = _mm_set_epi8(13, 12, 15, 14, 9, 8, 11, 10, 5, 4, 7, 6, 1, 0, 3, 2);
+ return _mm_shuffle_epi8(v, x);
+}
+
+static forceinline vec
+vec_rotate_left(vec v, unsigned int n)
+{
+ if (n == 8)
+ return vec_rotate_left_8(v);
+ if (n == 16)
+ return vec_rotate_left_16(v);
+ return _mm_xor_si128(_mm_slli_epi32(v, n),
+ _mm_srli_epi32(v, 32 - n));
+}
+
+static forceinline vec
+vec_rotate_right(vec v, unsigned int n)
+{
+ return (vec_rotate_left(v, 32 - n));
+}
+
+#define vec_shuffle_right(x, n) \
+ _mm_shuffle_epi32(x, _MM_SHUFFLE((3 + (n)) % 4, (2 + (n)) % 4, (1 + (n)) % 4, (n) % 4))
+
+#define vec_shuffle_left(x, n) vec_shuffle_right((x), 4 - (n))
+
+static forceinline vec
+vec_load_32x4(uint32_t x1, uint32_t x2, uint32_t x3, uint32_t x4)
+{
+ return _mm_set_epi32(x4, x3, x2, x1);
+}
+
+static forceinline vec
+vec_load_32x8(uint32_t x1, uint32_t x2, uint32_t x3, uint32_t x4, uint32_t x5, uint32_t x6, uint32_t x7, uint32_t x8)
+{
+ return _mm_set_epi32(x4, x3, x2, x1);
+}
+
+static forceinline vec
+vec_load_le(const unsigned char* in)
+{
+ return _mm_loadu_si128((__m128i*)(in));
+}
+
+static forceinline vec
+vec_load128_le(const unsigned char* in)
+{
+ return vec_load_le(in);
+}
+
+static forceinline void
+vec_store_le(unsigned char* out, vec v)
+{
+ _mm_storeu_si128((__m128i*)(out), v);
+}
+
+static forceinline vec
+vec_add(vec v1, vec v2)
+{
+ return _mm_add_epi32(v1, v2);
+}
+
+static forceinline vec
+vec_add_u32(vec v1, uint32_t x)
+{
+ vec v2 = vec_load_32x4(x, 0, 0, 0);
+ return _mm_add_epi32(v1, v2);
+}
+
+static forceinline vec
+vec_increment(vec v1)
+{
+ vec one = vec_load_32x4(1, 0, 0, 0);
+ return _mm_add_epi32(v1, one);
+}
+
+static forceinline vec
+vec_xor(vec v1, vec v2)
+{
+ return _mm_xor_si128(v1, v2);
+}
+
+#define vec_zero() _mm_set_epi32(0, 0, 0, 0)
+
+#elif defined(__ARM_NEON__) || defined(__ARM_NEON)
+#include <arm_neon.h>
+
+typedef uint32x4_t vec;
+
+static forceinline vec
+vec_xor(vec v1, vec v2)
+{
+ return veorq_u32(v1, v2);
+}
+
+#define vec_rotate_left(x, n) \
+ vsriq_n_u32(vshlq_n_u32((x), (n)), (x), 32 - (n))
+
+#define vec_rotate_right(a, b) \
+ vec_rotate_left((b), 32 - (b))
+
+#define vec_shuffle_right(x, n) \
+ vextq_u32((x), (x), (n))
+
+#define vec_shuffle_left(a, b) \
+ vec_shuffle_right((a), 4 - (b))
+
+static forceinline vec
+vec_load_32x4(uint32_t x1, uint32_t x2, uint32_t x3, uint32_t x4)
+{
+ uint32_t a[4] = { x1, x2, x3, x4 };
+ return vld1q_u32(a);
+}
+
+static forceinline vec
+vec_load_32(uint32_t x1)
+{
+ uint32_t a[4] = { x1, x1, x1, x1 };
+ return vld1q_u32(a);
+}
+
+static forceinline vec
+vec_load_32x8(uint32_t x1, uint32_t x2, uint32_t x3, uint32_t x4, uint32_t x5, uint32_t x6, uint32_t x7, uint32_t x8)
+{
+ return vec_load_32x4(x1, x2, x3, x4);
+}
+
+static forceinline vec
+vec_load_le(const unsigned char* in)
+{
+ return vld1q_u32((uint32_t*)in);
+}
+
+static forceinline vec
+vec_load128_le(const unsigned char* in)
+{
+ return vec_load_le(in);
+}
+
+static forceinline void
+vec_store_le(unsigned char* out, vec v)
+{
+ vst1q_u32((uint32_t*)out, v);
+}
+
+static forceinline vec
+vec_add(vec v1, vec v2)
+{
+ return vaddq_u32(v1, v2);
+}
+
+static forceinline vec
+vec_add_u32(vec v1, uint32_t x)
+{
+ vec v2 = vec_load_32x4(x, 0, 0, 0);
+ return vec_add(v1, v2);
+}
+
+static forceinline vec
+vec_increment(vec v1)
+{
+ vec one = vec_load_32x4(1, 0, 0, 0);
+ return vec_add(v1, one);
+}
+
+#define vec_zero() vec_load_32x4(0, 0, 0, 0)
+
+#else
+
+#define VEC128
+#define vec_size 4
+
+typedef struct {
+ uint32_t v[4];
+} vec;
+
+static forceinline vec
+vec_xor(vec v1, vec v2)
+{
+ vec r;
+ r.v[0] = v1.v[0] ^ v2.v[0];
+ r.v[1] = v1.v[1] ^ v2.v[1];
+ r.v[2] = v1.v[2] ^ v2.v[2];
+ r.v[3] = v1.v[3] ^ v2.v[3];
+ return r;
+}
+
+static forceinline vec
+vec_rotate_left(vec v, unsigned int n)
+{
+ vec r;
+ r.v[0] = (v.v[0] << n) ^ (v.v[0] >> (32 - n));
+ r.v[1] = (v.v[1] << n) ^ (v.v[1] >> (32 - n));
+ r.v[2] = (v.v[2] << n) ^ (v.v[2] >> (32 - n));
+ r.v[3] = (v.v[3] << n) ^ (v.v[3] >> (32 - n));
+ return r;
+}
+
+static forceinline vec
+vec_rotate_right(vec v, unsigned int n)
+{
+ return (vec_rotate_left(v, 32 - n));
+}
+
+static forceinline vec
+vec_shuffle_right(vec v, unsigned int n)
+{
+ vec r;
+ r.v[0] = v.v[n % 4];
+ r.v[1] = v.v[(n + 1) % 4];
+ r.v[2] = v.v[(n + 2) % 4];
+ r.v[3] = v.v[(n + 3) % 4];
+ return r;
+}
+
+static forceinline vec
+vec_shuffle_left(vec x, unsigned int n)
+{
+ return vec_shuffle_right(x, 4 - n);
+}
+
+static forceinline vec
+vec_load_32x4(uint32_t x0, uint32_t x1, uint32_t x2, uint32_t x3)
+{
+ vec v;
+ v.v[0] = x0;
+ v.v[1] = x1;
+ v.v[2] = x2;
+ v.v[3] = x3;
+ return v;
+}
+
+static forceinline vec
+vec_load_32(uint32_t x0)
+{
+ vec v;
+ v.v[0] = x0;
+ v.v[1] = x0;
+ v.v[2] = x0;
+ v.v[3] = x0;
+ return v;
+}
+
+static forceinline vec
+vec_load_le(const uint8_t* in)
+{
+ vec r;
+ r.v[0] = load32_le((uint8_t*)in);
+ r.v[1] = load32_le((uint8_t*)in + 4);
+ r.v[2] = load32_le((uint8_t*)in + 8);
+ r.v[3] = load32_le((uint8_t*)in + 12);
+ return r;
+}
+
+static forceinline void
+vec_store_le(unsigned char* out, vec r)
+{
+ store32_le(out, r.v[0]);
+ store32_le(out + 4, r.v[1]);
+ store32_le(out + 8, r.v[2]);
+ store32_le(out + 12, r.v[3]);
+}
+
+static forceinline vec
+vec_load128_le(const unsigned char* in)
+{
+ return vec_load_le(in);
+}
+
+static forceinline vec
+vec_add(vec v1, vec v2)
+{
+ vec r;
+ r.v[0] = v1.v[0] + v2.v[0];
+ r.v[1] = v1.v[1] + v2.v[1];
+ r.v[2] = v1.v[2] + v2.v[2];
+ r.v[3] = v1.v[3] + v2.v[3];
+ return r;
+}
+
+static forceinline vec
+vec_add_u32(vec v1, uint32_t x)
+{
+ vec v2 = vec_load_32x4(x, 0, 0, 0);
+ return vec_add(v1, v2);
+}
+
+static forceinline vec
+vec_increment(vec v1)
+{
+ vec one = vec_load_32x4(1, 0, 0, 0);
+ return vec_add(v1, one);
+}
+
+#define vec_zero() vec_load_32x4(0, 0, 0, 0)
+
+#endif
+
+#endif