FD.io VPP  v18.01-8-g0eacf49
Vector Packet Processing
vector.h
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1 /*
2  * Copyright (c) 2015 Cisco and/or its affiliates.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 /*
16  Copyright (c) 2005 Eliot Dresselhaus
17 
18  Permission is hereby granted, free of charge, to any person obtaining
19  a copy of this software and associated documentation files (the
20  "Software"), to deal in the Software without restriction, including
21  without limitation the rights to use, copy, modify, merge, publish,
22  distribute, sublicense, and/or sell copies of the Software, and to
23  permit persons to whom the Software is furnished to do so, subject to
24  the following conditions:
25 
26  The above copyright notice and this permission notice shall be
27  included in all copies or substantial portions of the Software.
28 
29  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
30  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
31  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
32  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
33  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
34  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
35  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
36 */
37 
38 #ifndef included_clib_vector_h
39 #define included_clib_vector_h
40 
41 #include <vppinfra/clib.h>
42 
43 /* Vector types. */
44 
45 #if defined (__MMX__) || defined (__IWMMXT__) || defined (__aarch64__)
46 #define CLIB_HAVE_VEC64
47 #endif
48 
49 #if defined (__SSE2__) && __GNUC__ >= 4
50 #define CLIB_HAVE_VEC128
51 #endif
52 
53 #if defined (__ALTIVEC__)
54 #define CLIB_HAVE_VEC128
55 #endif
56 
57 #if defined (__AVX__)
58 #define CLIB_HAVE_VEC256
59 #endif
60 
61 #if defined (__AVX512F__)
62 #define CLIB_HAVE_VEC512
63 #endif
64 
65 /* 128 implies 64 */
66 #ifdef CLIB_HAVE_VEC128
67 #define CLIB_HAVE_VEC64
68 #endif
69 
70 #define _vector_size(n) __attribute__ ((vector_size (n)))
71 
72 #if defined (__aarch64__) || defined (__arm__)
73 typedef unsigned int u32x4 _vector_size (16);
74 typedef u8 u8x16 _vector_size (16);
75 typedef u16 u16x8 _vector_size (16);
76 typedef u32 u32x4 _vector_size (16);
77 typedef u64 u64x2 _vector_size (16);
78 #endif
79 
80 #ifdef CLIB_HAVE_VEC64
81 /* Signed 64 bit. */
82 typedef char i8x8 _vector_size (8);
83 typedef short i16x4 _vector_size (8);
84 typedef int i32x2 _vector_size (8);
85 
86 /* Unsigned 64 bit. */
87 typedef unsigned char u8x8 _vector_size (8);
88 typedef unsigned short u16x4 _vector_size (8);
89 typedef unsigned int u32x2 _vector_size (8);
90 
91 /* Floating point 64 bit. */
92 typedef float f32x2 _vector_size (8);
93 #endif /* CLIB_HAVE_VEC64 */
94 
95 #ifdef CLIB_HAVE_VEC128
96 /* Signed 128 bit. */
97 typedef i8 i8x16 _vector_size (16);
98 typedef i16 i16x8 _vector_size (16);
99 typedef i32 i32x4 _vector_size (16);
100 typedef long long i64x2 _vector_size (16);
101 
102 /* Unsigned 128 bit. */
103 typedef u8 u8x16 _vector_size (16);
104 typedef u16 u16x8 _vector_size (16);
105 typedef u32 u32x4 _vector_size (16);
106 typedef u64 u64x2 _vector_size (16);
107 
108 typedef f32 f32x4 _vector_size (16);
109 typedef f64 f64x2 _vector_size (16);
110 
111 /* Signed 256 bit. */
112 typedef i8 i8x32 _vector_size (32);
113 typedef i16 i16x16 _vector_size (32);
114 typedef i32 i32x8 _vector_size (32);
115 typedef long long i64x4 _vector_size (32);
116 
117 /* Unsigned 256 bit. */
118 typedef u8 u8x32 _vector_size (32);
119 typedef u16 u16x16 _vector_size (32);
120 typedef u32 u32x8 _vector_size (32);
121 typedef u64 u64x4 _vector_size (32);
122 
123 typedef f32 f32x8 _vector_size (32);
124 typedef f64 f64x4 _vector_size (32);
125 #endif /* CLIB_HAVE_VEC128 */
126 
127 #ifdef CLIB_HAVE_VEC512
128 /* Signed 512 bit. */
129 typedef i8 i8x64 _vector_size (64);
130 typedef i16 i16x32 _vector_size (64);
131 typedef i32 i32x16 _vector_size (64);
132 typedef long long i64x8 _vector_size (64);
133 
134 /* Unsigned 512 bit. */
135 typedef u8 u8x64 _vector_size (64);
136 typedef u16 u16x32 _vector_size (64);
137 typedef u32 u32x16 _vector_size (64);
138 typedef u64 u64x8 _vector_size (64);
139 
140 typedef f32 f32x16 _vector_size (64);
141 typedef f64 f64x8 _vector_size (64);
142 #endif /* CLIB_HAVE_VEC512 */
143 
144 /* Vector word sized types. */
145 #ifndef CLIB_VECTOR_WORD_BITS
146 #ifdef CLIB_HAVE_VEC128
147 #define CLIB_VECTOR_WORD_BITS 128
148 #else
149 #define CLIB_VECTOR_WORD_BITS 64
150 #endif
151 #endif /* CLIB_VECTOR_WORD_BITS */
152 
153 /* Vector word sized types. */
154 #if CLIB_VECTOR_WORD_BITS == 128
155 typedef i8 i8x _vector_size (16);
156 typedef i16 i16x _vector_size (16);
157 typedef i32 i32x _vector_size (16);
158 typedef i64 i64x _vector_size (16);
159 typedef u8 u8x _vector_size (16);
160 typedef u16 u16x _vector_size (16);
161 typedef u32 u32x _vector_size (16);
162 typedef u64 u64x _vector_size (16);
163 #endif
164 #if CLIB_VECTOR_WORD_BITS == 64
165 typedef i8 i8x _vector_size (8);
166 typedef i16 i16x _vector_size (8);
167 typedef i32 i32x _vector_size (8);
168 typedef i64 i64x _vector_size (8);
169 typedef u8 u8x _vector_size (8);
170 typedef u16 u16x _vector_size (8);
171 typedef u32 u32x _vector_size (8);
172 typedef u64 u64x _vector_size (8);
173 #endif
174 
175 #undef _vector_size
176 
177 #define VECTOR_WORD_TYPE(t) t##x
178 #define VECTOR_WORD_TYPE_LEN(t) (sizeof (VECTOR_WORD_TYPE(t)) / sizeof (t))
179 
180 /* Union types. */
181 #if (defined(CLIB_HAVE_VEC128) || defined(CLIB_HAVE_VEC64))
182 
183 #define _(t) \
184  typedef union { \
185  t##x as_##t##x; \
186  t as_##t[VECTOR_WORD_TYPE_LEN (t)]; \
187  } t##x##_union_t;
188 
189 _(u8);
190 _(u16);
191 _(u32);
192 _(u64);
193 _(i8);
194 _(i16);
195 _(i32);
196 _(i64);
197 
198 #undef _
199 
200 #endif
201 
202 #ifdef CLIB_HAVE_VEC64
203 
204 #define _(t,n) \
205  typedef union { \
206  t##x##n as_##t##x##n; \
207  t as_##t[n]; \
208  } t##x##n##_union_t; \
209 
210 _(u8, 8);
211 _(u16, 4);
212 _(u32, 2);
213 _(i8, 8);
214 _(i16, 4);
215 _(i32, 2);
216 
217 #undef _
218 
219 #endif
220 
221 #ifdef CLIB_HAVE_VEC128
222 
223 #define _(t,n) \
224  typedef union { \
225  t##x##n as_##t##x##n; \
226  t as_##t[n]; \
227  } t##x##n##_union_t; \
228 
229 _(u8, 16);
230 _(u16, 8);
231 _(u32, 4);
232 _(u64, 2);
233 _(i8, 16);
234 _(i16, 8);
235 _(i32, 4);
236 _(i64, 2);
237 _(f32, 4);
238 _(f64, 2);
239 
240 #undef _
241 
242 #endif
243 
244 /* When we don't have vector types, still define e.g. u32x4_union_t but as an array. */
245 #if !defined(CLIB_HAVE_VEC128) && !defined(CLIB_HAVE_VEC64)
246 
247 #define _(t,n) \
248  typedef union { \
249  t as_##t[n]; \
250  } t##x##n##_union_t; \
251 
252 _(u8, 16);
253 _(u16, 8);
254 _(u32, 4);
255 _(u64, 2);
256 _(i8, 16);
257 _(i16, 8);
258 _(i32, 4);
259 _(i64, 2);
260 
261 #undef _
262 
263 #endif
264 
265 #if defined (__SSE2__) && __GNUC__ >= 4
266 #include <vppinfra/vector_sse2.h>
267 #endif
268 
269 #if defined (__ALTIVEC__)
270 #include <vppinfra/vector_altivec.h>
271 #endif
272 
273 #if defined (__IWMMXT__)
274 #include <vppinfra/vector_iwmmxt.h>
275 #endif
276 
277 #if defined (__aarch64__)
278 #include <vppinfra/vector_neon.h>
279 #endif
280 
281 #if (defined(CLIB_HAVE_VEC128) || defined(CLIB_HAVE_VEC64))
282 #include <vppinfra/vector_funcs.h>
283 #endif
284 
285 #endif /* included_clib_vector_h */
286 
287 /*
288  * fd.io coding-style-patch-verification: ON
289  *
290  * Local Variables:
291  * eval: (c-set-style "gnu")
292  * End:
293  */
float f32
Definition: types.h:143
i32x4
unsigned long long u32x4
Definition: ixge.c:28
int i32
Definition: types.h:81
char i8
Definition: types.h:45
unsigned long u64
Definition: types.h:89
long i64
Definition: types.h:82
unsigned int u32
Definition: types.h:88
vmrglw i16x8
unsigned short u16
Definition: types.h:57
double f64
Definition: types.h:142
unsigned char u8
Definition: types.h:56
short i16
Definition: types.h:46