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:
7 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 Copyright (c) 2005 Eliot Dresselhaus
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:
26 The above copyright notice and this permission notice shall be
27 included in all copies or substantial portions of the Software.
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.
38 #ifndef included_clib_vector_h
39 #define included_clib_vector_h
41 #include <vppinfra/clib.h>
45 #if defined (__MMX__) || defined (__IWMMXT__) || defined (__aarch64__)
46 #define CLIB_HAVE_VEC64
49 #if defined (__aarch64__) && defined(__ARM_NEON)
50 #define CLIB_HAVE_VEC128
53 #if defined (__SSE4_2__) && __GNUC__ >= 4
54 #define CLIB_HAVE_VEC128
57 #if defined (__ALTIVEC__)
58 #define CLIB_HAVE_VEC128
62 #define CLIB_HAVE_VEC256
65 #if defined (__AVX512F__)
66 #define CLIB_HAVE_VEC512
70 #ifdef CLIB_HAVE_VEC128
71 #define CLIB_HAVE_VEC64
74 #define _vector_size(n) __attribute__ ((vector_size (n)))
76 #define foreach_vec64i _(i,8,8) _(i,16,4) _(i,32,2)
77 #define foreach_vec64u _(u,8,8) _(u,16,4) _(u,32,2)
78 #define foreach_vec64f _(f,32,2)
79 #define foreach_vec128i _(i,8,16) _(i,16,8) _(i,32,4) _(i,64,2)
80 #define foreach_vec128u _(u,8,16) _(u,16,8) _(u,32,4) _(u,64,2)
81 #define foreach_vec128f _(f,32,4) _(f,64,2)
82 #define foreach_vec256i _(i,8,32) _(i,16,16) _(i,32,8) _(i,64,4)
83 #define foreach_vec256u _(u,8,32) _(u,16,16) _(u,32,8) _(u,64,4)
84 #define foreach_vec256f _(f,32,8) _(f,64,4)
85 #define foreach_vec512i _(i,8,64) _(i,16,32) _(i,32,16) _(i,64,8)
86 #define foreach_vec512u _(u,8,64) _(u,16,32) _(u,32,16) _(u,64,8)
87 #define foreach_vec512f _(f,32,16) _(f,64,8)
89 #if defined (CLIB_HAVE_VEC512)
90 #define foreach_int_vec foreach_vec64i foreach_vec128i foreach_vec256i foreach_vec512i
91 #define foreach_uint_vec foreach_vec64u foreach_vec128u foreach_vec256u foreach_vec512u
92 #define foreach_float_vec foreach_vec64f foreach_vec128f foreach_vec256f foreach_vec512f
93 #elif defined (CLIB_HAVE_VEC256)
94 #define foreach_int_vec foreach_vec64i foreach_vec128i foreach_vec256i
95 #define foreach_uint_vec foreach_vec64u foreach_vec128u foreach_vec256u
96 #define foreach_float_vec foreach_vec64f foreach_vec128f foreach_vec256f
98 #define foreach_int_vec foreach_vec64i foreach_vec128i
99 #define foreach_uint_vec foreach_vec64u foreach_vec128u
100 #define foreach_float_vec foreach_vec64f foreach_vec128f
103 #define foreach_vec foreach_int_vec foreach_uint_vec foreach_float_vec
107 /* Type Definitions */
109 typedef t##s t##s##x##c _vector_size (s/8*c); \
111 t##s##x##c as_##t##s##x##c; \
113 } t##s##x##c##_union_t;
115 foreach_vec64i foreach_vec64u foreach_vec64f
116 foreach_vec128i foreach_vec128u foreach_vec128f
117 foreach_vec256i foreach_vec256u foreach_vec256f
118 foreach_vec512i foreach_vec512u foreach_vec512f
121 /* Vector word sized types. */
122 #ifndef CLIB_VECTOR_WORD_BITS
123 #ifdef CLIB_HAVE_VEC128
124 #define CLIB_VECTOR_WORD_BITS 128
126 #define CLIB_VECTOR_WORD_BITS 64
128 #endif /* CLIB_VECTOR_WORD_BITS */
130 /* Vector word sized types. */
131 #if CLIB_VECTOR_WORD_BITS == 128
132 typedef i8 i8x _vector_size (16);
133 typedef i16 i16x _vector_size (16);
134 typedef i32 i32x _vector_size (16);
135 typedef i64 i64x _vector_size (16);
136 typedef u8 u8x _vector_size (16);
137 typedef u16 u16x _vector_size (16);
138 typedef u32 u32x _vector_size (16);
139 typedef u64 u64x _vector_size (16);
141 #if CLIB_VECTOR_WORD_BITS == 64
142 typedef i8 i8x _vector_size (8);
143 typedef i16 i16x _vector_size (8);
144 typedef i32 i32x _vector_size (8);
145 typedef i64 i64x _vector_size (8);
146 typedef u8 u8x _vector_size (8);
147 typedef u16 u16x _vector_size (8);
148 typedef u32 u32x _vector_size (8);
149 typedef u64 u64x _vector_size (8);
154 #define VECTOR_WORD_TYPE(t) t##x
155 #define VECTOR_WORD_TYPE_LEN(t) (sizeof (VECTOR_WORD_TYPE(t)) / sizeof (t))
157 /* this series of macros generate _is_equal, _is_greater, _is_zero, _add
158 and _sub inline funcitons for each vector type */
160 static_always_inline t##s##x##c \
161 t##s##x##c##_is_equal (t##s##x##c v1, t##s##x##c v2) \
162 { return (v1 == v2); } \
164 static_always_inline t##s##x##c \
165 t##s##x##c##_is_greater (t##s##x##c v1, t##s##x##c v2) \
166 { return (v1 > v2); } \
168 static_always_inline t##s##x##c \
169 t##s##x##c##_is_zero (t##s##x##c v1) \
170 { t##s##x##c z = {0}; return (v1 == z); } \
172 static_always_inline t##s##x##c \
173 t##s##x##c##_add (t##s##x##c v1, t##s##x##c v2) \
174 { return (v1 + v2); } \
176 static_always_inline t##s##x##c \
177 t##s##x##c##_sub (t##s##x##c v1, t##s##x##c v2) \
178 { return (v1 - v2); }
182 /* this macro generate _splat inline funcitons for each scalar vector type */
184 static_always_inline t##s##x##c \
185 t##s##x##c##_splat (t##s x) \
190 for (i = 0; i < c; i++) \
195 foreach_int_vec foreach_uint_vec
198 #if defined (__SSE4_2__) && __GNUC__ >= 4
199 #include <vppinfra/vector_sse42.h>
202 #if defined (__ALTIVEC__)
203 #include <vppinfra/vector_altivec.h>
206 #if defined (__aarch64__)
207 #include <vppinfra/vector_neon.h>
210 #if (defined(CLIB_HAVE_VEC128) || defined(CLIB_HAVE_VEC64))
211 #include <vppinfra/vector_funcs.h>
216 #endif /* included_clib_vector_h */
218 * fd.io coding-style-patch-verification: ON
221 * eval: (c-set-style "gnu")