summaryrefslogtreecommitdiffstats
path: root/src/vppinfra/vector.h
blob: 2b84cc24869b41a3a7b536d04d14f26ec4224b00 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
/*
 * Copyright (c) 2015 Cisco and/or its affiliates.
 * 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.
 */
/*
  Copyright (c) 2005 Eliot Dresselhaus

  Permission is hereby granted, free of charge, to any person obtaining
  a copy of this software and associated documentation files (the
  "Software"), to deal in the Software without restriction, including
  without limitation the rights to use, copy, modify, merge, publish,
  distribute, sublicense, and/or sell copies of the Software, and to
  permit persons to whom the Software is furnished to do so, subject to
  the following conditions:

  The above copyright notice and this permission notice shall be
  included in all copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

#ifndef included_clib_vector_h
#define included_clib_vector_h

#include <vppinfra/clib.h>

/* Vector types. */

#if defined (__MMX__) || defined (__IWMMXT__) || defined (__aarch64__) \
  || defined (__i686__)
#define CLIB_HAVE_VEC64
#endif

#if defined (__aarch64__) && defined(__ARM_NEON) || defined (__i686__)
#define CLIB_HAVE_VEC128
#endif

#if defined (__SSE4_2__) && __GNUC__ >= 4
#define CLIB_HAVE_VEC128
#endif

#if defined (__ALTIVEC__)
#define CLIB_HAVE_VEC128
#endif

#if defined (__AVX2__)
#define CLIB_HAVE_VEC256
#if defined (__clang__)  && __clang_major__ < 4
#undef CLIB_HAVE_VEC256
#endif
#endif

#if defined (__AVX512F__)
#define CLIB_HAVE_VEC512
#endif

/* 128 implies 64 */
#ifdef CLIB_HAVE_VEC128
#define CLIB_HAVE_VEC64
#endif

#define _vector_size(n) __attribute__ ((vector_size (n)))

#define foreach_vec64i  _(i,8,8)  _(i,16,4)  _(i,32,2)
#define foreach_vec64u  _(u,8,8)  _(u,16,4)  _(u,32,2)
#define foreach_vec64f  _(f,32,2)
#define foreach_vec128i _(i,8,16) _(i,16,8)  _(i,32,4)  _(i,64,2)
#define foreach_vec128u _(u,8,16) _(u,16,8)  _(u,32,4)  _(u,64,2)
#define foreach_vec128f _(f,32,4) _(f,64,2)
#define foreach_vec256i _(i,8,32) _(i,16,16) _(i,32,8)  _(i,64,4)
#define foreach_vec256u _(u,8,32) _(u,16,16) _(u,32,8)  _(u,64,4)
#define foreach_vec256f _(f,32,8) _(f,64,4)
#define foreach_vec512i _(i,8,64) _(i,16,32) _(i,32,16) _(i,64,8)
#define foreach_vec512u _(u,8,64) _(u,16,32) _(u,32,16) _(u,64,8)
#define foreach_vec512f _(f,32,16) _(f,64,8)

#if defined (CLIB_HAVE_VEC512)
#define foreach_int_vec foreach_vec64i foreach_vec128i foreach_vec256i foreach_vec512i
#define foreach_uint_vec foreach_vec64u foreach_vec128u foreach_vec256u foreach_vec512u
#define foreach_float_vec foreach_vec64f foreach_vec128f foreach_vec256f foreach_vec512f
#elif defined (CLIB_HAVE_VEC256)
#define foreach_int_vec foreach_vec64i foreach_vec128i foreach_vec256i
#define foreach_uint_vec foreach_vec64u foreach_vec128u foreach_vec256u
#define foreach_float_vec foreach_vec64f foreach_vec128f foreach_vec256f
#else
#define foreach_int_vec foreach_vec64i foreach_vec128i
#define foreach_uint_vec foreach_vec64u foreach_vec128u
#define foreach_float_vec foreach_vec64f foreach_vec128f
#endif

#define foreach_vec foreach_int_vec foreach_uint_vec foreach_float_vec

/* *INDENT-OFF* */

/* Type Definitions */
#define _(t,s,c) \
typedef t##s t##s##x##c _vector_size (s/8*c);	\
typedef union {	  \
  t##s##x##c as_##t##s##x##c;	\
  t##s as_##t##s[c];	  \
} t##s##x##c##_union_t;

  foreach_vec64i foreach_vec64u foreach_vec64f
  foreach_vec128i foreach_vec128u foreach_vec128f
  foreach_vec256i foreach_vec256u foreach_vec256f
  foreach_vec512i foreach_vec512u foreach_vec512f
#undef _

/* Vector word sized types. */
#ifndef CLIB_VECTOR_WORD_BITS
#ifdef CLIB_HAVE_VEC128
#define CLIB_VECTOR_WORD_BITS 128
#else
#define CLIB_VECTOR_WORD_BITS 64
#endif
#endif /* CLIB_VECTOR_WORD_BITS */

/* Vector word sized types. */
#if CLIB_VECTOR_WORD_BITS == 128
typedef i8 i8x _vector_size (16);
typedef i16 i16x _vector_size (16);
typedef i32 i32x _vector_size (16);
typedef i64 i64x _vector_size (16);
typedef u8 u8x _vector_size (16);
typedef u16 u16x _vector_size (16);
typedef u32 u32x _vector_size (16);
typedef u64 u64x _vector_size (16);
#endif
#if CLIB_VECTOR_WORD_BITS == 64
typedef i8 i8x _vector_size (8);
typedef i16 i16x _vector_size (8);
typedef i32 i32x _vector_size (8);
typedef i64 i64x _vector_size (8);
typedef u8 u8x _vector_size (8);
typedef u16 u16x _vector_size (8);
typedef u32 u32x _vector_size (8);
typedef u64 u64x _vector_size (8);
#endif

#undef _vector_size

#define VECTOR_WORD_TYPE(t) t##x
#define VECTOR_WORD_TYPE_LEN(t) (sizeof (VECTOR_WORD_TYPE(t)) / sizeof (t))

#if defined (__SSE4_2__) && __GNUC__ >= 4
#include <vppinfra/vector_sse42.h>
#endif

#if defined (__AVX2__)
#include <vppinfra/vector_avx2.h>
#endif

#if defined (__AVX512F__)
#include <vppinfra/vector_avx512.h>
#endif

#if defined (__ALTIVEC__)
#include <vppinfra/vector_altivec.h>
#endif

#if defined (__aarch64__)
#include <vppinfra/vector_neon.h>
#endif

#if (defined(CLIB_HAVE_VEC128) || defined(CLIB_HAVE_VEC64))
#include <vppinfra/vector_funcs.h>
#endif

/* this macro generate _splat inline functions for each scalar vector type */
#ifndef CLIB_VEC128_SPLAT_DEFINED
#define _(t, s, c) \
  static_always_inline t##s##x##c			\
t##s##x##c##_splat (t##s x)				\
{							\
    t##s##x##c r;					\
    int i;						\
							\
    for (i = 0; i < c; i++)				\
      r[i] = x;						\
							\
    return r;						\
}
  foreach_vec128i foreach_vec128u
#undef _
#endif

/* *INDENT-ON* */

#endif /* included_clib_vector_h */
/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */
6' href='#n906'>906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191