FD.io VPP  v19.01.3-6-g70449b9b9
Vector Packet Processing
vector_avx512.h
Go to the documentation of this file.
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 #ifndef included_vector_avx512_h
17 #define included_vector_avx512_h
18 
19 #include <vppinfra/clib.h>
20 #include <x86intrin.h>
21 
22 /* *INDENT-OFF* */
23 #define foreach_avx512_vec512i \
24  _(i,8,64,epi8) _(i,16,32,epi16) _(i,32,16,epi32) _(i,64,8,epi64)
25 #define foreach_avx512_vec512u \
26  _(u,8,64,epi8) _(u,16,32,epi16) _(u,32,16,epi32) _(u,64,8,epi64)
27 #define foreach_avx512_vec512f \
28  _(f,32,8,ps) _(f,64,4,pd)
29 
30 /* splat, load_unaligned, store_unaligned, is_all_zero, is_equal,
31  is_all_equal, is_zero_mask */
32 #define _(t, s, c, i) \
33 static_always_inline t##s##x##c \
34 t##s##x##c##_splat (t##s x) \
35 { return (t##s##x##c) _mm512_set1_##i (x); } \
36 \
37 static_always_inline t##s##x##c \
38 t##s##x##c##_load_unaligned (void *p) \
39 { return (t##s##x##c) _mm512_loadu_si512 (p); } \
40 \
41 static_always_inline void \
42 t##s##x##c##_store_unaligned (t##s##x##c v, void *p) \
43 { _mm512_storeu_si512 ((__m512i *) p, (__m512i) v); } \
44 \
45 static_always_inline int \
46 t##s##x##c##_is_all_zero (t##s##x##c v) \
47 { return (_mm512_test_epi64_mask ((__m512i) v, (__m512i) v) == 0); } \
48 \
49 static_always_inline int \
50 t##s##x##c##_is_equal (t##s##x##c a, t##s##x##c b) \
51 { return t##s##x##c##_is_all_zero (a ^ b); } \
52 \
53 static_always_inline int \
54 t##s##x##c##_is_all_equal (t##s##x##c v, t##s x) \
55 { return t##s##x##c##_is_equal (v, t##s##x##c##_splat (x)); } \
56 \
57 static_always_inline u##c \
58 t##s##x##c##_is_zero_mask (t##s##x##c v) \
59 { return _mm512_test_##i##_mask ((__m512i) v, (__m512i) v); } \
60 
61 
63 #undef _
64 /* *INDENT-ON* */
65 
67 u16x32_msb_mask (u16x32 v)
68 {
69  return (u32) _mm512_movepi16_mask ((__m512i) v);
70 }
71 
72 #endif /* included_vector_avx512_h */
73 /*
74  * fd.io coding-style-patch-verification: ON
75  *
76  * Local Variables:
77  * eval: (c-set-style "gnu")
78  * End:
79  */
#define static_always_inline
Definition: clib.h:99
unsigned int u32
Definition: types.h:88
#define foreach_avx512_vec512i
Definition: vector_avx512.h:23
foreach_avx512_vec512i foreach_avx512_vec512u static_always_inline u32 u16x32_msb_mask(u16x32 v)
Definition: vector_avx512.h:67
#define foreach_avx512_vec512u
Definition: vector_avx512.h:25