have_sse.h
Go to the documentation of this file.
1 // Copyright 2018 The Abseil Authors.
2 //
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 // https://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 // Shared config probing for SSE instructions used in Swiss tables.
16 #ifndef ABSL_CONTAINER_INTERNAL_HAVE_SSE_H_
17 #define ABSL_CONTAINER_INTERNAL_HAVE_SSE_H_
18 
19 #ifndef SWISSTABLE_HAVE_SSE2
20 #if defined(__SSE2__) || \
21  (defined(_MSC_VER) && \
22  (defined(_M_X64) || (defined(_M_IX86) && _M_IX86_FP >= 2)))
23 #define SWISSTABLE_HAVE_SSE2 1
24 #else
25 #define SWISSTABLE_HAVE_SSE2 0
26 #endif
27 #endif
28 
29 #ifndef SWISSTABLE_HAVE_SSSE3
30 #ifdef __SSSE3__
31 #define SWISSTABLE_HAVE_SSSE3 1
32 #else
33 #define SWISSTABLE_HAVE_SSSE3 0
34 #endif
35 #endif
36 
37 #if SWISSTABLE_HAVE_SSSE3 && !SWISSTABLE_HAVE_SSE2
38 #error "Bad configuration!"
39 #endif
40 
41 #if SWISSTABLE_HAVE_SSE2
42 #include <emmintrin.h>
43 #endif
44 
45 #if SWISSTABLE_HAVE_SSSE3
46 #include <tmmintrin.h>
47 #endif
48 
49 #endif // ABSL_CONTAINER_INTERNAL_HAVE_SSE_H_


abseil_cpp
Author(s):
autogenerated on Wed Jun 19 2019 19:19:56