1/*
2 * Copyright (c) 2017, Intel Corporation
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * * Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Intel Corporation nor the names of its contributors
13 * may be used to endorse or promote products derived from this software
14 * without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** \file
30 * \brief Per-platform architecture definitions
31 */
32
33#ifndef UTIL_ARCH_H_
34#define UTIL_ARCH_H_
35
36#if defined(__SSE2__) || defined(_M_X64) || (_M_IX86_FP >= 2)
37#define HAVE_SSE2
38#endif
39
40#if defined(__SSE4_1__) || (defined(_WIN32) && defined(__AVX__))
41#define HAVE_SSE41
42#endif
43
44#if defined(__SSE4_2__) || (defined(_WIN32) && defined(__AVX__))
45#define HAVE_SSE42
46#endif
47
48#if defined(__AVX__)
49#define HAVE_AVX
50#endif
51
52#if defined(__AVX2__)
53#define HAVE_AVX2
54#endif
55
56#if defined(__AVX512BW__)
57#define HAVE_AVX512
58#endif
59
60/*
61 * ICC and MSVC don't break out POPCNT or BMI/2 as separate pre-def macros
62 */
63#if defined(__POPCNT__) || \
64 (defined(__INTEL_COMPILER) && defined(__SSE4_2__)) || \
65 (defined(_WIN32) && defined(__AVX__))
66#define HAVE_POPCOUNT_INSTR
67#endif
68
69#if defined(__BMI__) || (defined(_WIN32) && defined(__AVX2__)) || \
70 (defined(__INTEL_COMPILER) && defined(__AVX2__))
71#define HAVE_BMI
72#endif
73
74#if defined(__BMI2__) || (defined(_WIN32) && defined(__AVX2__)) || \
75 (defined(__INTEL_COMPILER) && defined(__AVX2__))
76#define HAVE_BMI2
77#endif
78
79/*
80 * MSVC uses a different form of inline asm
81 */
82#if defined(_WIN32) && defined(_MSC_VER)
83#define NO_ASM
84#endif
85
86#endif // UTIL_ARCH_H_
87