1/*
2 * Copyright (c) 2015-2017, 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
30#include "hs_compile.h" // for various hs_platform_info flags
31#include "target_info.h"
32#include "util/cpuid_flags.h"
33
34namespace ue2 {
35
36target_t get_current_target(void) {
37 hs_platform_info p;
38 p.cpu_features = cpuid_flags();
39 p.tune = cpuid_tune();
40
41 return target_t(p);
42}
43
44bool target_t::can_run_on_code_built_for(const target_t &code_target) const {
45 if (!has_avx2() && code_target.has_avx2()) {
46 return false;
47 }
48
49 if (!has_avx512() && code_target.has_avx512()) {
50 return false;
51 }
52
53 return true;
54}
55
56target_t::target_t(const hs_platform_info &p)
57 : tune(p.tune), cpu_features(p.cpu_features) {}
58
59bool target_t::has_avx2(void) const {
60 return cpu_features & HS_CPU_FEATURES_AVX2;
61}
62
63bool target_t::has_avx512(void) const {
64 return cpu_features & HS_CPU_FEATURES_AVX512;
65}
66
67bool target_t::is_atom_class(void) const {
68 return tune == HS_TUNE_FAMILY_SLM || tune == HS_TUNE_FAMILY_GLM;
69}
70
71} // namespace ue2
72