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https://github.com/VectorCamp/vectorscan.git
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83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
/*
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* Copyright (c) 2015-2020, Intel Corporation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "hs_compile.h" // for various hs_platform_info flags
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#include "target_info.h"
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#include "util/arch/common/cpuid_flags.h"
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#if defined(ARCH_IA32) || defined(ARCH_X86_64)
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#elif defined(ARCH_ARM32) || defined(ARCH_AARCH64)
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#endif
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namespace ue2 {
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target_t get_current_target(void) {
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hs_platform_info p;
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p.cpu_features = cpuid_flags();
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p.tune = cpuid_tune();
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return target_t(p);
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}
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bool target_t::can_run_on_code_built_for(const target_t &code_target) const {
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if (!has_avx2() && code_target.has_avx2()) {
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return false;
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}
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if (!has_avx512() && code_target.has_avx512()) {
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return false;
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}
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if (!has_avx512vbmi() && code_target.has_avx512vbmi()) {
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return false;
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}
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return true;
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}
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target_t::target_t(const hs_platform_info &p)
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: tune(p.tune), cpu_features(p.cpu_features) {}
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bool target_t::has_avx2(void) const {
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return cpu_features & HS_CPU_FEATURES_AVX2;
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}
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bool target_t::has_avx512(void) const {
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return cpu_features & HS_CPU_FEATURES_AVX512;
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}
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bool target_t::has_avx512vbmi(void) const {
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return cpu_features & HS_CPU_FEATURES_AVX512VBMI;
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}
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bool target_t::is_atom_class(void) const {
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return tune == HS_TUNE_FAMILY_SLM || tune == HS_TUNE_FAMILY_GLM;
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}
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} // namespace ue2
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