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