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/*
* Copyright (c) 2015-2017, 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 "config.h"
#include "cross_compile.h"
#include "src/ue2common.h"
#include "src/hs_compile.h"
#include <sstream>
#include <string>
using namespace std;
struct XcompileMode {
const string name;
unsigned long long cpu_features;
};
static const XcompileMode xcompile_options[] = {
{ "avx512", HS_CPU_FEATURES_AVX512 },
{ "avx2", HS_CPU_FEATURES_AVX2 },
{ "base", 0 },
};
unique_ptr<hs_platform_info> xcompileReadMode(const char *s) {
hs_platform_info rv;
UNUSED hs_error_t err;
err = hs_populate_platform(&rv);
assert(!err);
string str(s);
string mode = str.substr(0, str.find(":"));
string opt = str.substr(str.find(":")+1, str.npos);
bool found_mode = false;
if (!opt.empty()) {
for (const auto &xcompile : xcompile_options) {
if (opt == xcompile.name) {
rv.cpu_features = xcompile.cpu_features;
found_mode = true;
break;
}
}
}
if (!found_mode) {
return nullptr;
} else {
DEBUG_PRINTF("cpu_features %llx\n", rv.cpu_features);
return std::make_unique<hs_platform_info>(rv);
}
}
string to_string(const hs_platform_info &p) {
ostringstream out;
if (p.tune) {
out << p.tune;
}
if (p.cpu_features) {
u64a features = p.cpu_features;
if (features & HS_CPU_FEATURES_AVX512) {
out << " avx512";
features &= ~HS_CPU_FEATURES_AVX512;
}
if (features & HS_CPU_FEATURES_AVX2) {
out << " avx2";
features &= ~HS_CPU_FEATURES_AVX2;
}
if (features) {
out << " " << "?cpu_features?:" << features;
}
}
return out.str();
}
string xcompileUsage(void) {
string variants = "Instruction set options: ";
const auto commaspace = ", ";
auto sep = "";
for (const auto &xcompile : xcompile_options) {
variants += sep + xcompile.name;
sep = commaspace;
}
return variants;
}
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