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// Copyright 2020, VIXL authors
// All rights reserved.
//
// 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 ARM Limited 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 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 "examples.h"
using namespace vixl;
using namespace vixl::aarch64;
// Demonstrate the use of VIXL's CPU feature detection, printing the features
// that VIXL detects.
#ifndef TEST_EXAMPLES
int main() {
// Simple native deployments should initialise CPU features using
// `InferFromOS()`. If not on an AArch64 host, this returns nothing.
std::cout << "==== CPUFeatures::InferFromOS() ====\n";
std::cout << CPUFeatures::InferFromOS() << "\n";
// VIXL assumes support for FP, NEON and CRC32 by default. These features were
// implemented before the CPUFeatures mechanism.
std::cout << "==== CPUFeatures::AArch64LegacyBaseline() ====\n";
std::cout << CPUFeatures::AArch64LegacyBaseline() << "\n";
// Retrieve a list of all supported CPU features.
std::cout << "==== CPUFeatures::All() ====\n";
std::cout << CPUFeatures::All() << "\n";
return 0;
}
#endif
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