You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
2.4 KiB
54 lines
2.4 KiB
// 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
|