label.cpp

/*******************************************************************************
 * Copyright 2019 FUJITSU LIMITED
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
#include <xbyak_aarch64/xbyak_aarch64.h>
using namespace Xbyak_aarch64;
class Generator : public CodeGenerator {
public:
  Generator() {
    Label L1, L2;
    L(L1);
    add(w0, w1, w0);
    cmp(w0, 13);
    b(EQ, L2);
    sub(w1, w1, 1);
    b(L1);
    L(L2);
    ret();
  }
};
int main() {
  Generator gen;
  gen.ready();
  auto f = gen.getCode<int (*)(int, int)>();
  std::cout << f(3, 4) << std::endl;
}