/*

 * Copyright (c) 2016 SAP SE. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

inline bool is_Register() {

  return (unsigned int)value() < (unsigned int)ConcreteRegisterImpl::max_gpr;

}

inline bool is_FloatRegister() {

  return value() >= ConcreteRegisterImpl::max_gpr &&

         value() < ConcreteRegisterImpl::max_fpr;

}

inline Register as_Register() {

  assert(is_Register() && is_even(value()), "even-aligned GPR name");

  return ::as_Register(value() >> 1);

}

inline FloatRegister as_FloatRegister() {

  assert(is_FloatRegister() && is_even(value()), "must be");

  return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1);

}

inline bool is_concrete() {

  assert(is_reg(), "must be");

  return is_even(value());

}