/*

 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.

 * Copyright 2007 Red Hat, Inc.

 * 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.

 *

 */

#include "precompiled.hpp"

#include "asm/assembler.hpp"

#include "code/vmreg.hpp"

void VMRegImpl::set_regName() {

  int i = 0;

  Register reg = ::as_Register(0);

  for ( ; i < ConcreteRegisterImpl::max_gpr ; ) {

    regName[i++] = reg->name();

    reg = reg->successor();

  }

  FloatRegister freg = ::as_FloatRegister(0);

  for ( ; i < ConcreteRegisterImpl::max_fpr ; ) {

    regName[i++] = freg->name();

    freg = freg->successor();

  }

  assert(i == ConcreteRegisterImpl::number_of_registers, "fix this");

}

bool VMRegImpl::is_Register() {

  return value() >= 0 &&

         value() < ConcreteRegisterImpl::max_gpr;

}

bool VMRegImpl::is_FloatRegister() {

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

         value() < ConcreteRegisterImpl::max_fpr;

}

Register VMRegImpl::as_Register() {

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

  return ::as_Register(value());

}

FloatRegister VMRegImpl::as_FloatRegister() {

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

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

}