1 /*
   2  * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2012, 2013 SAP AG. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
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  24  */
  25 
  26 #ifndef CPU_PPC_VM_VMREG_PPC_HPP
  27 #define CPU_PPC_VM_VMREG_PPC_HPP
  28 
  29 inline bool is_Register() {
  30   return (unsigned int)value() < (unsigned int)ConcreteRegisterImpl::max_gpr;
  31 }
  32 
  33 inline bool is_FloatRegister() {
  34   return value() >= ConcreteRegisterImpl::max_gpr &&
  35          value() < ConcreteRegisterImpl::max_fpr;
  36 }
  37 
  38 inline Register as_Register() {
  39   assert(is_Register() && is_even(value()), "even-aligned GPR name");
  40   return ::as_Register(value()>>1);
  41 }
  42 
  43 inline FloatRegister as_FloatRegister() {
  44   assert(is_FloatRegister() && is_even(value()), "must be");
  45   return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1);
  46 }
  47 
  48 inline bool is_concrete() {
  49   assert(is_reg(), "must be");
  50   return is_even(value());
  51 }
  52 
  53 #endif // CPU_PPC_VM_VMREG_PPC_HPP