1 /*
   2  * Copyright (c) 2013, Red Hat Inc.
   3  * Copyright (c) 2006, 2010, Oracle and/or its affiliates.
   4  * All rights reserved.
   5  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   6  *
   7  * This code is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License version 2 only, as
   9  * published by the Free Software Foundation.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  *
  25  */
  26 
  27 #ifndef CPU_AARCH64_VM_VMREG_AARCH64_INLINE_HPP
  28 #define CPU_AARCH64_VM_VMREG_AARCH64_INLINE_HPP
  29 
  30 inline VMReg RegisterImpl::as_VMReg() {
  31   if( this==noreg ) return VMRegImpl::Bad();
  32   return VMRegImpl::as_VMReg(encoding() << 1 );
  33 }
  34 
  35 inline VMReg FloatRegisterImpl::as_VMReg() {
  36   return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_gpr);
  37 }
  38 
  39 inline bool VMRegImpl::is_Register() {
  40   return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr;
  41 }
  42 
  43 inline bool VMRegImpl::is_FloatRegister() {
  44   return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr;
  45 }
  46 
  47 inline Register VMRegImpl::as_Register() {
  48 
  49   assert( is_Register(), "must be");
  50   // Yuk
  51   return ::as_Register(value() >> 1);
  52 }
  53 
  54 inline FloatRegister VMRegImpl::as_FloatRegister() {
  55   assert( is_FloatRegister() && is_even(value()), "must be" );
  56   // Yuk
  57   return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1);
  58 }
  59 
  60 inline   bool VMRegImpl::is_concrete() {
  61   assert(is_reg(), "must be");
  62   return is_even(value());
  63 }
  64 
  65 #endif // CPU_AARCH64_VM_VMREG_AARCH64_INLINE_HPP