1 /*

     2  * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright (c) 2012, 2013 SAP SE. 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.

    23  *

    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