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. 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