duke@435: /*
trims@1907:  * Copyright (c) 2006, 2007, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: inline VMReg RegisterImpl::as_VMReg() {
duke@435:   if( this==noreg ) return VMRegImpl::Bad();
duke@435:   return VMRegImpl::as_VMReg(encoding() << 1 );
duke@435: }
duke@435: 
duke@435: inline VMReg FloatRegisterImpl::as_VMReg() { return VMRegImpl::as_VMReg( ConcreteRegisterImpl::max_gpr + encoding() ); }
duke@435: 
duke@435: 
duke@435: inline bool VMRegImpl::is_Register() { return value() >= 0 && value() < ConcreteRegisterImpl::max_gpr; }
duke@435: inline bool VMRegImpl::is_FloatRegister() { return value() >= ConcreteRegisterImpl::max_gpr &&
duke@435:                                                    value() < ConcreteRegisterImpl::max_fpr; }
duke@435: inline Register VMRegImpl::as_Register() {
duke@435: 
duke@435:   assert( is_Register() && is_even(value()), "even-aligned GPR name" );
duke@435:   // Yuk
duke@435:   return ::as_Register(value()>>1);
duke@435: }
duke@435: 
duke@435: inline FloatRegister VMRegImpl::as_FloatRegister() {
duke@435:   assert( is_FloatRegister(), "must be" );
duke@435:   // Yuk
duke@435:   return ::as_FloatRegister( value() - ConcreteRegisterImpl::max_gpr );
duke@435: }
duke@435: 
duke@435: inline   bool VMRegImpl::is_concrete() {
duke@435:   assert(is_reg(), "must be");
duke@435:   int v = value();
duke@435:   if ( v  <  ConcreteRegisterImpl::max_gpr ) {
duke@435:     return is_even(v);
duke@435:   }
duke@435:   // F0..F31
duke@435:   if ( v <= ConcreteRegisterImpl::max_gpr + 31) return true;
duke@435:   if ( v <  ConcreteRegisterImpl::max_fpr) {
duke@435:     return is_even(v);
duke@435:   }
duke@435:   assert(false, "what register?");
duke@435:   return false;
duke@435: }