vmreg_x86.inline.hpp revision 1472:c18cbe5936b8
1/* 2 * Copyright (c) 2006, 2007, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25inline VMReg RegisterImpl::as_VMReg() { 26 if( this==noreg ) return VMRegImpl::Bad(); 27#ifdef AMD64 28 return VMRegImpl::as_VMReg(encoding() << 1 ); 29#else 30 return VMRegImpl::as_VMReg(encoding() ); 31#endif // AMD64 32} 33 34inline VMReg FloatRegisterImpl::as_VMReg() { 35 return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_gpr); 36} 37 38inline VMReg XMMRegisterImpl::as_VMReg() { 39 return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_fpr); 40} 41 42 43inline bool VMRegImpl::is_Register() { 44 return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr; 45} 46 47inline bool VMRegImpl::is_FloatRegister() { 48 return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr; 49} 50 51inline bool VMRegImpl::is_XMMRegister() { 52 return value() >= ConcreteRegisterImpl::max_fpr && value() < ConcreteRegisterImpl::max_xmm; 53} 54 55inline Register VMRegImpl::as_Register() { 56 57 assert( is_Register(), "must be"); 58 // Yuk 59#ifdef AMD64 60 return ::as_Register(value() >> 1); 61#else 62 return ::as_Register(value()); 63#endif // AMD64 64} 65 66inline FloatRegister VMRegImpl::as_FloatRegister() { 67 assert( is_FloatRegister() && is_even(value()), "must be" ); 68 // Yuk 69 return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1); 70} 71 72inline XMMRegister VMRegImpl::as_XMMRegister() { 73 assert( is_XMMRegister() && is_even(value()), "must be" ); 74 // Yuk 75 return ::as_XMMRegister((value() - ConcreteRegisterImpl::max_fpr) >> 1); 76} 77 78inline bool VMRegImpl::is_concrete() { 79 assert(is_reg(), "must be"); 80#ifndef AMD64 81 if (is_Register()) return true; 82#endif // AMD64 83 return is_even(value()); 84} 85