1 /* 2 * Copyright (c) 2006, 2012, 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 25 #ifndef CPU_X86_VM_VMREG_X86_INLINE_HPP 26 #define CPU_X86_VM_VMREG_X86_INLINE_HPP 27 28 inline VMReg RegisterImpl::as_VMReg() { 29 if( this==noreg ) return VMRegImpl::Bad(); 30 #ifdef AMD64 31 return VMRegImpl::as_VMReg(encoding() << 1 ); 32 #else 33 return VMRegImpl::as_VMReg(encoding() ); 34 #endif // AMD64 35 } 36 37 inline VMReg FloatRegisterImpl::as_VMReg() { 38 return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_gpr); 39 } 40 41 inline VMReg XMMRegisterImpl::as_VMReg() { 42 return VMRegImpl::as_VMReg((encoding() << 3) + ConcreteRegisterImpl::max_fpr); 43 } 44 45 46 inline bool VMRegImpl::is_Register() { 47 return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr; 48 } 49 50 inline bool VMRegImpl::is_FloatRegister() { 51 return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr; 52 } 53 54 inline bool VMRegImpl::is_XMMRegister() { 55 return value() >= ConcreteRegisterImpl::max_fpr && value() < ConcreteRegisterImpl::max_xmm; 56 } 57 58 inline Register VMRegImpl::as_Register() { 59 60 assert( is_Register(), "must be"); 61 // Yuk 62 #ifdef AMD64 63 return ::as_Register(value() >> 1); 64 #else 65 return ::as_Register(value()); 66 #endif // AMD64 67 } 68 69 inline FloatRegister VMRegImpl::as_FloatRegister() { 70 assert( is_FloatRegister() && is_even(value()), "must be" ); 71 // Yuk 72 return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1); 73 } 74 75 inline XMMRegister VMRegImpl::as_XMMRegister() { 76 assert( is_XMMRegister() && is_even(value()), "must be" ); 77 // Yuk 78 return ::as_XMMRegister((value() - ConcreteRegisterImpl::max_fpr) >> 3); 79 } 80 81 inline bool VMRegImpl::is_concrete() { 82 assert(is_reg(), "must be"); 83 #ifndef AMD64 84 if (is_Register()) return true; 85 #endif // AMD64 86 return is_even(value()); 87 } 88 89 #endif // CPU_X86_VM_VMREG_X86_INLINE_HPP