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 Register::as_VMReg() const { 29 if (encoding() == noreg.encoding()) { 30 return VMRegImpl::Bad(); 31 } 32 #ifdef AMD64 33 return VMRegImpl::as_VMReg(encoding() << 1 ); 34 #else 35 return VMRegImpl::as_VMReg(encoding() ); 36 #endif // AMD64 37 } 38 39 inline VMReg FloatRegister::as_VMReg() const { 40 return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_gpr); 41 } 42 43 inline VMReg XMMRegister::as_VMReg() const { 44 return VMRegImpl::as_VMReg((encoding() << 3) + ConcreteRegisterImpl::max_fpr); 45 } 46 47 48 inline bool VMRegImpl::is_Register() { 49 return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr; 50 } 51 52 inline bool VMRegImpl::is_FloatRegister() { 53 return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr; 54 } 55 56 inline bool VMRegImpl::is_XMMRegister() { 57 return value() >= ConcreteRegisterImpl::max_fpr && value() < ConcreteRegisterImpl::max_xmm; 58 } 59 60 inline Register VMRegImpl::as_Register() { 61 62 assert( is_Register(), "must be"); 63 // Yuk 64 #ifdef AMD64 65 return ::as_Register(value() >> 1); 66 #else 67 return ::as_Register(value()); 68 #endif // AMD64 69 } 70 71 inline FloatRegister VMRegImpl::as_FloatRegister() { 72 assert( is_FloatRegister() && is_even(value()), "must be" ); 73 // Yuk 74 return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1); 75 } 76 77 inline XMMRegister VMRegImpl::as_XMMRegister() { 78 assert( is_XMMRegister() && is_even(value()), "must be" ); 79 // Yuk 80 return ::as_XMMRegister((value() - ConcreteRegisterImpl::max_fpr) >> 3); 81 } 82 83 inline bool VMRegImpl::is_concrete() { 84 assert(is_reg(), "must be"); 85 #ifndef AMD64 86 if (is_Register()) return true; 87 #endif // AMD64 88 return is_even(value()); 89 } 90 91 #endif // CPU_X86_VM_VMREG_X86_INLINE_HPP