| /* |
| * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef CPU_X86_VM_VMREG_X86_HPP |
| #define CPU_X86_VM_VMREG_X86_HPP |
| |
| |
| |
| inline bool is_Register() { |
| return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr; |
| } |
| |
| inline bool is_FloatRegister() { |
| return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr; |
| } |
| |
| inline bool is_XMMRegister() { |
| int uarch_max_xmm = ConcreteRegisterImpl::max_xmm; |
| |
| #ifdef _LP64 |
| if (UseAVX < 3) { |
| int half_xmm = (XMMRegisterImpl::max_slots_per_register * XMMRegisterImpl::number_of_registers) / 2; |
| uarch_max_xmm -= half_xmm; |
| } |
| #endif |
| |
| return (value() >= ConcreteRegisterImpl::max_fpr && value() < uarch_max_xmm); |
| } |
| |
| inline bool is_KRegister() { |
| if (UseAVX > 2) { |
| return value() >= ConcreteRegisterImpl::max_xmm && value() < ConcreteRegisterImpl::max_kpr; |
| } else { |
| return false; |
| } |
| } |
| |
| inline Register as_Register() { |
| |
| assert( is_Register(), "must be"); |
| // Yuk |
| #ifdef AMD64 |
| return ::as_Register(value() >> 1); |
| #else |
| return ::as_Register(value()); |
| #endif // AMD64 |
| } |
| |
| inline FloatRegister as_FloatRegister() { |
| assert( is_FloatRegister() && is_even(value()), "must be" ); |
| // Yuk |
| return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1); |
| } |
| |
| inline XMMRegister as_XMMRegister() { |
| assert( is_XMMRegister() && is_even(value()), "must be" ); |
| // Yuk |
| return ::as_XMMRegister((value() - ConcreteRegisterImpl::max_fpr) >> 4); |
| } |
| |
| inline KRegister as_KRegister() { |
| assert(is_KRegister(), "must be"); |
| // Yuk |
| return ::as_KRegister((value() - ConcreteRegisterImpl::max_xmm)); |
| } |
| |
| inline bool is_concrete() { |
| assert(is_reg(), "must be"); |
| #ifndef AMD64 |
| if (is_Register()) return true; |
| #endif // AMD64 |
| return is_even(value()); |
| } |
| |
| #endif // CPU_X86_VM_VMREG_X86_HPP |