src/cpu/x86/vm/vmreg_x86.inline.hpp

changeset 0
f90c822e73f8
child 6876
710a3c8b516e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/cpu/x86/vm/vmreg_x86.inline.hpp	Wed Apr 27 01:25:04 2016 +0800
     1.3 @@ -0,0 +1,89 @@
     1.4 +/*
     1.5 + * Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +#ifndef CPU_X86_VM_VMREG_X86_INLINE_HPP
    1.29 +#define CPU_X86_VM_VMREG_X86_INLINE_HPP
    1.30 +
    1.31 +inline VMReg RegisterImpl::as_VMReg() {
    1.32 +  if( this==noreg ) return VMRegImpl::Bad();
    1.33 +#ifdef AMD64
    1.34 +  return VMRegImpl::as_VMReg(encoding() << 1 );
    1.35 +#else
    1.36 +  return VMRegImpl::as_VMReg(encoding() );
    1.37 +#endif // AMD64
    1.38 +}
    1.39 +
    1.40 +inline VMReg FloatRegisterImpl::as_VMReg() {
    1.41 +  return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_gpr);
    1.42 +}
    1.43 +
    1.44 +inline VMReg XMMRegisterImpl::as_VMReg() {
    1.45 +  return VMRegImpl::as_VMReg((encoding() << 3) + ConcreteRegisterImpl::max_fpr);
    1.46 +}
    1.47 +
    1.48 +
    1.49 +inline bool VMRegImpl::is_Register() {
    1.50 +  return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr;
    1.51 +}
    1.52 +
    1.53 +inline bool VMRegImpl::is_FloatRegister() {
    1.54 +  return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr;
    1.55 +}
    1.56 +
    1.57 +inline bool VMRegImpl::is_XMMRegister() {
    1.58 +  return value() >= ConcreteRegisterImpl::max_fpr && value() < ConcreteRegisterImpl::max_xmm;
    1.59 +}
    1.60 +
    1.61 +inline Register VMRegImpl::as_Register() {
    1.62 +
    1.63 +  assert( is_Register(), "must be");
    1.64 +  // Yuk
    1.65 +#ifdef AMD64
    1.66 +  return ::as_Register(value() >> 1);
    1.67 +#else
    1.68 +  return ::as_Register(value());
    1.69 +#endif // AMD64
    1.70 +}
    1.71 +
    1.72 +inline FloatRegister VMRegImpl::as_FloatRegister() {
    1.73 +  assert( is_FloatRegister() && is_even(value()), "must be" );
    1.74 +  // Yuk
    1.75 +  return ::as_FloatRegister((value() - ConcreteRegisterImpl::max_gpr) >> 1);
    1.76 +}
    1.77 +
    1.78 +inline XMMRegister VMRegImpl::as_XMMRegister() {
    1.79 +  assert( is_XMMRegister() && is_even(value()), "must be" );
    1.80 +  // Yuk
    1.81 +  return ::as_XMMRegister((value() - ConcreteRegisterImpl::max_fpr) >> 3);
    1.82 +}
    1.83 +
    1.84 +inline   bool VMRegImpl::is_concrete() {
    1.85 +  assert(is_reg(), "must be");
    1.86 +#ifndef AMD64
    1.87 +  if (is_Register()) return true;
    1.88 +#endif // AMD64
    1.89 +  return is_even(value());
    1.90 +}
    1.91 +
    1.92 +#endif // CPU_X86_VM_VMREG_X86_INLINE_HPP

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