jdk8-mips64-public/hotspot: src/cpu/x86/vm/vmreg

6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
Reviewed-by: never

     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  */

    25 inline 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 }

    34 inline VMReg FloatRegisterImpl::as_VMReg() {

    35   return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_gpr);

    36 }

    38 inline VMReg XMMRegisterImpl::as_VMReg() {

    39   return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_fpr);

    40 }

    43 inline bool VMRegImpl::is_Register() {

    44   return (unsigned int) value() < (unsigned int) ConcreteRegisterImpl::max_gpr;

    45 }

    47 inline bool VMRegImpl::is_FloatRegister() {

    48   return value() >= ConcreteRegisterImpl::max_gpr && value() < ConcreteRegisterImpl::max_fpr;

    49 }

    51 inline bool VMRegImpl::is_XMMRegister() {

    52   return value() >= ConcreteRegisterImpl::max_fpr && value() < ConcreteRegisterImpl::max_xmm;

    53 }

    55 inline Register VMRegImpl::as_Register() {

    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 }

    66 inline 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 }

    72 inline 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 }

    78 inline   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 }

src/cpu/x86/vm/vmreg_x86.inline.hpp@d257356e35f0