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

6953477: Increase portability and flexibility of building Hotspot
Summary: A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.
Reviewed-by: phh, never, coleenp, dholmes

     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   return VMRegImpl::as_VMReg(encoding() << 1 );

    28 }

    30 inline VMReg FloatRegisterImpl::as_VMReg() { return VMRegImpl::as_VMReg( ConcreteRegisterImpl::max_gpr + encoding() ); }

    33 inline bool VMRegImpl::is_Register() { return value() >= 0 && value() < ConcreteRegisterImpl::max_gpr; }

    34 inline bool VMRegImpl::is_FloatRegister() { return value() >= ConcreteRegisterImpl::max_gpr &&

    35                                                    value() < ConcreteRegisterImpl::max_fpr; }

    36 inline Register VMRegImpl::as_Register() {

    38   assert( is_Register() && is_even(value()), "even-aligned GPR name" );

    39   // Yuk

    40   return ::as_Register(value()>>1);

    41 }

    43 inline FloatRegister VMRegImpl::as_FloatRegister() {

    44   assert( is_FloatRegister(), "must be" );

    45   // Yuk

    46   return ::as_FloatRegister( value() - ConcreteRegisterImpl::max_gpr );

    47 }

    49 inline   bool VMRegImpl::is_concrete() {

    50   assert(is_reg(), "must be");

    51   int v = value();

    52   if ( v  <  ConcreteRegisterImpl::max_gpr ) {

    53     return is_even(v);

    54   }

    55   // F0..F31

    56   if ( v <= ConcreteRegisterImpl::max_gpr + 31) return true;

    57   if ( v <  ConcreteRegisterImpl::max_fpr) {

    58     return is_even(v);

    59   }

    60   assert(false, "what register?");

    61   return false;

    62 }

src/cpu/sparc/vm/vmreg_sparc.inline.hpp@126ea7725993

src/cpu/sparc/vm/vmreg_sparc.inline.hpp

Mercurial > jdk8-mips64-public > hotspot / file revision

src/cpu/sparc/vm/vmreg_sparc.inline.hpp@126ea7725993

src/cpu/sparc/vm/vmreg_sparc.inline.hpp