src/cpu/zero/vm/vmreg_zero.cpp

Wed, 22 Jan 2014 17:42:23 -0800

author
kvn
date
Wed, 22 Jan 2014 17:42:23 -0800
changeset 6503
a9becfeecd1b
parent 2314
f95d63e2154a
child 6876
710a3c8b516e
permissions
-rw-r--r--

Merge

     1 /*
     2  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
     3  * Copyright 2007 Red Hat, Inc.
     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     5  *
     6  * This code is free software; you can redistribute it and/or modify it
     7  * under the terms of the GNU General Public License version 2 only, as
     8  * published by the Free Software Foundation.
     9  *
    10  * This code is distributed in the hope that it will be useful, but WITHOUT
    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    13  * version 2 for more details (a copy is included in the LICENSE file that
    14  * accompanied this code).
    15  *
    16  * You should have received a copy of the GNU General Public License version
    17  * 2 along with this work; if not, write to the Free Software Foundation,
    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    19  *
    20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    21  * or visit www.oracle.com if you need additional information or have any
    22  * questions.
    23  *
    24  */
    26 #include "precompiled.hpp"
    27 #include "asm/assembler.hpp"
    28 #include "code/vmreg.hpp"
    30 void VMRegImpl::set_regName() {
    31   int i = 0;
    32   Register reg = ::as_Register(0);
    33   for ( ; i < ConcreteRegisterImpl::max_gpr ; ) {
    34     regName[i++] = reg->name();
    35     reg = reg->successor();
    36   }
    37   FloatRegister freg = ::as_FloatRegister(0);
    38   for ( ; i < ConcreteRegisterImpl::max_fpr ; ) {
    39     regName[i++] = freg->name();
    40     freg = freg->successor();
    41   }
    42   assert(i == ConcreteRegisterImpl::number_of_registers, "fix this");
    43 }
    45 bool VMRegImpl::is_Register() {
    46   return value() >= 0 &&
    47          value() < ConcreteRegisterImpl::max_gpr;
    48 }
    50 bool VMRegImpl::is_FloatRegister() {
    51   return value() >= ConcreteRegisterImpl::max_gpr &&
    52          value() < ConcreteRegisterImpl::max_fpr;
    53 }
    55 Register VMRegImpl::as_Register() {
    56   assert(is_Register(), "must be");
    57   return ::as_Register(value());
    58 }
    60 FloatRegister VMRegImpl::as_FloatRegister() {
    61   assert(is_FloatRegister(), "must be" );
    62   return ::as_FloatRegister(value() - ConcreteRegisterImpl::max_gpr);
    63 }

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