src/cpu/zero/vm/vmreg_zero.cpp

changeset 0
f90c822e73f8
child 6876
710a3c8b516e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/cpu/zero/vm/vmreg_zero.cpp	Wed Apr 27 01:25:04 2016 +0800
     1.3 @@ -0,0 +1,63 @@
     1.4 +/*
     1.5 + * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
     1.6 + * Copyright 2007 Red Hat, Inc.
     1.7 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.8 + *
     1.9 + * This code is free software; you can redistribute it and/or modify it
    1.10 + * under the terms of the GNU General Public License version 2 only, as
    1.11 + * published by the Free Software Foundation.
    1.12 + *
    1.13 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.14 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.15 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.16 + * version 2 for more details (a copy is included in the LICENSE file that
    1.17 + * accompanied this code).
    1.18 + *
    1.19 + * You should have received a copy of the GNU General Public License version
    1.20 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.21 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.22 + *
    1.23 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.24 + * or visit www.oracle.com if you need additional information or have any
    1.25 + * questions.
    1.26 + *
    1.27 + */
    1.28 +
    1.29 +#include "precompiled.hpp"
    1.30 +#include "asm/assembler.hpp"
    1.31 +#include "code/vmreg.hpp"
    1.32 +
    1.33 +void VMRegImpl::set_regName() {
    1.34 +  int i = 0;
    1.35 +  Register reg = ::as_Register(0);
    1.36 +  for ( ; i < ConcreteRegisterImpl::max_gpr ; ) {
    1.37 +    regName[i++] = reg->name();
    1.38 +    reg = reg->successor();
    1.39 +  }
    1.40 +  FloatRegister freg = ::as_FloatRegister(0);
    1.41 +  for ( ; i < ConcreteRegisterImpl::max_fpr ; ) {
    1.42 +    regName[i++] = freg->name();
    1.43 +    freg = freg->successor();
    1.44 +  }
    1.45 +  assert(i == ConcreteRegisterImpl::number_of_registers, "fix this");
    1.46 +}
    1.47 +
    1.48 +bool VMRegImpl::is_Register() {
    1.49 +  return value() >= 0 &&
    1.50 +         value() < ConcreteRegisterImpl::max_gpr;
    1.51 +}
    1.52 +
    1.53 +bool VMRegImpl::is_FloatRegister() {
    1.54 +  return value() >= ConcreteRegisterImpl::max_gpr &&
    1.55 +         value() < ConcreteRegisterImpl::max_fpr;
    1.56 +}
    1.57 +
    1.58 +Register VMRegImpl::as_Register() {
    1.59 +  assert(is_Register(), "must be");
    1.60 +  return ::as_Register(value());
    1.61 +}
    1.62 +
    1.63 +FloatRegister VMRegImpl::as_FloatRegister() {
    1.64 +  assert(is_FloatRegister(), "must be" );
    1.65 +  return ::as_FloatRegister(value() - ConcreteRegisterImpl::max_gpr);
    1.66 +}

mercurial