view src/cpu/s390/vm/vmreg_s390.inline.hpp @ 12547:0c6ed760800c

8172049: [s390] Implement "JEP 270: Reserved Stack Areas for Critical Sections". Reviewed-by: mdoerr
author goetz
date Tue, 27 Dec 2016 16:10:59 +0100
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/*
 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
 * Copyright (c) 2016 SAP SE. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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#ifndef CPU_S390_VM_VMREG_S390_INLINE_HPP
#define CPU_S390_VM_VMREG_S390_INLINE_HPP

inline VMReg RegisterImpl::as_VMReg() {
  if (this == noreg) {
    return VMRegImpl::Bad();
  }
  return VMRegImpl::as_VMReg(encoding() << 1);
}

inline VMReg FloatRegisterImpl::as_VMReg() {
  return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_gpr);
}

inline VMReg ConditionRegisterImpl::as_VMReg() {
  return VMRegImpl::as_VMReg((encoding() << 1) + ConcreteRegisterImpl::max_fpr);
}

#endif // CPU_S390_VM_VMREG_S390_INLINE_HPP