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[SPARC] Emit compareAndSwap for AtomicInteger and AtomicLong, Removing o7 register from usable ones, as this register is always overwritten, when using Call or JumpAndLink instructions in SPARC, even callee does not overwrite explicitly, implicit exception is defined when doing integer division, parameter constraint narrowed to only register on Unary2Op, Fix SPARCTestOp, as it did a compare instead of an and with condition codes
author Stefan Anzinger <stefan.anzinger@gmail.com>
date Tue, 15 Jul 2014 19:07:29 -0700
parents 4ca6dc0799b6
children 89152779163c
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/*
 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
 * Copyright 2007, 2008, 2010 Red Hat, Inc.
 * 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#ifndef OS_CPU_BSD_ZERO_VM_GLOBALS_BSD_ZERO_HPP
#define OS_CPU_BSD_ZERO_VM_GLOBALS_BSD_ZERO_HPP

//
// Set the default values for platform dependent flags used by the
// runtime system.  See globals.hpp for details of what they do.
//

define_pd_global(bool,  DontYieldALot,           false);
define_pd_global(intx,  ThreadStackSize,         1536);
#ifdef _LP64
define_pd_global(intx,  VMThreadStackSize,       1024);
#else
define_pd_global(intx,  VMThreadStackSize,       512);
#endif // _LP64
define_pd_global(intx,  CompilerThreadStackSize, 0);
define_pd_global(uintx, JVMInvokeMethodSlack,    8192);

// Used on 64 bit platforms for UseCompressedOops base address
define_pd_global(uintx, HeapBaseMinAddress,      2*G);

#endif // OS_CPU_BSD_ZERO_VM_GLOBALS_BSD_ZERO_HPP