hotspot/src/share/vm/opto/adlcVMDeps.hpp
author kvn
Thu, 29 May 2008 12:04:14 -0700
changeset 594 9f4474e5dbaf
parent 1 489c9b5090e2
child 5547 f4b087cbb361
permissions -rw-r--r--
6705887: Compressed Oops: generate x64 addressing and implicit null checks with narrow oops Summary: Generate addresses and implicit null checks with narrow oops to avoid decoding. Reviewed-by: jrose, never
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/*
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 * Copyright 1998-2003 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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// Declare commonly known constant and data structures between the
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// ADLC and the VM
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//
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class AdlcVMDeps : public AllStatic {
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 public:
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  // Mirror of TypeFunc types
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  enum { Control, I_O, Memory, FramePtr, ReturnAdr, Parms };
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  enum Cisc_Status { Not_cisc_spillable = -1 };
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  // Mirror of OptoReg::Name names
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  enum Name {
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    Physical = 0                // Start of physical regs
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  };
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  // relocInfo
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  static const char* oop_reloc_type()  { return "relocInfo::oop_type"; }
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  static const char* none_reloc_type() { return "relocInfo::none"; }
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};