hotspot/src/cpu/x86/vm/cppInterpreterGenerator_x86.hpp
author ysr
Tue, 10 Aug 2010 14:53:35 -0700
changeset 6253 228a0240f71e
parent 5547 f4b087cbb361
child 7397 5b173b4ca846
permissions -rw-r--r--
6973570: OrderAccess::storestore() scales poorly on multi-socket x64 and sparc: cache-line ping-ponging Summary: volatile store to static variable removed in favour of a volatile store to stack to avoid excessive cache coherency traffic; verified that the volatile store is not elided by any of our current compilers. Reviewed-by: dholmes, dice, jcoomes, kvn
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/*
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 * Copyright (c) 1997, 2007, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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 protected:
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#if 0
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  address generate_asm_interpreter_entry(bool synchronized);
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  address generate_native_entry(bool synchronized);
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  address generate_abstract_entry(void);
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  address generate_math_entry(AbstractInterpreter::MethodKind kind);
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  address generate_empty_entry(void);
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  address generate_accessor_entry(void);
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  void lock_method(void);
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  void generate_stack_overflow_check(void);
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  void generate_counter_incr(Label* overflow, Label* profile_method, Label* profile_method_continue);
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  void generate_counter_overflow(Label* do_continue);
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#endif
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  void generate_more_monitors();
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  void generate_deopt_handling();
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  address generate_interpreter_frame_manager(bool synchronized); // C++ interpreter only
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  void generate_compute_interpreter_state(const Register state,
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                                          const Register prev_state,
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                                          const Register sender_sp,
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                                          bool native); // C++ interpreter only