author | vlivanov |
Tue, 26 Nov 2019 16:09:21 +0300 | |
changeset 59276 | 94a84abb873b |
parent 58926 | ecb801342b8c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2016, 2019, 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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|
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#ifndef SHARE_COMPILER_COMPILERDEFINITIONS_HPP |
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#define SHARE_COMPILER_COMPILERDEFINITIONS_HPP |
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#include "memory/allocation.hpp" |
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// The (closed set) of concrete compiler classes. |
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enum CompilerType { |
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compiler_none, |
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compiler_c1, |
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compiler_c2, |
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compiler_jvmci, |
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compiler_number_of_types |
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}; |
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extern const char* compilertype2name_tab[compiler_number_of_types]; // Map CompilerType to its name |
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inline const char* compilertype2name(CompilerType t) { return (uint)t < compiler_number_of_types ? compilertype2name_tab[t] : NULL; } |
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// Handy constants for deciding which compiler mode to use. |
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enum MethodCompilation { |
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InvocationEntryBci = -1, // i.e., not a on-stack replacement compilation |
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BeforeBci = InvocationEntryBci, |
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AfterBci = -2, |
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UnwindBci = -3, |
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AfterExceptionBci = -4, |
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UnknownBci = -5, |
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InvalidFrameStateBci = -6 |
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}; |
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// Enumeration to distinguish tiers of compilation |
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enum CompLevel { |
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CompLevel_any = -2, |
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CompLevel_all = -2, |
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CompLevel_aot = -1, |
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CompLevel_none = 0, // Interpreter |
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CompLevel_simple = 1, // C1 |
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CompLevel_limited_profile = 2, // C1, invocation & backedge counters |
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CompLevel_full_profile = 3, // C1, invocation & backedge counters + mdo |
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CompLevel_full_optimization = 4 // C2 or JVMCI |
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}; |
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#ifdef TIERED |
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class CompilationModeFlag : AllStatic { |
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static bool _quick_only; |
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static bool _high_only; |
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static bool _high_only_quick_internal; |
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public: |
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static bool initialize(); |
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static bool normal() { return !quick_only() && !high_only() && !high_only_quick_internal(); } |
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static bool quick_only() { return _quick_only; } |
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static bool high_only() { return _high_only; } |
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static bool high_only_quick_internal() { return _high_only_quick_internal; } |
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static bool disable_intermediate() { return high_only() || high_only_quick_internal(); } |
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static bool quick_internal() { return !high_only(); } |
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static void set_high_only_quick_internal(bool x) { _high_only_quick_internal = x; } |
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}; |
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#endif |
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extern CompLevel CompLevel_highest_tier; |
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extern CompLevel CompLevel_initial_compile; |
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enum CompMode { |
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CompMode_none = 0, |
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CompMode_client = 1, |
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CompMode_server = 2 |
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}; |
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extern CompMode Compilation_mode; |
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inline bool is_server_compilation_mode_vm() { |
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return Compilation_mode == CompMode_server; |
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} |
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inline bool is_client_compilation_mode_vm() { |
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return Compilation_mode == CompMode_client; |
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} |
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inline bool is_c1_compile(int comp_level) { |
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return comp_level > CompLevel_none && comp_level < CompLevel_full_optimization; |
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} |
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inline bool is_c2_compile(int comp_level) { |
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return comp_level == CompLevel_full_optimization; |
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} |
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inline bool is_highest_tier_compile(int comp_level) { |
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return comp_level == CompLevel_highest_tier; |
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} |
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inline bool is_compile(int comp_level) { |
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return is_c1_compile(comp_level) || is_c2_compile(comp_level); |
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} |
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// States of Restricted Transactional Memory usage. |
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enum RTMState { |
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NoRTM = 0x2, // Don't use RTM |
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UseRTM = 0x1, // Use RTM |
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ProfileRTM = 0x0 // Use RTM with abort ratio calculation |
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}; |
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#ifndef INCLUDE_RTM_OPT |
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#define INCLUDE_RTM_OPT 0 |
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#endif |
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#if INCLUDE_RTM_OPT |
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#define RTM_OPT_ONLY(code) code |
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#else |
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#define RTM_OPT_ONLY(code) |
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#endif |
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class CompilerConfig : public AllStatic { |
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public: |
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// Scale compile thresholds |
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// Returns threshold scaled with CompileThresholdScaling |
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static intx scaled_compile_threshold(intx threshold, double scale); |
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static intx scaled_compile_threshold(intx threshold); |
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// Returns freq_log scaled with CompileThresholdScaling |
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static intx scaled_freq_log(intx freq_log, double scale); |
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static intx scaled_freq_log(intx freq_log); |
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static bool check_args_consistency(bool status); |
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static void ergo_initialize(); |
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private: |
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TIERED_ONLY(static void set_tiered_flags();) |
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}; |
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#endif // SHARE_COMPILER_COMPILERDEFINITIONS_HPP |