157 lines
4.9 KiB
C++
157 lines
4.9 KiB
C++
/*
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* Copyright (c) 2016, 2020, 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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#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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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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bool is_c1_or_interpreter_only();
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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
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