| /* |
| * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved. |
| * 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 SHARE_VM_COMPILER_COMPILERDEFINITIONS_HPP |
| #define SHARE_VM_COMPILER_COMPILERDEFINITIONS_HPP |
| |
| #include "memory/allocation.hpp" |
| |
| // The (closed set) of concrete compiler classes. |
| enum CompilerType { |
| compiler_none, |
| compiler_c1, |
| compiler_c2, |
| compiler_jvmci, |
| compiler_number_of_types |
| }; |
| |
| extern const char* compilertype2name_tab[compiler_number_of_types]; // Map CompilerType to its name |
| inline const char* compilertype2name(CompilerType t) { return (uint)t < compiler_number_of_types ? compilertype2name_tab[t] : NULL; } |
| |
| // Handy constants for deciding which compiler mode to use. |
| enum MethodCompilation { |
| InvocationEntryBci = -1, // i.e., not a on-stack replacement compilation |
| BeforeBci = InvocationEntryBci, |
| AfterBci = -2, |
| UnwindBci = -3, |
| AfterExceptionBci = -4, |
| UnknownBci = -5, |
| InvalidFrameStateBci = -6 |
| }; |
| |
| // Enumeration to distinguish tiers of compilation |
| enum CompLevel { |
| CompLevel_any = -2, |
| CompLevel_all = -2, |
| CompLevel_aot = -1, |
| CompLevel_none = 0, // Interpreter |
| CompLevel_simple = 1, // C1 |
| CompLevel_limited_profile = 2, // C1, invocation & backedge counters |
| CompLevel_full_profile = 3, // C1, invocation & backedge counters + mdo |
| CompLevel_full_optimization = 4 // C2 or JVMCI |
| }; |
| |
| extern CompLevel CompLevel_highest_tier; |
| extern CompLevel CompLevel_initial_compile; |
| |
| enum CompMode { |
| CompMode_none = 0, |
| CompMode_client = 1, |
| CompMode_server = 2 |
| }; |
| |
| extern CompMode Compilation_mode; |
| |
| inline bool is_server_compilation_mode_vm() { |
| return Compilation_mode == CompMode_server; |
| } |
| |
| inline bool is_client_compilation_mode_vm() { |
| return Compilation_mode == CompMode_client; |
| } |
| |
| inline bool is_c1_compile(int comp_level) { |
| return comp_level > CompLevel_none && comp_level < CompLevel_full_optimization; |
| } |
| |
| inline bool is_c2_compile(int comp_level) { |
| return comp_level == CompLevel_full_optimization; |
| } |
| |
| inline bool is_highest_tier_compile(int comp_level) { |
| return comp_level == CompLevel_highest_tier; |
| } |
| |
| inline bool is_compile(int comp_level) { |
| return is_c1_compile(comp_level) || is_c2_compile(comp_level); |
| } |
| |
| // States of Restricted Transactional Memory usage. |
| enum RTMState { |
| NoRTM = 0x2, // Don't use RTM |
| UseRTM = 0x1, // Use RTM |
| ProfileRTM = 0x0 // Use RTM with abort ratio calculation |
| }; |
| |
| #ifndef INCLUDE_RTM_OPT |
| #define INCLUDE_RTM_OPT 0 |
| #endif |
| #if INCLUDE_RTM_OPT |
| #define RTM_OPT_ONLY(code) code |
| #else |
| #define RTM_OPT_ONLY(code) |
| #endif |
| |
| class CompilerConfig : public AllStatic { |
| public: |
| // Scale compile thresholds |
| // Returns threshold scaled with CompileThresholdScaling |
| static intx scaled_compile_threshold(intx threshold, double scale); |
| static intx scaled_compile_threshold(intx threshold); |
| |
| // Returns freq_log scaled with CompileThresholdScaling |
| static intx scaled_freq_log(intx freq_log, double scale); |
| static intx scaled_freq_log(intx freq_log); |
| |
| static bool check_args_consistency(bool status); |
| |
| static void ergo_initialize(); |
| |
| private: |
| static void set_tiered_flags(); |
| }; |
| |
| #endif // SHARE_VM_COMPILER_COMPILERDEFINITIONS_HPP |