Mercurial > hg > truffle
view src/share/vm/graal/graalCompiler.cpp @ 16073:b38191cd1665
removed code to make recording usages optional for ConstantNodes (GRAAL-508)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 10 Jun 2014 18:52:20 +0200 |
parents | c1a47bf45b66 |
children | e54507c88a93 |
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/* * Copyright (c) 2011, 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. */ #include "precompiled.hpp" #include "memory/oopFactory.hpp" #include "runtime/javaCalls.hpp" #include "graal/graalCompiler.hpp" #include "graal/graalEnv.hpp" #include "graal/graalRuntime.hpp" #include "runtime/compilationPolicy.hpp" #include "runtime/globals_extension.hpp" GraalCompiler* GraalCompiler::_instance = NULL; GraalCompiler::GraalCompiler() : AbstractCompiler(graal) { #ifdef COMPILERGRAAL _bootstrapping = false; #endif assert(_instance == NULL, "only one instance allowed"); _instance = this; } // Initialization void GraalCompiler::initialize() { #ifdef COMPILERGRAAL if (!UseCompiler || !should_perform_init()) { return; } BufferBlob* buffer_blob = GraalRuntime::initialize_buffer_blob(); if (!UseGraalCompilationQueue) { // This path is used for initialization both by the native queue and the graal queue // but set_state acquires a lock which might not be safe during JVM_CreateJavaVM, so // only update the state flag for the native queue. if (buffer_blob == NULL) { set_state(failed); } else { set_state(initialized); } } { HandleMark hm; _bootstrapping = UseGraalCompilationQueue && (FLAG_IS_DEFAULT(BootstrapGraal) ? !TieredCompilation : BootstrapGraal); if (UseGraalCompilationQueue) { start_compilation_queue(); } // Graal is considered as application code so we need to // stop the VM deferring compilation now. CompilationPolicy::completed_vm_startup(); if (_bootstrapping) { // Avoid -Xcomp and -Xbatch problems by turning on interpreter and background compilation for bootstrapping. FlagSetting a(UseInterpreter, true); FlagSetting b(BackgroundCompilation, true); #ifndef PRODUCT // Turn off CompileTheWorld during bootstrap so that a counter overflow event // triggers further compilation (see NonTieredCompPolicy::event()) hence // allowing a complete bootstrap FlagSetting c(CompileTheWorld, false); #endif bootstrap(); } #ifndef PRODUCT if (CompileTheWorld) { compile_the_world(); } #endif } #endif // COMPILERGRAAL } #ifdef COMPILERGRAAL void GraalCompiler::start_compilation_queue() { JavaThread* THREAD = JavaThread::current(); HandleMark hm(THREAD); TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/CompilationQueue", THREAD); KlassHandle klass = GraalRuntime::load_required_class(name); NoGraalCompilationScheduling ngcs(THREAD); klass->initialize(THREAD); GUARANTEE_NO_PENDING_EXCEPTION("Error while calling start_compilation_queue"); } void GraalCompiler::shutdown_compilation_queue() { JavaThread* THREAD = JavaThread::current(); HandleMark hm(THREAD); TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/CompilationQueue", THREAD); KlassHandle klass = GraalRuntime::load_required_class(name); JavaValue result(T_VOID); JavaCallArguments args; JavaCalls::call_static(&result, klass, vmSymbols::shutdown_method_name(), vmSymbols::void_method_signature(), &args, THREAD); GUARANTEE_NO_PENDING_EXCEPTION("Error while calling shutdown_compilation_queue"); } void GraalCompiler::bootstrap() { JavaThread* THREAD = JavaThread::current(); TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/CompilationQueue", THREAD); KlassHandle klass = GraalRuntime::load_required_class(name); JavaValue result(T_VOID); TempNewSymbol bootstrap = SymbolTable::new_symbol("bootstrap", THREAD); NoGraalCompilationScheduling ngcs(THREAD); JavaCalls::call_static(&result, klass, bootstrap, vmSymbols::void_method_signature(), THREAD); GUARANTEE_NO_PENDING_EXCEPTION("Error while calling bootstrap"); } void GraalCompiler::compile_method(methodHandle method, int entry_bci, CompileTask* task, jboolean blocking) { GRAAL_EXCEPTION_CONTEXT bool is_osr = entry_bci != InvocationEntryBci; if (_bootstrapping && is_osr) { // no OSR compilations during bootstrap - the compiler is just too slow at this point, // and we know that there are no endless loops return; } ResourceMark rm; JavaValue result(T_VOID); JavaCallArguments args; args.push_long((jlong) (address) method()); args.push_int(entry_bci); args.push_long((jlong) (address) task); args.push_int(blocking); JavaCalls::call_static(&result, SystemDictionary::CompilationTask_klass(), vmSymbols::compileMetaspaceMethod_name(), vmSymbols::compileMetaspaceMethod_signature(), &args, THREAD); GUARANTEE_NO_PENDING_EXCEPTION("Error while calling compile_method"); } // Compilation entry point for methods void GraalCompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) { ShouldNotReachHere(); } void GraalCompiler::shutdown() { if (UseGraalCompilationQueue) { shutdown_compilation_queue(); } } // Print compilation timers and statistics void GraalCompiler::print_timers() { TRACE_graal_1("GraalCompiler::print_timers"); } #endif // COMPILERGRAAL #ifndef PRODUCT void GraalCompiler::compile_the_world() { // We turn off CompileTheWorld so that Graal can // be compiled by C1/C2 when Graal does a CTW. CompileTheWorld = false; JavaThread* THREAD = JavaThread::current(); TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/HotSpotGraalRuntime", THREAD); KlassHandle klass = GraalRuntime::load_required_class(name); TempNewSymbol compileTheWorld = SymbolTable::new_symbol("compileTheWorld", THREAD); JavaValue result(T_VOID); JavaCallArguments args; args.push_oop(GraalRuntime::get_HotSpotGraalRuntime()); JavaCalls::call_special(&result, klass, compileTheWorld, vmSymbols::void_method_signature(), &args, THREAD); GUARANTEE_NO_PENDING_EXCEPTION("Error while calling compile_the_world"); } #endif