author | neliasso |
Fri, 13 Nov 2015 13:31:48 +0100 | |
changeset 34185 | ee71c590a456 |
parent 33638 | ef49ed90010b |
parent 34165 | 66826441022f |
child 35143 | 33daaea9d5c2 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2011, 2015, 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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#include "precompiled.hpp" |
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#include "memory/oopFactory.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "runtime/javaCalls.hpp" |
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#include "runtime/handles.hpp" |
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#include "jvmci/jvmciJavaClasses.hpp" |
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#include "jvmci/jvmciCompiler.hpp" |
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#include "jvmci/jvmciEnv.hpp" |
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#include "jvmci/jvmciRuntime.hpp" |
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#include "runtime/compilationPolicy.hpp" |
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#include "runtime/globals_extension.hpp" |
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JVMCICompiler* JVMCICompiler::_instance = NULL; |
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elapsedTimer JVMCICompiler::_codeInstallTimer; |
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JVMCICompiler::JVMCICompiler() : AbstractCompiler(jvmci) { |
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_bootstrapping = false; |
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_methodsCompiled = 0; |
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assert(_instance == NULL, "only one instance allowed"); |
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_instance = this; |
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} |
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// Initialization |
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void JVMCICompiler::initialize() { |
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if (!UseCompiler || !EnableJVMCI || !UseJVMCICompiler || !should_perform_init()) { |
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return; |
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} |
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set_state(initialized); |
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// JVMCI is considered as application code so we need to |
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// stop the VM deferring compilation now. |
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CompilationPolicy::completed_vm_startup(); |
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} |
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void JVMCICompiler::bootstrap() { |
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if (Arguments::mode() == Arguments::_int) { |
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// Nothing to do in -Xint mode |
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return; |
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} |
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#ifndef PRODUCT |
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// We turn off CompileTheWorld so that compilation requests are not |
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// ignored during bootstrap or that JVMCI can be compiled by C1/C2. |
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FlagSetting ctwOff(CompileTheWorld, false); |
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#endif |
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JavaThread* THREAD = JavaThread::current(); |
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_bootstrapping = true; |
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ResourceMark rm; |
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HandleMark hm; |
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if (PrintBootstrap) { |
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tty->print("Bootstrapping JVMCI"); |
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} |
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jlong start = os::javaTimeMillis(); |
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Array<Method*>* objectMethods = SystemDictionary::Object_klass()->methods(); |
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// Initialize compile queue with a selected set of methods. |
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int len = objectMethods->length(); |
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for (int i = 0; i < len; i++) { |
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methodHandle mh = objectMethods->at(i); |
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if (!mh->is_native() && !mh->is_static() && !mh->is_initializer()) { |
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ResourceMark rm; |
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int hot_count = 10; // TODO: what's the appropriate value? |
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CompileBroker::compile_method(mh, InvocationEntryBci, CompLevel_full_optimization, mh, hot_count, "bootstrap", THREAD); |
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} |
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} |
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int qsize; |
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bool first_round = true; |
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int z = 0; |
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do { |
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// Loop until there is something in the queue. |
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do { |
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os::sleep(THREAD, 100, true); |
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qsize = CompileBroker::queue_size(CompLevel_full_optimization); |
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} while (first_round && qsize == 0); |
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first_round = false; |
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if (PrintBootstrap) { |
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while (z < (_methodsCompiled / 100)) { |
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++z; |
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tty->print_raw("."); |
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} |
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} |
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} while (qsize != 0); |
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if (PrintBootstrap) { |
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tty->print_cr(" in " JLONG_FORMAT " ms (compiled %d methods)", os::javaTimeMillis() - start, _methodsCompiled); |
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} |
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_bootstrapping = false; |
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} |
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void JVMCICompiler::compile_method(const methodHandle& method, int entry_bci, JVMCIEnv* env) { |
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JVMCI_EXCEPTION_CONTEXT |
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bool is_osr = entry_bci != InvocationEntryBci; |
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if (_bootstrapping && is_osr) { |
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// no OSR compilations during bootstrap - the compiler is just too slow at this point, |
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// and we know that there are no endless loops |
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return; |
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} |
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JVMCIRuntime::initialize_well_known_classes(CHECK_ABORT); |
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HandleMark hm; |
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ResourceMark rm; |
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Handle receiver = JVMCIRuntime::get_HotSpotJVMCIRuntime(CHECK_ABORT); |
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JavaValue method_result(T_OBJECT); |
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JavaCallArguments args; |
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args.push_long((jlong) (address) method()); |
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JavaCalls::call_static(&method_result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), |
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vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, THREAD); |
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if (!HAS_PENDING_EXCEPTION) { |
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JavaValue result(T_VOID); |
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JavaCallArguments args; |
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args.push_oop(receiver); |
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args.push_oop((oop)method_result.get_jobject()); |
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args.push_int(entry_bci); |
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args.push_long((jlong) (address) env); |
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args.push_int(env->task()->compile_id()); |
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JavaCalls::call_special(&result, receiver->klass(), |
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vmSymbols::compileMethod_name(), vmSymbols::compileMethod_signature(), &args, THREAD); |
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} |
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// An uncaught exception was thrown during compilation. Generally these |
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// should be handled by the Java code in some useful way but if they leak |
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// through to here report them instead of dying or silently ignoring them. |
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if (HAS_PENDING_EXCEPTION) { |
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Handle throwable = PENDING_EXCEPTION; |
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CLEAR_PENDING_EXCEPTION; |
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JVMCIRuntime::call_printStackTrace(throwable, THREAD); |
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if (HAS_PENDING_EXCEPTION) { |
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CLEAR_PENDING_EXCEPTION; |
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} |
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// Something went wrong so disable compilation at this level |
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method->set_not_compilable(CompLevel_full_optimization); |
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} else { |
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_methodsCompiled++; |
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} |
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} |
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// Compilation entry point for methods |
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0712796e4039
8137167: JEP165: Compiler Control: Implementation task
neliasso
parents:
33160
diff
changeset
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void JVMCICompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci, DirectiveSet* directive) { |
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ShouldNotReachHere(); |
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} |
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bool JVMCICompiler::is_trivial(Method* method) { |
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if (_bootstrapping) { |
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return false; |
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} |
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return JVMCIRuntime::treat_as_trivial(method); |
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} |
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// Print compilation timers and statistics |
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void JVMCICompiler::print_timers() { |
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print_compilation_timers(); |
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} |
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// Print compilation timers and statistics |
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void JVMCICompiler::print_compilation_timers() { |
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TRACE_jvmci_1("JVMCICompiler::print_timers"); |
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tty->print_cr(" JVMCI code install time: %6.3f s", _codeInstallTimer.seconds()); |
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} |