148 lines
5.0 KiB
C++
148 lines
5.0 KiB
C++
/*
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* Copyright (c) 2011, 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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#include "precompiled.hpp"
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#include "compiler/compileBroker.hpp"
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#include "classfile/moduleEntry.hpp"
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#include "jvmci/jvmciEnv.hpp"
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#include "jvmci/jvmciRuntime.hpp"
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#include "runtime/handles.inline.hpp"
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JVMCICompiler* JVMCICompiler::_instance = NULL;
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elapsedTimer JVMCICompiler::_codeInstallTimer;
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JVMCICompiler::JVMCICompiler() : AbstractCompiler(compiler_jvmci) {
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_bootstrapping = false;
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_bootstrap_compilation_request_handled = false;
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_methods_compiled = 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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}
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void JVMCICompiler::bootstrap(TRAPS) {
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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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_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, CompileTask::Reason_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 (!_bootstrap_compilation_request_handled && first_round && qsize == 0);
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first_round = false;
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if (PrintBootstrap) {
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while (z < (_methods_compiled / 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, _methods_compiled);
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}
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_bootstrapping = false;
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JVMCI::compiler_runtime()->bootstrap_finished(CHECK);
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}
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bool JVMCICompiler::force_comp_at_level_simple(Method *method) {
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if (UseJVMCINativeLibrary) {
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// This mechanism exists to force compilation of a JVMCI compiler by C1
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// to reduces the compilation time spent on the JVMCI compiler itself. In
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// +UseJVMCINativeLibrary mode, the JVMCI compiler is AOT compiled.
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return false;
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}
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if (_bootstrapping) {
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// When bootstrapping, the JVMCI compiler can compile its own methods.
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return false;
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}
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JVMCIRuntime* runtime = JVMCI::compiler_runtime();
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if (runtime != NULL && runtime->is_HotSpotJVMCIRuntime_initialized()) {
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JavaThread* thread = JavaThread::current();
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HandleMark hm(thread);
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THREAD_JVMCIENV(thread);
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JVMCIObject receiver = runtime->get_HotSpotJVMCIRuntime(JVMCIENV);
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objArrayHandle excludeModules(thread, HotSpotJVMCI::HotSpotJVMCIRuntime::excludeFromJVMCICompilation(JVMCIENV, HotSpotJVMCI::resolve(receiver)));
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if (excludeModules.not_null()) {
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ModuleEntry* moduleEntry = method->method_holder()->module();
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for (int i = 0; i < excludeModules->length(); i++) {
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if (oopDesc::equals(excludeModules->obj_at(i), moduleEntry->module())) {
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return true;
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}
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}
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}
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}
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return false;
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}
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// Compilation entry point for methods
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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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// 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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}
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