--- a/src/hotspot/share/runtime/simpleThresholdPolicy.inline.hpp Thu Aug 09 22:51:48 2018 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,108 +0,0 @@
-/*
- * Copyright (c) 2001, 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_RUNTIME_SIMPLETHRESHOLDPOLICY_INLINE_HPP
-#define SHARE_VM_RUNTIME_SIMPLETHRESHOLDPOLICY_INLINE_HPP
-
-#include "compiler/compilerOracle.hpp"
-#include "oops/method.inline.hpp"
-
-#ifdef TIERED
-
-template<CompLevel level>
-bool SimpleThresholdPolicy::call_predicate_helper(int i, int b, double scale, Method* method) {
- double threshold_scaling;
- if (CompilerOracle::has_option_value(method, "CompileThresholdScaling", threshold_scaling)) {
- scale *= threshold_scaling;
- }
- switch(level) {
- case CompLevel_aot:
- return (i >= Tier3AOTInvocationThreshold * scale) ||
- (i >= Tier3AOTMinInvocationThreshold * scale && i + b >= Tier3AOTCompileThreshold * scale);
- case CompLevel_none:
- case CompLevel_limited_profile:
- return (i >= Tier3InvocationThreshold * scale) ||
- (i >= Tier3MinInvocationThreshold * scale && i + b >= Tier3CompileThreshold * scale);
- case CompLevel_full_profile:
- return (i >= Tier4InvocationThreshold * scale) ||
- (i >= Tier4MinInvocationThreshold * scale && i + b >= Tier4CompileThreshold * scale);
- }
- return true;
-}
-
-template<CompLevel level>
-bool SimpleThresholdPolicy::loop_predicate_helper(int i, int b, double scale, Method* method) {
- double threshold_scaling;
- if (CompilerOracle::has_option_value(method, "CompileThresholdScaling", threshold_scaling)) {
- scale *= threshold_scaling;
- }
- switch(level) {
- case CompLevel_aot:
- return b >= Tier3AOTBackEdgeThreshold * scale;
- case CompLevel_none:
- case CompLevel_limited_profile:
- return b >= Tier3BackEdgeThreshold * scale;
- case CompLevel_full_profile:
- return b >= Tier4BackEdgeThreshold * scale;
- }
- return true;
-}
-
-// Simple methods are as good being compiled with C1 as C2.
-// Determine if a given method is such a case.
-bool SimpleThresholdPolicy::is_trivial(Method* method) {
- if (method->is_accessor() ||
- method->is_constant_getter()) {
- return true;
- }
-#if INCLUDE_JVMCI
- if (UseJVMCICompiler) {
- AbstractCompiler* comp = CompileBroker::compiler(CompLevel_full_optimization);
- if (TieredCompilation && comp != NULL && comp->is_trivial(method)) {
- return true;
- }
- }
-#endif
- if (method->has_loops() || method->code_size() >= 15) {
- return false;
- }
- MethodData* mdo = method->method_data();
- if (mdo != NULL && !mdo->would_profile() &&
- (method->code_size() < 5 || (mdo->num_blocks() < 4))) {
- return true;
- }
- return false;
-}
-
-inline CompLevel SimpleThresholdPolicy::comp_level(Method* method) {
- CompiledMethod *nm = method->code();
- if (nm != NULL && nm->is_in_use()) {
- return (CompLevel)nm->comp_level();
- }
- return CompLevel_none;
-}
-
-#endif // TIERED
-
-#endif // SHARE_VM_RUNTIME_SIMPLETHRESHOLDPOLICY_INLINE_HPP