--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/c1/c1_globals.hpp Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,332 @@
+/*
+ * Copyright 2000-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+//
+// Defines all global flags used by the client compiler.
+//
+#ifndef TIERED
+ #define NOT_TIERED(x) x
+#else
+ #define NOT_TIERED(x)
+#endif
+
+#define C1_FLAGS(develop, develop_pd, product, product_pd, notproduct) \
+ \
+ /* Printing */ \
+ notproduct(bool, PrintC1Statistics, false, \
+ "Print Compiler1 statistics" ) \
+ \
+ notproduct(bool, PrintInitialBlockList, false, \
+ "Print block list of BlockListBuilder") \
+ \
+ notproduct(bool, PrintCFG, false, \
+ "Print control flow graph after each change") \
+ \
+ notproduct(bool, PrintCFG0, false, \
+ "Print control flow graph after construction") \
+ \
+ notproduct(bool, PrintCFG1, false, \
+ "Print control flow graph after optimizations") \
+ \
+ notproduct(bool, PrintCFG2, false, \
+ "Print control flow graph before code generation") \
+ \
+ notproduct(bool, PrintIRDuringConstruction, false, \
+ "Print IR as it's being constructed (helpful for debugging frontend)")\
+ \
+ notproduct(bool, PrintPhiFunctions, false, \
+ "Print phi functions when they are created and simplified") \
+ \
+ notproduct(bool, PrintIR, false, \
+ "Print full intermediate representation after each change") \
+ \
+ notproduct(bool, PrintIR0, false, \
+ "Print full intermediate representation after construction") \
+ \
+ notproduct(bool, PrintIR1, false, \
+ "Print full intermediate representation after optimizations") \
+ \
+ notproduct(bool, PrintIR2, false, \
+ "Print full intermediate representation before code generation") \
+ \
+ notproduct(bool, PrintSimpleStubs, false, \
+ "Print SimpleStubs") \
+ \
+ /* C1 optimizations */ \
+ \
+ develop(bool, UseC1Optimizations, true, \
+ "Turn on C1 optimizations") \
+ \
+ develop(bool, SelectivePhiFunctions, true, \
+ "create phi functions at loop headers only when necessary") \
+ \
+ develop(bool, DoCEE, true, \
+ "Do Conditional Expression Elimination to simplify CFG") \
+ \
+ develop(bool, PrintCEE, false, \
+ "Print Conditional Expression Elimination") \
+ \
+ develop(bool, UseLocalValueNumbering, true, \
+ "Use Local Value Numbering (embedded in GraphBuilder)") \
+ \
+ develop(bool, UseGlobalValueNumbering, true, \
+ "Use Global Value Numbering (separate phase)") \
+ \
+ develop(bool, PrintValueNumbering, false, \
+ "Print Value Numbering") \
+ \
+ product(intx, ValueMapInitialSize, 11, \
+ "Initial size of a value map") \
+ \
+ product(intx, ValueMapMaxLoopSize, 8, \
+ "maximum size of a loop optimized by global value numbering") \
+ \
+ develop(bool, EliminateBlocks, true, \
+ "Eliminate unneccessary basic blocks") \
+ \
+ develop(bool, PrintBlockElimination, false, \
+ "Print basic block elimination") \
+ \
+ develop(bool, EliminateNullChecks, true, \
+ "Eliminate unneccessary null checks") \
+ \
+ develop(bool, PrintNullCheckElimination, false, \
+ "Print null check elimination") \
+ \
+ develop(bool, EliminateFieldAccess, true, \
+ "Optimize field loads and stores") \
+ \
+ develop(bool, InlineMethodsWithExceptionHandlers, true, \
+ "Inline methods containing exception handlers " \
+ "(NOTE: does not work with current backend)") \
+ \
+ develop(bool, InlineSynchronizedMethods, true, \
+ "Inline synchronized methods") \
+ \
+ develop(bool, InlineNIOCheckIndex, true, \
+ "Intrinsify java.nio.Buffer.checkIndex") \
+ \
+ develop(bool, CanonicalizeNodes, true, \
+ "Canonicalize graph nodes") \
+ \
+ develop(bool, CanonicalizeExperimental, false, \
+ "Canonicalize graph nodes, experimental code") \
+ \
+ develop(bool, PrintCanonicalization, false, \
+ "Print graph node canonicalization") \
+ \
+ develop(bool, UseTableRanges, true, \
+ "Faster versions of lookup table using ranges") \
+ \
+ develop(bool, UseFastExceptionHandling, true, \
+ "Faster handling of exceptions") \
+ \
+ develop_pd(bool, RoundFPResults, \
+ "Indicates whether rounding is needed for floating point results")\
+ \
+ develop(intx, NestedInliningSizeRatio, 90, \
+ "Percentage of prev. allowed inline size in recursive inlining") \
+ \
+ notproduct(bool, PrintIRWithLIR, false, \
+ "Print IR instructions with generated LIR") \
+ \
+ notproduct(bool, PrintLIRWithAssembly, false, \
+ "Show LIR instruction with generated assembly") \
+ \
+ develop(bool, CommentedAssembly, trueInDebug, \
+ "Show extra info in PrintNMethods output") \
+ \
+ develop(bool, LIRTracePeephole, false, \
+ "Trace peephole optimizer") \
+ \
+ develop(bool, LIRTraceExecution, false, \
+ "add LIR code which logs the execution of blocks") \
+ \
+ product_pd(bool, LIRFillDelaySlots, \
+ "fill delays on on SPARC with LIR") \
+ \
+ develop_pd(bool, CSEArrayLength, \
+ "Create separate nodes for length in array accesses") \
+ \
+ develop_pd(bool, TwoOperandLIRForm, \
+ "true if LIR requires src1 and dst to match in binary LIR ops") \
+ \
+ develop(intx, TraceLinearScanLevel, 0, \
+ "Debug levels for the linear scan allocator") \
+ \
+ develop(bool, StressLinearScan, false, \
+ "scramble block order used by LinearScan (stress test)") \
+ \
+ product(bool, TimeLinearScan, false, \
+ "detailed timing of LinearScan phases") \
+ \
+ develop(bool, TimeEachLinearScan, false, \
+ "print detailed timing of each LinearScan run") \
+ \
+ develop(bool, CountLinearScan, false, \
+ "collect statistic counters during LinearScan") \
+ \
+ /* C1 variable */ \
+ \
+ develop(bool, C1Breakpoint, false, \
+ "Sets a breakpoint at entry of each compiled method") \
+ \
+ develop(bool, ImplicitDiv0Checks, true, \
+ "Use implicit division by zero checks") \
+ \
+ develop(bool, PinAllInstructions, false, \
+ "All instructions are pinned") \
+ \
+ develop(bool, ValueStackPinStackAll, true, \
+ "Pinning in ValueStack pin everything") \
+ \
+ develop(bool, UseFastNewInstance, true, \
+ "Use fast inlined instance allocation") \
+ \
+ develop(bool, UseFastNewTypeArray, true, \
+ "Use fast inlined type array allocation") \
+ \
+ develop(bool, UseFastNewObjectArray, true, \
+ "Use fast inlined object array allocation") \
+ \
+ develop(bool, UseFastLocking, true, \
+ "Use fast inlined locking code") \
+ \
+ product(bool, FastTLABRefill, true, \
+ "Use fast TLAB refill code") \
+ \
+ develop(bool, UseSlowPath, false, \
+ "For debugging: test slow cases by always using them") \
+ \
+ develop(bool, GenerateArrayStoreCheck, true, \
+ "Generates code for array store checks") \
+ \
+ develop(bool, DeoptC1, true, \
+ "Use deoptimization in C1") \
+ \
+ develop(bool, DeoptOnAsyncException, true, \
+ "Deoptimize upon Thread.stop(); improves precision of IR") \
+ \
+ develop(bool, PrintBailouts, false, \
+ "Print bailout and its reason") \
+ \
+ develop(bool, TracePatching, false, \
+ "Trace patching of field access on uninitialized classes") \
+ \
+ develop(bool, PatchALot, false, \
+ "Marks all fields as having unloaded classes") \
+ \
+ develop(bool, PrintNotLoaded, false, \
+ "Prints where classes are not loaded during code generation") \
+ \
+ notproduct(bool, VerifyOopMaps, false, \
+ "Adds oopmap verification code to the generated code") \
+ \
+ develop(bool, PrintLIR, false, \
+ "print low-level IR") \
+ \
+ develop(bool, BailoutAfterHIR, false, \
+ "bailout of compilation after building of HIR") \
+ \
+ develop(bool, BailoutAfterLIR, false, \
+ "bailout of compilation after building of LIR") \
+ \
+ develop(bool, BailoutOnExceptionHandlers, false, \
+ "bailout of compilation for methods with exception handlers") \
+ \
+ develop(bool, AlwaysEmitDebugInfo, false, \
+ "always emit debug info") \
+ \
+ develop(bool, InstallMethods, true, \
+ "Install methods at the end of successful compilations") \
+ \
+ product(intx, CompilationRepeat, 0, \
+ "Number of times to recompile method before returning result") \
+ \
+ develop(intx, NMethodSizeLimit, (32*K)*wordSize, \
+ "Maximum size of a compiled method.") \
+ \
+ develop(bool, TraceFPUStack, false, \
+ "Trace emulation of the FPU stack (intel only)") \
+ \
+ develop(bool, TraceFPURegisterUsage, false, \
+ "Trace usage of FPU registers at start of blocks (intel only)") \
+ \
+ develop(bool, OptimizeUnsafes, true, \
+ "Optimize raw unsafe ops") \
+ \
+ develop(bool, PrintUnsafeOptimization, false, \
+ "Print optimization of raw unsafe ops") \
+ \
+ develop(intx, InstructionCountCutoff, 37000, \
+ "If GraphBuilder adds this many instructions, bails out") \
+ \
+ product_pd(intx, SafepointPollOffset, \
+ "Offset added to polling address (Intel only)") \
+ \
+ product(bool, UseNewFeature1, false, \
+ "Enable new feature for testing. This is a dummy flag.") \
+ \
+ product(bool, UseNewFeature2, false, \
+ "Enable new feature for testing. This is a dummy flag.") \
+ \
+ product(bool, UseNewFeature3, false, \
+ "Enable new feature for testing. This is a dummy flag.") \
+ \
+ product(bool, UseNewFeature4, false, \
+ "Enable new feature for testing. This is a dummy flag.") \
+ \
+ develop(bool, ComputeExactFPURegisterUsage, true, \
+ "Compute additional live set for fpu registers to simplify fpu stack merge (Intel only)") \
+ \
+ product(bool, Tier1ProfileCalls, true, \
+ "Profile calls when generating code for updating MDOs") \
+ \
+ product(bool, Tier1ProfileVirtualCalls, true, \
+ "Profile virtual calls when generating code for updating MDOs") \
+ \
+ product(bool, Tier1ProfileInlinedCalls, true, \
+ "Profile inlined calls when generating code for updating MDOs") \
+ \
+ product(bool, Tier1ProfileBranches, true, \
+ "Profile branches when generating code for updating MDOs") \
+ \
+ product(bool, Tier1ProfileCheckcasts, true, \
+ "Profile checkcasts when generating code for updating MDOs") \
+ \
+ product(bool, Tier1OptimizeVirtualCallProfiling, true, \
+ "Use CHA and exact type results at call sites when updating MDOs") \
+ \
+ develop(bool, Tier1CountOnly, false, \
+ "Don't schedule tier 2 compiles. Enter VM only") \
+ \
+ develop(bool, PrintCFGToFile, false, \
+ "print control flow graph to a separate file during compilation") \
+ \
+
+
+// Read default values for c1 globals
+// #include "incls/_c1_globals_pd.hpp.incl"
+
+C1_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_NOTPRODUCT_FLAG)