/*

 * Copyright (c) 2000, 2016, 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_C1_C1_GLOBALS_HPP

#define SHARE_VM_C1_C1_GLOBALS_HPP

#include "runtime/globals.hpp"

#include "utilities/macros.hpp"

#include CPU_HEADER(c1_globals)

#include OS_HEADER(c1_globals)

//

// Defines all global flags used by the client compiler.

//

#define C1_FLAGS(develop, \

                 develop_pd, \

                 product, \

                 product_pd, \

                 diagnostic, \

                 diagnostic_pd, \

                 notproduct, \

                 range, \

                 constraint, \

                 writeable) \

                                                                            \

  /* 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, OptimizeIfOps, true,                                        \

          "Optimize multiple IfOps")                                        \

                                                                            \

  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)")                    \

                                                                            \

  product(bool, UseLoopInvariantCodeMotion, true,                           \

          "Simple loop invariant code motion for short loops during GVN")   \

                                                                            \

  develop(bool, TracePredicateFailedTraps, false,                           \

          "trace runtime traps caused by predicate failure")                \

                                                                            \

  develop(bool, StressLoopInvariantCodeMotion, false,                       \

          "stress loop invariant code motion")                              \

                                                                            \

  develop(bool, TraceRangeCheckElimination, false,                          \

          "Trace Range Check Elimination")                                  \

                                                                            \

  develop(bool, AssertRangeCheckElimination, false,                         \

          "Assert Range Check Elimination")                                 \

                                                                            \

  develop(bool, StressRangeCheckElimination, false,                         \

          "stress Range Check Elimination")                                 \

                                                                            \

  develop(bool, PrintValueNumbering, false,                                 \

          "Print Value Numbering")                                          \

                                                                            \

  product(intx, ValueMapInitialSize, 11,                                    \

          "Initial size of a value map")                                    \

          range(1, NOT_LP64(1*K) LP64_ONLY(32*K))                           \

                                                                            \

  product(intx, ValueMapMaxLoopSize, 8,                                     \

          "maximum size of a loop optimized by global value numbering")     \

          range(0, 128)                                                     \

                                                                            \

  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)")                     \

                                                                            \

  product(bool, InlineSynchronizedMethods, true,                            \

          "Inline synchronized methods")                                    \

                                                                            \

  diagnostic(bool, InlineNIOCheckIndex, true,                               \

          "Intrinsify java.nio.Buffer.checkIndex")                          \

                                                                            \

  develop(bool, CanonicalizeNodes, true,                                    \

          "Canonicalize graph nodes")                                       \

                                                                            \

  develop(bool, PrintCanonicalization, false,                               \

          "Print graph node canonicalization")                              \

                                                                            \

  develop(bool, UseTableRanges, true,                                       \

          "Faster versions of lookup table using ranges")                   \

                                                                            \

  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")  \

          range(0, 100)                                                     \

                                                                            \

  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")                     \

          range(0, 4)                                                       \

                                                                            \

  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, 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")                                  \

                                                                            \

  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, 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")     \

                                                                            \

  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, InstallMethods, true,                                       \

          "Install methods at the end of successful compilations")          \

                                                                            \

  develop(intx, NMethodSizeLimit, (64*K)*wordSize,                          \

          "Maximum size of a compiled method.")                             \

          range(0, max_jint)                                                \

                                                                            \

  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")         \

          range(0, max_jint)                                                \

                                                                            \

  develop(bool, ComputeExactFPURegisterUsage, true,                         \

          "Compute additional live set for fpu registers to simplify fpu stack merge (Intel only)") \

                                                                            \

  product(bool, C1ProfileCalls, true,                                       \

          "Profile calls when generating code for updating MDOs")           \

                                                                            \

  product(bool, C1ProfileVirtualCalls, true,                                \

          "Profile virtual calls when generating code for updating MDOs")   \

                                                                            \

  product(bool, C1ProfileInlinedCalls, true,                                \

          "Profile inlined calls when generating code for updating MDOs")   \

                                                                            \

  product(bool, C1ProfileBranches, true,                                    \

          "Profile branches when generating code for updating MDOs")        \

                                                                            \

  product(bool, C1ProfileCheckcasts, true,                                  \

          "Profile checkcasts when generating code for updating MDOs")      \

                                                                            \

  product(bool, C1OptimizeVirtualCallProfiling, true,                       \

          "Use CHA and exact type results at call sites when updating MDOs")\

                                                                            \

  product(bool, C1UpdateMethodData, trueInTiered,                           \

          "Update MethodData*s in Tier1-generated code")                    \

                                                                            \

  develop(bool, PrintCFGToFile, false,                                      \

          "print control flow graph to a separate file during compilation") \

                                                                            \

// Read default values for c1 globals

C1_FLAGS(DECLARE_DEVELOPER_FLAG, \

         DECLARE_PD_DEVELOPER_FLAG, \

         DECLARE_PRODUCT_FLAG, \

         DECLARE_PD_PRODUCT_FLAG, \

         DECLARE_DIAGNOSTIC_FLAG, \

         DECLARE_PD_DIAGNOSTIC_FLAG, \

         DECLARE_NOTPRODUCT_FLAG, \

         IGNORE_RANGE, \

         IGNORE_CONSTRAINT, \

         IGNORE_WRITEABLE)

#endif // SHARE_VM_C1_C1_GLOBALS_HPP