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src/hotspot/share/compiler/compiler_globals.hpp

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  1 /*
  2  * Copyright (c) 1997, 2024, Oracle and/or its affiliates. All rights reserved.
  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4  *
  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.
  8  *
  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *

371   product(bool, AbortVMOnCompilationFailure, false, DIAGNOSTIC,             \
372           "Abort VM when method had failed to compile.")                    \
373                                                                             \
374   develop(intx, OSROnlyBCI, -1,                                             \
375           "OSR only at this bci.  Negative values mean exclude that bci")   \
376                                                                             \
377   develop(intx, DesiredMethodLimit,  8000,                                  \
378           "The desired maximum method size (in bytecodes) after inlining")  \
379                                                                             \
380   product(bool, DontCompileHugeMethods, true,                               \
381           "Do not compile methods > HugeMethodLimit")                       \
382                                                                             \
383   develop(intx, HugeMethodLimit,  8000,                                     \
384           "Don't compile methods larger than this if "                      \
385           "+DontCompileHugeMethods")                                        \
386                                                                             \
387   product(bool, CaptureBailoutInformation, trueInDebug, DIAGNOSTIC,         \
388           "If compilation is stopped with an error, capture diagnostic "    \
389           "information at the bailout point")                               \
390                                                                             \

























































391 // end of COMPILER_FLAGS
392 
393 DECLARE_FLAGS(COMPILER_FLAGS)
394 
395 #endif // SHARE_COMPILER_COMPILER_GLOBALS_HPP

  1 /*
  2  * Copyright (c) 1997, 2025, Oracle and/or its affiliates. All rights reserved.
  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4  *
  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.
  8  *
  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *

371   product(bool, AbortVMOnCompilationFailure, false, DIAGNOSTIC,             \
372           "Abort VM when method had failed to compile.")                    \
373                                                                             \
374   develop(intx, OSROnlyBCI, -1,                                             \
375           "OSR only at this bci.  Negative values mean exclude that bci")   \
376                                                                             \
377   develop(intx, DesiredMethodLimit,  8000,                                  \
378           "The desired maximum method size (in bytecodes) after inlining")  \
379                                                                             \
380   product(bool, DontCompileHugeMethods, true,                               \
381           "Do not compile methods > HugeMethodLimit")                       \
382                                                                             \
383   develop(intx, HugeMethodLimit,  8000,                                     \
384           "Don't compile methods larger than this if "                      \
385           "+DontCompileHugeMethods")                                        \
386                                                                             \
387   product(bool, CaptureBailoutInformation, trueInDebug, DIAGNOSTIC,         \
388           "If compilation is stopped with an error, capture diagnostic "    \
389           "information at the bailout point")                               \
390                                                                             \
391   /* AOT Code Caching flags */                                              \
392                                                                             \
393   product(uint, DisableAOTCode, 0,                                          \
394           "Disable AOT code on some compilation levels "                    \
395           "(T1=1; T2=2; T4=4; T5/preload=8")                                \
396                                                                             \
397   product(uint, ClassInitBarrierMode, 0,                                    \
398           "Produce AOT preload code which could be called on first "        \
399           "method invocation, add class initialization barriers, "          \
400           "other checks and constrains if needed "                          \
401           "(0: no barriers; 1: uncommon trap; 2: full barrier)")            \
402                                                                             \
403   product(bool, StressClassInitBarriers, false, DIAGNOSTIC,                 \
404           "Force slow path in class initialization barriers")               \
405                                                                             \
406   product(bool, UseAOTCodeLoadThread, false,                                \
407           "Use separate thread for AOT code load")                          \
408                                                                             \
409   product(uint, AOTCodeLoadStart, 0,                                        \
410           "The id of the first AOT code to load")                           \
411                                                                             \
412   product(uint, AOTCodeLoadStop, max_jint,                                  \
413           "The id of the last AOT code to load")                            \
414                                                                             \
415   product(uint, AOTCodePreloadStart, 0,                                     \
416           "The id of the first AOT code to preload")                        \
417                                                                             \
418   product(uint, AOTCodePreloadStop, max_jint,                               \
419           "The id of the last AOT code to preload")                         \
420                                                                             \
421   product(bool, VerifyAOTCode, false, DIAGNOSTIC,                           \
422           "Load AOT code but not publish")                                  \
423                                                                             \
424   product(bool, UseGlobalCompileQueueLock, false,                           \
425           "Use a global lock for all compilation queues")                   \
426                                                                             \
427   product(bool, UseLockFreeCompileQueues, true,                             \
428           "Use lock free compile queues")                                   \
429                                                                             \
430   product(bool, PrecompileCode, false,                                      \
431           "Precompile code")                                                \
432                                                                             \
433   product(bool, PrecompileOnlyAndExit, false,                               \
434           "Exit after precompilation step is over")                         \
435                                                                             \
436   product(bool, PreloadReduceTraps, true, DIAGNOSTIC,                       \
437           "Preload code should avoid traps as much as possible.")           \
438                                                                             \
439   product(bool, PreloadBlocking, false, DIAGNOSTIC,                         \
440           "Preload code is processed with blocking. Startup would not "     \
441           "proceed until all code preloaded code is done loading.")         \
442                                                                             \
443   product(bool, PreloadOnly, false, EXPERIMENTAL,                           \
444           "Use preload code exclusively. This effectively disables most of "\
445           "profiling and JIT compilation, running close to AOT-only mode.") \
446                                                                             \
447 
448 // end of COMPILER_FLAGS
449 
450 DECLARE_FLAGS(COMPILER_FLAGS)
451 
452 #endif // SHARE_COMPILER_COMPILER_GLOBALS_HPP
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