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src/cpu/ppc/vm/globals_ppc.hpp@bb1da64b0492 (annotated)

src/cpu/ppc/vm/globals_ppc.hpp

Fri, 16 Aug 2019 16:50:17 +0200

author

eosterlund

date

Fri, 16 Aug 2019 16:50:17 +0200

changeset 9834

bb1da64b0492

parent 9662

6eedcffa129d

child 9852

70aa912cebe5

permissions

-rw-r--r--

8229345: Memory leak due to vtable stubs not being shared on SPARC
Reviewed-by: mdoerr, dholmes, kvn

goetz@6458	1	/*
eosterlund@9834	2	* Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
gromero@9662	3	* Copyright 2012, 2018 SAP AG. All rights reserved.
goetz@6458	4	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
goetz@6458	5	*
goetz@6458	6	* This code is free software; you can redistribute it and/or modify it
goetz@6458	7	* under the terms of the GNU General Public License version 2 only, as
goetz@6458	8	* published by the Free Software Foundation.
goetz@6458	9	*
goetz@6458	10	* This code is distributed in the hope that it will be useful, but WITHOUT
goetz@6458	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
goetz@6458	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
goetz@6458	13	* version 2 for more details (a copy is included in the LICENSE file that
goetz@6458	14	* accompanied this code).
goetz@6458	15	*
goetz@6458	16	* You should have received a copy of the GNU General Public License version
goetz@6458	17	* 2 along with this work; if not, write to the Free Software Foundation,
goetz@6458	18	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
goetz@6458	19	*
goetz@6458	20	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
goetz@6458	21	* or visit www.oracle.com if you need additional information or have any
goetz@6458	22	* questions.
goetz@6458	23	*
goetz@6458	24	*/
goetz@6458	25
goetz@6458	26	#ifndef CPU_PPC_VM_GLOBALS_PPC_HPP
goetz@6458	27	#define CPU_PPC_VM_GLOBALS_PPC_HPP
goetz@6458	28
goetz@6458	29	#include "utilities/globalDefinitions.hpp"
goetz@6458	30	#include "utilities/macros.hpp"
goetz@6458	31
goetz@6458	32	// Sets the default values for platform dependent flags used by the runtime system.
goetz@6458	33	// (see globals.hpp)
goetz@6458	34
goetz@6458	35	define_pd_global(bool, ConvertSleepToYield, true);
goetz@6458	36	define_pd_global(bool, NeedsDeoptSuspend, false); // Only register window machines need this.
goetz@6458	37
goetz@6458	38	define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks.
goetz@6490	39	define_pd_global(bool, TrapBasedNullChecks, true);
goetz@6458	40	define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs passed to check cast.
goetz@6458	41
goetz@6458	42	// Use large code-entry alignment.
goetz@6458	43	define_pd_global(intx, CodeEntryAlignment, 128);
goetz@6458	44	define_pd_global(intx, OptoLoopAlignment, 16);
goetz@6458	45	define_pd_global(intx, InlineFrequencyCount, 100);
goetz@6458	46	define_pd_global(intx, InlineSmallCode, 1500);
goetz@6458	47
goetz@6458	48	define_pd_global(intx, PreInflateSpin, 10);
goetz@6458	49
goetz@6458	50	// Flags for template interpreter.
goetz@6458	51	define_pd_global(bool, RewriteBytecodes, true);
goetz@6458	52	define_pd_global(bool, RewriteFrequentPairs, true);
goetz@6458	53
goetz@6458	54	define_pd_global(bool, UseMembar, false);
goetz@6458	55
zmajo@7854	56	define_pd_global(bool, PreserveFramePointer, false);
zmajo@7854	57
goetz@6458	58	// GC Ergo Flags
goetz@6473	59	define_pd_global(uintx, CMSYoungGenPerWorker, 16*M); // Default max size of CMS young gen, per GC worker thread.
goetz@6458	60
goetz@6475	61	define_pd_global(uintx, TypeProfileLevel, 0);
goetz@6458	62
goetz@6458	63	// Platform dependent flag handling: flags only defined on this platform.
goetz@6458	64	#define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct) \
goetz@6495	65	\
goetz@6495	66	/* Load poll address from thread. This is used to implement per-thread */ \
goetz@6495	67	/* safepoints on platforms != IA64. */ \
goetz@6495	68	product(bool, LoadPollAddressFromThread, false, \
goetz@6495	69	"Load polling page address from thread object (required for " \
goetz@6495	70	"per-thread safepoints on platforms != IA64)") \
goetz@6495	71	\
goetz@6458	72	product(uintx, PowerArchitecturePPC64, 0, \
goetz@6458	73	"CPU Version: x for PowerX. Currently recognizes Power5 to " \
goetz@6458	74	"Power7. Default is 0. CPUs newer than Power7 will be " \
goetz@6458	75	"recognized as Power7.") \
goetz@6458	76	\
goetz@6458	77	/* Reoptimize code-sequences of calls at runtime, e.g. replace an */ \
goetz@6458	78	/* indirect call by a direct call. */ \
goetz@6458	79	product(bool, ReoptimizeCallSequences, true, \
goetz@6458	80	"Reoptimize code-sequences of calls at runtime.") \
goetz@6458	81	\
gromero@9662	82	/* Power 8: Configure Data Stream Control Register. */ \
gromero@9662	83	product(uint64_t,DSCR_PPC64, (uintx)-1, \
gromero@9662	84	"Power8 or later: Specify encoded value for Data Stream Control " \
gromero@9662	85	"Register") \
gromero@9662	86	product(uint64_t,DSCR_DPFD_PPC64, 8, \
gromero@9662	87	"Power8 or later: DPFD (default prefetch depth) value of the " \
gromero@9662	88	"Data Stream Control Register." \
gromero@9662	89	" 0: hardware default, 1: none, 2-7: min-max, 8: don't touch") \
gromero@9662	90	product(uint64_t,DSCR_URG_PPC64, 8, \
gromero@9662	91	"Power8 or later: URG (depth attainment urgency) value of the " \
gromero@9662	92	"Data Stream Control Register." \
gromero@9662	93	" 0: hardware default, 1: none, 2-7: min-max, 8: don't touch") \
gromero@9662	94	\
goetz@6458	95	product(bool, UseLoadInstructionsForStackBangingPPC64, false, \
goetz@6458	96	"Use load instructions for stack banging.") \
goetz@6458	97	\
goetz@6458	98	/* special instructions */ \
goetz@6458	99	\
goetz@6458	100	product(bool, UseCountLeadingZerosInstructionsPPC64, true, \
goetz@6458	101	"Use count leading zeros instructions.") \
goetz@6458	102	\
goetz@6458	103	product(bool, UseExtendedLoadAndReserveInstructionsPPC64, false, \
goetz@6458	104	"Use extended versions of load-and-reserve instructions.") \
goetz@6458	105	\
goetz@6458	106	product(bool, UseRotateAndMaskInstructionsPPC64, true, \
goetz@6458	107	"Use rotate and mask instructions.") \
goetz@6458	108	\
goetz@6458	109	product(bool, UseStaticBranchPredictionInCompareAndSwapPPC64, true, \
goetz@6458	110	"Use static branch prediction hints in CAS operations.") \
goetz@6495	111	product(bool, UseStaticBranchPredictionForUncommonPathsPPC64, false, \
goetz@6495	112	"Use static branch prediction hints for uncommon paths.") \
goetz@6495	113	\
goetz@6495	114	product(bool, UsePower6SchedulerPPC64, false, \
goetz@6495	115	"Use Power6 Scheduler.") \
goetz@6495	116	\
goetz@6495	117	product(bool, InsertEndGroupPPC64, false, \
goetz@6495	118	"Insert EndGroup instructions to optimize for Power6.") \
goetz@6458	119	\
goetz@6458	120	/* Trap based checks. */ \
goetz@6458	121	/* Trap based checks use the ppc trap instructions to check certain */ \
goetz@6458	122	/* conditions. This instruction raises a SIGTRAP caught by the */ \
goetz@6458	123	/* exception handler of the VM. */ \
goetz@6486	124	product(bool, UseSIGTRAP, true, \
goetz@6458	125	"Allow trap instructions that make use of SIGTRAP. Use this to " \
goetz@6458	126	"switch off all optimizations requiring SIGTRAP.") \
goetz@6458	127	product(bool, TrapBasedICMissChecks, true, \
goetz@6458	128	"Raise and handle SIGTRAP if inline cache miss detected.") \
goetz@6458	129	product(bool, TrapBasedNotEntrantChecks, true, \
goetz@6458	130	"Raise and handle SIGTRAP if calling not entrant or zombie" \
goetz@6458	131	" method.") \
goetz@6458	132	product(bool, TraceTraps, false, "Trace all traps the signal handler" \
goetz@6458	133	"handles.") \
goetz@6458	134	\
goetz@6458	135	product(bool, ZapMemory, false, "Write 0x0101... to empty memory." \
goetz@6458	136	" Use this to ease debugging.") \
goetz@6458	137
goetz@6458	138
goetz@6458	139	#endif // CPU_PPC_VM_GLOBALS_PPC_HPP