• file
• revisions
• annotate
• diff
• comparison
• raw

src/cpu/ppc/vm/globals_ppc.hpp@e8260b6328fb (annotated)

src/cpu/ppc/vm/globals_ppc.hpp

Fri, 29 May 2015 10:58:45 +0200

author

zmajo

date

Fri, 29 May 2015 10:58:45 +0200

changeset 7854

e8260b6328fb

parent 6495

67fa91961822

child 7994

04ff2f6cd0eb

child 9662

6eedcffa129d

permissions

-rw-r--r--

8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
Summary: Introduce the PreserveFramePointer flag to control if RBP is used as the frame pointer or as a general purpose register.
Reviewed-by: kvn, roland, dlong, enevill, shade

goetz@6458	1	/*
goetz@6458	2	* Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
goetz@6458	3	* Copyright 2012, 2013 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, ShareVtableStubs, false); // Improves performance markedly for mtrt and compress.
goetz@6458	37	define_pd_global(bool, NeedsDeoptSuspend, false); // Only register window machines need this.
goetz@6458	38
goetz@6458	39
goetz@6458	40	define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks.
goetz@6490	41	define_pd_global(bool, TrapBasedNullChecks, true);
goetz@6458	42	define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs passed to check cast.
goetz@6458	43
goetz@6458	44	// Use large code-entry alignment.
goetz@6458	45	define_pd_global(intx, CodeEntryAlignment, 128);
goetz@6458	46	define_pd_global(intx, OptoLoopAlignment, 16);
goetz@6458	47	define_pd_global(intx, InlineFrequencyCount, 100);
goetz@6458	48	define_pd_global(intx, InlineSmallCode, 1500);
goetz@6458	49
goetz@6458	50	define_pd_global(intx, PreInflateSpin, 10);
goetz@6458	51
goetz@6458	52	// Flags for template interpreter.
goetz@6458	53	define_pd_global(bool, RewriteBytecodes, true);
goetz@6458	54	define_pd_global(bool, RewriteFrequentPairs, true);
goetz@6458	55
goetz@6458	56	define_pd_global(bool, UseMembar, false);
goetz@6458	57
zmajo@7854	58	define_pd_global(bool, PreserveFramePointer, false);
zmajo@7854	59
goetz@6458	60	// GC Ergo Flags
goetz@6473	61	define_pd_global(uintx, CMSYoungGenPerWorker, 16*M); // Default max size of CMS young gen, per GC worker thread.
goetz@6458	62
goetz@6475	63	define_pd_global(uintx, TypeProfileLevel, 0);
goetz@6458	64
goetz@6458	65	// Platform dependent flag handling: flags only defined on this platform.
goetz@6458	66	#define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct) \
goetz@6495	67	\
goetz@6495	68	/* Load poll address from thread. This is used to implement per-thread */ \
goetz@6495	69	/* safepoints on platforms != IA64. */ \
goetz@6495	70	product(bool, LoadPollAddressFromThread, false, \
goetz@6495	71	"Load polling page address from thread object (required for " \
goetz@6495	72	"per-thread safepoints on platforms != IA64)") \
goetz@6495	73	\
goetz@6458	74	product(uintx, PowerArchitecturePPC64, 0, \
goetz@6458	75	"CPU Version: x for PowerX. Currently recognizes Power5 to " \
goetz@6458	76	"Power7. Default is 0. CPUs newer than Power7 will be " \
goetz@6458	77	"recognized as Power7.") \
goetz@6458	78	\
goetz@6458	79	/* Reoptimize code-sequences of calls at runtime, e.g. replace an */ \
goetz@6458	80	/* indirect call by a direct call. */ \
goetz@6458	81	product(bool, ReoptimizeCallSequences, true, \
goetz@6458	82	"Reoptimize code-sequences of calls at runtime.") \
goetz@6458	83	\
goetz@6458	84	product(bool, UseLoadInstructionsForStackBangingPPC64, false, \
goetz@6458	85	"Use load instructions for stack banging.") \
goetz@6458	86	\
goetz@6458	87	/* special instructions */ \
goetz@6458	88	\
goetz@6458	89	product(bool, UseCountLeadingZerosInstructionsPPC64, true, \
goetz@6458	90	"Use count leading zeros instructions.") \
goetz@6458	91	\
goetz@6458	92	product(bool, UseExtendedLoadAndReserveInstructionsPPC64, false, \
goetz@6458	93	"Use extended versions of load-and-reserve instructions.") \
goetz@6458	94	\
goetz@6458	95	product(bool, UseRotateAndMaskInstructionsPPC64, true, \
goetz@6458	96	"Use rotate and mask instructions.") \
goetz@6458	97	\
goetz@6458	98	product(bool, UseStaticBranchPredictionInCompareAndSwapPPC64, true, \
goetz@6458	99	"Use static branch prediction hints in CAS operations.") \
goetz@6495	100	product(bool, UseStaticBranchPredictionForUncommonPathsPPC64, false, \
goetz@6495	101	"Use static branch prediction hints for uncommon paths.") \
goetz@6495	102	\
goetz@6495	103	product(bool, UsePower6SchedulerPPC64, false, \
goetz@6495	104	"Use Power6 Scheduler.") \
goetz@6495	105	\
goetz@6495	106	product(bool, InsertEndGroupPPC64, false, \
goetz@6495	107	"Insert EndGroup instructions to optimize for Power6.") \
goetz@6458	108	\
goetz@6458	109	/* Trap based checks. */ \
goetz@6458	110	/* Trap based checks use the ppc trap instructions to check certain */ \
goetz@6458	111	/* conditions. This instruction raises a SIGTRAP caught by the */ \
goetz@6458	112	/* exception handler of the VM. */ \
goetz@6486	113	product(bool, UseSIGTRAP, true, \
goetz@6458	114	"Allow trap instructions that make use of SIGTRAP. Use this to " \
goetz@6458	115	"switch off all optimizations requiring SIGTRAP.") \
goetz@6458	116	product(bool, TrapBasedICMissChecks, true, \
goetz@6458	117	"Raise and handle SIGTRAP if inline cache miss detected.") \
goetz@6458	118	product(bool, TrapBasedNotEntrantChecks, true, \
goetz@6458	119	"Raise and handle SIGTRAP if calling not entrant or zombie" \
goetz@6458	120	" method.") \
goetz@6458	121	product(bool, TraceTraps, false, "Trace all traps the signal handler" \
goetz@6458	122	"handles.") \
goetz@6458	123	\
goetz@6458	124	product(bool, ZapMemory, false, "Write 0x0101... to empty memory." \
goetz@6458	125	" Use this to ease debugging.") \
goetz@6458	126
goetz@6458	127
goetz@6458	128	#endif // CPU_PPC_VM_GLOBALS_PPC_HPP