jdk8-mips64-public/hotspot: src/share/vm/shark/sharkBuilder.hpp@01522ca68fc7

8015237: Parallelize string table scanning during strong root processing
Summary: Parallelize the scanning of the intern string table by having each GC worker claim a given number of buckets. Changes were also reviewed by Per Liden <per.liden@oracle.com>.
Reviewed-by: tschatzl, stefank, twisti

     1 /*

     2  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright 2008, 2009, 2010 Red Hat, Inc.

     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     5  *

     6  * This code is free software; you can redistribute it and/or modify it

     7  * under the terms of the GNU General Public License version 2 only, as

     8  * published by the Free Software Foundation.

     9  *

    10  * This code is distributed in the hope that it will be useful, but WITHOUT

    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    13  * version 2 for more details (a copy is included in the LICENSE file that

    14  * accompanied this code).

    15  *

    16  * You should have received a copy of the GNU General Public License version

    17  * 2 along with this work; if not, write to the Free Software Foundation,

    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    19  *

    20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    21  * or visit www.oracle.com if you need additional information or have any

    22  * questions.

    23  *

    24  */

    26 #ifndef SHARE_VM_SHARK_SHARKBUILDER_HPP

    27 #define SHARE_VM_SHARK_SHARKBUILDER_HPP

    29 #include "ci/ciType.hpp"

    30 #include "memory/barrierSet.hpp"

    31 #include "memory/cardTableModRefBS.hpp"

    32 #include "shark/llvmHeaders.hpp"

    33 #include "shark/llvmValue.hpp"

    34 #include "shark/sharkCodeBuffer.hpp"

    35 #include "shark/sharkEntry.hpp"

    36 #include "shark/sharkType.hpp"

    37 #include "shark/sharkValue.hpp"

    38 #include "utilities/debug.hpp"

    39 #include "utilities/sizes.hpp"

    41 class SharkBuilder : public llvm::IRBuilder<> {

    42   friend class SharkCompileInvariants;

    44  public:

    45   SharkBuilder(SharkCodeBuffer* code_buffer);

    47   // The code buffer we are building into.

    48  private:

    49   SharkCodeBuffer* _code_buffer;

    51  protected:

    52   SharkCodeBuffer* code_buffer() const {

    53     return _code_buffer;

    54   }

    56  public:

    57   llvm::LoadInst* CreateAtomicLoad(llvm::Value* ptr,

    58                                    unsigned align = HeapWordSize,

    59                                    llvm::AtomicOrdering ordering = llvm::SequentiallyConsistent,

    60                                    llvm::SynchronizationScope synchScope = llvm::CrossThread,

    61                                    bool isVolatile = true,

    62                                    const char *name = "");

    63   llvm::StoreInst* CreateAtomicStore(llvm::Value *val,

    64                                      llvm::Value *ptr,

    65                                      unsigned align = HeapWordSize,

    66                                      llvm::AtomicOrdering ordering = llvm::SequentiallyConsistent,

    67                                      llvm::SynchronizationScope SynchScope = llvm::CrossThread,

    68                                      bool isVolatile = true,

    69                                      const char *name = "");

    71   // Helpers for accessing structures.

    72  public:

    73   llvm::Value* CreateAddressOfStructEntry(llvm::Value* base,

    74                                           ByteSize offset,

    75                                           llvm::Type* type,

    76                                           const char *name = "");

    77   llvm::LoadInst* CreateValueOfStructEntry(llvm::Value* base,

    78                                            ByteSize offset,

    79                                            llvm::Type* type,

    80                                            const char *name = "");

    82   // Helpers for accessing arrays.

    83  public:

    84   llvm::LoadInst* CreateArrayLength(llvm::Value* arrayoop);

    85   llvm::Value* CreateArrayAddress(llvm::Value*      arrayoop,

    86                                   llvm::Type* element_type,

    87                                   int               element_bytes,

    88                                   ByteSize          base_offset,

    89                                   llvm::Value*      index,

    90                                   const char*       name = "");

    91   llvm::Value* CreateArrayAddress(llvm::Value* arrayoop,

    92                                   BasicType    basic_type,

    93                                   ByteSize     base_offset,

    94                                   llvm::Value* index,

    95                                   const char*  name = "");

    96   llvm::Value* CreateArrayAddress(llvm::Value* arrayoop,

    97                                   BasicType    basic_type,

    98                                   llvm::Value* index,

    99                                   const char*  name = "");

   101   // Helpers for creating intrinsics and external functions.

   102  private:

   103   static llvm::Type* make_type(char type, bool void_ok);

   104   static llvm::FunctionType* make_ftype(const char* params,

   105                                               const char* ret);

   106   llvm::Value* make_function(const char* name,

   107                              const char* params,

   108                              const char* ret);

   109   llvm::Value* make_function(address     func,

   110                              const char* params,

   111                              const char* ret);

   113   // Intrinsics and external functions, part 1: VM calls.

   114   //   These are functions declared with JRT_ENTRY and JRT_EXIT,

   115   //   macros which flip the thread from _thread_in_Java to

   116   //   _thread_in_vm and back.  VM calls always safepoint, and can

   117   //   therefore throw exceptions.  VM calls require of setup and

   118   //   teardown, and must be called with SharkTopLevelBlock::call_vm.

   119  public:

   120   llvm::Value* find_exception_handler();

   121   llvm::Value* monitorenter();

   122   llvm::Value* monitorexit();

   123   llvm::Value* new_instance();

   124   llvm::Value* newarray();

   125   llvm::Value* anewarray();

   126   llvm::Value* multianewarray();

   127   llvm::Value* register_finalizer();

   128   llvm::Value* safepoint();

   129   llvm::Value* throw_ArithmeticException();

   130   llvm::Value* throw_ArrayIndexOutOfBoundsException();

   131   llvm::Value* throw_ClassCastException();

   132   llvm::Value* throw_NullPointerException();

   134   // Intrinsics and external functions, part 2: High-level non-VM calls.

   135   //   These are called like normal functions.  The stack is not set

   136   //   up for walking so they must not safepoint or throw exceptions,

   137   //   or call anything that might.

   138  public:

   139   llvm::Value* f2i();

   140   llvm::Value* f2l();

   141   llvm::Value* d2i();

   142   llvm::Value* d2l();

   143   llvm::Value* is_subtype_of();

   144   llvm::Value* current_time_millis();

   145   llvm::Value* sin();

   146   llvm::Value* cos();

   147   llvm::Value* tan();

   148   llvm::Value* atan2();

   149   llvm::Value* sqrt();

   150   llvm::Value* log();

   151   llvm::Value* log10();

   152   llvm::Value* pow();

   153   llvm::Value* exp();

   154   llvm::Value* fabs();

   155   llvm::Value* unsafe_field_offset_to_byte_offset();

   156   llvm::Value* osr_migration_end();

   158   // Intrinsics and external functions, part 3: semi-VM calls.

   159   //   These are special cases that do VM call stuff but are invoked

   160   //   as though they were normal calls.  This is acceptable so long

   161   //   as the method that calls them returns to its immediately that

   162   //   the semi VM call returns.

   163  public:

   164   llvm::Value* throw_StackOverflowError();

   165   llvm::Value* uncommon_trap();

   166   llvm::Value* deoptimized_entry_point();

   168   // Intrinsics and external functions, part 4: Native-Java transition.

   169   //   This is a special case in that it is invoked during a thread

   170   //   state transition.  The stack must be set up for walking, and it

   171   //   may throw exceptions, but the state is _thread_in_native_trans.

   172  public:

   173   llvm::Value* check_special_condition_for_native_trans();

   175   // Intrinsics and external functions, part 5: Low-level non-VM calls.

   176   //   These have the same caveats as the high-level non-VM calls

   177   //   above.  They are not accessed directly; rather, you should

   178   //   access them via the various Create* methods below.

   179  private:

   180   llvm::Value* cmpxchg_int();

   181   llvm::Value* cmpxchg_ptr();

   182   llvm::Value* frame_address();

   183   llvm::Value* memset();

   184   llvm::Value* unimplemented();

   185   llvm::Value* should_not_reach_here();

   186   llvm::Value* dump();

   188   // Public interface to low-level non-VM calls.

   189  public:

   190   llvm::CallInst* CreateGetFrameAddress();

   191   llvm::CallInst* CreateMemset(llvm::Value* dst,

   192                                llvm::Value* value,

   193                                llvm::Value* len,

   194                                llvm::Value* align);

   195   llvm::CallInst* CreateUnimplemented(const char* file, int line);

   196   llvm::CallInst* CreateShouldNotReachHere(const char* file, int line);

   197   NOT_PRODUCT(llvm::CallInst* CreateDump(llvm::Value* value));

   199   // HotSpot memory barriers

   200  public:

   201   void CreateUpdateBarrierSet(BarrierSet* bs, llvm::Value* field);

   203   // Helpers for accessing the code buffer.

   204  public:

   205   llvm::Value* code_buffer_address(int offset);

   206   llvm::Value* CreateInlineOop(jobject object, const char* name = "");

   207   llvm::Value* CreateInlineOop(ciObject* object, const char* name = "") {

   208     return CreateInlineOop(object->constant_encoding(), name);

   209   }

   211   llvm::Value* CreateInlineMetadata(Metadata* metadata, llvm::PointerType* type, const char* name = "");

   212   llvm::Value* CreateInlineMetadata(ciMetadata* metadata, llvm::PointerType* type, const char* name = "") {

   213     return CreateInlineMetadata(metadata->constant_encoding(), type, name);

   214   }

   215   llvm::Value* CreateInlineData(void*             data,

   216                                 size_t            size,

   217                                 llvm::Type* type,

   218                                 const char*       name = "");

   220   // Helpers for creating basic blocks.

   221   // NB don't use unless SharkFunction::CreateBlock is unavailable.

   222   // XXX these are hacky and should be removed.

   223  public:

   224   llvm::BasicBlock* GetBlockInsertionPoint() const;

   225   llvm::BasicBlock* CreateBlock(llvm::BasicBlock* ip,

   226                                 const char*       name="") const;

   227 };

   228   #endif // SHARE_VM_SHARK_SHARKBUILDER_HPP

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/shark/sharkBuilder.hpp@01522ca68fc7

src/share/vm/shark/sharkBuilder.hpp