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

src/share/vm/shark/sharkBuilder.hpp@01522ca68fc7 (annotated)

src/share/vm/shark/sharkBuilder.hpp

Tue, 18 Jun 2013 12:31:07 -0700

author: johnc
date: Tue, 18 Jun 2013 12:31:07 -0700
changeset 5277: 01522ca68fc7
parent 4314: 2cd5e15048e6
child 6876: 710a3c8b516e
permissions: -rw-r--r--

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

 /*
  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2008, 2009, 2010 Red Hat, Inc.
  * 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_SHARK_SHARKBUILDER_HPP
 #define SHARE_VM_SHARK_SHARKBUILDER_HPP
 #include "ci/ciType.hpp"
 #include "memory/barrierSet.hpp"
 #include "memory/cardTableModRefBS.hpp"
 #include "shark/llvmHeaders.hpp"
 #include "shark/llvmValue.hpp"
 #include "shark/sharkCodeBuffer.hpp"
 #include "shark/sharkEntry.hpp"
 #include "shark/sharkType.hpp"
 #include "shark/sharkValue.hpp"
 #include "utilities/debug.hpp"
 #include "utilities/sizes.hpp"
 class SharkBuilder : public llvm::IRBuilder<> {
   friend class SharkCompileInvariants;
  public:
   SharkBuilder(SharkCodeBuffer* code_buffer);
   // The code buffer we are building into.
  private:
   SharkCodeBuffer* _code_buffer;
  protected:
   SharkCodeBuffer* code_buffer() const {
     return _code_buffer;
   }
  public:
   llvm::LoadInst* CreateAtomicLoad(llvm::Value* ptr,
                                    unsigned align = HeapWordSize,
                                    llvm::AtomicOrdering ordering = llvm::SequentiallyConsistent,
                                    llvm::SynchronizationScope synchScope = llvm::CrossThread,
                                    bool isVolatile = true,
                                    const char *name = "");
   llvm::StoreInst* CreateAtomicStore(llvm::Value *val,
                                      llvm::Value *ptr,
                                      unsigned align = HeapWordSize,
                                      llvm::AtomicOrdering ordering = llvm::SequentiallyConsistent,
                                      llvm::SynchronizationScope SynchScope = llvm::CrossThread,
                                      bool isVolatile = true,
                                      const char *name = "");
   // Helpers for accessing structures.
  public:
   llvm::Value* CreateAddressOfStructEntry(llvm::Value* base,
                                           ByteSize offset,
                                           llvm::Type* type,
                                           const char *name = "");
   llvm::LoadInst* CreateValueOfStructEntry(llvm::Value* base,
                                            ByteSize offset,
                                            llvm::Type* type,
                                            const char *name = "");
   // Helpers for accessing arrays.
  public:
   llvm::LoadInst* CreateArrayLength(llvm::Value* arrayoop);
   llvm::Value* CreateArrayAddress(llvm::Value*      arrayoop,
                                   llvm::Type* element_type,
                                   int               element_bytes,
                                   ByteSize          base_offset,
                                   llvm::Value*      index,
                                   const char*       name = "");
   llvm::Value* CreateArrayAddress(llvm::Value* arrayoop,
                                   BasicType    basic_type,
                                   ByteSize     base_offset,
                                   llvm::Value* index,
                                   const char*  name = "");
   llvm::Value* CreateArrayAddress(llvm::Value* arrayoop,
                                   BasicType    basic_type,
                                   llvm::Value* index,
                                   const char*  name = "");
   // Helpers for creating intrinsics and external functions.
  private:
   static llvm::Type* make_type(char type, bool void_ok);
   static llvm::FunctionType* make_ftype(const char* params,
                                               const char* ret);
   llvm::Value* make_function(const char* name,
                              const char* params,
                              const char* ret);
   llvm::Value* make_function(address     func,
                              const char* params,
                              const char* ret);
   // Intrinsics and external functions, part 1: VM calls.
   //   These are functions declared with JRT_ENTRY and JRT_EXIT,
   //   macros which flip the thread from _thread_in_Java to
   //   _thread_in_vm and back.  VM calls always safepoint, and can
   //   therefore throw exceptions.  VM calls require of setup and
   //   teardown, and must be called with SharkTopLevelBlock::call_vm.
  public:
   llvm::Value* find_exception_handler();
   llvm::Value* monitorenter();
   llvm::Value* monitorexit();
   llvm::Value* new_instance();
   llvm::Value* newarray();
   llvm::Value* anewarray();
   llvm::Value* multianewarray();
   llvm::Value* register_finalizer();
   llvm::Value* safepoint();
   llvm::Value* throw_ArithmeticException();
   llvm::Value* throw_ArrayIndexOutOfBoundsException();
   llvm::Value* throw_ClassCastException();
   llvm::Value* throw_NullPointerException();
   // Intrinsics and external functions, part 2: High-level non-VM calls.
   //   These are called like normal functions.  The stack is not set
   //   up for walking so they must not safepoint or throw exceptions,
   //   or call anything that might.
  public:
   llvm::Value* f2i();
   llvm::Value* f2l();
   llvm::Value* d2i();
   llvm::Value* d2l();
   llvm::Value* is_subtype_of();
   llvm::Value* current_time_millis();
   llvm::Value* sin();
   llvm::Value* cos();
   llvm::Value* tan();
   llvm::Value* atan2();
   llvm::Value* sqrt();
   llvm::Value* log();
   llvm::Value* log10();
   llvm::Value* pow();
   llvm::Value* exp();
   llvm::Value* fabs();
   llvm::Value* unsafe_field_offset_to_byte_offset();
   llvm::Value* osr_migration_end();
   // Intrinsics and external functions, part 3: semi-VM calls.
   //   These are special cases that do VM call stuff but are invoked
   //   as though they were normal calls.  This is acceptable so long
   //   as the method that calls them returns to its immediately that
   //   the semi VM call returns.
  public:
   llvm::Value* throw_StackOverflowError();
   llvm::Value* uncommon_trap();
   llvm::Value* deoptimized_entry_point();
   // Intrinsics and external functions, part 4: Native-Java transition.
   //   This is a special case in that it is invoked during a thread
   //   state transition.  The stack must be set up for walking, and it
   //   may throw exceptions, but the state is _thread_in_native_trans.
  public:
   llvm::Value* check_special_condition_for_native_trans();
   // Intrinsics and external functions, part 5: Low-level non-VM calls.
   //   These have the same caveats as the high-level non-VM calls
   //   above.  They are not accessed directly; rather, you should
   //   access them via the various Create* methods below.
  private:
   llvm::Value* cmpxchg_int();
   llvm::Value* cmpxchg_ptr();
   llvm::Value* frame_address();
   llvm::Value* memset();
   llvm::Value* unimplemented();
   llvm::Value* should_not_reach_here();
   llvm::Value* dump();
   // Public interface to low-level non-VM calls.
  public:
   llvm::CallInst* CreateGetFrameAddress();
   llvm::CallInst* CreateMemset(llvm::Value* dst,
                                llvm::Value* value,
                                llvm::Value* len,
                                llvm::Value* align);
   llvm::CallInst* CreateUnimplemented(const char* file, int line);
   llvm::CallInst* CreateShouldNotReachHere(const char* file, int line);
   NOT_PRODUCT(llvm::CallInst* CreateDump(llvm::Value* value));
   // HotSpot memory barriers
  public:
   void CreateUpdateBarrierSet(BarrierSet* bs, llvm::Value* field);
   // Helpers for accessing the code buffer.
  public:
   llvm::Value* code_buffer_address(int offset);
   llvm::Value* CreateInlineOop(jobject object, const char* name = "");
   llvm::Value* CreateInlineOop(ciObject* object, const char* name = "") {
     return CreateInlineOop(object->constant_encoding(), name);
   }
   llvm::Value* CreateInlineMetadata(Metadata* metadata, llvm::PointerType* type, const char* name = "");
   llvm::Value* CreateInlineMetadata(ciMetadata* metadata, llvm::PointerType* type, const char* name = "") {
     return CreateInlineMetadata(metadata->constant_encoding(), type, name);
   }
   llvm::Value* CreateInlineData(void*             data,
                                 size_t            size,
                                 llvm::Type* type,
                                 const char*       name = "");
   // Helpers for creating basic blocks.
   // NB don't use unless SharkFunction::CreateBlock is unavailable.
   // XXX these are hacky and should be removed.
  public:
   llvm::BasicBlock* GetBlockInsertionPoint() const;
   llvm::BasicBlock* CreateBlock(llvm::BasicBlock* ip,
                                 const char*       name="") const;
 };
   #endif // SHARE_VM_SHARK_SHARKBUILDER_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/shark/sharkBuilder.hpp@01522ca68fc7 (annotated)

src/share/vm/shark/sharkBuilder.hpp