dart::compiler::ObjIndexPair Class Reference

#include <object_pool_builder.h>

Public Types
typedef ObjectPoolBuilderEntry	Key
typedef intptr_t	Value
typedef ObjIndexPair	Pair

Public Member Functions
	ObjIndexPair ()
	ObjIndexPair (Key key, Value value)

Static Public Member Functions
static Key	KeyOf (Pair kv)
static Value	ValueOf (Pair kv)
static uword	Hash (Key key)
static bool	IsKeyEqual (Pair kv, Key key)

Static Public Attributes
static constexpr intptr_t	kNoIndex = -1

Detailed Description

Definition at line 131 of file object_pool_builder.h.

Member Typedef Documentation

Key

typedef ObjectPoolBuilderEntry dart::compiler::ObjIndexPair::Key

Definition at line 134 of file object_pool_builder.h.

Pair

typedef ObjIndexPair dart::compiler::ObjIndexPair::Pair

Definition at line 136 of file object_pool_builder.h.

Value

typedef intptr_t dart::compiler::ObjIndexPair::Value

Definition at line 135 of file object_pool_builder.h.

Constructor & Destructor Documentation

ObjIndexPair() [1/2]

dart::compiler::ObjIndexPair::ObjIndexPair ( )

inline

Definition at line 140 of file object_pool_builder.h.

      : key_(reinterpret_cast<uword>(nullptr),
             ObjectPoolBuilderEntry::kTaggedObject,
             ObjectPoolBuilderEntry::kPatchable),
        value_(kNoIndex) {}

ObjIndexPair() [2/2]

dart::compiler::ObjIndexPair::ObjIndexPair ( Key  key, Value  value  )

inline

Definition at line 146 of file object_pool_builder.h.

                                     : value_(value) {
    key_.entry_bits_ = key.entry_bits_;
    if (key.type() == ObjectPoolBuilderEntry::kTaggedObject) {
      key_.obj_ = key.obj_;
      key_.equivalence_ = key.equivalence_;
    } else if (key.type() == ObjectPoolBuilderEntry::kImmediate128) {
      key_.imm128_ = key.imm128_;
#if defined(TARGET_ARCH_IS_32_BIT)
    } else if (key.type() == ObjectPoolBuilderEntry::kImmediate64) {
      key_.imm64_ = key.imm64_;
#endif
    } else {
      key_.imm_ = key.imm_;
    }
  }

Member Function Documentation

Hash()

uword dart::compiler::ObjIndexPair::Hash ( Key  key )

static

Definition at line 625 of file assembler_base.cc.

                                {
  switch (key.type()) {
    case ObjectPoolBuilderEntry::kImmediate128:
      return key.imm128_.int_storage[0] ^ key.imm128_.int_storage[1] ^
             key.imm128_.int_storage[2] ^ key.imm128_.int_storage[3];
 
#if defined(TARGET_ARCH_IS_32_BIT)
    case ObjectPoolBuilderEntry::kImmediate64:
      return key.imm64_;
#endif
    case ObjectPoolBuilderEntry::kImmediate:
    case ObjectPoolBuilderEntry::kNativeFunction:
      return key.imm_;
    case ObjectPoolBuilderEntry::kTaggedObject:
      return ObjectHash(*key.obj_);
  }
 
  UNREACHABLE();
}

IsKeyEqual()

static bool dart::compiler::ObjIndexPair::IsKeyEqual ( Pair  kv, Key  key  )

inlinestatic

Definition at line 168 of file object_pool_builder.h.

                                                  {
    if (kv.key_.entry_bits_ != key.entry_bits_) return false;
    if (kv.key_.type() == ObjectPoolBuilderEntry::kTaggedObject) {
      return IsSameObject(*kv.key_.obj_, *key.obj_) &&
             IsSameObject(*kv.key_.equivalence_, *key.equivalence_);
    }
    if (kv.key_.type() == ObjectPoolBuilderEntry::kImmediate128) {
      return (kv.key_.imm128_.int_storage[0] == key.imm128_.int_storage[0]) &&
             (kv.key_.imm128_.int_storage[1] == key.imm128_.int_storage[1]) &&
             (kv.key_.imm128_.int_storage[2] == key.imm128_.int_storage[2]) &&
             (kv.key_.imm128_.int_storage[3] == key.imm128_.int_storage[3]);
    }
#if defined(TARGET_ARCH_IS_32_BIT)
    if (kv.key_.type() == ObjectPoolBuilderEntry::kImmediate64) {
      return kv.key_.imm64_ == key.imm64_;
    }
#endif
    return kv.key_.imm_ == key.imm_;
  }

KeyOf()

static Key dart::compiler::ObjIndexPair::KeyOf ( Pair  kv )

inlinestatic

Definition at line 162 of file object_pool_builder.h.

{ return kv.key_; }

ValueOf()

static Value dart::compiler::ObjIndexPair::ValueOf ( Pair  kv )

inlinestatic

Definition at line 164 of file object_pool_builder.h.

{ return kv.value_; }

Member Data Documentation

kNoIndex

constexpr intptr_t dart::compiler::ObjIndexPair::kNoIndex = -1

staticconstexpr

Definition at line 138 of file object_pool_builder.h.

---

The documentation for this class was generated from the following files:

• third_party/dart-lang/sdk/runtime/vm/compiler/assembler/object_pool_builder.h
• third_party/dart-lang/sdk/runtime/vm/compiler/assembler/assembler_base.cc