diff options
Diffstat (limited to 'chromium/v8/src/codegen/code-stub-assembler.h')
| -rw-r--r-- | chromium/v8/src/codegen/code-stub-assembler.h | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/chromium/v8/src/codegen/code-stub-assembler.h b/chromium/v8/src/codegen/code-stub-assembler.h index 3a5a6233889..0db31fdfb83 100644 --- a/chromium/v8/src/codegen/code-stub-assembler.h +++ b/chromium/v8/src/codegen/code-stub-assembler.h @@ -374,6 +374,12 @@ class V8_EXPORT_PRIVATE CodeStubAssembler return CAST(heap_object); } + TNode<JSFunction> HeapObjectToJSFunctionWithPrototypeSlot( + TNode<HeapObject> heap_object, Label* fail) { + GotoIfNot(IsJSFunctionWithPrototypeSlot(heap_object), fail); + return CAST(heap_object); + } + Node* MatchesParameterMode(Node* value, ParameterMode mode); #define PARAMETER_BINOP(OpName, IntPtrOpName, SmiOpName) \ @@ -727,6 +733,15 @@ class V8_EXPORT_PRIVATE CodeStubAssembler TNode<BoolT> WordIsAligned(SloppyTNode<WordT> word, size_t alignment); TNode<BoolT> WordIsPowerOfTwo(SloppyTNode<IntPtrT> value); + // Check if lower_limit <= value <= higher_limit. + template <typename U> + TNode<BoolT> IsInRange(TNode<Word32T> value, U lower_limit, U higher_limit) { + DCHECK_LE(lower_limit, higher_limit); + STATIC_ASSERT(sizeof(U) <= kInt32Size); + return Uint32LessThanOrEqual(Int32Sub(value, Int32Constant(lower_limit)), + Int32Constant(higher_limit - lower_limit)); + } + #if DEBUG void Bind(Label* label, AssemblerDebugInfo debug_info); #endif // DEBUG @@ -1274,9 +1289,11 @@ class V8_EXPORT_PRIVATE CodeStubAssembler TNode<Map> LoadJSArrayElementsMap(SloppyTNode<Int32T> kind, SloppyTNode<Context> native_context); - TNode<BoolT> HasPrototypeSlot(TNode<JSFunction> function); + TNode<BoolT> IsJSFunctionWithPrototypeSlot(TNode<HeapObject> object); TNode<BoolT> IsGeneratorFunction(TNode<JSFunction> function); - TNode<BoolT> HasPrototypeProperty(TNode<JSFunction> function, TNode<Map> map); + void BranchIfHasPrototypeProperty(TNode<JSFunction> function, + TNode<Int32T> function_map_bit_field, + Label* if_true, Label* if_false); void GotoIfPrototypeRequiresRuntimeLookup(TNode<JSFunction> function, TNode<Map> map, Label* runtime); // Load the "prototype" property of a JSFunction. @@ -2393,11 +2410,12 @@ class V8_EXPORT_PRIVATE CodeStubAssembler ElementsKind reference_kind); TNode<BoolT> IsElementsKindLessThanOrEqual(TNode<Int32T> target_kind, ElementsKind reference_kind); - // Check if reference_kind_a <= target_kind <= reference_kind_b + // Check if lower_reference_kind <= target_kind <= higher_reference_kind. TNode<BoolT> IsElementsKindInRange(TNode<Int32T> target_kind, ElementsKind lower_reference_kind, - ElementsKind higher_reference_kind); - + ElementsKind higher_reference_kind) { + return IsInRange(target_kind, lower_reference_kind, higher_reference_kind); + } // String helpers. // Load a character from a String (might flatten a ConsString). TNode<Int32T> StringCharCodeAt(SloppyTNode<String> string, |