Index: src/ia32/code-stubs-ia32.cc |
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc |
index 93ffd8c8804989d91097998d5fffd06b726ef29a..0c300b767d4c6df629ee594ecd21bc7665485474 100644 |
--- a/src/ia32/code-stubs-ia32.cc |
+++ b/src/ia32/code-stubs-ia32.cc |
@@ -1457,6 +1457,7 @@ static void GenerateRecordCallTarget(MacroAssembler* masm) { |
// edi : the function to call |
Isolate* isolate = masm->isolate(); |
Label initialize, done, miss, megamorphic, not_array_function; |
+ Label done_increment_count, done_initialize_count; |
// Load the cache state into ecx. |
__ mov(ecx, FieldOperand(ebx, edx, times_half_pointer_size, |
@@ -1469,7 +1470,7 @@ static void GenerateRecordCallTarget(MacroAssembler* masm) { |
// type-feedback-vector.h). |
Label check_allocation_site; |
__ cmp(edi, FieldOperand(ecx, WeakCell::kValueOffset)); |
- __ j(equal, &done, Label::kFar); |
+ __ j(equal, &done_increment_count, Label::kFar); |
__ CompareRoot(ecx, Heap::kmegamorphic_symbolRootIndex); |
__ j(equal, &done, Label::kFar); |
__ CompareRoot(FieldOperand(ecx, HeapObject::kMapOffset), |
@@ -1492,7 +1493,7 @@ static void GenerateRecordCallTarget(MacroAssembler* masm) { |
__ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, ecx); |
__ cmp(edi, ecx); |
__ j(not_equal, &megamorphic); |
- __ jmp(&done, Label::kFar); |
+ __ jmp(&done_increment_count, Label::kFar); |
__ bind(&miss); |
@@ -1521,11 +1522,25 @@ static void GenerateRecordCallTarget(MacroAssembler* masm) { |
// slot. |
CreateAllocationSiteStub create_stub(isolate); |
CallStubInRecordCallTarget(masm, &create_stub); |
- __ jmp(&done); |
+ __ jmp(&done_initialize_count); |
__ bind(¬_array_function); |
CreateWeakCellStub weak_cell_stub(isolate); |
CallStubInRecordCallTarget(masm, &weak_cell_stub); |
+ __ bind(&done_initialize_count); |
+ |
+ // Initialize the call counter. |
+ __ mov(FieldOperand(ebx, edx, times_half_pointer_size, |
+ FixedArray::kHeaderSize + kPointerSize), |
+ Immediate(Smi::FromInt(1))); |
+ __ jmp(&done); |
+ |
+ __ bind(&done_increment_count); |
+ // Increment the call count for monomorphic function calls. |
+ __ add(FieldOperand(ebx, edx, times_half_pointer_size, |
+ FixedArray::kHeaderSize + kPointerSize), |
+ Immediate(Smi::FromInt(1))); |
+ |
__ bind(&done); |
} |