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Unified Diff: src/arm/code-stubs-arm.cc

Issue 1489413006: Revert of Provide call counts for constructor calls, surface them as a vector IC. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years ago
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Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 0fa8be6869cece6aac3588dc684d76e078e6f5fa..b9e60a54e127b7811f2a5f11c2538c3a4072efe9 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -2286,7 +2286,6 @@
// r2 : feedback vector
// r3 : slot in feedback vector (Smi)
Label initialize, done, miss, megamorphic, not_array_function;
- Label done_increment_count;
DCHECK_EQ(*TypeFeedbackVector::MegamorphicSentinel(masm->isolate()),
masm->isolate()->heap()->megamorphic_symbol());
@@ -2306,7 +2305,7 @@
Register weak_value = r9;
__ ldr(weak_value, FieldMemOperand(r5, WeakCell::kValueOffset));
__ cmp(r1, weak_value);
- __ b(eq, &done_increment_count);
+ __ b(eq, &done);
__ CompareRoot(r5, Heap::kmegamorphic_symbolRootIndex);
__ b(eq, &done);
__ ldr(feedback_map, FieldMemOperand(r5, HeapObject::kMapOffset));
@@ -2329,7 +2328,7 @@
__ LoadNativeContextSlot(Context::ARRAY_FUNCTION_INDEX, r5);
__ cmp(r1, r5);
__ b(ne, &megamorphic);
- __ jmp(&done_increment_count);
+ __ jmp(&done);
__ bind(&miss);
@@ -2348,11 +2347,6 @@
// An uninitialized cache is patched with the function
__ bind(&initialize);
- // Initialize the call counter.
- __ Move(r5, Operand(Smi::FromInt(CallICNexus::kCallCountIncrement)));
- __ add(r4, r2, Operand::PointerOffsetFromSmiKey(r3));
- __ str(r5, FieldMemOperand(r4, FixedArray::kHeaderSize + kPointerSize));
-
// Make sure the function is the Array() function
__ LoadNativeContextSlot(Context::ARRAY_FUNCTION_INDEX, r5);
__ cmp(r1, r5);
@@ -2368,20 +2362,11 @@
__ bind(&not_array_function);
CreateWeakCellStub weak_cell_stub(masm->isolate());
CallStubInRecordCallTarget(masm, &weak_cell_stub);
- __ b(&done);
-
- __ bind(&done_increment_count);
- __ add(r4, r2, Operand::PointerOffsetFromSmiKey(r3));
- __ add(r4, r4, Operand(FixedArray::kHeaderSize + kPointerSize));
- __ ldr(r5, FieldMemOperand(r4, 0));
- __ add(r5, r5, Operand(Smi::FromInt(CallICNexus::kCallCountIncrement)));
- __ str(r5, FieldMemOperand(r4, 0));
-
__ bind(&done);
}
-void ConstructICStub::Generate(MacroAssembler* masm) {
+void CallConstructStub::Generate(MacroAssembler* masm) {
// r0 : number of arguments
// r1 : the function to call
// r2 : feedback vector
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