Collect call counts for constructor calls, too.

src/mips64/code-stubs-mips64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_MIPS64
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 1905 matching lines @@
 
 static void GenerateRecordCallTarget(MacroAssembler* masm) {
   // Cache the called function in a feedback vector slot.  Cache states
   // are uninitialized, monomorphic (indicated by a JSFunction), and
   // megamorphic.
   // a0 : number of arguments to the construct function
   // a1 : the function to call
   // a2 : feedback vector
   // a3 : slot in feedback vector (Smi)
   Label initialize, done, miss, megamorphic, not_array_function;
+  Label done_initialize_count, done_increment_count;
 
   DCHECK_EQ(*TypeFeedbackVector::MegamorphicSentinel(masm->isolate()),
             masm->isolate()->heap()->megamorphic_symbol());
   DCHECK_EQ(*TypeFeedbackVector::UninitializedSentinel(masm->isolate()),
             masm->isolate()->heap()->uninitialized_symbol());
 
   // Load the cache state into a5.
   __ dsrl(a5, a3, 32 - kPointerSizeLog2);
   __ Daddu(a5, a2, Operand(a5));
   __ ld(a5, FieldMemOperand(a5, FixedArray::kHeaderSize));
 
   // A monomorphic cache hit or an already megamorphic state: invoke the
   // function without changing the state.
   // We don't know if a5 is a WeakCell or a Symbol, but it's harmless to read at
   // this position in a symbol (see static asserts in type-feedback-vector.h).
   Label check_allocation_site;
   Register feedback_map = a6;
   Register weak_value = t0;
   __ ld(weak_value, FieldMemOperand(a5, WeakCell::kValueOffset));
-  __ Branch(&done, eq, a1, Operand(weak_value));
+  __ Branch(&done_increment_count, eq, a1, Operand(weak_value));
   __ LoadRoot(at, Heap::kmegamorphic_symbolRootIndex);
   __ Branch(&done, eq, a5, Operand(at));
   __ ld(feedback_map, FieldMemOperand(a5, HeapObject::kMapOffset));
   __ LoadRoot(at, Heap::kWeakCellMapRootIndex);
   __ Branch(&check_allocation_site, ne, feedback_map, Operand(at));
 
   // If the weak cell is cleared, we have a new chance to become monomorphic.
   __ JumpIfSmi(weak_value, &initialize);
   __ jmp(&megamorphic);
 
   __ bind(&check_allocation_site);
   // If we came here, we need to see if we are the array function.
   // If we didn't have a matching function, and we didn't find the megamorph
   // sentinel, then we have in the slot either some other function or an
   // AllocationSite.
   __ LoadRoot(at, Heap::kAllocationSiteMapRootIndex);
   __ Branch(&miss, ne, feedback_map, Operand(at));
 
   // Make sure the function is the Array() function
   __ LoadNativeContextSlot(Context::ARRAY_FUNCTION_INDEX, a5);
   __ Branch(&megamorphic, ne, a1, Operand(a5));
-  __ jmp(&done);
+  __ jmp(&done_increment_count);
 
   __ bind(&miss);
 
   // A monomorphic miss (i.e, here the cache is not uninitialized) goes
   // megamorphic.
   __ LoadRoot(at, Heap::kuninitialized_symbolRootIndex);
   __ Branch(&initialize, eq, a5, Operand(at));
   // MegamorphicSentinel is an immortal immovable object (undefined) so no
   // write-barrier is needed.
   __ bind(&megamorphic);
   __ dsrl(a5, a3, 32 - kPointerSizeLog2);
   __ Daddu(a5, a2, Operand(a5));
   __ LoadRoot(at, Heap::kmegamorphic_symbolRootIndex);
   __ sd(at, FieldMemOperand(a5, FixedArray::kHeaderSize));
   __ jmp(&done);
 
   // An uninitialized cache is patched with the function.
   __ bind(&initialize);
   // Make sure the function is the Array() function.
   __ LoadNativeContextSlot(Context::ARRAY_FUNCTION_INDEX, a5);
   __ Branch(&not_array_function, ne, a1, Operand(a5));
 
   // The target function is the Array constructor,
   // Create an AllocationSite if we don't already have it, store it in the
   // slot.
   CreateAllocationSiteStub create_stub(masm->isolate());
   CallStubInRecordCallTarget(masm, &create_stub);
-  __ Branch(&done);
+  __ Branch(&done_initialize_count);
 
   __ bind(&not_array_function);
 
   CreateWeakCellStub weak_cell_stub(masm->isolate());
   CallStubInRecordCallTarget(masm, &weak_cell_stub);
+
+  __ bind(&done_initialize_count);
+  // Initialize the call counter.
+

[balazs.kilvady, 2016/05/24 10:16:02]

On MIPS64 we use a4, a5 registers instead of t0, t1 so if there is no any
special reason for saving a4, a5 then please replace t0, t1 in the bellow
blocks.

[mvstanton, 2016/05/24 11:20:22]

Right on, done.

+  __ dsrl(at, a3, 32 - kPointerSizeLog2);
+  __ Daddu(at, a2, Operand(at));
+  __ li(t0, Operand(Smi::FromInt(1)));
+  __ sd(t0, FieldMemOperand(at, FixedArray::kHeaderSize + kPointerSize));
+  __ bind(&done);
+
+  __ bind(&done_increment_count);
+
+  // Increment the call count for monomorphic function calls.
+  __ dsrl(t0, a3, 32 - kPointerSizeLog2);
+  __ Daddu(t1, a2, Operand(t0));
+  __ ld(t0, FieldMemOperand(t1, FixedArray::kHeaderSize + kPointerSize));
+  __ Daddu(t0, t0, Operand(Smi::FromInt(1)));
+  __ sd(t0, FieldMemOperand(t1, FixedArray::kHeaderSize + kPointerSize));
+
   __ bind(&done);
 }
 
 
 void CallConstructStub::Generate(MacroAssembler* masm) {
   // a0 : number of arguments
   // a1 : the function to call
   // a2 : feedback vector
   // a3 : slot in feedback vector (Smi, for RecordCallTarget)
 
@@ skipping 3647 matching lines @@
                            kStackUnwindSpace, kInvalidStackOffset,
                            return_value_operand, NULL);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS64