X87: [ic] Record call counts for monomorphic calls made with an IC.

src/x87/code-stubs-x87.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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 1933 matching lines @@
   __ mov(eax, arg_count());
   __ mov(ecx, FieldOperand(ebx, edx, times_half_pointer_size,
                            FixedArray::kHeaderSize));
 
   // Verify that ecx contains an AllocationSite
   Factory* factory = masm->isolate()->factory();
   __ cmp(FieldOperand(ecx, HeapObject::kMapOffset),
          factory->allocation_site_map());
   __ j(not_equal, &miss);
 
+  // Increment the call count for monomorphic function calls.
+  __ add(FieldOperand(ebx, edx, times_half_pointer_size,
+                      FixedArray::kHeaderSize + kPointerSize),
+         Immediate(Smi::FromInt(CallICNexus::kCallCountIncrement)));
+
   __ mov(ebx, ecx);
   __ mov(edx, edi);
   ArrayConstructorStub stub(masm->isolate(), arg_count());
   __ TailCallStub(&stub);
 
   __ bind(&miss);
   GenerateMiss(masm);
 
   // The slow case, we need this no matter what to complete a call after a miss.
   CallFunctionNoFeedback(masm,
@@ skipping 39 matching lines @@
                     WeakCell::kValueOffset &&
                 WeakCell::kValueOffset == Symbol::kHashFieldSlot);
 
   __ cmp(edi, FieldOperand(ecx, WeakCell::kValueOffset));
   __ j(not_equal, &extra_checks_or_miss);
 
   // The compare above could have been a SMI/SMI comparison. Guard against this
   // convincing us that we have a monomorphic JSFunction.
   __ JumpIfSmi(edi, &extra_checks_or_miss);
 
+  // Increment the call count for monomorphic function calls.
+  __ add(FieldOperand(ebx, edx, times_half_pointer_size,
+                      FixedArray::kHeaderSize + kPointerSize),
+         Immediate(Smi::FromInt(CallICNexus::kCallCountIncrement)));
+
   __ bind(&have_js_function);
   if (CallAsMethod()) {
     EmitContinueIfStrictOrNative(masm, &cont);
 
     // Load the receiver from the stack.
     __ mov(eax, Operand(esp, (argc + 1) * kPointerSize));
 
     __ JumpIfSmi(eax, &wrap);
 
     __ CmpObjectType(eax, FIRST_SPEC_OBJECT_TYPE, ecx);
@@ skipping 51 matching lines @@
 
   // Make sure the function is not the Array() function, which requires special
   // behavior on MISS.
   __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, ecx);
   __ cmp(edi, ecx);
   __ j(equal, &miss);
 
   // Update stats.
   __ add(FieldOperand(ebx, with_types_offset), Immediate(Smi::FromInt(1)));
 
+  // Initialize the call counter.
+  __ mov(FieldOperand(ebx, edx, times_half_pointer_size,
+                      FixedArray::kHeaderSize + kPointerSize),
+         Immediate(Smi::FromInt(CallICNexus::kCallCountIncrement)));
+
   // Store the function. Use a stub since we need a frame for allocation.
   // ebx - vector
   // edx - slot
   // edi - function
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     CreateWeakCellStub create_stub(isolate);
     __ push(edi);
     __ CallStub(&create_stub);
     __ pop(edi);
@@ skipping 3044 matching lines @@
                            Operand(ebp, 7 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87