MIPS: Port function call type-feedback cells to x64 and ARM.

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index e1f099cd4ddf24cf8931a6ed429ae366af6a5dbf..bd353d98c8728aa046b5089d27dab407167b8e65 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -5402,9 +5402,9 @@ void CallFunctionStub::Generate(MacroAssembler* masm) {
     __ LoadRoot(at, Heap::kTheHoleValueRootIndex);
     __ Branch(&call, ne, t0, Operand(at));
     // Patch the receiver on the stack with the global receiver object.
-    __ lw(a2, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
-    __ lw(a2, FieldMemOperand(a2, GlobalObject::kGlobalReceiverOffset));
-    __ sw(a2, MemOperand(sp, argc_ * kPointerSize));
+    __ lw(a3, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX)));
+    __ lw(a3, FieldMemOperand(a3, GlobalObject::kGlobalReceiverOffset));
+    __ sw(a3, MemOperand(sp, argc_ * kPointerSize));
     __ bind(&call);
   }
 
@@ -5412,8 +5412,12 @@ void CallFunctionStub::Generate(MacroAssembler* masm) {
   // a1: pushed function (to be verified)
   __ JumpIfSmi(a1, &non_function);
   // Get the map of the function object.
-  __ GetObjectType(a1, a2, a2);
-  __ Branch(&slow, ne, a2, Operand(JS_FUNCTION_TYPE));
+  __ GetObjectType(a1, a3, a3);
+  __ Branch(&slow, ne, a3, Operand(JS_FUNCTION_TYPE));
+
+  if (RecordCallTarget()) {
+    GenerateRecordCallTarget(masm);
+  }
 
   // Fast-case: Invoke the function now.
   // a1: pushed function
@@ -5438,8 +5442,17 @@ void CallFunctionStub::Generate(MacroAssembler* masm) {
 
   // Slow-case: Non-function called.
   __ bind(&slow);
+  if (RecordCallTarget()) {
+    // If there is a call target cache, mark it megamorphic in the
+    // non-function case.  MegamorphicSentinel is an immortal immovable
+    // object (undefined) so no write barrier is needed.
+    ASSERT_EQ(*TypeFeedbackCells::MegamorphicSentinel(masm->isolate()),
+              masm->isolate()->heap()->undefined_value());
+    __ LoadRoot(at, Heap::kUndefinedValueRootIndex);
+    __ sw(at, FieldMemOperand(a2, JSGlobalPropertyCell::kValueOffset));
+  }
   // Check for function proxy.
-  __ Branch(&non_function, ne, a2, Operand(JS_FUNCTION_PROXY_TYPE));
+  __ Branch(&non_function, ne, a3, Operand(JS_FUNCTION_PROXY_TYPE));
   __ push(a1);  // Put proxy as additional argument.
   __ li(a0, Operand(argc_ + 1, RelocInfo::NONE));
   __ li(a2, Operand(0, RelocInfo::NONE));