X87: [ic] Change CompareIC to handle JSReceiver instead of JSObject.

src/x87/code-stubs-x87.cc

Index: src/x87/code-stubs-x87.cc
diff --git a/src/x87/code-stubs-x87.cc b/src/x87/code-stubs-x87.cc
index 7bea670b628f4e7563ce317f7e4f2b3f5b162ade..5a2f2f7c306409f48093be8ca7fd7402508519c0 100644
--- a/src/x87/code-stubs-x87.cc
+++ b/src/x87/code-stubs-x87.cc
@@ -3306,19 +3306,20 @@ void CompareICStub::GenerateStrings(MacroAssembler* masm) {
 }
 
 
-void CompareICStub::GenerateObjects(MacroAssembler* masm) {
-  DCHECK(state() == CompareICState::OBJECT);
+void CompareICStub::GenerateReceivers(MacroAssembler* masm) {
+  DCHECK_EQ(CompareICState::RECEIVER, state());
   Label miss;
   __ mov(ecx, edx);
   __ and_(ecx, eax);
   __ JumpIfSmi(ecx, &miss, Label::kNear);
 
-  __ CmpObjectType(eax, JS_OBJECT_TYPE, ecx);
-  __ j(not_equal, &miss, Label::kNear);
-  __ CmpObjectType(edx, JS_OBJECT_TYPE, ecx);
-  __ j(not_equal, &miss, Label::kNear);
+  STATIC_ASSERT(LAST_TYPE == LAST_JS_RECEIVER_TYPE);
+  __ CmpObjectType(eax, FIRST_JS_RECEIVER_TYPE, ecx);
+  __ j(below, &miss, Label::kNear);
+  __ CmpObjectType(edx, FIRST_JS_RECEIVER_TYPE, ecx);
+  __ j(below, &miss, Label::kNear);
 
-  DCHECK(GetCondition() == equal);
+  DCHECK_EQ(equal, GetCondition());
   __ sub(eax, edx);
   __ ret(0);
 
@@ -3327,7 +3328,7 @@ void CompareICStub::GenerateObjects(MacroAssembler* masm) {
 }
 
 
-void CompareICStub::GenerateKnownObjects(MacroAssembler* masm) {
+void CompareICStub::GenerateKnownReceivers(MacroAssembler* masm) {
   Label miss;
   Handle<WeakCell> cell = Map::WeakCellForMap(known_map_);
   __ mov(ecx, edx);