PPC: VectorICs: Cleanup, remove unnecessary arguments from HandleArrayCases()

Port c29a4061

R=mvstanton@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com, dstence@us.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1325103003

Cr-Commit-Position: refs/heads/master@{#30545}

src/ppc/code-stubs-ppc.cc

@@ -4569,11 +4569,10 @@ void LoadICStub::GenerateForTrampoline(MacroAssembler* masm) {
 }
 
 
-static void HandleArrayCases(MacroAssembler* masm, Register receiver,
-                             Register key, Register vector, Register slot,
-                             Register feedback, Register receiver_map,
-                             Register scratch1, Register scratch2,
-                             bool is_polymorphic, Label* miss) {
+static void HandleArrayCases(MacroAssembler* masm, Register feedback,
+                             Register receiver_map, Register scratch1,
+                             Register scratch2, bool is_polymorphic,
+                             Label* miss) {
   // feedback initially contains the feedback array
   Label next_loop, prepare_next;
   Label start_polymorphic;
@@ -4690,8 +4689,7 @@ void LoadICStub::GenerateImpl(MacroAssembler* masm, bool in_frame) {
   __ LoadP(scratch1, FieldMemOperand(feedback, HeapObject::kMapOffset));
   __ CompareRoot(scratch1, Heap::kFixedArrayMapRootIndex);
   __ bne(&not_array);
-  HandleArrayCases(masm, receiver, name, vector, slot, feedback, receiver_map,
-                   scratch1, r10, true, &miss);
+  HandleArrayCases(masm, feedback, receiver_map, scratch1, r10, true, &miss);
 
   __ bind(&not_array);
   __ CompareRoot(feedback, Heap::kmegamorphic_symbolRootIndex);
@@ -4751,8 +4749,7 @@ void KeyedLoadICStub::GenerateImpl(MacroAssembler* masm, bool in_frame) {
   // We have a polymorphic element handler.
   Label polymorphic, try_poly_name;
   __ bind(&polymorphic);
-  HandleArrayCases(masm, receiver, key, vector, slot, feedback, receiver_map,
-                   scratch1, r10, true, &miss);
+  HandleArrayCases(masm, feedback, receiver_map, scratch1, r10, true, &miss);
 
   __ bind(&not_array);
   // Is it generic?
@@ -4772,8 +4769,7 @@ void KeyedLoadICStub::GenerateImpl(MacroAssembler* masm, bool in_frame) {
   __ add(feedback, vector, r0);
   __ LoadP(feedback,
            FieldMemOperand(feedback, FixedArray::kHeaderSize + kPointerSize));
-  HandleArrayCases(masm, receiver, key, vector, slot, feedback, receiver_map,
-                   scratch1, r10, false, &miss);
+  HandleArrayCases(masm, feedback, receiver_map, scratch1, r10, false, &miss);
 
   __ bind(&miss);
   KeyedLoadIC::GenerateMiss(masm);