PPC/S390: fix test-compiler/InvocationCount on BE

R=joransiu@ca.ibm.com, jyan@ca.ibm.com
BUG=
LOG=N

Change-Id: Ic3d594bd69d6979aeab46a655cfa4ef530d80d57
Reviewed-on: https://chromium-review.googlesource.com/661477Reviewed-by: Junliang Yan <jyan@ca.ibm.com>
Commit-Queue: Jaideep Bajwa <bjaideep@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#47959}

src/builtins/ppc/builtins-ppc.cc

@@ -931,10 +931,12 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
   __ bind(&bytecode_array_loaded);
 
   // Increment invocation count for the function.
-  __ LoadP(r8, FieldMemOperand(feedback_vector,
-                               FeedbackVector::kInvocationCountOffset));
+  __ LoadWord(
+      r8,
+      FieldMemOperand(feedback_vector, FeedbackVector::kInvocationCountOffset),
+      r0);
   __ addi(r8, r8, Operand(1));
-  __ StoreP(
+  __ StoreWord(
       r8,
       FieldMemOperand(feedback_vector, FeedbackVector::kInvocationCountOffset),
       r0);

src/builtins/s390/builtins-s390.cc

@@ -931,10 +931,10 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
   __ bind(&bytecode_array_loaded);
 
   // Increment invocation count for the function.
-  __ LoadP(r1, FieldMemOperand(feedback_vector,
+  __ LoadW(r1, FieldMemOperand(feedback_vector,
                                FeedbackVector::kInvocationCountOffset));
   __ AddP(r1, r1, Operand(1));
-  __ StoreP(r1, FieldMemOperand(feedback_vector,
+  __ StoreW(r1, FieldMemOperand(feedback_vector,
                                 FeedbackVector::kInvocationCountOffset));
 
   // Check function data field is actually a BytecodeArray object.