Swap cp and pp registers on Arm such for work on OOL Constant Pool.

src/arm/builtins-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 675 matching lines @@
 
 
 static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm,
                                              bool is_construct) {
   // Called from Generate_JS_Entry
   // r0: code entry
   // r1: function
   // r2: receiver
   // r3: argc
   // r4: argv
-  // r5-r6, r7 (if not FLAG_enable_ool_constant_pool) and cp may be clobbered
+  // r5-r6, r8 (if not FLAG_enable_ool_constant_pool) and cp may be clobbered
   ProfileEntryHookStub::MaybeCallEntryHook(masm);
 
   // Clear the context before we push it when entering the internal frame.
   __ mov(cp, Operand::Zero());
 
   // Enter an internal frame.
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
 
     // Set up the context from the function argument.
@@ skipping 20 matching lines @@
     __ bind(&entry);
     __ cmp(r4, r2);
     __ b(ne, &loop);
 
     // Initialize all JavaScript callee-saved registers, since they will be seen
     // by the garbage collector as part of handlers.
     __ LoadRoot(r4, Heap::kUndefinedValueRootIndex);
     __ mov(r5, Operand(r4));
     __ mov(r6, Operand(r4));
     if (!FLAG_enable_ool_constant_pool) {
-      __ mov(r7, Operand(r4));
+      __ mov(r8, Operand(r4));
     }
     if (kR9Available == 1) {
       __ mov(r9, Operand(r4));
     }
 
     // Invoke the code and pass argc as r0.
     __ mov(r0, Operand(r3));
     if (is_construct) {
       // No type feedback cell is available
       Handle<Object> undefined_sentinel(
@@ skipping 734 matching lines @@
   __ bind(&dont_adapt_arguments);
   __ Jump(r3);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM