PPC: use Cmpi to handle case when kMaxRegularHeapObjectSize > 16bits

src/ppc/code-stubs-ppc.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_PPC
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 4677 matching lines @@
     __ StoreP(r4, MemOperand(r7, JSArray::kPropertiesOffset));
     __ StoreP(r6, MemOperand(r7, JSArray::kElementsOffset));
     __ StoreP(r3, MemOperand(r7, JSArray::kLengthOffset));
     STATIC_ASSERT(JSArray::kSize == 4 * kPointerSize);
     __ addi(r3, r7, Operand(kHeapObjectTag));
     __ Ret();
 
     // Fall back to %AllocateInNewSpace (if not too big).
     Label too_big_for_new_space;
     __ bind(&allocate);
-    __ cmpi(r10, Operand(Page::kMaxRegularHeapObjectSize));
+    __ Cmpi(r10, Operand(Page::kMaxRegularHeapObjectSize), r0);
     __ bgt(&too_big_for_new_space);
     {
       FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
       __ SmiTag(r10);
       __ Push(r3, r5, r10);
       __ CallRuntime(Runtime::kAllocateInNewSpace);
       __ mr(r6, r3);
       __ Pop(r3, r5);
     }
     __ b(&done_allocate);
@@ skipping 370 matching lines @@
   __ StoreP(r4, MemOperand(r7, JSStrictArgumentsObject::kPropertiesOffset));
   __ StoreP(r6, MemOperand(r7, JSStrictArgumentsObject::kElementsOffset));
   __ StoreP(r3, MemOperand(r7, JSStrictArgumentsObject::kLengthOffset));
   STATIC_ASSERT(JSStrictArgumentsObject::kSize == 4 * kPointerSize);
   __ addi(r3, r7, Operand(kHeapObjectTag));
   __ Ret();
 
   // Fall back to %AllocateInNewSpace (if not too big).
   Label too_big_for_new_space;
   __ bind(&allocate);
-  __ cmpi(r10, Operand(Page::kMaxRegularHeapObjectSize));
+  __ Cmpi(r10, Operand(Page::kMaxRegularHeapObjectSize), r0);
   __ bgt(&too_big_for_new_space);
   {
     FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
     __ SmiTag(r10);
     __ Push(r3, r5, r10);
     __ CallRuntime(Runtime::kAllocateInNewSpace);
     __ mr(r6, r3);
     __ Pop(r3, r5);
   }
   __ b(&done_allocate);
@@ skipping 486 matching lines @@
       fp, (PropertyCallbackArguments::kReturnValueOffset + 3) * kPointerSize);
   CallApiFunctionAndReturn(masm, api_function_address, thunk_ref,
                            kStackUnwindSpace, NULL, return_value_operand, NULL);
 }
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC