PPC: Add the missing cmp instr for 32bit

src/builtins/ppc/builtins-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/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 805 matching lines @@
   // Push holes for arguments to generator function. Since the parser forced
   // context allocation for any variables in generators, the actual argument
   // values have already been copied into the context and these dummy values
   // will never be used.
   __ LoadP(r6, FieldMemOperand(r7, JSFunction::kSharedFunctionInfoOffset));
   __ LoadWordArith(
       r3, FieldMemOperand(r6, SharedFunctionInfo::kFormalParameterCountOffset));
   {
     Label loop, done_loop;
     __ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
-#if V8_TARGET_ARCH_PPC64
     __ cmpi(r3, Operand::Zero());
     __ beq(&done_loop);
-#else
-    __ beq(&done_loop, cr0);
-#endif
     __ mtctr(r3);
     __ bind(&loop);
     __ push(ip);
     __ bdnz(&loop);
     __ bind(&done_loop);
   }
 
   // Underlying function needs to have bytecode available.
   if (FLAG_debug_code) {
     __ LoadP(r6, FieldMemOperand(r6, SharedFunctionInfo::kFunctionDataOffset));
@@ skipping 2305 matching lines @@
   }
   // Now jump to the instructions of the returned code object.
   __ Jump(r11);
 }
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC