PPC/s390: [arm] Fix infinite loop in Math.pow(2,2147483648).

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 787 matching lines @@
     __ neg(scratch, scratch);
     __ bind(&positive_exponent);
   }
 
   Label while_true, no_carry, loop_end;
   __ bind(&while_true);
   __ andi(scratch2, scratch, Operand(1));
   __ beq(&no_carry, cr0);
   __ fmul(double_result, double_result, double_scratch);
   __ bind(&no_carry);
-  __ ShiftRightArithImm(scratch, scratch, 1, SetRC);
+  __ ShiftRightImm(scratch, scratch, Operand(1), SetRC);
   __ beq(&loop_end, cr0);
   __ fmul(double_scratch, double_scratch, double_scratch);
   __ b(&while_true);
   __ bind(&loop_end);
 
   __ cmpi(exponent, Operand::Zero());
   __ bge(&done);
 
   __ li(scratch2, Operand(1));
   __ ConvertIntToDouble(scratch2, double_scratch);
@@ skipping 4658 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