Keep two empty lines between declarations for cpp files

src/arm/simulator-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 1008 matching lines @@
 }
 
 
 void Simulator::TrashCallerSaveRegisters() {
   // We don't trash the registers with the return value.
   registers_[2] = 0x50Bad4U;
   registers_[3] = 0x50Bad4U;
   registers_[12] = 0x50Bad4U;
 }
 
+
 // Some Operating Systems allow unaligned access on ARMv7 targets. We
 // assume that unaligned accesses are not allowed unless the v8 build system
 // defines the CAN_USE_UNALIGNED_ACCESSES macro to be non-zero.
 // The following statements below describes the behavior of the ARM CPUs
 // that don't support unaligned access.
 // Some ARM platforms raise an interrupt on detecting unaligned access.
 // On others it does a funky rotation thing.  For now we
 // simply disallow unaligned reads.  Note that simulator runs have the runtime
 // system running directly on the host system and only generated code is
 // executed in the simulator.  Since the host is typically IA32 we will not
@@ skipping 479 matching lines @@
     default: {
       UNREACHABLE();
       break;
     }
   }
   if (instr->HasW()) {
     set_register(rn, rn_val);
   }
 }
 
+
 // Addressing Mode 4 - Load and Store Multiple
 void Simulator::HandleRList(Instruction* instr, bool load) {
   int rlist = instr->RlistValue();
   int num_regs = count_bits(rlist);
 
   intptr_t start_address = 0;
   intptr_t end_address = 0;
   ProcessPUW(instr, num_regs, kPointerSize, &start_address, &end_address);
 
   intptr_t* address = reinterpret_cast<intptr_t*>(start_address);
@@ skipping 409 matching lines @@
     }
   }
 }
 
 
 double Simulator::canonicalizeNaN(double value) {
   return (FPSCR_default_NaN_mode_ && std::isnan(value)) ?
     FixedDoubleArray::canonical_not_the_hole_nan_as_double() : value;
 }
 
+
 // Stop helper functions.
 bool Simulator::isStopInstruction(Instruction* instr) {
   return (instr->Bits(27, 24) == 0xF) && (instr->SvcValue() >= kStopCode);
 }
 
 
 bool Simulator::isWatchedStop(uint32_t code) {
   ASSERT(code <= kMaxStopCode);
   return code < kNumOfWatchedStops;
 }
@@ skipping 1610 matching lines @@
   uintptr_t address = *stack_slot;
   set_register(sp, current_sp + sizeof(uintptr_t));
   return address;
 }
 
 } }  // namespace v8::internal
 
 #endif  // USE_SIMULATOR
 
 #endif  // V8_TARGET_ARCH_ARM