VM: Re-format to use at most one newline between functions

runtime/vm/assembler_arm64.h

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef RUNTIME_VM_ASSEMBLER_ARM64_H_
 #define RUNTIME_VM_ASSEMBLER_ARM64_H_
 
 #ifndef RUNTIME_VM_ASSEMBLER_H_
 #error Do not include assembler_arm64.h directly; use assembler.h instead.
 #endif
@@ skipping 23 matching lines @@
   }
 
  private:
   int64_t value_;
 
   int64_t value() const { return value_; }
 
   friend class Assembler;
 };
 
-
 class Label : public ValueObject {
  public:
   Label() : position_(0) {}
 
   ~Label() {
     // Assert if label is being destroyed with unresolved branches pending.
     ASSERT(!IsLinked());
   }
 
   // Returns the position for bound and linked labels. Cannot be used
@@ skipping 21 matching lines @@
   void LinkTo(intptr_t position) {
     ASSERT(!IsBound());
     position_ = position + kWordSize;
     ASSERT(IsLinked());
   }
 
   friend class Assembler;
   DISALLOW_COPY_AND_ASSIGN(Label);
 };
 
-
 class Address : public ValueObject {
  public:
   Address(const Address& other)
       : ValueObject(),
         encoding_(other.encoding_),
         type_(other.type_),
         base_(other.base_) {}
 
   Address& operator=(const Address& other) {
     encoding_ = other.encoding_;
@@ skipping 195 matching lines @@
 
   Address() : encoding_(0), type_(Unknown), base_(kNoRegister) {}
 
   uint32_t encoding_;
   AddressType type_;
   Register base_;
 
   friend class Assembler;
 };
 
-
 class FieldAddress : public Address {
  public:
   FieldAddress(Register base, int32_t disp, OperandSize sz = kDoubleWord)
       : Address(base, disp - kHeapObjectTag, Offset, sz) {}
 
   // This addressing mode does not exist.
   FieldAddress(Register base, Register disp, OperandSize sz = kDoubleWord);
 
   FieldAddress(const FieldAddress& other) : Address(other) {}
 
   FieldAddress& operator=(const FieldAddress& other) {
     Address::operator=(other);
     return *this;
   }
 };
 
-
 class Operand : public ValueObject {
  public:
   enum OperandType {
     Shifted,
     Extended,
     Immediate,
     BitfieldImm,
     Unknown,
   };
 
@@ skipping 101 matching lines @@
  private:
   uint32_t encoding() const { return encoding_; }
   OperandType type() const { return type_; }
 
   uint32_t encoding_;
   OperandType type_;
 
   friend class Assembler;
 };
 
-
 class Assembler : public ValueObject {
  public:
   explicit Assembler(bool use_far_branches = false);
   ~Assembler() {}
 
   void PopRegister(Register r) { Pop(r); }
 
   void Drop(intptr_t stack_elements) {
     add(SP, SP, Operand(stack_elements * kWordSize));
   }
@@ skipping 1485 matching lines @@
                                   Register value,
                                   Label* no_update);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_ASSEMBLER_ARM64_H_