X64 Crnakshaft: Added GeneratePrologue implementation.

src/lithium-allocator.h

Index: src/lithium-allocator.h
diff --git a/src/lithium-allocator.h b/src/lithium-allocator.h
index 3cb28a7be147671de213bbf15c2864e636335b2b..dfe1953df6c15b5af01de5f89a3c7866a5780510 100644
--- a/src/lithium-allocator.h
+++ b/src/lithium-allocator.h
@@ -705,6 +705,7 @@ class LiveRange: public ZoneObject {
   bool HasAllocatedSpillOperand() const {
     return spill_operand_ != NULL && !spill_operand_->IsUnallocated();
   }
+
   LOperand* GetSpillOperand() const { return spill_operand_; }
   void SetSpillOperand(LOperand* operand) {
     ASSERT(!operand->IsUnallocated());
@@ -722,7 +723,6 @@ class LiveRange: public ZoneObject {
   bool Covers(LifetimePosition position);
   LifetimePosition FirstIntersection(LiveRange* other);
 
-
   // Add a new interval or a new use position to this live range.
   void EnsureInterval(LifetimePosition start, LifetimePosition end);
   void AddUseInterval(LifetimePosition start, LifetimePosition end);