Turbofan: Rename register allocator double phase.

src/compiler/register-allocator.h

 // 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.
 
 #ifndef V8_REGISTER_ALLOCATOR_H_
 #define V8_REGISTER_ALLOCATOR_H_
 
 #include "src/compiler/instruction.h"
 #include "src/ostreams.h"
 #include "src/register-configuration.h"
 #include "src/zone-containers.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
-enum RegisterKind {
-  GENERAL_REGISTERS,
-  DOUBLE_REGISTERS
-};
-
+enum RegisterKind { GENERAL_REGISTERS, FP_REGISTERS };
 
 // This class represents a single point of a InstructionOperand's lifetime. For
 // each instruction there are four lifetime positions:
 //
 //   [[START, END], [START, END]]
 //
 // Where the first half position corresponds to
 //
 //  [GapPosition::START, GapPosition::END]
 //
@@ skipping 1161 matching lines @@
   RegisterAllocationData* const data_;
 
   DISALLOW_COPY_AND_ASSIGN(LiveRangeConnector);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_REGISTER_ALLOCATOR_H_