ARM64: never record safepoint with doubles

src/arm64/code-stubs-arm64.h

 // Copyright 2013 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_ARM64_CODE_STUBS_ARM64_H_
 #define V8_ARM64_CODE_STUBS_ARM64_H_
 
 #include "src/ic-inl.h"
 
 namespace v8 {
@@ skipping 38 matching lines @@
                                   Register hash,
                                   Register scratch);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(StringHelper);
 };
 
 
 class StoreRegistersStateStub: public PlatformCodeStub {
  public:
-  StoreRegistersStateStub(Isolate* isolate, SaveFPRegsMode with_fp)
-      : PlatformCodeStub(isolate), save_doubles_(with_fp) {}
+  explicit StoreRegistersStateStub(Isolate* isolate)
+      : PlatformCodeStub(isolate) {}
 
   static Register to_be_pushed_lr() { return ip0; }
   static void GenerateAheadOfTime(Isolate* isolate);
  private:
   Major MajorKey() const { return StoreRegistersState; }
-  int MinorKey() const { return (save_doubles_ == kSaveFPRegs) ? 1 : 0; }
-  SaveFPRegsMode save_doubles_;
+  int MinorKey() const { return 0; }
 
   void Generate(MacroAssembler* masm);
 };
 
 
 class RestoreRegistersStateStub: public PlatformCodeStub {
  public:
-  RestoreRegistersStateStub(Isolate* isolate, SaveFPRegsMode with_fp)
-      : PlatformCodeStub(isolate), save_doubles_(with_fp) {}
+  explicit RestoreRegistersStateStub(Isolate* isolate)
+      : PlatformCodeStub(isolate) {}
 
   static void GenerateAheadOfTime(Isolate* isolate);
  private:
   Major MajorKey() const { return RestoreRegistersState; }
-  int MinorKey() const { return (save_doubles_ == kSaveFPRegs) ? 1 : 0; }
-  SaveFPRegsMode save_doubles_;
+  int MinorKey() const { return 0; }
 
   void Generate(MacroAssembler* masm);
 };
 
 
 class RecordWriteStub: public PlatformCodeStub {
  public:
   // Stub to record the write of 'value' at 'address' in 'object'.
   // Typically 'address' = 'object' + <some offset>.
   // See MacroAssembler::RecordWriteField() for example.
@@ skipping 375 matching lines @@
   TargetAddressStorageMode storage_mode() { return storage_mode_; }
 
  private:
   TargetAddressStorageMode storage_mode_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM64_CODE_STUBS_ARM64_H_