MIPS: Never record safepoint with doubles.

src/mips64/code-stubs-mips64.h

 // Copyright 2011 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_MIPS_CODE_STUBS_ARM_H_
 #define V8_MIPS_CODE_STUBS_ARM_H_
 
 #include "src/ic-inl.h"
 
 
@@ skipping 59 matching lines @@
  private:
   Major MajorKey() const { return SubString; }
   int MinorKey() const { return 0; }
 
   void Generate(MacroAssembler* masm);
 };
 
 
 class StoreRegistersStateStub: public PlatformCodeStub {
  public:
-  explicit StoreRegistersStateStub(Isolate* isolate, SaveFPRegsMode with_fp)
-      : PlatformCodeStub(isolate), save_doubles_(with_fp) {}
+  explicit StoreRegistersStateStub(Isolate* isolate)
+      : PlatformCodeStub(isolate) {}
 
   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:
-  explicit 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 StringCompareStub: public PlatformCodeStub {
  public:
   explicit StringCompareStub(Isolate* isolate) : PlatformCodeStub(isolate) { }
 
   // Compare two flat ASCII strings and returns result in v0.
   static void GenerateCompareFlatAsciiStrings(MacroAssembler* masm,
@@ skipping 329 matching lines @@
 
   class LookupModeBits: public BitField<LookupMode, 0, 1> {};
 
   LookupMode mode_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_MIPS_CODE_STUBS_ARM_H_