Unify some PlatformCodeStubs.

src/x64/code-stubs-x64.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_X64_CODE_STUBS_X64_H_
 #define V8_X64_CODE_STUBS_X64_H_
 
 #include "src/code-stubs.h"
 
 namespace v8 {
 namespace internal {
 
 
 void ArrayNativeCode(MacroAssembler* masm, Label* call_generic_code);
 
-class StoreBufferOverflowStub: public PlatformCodeStub {
- public:
-  StoreBufferOverflowStub(Isolate* isolate, SaveFPRegsMode save_fp)
-      : PlatformCodeStub(isolate), save_doubles_(save_fp) { }
-
-  void Generate(MacroAssembler* masm);
-
-  static void GenerateFixedRegStubsAheadOfTime(Isolate* isolate);
-  virtual bool SometimesSetsUpAFrame() { return false; }
-
- private:
-  SaveFPRegsMode save_doubles_;
-
-  Major MajorKey() const { return StoreBufferOverflow; }
-  uint32_t MinorKey() const { return (save_doubles_ == kSaveFPRegs) ? 1 : 0; }
-};
-
 
 class StringHelper : public AllStatic {
  public:
   // Generate code for copying characters using the rep movs instruction.
   // Copies rcx characters from rsi to rdi. Copying of overlapping regions is
   // not supported.
   static void GenerateCopyCharacters(MacroAssembler* masm,
                                      Register dest,
                                      Register src,
                                      Register count,
                                      String::Encoding encoding);
 
 
   // Generate string hash.
   static void GenerateHashInit(MacroAssembler* masm,
                                Register hash,
                                Register character,
                                Register scratch);
+
   static void GenerateHashAddCharacter(MacroAssembler* masm,
                                        Register hash,
                                        Register character,
                                        Register scratch);
+
   static void GenerateHashGetHash(MacroAssembler* masm,
                                   Register hash,
                                   Register scratch);
 
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(StringHelper);
-};
+  // Compares two flat ASCII strings and returns result in rax.
+  static void GenerateCompareFlatAsciiStrings(
+      MacroAssembler* masm, Register left, Register right, Register scratch1,
+      Register scratch2, Register scratch3, Register scratch4);
 
-
-class SubStringStub: public PlatformCodeStub {
- public:
-  explicit SubStringStub(Isolate* isolate) : PlatformCodeStub(isolate) {}
-
- private:
-  Major MajorKey() const { return SubString; }
-  uint32_t MinorKey() const { return 0; }
-
-  void Generate(MacroAssembler* masm);
-};
-
-
-class StringCompareStub: public PlatformCodeStub {
- public:
-  explicit StringCompareStub(Isolate* isolate) : PlatformCodeStub(isolate) {}
-
-  // Compares two flat ASCII strings and returns result in rax.
-  static void GenerateCompareFlatAsciiStrings(MacroAssembler* masm,
-                                              Register left,
-                                              Register right,
-                                              Register scratch1,
-                                              Register scratch2,
-                                              Register scratch3,
-                                              Register scratch4);
-
-  // Compares two flat ASCII strings for equality and returns result
-  // in rax.
+  // Compares two flat ASCII strings for equality and returns result in rax.
   static void GenerateFlatAsciiStringEquals(MacroAssembler* masm,
                                             Register left,
                                             Register right,
                                             Register scratch1,
                                             Register scratch2);
 
  private:
-  virtual Major MajorKey() const { return StringCompare; }
-  virtual uint32_t MinorKey() const { return 0; }
-  virtual void Generate(MacroAssembler* masm);
-
   static void GenerateAsciiCharsCompareLoop(
       MacroAssembler* masm,
       Register left,
       Register right,
       Register length,
       Register scratch,
       Label* chars_not_equal,
       Label::Distance near_jump = Label::kFar);
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(StringHelper);
 };
 
 
 class NameDictionaryLookupStub: public PlatformCodeStub {
  public:
   enum LookupMode { POSITIVE_LOOKUP, NEGATIVE_LOOKUP };
 
   NameDictionaryLookupStub(Isolate* isolate,
                            Register dictionary,
                            Register result,
@@ skipping 293 matching lines @@
   RememberedSetAction remembered_set_action_;
   SaveFPRegsMode save_fp_regs_mode_;
   Label slow_;
   RegisterAllocation regs_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_CODE_STUBS_X64_H_