Implement transcendental cache probing in generated code on ARM....

src/arm/codegen-arm.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 571 matching lines @@
   friend class JumpTarget;
   friend class Reference;
   friend class FastCodeGenerator;
   friend class FullCodeGenerator;
   friend class FullCodeGenSyntaxChecker;
 
   DISALLOW_COPY_AND_ASSIGN(CodeGenerator);
 };
 
 
+// Compute a transcendental math function natively, or call the
+// TranscendentalCache runtime function.
+class TranscendentalCacheStub: public CodeStub {
+ public:
+  explicit TranscendentalCacheStub(TranscendentalCache::Type type)
+      : type_(type) {}
+  void Generate(MacroAssembler* masm);
+ private:
+  TranscendentalCache::Type type_;
+  Major MajorKey() { return TranscendentalCache; }
+  int MinorKey() { return type_; }
+  Runtime::FunctionId RuntimeFunction();
+};
+
+
 class GenericBinaryOpStub : public CodeStub {
  public:
   GenericBinaryOpStub(Token::Value op,
                       OverwriteMode mode,
                       Register lhs,
                       Register rhs,
                       int constant_rhs = CodeGenerator::kUnknownIntValue)
       : op_(op),
         mode_(mode),
         lhs_(lhs),
@@ skipping 361 matching lines @@
     return ObjectBits::encode(object_.code()) |
            OffsetBits::encode(offset_.code()) |
            ScratchBits::encode(scratch_.code());
   }
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_CODEGEN_ARM_H_