IA32: Native access to TranscendentalCache for sin/cos.

src/ia32/codegen-ia32.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 570 matching lines @@
 
   // Fast support for StringCompare.
   void GenerateStringCompare(ZoneList<Expression*>* args);
 
   // Support for direct calls from JavaScript to native RegExp code.
   void GenerateRegExpExec(ZoneList<Expression*>* args);
 
   // Fast support for number to string.
   void GenerateNumberToString(ZoneList<Expression*>* args);
 
+  // Fast call to transcendental functions.
+  void GenerateMathSin(ZoneList<Expression*>* args);
+  void GenerateMathCos(ZoneList<Expression*>* args);
+
   // Simple condition analysis.
   enum ConditionAnalysis {
     ALWAYS_TRUE,
     ALWAYS_FALSE,
     DONT_KNOW
   };
   ConditionAnalysis AnalyzeCondition(Expression* cond);
 
   // Methods used to indicate which source code is generated for. Source
   // positions are collected by the assembler and emitted with the relocation
@@ skipping 47 matching lines @@
   friend class FastCodeGenerator;
   friend class FullCodeGenerator;
   friend class FullCodeGenSyntaxChecker;
 
   friend class CodeGeneratorPatcher;  // Used in test-log-stack-tracer.cc
 
   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();
+  void GenerateOperation(MacroAssembler* masm);
+};
+
+
 // Flag that indicates how to generate code for the stub GenericBinaryOpStub.
 enum GenericBinaryFlags {
   NO_GENERIC_BINARY_FLAGS = 0,
   NO_SMI_CODE_IN_STUB = 1 << 0  // Omit smi code in stub.
 };
 
 
 class GenericBinaryOpStub: public CodeStub {
  public:
   GenericBinaryOpStub(Token::Value op,
@@ skipping 229 matching lines @@
   void Print() {
     PrintF("NumberToStringStub\n");
   }
 #endif
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_CODEGEN_IA32_H_