IA32: Native access to TranscendentalCache for sin/cos.

src/ia32/codegen-ia32.h

Index: src/ia32/codegen-ia32.h
diff --git a/src/ia32/codegen-ia32.h b/src/ia32/codegen-ia32.h
index 99dc340b64d1904caee63277b885a9450b258344..b84a6bbaaf1e910a90c8196455c446313d7b285f 100644
--- a/src/ia32/codegen-ia32.h
+++ b/src/ia32/codegen-ia32.h
@@ -588,6 +588,10 @@ class CodeGenerator: public AstVisitor {
   // 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,
@@ -655,6 +659,22 @@ class CodeGenerator: public AstVisitor {
 };
 
 
+// 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,