Implement Math.sin, cos and tan using table lookup and spline interpolation.

src/x64/full-codegen-x64.cc

Index: src/x64/full-codegen-x64.cc
diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc
index 02ba67b90e3511f8943b927f1c7ad571ef44df08..bf472f48e439ff827dbb05f05177ecef65f871a1 100644
--- a/src/x64/full-codegen-x64.cc
+++ b/src/x64/full-codegen-x64.cc
@@ -3653,33 +3653,9 @@ void FullCodeGenerator::EmitStringCompare(CallRuntime* expr) {
 }
 
 
-void FullCodeGenerator::EmitMathSin(CallRuntime* expr) {
-  // Load the argument on the stack and call the stub.
-  TranscendentalCacheStub stub(TranscendentalCache::SIN,
-                               TranscendentalCacheStub::TAGGED);
-  ZoneList<Expression*>* args = expr->arguments();
-  ASSERT(args->length() == 1);
-  VisitForStackValue(args->at(0));
-  __ CallStub(&stub);
-  context()->Plug(rax);
-}
-
-
-void FullCodeGenerator::EmitMathCos(CallRuntime* expr) {
-  // Load the argument on the stack and call the stub.
-  TranscendentalCacheStub stub(TranscendentalCache::COS,
-                               TranscendentalCacheStub::TAGGED);
-  ZoneList<Expression*>* args = expr->arguments();
-  ASSERT(args->length() == 1);
-  VisitForStackValue(args->at(0));
-  __ CallStub(&stub);
-  context()->Plug(rax);
-}
-
-
-void FullCodeGenerator::EmitMathTan(CallRuntime* expr) {
+void FullCodeGenerator::EmitMathLog(CallRuntime* expr) {
   // Load the argument on the stack and call the stub.
-  TranscendentalCacheStub stub(TranscendentalCache::TAN,
+  TranscendentalCacheStub stub(TranscendentalCache::LOG,
                                TranscendentalCacheStub::TAGGED);
   ZoneList<Expression*>* args = expr->arguments();
   ASSERT(args->length() == 1);
@@ -3689,24 +3665,22 @@ void FullCodeGenerator::EmitMathTan(CallRuntime* expr) {
 }
 
 
-void FullCodeGenerator::EmitMathLog(CallRuntime* expr) {
-  // Load the argument on the stack and call the stub.
-  TranscendentalCacheStub stub(TranscendentalCache::LOG,
-                               TranscendentalCacheStub::TAGGED);
+void FullCodeGenerator::EmitMathSqrt(CallRuntime* expr) {
+  // Load the argument on the stack and call the runtime function.
   ZoneList<Expression*>* args = expr->arguments();
   ASSERT(args->length() == 1);
   VisitForStackValue(args->at(0));
-  __ CallStub(&stub);
+  __ CallRuntime(Runtime::kMath_sqrt, 1);
   context()->Plug(rax);
 }
 
 
-void FullCodeGenerator::EmitMathSqrt(CallRuntime* expr) {
+void FullCodeGenerator::EmitMathFloor(CallRuntime* expr) {
   // Load the argument on the stack and call the runtime function.
   ZoneList<Expression*>* args = expr->arguments();
   ASSERT(args->length() == 1);
   VisitForStackValue(args->at(0));
-  __ CallRuntime(Runtime::kMath_sqrt, 1);
+  __ CallRuntime(Runtime::kMath_floor, 1);
   context()->Plug(rax);
 }