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

src/mips/full-codegen-mips.cc

Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index 38334d50dd0dacde193f20cba99e80cb6da45cde..caa7352eae8bb60b771e6c475ecb2727d568f8b7 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -3762,9 +3762,9 @@ void FullCodeGenerator::EmitStringCompare(CallRuntime* expr) {
 }
 
 
-void FullCodeGenerator::EmitMathLog(CallRuntime* expr) {
+void FullCodeGenerator::EmitMathSin(CallRuntime* expr) {
   // Load the argument on the stack and call the stub.
-  TranscendentalCacheStub stub(TranscendentalCache::LOG,
+  TranscendentalCacheStub stub(TranscendentalCache::SIN,
                                TranscendentalCacheStub::TAGGED);
   ZoneList<Expression*>* args = expr->arguments();
   ASSERT(args->length() == 1);
@@ -3775,22 +3775,51 @@ void FullCodeGenerator::EmitMathLog(CallRuntime* expr) {
 }
 
 
-void FullCodeGenerator::EmitMathSqrt(CallRuntime* expr) {
-  // Load the argument on the stack and call the runtime function.
+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));
-  __ CallRuntime(Runtime::kMath_sqrt, 1);
+  __ mov(a0, result_register());  // Stub requires parameter in a0 and on tos.
+  __ CallStub(&stub);
   context()->Plug(v0);
 }
 
 
-void FullCodeGenerator::EmitMathFloor(CallRuntime* expr) {
+void FullCodeGenerator::EmitMathTan(CallRuntime* expr) {
+  // Load the argument on the stack and call the stub.
+  TranscendentalCacheStub stub(TranscendentalCache::TAN,
+                               TranscendentalCacheStub::TAGGED);
+  ZoneList<Expression*>* args = expr->arguments();
+  ASSERT(args->length() == 1);
+  VisitForStackValue(args->at(0));
+  __ mov(a0, result_register());  // Stub requires parameter in a0 and on tos.
+  __ CallStub(&stub);
+  context()->Plug(v0);
+}
+
+
+void FullCodeGenerator::EmitMathLog(CallRuntime* expr) {
+  // Load the argument on the stack and call the stub.
+  TranscendentalCacheStub stub(TranscendentalCache::LOG,
+                               TranscendentalCacheStub::TAGGED);
+  ZoneList<Expression*>* args = expr->arguments();
+  ASSERT(args->length() == 1);
+  VisitForStackValue(args->at(0));
+  __ mov(a0, result_register());  // Stub requires parameter in a0 and on tos.
+  __ CallStub(&stub);
+  context()->Plug(v0);
+}
+
+
+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));
-  __ CallRuntime(Runtime::kMath_floor, 1);
+  __ CallRuntime(Runtime::kMath_sqrt, 1);
   context()->Plug(v0);
 }