Implement Math.tan in generated code.

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index 8e9c189f4db816aa3fe71e1865836aeebfd21e46..8c3e825d191e29a47c5de391fa4a8217202dbd67 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -3131,6 +3131,18 @@ void FullCodeGenerator::EmitMathCos(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));
+  __ CallStub(&stub);
+  context()->Plug(r0);

[ulan, 2011/11/25 13:11:41]

In future maybe we could define a platform-specific function
context()->PlugResultRegister() and then move all the other code to
platform-independent code?

+}
+
+
 void FullCodeGenerator::EmitMathLog(CallRuntime* expr) {
   // Load the argument on the stack and call the stub.
   TranscendentalCacheStub stub(TranscendentalCache::LOG,