X64: Implement sin and cos.

src/x64/codegen-x64.cc

 // Copyright 2009 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 3343 matching lines @@
   if (kFrameAlignment > 0) {
     __ movq(rsp, rbx);
   }
 
   Result result = allocator_->Allocate(rax);
   frame_->Push(&result);
 }
 
 
 void CodeGenerator::GenerateFastMathOp(MathOp op, ZoneList<Expression*>* args) {
-  UNIMPLEMENTED();
+  // TODO(X64): Use inline floating point in the fast case.
+  ASSERT(args->length() == 1);
+
+  // Load number.
+  Load(args->at(0));
+  Result answer;
+  switch (op) {
+    case SIN:
+      answer = frame_->CallRuntime(Runtime::kMath_sin, 1);
+      break;
+    case COS:
+      answer = frame_->CallRuntime(Runtime::kMath_cos, 1);
+      break;
+  }
+  frame_->Push(&answer);
 }
 
 
 void CodeGenerator::GenerateClassOf(ZoneList<Expression*>* args) {
   ASSERT(args->length() == 1);
   JumpTarget leave, null, function, non_function_constructor;
   Load(args->at(0));  // Load the object.
   Result obj = frame_->Pop();
   obj.ToRegister();
   frame_->Spill(obj.reg());
@@ skipping 3558 matching lines @@
 int CompareStub::MinorKey() {
   // Encode the two parameters in a unique 16 bit value.
   ASSERT(static_cast<unsigned>(cc_) < (1 << 15));
   return (static_cast<unsigned>(cc_) << 1) | (strict_ ? 1 : 0);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal