[builtins] Introduce proper Float64Tan operator.

src/assembler.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 1555 matching lines @@
 ExternalReference ExternalReference::ieee754_atan2_function(Isolate* isolate) {
   return ExternalReference(Redirect(
       isolate, FUNCTION_ADDR(base::ieee754::atan2), BUILTIN_FP_FP_CALL));
 }
 
 ExternalReference ExternalReference::ieee754_atanh_function(Isolate* isolate) {
   return ExternalReference(Redirect(
       isolate, FUNCTION_ADDR(base::ieee754::atanh), BUILTIN_FP_FP_CALL));
 }
 
+ExternalReference ExternalReference::ieee754_cbrt_function(Isolate* isolate) {
+  return ExternalReference(Redirect(isolate, FUNCTION_ADDR(base::ieee754::cbrt),
+                                    BUILTIN_FP_FP_CALL));
+}
+
 ExternalReference ExternalReference::ieee754_cos_function(Isolate* isolate) {
   return ExternalReference(
       Redirect(isolate, FUNCTION_ADDR(base::ieee754::cos), BUILTIN_FP_CALL));
 }
 
 ExternalReference ExternalReference::ieee754_exp_function(Isolate* isolate) {
   return ExternalReference(
       Redirect(isolate, FUNCTION_ADDR(base::ieee754::exp), BUILTIN_FP_CALL));
 }
 
+ExternalReference ExternalReference::ieee754_expm1_function(Isolate* isolate) {
+  return ExternalReference(Redirect(
+      isolate, FUNCTION_ADDR(base::ieee754::expm1), BUILTIN_FP_FP_CALL));
+}
+
 ExternalReference ExternalReference::ieee754_log_function(Isolate* isolate) {
   return ExternalReference(
       Redirect(isolate, FUNCTION_ADDR(base::ieee754::log), BUILTIN_FP_CALL));
 }
 
 ExternalReference ExternalReference::ieee754_log1p_function(Isolate* isolate) {
   return ExternalReference(
       Redirect(isolate, FUNCTION_ADDR(base::ieee754::log1p), BUILTIN_FP_CALL));
 }
 
+ExternalReference ExternalReference::ieee754_log10_function(Isolate* isolate) {
+  return ExternalReference(
+      Redirect(isolate, FUNCTION_ADDR(base::ieee754::log10), BUILTIN_FP_CALL));
+}
+
 ExternalReference ExternalReference::ieee754_log2_function(Isolate* isolate) {
   return ExternalReference(
       Redirect(isolate, FUNCTION_ADDR(base::ieee754::log2), BUILTIN_FP_CALL));
 }
 
-ExternalReference ExternalReference::ieee754_log10_function(Isolate* isolate) {
-  return ExternalReference(
-      Redirect(isolate, FUNCTION_ADDR(base::ieee754::log10), BUILTIN_FP_CALL));
-}
-
-ExternalReference ExternalReference::ieee754_cbrt_function(Isolate* isolate) {
-  return ExternalReference(Redirect(isolate, FUNCTION_ADDR(base::ieee754::cbrt),
-                                    BUILTIN_FP_FP_CALL));
-}
-
-ExternalReference ExternalReference::ieee754_expm1_function(Isolate* isolate) {
-  return ExternalReference(Redirect(
-      isolate, FUNCTION_ADDR(base::ieee754::expm1), BUILTIN_FP_FP_CALL));
-}
-
 ExternalReference ExternalReference::ieee754_sin_function(Isolate* isolate) {
   return ExternalReference(
       Redirect(isolate, FUNCTION_ADDR(base::ieee754::sin), BUILTIN_FP_CALL));
 }
 
+ExternalReference ExternalReference::ieee754_tan_function(Isolate* isolate) {
+  return ExternalReference(
+      Redirect(isolate, FUNCTION_ADDR(base::ieee754::tan), BUILTIN_FP_CALL));
+}
+
 ExternalReference ExternalReference::page_flags(Page* page) {
   return ExternalReference(reinterpret_cast<Address>(page) +
                            MemoryChunk::kFlagsOffset);
 }
 
 
 ExternalReference ExternalReference::ForDeoptEntry(Address entry) {
   return ExternalReference(entry);
 }
 
@@ skipping 432 matching lines @@
 
 
 void Assembler::DataAlign(int m) {
   DCHECK(m >= 2 && base::bits::IsPowerOfTwo32(m));
   while ((pc_offset() & (m - 1)) != 0) {
     db(0);
   }
 }
 }  // namespace internal
 }  // namespace v8