Allow the optimizing code generator to call Math.pow with untagged doubles.

src/serialize.cc

 // Copyright 2006-2008 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 405 matching lines @@
       19,
       "mul_two_doubles");
   Add(ExternalReference::double_fp_operation(Token::DIV).address(),
       UNCLASSIFIED,
       20,
       "div_two_doubles");
   Add(ExternalReference::double_fp_operation(Token::MOD).address(),
       UNCLASSIFIED,
       21,
       "mod_two_doubles");
+  Add(ExternalReference::double_fp_operation(Token::BIT_XOR).address(),

[Florian Schneider, 2010/12/08 14:09:27]

This can go away now.

+      UNCLASSIFIED,
+      36,
+      "power_two_doubles");
   Add(ExternalReference::compare_doubles().address(),
       UNCLASSIFIED,
       22,
       "compare_doubles");
 #ifndef V8_INTERPRETED_REGEXP
   Add(ExternalReference::re_case_insensitive_compare_uc16().address(),
       UNCLASSIFIED,
       23,
       "NativeRegExpMacroAssembler::CaseInsensitiveCompareUC16()");
   Add(ExternalReference::re_check_stack_guard_state().address(),
@@ skipping 43 matching lines @@
       34,
       "Deoptimizer::ComputeOutputFrames()");
   Add(ExternalReference::address_of_min_int().address(),
       UNCLASSIFIED,
       35,
       "LDoubleConstant::min_int");
   Add(ExternalReference::address_of_one_half().address(),
       UNCLASSIFIED,
       36,
       "LDoubleConstant::one_half");
+  Add(ExternalReference::address_of_negative_infinity().address(),
+      UNCLASSIFIED,
+      37,
+      "LDoubleConstant::negative_infinity");
+  Add(ExternalReference::power_double_double_function().address(),
+      UNCLASSIFIED,
+      38,
+      "power_double_double_function");
+  Add(ExternalReference::power_double_int_function().address(),
+      UNCLASSIFIED,
+      39,
+      "power_double_int_function");
+
 }
 
 
 ExternalReferenceEncoder::ExternalReferenceEncoder()
     : encodings_(Match) {
   ExternalReferenceTable* external_references =
       ExternalReferenceTable::instance();
   for (int i = 0; i < external_references->size(); ++i) {
     Put(external_references->address(i), i);
   }
@@ skipping 1007 matching lines @@
       fullness_[space] = RoundUp(fullness_[space], Page::kPageSize);
     }
   }
   int allocation_address = fullness_[space];
   fullness_[space] = allocation_address + size;
   return allocation_address;
 }
 
 
 } }  // namespace v8::internal