MIPS: Long branch implementation and trampoline improvement.

src/mips/builtins-mips.cc

Index: src/mips/builtins-mips.cc
diff --git a/src/mips/builtins-mips.cc b/src/mips/builtins-mips.cc
index 036847e1b3683fdf8682cd84c5b20ae5e41962ec..4bb1d8cba716aefd31e6b9570b95448765f6dc42 100644
--- a/src/mips/builtins-mips.cc
+++ b/src/mips/builtins-mips.cc
@@ -344,7 +344,7 @@ static void ArrayNativeCode(MacroAssembler* masm,
   // Handle construction of an empty array of a certain size. Bail out if size
   // is too large to actually allocate an elements array.
   ASSERT(kSmiTag == 0);
-  __ Branch(call_generic_code, ge, a2,
+  __ Branch(call_generic_code, Ugreater_equal, a2,
             Operand(JSObject::kInitialMaxFastElementArray << kSmiTagSize));
 
   // a0: argc