MIPS: Move NumberToStringStub::GenerateLookupNumberStringCache to the MacroAssembler.

src/mips/macro-assembler-mips.h

Index: src/mips/macro-assembler-mips.h
diff --git a/src/mips/macro-assembler-mips.h b/src/mips/macro-assembler-mips.h
index 2d9c95081b5227af5cad5f0e6925c74e7d87b51e..9cc774873d6d98af8308c5a46eea1c2a95e4c519 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -1427,6 +1427,18 @@ class MacroAssembler: public Assembler {
   // -------------------------------------------------------------------------
   // String utilities.
 
+  // Generate code to do a lookup in the number string cache. If the number in
+  // the register object is found in the cache the generated code falls through
+  // with the result in the result register. The object and the result register
+  // can be the same. If the number is not found in the cache the code jumps to
+  // the label not_found with only the content of register object unchanged.
+  void LookupNumberStringCache(Register object,
+                               Register result,
+                               Register scratch1,
+                               Register scratch2,
+                               Register scratch3,
+                               Label* not_found);
+
   // Checks if both instance types are sequential ASCII strings and jumps to
   // label if either is not.
   void JumpIfBothInstanceTypesAreNotSequentialAscii(