Faster string equals in generated code.

src/arm/code-stubs-arm.h

Index: src/arm/code-stubs-arm.h
diff --git a/src/arm/code-stubs-arm.h b/src/arm/code-stubs-arm.h
index 2ca7b7a8a1b5c80d51c90b028f1bfb10b8f5e624..4d4d30d89e199c83062f83d91c537a7c73cefe86 100644
--- a/src/arm/code-stubs-arm.h
+++ b/src/arm/code-stubs-arm.h
@@ -327,8 +327,7 @@ class StringCompareStub: public CodeStub {
  public:
   StringCompareStub() { }
 
-  // Compare two flat ASCII strings and returns result in r0.
-  // Does not use the stack.
+  // Compares two flat ASCII strings and returns result in r0.
   static void GenerateCompareFlatAsciiStrings(MacroAssembler* masm,
                                               Register left,
                                               Register right,
@@ -337,6 +336,15 @@ class StringCompareStub: public CodeStub {
                                               Register scratch3,
                                               Register scratch4);
 
+  // Compares two flat ASCII strings for equality and returns result
+  // in r0.
+  static void GenerateFlatAsciiStringEquals(MacroAssembler* masm,
+                                            Register left,
+                                            Register right,
+                                            Register scratch1,
+                                            Register scratch2,
+                                            Register scratch3);
+
  private:
   Major MajorKey() { return StringCompare; }
   int MinorKey() { return 0; }