Faster string equals in generated code.

src/ia32/code-stubs-ia32.h

Index: src/ia32/code-stubs-ia32.h
diff --git a/src/ia32/code-stubs-ia32.h b/src/ia32/code-stubs-ia32.h
index dcbcc61acb0e049b257ac90000b2b49d3b73a37a..a17ebdac5833f040f0c02af2c88b79153e6b08d1 100644
--- a/src/ia32/code-stubs-ia32.h
+++ b/src/ia32/code-stubs-ia32.h
@@ -372,11 +372,9 @@ class SubStringStub: public CodeStub {
 
 class StringCompareStub: public CodeStub {
  public:
-  explicit StringCompareStub() {
-  }
+  StringCompareStub() { }
 
-  // Compare two flat ascii strings and returns result in eax after popping two
-  // arguments from the stack.
+  // Compares two flat ASCII strings and returns result in eax.
   static void GenerateCompareFlatAsciiStrings(MacroAssembler* masm,
                                               Register left,
                                               Register right,
@@ -384,6 +382,14 @@ class StringCompareStub: public CodeStub {
                                               Register scratch2,
                                               Register scratch3);
 
+  // Compares two flat ASCII strings for equality and returns result
+  // in eax.
+  static void GenerateFlatAsciiStringEquals(MacroAssembler* masm,
+                                            Register left,
+                                            Register right,
+                                            Register scratch1,
+                                            Register scratch2);
+
  private:
   Major MajorKey() { return StringCompare; }
   int MinorKey() { return 0; }