* Fixes and tweaks to regexp-ia32.

src/regexp-macro-assembler-ia32.h

Index: src/regexp-macro-assembler-ia32.h
diff --git a/src/regexp-macro-assembler-ia32.h b/src/regexp-macro-assembler-ia32.h
index de653d57044ef83441fa48f7943ca2733d5d2015..44dd941f955486d36c93bb1cd4e8a1cde0689fd5 100644
--- a/src/regexp-macro-assembler-ia32.h
+++ b/src/regexp-macro-assembler-ia32.h
@@ -88,6 +88,19 @@ class RegExpMacroAssemblerIA32: public RegExpMacroAssembler {
   virtual void WriteCurrentPositionToRegister(int reg);
   virtual void WriteStackPointerToRegister(int reg);
 
+  template <typename T>
+  static inline bool Execute(Code* code,
+                             T** input,
+                             int start_offset,
+                             int end_offset,
+                             int* output,
+                             bool at_start) {
+    typedef bool (*matcher)(T**, int, int, int*, int);
+    matcher matcher_func = FUNCTION_CAST<matcher>(code->entry());
+    int at_start_val = at_start ? 1 : 0;
+    return matcher_func(input, start_offset, end_offset, output, at_start_val);
+  }
+
  private:
   // Offsets from ebp of arguments to function.
   static const int kBackup_ebx = sizeof(uint32_t);
@@ -98,6 +111,7 @@ class RegExpMacroAssemblerIA32: public RegExpMacroAssembler {
   static const int kInputStartOffset = kInputBuffer + sizeof(uint32_t);
   static const int kInputEndOffset = kInputStartOffset + sizeof(uint32_t);
   static const int kRegisterOutput = kInputEndOffset + sizeof(uint32_t);
+  static const int kAtStart = kRegisterOutput + sizeof(uint32_t);
 
   // Initial size of code buffer.
   static const size_t kRegExpCodeSize = 1024;
@@ -114,10 +128,6 @@ class RegExpMacroAssemblerIA32: public RegExpMacroAssembler {
   // Byte size of chars in the string to match (decided by the Mode argument)
   size_t char_size();
 
-  // Records that a register is used. At the end, we need the number of
-  // registers used.
-  void RecordRegister(int register_index);
-
   // Equivalent to a conditional branch to the label, unless the label
   // is NULL, in which case it is a conditional Backtrack.
   void BranchOrBacktrack(Condition condition, Label* to);