Implement $ for non-multiline.

src/regexp-macro-assembler-ia32.cc

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 218 matching lines @@
     __ add(ecx, Operand(ecx));
   }
   __ rep_cmpsb();
   __ pop(esi);
   __ mov(edi, Operand(ebx));
   BranchOrBacktrack(not_equal, on_no_match);
   __ bind(&fallthrough);
 }
 
 
+void RegExpMacroAssemblerIA32::CheckNotRegistersEqual(int reg1,
+                                                      int reg2,
+                                                      Label* on_not_equal) {
+  __ mov(eax, register_location(reg1));
+  __ mov(ecx, register_location(reg2));
+  __ cmp(ecx, Operand(eax));
+  BranchOrBacktrack(not_equal, on_not_equal);
+}
+
+
 void RegExpMacroAssemblerIA32::CheckNotCharacter(uc16 c, Label* on_not_equal) {
   __ cmp(edx, c);
   BranchOrBacktrack(not_equal, on_not_equal);
 }
 
 
 void RegExpMacroAssemblerIA32::CheckNotCharacterAfterOr(uc16 c,
                                                         uc16 mask,
                                                         Label* on_not_equal) {
   __ mov(eax, Operand(edx));
@@ skipping 383 matching lines @@
 
 
 void RegExpMacroAssemblerIA32::LoadConstantBufferAddress(Register reg,
                                                          ArraySlice* buffer) {
   __ mov(reg, buffer->array());
   __ add(Operand(reg), Immediate(buffer->base_offset()));
 }
 
 #undef __
 }}  // namespace v8::internal