Start IA32 implemenetation of regexp2k

regexp2000/src/assembler-ia32-inl.h

Index: regexp2000/src/assembler-ia32-inl.h
diff --git a/regexp2000/src/assembler-ia32-inl.h b/regexp2000/src/assembler-ia32-inl.h
index 9b3567a89f25b6c2c46e61e8a79e2af71c22fe49..534d57e566f8c73d751604248d3834b11f751430 100644
--- a/regexp2000/src/assembler-ia32-inl.h
+++ b/regexp2000/src/assembler-ia32-inl.h
@@ -205,6 +205,14 @@ void Assembler::emit(const Immediate& x) {
 }
 
 
+void Assembler::emit_w(const Immediate& x) {
+  ASSERT(x.rmode_ == RelocInfo::NONE);
+  uint16_t value = static_cast<uint16_t>(x.x_);
+  reinterpret_cast<uint16_t*>(pc_)[0] = value;
+  pc_ += sizeof(uint16_t);
+}
+
+
 Address Assembler::target_address_at(Address pc) {
   return pc + sizeof(int32_t) + *reinterpret_cast<int32_t*>(pc);
 }