diff --git a/pysrc/generator.py b/pysrc/generator.py
index f2fcd93..fff7e6b 100755
--- a/pysrc/generator.py
+++ b/pysrc/generator.py
@@ -6342,6 +6342,38 @@ def main():
    agi.close_output_files()
    agi.dump_generated_files()
 
+   generated_iforms = set()
+   with open('iform-type-dump.txt', 'w') as f:
+      for generator in agi.generator_list:
+         ii = generator.parser_output.instructions[0]
+         if not field_check(ii,'iclass'):
+            continue
+         for ii in generator.parser_output.instructions:
+
+            if ii.iform_enum in generated_iforms:
+               continue
+            else:
+               generated_iforms.add(ii.iform_enum)
+
+            f.write('INTRINSIC_XED_IFORM_' + ii.iform_enum)
+            f.write('\n')
+            s = str(ii.ipattern_input)
+            for field in s.split(' '):
+               if field.startswith('VL'):
+                  f.write(field + '\n')
+
+            for operand in ii.operands:
+               # if operand.xtype != None and operand.xtype != 'INVALID':
+               if operand.xtype != None:
+                  width_hint = ''
+                  if operand.oc2 != None:
+                     width_hint = str(operand.oc2)
+                  elif operand.lookupfn_name != None:
+                     width_hint = str(operand.lookupfn_name)
+                  if width_hint != '':
+                     f.write('\t' + str(operand.xtype) + '\t' + operand.rw + '\t' + width_hint + '\n')
+            f.write('\n')
+
 ################################################
 
 if __name__ == '__main__':