re-disambiguate iclasses for FPCLASS{PD,PS} mem forms
re-disambiguate iclasses for FPCLASS{PD,PS} mem forms

Change-Id: I258a7edb3ee9ff248b9744c7066387e481c09f6f
(cherry picked from commit 8f68da3078fa4b881f3d084304c2037e942ef01f)

intelxed/xed,intelxed/xed,intelxed/xed,intelxed/xed