encgen: more one operand legacy operations
encgen: more one operand legacy operations

Change-Id: I992a5d594221ddf541cd472125095237a1c7d295
(cherry picked from commit 881507a1a5e2b2cd100245cec359165aa4ef71da)

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