hg: panama/dev: Fix x86.ad todos.

[sandhya.viswanathan at intel.com]

Changeset: dd3a25eed615
Author:    sviswanathan
Date:      2020-04-02 16:07 -0700
URL:       https://hg.openjdk.java.net/panama/dev/rev/dd3a25eed615

Fix x86.ad todos.

! src/hotspot/cpu/x86/x86.ad