Do not align 64-bit registers during instruction expansion

- The reordering performs during instruction expansion is not correct
for all instructions, in particular for xxx/range instructions that
require sequential registers.

(cherry picked from commit 26a4440a703ed98d19b2b77b4398ad42e8367f5d)

Change-Id: Ida3c8a1abfb78a7b119c463b19030572d3fbc40e
2 files changed