Move loop register usage to relative addressing.

Bug 22652760

Change-Id: I50c6935bac91f586953b0dd2abd0d2a859468ee1
Reviewed-on: https://swiftshader-review.googlesource.com/4579
Tested-by: Nicolas Capens <capn@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
2 files changed