Eliminate redundant register set argument passing.

Bug 22652760

Change-Id: If6bf124c3218847ecc4af0ae16102452a6b344d9
Reviewed-on: https://swiftshader-review.googlesource.com/4558
Tested-by: Nicolas Capens <capn@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
6 files changed