d1029f9988
This lets you omit some ampersands and is more idiomatic C++. Using const also marks the function as not altering either register (which was obvious, but nice to enforce). Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Eric Anholt <eric@anholt.net>