Add missing operation.

Bug 27227050

Change-Id: Id8b6357f25888801dec9bbedc5855faa58def62d
Reviewed-on: https://swiftshader-review.googlesource.com/4920
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Daniel Toyama <kenjitoyama@google.com>
1 file changed