enregister

To record on a register.

To store in a register of the CPU.

Enregistering a value during compilation of a program may improve runtime performance.

To become a register ("a style of a language used in a particular context").

Thus, by systematically labelling Singlish as 'broken English', official discourses enregister Singlish as a low-proficiency version of English and a hindrance to the nation's path toward globalisation.