Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series0/EZR32HG/EZR32HG220F64R67/AES/IFS#0x0
Interrupt Flag Set Register
Encryption/Decryption Done Interrupt Flag Set
https://github.com/cmsis-svd/cmsis-svd-data