Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFR32ZG13L/EFR32ZG13L231F512GM32/PRORTC/IF#0x0
Interrupt Flag Register
Overflow Interrupt Flag
Compare Match X Interrupt Flag
https://github.com/cmsis-svd/cmsis-svd-data