‑‑core
In this section:
Syntax
See the syntax description for the compiler option ‑‑core , ‑‑core.
Description
Use this option to specify which processor core extensions the code will be generated for. Code that requires extensions that you have not specified using this option, will be rejected by the assembler. Note that all modules of your application must use the same parameters.
Caution
Project>Options>General Options>Target>Device