Here is a little-known secret: The of XC8 v2.36 and later is actually quite good. While you cannot use -O3 or -Os , you can use:
Without this binding, the compiler reverts to the Free mode. mplab xc8 compiler activation key
MPLAB XC8 is a free, highly optimizing C compiler for 8-bit microcontrollers from Microchip. It's designed to work seamlessly with Microchip's MPLAB X IDE, providing a comprehensive development environment for creating applications. The compiler supports a wide range of Microchip's 8-bit microcontrollers, including the PIC16 and PIC18 series. Here is a little-known secret: The of XC8 v2
If you have legally purchased an activation key, follow these steps: you can use: Without this binding