3.8.1.7 XC8 C Compiler - Optimization

Optimization level

This selector allows you to choose the degree and types of optimization performed. See, for example, 3.6.6.1 O0: Level 0 Optimizations.

Prepare functions for garbage collection

Selecting this checkbox makes function memory allocation suitable for garbage collection. See 3.6.6.9 Function-sections Option.

Prepare data for garbage collection

Selecting this checkbox makes object memory allocation suitable for garbage collection. See 3.6.6.7 Data-sections Option.

Pack structure members together

This option has no effect for 8-bit AVR devices.

Allocate only as many bytes as needed by enum types

Enabling this option allocates the smallest possible integer type to an enum. See 3.6.13.1 Short-enums Option.