# funroll-all-loops

Unroll all loops even if the number of iterations is uncertain when the loop is entered.

## Syntax

Linux and macOS: | -funroll-all-loops

Windows: | None

## Arguments

None

## Default

OFF | Do not unroll all loops.

## Description

Unroll all loops, even if the number of iterations is uncertain when the loop is entered. There may a performance impact with this option.

## IDE Equivalent

None

## Alternate Options

None

Parent topic: Advanced Optimization Options