Intel® C++ Compiler Classic Developer Guide and Reference

ID 767249
Date 12/16/2022
Public

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Document Table of Contents

ffnalias, Ow

Determines whether aliasing is assumed within functions.

Syntax

Linux:

-ffnalias

-fno-fnalias

macOS:

-ffnalias

-fno-fnalias

Windows:

/Ow

/Ow-

Arguments

None

Default

-ffnalias
or /Ow

Aliasing is assumed within functions.

Description

This option determines whether aliasing is assumed within functions.

If you specify -fno-fnalias or /Ow-, aliasing is not assumed within functions, but it is assumed across calls.

If you specify -ffnalias or /Ow, aliasing is assumed within functions.

IDE Equivalent
None
Alternate Options

None

See Also