Intel® Fortran Compiler Classic and Intel® Fortran Compiler Developer Guide and Reference

ID 767251
Date 7/13/2023
Public

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Document Table of Contents

mbranches-within-32B-boundaries, Qbranches-within-32B-boundaries

Tells the compiler to align branches and fused branches on 32-byte boundaries for better performance.

Syntax

Linux:

-mbranches-within-32B-boundaries

-mno-branches-within-32B-boundaries

macOS:

-mbranches-within-32B-boundaries

-mno-branches-within-32B-boundaries

Windows:

/Qbranches-within-32B-boundaries

/Qbranches-within-32B-boundaries-

Arguments

None

Default

-mno-branches-within-32B-boundaries
or /Qbranches-within-32B-boundaries-

Branches and fused branches are not aligned on 32-byte boundaries.

Description

This option tells the compiler to align branches and fused branches on 32-byte boundaries for better performance.

NOTE:

When you use this option, it may affect binary utilities usage experience, such as debugability.

NOTE:

This option only applies to host compilation. When offloading is enabled, it does not impact device-specific compilation. Offloading can only be enabled when using ifx.

IDE Equivalent

None

Alternate Options

None