Developer Guide and Reference

Contents

mauto-arch, Qauto-arch

Tells the compiler to generate multiple, feature-specific auto-dispatch code paths for x86 architecture processors if there is a performance benefit.

Syntax

Linux and macOS:
-mauto-arch
=
value
Windows:
/Qauto-arch
:
value
Arguments
value
Is any setting you can specify for option
[Q]ax
.
Default
OFF
No additional execution path is generated.
Description
This option tells the compiler to generate multiple, feature-specific auto-dispatch code paths for x86 architecture processors if there is a performance benefit. It also generates a baseline code path.
This option cannot be used together with any options that may require Intel-specific optimizations (such as
[Q]x
or
[Q]ax
).
Alternate Options
None