-qprefetch

Description

Enables generation of prefetching instructions such as dcbt and dcbz in compiled code.

Syntax

Read syntax diagramSkip visual syntax diagram        .-prefetch---.
>>- -q--+-noprefetch-+-----------------------------------------><

Notes

By default, the compiler may insert prefetch instructions in compiled code. The -qnoprefetch option lets you disable this feature.

The -qnoprefetch option will not prevent built-in functions such as __prefetch_by_stream() from generating prefetch instructions.

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