opt-prefetch-next-iteration, Qopt-prefetch-next-iteration

Enables or disables prefetches for a memory access in the next iteration of a loop.

IDE Equivalent

None

Architectures

IA-64 architecture

Syntax

Linux:

-opt-prefetch-next-iteration

-no-opt-prefetch-next-iteration

Mac OS X:

None

Windows:

/Qopt-prefetch-next-iteration

/Qopt-prefetch-next-iteration-

Arguments

None

Default

-opt-prefetch-next-iteration
or/Qopt-prefetch-next-iteration

Prefetches are issued for a memory access in the next iteration of a loop.

Description

This option enables or disables prefetches for a memory access in the next iteration of a loop. It is typically used in a pointer-chasing loop.

When -O1 or higher is specified on IA-64 architecture, prefetches are issued for a memory access in the next iteration of a loop. To disable these prefetches, specify -no-opt-prefetch-next-iteration (Linux) or /Qopt-prefetch-next-iteration- (Windows).

Alternate Options

None