Enables generation of prefetching instructions such as dcbt and dcbz in compiled code.
.-prefetch---. >>- -q--+-noprefetch-+-----------------------------------------><
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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