prefetch

Emit prefetch instruction.

version(D_SIMD)

void

prefetch

(

bool writeFetch

ubyte locality

)

(

const(void)* address

)

Parameters

address const(void)*

address to be prefetched

writeFetch

true for write fetch, false for read fetch

locality

0..3 (0 meaning least local, 3 meaning most local) Note: The Intel mappings are:

$(THEAD writeFetch, locality, Instruction) $(TROW false, 0, prefetchnta) $(TROW false, 1, prefetch2) $(TROW false, 2, prefetch1) $(TROW false, 3, prefetch0) $(TROW true, 0, prefetchw) $(TROW true, 1, prefetchw) $(TROW true, 2, prefetchw) $(TROW true, 3, prefetchw)

prefetch

Parameters

Meta

Source