DGH

Data gathering hint

This instruction is a hint instruction that indicates that it is not expected to be performance optimal to merge memory accesses with Normal Non-cacheable or Device-GRE attributes appearing in program order before the hint instruction with any memory accesses appearing after the hint instruction into a single memory transaction on an interconnect.

System
(FEAT_DGH)

Decode for this encoding

if !IsFeatureImplemented(FEAT_DGH) then EndOfDecode(Decode_NOP);