DGH

Data Gathering Hint 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)

313029282726252423222120191817161514131211109876543210
11010101000000110010000011011111
CRmop2

DGH

if !HaveDGHExt() then EndOfInstruction();

Operation

Hint_DGH();


Internal version only: isa v33.64, AdvSIMD v29.12, pseudocode v2023-06_rel, sve v2023-06_rel ; Build timestamp: 2023-07-04T19:42

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