DGH

DGH is a hint instruction. A DGH instruction 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 v32.13, AdvSIMD v29.05, pseudocode v2020-12, sve v2020-12 ; Build timestamp: 2020-12-16T16:53

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