MOVDIR64B moves 64-bytes as direct-store with 64-bytes write atomicity.
Direct store is implemented by using write combining (WC) for writing
data directly into memory without caching the data.
Availability of the MOVDIR64B instruction is indicated by the presence
of the CPUID feature flag
MOVDIR64B moves 64-bytes as direct-store with 64-bytes write atomicity.
Direct store is implemented by using write combining (WC) for writing
data directly into memory without caching the data.
Availability of the MOVDIR64B instruction is indicated by the presence
of the CPUID feature flag
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