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![Liu Jingqi](/assets/img/avatar_default.png)
MOVDIRI moves doubleword or quadword from register to memory through direct store which is implemented by using write combining (WC) for writing data directly into memory without caching the data. The bit definition: CPUID.(EAX=7,ECX=0):ECX[bit 27] MOVDIRI The release document ref below link: https://software.intel.com/sites/default/files/managed/c5/15/\ architecture-instruction-set-extensions-programming-reference.pdf Cc: Xu Tao <tao3.xu@intel.com> Signed-off-by: Liu Jingqi <jingqi.liu@intel.com> Message-Id: <1541488407-17045-2-git-send-email-jingqi.liu@intel.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>