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>
"avx512bitalg", NULL, "avx512-vpopcntdq", NULL,
"la57", NULL, NULL, NULL,
NULL, NULL, "rdpid", NULL,
- NULL, "cldemote", NULL, NULL,
+ NULL, "cldemote", NULL, "movdiri",
NULL, NULL, NULL, NULL,
},
.cpuid = {
#define CPUID_7_0_ECX_LA57 (1U << 16)
#define CPUID_7_0_ECX_RDPID (1U << 22)
#define CPUID_7_0_ECX_CLDEMOTE (1U << 25) /* CLDEMOTE Instruction */
+#define CPUID_7_0_ECX_MOVDIRI (1U << 27) /* MOVDIRI Instruction */
#define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) /* AVX512 Neural Network Instructions */
#define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) /* AVX512 Multiply Accumulation Single Precision */