MOVNTDQA

REG0=XMM_R():w:dq MEM0:r:dq

x86_64 X86_LEGACY SSE SSE4 source: xed

XED_MOVNTDQA_X86_LEGACY_0F38_2A_458922

Encoding

encoding_kindX86_LEGACY
opcode_bytes2A
opcode_map0F38
mandatory_prefix-
has_modrmTrue
attributesREQUIRES_ALIGNMENT NOTSX NONTEMPORAL
exception_classSSE_TYPE_1
cpl3
raw_encoding0x0F 0x38 0x2A osz_refining_prefix REFINING66() MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM()

Operands (2)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG w W EXPLICIT MODRM_REG
1 MEM0 MEM R EXPLICIT MODRM_RM

Micro-ops sequence (0)

No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.