AESENC

REG0=XMM_R():rw:dq REG1=XMM_B():r:dq REG0=XMM_R():rw:dq MEM0:r:dq

x86_64 X86_LEGACY AES AES source: xed

XED_AESENC_X86_LEGACY_0F38_DC_102818

Encoding

encoding_kindX86_LEGACY
opcode_bytesDC 0F 38 DC
opcode_map0F38
mandatory_prefix-
has_modrmTrue
attributesREQUIRES_ALIGNMENT
exception_classSSE_TYPE_4
cpl3
raw_encoding0x0F 0x38 0xDC osz_refining_prefix MOD[0b11] MOD=3 REG[rrr] RM[nnn] REFINING66() 0x0F 0x38 0xDC osz_refining_prefix MOD[mm] MOD!=3 REG[rrr] RM[nnn] REFINING66() MODRM()

Operands (4)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG RW EXPLICIT MODRM_REG
1 REG1 REG R EXPLICIT MODRM_REG
2 REG2 REG RW EXPLICIT MODRM_REG
3 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.