aesimc

AES Inverse Mix Columns

AESIMC xmm1, xmm2/m128

Performs AES InvMixColumns transformation (decryption helper).

Details

The AES Inverse Mix Columns instruction performs AES InvMixColumns transformation (decryption helper).

Pseudocode Operation

DEST <- AES inverse MixColumns(SRC)

Example

AESIMC xmm1, xmm2/m128

Encoding

Binary Layout
66
+0
0F
+1
38
+2
DB
+3
 
Format AES-NI
Opcode 66 0F 38 DB
Extension AES-NI

Operands

  • dest
    128-bit XMM SIMD register
  • src
    128-bit XMM SIMD register or Memory operand