aeskeygenassist

AES Key Generation Assist

AESKEYGENASSIST xmm1, xmm2/m128, imm8

Generates round key for AES encryption.

Details

The AES Key Generation Assist instruction generates round key for AES encryption.

Pseudocode Operation

DEST <- AES key generation assist(SRC, imm8)

Example

AESKEYGENASSIST xmm1, xmm2/m128, 3

Encoding

Binary Layout
66
+0
0F
+1
3A
+2
DF
+3
 
Format AES-NI
Opcode 66 0F 3A DF
Extension AES-NI

Operands

  • dest
    128-bit XMM SIMD register
  • src1
    128-bit XMM SIMD register or Memory operand
  • src2
    8-bit signed immediate