gf2p8affineinvqb

Galois Field Affine Transformation Inverse

GF2P8AFFINEINVQB xmm1, xmm2/m128, imm8

Computes inverse affine transformation in GF(2^8).

Details

The Galois Field Affine Transformation Inverse instruction computes inverse affine transformation in GF(2^8).

Pseudocode Operation

// Computes inverse affine transformation in GF(2^8)

Example

GF2P8AFFINEINVQB xmm1, xmm2/m128, 3

Encoding

Binary Layout
66
+0
0F
+1
3A
+2
CF
+3
 
Format VEX
Opcode 66 0F 3A CF
Extension GFNI

Operands

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