You copied the Doc URL to your clipboard.

AESE

AES single round encryption.

313029282726252423222120191817161514131211109876543210
0100111000101000010010RnRd
D

Advanced SIMD

AESE <Vd>.16B, <Vn>.16B

integer d = UInt(Rd);
integer n = UInt(Rn);
if !HaveAESExt() then UNDEFINED;
boolean decrypt = (D == '1');

Assembler Symbols

<Vd>

Is the name of the SIMD&FP source and destination register, encoded in the "Rd" field.

<Vn>

Is the name of the second SIMD&FP source register, encoded in the "Rn" field.

Operation

AArch64.CheckFPAdvSIMDEnabled();

bits(128) operand1 = V[d];
bits(128) operand2 = V[n];
bits(128) result;
result = operand1 EOR operand2;
if decrypt then
    result = AESInvSubBytes(AESInvShiftRows(result));
else
    result = AESSubBytes(AESShiftRows(result));

V[d] = result;

Operational information

If PSTATE.DIT is 1:

  • The execution time of this instruction is independent of:
    • The values of the data supplied in any of its registers.
    • The values of the NZCV flags.
  • The response of this instruction to asynchronous exceptions does not vary based on:
    • The values of the data supplied in any of its registers.
    • The values of the NZCV flags.