NGC Negate with carry This instruction negates the sum of a register value and the value of NOT (Carry flag), and writes the result to the destination register. 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. SBC 1 0 1 1 0 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 NGC <Wd>, <Wm> SBC <Wd>, WZR, <Wm> Unconditionally 1 NGC <Xd>, <Xm> SBC <Xd>, XZR, <Xm> Unconditionally <Wd> Is the 32-bit name of the general-purpose destination register, encoded in the "Rd" field. <Wm> Is the 32-bit name of the general-purpose source register, encoded in the "Rm" field. <Xd> Is the 64-bit name of the general-purpose destination register, encoded in the "Rd" field. <Xm> Is the 64-bit name of the general-purpose source register, encoded in the "Rm" field.