R14, (R16)(BLK_OUT) ADD $4, R16 ADD $-4, IN_LEN next2: CMP IN_LEN, $2 BLT next1 MOVHZ (BLK_INP)(R16), R15 MOVHZ (MASK_PTR)(R16), R14 XOR R14, R15, R14 MOVH R14, (R16)(BLK_OUT) ADD $2, R16 ADD $-2, IN_LEN next1: CMP IN_LEN, $1 BLT done MOVBZ (MASK_PTR)(R16), R14 MOVBZ (BLK_INP)(R16), R15 XOR R14, R15, R14 MOVB R14, (R16)(BLK_OUT) #endif done: // Save the updated counter value P8_STXVB16X(V30, COUNTER, R0) // Clear the keys XXLXOR VS0, VS0, VS0 XXLXOR VS1, VS1, VS1 XXLXOR VS2, VS2, VS2 XXLXOR VS3, VS3,...