SUBC	R1, R2                // b90b0021
	SUBC	$1, R1, R2            // ec21ffff00db
	SUBC	R2, R3, R4            // b9eb2043
	SUBW	R3, R4                // 1b43
	SUBW	R3, R4, R5            // b9f93054
	SUBW	$8192, R1             // c21500002000
	SUBW	$8192, R1, R2         // 1821c22500002000
	MULLW	R6, R7                // b91c0076
	MULLW	R6, R7, R8            // b9040087b91c0086

	STXRH R12, (R3), R8                        // 6c7c0848
	SUBW R20.UXTW<<2, R23, R19                 // f34a344b
	SUB R5.SXTW<<2, R1, R26                    // 3ac825cb
	SUB $(1923<<12), R4, R27                   // SUB $7876608, R4, R27         // 9b0c5ed1
	SUBW $(1923<<12), R4, R27                  // SUBW $7876608, R4, R27        // 9b0c5e51
	SUBW R12<<29, R7, R8                       // e8740c4b

	SUBW $7, (R11)                          // 6641832b07
	SUBW $7, DX                             // 6683ea07
	SUBW $7, R11                            // 664183eb07
	SUBW DX, (BX)                           // 662913
	SUBW R11, (BX)                          // 6644291b
	SUBW DX, (R11)                          // 66412913
	SUBW R11, (R11)                         // 6645291b

	SLLW	X5, X6, X7				// bb135300
	SRLW	X5, X6, X7				// bb535300
	SUBW	X5, X6, X7				// bb035340
	SRAW	X5, X6, X7				// bb535340
	ADDIW	$1, X6					// 1b031300
	SLLIW	$1, X6					// 1b131300
	SRLIW	$1, X6					// 1b531300
	SRAIW	$1, X6					// 1b531340
	ADDW	X5, X7					// bb835300
	SLLW	X5, X7					// bb935300
	SRLW	X5, X7					// bbd35300
	SUBW	X5, X7					// bb835340
	SRAW	X5, X7					// bbd35340

	ADDSW	R7@>2, R5, R16                                   // ERROR "unsupported shift operator"
	SUB	R7@>2, R5, R16                                   // ERROR "unsupported shift operator"
	SUBW	R7@>2, R5, R16                                   // ERROR "unsupported shift operator"
	SUBS	R7@>2, R5, R16                                   // ERROR "unsupported shift operator"

	ADDSW	R19.UXTW, R14, R17              // d141332b
	ADDS	R12.SXTX, R3, R1                // 61e02cab
	SUB	R19.UXTH<<4, R2, R21            // 553033cb
	SUBW	R1.UXTX<<1, R3, R2              // 6264214b
	SUBS	R3.UXTX, R8, R9                 // 096123eb
	SUBSW	R17.UXTH, R15, R21              // f521316b
	SUBW	ZR<<14, R19, R13                // 6d3a1f4b
	CMP	R2.SXTH, R13                    // bfa122eb
	CMN	R1.SXTX<<2, R10                 // 5fe921ab

checkGenericIsExpect() // Encryption key setup. var i int nk := len(key) / 4 for i = 0; i < nk; i++ { c.enc[i] = byteorder.BEUint32(key[4*i:]) } for ; i < c.roundKeysSize(); i++ { t := c.enc[i-1] if i%nk == 0 { t = subw(rotw(t)) ^ (uint32(powx[i/nk-1]) << 24) } else if nk > 6 && i%nk == 4 { t = subw(t) } c.enc[i] = c.enc[i-nk] ^ t } // Derive decryption key from encryption key. // Reverse the 4-word round key sets from enc to produce dec. // All sets but the first and last get the MixColumn transform applied....