VPMADD52HUQ X7, X11, K1, X18                       // 62e2a509b5d7
	VPMADD52HUQ X0, X11, K1, X18                       // 62e2a509b5d0
	VPMADD52HUQ 17(SP)(BP*2), X11, K1, X18             // 62e2a509b5946c11000000
	VPMADD52HUQ -7(DI)(R8*4), X11, K1, X18             // 62a2a509b59487f9ffffff
	VPMADD52HUQ X7, X31, K1, X18                       // 62e28501b5d7
	VPMADD52HUQ X0, X31, K1, X18                       // 62e28501b5d0

	VPMULTISHIFTQB X14, X20, K5, X0                    // 62d2dd0583c6
	VPMULTISHIFTQB 17(SP)(BP*1), X20, K5, X0           // 62f2dd0583842c11000000
	VPMULTISHIFTQB -7(CX)(DX*8), X20, K5, X0           // 62f2dd058384d1f9ffffff
	VPMULTISHIFTQB X9, X7, K5, X0                      // 62d2c50d83c1
	VPMULTISHIFTQB X7, X7, K5, X0                      // 62f2c50d83c7

	VGF2P8AFFINEQB $82, X19, X0, K1, X0                // 62b3fd09cec352
	VGF2P8AFFINEQB $82, 17(SP)(BP*2), X0, K1, X0       // 62f3fd09ce846c1100000052
	VGF2P8AFFINEQB $82, -7(DI)(R8*4), X0, K1, X0       // 62b3fd09ce8487f9ffffff52
	VGF2P8AFFINEQB $82, X22, X28, K1, X0               // 62b39d01cec652
	VGF2P8AFFINEQB $82, X7, X28, K1, X0                // 62f39d01cec752

	VRCP28SD X11, X14, K4, X19                         // 62c28d0ccbdb
	VRCP28SD X17, X14, K4, X19                         // 62a28d0ccbd9
	VRCP28SD X25, X0, K4, X19                          // 6282fd0ccbd9
	VRCP28SD X11, X0, K4, X19                          // 62c2fd0ccbdb
	VRCP28SD X17, X0, K4, X19                          // 62a2fd0ccbd9
	VRCP28SD X25, X14, K4, X13                         // 62128d0ccbe9

	{"[k3-k6]", "register list: bad low register in `[k3`"},
	{"[X0]", "register list: expected '-' after `[X0`, found ']'"},
	{"[X0-]", "register list: bad high register in `[X0-]`"},
	{"[X0-x]", "register list: bad high register in `[X0-x`"},
	{"[X0-X1-X2]", "register list: expected ']' after `[X0-X1`, found '-'"},
	{"[X0,X3]", "register list: expected '-' after `[X0`, found ','"},
	{"[X0,X1,X2,X3]", "register list: expected '-' after `[X0`, found ','"},

	VAESDEC X24, X0, X31                               // 62027d08def8 or 6202fd08def8
	VAESDEC X20, X0, X31                               // 62227d08defc or 6222fd08defc
	VAESDEC X7, X0, X31                                // 62627d08deff or 6262fd08deff
	VAESDEC -7(DI)(R8*1), X0, X31                      // 62227d08debc07f9ffffff or 6222fd08debc07f9ffffff

	VPDPBUSDS X25, X0, K4, X19                         // 62827d0c51d9
	VPDPBUSDS X11, X0, K4, X19                         // 62c27d0c51db
	VPDPBUSDS X17, X0, K4, X19                         // 62a27d0c51d9
	VPDPBUSDS 7(AX)(CX*4), X0, K4, X19                 // 62e27d0c519c8807000000
	VPDPBUSDS 7(AX)(CX*1), X0, K4, X19                 // 62e27d0c519c0807000000

	VPSHUFBITQMB X0, X7, K6, K0                        // 62f2450e8fc0
	VPSHUFBITQMB (R8), X7, K6, K0                      // 62d2450e8f00
	VPSHUFBITQMB 15(DX)(BX*2), X7, K6, K0              // 62f2450e8f845a0f000000
	VPSHUFBITQMB X24, X13, K6, K0                      // 6292150e8fc0
	VPSHUFBITQMB X7, X13, K6, K0                       // 62f2150e8fc7
	VPSHUFBITQMB X0, X13, K6, K0                       // 62f2150e8fc0

	const size = 12 * 1024 * 1024
	b.Run(" 00|00 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 0, 0, size, b) })
	b.Run(" 00|X0 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 0, 1, size, b) })
	b.Run(" X0|00 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 1, 0, size, b) })
	b.Run(" X0|X0 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 1, 1, size, b) })
}

func BenchmarkErasureDecode_4_64KB(b *testing.B) {

	VPCONFLICTQ X11, K4, X0                            // 62d2fd0cc4c3
	VPCONFLICTQ X16, K4, X0                            // 62b2fd0cc4c0
	VPCONFLICTQ X6, K4, X0                             // 62f2fd0cc4c6
	VPCONFLICTQ 15(R8)(R14*8), K4, X0                  // 6292fd0cc484f00f000000
	VPCONFLICTQ -15(R14)(R15*2), K4, X0                // 6292fd0cc4847ef1ffffff