n += a &^ (1 << 60)

	// amd64:"ANDQ\t[$]-2"
	n += a &^ (1 << 0)

	return n
}

func bitcompl64(a, b uint64) (n uint64) {
	// amd64:"BTCQ"
	n += b ^ (1 << (a & 63))

	// amd64:"BTCQ\t[$]63"
	n += a ^ (1 << 63)

	// amd64:"BTCQ\t[$]60"
	n += a ^ (1 << 60)

	// amd64:"XORQ\t[$]1"
	n += a ^ (1 << 0)

	return n
}

/************************************

	// amd64: `BTRQ\t\$63, 56\(AX\)`
	p[7] &^= 1 << 63

	// amd64: `XORQ\t\$8, 64\(AX\)`
	p[8] ^= 8
	// amd64: `XORQ\t\$1073741824, 72\(AX\)`
	p[9] ^= 1 << 30
	// amd64: `BTCQ\t\$31, 80\(AX\)`
	p[10] ^= 1 << 31
	// amd64: `BTCQ\t\$63, 88\(AX\)`
	p[11] ^= 1 << 63

	"BLSIL",
	"BLSIQ",
	"BLSMSKL",
	"BLSMSKQ",
	"BLSRL",
	"BLSRQ",
	"BOUNDL",
	"BOUNDW",
	"BSFL",
	"BSFQ",
	"BSFW",
	"BSRL",
	"BSRQ",
	"BSRW",
	"BSWAPL",
	"BSWAPQ",
	"BTCL",
	"BTCQ",
	"BTCW",
	"BTL",
	"BTQ",
	"BTRL",
	"BTRQ",
	"BTRW",
	"BTSL",
	"BTSQ",
	"BTSW",
	"BTW",
	"BYTE",
	"BZHIL",
	"BZHIQ",
	"CBW",
	"CDQ",
	"CDQE",
	"CLAC",
	"CLC",
	"CLD",

		{name: "BTCL", argLength: 2, reg: gp21, asm: "BTCL", resultInArg0: true, clobberFlags: true},                   // complement bit arg1%32 in arg0
		{name: "BTCQ", argLength: 2, reg: gp21, asm: "BTCQ", resultInArg0: true, clobberFlags: true},                   // complement bit arg1%64 in arg0

	BTCL R11, R11                           // 450fbbdb
	BTCQ $7, (BX)                           // 480fba3b07
	BTCQ $7, (R11)                          // 490fba3b07
	BTCQ $7, DX                             // 480fbafa07
	BTCQ $7, R11                            // 490fbafb07
	BTCQ DX, (BX)                           // 480fbb13
	BTCQ R11, (BX)                          // 4c0fbb1b
	BTCQ DX, (R11)                          // 490fbb13

	if tp.mask == 0 {
		return tp, 0
	}
	// BSFQ
	var i int
	if goarch.PtrSize == 8 {
		i = sys.TrailingZeros64(uint64(tp.mask))
	} else {
		i = sys.TrailingZeros32(uint32(tp.mask))
	}
	// BTCQ
	tp.mask ^= uintptr(1) << (i & (ptrBits - 1))
	// LEAQ (XX)(XX*8)
	return tp, tp.addr + uintptr(i)*goarch.PtrSize
}

// next advances the pointers iterator, returning the updated iterator and

		return true
	}
	return false
}
func rewriteValueAMD64_OpAMD64XORQ(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (XORQ (SHLQ (MOVQconst [1]) y) x)
	// result: (BTCQ x y)
	for {
		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
			if v_0.Op != OpAMD64SHLQ {
				continue
			}
			y := v_0.Args[1]
			v_0_0 := v_0.Args[0]

				{1, 49135}, // AX CX DX BX BP SI DI R8 R9 R10 R11 R12 R13 R15
			},
			outputs: []outputInfo{
				{0, 49135}, // AX CX DX BX BP SI DI R8 R9 R10 R11 R12 R13 R15
			},
		},
	},
	{
		name:         "BTCQ",
		argLen:       2,
		resultInArg0: true,
		clobberFlags: true,
		asm:          x86.ABTCQ,
		reg: regInfo{
			inputs: []inputInfo{
				{0, 49135}, // AX CX DX BX BP SI DI R8 R9 R10 R11 R12 R13 R15