BTCW R11, R11                           // 66450fbbdb
	BTCL $7, (BX)                           // 0fba3b07
	BTCL $7, (R11)                          // 410fba3b07
	BTCL $7, DX                             // 0fbafa07
	BTCL $7, R11                            // 410fbafb07
	BTCL DX, (BX)                           // 0fbb13
	BTCL R11, (BX)                          // 440fbb1b
	BTCL DX, (R11)                          // 410fbb13

		return true
	}
	return false
}
func rewriteValueAMD64_OpAMD64XORL(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (XORL (SHLL (MOVLconst [1]) y) x)
	// result: (BTCL x y)
	for {
		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
			if v_0.Op != OpAMD64SHLL {
				continue
			}
			y := v_0.Args[1]
			v_0_0 := v_0.Args[0]