ADD	R4, R0, R0
	B	try_zva

tail_maybe_long:
	CMP	$64, R1
	BHS	no_zva

tail63:
	ANDS	$48, R1, R3
	BEQ	last16
	CMPW	$32, R3
	BEQ	last48
	BLT	last32
	STP.P	(ZR, ZR), 16(R0)
last48:
	STP.P	(ZR, ZR), 16(R0)
last32:
	STP.P	(ZR, ZR), 16(R0)
	// The last store length is at most 16, so it is safe to use
	// stp to write last 16 bytes
last16:
	ANDS	$15, R1, R1
	CBZ	R1, last_end
	ADD	R1, R0, R0

        // HFS and HFS+ on macOS
        "hfs",
        "ext3",
        "ext4",
        "btrfs",
        "xfs",
        // NTFS on macOS
        "ntfs",
        // NTFS on Windows
        "NTFS",
        // FAT32 on macOS
        "msdos",
        // exFAT on macOS
        "exfat",
        // VirtualBox FS
        "vboxsf"
    );

    private final FileSystems fileSystems;