JZ    aligned

not_aligned:
	TESTQ $7, DX           // AND $7 & len, if not zero jump to loop_1b.
	JNE   loop_1b
	SUBQ  $8, DX           // XOR 8bytes backwards.
	MOVQ  (SI)(DX*1), DI
	MOVQ  (CX)(DX*1), AX
	XORQ  AX, DI
	MOVQ  DI, (BX)(DX*1)
	CMPQ  DX, $16          // if len is greater or equal 16 here, it must be aligned.
	JGE   aligned

ret:

        String aligned = new DefaultPathTranslator().alignToBaseDirectory("${basedir}", basedir);

        assertEquals(basedir.getAbsolutePath(), aligned);
    }

    @Test
    void testAlignToBasedirWhereBasedirExpressionIsTheValuePrefix() {
        File basedir = new File(System.getProperty("java.io.tmpdir"), "test").getAbsoluteFile();

	SUBVU	R5, R4, R7
	AND	$7, R7
	BNE	R7, out

	// if less than 8 bytes, do byte copying
	SGTU	$8, R6, R7
	BNE	R7, out

	// do one byte at a time until 8-aligned
	AND	$7, R4, R8
	BEQ	R8, words
	MOVB	(R5), R7
	ADDV	$1, R5
	MOVB	R7, (R4)
	ADDV	$1, R4
	JMP	-6(PC)

words:
	// do 8 bytes at a time if there is room
	ADDV	$-7, R9, R6 // R6 is end pointer-7

// Both must be aligned to pallocChunkBytes.
//
// The caller must update p.start and p.end after calling sysGrow.
func (p *pageAlloc) sysGrow(base, limit uintptr) {
	if base%pallocChunkBytes != 0 || limit%pallocChunkBytes != 0 {
		print("runtime: base = ", hex(base), ", limit = ", hex(limit), "\n")
		throw("sysGrow bounds not aligned to pallocChunkBytes")
	}

	MOV	$8, X9
	BLT	X11, X9, check4

	// Check alignment
	AND	$7, X10, X5
	BEQZ	X5, aligned

	// Zero one byte at a time until we reach 8 byte alignment.
	SUB	X5, X9, X5
	SUB	X5, X11, X11
align:
	SUB	$1, X5
	MOVB	ZERO, 0(X10)
	ADD	$1, X10
	BNEZ	X5, align

aligned:
	// X9 already contains $8
	BLT	X11, X9, check4
	MOV	$16, X9
	BLT	X11, X9, zero8
	MOV	$32, X9

	BEQ	aligned			// aligned detected - skip copy

	// Copy the unaligned source data into the aligned temporary buffer
	// memmove(to=4(R13), from=8(R13), n=12(R13)) - Corrupts all registers
	MOVW	$buf, Rtable	// to
	MOVW	$64, Rc0		// n
	MOVM.IB	[Rtable,Rdata,Rc0], (R13)
	BL	runtime·memmove(SB)

	// Point to the local aligned copy of the data
	MOVW	$buf, Rdata

aligned:

//     field's size. As with all element types, if the struct is used
//     in an array its size must first be aligned to a multiple of the
//     struct's alignment.
//   - All other types have size WordSize.
//   - Arrays and structs are aligned per spec definition; all other
//     types are naturally aligned with a maximum alignment MaxAlign.
//
// *StdSizes implements Sizes.
type StdSizes struct {

					}

					d := make([]byte, alignD+n, alignD+n+10)
					for i := range d {
						d[i] = 0xdd
					}
					want := make([]byte, len(d), cap(d))
					copy(want[:cap(want)], d[:cap(d)])
					for i := 0; i < n; i++ {
						want[alignD+i] = p[i] ^ q[i]
					}

					if XORBytes(d[alignD:], p, q); !bytes.Equal(d, want) {

	// If the output contains this pattern, the pc-offsite of "MOVD $1, R1" is 8 bytes aligned.
	out1 := `0x0008\s00008\s\(.*\)\tMOVD\t\$1,\sR1`
	// If the output contains this pattern, the pc-offsite of "MOVD $2, R2" is 16 bytes aligned.
	out2 := `0x0010\s00016\s\(.*\)\tMOVD\t\$2,\sR2`
	var testCases = []struct {
		name string
		code []byte
		out  string
	}{

	// jump directly to tail if length < 32
	BLO	tail
	ANDS	$0x1f, R0, R9
	BEQ	chunk
	// Work with not 32-byte aligned head
	BIC	$0x1f, R0, R3
	ADD	$0x20, R3
	PCALIGN $16
head_loop:
	MOVBU.P	1(R0), R5
	CMP	R5, R1
	CINC	EQ, R11, R11
	SUB	$1, R2, R2
	CMP	R0, R3
	BNE	head_loop
	// Work with 32-byte aligned chunks
chunk:
	BIC	$0x1f, R2, R9
	// The first chunk can also be the last
	CBZ	R9, tail