Development Tools

-unpack

[Format]

-unpack

[Default]

The boundary alignment value for structures and classes equals the maximum boundary alignment value for members.

[Description]

-	This option specifies the boundary alignment value for structure members and class members.

-	The boundary alignment value for structures and classes equals the maximum boundary alignment value for members.

[Remarks]

-	The boundary alignment values for structure members and class members when these options are specified are shown in the following table.

Table 2.8

Boundary Alignment Values for Structure Members and Class Members When the unpack Option is Specified

Member Type	unpack	Not Specified
(signed) char	1	1
(unsigned) short	2	2
(unsigned) intNote, (unsigned) long, (unsigned) long long, floating type, and pointer type	4	4

Note	Becomes the same as short when the int_to_short option is specified.