ASSUME_ALIGNED

General Compiler Directive: Specifies that an entity in memory is aligned.

Syntax

cDEC$ ASSUME_ALIGNED address1:n1 [, address2:n2]...

c
Is a c, C, !, or *. (See Syntax Rules for Compiler Directives.)

address
A memory reference. It can be of any data type, kind, or rank. It cannot be any of the following:

• An entity in COMMON (or an entity EQUIVALENCEd to something in COMMON)
• A component of a variable of derived type or a record field reference
• An entity accessed by use or host association

n
A positive integer initialization expression. Its value must be a power of 2 between 1 and 256, that is, 1, 2, 4, 8, 16,3 2, 64, 128, 256.

Description

If you specify more than one address:n item, they must be separated by a comma.

If address is a Cray POINTER or it has the POINTER attribute, it is the POINTER and not the pointee or the TARGET that is assumed aligned.

If you specify an invalid value for n, an error message is displayed.

See Also: PREFETCH, ATTRIBUTES ALIGN