Rules for General Directives that Affect DO Loops

This table lists the general directives that affect DO loops:

DISTRIBUTE POINT NOUNROLL VECTOR ALIGNED1
IVDEP NOVECTOR1 VECTOR ALWAYS1
LOOP COUNT PARALLEL VECTOR NONTEMPORAL1
NOPARALLEL PREFETCH VECTOR UNALIGNED1
NOPREFETCH SWP2  
NOSWP2 UNROLL  
1 i32, i64em
2 i64 only

The following rules apply to all of these directives:

Other rules may apply to these directives. For more information, see the description of each directive.