C.2 Special Fortran Directives
The following directives are only available with f95. See 4.8.2 FIXED and FREE Directives for details.
Table C-2 Special Fortran Directives
Format |
!DIR$ directive
: initial line !DIR$& ... : continuation line With fixed-format source,
C is also accepted as a directive-indicator: CDIR$ directive... The line must start
in column 1. With free-format source, the line may be preceded by blanks. |
FIXED/FREE
Directives |
!DIR$ FREE!DIR$ FIXEDThese directives specify the source format of the lines following the directive. They
apply to the rest of the source file in which they appear, up
to the next FREE or FIXED directive. |
IVDEP |
!DIR$ IVDEPAssert that the following DO, FORALL, or
WHERE loop is free of loop-carried dependences, and can be optimized. Interpretation determined
by the -xivdep option. See 2.3.3 IVDEP Directive |
|