mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-04 01:50:38 +00:00
61 lines
1.6 KiB
Fortran
61 lines
1.6 KiB
Fortran
! { dg-do run }
|
|
SUBROUTINE F1(Q)
|
|
COMMON /DATA/ P, X
|
|
INTEGER, TARGET :: X
|
|
INTEGER, POINTER :: P
|
|
INTEGER Q
|
|
Q=1
|
|
!$OMP FLUSH
|
|
! X, P and Q are flushed
|
|
! because they are shared and accessible
|
|
END SUBROUTINE F1
|
|
SUBROUTINE F2(Q)
|
|
COMMON /DATA/ P, X
|
|
INTEGER, TARGET :: X
|
|
INTEGER, POINTER :: P
|
|
INTEGER Q
|
|
!$OMP BARRIER
|
|
Q=2
|
|
!$OMP BARRIER
|
|
! a barrier implies a flush
|
|
! X, P and Q are flushed
|
|
! because they are shared and accessible
|
|
END SUBROUTINE F2
|
|
|
|
INTEGER FUNCTION G(N)
|
|
COMMON /DATA/ P, X
|
|
INTEGER, TARGET :: X
|
|
INTEGER, POINTER :: P
|
|
INTEGER N
|
|
INTEGER I, J, SUM
|
|
I=1
|
|
SUM = 0
|
|
P=1
|
|
!$OMP PARALLEL REDUCTION(+: SUM) NUM_THREADS(2)
|
|
CALL F1(J)
|
|
! I, N and SUM were not flushed
|
|
! because they were not accessible in F1
|
|
! J was flushed because it was accessible
|
|
SUM = SUM + J
|
|
CALL F2(J)
|
|
! I, N, and SUM were not flushed
|
|
! because they were not accessible in f2
|
|
! J was flushed because it was accessible
|
|
SUM = SUM + I + J + P + N
|
|
!$OMP END PARALLEL
|
|
G = SUM
|
|
END FUNCTION G
|
|
|
|
PROGRAM A19
|
|
COMMON /DATA/ P, X
|
|
INTEGER, TARGET :: X
|
|
INTEGER, POINTER :: P
|
|
INTEGER RESULT, G
|
|
P => X
|
|
RESULT = G(10)
|
|
PRINT *, RESULT
|
|
IF (RESULT .NE. 30) THEN
|
|
CALL ABORT
|
|
ENDIF
|
|
END PROGRAM A19
|