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Diffstat (limited to 'libgomp/testsuite/libgomp.fortran/appendix-a/a.19.1.f90')
| -rw-r--r-- | libgomp/testsuite/libgomp.fortran/appendix-a/a.19.1.f90 | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.fortran/appendix-a/a.19.1.f90 b/libgomp/testsuite/libgomp.fortran/appendix-a/a.19.1.f90 new file mode 100644 index 000000000..1fe1c4247 --- /dev/null +++ b/libgomp/testsuite/libgomp.fortran/appendix-a/a.19.1.f90 @@ -0,0 +1,60 @@ +! { 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 |