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| author | Tobias Burnus <burnus@net-b.de> | 2008-03-28 14:47:06 +0100 |
|---|---|---|
| committer | Tobias Burnus <burnus@gcc.gnu.org> | 2008-03-28 14:47:06 +0100 |
| commit | 3e08bbcfe8cf565f51869ed0e1f36a56e742d954 (patch) | |
| tree | bc7075222c4580d1b29a61956a7d5b16553ba268 | |
| parent | 626f4dd8f52c0e85892dc4bd9f7bb2a1c87e2f3c (diff) | |
| download | gcc-3e08bbcfe8cf565f51869ed0e1f36a56e742d954.zip gcc-3e08bbcfe8cf565f51869ed0e1f36a56e742d954.tar.gz gcc-3e08bbcfe8cf565f51869ed0e1f36a56e742d954.tar.bz2 | |
re PR fortran/35721 (ASSOCIATED returns false when strides confusing)
2008-03-28 Tobias Burnus <burnus@net-b.de>
PR fortran/35721
* intrinsics/associated.c (associated): Ignore different
stride of pointer vs. target if only one element is referred.
2008-03-28 Tobias Burnus <burnus@net-b.de>
PR fortran/35721
* gfortran.dg/associated_target_2.f90: New.
From-SVN: r133684
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/associated_target_2.f90 | 41 | ||||
| -rw-r--r-- | libgfortran/ChangeLog | 6 | ||||
| -rw-r--r-- | libgfortran/intrinsics/associated.c | 8 |
4 files changed, 57 insertions, 3 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8392cfe..2ac6eb0 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2008-03-28 Tobias Burnus <burnus@net-b.de> + + PR fortran/35721 + * gfortran.dg/associated_target_2.f90: New. + 2008-03-28 Richard Guenther <rguenther@suse.de> PR tree-optimization/19580 diff --git a/gcc/testsuite/gfortran.dg/associated_target_2.f90 b/gcc/testsuite/gfortran.dg/associated_target_2.f90 new file mode 100644 index 0000000..b1179be --- /dev/null +++ b/gcc/testsuite/gfortran.dg/associated_target_2.f90 @@ -0,0 +1,41 @@ +! { dg-do run } +! +! PR fortran/35721 +! +! ASSOCIATED(ptr, trgt) should return true if +! the same storage units (in the same order) +! gfortran was returning false if the strips +! were different but only one (the same!) element +! was present. +! +! Contributed by Dick Hendrickson +! + program try_mg0028 + implicit none + real tda2r(2,3) + + call mg0028(tda2r, 1, 2, 3) + + CONTAINS + + SUBROUTINE MG0028(TDA2R,nf1,nf2,nf3) + integer :: nf1,nf2,nf3 + real, target :: TDA2R(NF2,NF3) + real, pointer :: TLA2L(:,:),TLA2L1(:,:) + logical LL(4) + TLA2L => TDA2R(NF2:NF1:-NF2,NF3:NF1:-NF2) + TLA2L1 => TLA2L + LL(1) = ASSOCIATED(TLA2L) + LL(2) = ASSOCIATED(TLA2L,TLA2L1) + LL(3) = ASSOCIATED(TLA2L,TDA2R) + LL(4) = ASSOCIATED(TLA2L1,TDA2R(2:2,3:1:-2)) !should be true + + if (any(LL .neqv. (/ .true., .true., .false., .true./))) then + print *, LL + print *, shape(TLA2L1) + print *, shape(TDA2R(2:2,3:1:-2)) + stop + endif + + END SUBROUTINE + END PROGRAM diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog index 892a245..57ec570 100644 --- a/libgfortran/ChangeLog +++ b/libgfortran/ChangeLog @@ -1,3 +1,9 @@ +2008-03-28 Tobias Burnus <burnus@net-b.de> + + PR fortran/35721 + * intrinsics/associated.c (associated): Ignore different + stride of pointer vs. target if only one element is referred. + 2008-03-26 Jerry DeLisle <jvdelisle@gcc.gnu.org> * io/unix.c (fd_close): Do not close STDIN. diff --git a/libgfortran/intrinsics/associated.c b/libgfortran/intrinsics/associated.c index 0d32fd7..dc1da1d 100644 --- a/libgfortran/intrinsics/associated.c +++ b/libgfortran/intrinsics/associated.c @@ -48,10 +48,12 @@ associated (const gfc_array_void *pointer, const gfc_array_void *target) rank = GFC_DESCRIPTOR_RANK (pointer); for (n = 0; n < rank; n++) { - if (pointer->dim[n].stride != target->dim[n].stride) + long diff; + diff = pointer->dim[n].ubound - pointer->dim[n].lbound; + + if (diff != (target->dim[n].ubound - target->dim[n].lbound)) return 0; - if ((pointer->dim[n].ubound - pointer->dim[n].lbound) - != (target->dim[n].ubound - target->dim[n].lbound)) + if (pointer->dim[n].stride != target->dim[n].stride && diff != 0) return 0; if (pointer->dim[n].ubound < pointer->dim[n].lbound) return 0; |