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authorDaniel Kraft <d@domob.eu>2010-08-19 18:02:30 +0200
committerDaniel Kraft <domob@gcc.gnu.org>2010-08-19 18:02:30 +0200
commit99d821c01cacbfdba524cb4d4d8ea066abd15d2b (patch)
tree5ec817ebbdbef30901290c6099ab8de10dea253a /gcc/fortran/trans-decl.c
parentf1b62c9f96d31dac273e1dfa0e389e240b420c69 (diff)
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re PR fortran/29785 (Fortran 2003: POINTER Rank Remapping)
2010-08-19 Daniel Kraft <d@domob.eu> PR fortran/29785 PR fortran/45016 * trans.h (struct gfc_se): New flag `byref_noassign'. * trans-array.h (gfc_conv_shift_descriptor_lbound): New method. (gfc_conv_array_extent_dim), (gfc_conv_descriptor_size): New methods. * expr.c (gfc_check_pointer_assign): Allow bounds and rank remapping and check for compile-time errors with those. * trans-decl.c (trans_associate_var): Use new routine `gfc_conv_shift_descriptor_lbound' instead of doing it manually. * trans-array.c (gfc_conv_shift_descriptor_lbound): New method. (gfc_conv_array_extent_dim), (gfc_conv_descriptor_size): New methods. (gfc_array_init_size): Use new `gfc_conv_array_extent_dim'. (gfc_conv_expr_descriptor): Handle new flag `byref_noassign'. * trans-expr.c (gfc_trans_pointer_assignment): Handle bounds and rank remapping for assignment. 2010-08-19 Daniel Kraft <d@domob.eu> PR fortran/29785 PR fortran/45016 * gfortran.dg/pointer_assign_5.f90: Remove 'not implemented' error. * gfortran.dg/pointer_remapping_1.f90: New test. * gfortran.dg/pointer_remapping_2.f03: New test. * gfortran.dg/pointer_remapping_3.f08: New test. * gfortran.dg/pointer_remapping_4.f03: New test. * gfortran.dg/pointer_remapping_5.f08: New test. * gfortran.dg/pointer_remapping_6.f08: New test. From-SVN: r163377
Diffstat (limited to 'gcc/fortran/trans-decl.c')
-rw-r--r--gcc/fortran/trans-decl.c33
1 files changed, 3 insertions, 30 deletions
diff --git a/gcc/fortran/trans-decl.c b/gcc/fortran/trans-decl.c
index f3e2950..ea39709 100644
--- a/gcc/fortran/trans-decl.c
+++ b/gcc/fortran/trans-decl.c
@@ -3133,42 +3133,15 @@ trans_associate_var (gfc_symbol* sym, gfc_wrapped_block* block)
descriptor to the one generated for the temporary. */
if (!sym->assoc->variable)
{
- tree offs;
int dim;
gfc_add_modify (&se.pre, desc, se.expr);
/* The generated descriptor has lower bound zero (as array
- temporary), shift bounds so we get lower bounds of 1 all the time.
- The offset has to be corrected as well.
- Because the ubound shift and offset depends on the lower bounds, we
- first calculate those and set the lbound to one last. */
-
- offs = gfc_conv_descriptor_offset_get (desc);
- for (dim = 0; dim < e->rank; ++dim)
- {
- tree from, to;
- tree stride;
-
- from = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[dim]);
- to = gfc_conv_descriptor_ubound_get (desc, gfc_rank_cst[dim]);
- stride = gfc_conv_descriptor_stride_get (desc, gfc_rank_cst[dim]);
-
- tmp = fold_build2 (MINUS_EXPR, gfc_array_index_type,
- gfc_index_one_node, from);
- to = fold_build2 (PLUS_EXPR, gfc_array_index_type, to, tmp);
-
- tmp = fold_build2 (MULT_EXPR, gfc_array_index_type, tmp, stride);
- offs = fold_build2 (MINUS_EXPR, gfc_array_index_type, offs, tmp);
-
- gfc_conv_descriptor_ubound_set (&se.pre, desc,
- gfc_rank_cst[dim], to);
- }
- gfc_conv_descriptor_offset_set (&se.pre, desc, offs);
-
+ temporary), shift bounds so we get lower bounds of 1. */
for (dim = 0; dim < e->rank; ++dim)
- gfc_conv_descriptor_lbound_set (&se.pre, desc, gfc_rank_cst[dim],
- gfc_index_one_node);
+ gfc_conv_shift_descriptor_lbound (&se.pre, desc,
+ dim, gfc_index_one_node);
}
/* Done, register stuff as init / cleanup code. */