From cb4b9eaebedead8367a14345e1c866a43b870ed8 Mon Sep 17 00:00:00 2001 From: Mikael Morin Date: Thu, 3 Nov 2011 21:44:56 +0000 Subject: [PATCH] trans.h (struct gfc_array_info): Move dim and dimen fields... * trans.h (struct gfc_array_info): Move dim and dimen fields... (struct gfc_ss): ... here. Remove gfc_ss::data::temp::dimen field. * trans-array.c (gfc_conv_loop_setup): Remove temp_ss dim array initialization. (gfc_get_temp_ss): Initialize dim and dimen. (gfc_free_ss, gfc_get_array_ss, gfc_get_temp_ss, gfc_set_loop_bounds_from_array_spec, get_array_ref_dim, gfc_trans_create_temp_array, gfc_trans_constant_array_constructor, gfc_set_vector_loop_bounds, gfc_conv_scalarized_array_ref, gfc_trans_preloop_setup, gfc_conv_ss_startstride, gfc_conv_resolve_dependencies, gfc_conv_loop_setup, transposed_dims, gfc_conv_expr_descriptor, gfc_alloc_allocatable_for_assignment, gfc_walk_array_ref): Update field references. * trans-expr.c (gfc_conv_subref_array_arg, gfc_conv_procedure_call): Ditto. * trans-intrinsic.c (walk_inline_intrinsic_transpose): Ditto. * trans-stmt.c (gfc_conv_elemental_dependencies): Ditto. From-SVN: r180865 --- gcc/fortran/ChangeLog | 20 +++++ gcc/fortran/trans-array.c | 133 ++++++++++++++++------------------ gcc/fortran/trans-expr.c | 6 +- gcc/fortran/trans-intrinsic.c | 10 +-- gcc/fortran/trans-stmt.c | 6 +- gcc/fortran/trans.h | 13 ++-- 6 files changed, 99 insertions(+), 89 deletions(-) diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index 1d0c67b8bd3..712882a4c82 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,23 @@ +2011-11-03 Mikael Morin + + * trans.h (struct gfc_array_info): Move dim and dimen fields... + (struct gfc_ss): ... here. Remove gfc_ss::data::temp::dimen field. + * trans-array.c (gfc_conv_loop_setup): Remove temp_ss dim array + initialization. + (gfc_get_temp_ss): Initialize dim and dimen. + (gfc_free_ss, gfc_get_array_ss, gfc_get_temp_ss, + gfc_set_loop_bounds_from_array_spec, get_array_ref_dim, + gfc_trans_create_temp_array, gfc_trans_constant_array_constructor, + gfc_set_vector_loop_bounds, gfc_conv_scalarized_array_ref, + gfc_trans_preloop_setup, gfc_conv_ss_startstride, + gfc_conv_resolve_dependencies, gfc_conv_loop_setup, transposed_dims, + gfc_conv_expr_descriptor, gfc_alloc_allocatable_for_assignment, + gfc_walk_array_ref): Update field references. + * trans-expr.c (gfc_conv_subref_array_arg, gfc_conv_procedure_call): + Ditto. + * trans-intrinsic.c (walk_inline_intrinsic_transpose): Ditto. + * trans-stmt.c (gfc_conv_elemental_dependencies): Ditto. + 2011-11-03 Mikael Morin * trans.h (struct gfc_ss_info, struct gfc_array_info): diff --git a/gcc/fortran/trans-array.c b/gcc/fortran/trans-array.c index 2e1a8d48885..6ff60dcfa99 100644 --- a/gcc/fortran/trans-array.c +++ b/gcc/fortran/trans-array.c @@ -496,10 +496,10 @@ gfc_free_ss (gfc_ss * ss) switch (ss->type) { case GFC_SS_SECTION: - for (n = 0; n < ss->data.info.dimen; n++) + for (n = 0; n < ss->dimen; n++) { - if (ss->data.info.subscript[ss->data.info.dim[n]]) - gfc_free_ss_chain (ss->data.info.subscript[ss->data.info.dim[n]]); + if (ss->data.info.subscript[ss->dim[n]]) + gfc_free_ss_chain (ss->data.info.subscript[ss->dim[n]]); } break; @@ -517,17 +517,15 @@ gfc_ss * gfc_get_array_ss (gfc_ss *next, gfc_expr *expr, int dimen, gfc_ss_type type) { gfc_ss *ss; - gfc_array_info *info; int i; ss = gfc_get_ss (); ss->next = next; ss->type = type; ss->expr = expr; - info = &ss->data.info; - info->dimen = dimen; - for (i = 0; i < info->dimen; i++) - info->dim[i] = i; + ss->dimen = dimen; + for (i = 0; i < ss->dimen; i++) + ss->dim[i] = i; return ss; } @@ -539,13 +537,16 @@ gfc_ss * gfc_get_temp_ss (tree type, tree string_length, int dimen) { gfc_ss *ss; + int i; ss = gfc_get_ss (); ss->next = gfc_ss_terminator; ss->type = GFC_SS_TEMP; ss->string_length = string_length; - ss->data.temp.dimen = dimen; ss->data.temp.type = type; + ss->dimen = dimen; + for (i = 0; i < ss->dimen; i++) + ss->dim[i] = i; return ss; } @@ -642,7 +643,7 @@ gfc_set_loop_bounds_from_array_spec (gfc_interface_mapping * mapping, if (as && as->type == AS_EXPLICIT) for (n = 0; n < se->loop->dimen; n++) { - dim = se->ss->data.info.dim[n]; + dim = se->ss->dim[n]; gcc_assert (dim < as->rank); gcc_assert (se->loop->dimen == as->rank); if (se->loop->to[n] == NULL_TREE) @@ -810,15 +811,12 @@ static int get_array_ref_dim (gfc_ss *ss, int loop_dim) { int n, array_dim, array_ref_dim; - gfc_array_info *info; - - info = &ss->data.info; array_ref_dim = 0; - array_dim = info->dim[loop_dim]; + array_dim = ss->dim[loop_dim]; - for (n = 0; n < info->dimen; n++) - if (info->dim[n] < array_dim) + for (n = 0; n < ss->dimen; n++) + if (ss->dim[n] < array_dim) array_ref_dim++; return array_ref_dim; @@ -861,8 +859,8 @@ gfc_trans_create_temp_array (stmtblock_t * pre, stmtblock_t * post, info = &ss->data.info; - gcc_assert (info->dimen > 0); - gcc_assert (loop->dimen == info->dimen); + gcc_assert (ss->dimen > 0); + gcc_assert (loop->dimen == ss->dimen); if (gfc_option.warn_array_temp && where) gfc_warning ("Creating array temporary at %L", where); @@ -870,7 +868,7 @@ gfc_trans_create_temp_array (stmtblock_t * pre, stmtblock_t * post, /* Set the lower bound to zero. */ for (n = 0; n < loop->dimen; n++) { - dim = info->dim[n]; + dim = ss->dim[n]; /* Callee allocated arrays may not have a known bound yet. */ if (loop->to[n]) @@ -899,7 +897,7 @@ gfc_trans_create_temp_array (stmtblock_t * pre, stmtblock_t * post, /* Initialize the descriptor. */ type = - gfc_get_array_type_bounds (eltype, info->dimen, 0, from, to, 1, + gfc_get_array_type_bounds (eltype, ss->dimen, 0, from, to, 1, GFC_ARRAY_UNKNOWN, true); desc = gfc_create_var (type, "atmp"); GFC_DECL_PACKED_ARRAY (desc) = 1; @@ -937,7 +935,7 @@ gfc_trans_create_temp_array (stmtblock_t * pre, stmtblock_t * post, for (n = 0; n < loop->dimen; n++) { - dim = info->dim[n]; + dim = ss->dim[n]; if (size == NULL_TREE) { @@ -1003,8 +1001,8 @@ gfc_trans_create_temp_array (stmtblock_t * pre, stmtblock_t * post, gfc_trans_allocate_array_storage (pre, post, info, size, nelem, initial, dynamic, dealloc); - if (info->dimen > loop->temp_dim) - loop->temp_dim = info->dimen; + if (ss->dimen > loop->temp_dim) + loop->temp_dim = ss->dimen; return size; } @@ -1869,7 +1867,7 @@ trans_constant_array_constructor (gfc_ss * ss, tree type) info->data = gfc_build_addr_expr (NULL_TREE, tmp); info->offset = gfc_index_zero_node; - for (i = 0; i < info->dimen; i++) + for (i = 0; i < ss->dimen; i++) { info->delta[i] = gfc_index_zero_node; info->start[i] = gfc_index_zero_node; @@ -1950,7 +1948,7 @@ gfc_trans_array_constructor (gfc_loopinfo * loop, gfc_ss * ss, locus * where) first_len = true; } - gcc_assert (ss->data.info.dimen == loop->dimen); + gcc_assert (ss->dimen == loop->dimen); c = ss->expr->value.constructor; if (ss->expr->ts.type == BT_CHARACTER) @@ -2111,7 +2109,7 @@ set_vector_loop_bounds (gfc_loopinfo * loop, gfc_ss * ss) for (n = 0; n < loop->dimen; n++) { - dim = info->dim[n]; + dim = ss->dim[n]; if (info->ref->u.ar.dimen_type[dim] == DIMEN_VECTOR && loop->to[n] == NULL) { @@ -2633,16 +2631,17 @@ gfc_conv_scalarized_array_ref (gfc_se * se, gfc_array_ref * ar) tree decl = NULL_TREE; tree index; tree tmp; + gfc_ss *ss; int n; - info = &se->ss->data.info; + ss = se->ss; + info = &ss->data.info; if (ar) n = se->loop->order[0]; else n = 0; - index = conv_array_index_offset (se, se->ss, info->dim[n], n, ar, - info->stride0); + index = conv_array_index_offset (se, ss, ss->dim[n], n, ar, info->stride0); /* Add the offset for this dimension to the stored offset for all other dimensions. */ if (!integer_zerop (info->offset)) @@ -2873,8 +2872,8 @@ gfc_trans_preloop_setup (gfc_loopinfo * loop, int dim, int flag, info = &ss->data.info; - gcc_assert (dim < info->dimen); - gcc_assert (info->dimen == loop->dimen); + gcc_assert (dim < ss->dimen); + gcc_assert (ss->dimen == loop->dimen); if (info->ref) ar = &info->ref->u.ar; @@ -2892,7 +2891,7 @@ gfc_trans_preloop_setup (gfc_loopinfo * loop, int dim, int flag, if (dim == loop->dimen - 1) { - stride = gfc_conv_array_stride (info->descriptor, info->dim[i]); + stride = gfc_conv_array_stride (info->descriptor, ss->dim[i]); /* Calculate the stride of the innermost loop. Hopefully this will allow the backend optimizers to do their stuff more effectively. @@ -2915,7 +2914,7 @@ gfc_trans_preloop_setup (gfc_loopinfo * loop, int dim, int flag, } else /* Add the offset for the previous loop dimension. */ - add_array_offset (pblock, loop, ss, ar, info->dim[i], i); + add_array_offset (pblock, loop, ss, ar, ss->dim[i], i); /* Remember this offset for the second loop. */ if (dim == loop->temp_dim - 1) @@ -3271,7 +3270,7 @@ gfc_conv_ss_startstride (gfc_loopinfo * loop) case GFC_SS_CONSTRUCTOR: case GFC_SS_FUNCTION: case GFC_SS_COMPONENT: - loop->dimen = ss->data.info.dimen; + loop->dimen = ss->dimen; goto done; /* As usual, lbound and ubound are exceptions!. */ @@ -3283,7 +3282,7 @@ gfc_conv_ss_startstride (gfc_loopinfo * loop) case GFC_ISYM_LCOBOUND: case GFC_ISYM_UCOBOUND: case GFC_ISYM_THIS_IMAGE: - loop->dimen = ss->data.info.dimen; + loop->dimen = ss->dimen; goto done; default: @@ -3312,8 +3311,8 @@ done: /* Get the descriptor for the array. */ gfc_conv_ss_descriptor (&loop->pre, ss, !loop->array_parameter); - for (n = 0; n < ss->data.info.dimen; n++) - gfc_conv_section_startstride (loop, ss, ss->data.info.dim[n]); + for (n = 0; n < ss->dimen; n++) + gfc_conv_section_startstride (loop, ss, ss->dim[n]); break; case GFC_SS_INTRINSIC: @@ -3333,9 +3332,9 @@ done: case GFC_SS_CONSTRUCTOR: case GFC_SS_FUNCTION: - for (n = 0; n < ss->data.info.dimen; n++) + for (n = 0; n < ss->dimen; n++) { - int dim = ss->data.info.dim[n]; + int dim = ss->dim[n]; ss->data.info.start[dim] = gfc_index_zero_node; ss->data.info.end[dim] = gfc_index_zero_node; @@ -3387,7 +3386,7 @@ done: { bool check_upper; - dim = info->dim[n]; + dim = ss->dim[n]; if (info->ref->u.ar.dimen_type[dim] != DIMEN_RANGE) continue; @@ -3776,10 +3775,10 @@ gfc_conv_resolve_dependencies (gfc_loopinfo * loop, gfc_ss * dest, if (nDepend == 1) break; - for (i = 0; i < dest->data.info.dimen; i++) - for (j = 0; j < ss->data.info.dimen; j++) + for (i = 0; i < dest->dimen; i++) + for (j = 0; j < ss->dimen; j++) if (i != j - && dest->data.info.dim[i] == ss->data.info.dim[j]) + && dest->dim[i] == ss->dim[j]) { /* If we don't access array elements in the same order, there is a dependency. */ @@ -3853,7 +3852,7 @@ gfc_conv_loop_setup (gfc_loopinfo * loop, locus * where) int n, dim, spec_dim; gfc_array_info *info; gfc_array_info *specinfo; - gfc_ss *ss; + gfc_ss *ss, *tmp_ss; tree tmp; gfc_ss *loopspec[GFC_MAX_DIMENSIONS]; bool dynamic[GFC_MAX_DIMENSIONS]; @@ -3878,12 +3877,12 @@ gfc_conv_loop_setup (gfc_loopinfo * loop, locus * where) continue; info = &ss->data.info; - dim = info->dim[n]; + dim = ss->dim[n]; if (loopspec[n] != NULL) { specinfo = &loopspec[n]->data.info; - spec_dim = specinfo->dim[n]; + spec_dim = loopspec[n]->dim[n]; } else { @@ -3971,7 +3970,7 @@ gfc_conv_loop_setup (gfc_loopinfo * loop, locus * where) gcc_assert (loopspec[n]); info = &loopspec[n]->data.info; - dim = info->dim[n]; + dim = loopspec[n]->dim[n]; /* Set the extents of this range. */ cshape = loopspec[n]->shape; @@ -4047,8 +4046,9 @@ gfc_conv_loop_setup (gfc_loopinfo * loop, locus * where) allocating the temporary. */ gfc_add_loop_ss_code (loop, loop->ss, false, where); + tmp_ss = loop->temp_ss; /* If we want a temporary then create it. */ - if (loop->temp_ss != NULL) + if (tmp_ss != NULL) { gcc_assert (loop->temp_ss->type == GFC_SS_TEMP); @@ -4060,17 +4060,13 @@ gfc_conv_loop_setup (gfc_loopinfo * loop, locus * where) loop->temp_ss->string_length); tmp = loop->temp_ss->data.temp.type; - n = loop->temp_ss->data.temp.dimen; memset (&loop->temp_ss->data.info, 0, sizeof (gfc_array_info)); loop->temp_ss->type = GFC_SS_SECTION; - loop->temp_ss->data.info.dimen = n; - gcc_assert (loop->temp_ss->data.info.dimen != 0); - for (n = 0; n < loop->temp_ss->data.info.dimen; n++) - loop->temp_ss->data.info.dim[n] = n; + gcc_assert (tmp_ss->dimen != 0); gfc_trans_create_temp_array (&loop->pre, &loop->post, loop, - loop->temp_ss, tmp, NULL_TREE, + tmp_ss, tmp, NULL_TREE, false, true, false, where); } @@ -4094,12 +4090,12 @@ gfc_conv_loop_setup (gfc_loopinfo * loop, locus * where) info = &ss->data.info; - for (n = 0; n < info->dimen; n++) + for (n = 0; n < ss->dimen; n++) { /* If we are specifying the range the delta is already set. */ if (loopspec[n] != ss) { - dim = ss->data.info.dim[n]; + dim = ss->dim[n]; /* Calculate the offset relative to the loop variable. First multiply by the stride. */ @@ -5657,16 +5653,15 @@ get_array_charlen (gfc_expr *expr, gfc_se *se) } } + /* Helper function to check dimensions. */ static bool transposed_dims (gfc_ss *ss) { - gfc_array_info *info; int n; - info = &ss->data.info; - for (n = 0; n < info->dimen; n++) - if (info->dim[n] != n) + for (n = 0; n < ss->dimen; n++) + if (ss->dim[n] != n) return true; return false; } @@ -5899,7 +5894,7 @@ gfc_conv_expr_descriptor (gfc_se * se, gfc_expr * expr, gfc_ss * ss) loop.dimen); se->string_length = loop.temp_ss->string_length; - gcc_assert (loop.temp_ss->data.temp.dimen == loop.dimen); + gcc_assert (loop.temp_ss->dimen == loop.dimen); gfc_add_ss_to_loop (&loop, loop.temp_ss); } @@ -5972,7 +5967,7 @@ gfc_conv_expr_descriptor (gfc_se * se, gfc_expr * expr, gfc_ss * ss) tree to; tree base; - ndim = info->ref ? info->ref->u.ar.dimen : info->dimen; + ndim = info->ref ? info->ref->u.ar.dimen : ss->dimen; if (se->want_coarray) { @@ -6087,7 +6082,7 @@ gfc_conv_expr_descriptor (gfc_se * se, gfc_expr * expr, gfc_ss * ss) /* look for the corresponding scalarizer dimension: dim. */ for (dim = 0; dim < ndim; dim++) - if (info->dim[dim] == n) + if (ss->dim[dim] == n) break; /* loop exited early: the DIM being looked for has been found. */ @@ -7376,7 +7371,7 @@ gfc_alloc_allocatable_for_assignment (gfc_loopinfo *loop, for (n = 0; n < expr1->rank; n++) { tmp = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[n]); - dim = lss->data.info.dim[n]; + dim = lss->dim[n]; tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type, tmp, loop->from[dim]); @@ -7678,8 +7673,8 @@ gfc_walk_array_ref (gfc_ss * ss, gfc_expr * expr, gfc_ref * ref) case DIMEN_RANGE: /* We don't add anything for sections, just remember this dimension for later. */ - newss->data.info.dim[newss->data.info.dimen] = n; - newss->data.info.dimen++; + newss->dim[newss->dimen] = n; + newss->dimen++; break; case DIMEN_VECTOR: @@ -7689,8 +7684,8 @@ gfc_walk_array_ref (gfc_ss * ss, gfc_expr * expr, gfc_ref * ref) 1, GFC_SS_VECTOR); indexss->loop_chain = gfc_ss_terminator; newss->data.info.subscript[n] = indexss; - newss->data.info.dim[newss->data.info.dimen] = n; - newss->data.info.dimen++; + newss->dim[newss->dimen] = n; + newss->dimen++; break; default: @@ -7700,7 +7695,7 @@ gfc_walk_array_ref (gfc_ss * ss, gfc_expr * expr, gfc_ref * ref) } /* We should have at least one non-elemental dimension, unless we are creating a descriptor for a (scalar) coarray. */ - gcc_assert (newss->data.info.dimen > 0 + gcc_assert (newss->dimen > 0 || newss->data.info.ref->u.ar.as->corank > 0); ss = newss; break; diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c index 636c0b011ed..84222f52969 100644 --- a/gcc/fortran/trans-expr.c +++ b/gcc/fortran/trans-expr.c @@ -2489,7 +2489,7 @@ gfc_conv_subref_array_arg (gfc_se * parmse, gfc_expr * expr, int g77, outside the innermost loop, so the overall transfer could be optimized further. */ info = &rse.ss->data.info; - dimen = info->dimen; + dimen = rse.ss->dimen; tmp_index = gfc_index_zero_node; for (n = dimen - 1; n > 0; n--) @@ -3582,7 +3582,7 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol * sym, /* Set the type of the array. */ tmp = gfc_typenode_for_spec (&comp->ts); - gcc_assert (info->dimen == se->loop->dimen); + gcc_assert (se->ss->dimen == se->loop->dimen); /* Evaluate the bounds of the result, if known. */ gfc_set_loop_bounds_from_array_spec (&mapping, se, comp->as); @@ -3618,7 +3618,7 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol * sym, /* Set the type of the array. */ tmp = gfc_typenode_for_spec (&ts); - gcc_assert (info->dimen == se->loop->dimen); + gcc_assert (se->ss->dimen == se->loop->dimen); /* Evaluate the bounds of the result, if known. */ gfc_set_loop_bounds_from_array_spec (&mapping, se, sym->result->as); diff --git a/gcc/fortran/trans-intrinsic.c b/gcc/fortran/trans-intrinsic.c index 47313e65698..3f8d51451fb 100644 --- a/gcc/fortran/trans-intrinsic.c +++ b/gcc/fortran/trans-intrinsic.c @@ -6757,15 +6757,13 @@ walk_inline_intrinsic_transpose (gfc_ss *ss, gfc_expr *expr) && tmp_ss->type != GFC_SS_REFERENCE) { int tmp_dim; - gfc_array_info *info; - info = &tmp_ss->data.info; - gcc_assert (info->dimen == 2); + gcc_assert (tmp_ss->dimen == 2); /* We just invert dimensions. */ - tmp_dim = info->dim[0]; - info->dim[0] = info->dim[1]; - info->dim[1] = tmp_dim; + tmp_dim = tmp_ss->dim[0]; + tmp_ss->dim[0] = tmp_ss->dim[1]; + tmp_ss->dim[1] = tmp_dim; } /* Stop when tmp_ss points to the last valid element of the chain... */ diff --git a/gcc/fortran/trans-stmt.c b/gcc/fortran/trans-stmt.c index aa7591b8d44..c66d6b54499 100644 --- a/gcc/fortran/trans-stmt.c +++ b/gcc/fortran/trans-stmt.c @@ -241,8 +241,8 @@ gfc_conv_elemental_dependencies (gfc_se * se, gfc_se * loopse, /* Make a local loopinfo for the temporary creation, so that none of the other ss->info's have to be renormalized. */ gfc_init_loopinfo (&tmp_loop); - tmp_loop.dimen = info->dimen; - for (n = 0; n < info->dimen; n++) + tmp_loop.dimen = ss->dimen; + for (n = 0; n < ss->dimen; n++) { tmp_loop.to[n] = loopse->loop->to[n]; tmp_loop.from[n] = loopse->loop->from[n]; @@ -320,7 +320,7 @@ gfc_conv_elemental_dependencies (gfc_se * se, gfc_se * loopse, /* Calculate the offset for the temporary. */ offset = gfc_index_zero_node; - for (n = 0; n < info->dimen; n++) + for (n = 0; n < ss->dimen; n++) { tmp = gfc_conv_descriptor_stride_get (info->descriptor, gfc_rank_cst[n]); diff --git a/gcc/fortran/trans.h b/gcc/fortran/trans.h index 6f9f6c8a768..5acab12ad5a 100644 --- a/gcc/fortran/trans.h +++ b/gcc/fortran/trans.h @@ -113,7 +113,6 @@ gfc_coarray_type; typedef struct gfc_array_info { - int dimen; /* The ref that holds information on this section. */ gfc_ref *ref; /* The descriptor of this array. */ @@ -134,10 +133,6 @@ typedef struct gfc_array_info tree end[GFC_MAX_DIMENSIONS]; tree stride[GFC_MAX_DIMENSIONS]; tree delta[GFC_MAX_DIMENSIONS]; - - /* Translation from loop dimensions to actual dimensions. - actual_dim = dim[loop_dim] */ - int dim[GFC_MAX_DIMENSIONS]; } gfc_array_info; @@ -212,9 +207,6 @@ typedef struct gfc_ss /* GFC_SS_TEMP. */ struct { - /* The rank of the temporary. May be less than the rank of the - assigned expression. */ - int dimen; tree type; } temp; @@ -223,6 +215,11 @@ typedef struct gfc_ss } data; + int dimen; + /* Translation from loop dimensions to actual array dimensions. + actual_dim = dim[loop_dim] */ + int dim[GFC_MAX_DIMENSIONS]; + /* All the SS in a loop and linked through loop_chain. The SS for an expression are linked by the next pointer. */ struct gfc_ss *loop_chain;