trans.h (struct gfc_ss_info, [...]): Rename the former to the latter.

	* trans.h (struct gfc_ss_info, struct gfc_array_info):
	Rename the former to the latter.
	* trans-array.c (gfc_get_array_ss, gfc_trans_allocate_array_storage,
	get_array_ref_dim, gfc_trans_create_temp_array,
	gfc_trans_constant_array_constructor, gfc_set_vector_loop_bounds,
	gfc_conv_array_index_offset, gfc_conv_scalarized_array_ref,
	add_array_offset, gfc_trans_preloop_setup, gfc_conv_section_startstride,
	gfc_conv_ss_startstride, gfc_conv_loop_setup, transposed_dims,
	gfc_conv_expr_descriptor): Update all uses.
	* trans-expr.c (gfc_conv_subref_array_arg, gfc_conv_procedure_call):
	Ditto.
	* trans-intrinsic.c (gfc_conv_intrinsic_transfer,
	walk_inline_intrinsic_transpose): Ditto.
	* trans-stmt.c (gfc_conv_elemental_dependencies,
	gfc_trans_pointer_assign_need_temp): Ditto.

From-SVN: r180864

gcc/fortran/ChangeLog

 2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>
 
+	* trans.h (struct gfc_ss_info, struct gfc_array_info):
+	Rename the former to the latter.
+	* trans-array.c (gfc_get_array_ss, gfc_trans_allocate_array_storage,
+	get_array_ref_dim, gfc_trans_create_temp_array,
+	gfc_trans_constant_array_constructor, gfc_set_vector_loop_bounds,
+	gfc_conv_array_index_offset, gfc_conv_scalarized_array_ref,
+	add_array_offset, gfc_trans_preloop_setup, gfc_conv_section_startstride,
+	gfc_conv_ss_startstride, gfc_conv_loop_setup, transposed_dims,
+	gfc_conv_expr_descriptor): Update all uses.
+	* trans-expr.c (gfc_conv_subref_array_arg, gfc_conv_procedure_call):
+	Ditto.
+	* trans-intrinsic.c (gfc_conv_intrinsic_transfer,
+	walk_inline_intrinsic_transpose): Ditto.
+	* trans-stmt.c (gfc_conv_elemental_dependencies,
+	gfc_trans_pointer_assign_need_temp): Ditto.
+
+2011-11-03  Mikael Morin  <mikael@gcc.gnu.org>
+
 	* trans-array.c (dim_ok, transposed_dims): Rename the former to the
 	latter.  Change argument type.  Invert return value.
 	(gfc_conv_expr_descriptor): Update calls.

gcc/fortran/trans-array.c

@@ -517,7 +517,7 @@ gfc_ss *
 gfc_get_array_ss (gfc_ss *next, gfc_expr *expr, int dimen, gfc_ss_type type)
 {
   gfc_ss *ss;
-  gfc_ss_info *info;
+  gfc_array_info *info;
   int i;
 
   ss = gfc_get_ss ();
@@ -685,7 +685,7 @@ gfc_set_loop_bounds_from_array_spec (gfc_interface_mapping * mapping,
 
 static void
 gfc_trans_allocate_array_storage (stmtblock_t * pre, stmtblock_t * post,
-				  gfc_ss_info * info, tree size, tree nelem,
+				  gfc_array_info * info, tree size, tree nelem,
 				  tree initial, bool dynamic, bool dealloc)
 {
   tree tmp;
@@ -810,7 +810,7 @@ static int
 get_array_ref_dim (gfc_ss *ss, int loop_dim)
 {
   int n, array_dim, array_ref_dim;
-  gfc_ss_info *info;
+  gfc_array_info *info;
 
   info = &ss->data.info;
 
@@ -845,7 +845,7 @@ gfc_trans_create_temp_array (stmtblock_t * pre, stmtblock_t * post,
 			     tree eltype, tree initial, bool dynamic,
 			     bool dealloc, bool callee_alloc, locus * where)
 {
-  gfc_ss_info *info;
+  gfc_array_info *info;
   tree from[GFC_MAX_DIMENSIONS], to[GFC_MAX_DIMENSIONS];
   tree type;
   tree desc;
@@ -1857,7 +1857,7 @@ gfc_build_constant_array_constructor (gfc_expr * expr, tree type)
 static void
 trans_constant_array_constructor (gfc_ss * ss, tree type)
 {
-  gfc_ss_info *info;
+  gfc_array_info *info;
   tree tmp;
   int i;
 
@@ -2099,7 +2099,7 @@ finish:
 static void
 set_vector_loop_bounds (gfc_loopinfo * loop, gfc_ss * ss)
 {
-  gfc_ss_info *info;
+  gfc_array_info *info;
   gfc_se se;
   tree tmp;
   tree desc;
@@ -2516,7 +2516,7 @@ static tree
 conv_array_index_offset (gfc_se * se, gfc_ss * ss, int dim, int i,
 			 gfc_array_ref * ar, tree stride)
 {
-  gfc_ss_info *info;
+  gfc_array_info *info;
   tree index;
   tree desc;
   tree data;
@@ -2629,7 +2629,7 @@ conv_array_index_offset (gfc_se * se, gfc_ss * ss, int dim, int i,
 static void
 gfc_conv_scalarized_array_ref (gfc_se * se, gfc_array_ref * ar)
 {
-  gfc_ss_info *info;
+  gfc_array_info *info;
   tree decl = NULL_TREE;
   tree index;
   tree tmp;
@@ -2827,7 +2827,7 @@ add_array_offset (stmtblock_t *pblock, gfc_loopinfo *loop, gfc_ss *ss,
 		  gfc_array_ref *ar, int array_dim, int loop_dim)
 {
   gfc_se se;
-  gfc_ss_info *info;
+  gfc_array_info *info;
   tree stride, index;
 
   info = &ss->data.info;
@@ -2854,7 +2854,7 @@ gfc_trans_preloop_setup (gfc_loopinfo * loop, int dim, int flag,
 			 stmtblock_t * pblock)
 {
   tree stride;
-  gfc_ss_info *info;
+  gfc_array_info *info;
   gfc_ss *ss;
   gfc_array_ref *ar;
   int i;
@@ -3205,7 +3205,7 @@ gfc_conv_section_startstride (gfc_loopinfo * loop, gfc_ss * ss, int dim)
   gfc_expr *stride = NULL;
   tree desc;
   gfc_se se;
-  gfc_ss_info *info;
+  gfc_array_info *info;
   gfc_array_ref *ar;
 
   gcc_assert (ss->type == GFC_SS_SECTION);
@@ -3356,7 +3356,7 @@ done:
       tree end;
       tree size[GFC_MAX_DIMENSIONS];
       tree stride_pos, stride_neg, non_zerosized, tmp2, tmp3;
-      gfc_ss_info *info;
+      gfc_array_info *info;
       char *msg;
       int dim;
 
@@ -3851,8 +3851,8 @@ void
 gfc_conv_loop_setup (gfc_loopinfo * loop, locus * where)
 {
   int n, dim, spec_dim;
-  gfc_ss_info *info;
-  gfc_ss_info *specinfo;
+  gfc_array_info *info;
+  gfc_array_info *specinfo;
   gfc_ss *ss;
   tree tmp;
   gfc_ss *loopspec[GFC_MAX_DIMENSIONS];
@@ -4061,7 +4061,7 @@ gfc_conv_loop_setup (gfc_loopinfo * loop, locus * where)
 
       tmp = loop->temp_ss->data.temp.type;
       n = loop->temp_ss->data.temp.dimen;
-      memset (&loop->temp_ss->data.info, 0, sizeof (gfc_ss_info));
+      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;
 
@@ -5661,7 +5661,7 @@ get_array_charlen (gfc_expr *expr, gfc_se *se)
 static bool
 transposed_dims (gfc_ss *ss)
 {
-  gfc_ss_info *info;
+  gfc_array_info *info;
   int n;
 
   info = &ss->data.info;
@@ -5704,7 +5704,7 @@ void
 gfc_conv_expr_descriptor (gfc_se * se, gfc_expr * expr, gfc_ss * ss)
 {
   gfc_loopinfo loop;
-  gfc_ss_info *info;
+  gfc_array_info *info;
   int need_tmp;
   int n;
   tree tmp;

gcc/fortran/trans-expr.c

@@ -2359,7 +2359,7 @@ gfc_conv_subref_array_arg (gfc_se * parmse, gfc_expr * expr, int g77,
   gfc_ss *rss;
   gfc_loopinfo loop;
   gfc_loopinfo loop2;
-  gfc_ss_info *info;
+  gfc_array_info *info;
   tree offset;
   tree tmp_index;
   tree tmp;
@@ -2854,7 +2854,7 @@ gfc_conv_procedure_call (gfc_se * se, gfc_symbol * sym,
   tree fntype;
   gfc_se parmse;
   gfc_ss *argss;
-  gfc_ss_info *info;
+  gfc_array_info *info;
   int byref;
   int parm_kind;
   tree type;

gcc/fortran/trans-intrinsic.c

@@ -5269,7 +5269,7 @@ gfc_conv_intrinsic_transfer (gfc_se * se, gfc_expr * expr)
   gfc_actual_arglist *arg;
   gfc_se argse;
   gfc_ss *ss;
-  gfc_ss_info *info;
+  gfc_array_info *info;
   stmtblock_t block;
   int n;
   bool scalar_mold;
@@ -6757,7 +6757,7 @@ walk_inline_intrinsic_transpose (gfc_ss *ss, gfc_expr *expr)
 	  && tmp_ss->type != GFC_SS_REFERENCE)
 	{
 	  int tmp_dim;
-	  gfc_ss_info *info;
+	  gfc_array_info *info;
 
 	  info = &tmp_ss->data.info;
 	  gcc_assert (info->dimen == 2);

gcc/fortran/trans-stmt.c

@@ -193,7 +193,7 @@ gfc_conv_elemental_dependencies (gfc_se * se, gfc_se * loopse,
   gfc_loopinfo tmp_loop;
   gfc_se parmse;
   gfc_ss *ss;
-  gfc_ss_info *info;
+  gfc_array_info *info;
   gfc_symbol *fsym;
   gfc_ref *ref;
   int n;
@@ -3306,7 +3306,7 @@ gfc_trans_pointer_assign_need_temp (gfc_expr * expr1, gfc_expr * expr2,
   gfc_ss *lss, *rss;
   gfc_se lse;
   gfc_se rse;
-  gfc_ss_info *info;
+  gfc_array_info *info;
   gfc_loopinfo loop;
   tree desc;
   tree parm;

gcc/fortran/trans.h

@@ -108,15 +108,10 @@ typedef enum
 gfc_coarray_type;
 
 
-/* Scalarization State chain.  Created by walking an expression tree before
-   creating the scalarization loops. Then passed as part of a gfc_se structure
-   to translate the expression inside the loop.  Note that these chains are
-   terminated by gfc_se_terminator, not NULL.  A NULL pointer in a gfc_se
-   indicates to gfc_conv_* that this is a scalar expression.
-   Note that some member arrays correspond to scalarizer rank and others
-   are the variable rank.  */
+/* The array-specific scalarization informations.  The array members of
+   this struct are indexed by actual array index, and thus can be sparse.  */
 
-typedef struct gfc_ss_info
+typedef struct gfc_array_info
 {
   int dimen;
   /* The ref that holds information on this section.  */
@@ -144,7 +139,7 @@ typedef struct gfc_ss_info
      actual_dim = dim[loop_dim]  */
   int dim[GFC_MAX_DIMENSIONS];
 }
-gfc_ss_info;
+gfc_array_info;
 
 typedef enum
 {
@@ -190,8 +185,15 @@ typedef enum
 }
 gfc_ss_type;
 
-/* SS structures can only belong to a single loopinfo.  They must be added
+
+/* Scalarization State chain.  Created by walking an expression tree before
+   creating the scalarization loops.  Then passed as part of a gfc_se structure
+   to translate the expression inside the loop.  Note that these chains are
+   terminated by gfc_ss_terminator, not NULL.  A NULL pointer in a gfc_se
+   indicates to gfc_conv_* that this is a scalar expression.
+   SS structures can only belong to a single loopinfo.  They must be added
    otherwise they will not get freed.  */
+
 typedef struct gfc_ss
 {
   gfc_ss_type type;
@@ -217,7 +219,7 @@ typedef struct gfc_ss
     }
     temp;
     /* All other types.  */
-    gfc_ss_info info;
+    gfc_array_info info;
   }
   data;