re PR libfortran/37839 (st_parameter_dt has unwanted padding, is out of sync with compiler)

	PR libfortran/37839
	* trans-io.c (gfc_build_io_library_fndecls): Decrease pad size back
	to 16 pointers plus 32 integers.  Don't use max integer kind
	alignment, only gfc_intio_kind's alignment.
	(gfc_trans_inquire): Only set flags2 if mask2 is non-zero.
	* ioparm.def: Fix order, bitmasks and types of inquire round, sign
	and pending fields.  Move u in dt before id.
	* io.c (gfc_free_inquire): Free decimal and size exprs.
	(match_inquire_element): Match size instead of matching blank twice.
	(gfc_resolve_inquire): Resolve size.

	* gfortran.dg/f2003_inquire_1.f03: New test.
	* gfortran.dg/f2003_io_1.f03: Remove xfail.
	* gfortran.dg/f2003_io_4.f03: Likewise.
	* gfortran.dg/f2003_io_5.f03: Likewise.
	* gfortran.dg/f2003_io_6.f03: Likewise.
	* gfortran.dg/f2003_io_7.f03: Likewise.

	* io/io.h (IOPARM_INQUIRE_HAS_ROUND, IOPARM_INQUIRE_HAS_SIGN,
	IOPARM_INQUIRE_HAS_PENDING): Adjust values.
	(st_parameter_inquire): Reorder and fix types of round, sign and
	pending fields.
	(st_parameter_43, st_parameter_44): Removed.
	(st_parameter_dt): Put back struct definition directly to u.p
	declaration.  Change type of u.p.size_used from gfc_offset to
	GFC_IO_INT.  Decrease back size of u.pad to 16 pointers and
	32 ints.  Put id, pos, asynchronous, blank, decimal, delim,
	pad, round and sign fields after the union.
	* io/inquire.c (inquire_via_unit, inquire_via_filename): Only read
	flags2 if it is defined.
	* io/transfer.c (read_sf, read_block_form, write_block): Cast
	additions to size_used to GFC_IO_INT instead of gfc_offset.
	(data_transfer_init): Clear whole u.p struct.  Adjust
	for moving id, pos, asynchronous, blank, decimal, delim, pad,
	round and sign fields from u.p directly into st_parameter_dt.
	(finalize_transfer): Don't cast size_used to GFC_IO_INT.
	* io/file_pos.c (st_endfile): Clear whole u.p struct.

From-SVN: r142111

4 files changed, 25 insertions, 11 deletions

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 941186f..f1ac3ed 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,16 @@
+2008-11-22  Jakub Jelinek  <jakub@redhat.com>
+
+	PR libfortran/37839
+	* trans-io.c (gfc_build_io_library_fndecls): Decrease pad size back
+	to 16 pointers plus 32 integers.  Don't use max integer kind
+	alignment, only gfc_intio_kind's alignment.
+	(gfc_trans_inquire): Only set flags2 if mask2 is non-zero.
+	* ioparm.def: Fix order, bitmasks and types of inquire round, sign
+	and pending fields.  Move u in dt before id.
+	* io.c (gfc_free_inquire): Free decimal and size exprs.
+	(match_inquire_element): Match size instead of matching blank twice.
+	(gfc_resolve_inquire): Resolve size.
+
 2008-11-20  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/29215
diff --git a/gcc/fortran/io.c b/gcc/fortran/io.c
index 1c42a96..85b712f 100644
--- a/gcc/fortran/io.c
+++ b/gcc/fortran/io.c
@@ -3540,9 +3540,11 @@ gfc_free_inquire (gfc_inquire *inquire)
   gfc_free_expr (inquire->convert);
   gfc_free_expr (inquire->strm_pos);
   gfc_free_expr (inquire->asynchronous);
+  gfc_free_expr (inquire->decimal);
   gfc_free_expr (inquire->pending);
   gfc_free_expr (inquire->id);
   gfc_free_expr (inquire->sign);
+  gfc_free_expr (inquire->size);
   gfc_free_expr (inquire->round);
   gfc_free (inquire);
 }
@@ -3584,7 +3586,7 @@ match_inquire_element (gfc_inquire *inquire)
   RETM m = match_vtag (&tag_s_async, &inquire->asynchronous);
   RETM m = match_vtag (&tag_s_delim, &inquire->delim);
   RETM m = match_vtag (&tag_s_decimal, &inquire->decimal);
-  RETM m = match_vtag (&tag_s_blank, &inquire->blank);
+  RETM m = match_vtag (&tag_size, &inquire->size);
   RETM m = match_vtag (&tag_s_encoding, &inquire->encoding);
   RETM m = match_vtag (&tag_s_round, &inquire->round);
   RETM m = match_vtag (&tag_s_sign, &inquire->sign);
@@ -3761,6 +3763,7 @@ gfc_resolve_inquire (gfc_inquire *inquire)
   RESOLVE_TAG (&tag_s_sign, inquire->sign);
   RESOLVE_TAG (&tag_s_round, inquire->round);
   RESOLVE_TAG (&tag_pending, inquire->pending);
+  RESOLVE_TAG (&tag_size, inquire->size);
   RESOLVE_TAG (&tag_id, inquire->id);
 
   if (gfc_reference_st_label (inquire->err, ST_LABEL_TARGET) == FAILURE)
diff --git a/gcc/fortran/ioparm.def b/gcc/fortran/ioparm.def
index deb1b98..eba719f 100644
--- a/gcc/fortran/ioparm.def
+++ b/gcc/fortran/ioparm.def
@@ -63,9 +63,9 @@ IOPARM (inquire, flags2,	1 << 31, int4)
 IOPARM (inquire, asynchronous,	1 << 0,  char1)
 IOPARM (inquire, decimal,	1 << 1,  char2)
 IOPARM (inquire, encoding,	1 << 2,  char1)
-IOPARM (inquire, pending,	1 << 3,  pint4)
-IOPARM (inquire, round,	        1 << 4,  char1)
-IOPARM (inquire, sign,		1 << 5,  char2)
+IOPARM (inquire, round,		1 << 3,  char2)
+IOPARM (inquire, sign,		1 << 4,  char1)
+IOPARM (inquire, pending,	1 << 5,  pint4)
 IOPARM (inquire, size,		1 << 6,  pint4)
 IOPARM (inquire, id,		1 << 7,  pint4)
 IOPARM (wait,    common,	0,	 common)
@@ -83,6 +83,7 @@ IOPARM (dt,      format,	1 << 12, char1)
 IOPARM (dt,      advance,	1 << 13, char2)
 IOPARM (dt,      internal_unit,	1 << 14, char1)
 IOPARM (dt,      namelist_name,	1 << 15, char2)
+IOPARM (dt,      u,		0,	 pad)
 IOPARM (dt,      id,		1 << 16, pint4)
 IOPARM (dt,      pos,		1 << 17, intio)
 IOPARM (dt,      asynchronous, 	1 << 18, char1)
@@ -92,4 +93,3 @@ IOPARM (dt,      delim,		1 << 21, char2)
 IOPARM (dt,      pad,		1 << 22, char1)
 IOPARM (dt,      round,		1 << 23, char2)
 IOPARM (dt,      sign,		1 << 24, char1)
-IOPARM (dt,      u,		0,	 pad)
diff --git a/gcc/fortran/trans-io.c b/gcc/fortran/trans-io.c
index af46ea2..b5749ec 100644
--- a/gcc/fortran/trans-io.c
+++ b/gcc/fortran/trans-io.c
@@ -291,9 +291,9 @@ gfc_build_io_library_fndecls (void)
 			    = build_pointer_type (gfc_intio_type_node);
   types[IOPARM_type_parray] = pchar_type_node;
   types[IOPARM_type_pchar] = pchar_type_node;
-  pad_size = 32 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (pchar_type_node));
+  pad_size = 16 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (pchar_type_node));
   pad_size += 32 * TREE_INT_CST_LOW (TYPE_SIZE_UNIT (integer_type_node));
-  pad_idx = build_index_type (build_int_cst (NULL_TREE, pad_size));
+  pad_idx = build_index_type (build_int_cst (NULL_TREE, pad_size - 1));
   types[IOPARM_type_pad] = build_array_type (char_type_node, pad_idx);
 
   /* pad actually contains pointers and integers so it needs to have an
@@ -301,7 +301,7 @@ gfc_build_io_library_fndecls (void)
      types.  See the st_parameter_dt structure in libgfortran/io/io.h for
      what really goes into this space.  */
   TYPE_ALIGN (types[IOPARM_type_pad]) = MAX (TYPE_ALIGN (pchar_type_node),
-		     TYPE_ALIGN (gfc_get_int_type (gfc_max_integer_kind)));
+		     TYPE_ALIGN (gfc_get_int_type (gfc_intio_kind)));
 
   for (ptype = IOPARM_ptype_common; ptype < IOPARM_ptype_num; ptype++)
     gfc_build_st_parameter (ptype, types);
@@ -1315,10 +1315,8 @@ gfc_trans_inquire (gfc_code * code)
     mask2 |= set_parameter_ref (&block, &post_block,var, IOPARM_inquire_id,
 				p->id);
 
-  set_parameter_const (&block, var, IOPARM_inquire_flags2, mask2);
-
   if (mask2)
-    mask |= IOPARM_inquire_flags2;
+    mask |= set_parameter_const (&block, var, IOPARM_inquire_flags2, mask2);
 
   set_parameter_const (&block, var, IOPARM_common_flags, mask);