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stor-layout.c (place_field): Finalize non-constant offset for the field, if any.

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* stor-layout.c (place_field): Finalize non-constant offset for the
	field, if any.
ada/
	* gcc-interface/decl.c (create_field_decl_from): Finalize non-constant
	offset for the field, if any.

From-SVN: r209369
This commit is contained in:
Eric Botcazou 2014-04-14 13:33:23 +00:00 committed by Eric Botcazou
parent 069fdd05da
commit cb27986c9b
4 changed files with 16 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2014-04-14 Eric Botcazou <ebotcazou@adacore.com>
* stor-layout.c (place_field): Finalize non-constant offset for the
field, if any.
2014-04-14 Richard Biener <rguenther@suse.de>
* tree-switch-conversion.c (lshift_cheap_p): Get speed_p

5
gcc/ada/ChangeLog
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@ -1,3 +1,8 @@
2014-04-14 Eric Botcazou <ebotcazou@adacore.com>
* gcc-interface/decl.c (create_field_decl_from): Finalize non-constant
offset for the field, if any.
2014-04-09 Eric Botcazou <ebotcazou@adacore.com>
Svante Signell <svante.signell@gmail.com>

3
gcc/ada/gcc-interface/decl.c
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@ -8443,7 +8443,8 @@ create_field_decl_from (tree old_field, tree field_type, tree record_type,
if (!new_pos)
{
normalize_offset (&pos, &bitpos, offset_align);
DECL_FIELD_OFFSET (new_field) = pos;
/* Finalize the position. */
DECL_FIELD_OFFSET (new_field) = variable_size (pos);
DECL_FIELD_BIT_OFFSET (new_field) = bitpos;
SET_DECL_OFFSET_ALIGN (new_field, offset_align);
DECL_SIZE (new_field) = size;

4
gcc/stor-layout.c
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@ -1417,6 +1417,10 @@ place_field (record_layout_info rli, tree field)
DECL_FIELD_BIT_OFFSET (field) = rli->bitpos;
SET_DECL_OFFSET_ALIGN (field, rli->offset_align);
/* Evaluate nonconstant offsets only once, either now or as soon as safe. */
if (TREE_CODE (DECL_FIELD_OFFSET (field)) != INTEGER_CST)
DECL_FIELD_OFFSET (field) = variable_size (DECL_FIELD_OFFSET (field));
/* If this field ended up more aligned than we thought it would be (we
approximate this by seeing if its position changed), lay out the field
again; perhaps we can use an integral mode for it now. */