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c-common.c (handle_mode_attribute): When not modifying in place, create subtypes for enumerations.

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* c-common.c (handle_mode_attribute): When not modifying in place,
        create subtypes for enumerations.
        (sync_resolve_return): Use TYPE_MAIN_VARIANT.
        * gimplify.c (create_tmp_from_val): Likewise.

From-SVN: r104603
This commit is contained in:
Richard Henderson 2005-09-24 09:21:43 -07:00 committed by Richard Henderson
parent e347ff9e3d
commit 99db1ef0e2
3 changed files with 27 additions and 16 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2005-09-24 Richard Henderson <rth@redhat.com>
* c-common.c (handle_mode_attribute): When not modifying in place,
create subtypes for enumerations.
(sync_resolve_return): Use TYPE_MAIN_VARIANT.
* gimplify.c (create_tmp_from_val): Likewise.
2005-09-24 Alexandre Oliva <aoliva@redhat.com>
* config/i386/i386.md (*tls_global_dynamic_64,

34
gcc/c-common.c
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@ -4520,21 +4520,24 @@ handle_mode_attribute (tree *node, tree name, tree args,
return NULL_TREE;
}
if (!(flags & (int) ATTR_FLAG_TYPE_IN_PLACE))
type = build_variant_type_copy (type);
/* We cannot use layout_type here, because that will attempt
to re-layout all variants, corrupting our original. */
TYPE_PRECISION (type) = TYPE_PRECISION (typefm);
TYPE_MIN_VALUE (type) = TYPE_MIN_VALUE (typefm);
TYPE_MAX_VALUE (type) = TYPE_MAX_VALUE (typefm);
TYPE_SIZE (type) = TYPE_SIZE (typefm);
TYPE_SIZE_UNIT (type) = TYPE_SIZE_UNIT (typefm);
TYPE_MODE (type) = TYPE_MODE (typefm);
if (!TYPE_USER_ALIGN (type))
TYPE_ALIGN (type) = TYPE_ALIGN (typefm);
typefm = type;
if (flags & ATTR_FLAG_TYPE_IN_PLACE)
{
TYPE_PRECISION (type) = TYPE_PRECISION (typefm);
typefm = type;
}
else
{
/* We cannot build a type variant, as there's code that assumes
that TYPE_MAIN_VARIANT has the same mode. This includes the
debug generators. Instead, create a subrange type. This
results in all of the enumeral values being emitted only once
in the original, and the subtype gets them by reference. */
if (TYPE_UNSIGNED (type))
typefm = make_unsigned_type (TYPE_PRECISION (typefm));
else
typefm = make_signed_type (TYPE_PRECISION (typefm));
TREE_TYPE (typefm) = type;
}
}
else if (VECTOR_MODE_P (mode)
? TREE_CODE (type) != TREE_CODE (TREE_TYPE (typefm))
@ -6119,6 +6122,7 @@ static tree
sync_resolve_return (tree params, tree result)
{
tree ptype = TREE_TYPE (TREE_TYPE (TREE_VALUE (params)));
ptype = TYPE_MAIN_VARIANT (ptype);
return convert (ptype, result);
}

2
gcc/gimplify.c
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@ -404,7 +404,7 @@ get_name (tree t)
static inline tree
create_tmp_from_val (tree val)
{
return create_tmp_var (TREE_TYPE (val), get_name (val));
return create_tmp_var (TYPE_MAIN_VARIANT (TREE_TYPE (val)), get_name (val));
}
/* Create a temporary to hold the value of VAL. If IS_FORMAL, try to reuse