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| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-01-29 22:23:10 +0000 |
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| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-01-29 22:23:10 +0000 |
| commit | 0237aca822633e8e927f1b1d4d1e814364150d20 (patch) | |
| tree | 3be7cb2f6188c3efff67ae9aa40c8dd9a65d151e /gcc/tree.c | |
| parent | 58cec03f97bf8027c6bd0a3149eca09db5c0bb31 (diff) | |
| download | gcc-0237aca822633e8e927f1b1d4d1e814364150d20.tar.gz | |
Revert
2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
* tree.c (build_qualified_type): Chain the new type to the original
type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
a POINTER_TYPE or a REFERENCE_TYPE respectively.
(build_pointer_type_for_mode): Only return unqualified types.
(build_reference_type_for_mode): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110382 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree.c')
| -rw-r--r-- | gcc/tree.c | 30 |
1 files changed, 6 insertions, 24 deletions
diff --git a/gcc/tree.c b/gcc/tree.c index a4c8822446b..456b3e1d2d5 100644 --- a/gcc/tree.c +++ b/gcc/tree.c @@ -3738,20 +3738,6 @@ build_qualified_type (tree type, int type_quals) { t = build_variant_type_copy (type); set_type_quals (t, type_quals); - - /* If it's a pointer type, the new variant points to the same type. */ - if (TREE_CODE (type) == POINTER_TYPE) - { - TYPE_NEXT_PTR_TO (t) = TYPE_NEXT_PTR_TO (type); - TYPE_NEXT_PTR_TO (type) = t; - } - - /* Same for a reference type. */ - else if (TREE_CODE (type) == REFERENCE_TYPE) - { - TYPE_NEXT_REF_TO (t) = TYPE_NEXT_REF_TO (type); - TYPE_NEXT_REF_TO (type) = t; - } } return t; @@ -4867,12 +4853,10 @@ build_pointer_type_for_mode (tree to_type, enum machine_mode mode, && TREE_CODE (TYPE_POINTER_TO (to_type)) != POINTER_TYPE) return TYPE_POINTER_TO (to_type); - /* First, if we already have an unqualified type for pointers to TO_TYPE - and it's the proper mode, use it. */ + /* First, if we already have a type for pointers to TO_TYPE and it's + the proper mode, use it. */ for (t = TYPE_POINTER_TO (to_type); t; t = TYPE_NEXT_PTR_TO (t)) - if (TYPE_MODE (t) == mode - && !TYPE_QUALS (t) - && TYPE_REF_CAN_ALIAS_ALL (t) == can_alias_all) + if (TYPE_MODE (t) == mode && TYPE_REF_CAN_ALIAS_ALL (t) == can_alias_all) return t; t = make_node (POINTER_TYPE); @@ -4918,12 +4902,10 @@ build_reference_type_for_mode (tree to_type, enum machine_mode mode, && TREE_CODE (TYPE_REFERENCE_TO (to_type)) != REFERENCE_TYPE) return TYPE_REFERENCE_TO (to_type); - /* First, if we already have an unqualified type for references to TO_TYPE - and it's the proper mode, use it. */ + /* First, if we already have a type for pointers to TO_TYPE and it's + the proper mode, use it. */ for (t = TYPE_REFERENCE_TO (to_type); t; t = TYPE_NEXT_REF_TO (t)) - if (TYPE_MODE (t) == mode - && !TYPE_QUALS (t) - && TYPE_REF_CAN_ALIAS_ALL (t) == can_alias_all) + if (TYPE_MODE (t) == mode && TYPE_REF_CAN_ALIAS_ALL (t) == can_alias_all) return t; t = make_node (REFERENCE_TYPE); |