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author | Jakub Jelinek <jakub@redhat.com> | 2000-06-14 07:30:09 +0200 |
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committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2000-06-14 07:30:09 +0200 |
commit | 11cf4d1831071d23c84e1add8a2d3fbdd360a82e (patch) | |
tree | 48e491d0a3752df2f9332542b6e3fd795956e7c0 /gcc/c-decl.c | |
parent | 51d0e20cae600863c06b07134419166632180a80 (diff) | |
download | gcc-11cf4d1831071d23c84e1add8a2d3fbdd360a82e.zip gcc-11cf4d1831071d23c84e1add8a2d3fbdd360a82e.tar.gz gcc-11cf4d1831071d23c84e1add8a2d3fbdd360a82e.tar.bz2 |
tree.h (TYPE_USER_ALIGN, [...]): Define.
* tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
(struct tree_type, struct tree_decl): Add user_align member.
* stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
(place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
and DECL_USER_ALIGN 0, cap alignment to this value.
(place_field): Likewise.
(finalize_type_size): Set TYPE_USER_ALIGN.
(layout_type): Likewise.
(initialize_sizetypes): Likewise.
* c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
DECL_USER_ALIGN to 1.
* c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
(xfer_tag): Set TYPE_USER_ALIGN.
(finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
(finish_enum): Likewise.
* stmt.c (expand_decl): Set DECL_USER_ALIGN.
(expand_anon_union_decl): Likewise.
* tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
(build_index_type): Set TYPE_USER_ALIGN.
(build_range_type): Likewise.
(build_common_tree_nodes_2): Likewise.
* tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
ch/:
* decl.c (init_decl_processing): Set TYPE_USER_ALIGN.
(layout_enum): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
* typeck.c (layout_chill_range_type): Set TYPE_USER_ALIGN.
(apply_chill_field_layout): Set DECL_USER_ALIGN.
(layout_chill_struct_type): Set TYPE_USER_ALIGN.
cp/:
* class.c (build_secondary_vtable): Set DECL_USER_ALIGN.
(check_bitfield_decl, check_field_decl): Likewise.
(build_vtbl_or_vbase_field, build_base_field): Likewise.
(layout_class_type): Set DECL_USER_ALIGN resp. CLASSTYPE_USER_ALIGN.
* decl.c (record_unknown_type): Set TYPE_USER_ALIGN.
(xfer_tag, finish_enum): Likewise.
* decl2.c (finish_builtin_type): Likewise.
* init.c (init_init_processing): Likewise.
* pt.c (instantiate_class_template): Likewise.
* rtti.c (get_tinfo_decl, synthesize_tinfo_fn): Set DECL_USER_ALIGN.
* cp-tree.h (struct lang_type): Add user_align member.
(CLASSTYPE_USER_ALIGN): Define.
f/:
* com.c (ffecom_transform_common_): Set DECL_USER_ALIGN.
(ffecom_transform_equiv_, ffecom_decl_field): Likewise.
(ffecom_init_0): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
(duplicate_decls): Set DECL_USER_ALIGN.
java/:
* typeck.c (build_java_array_type): Set TYPE_USER_ALIGN.
* parse.y (java_complete_class): Set DECL_USER_ALIGN.
* parse.c: Rebuilt.
From-SVN: r34541
Diffstat (limited to 'gcc/c-decl.c')
-rw-r--r-- | gcc/c-decl.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 5ee40ba..cabc4c1 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -1805,7 +1805,10 @@ duplicate_decls (newdecl, olddecl, different_binding_level) DECL_MODE (newdecl) = DECL_MODE (olddecl); if (TREE_CODE (olddecl) != FUNCTION_DECL) if (DECL_ALIGN (olddecl) > DECL_ALIGN (newdecl)) - DECL_ALIGN (newdecl) = DECL_ALIGN (olddecl); + { + DECL_ALIGN (newdecl) = DECL_ALIGN (olddecl); + DECL_USER_ALIGN (newdecl) |= DECL_ALIGN (olddecl); + } } /* Keep the old rtl since we can safely use it. */ @@ -5102,6 +5105,7 @@ xref_tag (code, name) to avoid crashing if it does not get defined. */ TYPE_MODE (ref) = TYPE_MODE (unsigned_type_node); TYPE_ALIGN (ref) = TYPE_ALIGN (unsigned_type_node); + TYPE_USER_ALIGN (ref) = 0; TREE_UNSIGNED (ref) = 1; TYPE_PRECISION (ref) = TYPE_PRECISION (unsigned_type_node); TYPE_MIN_VALUE (ref) = TYPE_MIN_VALUE (unsigned_type_node); @@ -5328,8 +5332,11 @@ finish_struct (t, fieldlist, attributes) #endif #ifdef PCC_BITFIELD_TYPE_MATTERS if (PCC_BITFIELD_TYPE_MATTERS) - DECL_ALIGN (x) = MAX (DECL_ALIGN (x), - TYPE_ALIGN (TREE_TYPE (x))); + { + DECL_ALIGN (x) = MAX (DECL_ALIGN (x), + TYPE_ALIGN (TREE_TYPE (x))); + DECL_USER_ALIGN (x) |= TYPE_USER_ALIGN (TREE_TYPE (x)); + } #endif } } @@ -5343,6 +5350,8 @@ finish_struct (t, fieldlist, attributes) /* Non-bit-fields are aligned for their type, except packed fields which require only BITS_PER_UNIT alignment. */ DECL_ALIGN (x) = MAX (DECL_ALIGN (x), min_align); + if (! DECL_PACKED (x)) + DECL_USER_ALIGN (x) |= TYPE_USER_ALIGN (TREE_TYPE (x)); } DECL_INITIAL (x) = 0; @@ -5400,6 +5409,7 @@ finish_struct (t, fieldlist, attributes) TYPE_FIELDS (x) = TYPE_FIELDS (t); TYPE_LANG_SPECIFIC (x) = TYPE_LANG_SPECIFIC (t); TYPE_ALIGN (x) = TYPE_ALIGN (t); + TYPE_USER_ALIGN (x) = TYPE_USER_ALIGN (t); } /* If this was supposed to be a transparent union, but we can't @@ -5584,6 +5594,7 @@ finish_enum (enumtype, values, attributes) DECL_SIZE (enu) = TYPE_SIZE (enumtype); DECL_SIZE_UNIT (enu) = TYPE_SIZE_UNIT (enumtype); DECL_ALIGN (enu) = TYPE_ALIGN (enumtype); + DECL_USER_ALIGN (enu) = TYPE_USER_ALIGN (enumtype); DECL_MODE (enu) = TYPE_MODE (enumtype); DECL_INITIAL (enu) = convert (enumtype, DECL_INITIAL (enu)); @@ -5607,6 +5618,7 @@ finish_enum (enumtype, values, attributes) TYPE_MODE (tem) = TYPE_MODE (enumtype); TYPE_PRECISION (tem) = TYPE_PRECISION (enumtype); TYPE_ALIGN (tem) = TYPE_ALIGN (enumtype); + TYPE_USER_ALIGN (tem) = TYPE_USER_ALIGN (enumtype); TREE_UNSIGNED (tem) = TREE_UNSIGNED (enumtype); } |