diff options
Diffstat (limited to 'gcc-4.9/gcc/c-family/c-common.c')
| -rw-r--r-- | gcc-4.9/gcc/c-family/c-common.c | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/gcc-4.9/gcc/c-family/c-common.c b/gcc-4.9/gcc/c-family/c-common.c index 9923928fe..41f81221f 100644 --- a/gcc-4.9/gcc/c-family/c-common.c +++ b/gcc-4.9/gcc/c-family/c-common.c @@ -336,6 +336,7 @@ static tree handle_mode_attribute (tree *, tree, tree, int, bool *); static tree handle_section_attribute (tree *, tree, tree, int, bool *); static tree handle_aligned_attribute (tree *, tree, tree, int, bool *); static tree handle_weak_attribute (tree *, tree, tree, int, bool *) ; +static tree handle_noplt_attribute (tree *, tree, tree, int, bool *) ; static tree handle_alias_ifunc_attribute (bool, tree *, tree, tree, bool *); static tree handle_ifunc_attribute (tree *, tree, tree, int, bool *); static tree handle_alias_attribute (tree *, tree, tree, int, bool *); @@ -673,6 +674,8 @@ const struct attribute_spec c_common_attribute_table[] = handle_aligned_attribute, false }, { "weak", 0, 0, true, false, false, handle_weak_attribute, false }, + { "noplt", 0, 0, true, false, false, + handle_noplt_attribute, false }, { "ifunc", 1, 1, true, false, false, handle_ifunc_attribute, false }, { "alias", 1, 1, true, false, false, @@ -4948,16 +4951,18 @@ min_align_of_type (tree type) { unsigned int align = TYPE_ALIGN (type); align = MIN (align, BIGGEST_ALIGNMENT); + if (!TYPE_USER_ALIGN (type)) + { #ifdef BIGGEST_FIELD_ALIGNMENT - align = MIN (align, BIGGEST_FIELD_ALIGNMENT); + align = MIN (align, BIGGEST_FIELD_ALIGNMENT); #endif - unsigned int field_align = align; + unsigned int field_align = align; #ifdef ADJUST_FIELD_ALIGN - tree field = build_decl (UNKNOWN_LOCATION, FIELD_DECL, NULL_TREE, - type); - field_align = ADJUST_FIELD_ALIGN (field, field_align); + tree field = build_decl (UNKNOWN_LOCATION, FIELD_DECL, NULL_TREE, type); + field_align = ADJUST_FIELD_ALIGN (field, field_align); #endif - align = MIN (align, field_align); + align = MIN (align, field_align); + } return align / BITS_PER_UNIT; } @@ -7666,6 +7671,25 @@ handle_weak_attribute (tree *node, tree name, return NULL_TREE; } +/* Handle a "noplt" attribute; arguments as in + struct attribute_spec.handler. */ + +static tree +handle_noplt_attribute (tree *node, tree name, + tree ARG_UNUSED (args), + int ARG_UNUSED (flags), + bool * ARG_UNUSED (no_add_attrs)) +{ + if (TREE_CODE (*node) != FUNCTION_DECL) + { + warning (OPT_Wattributes, + "%qE attribute is only applicable on functions", name); + *no_add_attrs = true; + return NULL_TREE; + } + return NULL_TREE; +} + /* Handle an "alias" or "ifunc" attribute; arguments as in struct attribute_spec.handler, except that IS_ALIAS tells us whether this is an alias as opposed to ifunc attribute. */ @@ -10454,7 +10478,8 @@ get_atomic_generic_size (location_t loc, tree function, function); return 0; } - size = tree_to_uhwi (TYPE_SIZE_UNIT (TREE_TYPE (type))); + tree type_size = TYPE_SIZE_UNIT (TREE_TYPE (type)); + size = type_size ? tree_to_uhwi (type_size) : 0; if (size != size_0) { error_at (loc, "size mismatch in argument %d of %qE", x + 1, |