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* alias.c (get_alias_set): Fix formatting issues.

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From-SVN: r162426
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Eric Botcazou 2010-07-22 19:33:45 +00:00 committed by Eric Botcazou
parent 980a05010b
commit 7be7d292fb
2 changed files with 16 additions and 11 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2010-07-22 Eric Botcazou <ebotcazou@adacore.com>
* alias.c (get_alias_set): Fix formatting issues.
2010-07-22 Steve Ellcey <sje@cup.hp.com>
PR middle-end/44878

23
gcc/alias.c
View File

@ -688,9 +688,9 @@ get_alias_set (tree t)
conversion embedded treat it like a VIEW_CONVERT_EXPR above,
using the memory access type for determining the alias-set. */
if (TREE_CODE (inner) == MEM_REF
&& (TYPE_MAIN_VARIANT (TREE_TYPE (inner))
!= TYPE_MAIN_VARIANT
(TREE_TYPE (TREE_TYPE (TREE_OPERAND (inner, 1))))))
&& TYPE_MAIN_VARIANT (TREE_TYPE (inner))
!= TYPE_MAIN_VARIANT
(TREE_TYPE (TREE_TYPE (TREE_OPERAND (inner, 1)))))
return get_deref_alias_set (TREE_OPERAND (inner, 1));
/* Otherwise, pick up the outermost object that we could have a pointer
@ -728,10 +728,13 @@ get_alias_set (tree t)
return set;
return 0;
}
t = TYPE_CANONICAL (t);
/* Canonical types shouldn't form a tree nor should the canonical
type require structural equality checks. */
gcc_checking_assert (!TYPE_STRUCTURAL_EQUALITY_P (t) && TYPE_CANONICAL (t) == t);
gcc_checking_assert (TYPE_CANONICAL (t) == t
&& !TYPE_STRUCTURAL_EQUALITY_P (t));
/* If this is a type with a known alias set, return it. */
if (TYPE_ALIAS_SET_KNOWN_P (t))
@ -757,8 +760,7 @@ get_alias_set (tree t)
/* There are no objects of FUNCTION_TYPE, so there's no point in
using up an alias set for them. (There are, of course, pointers
and references to functions, but that's different.) */
else if (TREE_CODE (t) == FUNCTION_TYPE
|| TREE_CODE (t) == METHOD_TYPE)
else if (TREE_CODE (t) == FUNCTION_TYPE || TREE_CODE (t) == METHOD_TYPE)
set = 0;
/* Unless the language specifies otherwise, let vector types alias
@ -776,18 +778,17 @@ get_alias_set (tree t)
integer(kind=4)[4] the same alias set or not.
Just be pragmatic here and make sure the array and its element
type get the same alias set assigned. */
else if (TREE_CODE (t) == ARRAY_TYPE
&& !TYPE_NONALIASED_COMPONENT (t))
else if (TREE_CODE (t) == ARRAY_TYPE && !TYPE_NONALIASED_COMPONENT (t))
set = get_alias_set (TREE_TYPE (t));
/* Otherwise make a new alias set for this type. */
else
/* Otherwise make a new alias set for this type. */
set = new_alias_set ();
TYPE_ALIAS_SET (t) = set;
/* If this is an aggregate type, we must record any component aliasing
information. */
/* If this is an aggregate type or a complex type, we must record any
component aliasing information. */
if (AGGREGATE_TYPE_P (t) || TREE_CODE (t) == COMPLEX_TYPE)
record_component_aliases (t);