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tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b, and allow DECL_P here. 

2007-06-09  Daniel Berlin  <dberlin@dberlin.org>

	* tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
	and allow DECL_P here.

From-SVN: r125601
This commit is contained in:
Daniel Berlin 2007-06-10 14:13:18 +00:00 committed by Daniel Berlin
parent 28ec62e0a7
commit 55edccf416
2 changed files with 8 additions and 2 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2007-06-09 Daniel Berlin <dberlin@dberlin.org>
* tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
and allow DECL_P here.
2007-06-09 Zdenek Dvorak <dvorakz@suse.cz>
* tree-scalar-evolution.c (follow_ssa_edge_in_rhs,

5
gcc/tree-data-ref.c
View File

@ -1176,8 +1176,9 @@ dr_may_alias_p (struct data_reference *a, struct data_reference *b)
if (TYPE_RESTRICT (type_a) && TYPE_RESTRICT (type_b)
&& (!DR_IS_READ (a) || !DR_IS_READ (b))
&& decl_a && TREE_CODE (decl_a) == PARM_DECL
&& decl_b && TREE_CODE (decl_b) == PARM_DECL
&& decl_a && DECL_P (decl_a)
&& decl_b && DECL_P (decl_b)
&& decl_a != decl_b
&& TREE_CODE (DECL_CONTEXT (decl_a)) == FUNCTION_DECL
&& DECL_CONTEXT (decl_a) == DECL_CONTEXT (decl_b))
return false;