alias.c (component_uses_parent_alias_set): Rename from can_address_p.

        * alias.c (component_uses_parent_alias_set): Rename from
        can_address_p.  Return bool.  Reverse the sense of the result.
        Reinstate the check for alias set zero.
        (get_alias_set): Update to match.
        * alias.h (component_uses_parent_alias_set): Likewise.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
        * expr.c (expand_assignment): Likewise.
        * expr.h: Remove commented out prototypes that were moved to alias.h.

From-SVN: r91712

1 files changed, 1 insertions, 2 deletions

diff --git a/gcc/expr.c b/gcc/expr.c
index ec25713..1a43145 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -3810,8 +3810,7 @@ expand_assignment (tree to, tree from)
 		 done for MEM.  Also set MEM_KEEP_ALIAS_SET_P if needed.  */
 	      if (volatilep)
 		MEM_VOLATILE_P (to_rtx) = 1;
-
-	      if (!can_address_p (to))
+	      if (component_uses_parent_alias_set (to))
 		MEM_KEEP_ALIAS_SET_P (to_rtx) = 1;
 	    }