From: Richard Guenther <rguenther@suse.de>
Date: Thu, 2 Mar 2006 15:47:03 +0000 (+0000)
Subject: tree-ssa-alias.c (find_used_portions): Consider taking the address as making the... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=62c577fd5b75400ee9ee04912a63dda0120703e2;p=gcc.git

tree-ssa-alias.c (find_used_portions): Consider taking the address as making the variable not write-only.

2006-03-02  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (find_used_portions): Consider taking
	the address as making the variable not write-only.

From-SVN: r111639
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f6bad00d139..5caf2337f45 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2006-03-02  Richard Guenther  <rguenther@suse.de>
+
+	* tree-ssa-alias.c (find_used_portions): Consider taking
+	the address as making the variable not write-only.
+
 2006-03-02  Nick Clifton  <nickc@redhat.com>
 
 	* config.gcc (default_use_cxa_atexit): Extend the description of
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c
index e8579bf8b5a..eacfed70891 100644
--- a/gcc/tree-ssa-alias.c
+++ b/gcc/tree-ssa-alias.c
@@ -3071,6 +3071,8 @@ find_used_portions (tree *tp, int *walk_subtrees, void *lhs_p)
 	    up->minused = 0;
 	    up->maxused = TREE_INT_CST_LOW (DECL_SIZE (var));
 	    up->implicit_uses = true;
+	    if (!lhs_p)
+	      up->write_only = false;
 
 	    up_insert (uid, up);
 	    *walk_subtrees = 0;