2007-10-20 Paul Thomas <pault@gcc.gnu.org>

[pf3gnuchains/gcc-fork.git] / gcc / tree-tailcall.c

diff --git a/gcc/tree-tailcall.c b/gcc/tree-tailcall.c
index 8651b60..bd3da88 100644 (file)
--- a/gcc/tree-tailcall.c
+++ b/gcc/tree-tailcall.c
@@ -414,7 +414,8 @@ find_tail_calls (basic_block bb, struct tailcall **ret)
       /* If the statement has virtual or volatile operands, fail.  */
       ann = stmt_ann (stmt);
       if (!ZERO_SSA_OPERANDS (stmt, (SSA_OP_VUSE | SSA_OP_VIRTUAL_DEFS))
-         || ann->has_volatile_ops)
+         || ann->has_volatile_ops
+         || (!gimple_aliases_computed_p (cfun) && ann->references_memory))
        return;
     }