(jump_optimize): Only use a REG as a target.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@2379 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/jump.c b/gcc/jump.c
index 21536b1..8ed0c98 100644 (file)
--- a/gcc/jump.c
+++ b/gcc/jump.c
@@ -1123,7 +1123,9 @@ jump_optimize (f, cross_jump, noop_moves, after_regscan)
                        {
                          tem2 = expand_unop (GET_MODE (var), one_cmpl_optab,
                                              target, NULL_RTX, 0);
-                         tem2 = expand_and (cval, tem2, tem2);
+                         tem2 = expand_and (cval, tem2,
+                                            (GET_CODE (tem2) == REG
+                                             ? tem2 : 0));
                        }
 
                      /* If we usually make new pseudos, do so here.  This