From 3e232b199304400b45a4064b3d8825c3624eb636 Mon Sep 17 00:00:00 2001
From: Matthias Braun <matze@braunis.de>
Date: Tue, 4 Sep 2007 14:13:59 +0000
Subject: [PATCH] we can't negate ConstP

[r15666]
---
 ir/ir/iropt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ir/ir/iropt.c b/ir/ir/iropt.c
index 7164938c4..62f43dd88 100644
--- a/ir/ir/iropt.c
+++ b/ir/ir/iropt.c
@@ -2047,7 +2047,7 @@ restart:
 		return n;
 
 	/* Sub(a, Const) -> Add(a, -Const) */
-	if (is_Const(b)) {
+	if (is_Const(b) && get_irn_mode(b) != mode_P) {
 		tarval *tv = get_Const_tarval(b);
 
 		tv = tarval_neg(tv);
-- 
2.20.1