From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Wed, 17 Oct 2007 12:39:29 +0000 (+0000)
Subject: enable Minus(Iu) const folding
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=8c921a4125e1bf8e53e0c21da8c015158fdceb22;p=libfirm

enable Minus(Iu) const folding

[r16245]
---

diff --git a/ir/ir/iropt.c b/ir/ir/iropt.c
index e84ec2949..916a2ceb9 100644
--- a/ir/ir/iropt.c
+++ b/ir/ir/iropt.c
@@ -178,7 +178,7 @@ static tarval *computed_value_Minus(ir_node *n) {
 	ir_node *a = get_Minus_op(n);
 	tarval *ta = value_of(a);
 
-	if ((ta != tarval_bad) && mode_is_signed(get_irn_mode(a)))
+	if (ta != tarval_bad)
 		return tarval_neg(ta);
 
 	return tarval_bad;