From: Christoph Mallon <christoph.mallon@gmx.de>
Date: Wed, 6 Aug 2008 20:13:39 +0000 (+0000)
Subject: Fix transform_node_Cmp() (r20946): Transform Cmp(-a, -b) to Cmp(b, a), not Cmp(a... 
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=0192edc6efbc1e0c83a28af849c1f6fd6219bf52;p=libfirm

Fix transform_node_Cmp() (r20946): Transform Cmp(-a, -b) to Cmp(b, a), not Cmp(a, b).

[r21022]
---

diff --git a/ir/ir/iropt.c b/ir/ir/iropt.c
index ff1dcf3b9..efe954f0b 100644
--- a/ir/ir/iropt.c
+++ b/ir/ir/iropt.c
@@ -3117,10 +3117,10 @@ static ir_node *transform_node_Cmp(ir_node *n) {
 
 	if (is_Minus(left) && is_Minus(right) &&
 		!mode_overflow_on_unary_Minus(get_irn_mode(left))) {
-		left  = get_Minus_op(left);
-		right = get_Minus_op(right);
+		ir_node *const new_left  = get_Minus_op(right);
+		ir_node *const new_right = get_Minus_op(left);
 		n = new_rd_Cmp(get_irn_dbg_info(n), current_ir_graph,
-			get_nodes_block(n), left, right);
+			get_nodes_block(n), new_left, new_right);
 		DBG_OPT_ALGSIM0(oldn, n, FS_OPT_CMP_OP_OP);
 	}
 	return n;