From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Mon, 23 Jun 2008 12:46:39 +0000 (+0000)
Subject: BugFix: cannot change the pin state of already pinned nodes
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=6620841773640dd1c02058d39aa2e13d5358ade1;p=libfirm

BugFix: cannot change the pin state of already pinned nodes

[r20215]
---

diff --git a/ir/be/ia32/ia32_transform.c b/ir/be/ia32/ia32_transform.c
index ef307471c..acb3a8412 100644
--- a/ir/be/ia32/ia32_transform.c
+++ b/ir/be/ia32/ia32_transform.c
@@ -720,7 +720,9 @@ static void set_am_attributes(ir_node *node, const ia32_address_mode_t *am)
 	set_ia32_op_type(node, am->op_type);
 	set_ia32_ls_mode(node, am->ls_mode);
 	if (am->pinned == op_pin_state_pinned) {
-		set_irn_pinned(node, am->pinned);
+		/* beware: some nodes are already pinned and did not allow to change the state */
+		if (get_irn_pinned(node) != op_pin_state_pinned)
+			set_irn_pinned(node, op_pin_state_pinned);
 	}
 	if (am->commutative)
 		set_ia32_commutative(node);