From: Christian Würdig <chriswue@ipd.info.uni-karlsruhe.de>
Date: Fri, 19 Jan 2007 16:04:49 +0000 (+0000)
Subject: added new abi callback (fix stack phis)
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=757dc2b988a8bde0484b994fc129911596a405d1;p=libfirm

added new abi callback (fix stack phis)
---

diff --git a/ir/be/beabi.c b/ir/be/beabi.c
index 86184d061..f41a7aee7 100644
--- a/ir/be/beabi.c
+++ b/ir/be/beabi.c
@@ -1926,15 +1926,20 @@ void be_abi_fix_stack_nodes(be_abi_irg_t *env, be_lv_t *lv)
 {
 	pset *stack_nodes = pset_new_ptr(16);
 	struct fix_stack_walker_info info;
+	int collect_phis;
 
 	info.nodes = stack_nodes;
 	info.aenv  = env->birg->main_env->arch_env;
 
 	be_assure_dom_front(env->birg);
 
+
 	irg_walk_graph(env->birg->irg, collect_stack_nodes_walker, NULL, &info);
 	pset_insert_ptr(stack_nodes, env->init_sp);
-	be_ssa_constr_set_phis(env->birg->dom_front, lv, stack_nodes, env->stack_phis);
+	collect_phis = 1;
+	if (env->call->cb->collect_stack_phis)
+		collect_phis = env->call->cb->collect_stack_phis(env->cb);
+	be_ssa_constr_set_phis(env->birg->dom_front, lv, stack_nodes, collect_phis ? env->stack_phis : NULL);
 	del_pset(stack_nodes);
 }
 
diff --git a/ir/be/beabi.h b/ir/be/beabi.h
index 8aa69d681..5baed2d8c 100644
--- a/ir/be/beabi.h
+++ b/ir/be/beabi.h
@@ -82,6 +82,8 @@ struct _be_abi_callbacks_t {
 	 * Also, the @p mem variable must be updated, if memory producing nodes are inserted.
 	 */
 	void (*epilogue)(void *self, ir_node *bl, ir_node **mem, pmap *reg_map);
+
+	int (*collect_stack_phis)(void *self);
 };
 
 /**