From: Matthias Braun <matze@braunis.de>
Date: Sat, 2 Jun 2007 21:04:22 +0000 (+0000)
Subject: attempt to fix Leas being placed before barrier
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=adf4f66369a5bc8eb051a3911a1076241f4a47df;p=libfirm

attempt to fix Leas being placed before barrier

[r14276]
---

diff --git a/ir/be/ia32/ia32_optimize.c b/ir/be/ia32/ia32_optimize.c
index a30c88abf..600fb26f6 100644
--- a/ir/be/ia32/ia32_optimize.c
+++ b/ir/be/ia32/ia32_optimize.c
@@ -77,9 +77,7 @@ void ia32_pre_transform_phase(ia32_code_gen_t *cg) {
 		- the psi condition tree transformer needs existing constants to be ia32 constants
 		- the psi condition tree transformer inserts new firm constants which need to be transformed
 	*/
-	//ia32_transform_all_firm_consts(cg);
 	irg_walk_graph(cg->irg, NULL, ia32_transform_psi_cond_tree, cg);
-	//ia32_transform_all_firm_consts(cg);
 }
 
 /********************************************************************************************************
@@ -980,6 +978,10 @@ static ir_node *fold_addr(ia32_code_gen_t *cg, ir_node *irn) {
 	/* ok, we can create a new LEA */
 	if (dolea) {
 		res = new_rd_ia32_Lea(dbg_info, irg, block, base, index);
+		/* we don't want stuff before the barrier... */
+		if(be_is_NoReg(cg, base) && be_is_NoReg(cg, index)) {
+			add_irn_dep(res, get_irg_frame(irg));
+		}
 
 		/* add the old offset of a previous LEA */
 		add_ia32_am_offs_int(res, offs);