From: Christoph Mallon <christoph.mallon@gmx.de>
Date: Sat, 23 Aug 2008 06:06:18 +0000 (+0000)
Subject: Fix asm_test5: Prevent the ASM node from being scheduled before the Barrier, if it... 
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=14b17f60ada746bb0dd42a39e12e51becc99fdc5;p=libfirm

Fix asm_test5: Prevent the ASM node from being scheduled before the Barrier, if it has no inputs.

[r21368]
---

diff --git a/ir/be/ia32/ia32_common_transform.c b/ir/be/ia32/ia32_common_transform.c
index 82a9cde77..211c269db 100644
--- a/ir/be/ia32/ia32_common_transform.c
+++ b/ir/be/ia32/ia32_common_transform.c
@@ -659,6 +659,12 @@ ir_node *gen_ASM(ir_node *node)
 	new_node = new_rd_ia32_Asm(dbgi, irg, new_block, arity, in, out_arity,
 	                           get_ASM_text(node), register_map);
 
+	/* Prevent the ASM node from being scheduled before the Barrier, if it has
+	 * no inputs */
+	if (arity == 0 && get_irg_start_block(irg) == new_block) {
+		add_irn_dep(new_node, get_irg_frame(irg));
+	}
+
 	set_ia32_out_req_all(new_node, out_reg_reqs);
 	set_ia32_in_req_all(new_node, in_reg_reqs);