From: Christoph Mallon <christoph.mallon@gmx.de>
Date: Sat, 4 Oct 2008 16:57:08 +0000 (+0000)
Subject: Treat conversions between the same size as downconv to get rid of unnecessary convers... 
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=edb11cbddcf9e4fef1bde33d576003af8a6a3323;p=libfirm

Treat conversions between the same size as downconv to get rid of unnecessary conversions.

[r22477]
---

diff --git a/ir/opt/convopt.c b/ir/opt/convopt.c
index 5ecf85e77..354c2d5ff 100644
--- a/ir/opt/convopt.c
+++ b/ir/opt/convopt.c
@@ -87,7 +87,7 @@ int is_downconv(ir_mode *src_mode, ir_mode *dest_mode)
 	return
 		mode_is_int(src_mode) &&
 		mode_is_int(dest_mode) &&
-		get_mode_size_bits(dest_mode) < get_mode_size_bits(src_mode);
+		get_mode_size_bits(dest_mode) <= get_mode_size_bits(src_mode);
 }
 
 static