From: Vadim Girlin <vadimgirlin@gmail.com>
Date: Fri, 3 May 2013 09:01:31 +0000 (+0400)
Subject: r600g/sb: fix constant propagation in gvn pass
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f92bd0958e5f6453aa5cf8d54cd57546ca5de963;p=mesa.git

r600g/sb: fix constant propagation in gvn pass

Fixes the bug that prevented propagation of literals in some cases.

Signed-off-by: Vadim Girlin <vadimgirlin@gmail.com>
---

diff --git a/src/gallium/drivers/r600/sb/sb_gvn.cpp b/src/gallium/drivers/r600/sb/sb_gvn.cpp
index 6798917b189..fe4f884e21f 100644
--- a/src/gallium/drivers/r600/sb/sb_gvn.cpp
+++ b/src/gallium/drivers/r600/sb/sb_gvn.cpp
@@ -159,7 +159,8 @@ void gvn::process_alu_src_constants(node &n, value* &v) {
 
 	rp_kcache_tracker kc(sh);
 
-	kc.try_reserve(v->gvn_source->select);
+	if (v->gvn_source->is_kcache())
+		kc.try_reserve(v->gvn_source->select);
 
 	// don't propagate 3rd constant to the trans-only instruction
 	if (!n.is_alu_packed()) {