From: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Date: Mon, 16 Aug 2010 15:18:30 +0000 (+0200)
Subject: nv50: fix thinko in store to output reg possible check
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6c5c55723d32f8933ffb5fc6b5beb209eca84ca8;p=mesa.git

nv50: fix thinko in store to output reg possible check
---

diff --git a/src/gallium/drivers/nv50/nv50_pc_optimize.c b/src/gallium/drivers/nv50/nv50_pc_optimize.c
index 4cf387257df..5d575461ca9 100644
--- a/src/gallium/drivers/nv50/nv50_pc_optimize.c
+++ b/src/gallium/drivers/nv50/nv50_pc_optimize.c
@@ -315,7 +315,7 @@ nv_pass_fold_stores(struct nv_pass *ctx, struct nv_basic_block *b)
       for (j = 0; j < 4 && nvi->src[j]; ++j)
          if (nvi->src[j]->value->reg.file == NV_FILE_IMM)
             break;
-      if (j < 4)
+      if (j < 4 && nvi->src[j])
          continue;
 
       nvi->def[0] = sti->def[0];