From: Ilia Mirkin <imirkin@alum.mit.edu>
Date: Thu, 3 Dec 2015 01:24:33 +0000 (-0500)
Subject: nv50/ir: fix instruction permutation logic
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=06055121e6386bc74e4558a86ef690eae9556482;p=mesa.git

nv50/ir: fix instruction permutation logic

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "11.0 11.1" <mesa-stable@lists.freedesktop.org>
---

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_bb.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_bb.cpp
index fa8ee072a92..9f0e0733326 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_bb.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_bb.cpp
@@ -291,7 +291,7 @@ void BasicBlock::permuteAdjacent(Instruction *a, Instruction *b)
 
    if (b->prev)
       b->prev->next = b;
-   if (a->prev)
+   if (a->next)
       a->next->prev = a;
 }