From: Eric Anholt <eric@anholt.net>
Date: Mon, 26 Oct 2015 20:57:57 +0000 (-0700)
Subject: vc4: Don't try to follow MOVs across a pack.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3d7a088608b38b3a460ad7ba5c7fb575815c8a43;p=mesa.git

vc4: Don't try to follow MOVs across a pack.
---

diff --git a/src/gallium/drivers/vc4/vc4_qir.c b/src/gallium/drivers/vc4/vc4_qir.c
index d9f51bb4a3f..59a4e62159c 100644
--- a/src/gallium/drivers/vc4/vc4_qir.c
+++ b/src/gallium/drivers/vc4/vc4_qir.c
@@ -429,7 +429,8 @@ qir_follow_movs(struct vc4_compile *c, struct qreg reg)
 {
         while (reg.file == QFILE_TEMP &&
                c->defs[reg.index] &&
-               c->defs[reg.index]->op == QOP_MOV) {
+               c->defs[reg.index]->op == QOP_MOV &&
+               !c->defs[reg.index]->dst.pack) {
                 reg = c->defs[reg.index]->src[0];
         }