From: Iago Toral Quiroga <itoral@igalia.com>
Date: Fri, 5 Jul 2019 07:47:05 +0000 (+0200)
Subject: v3d: tlb loads cannot be removed
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=83a66e10dee84d3a2608550455cdc6411fec5e17;p=mesa.git

v3d: tlb loads cannot be removed

Loads from the tile buffer are emitted in ordered sequences so
we cannot eliminate or reorder any of them.

Reviewed-by: Eric Anholt <eric@anholt.net>
---

diff --git a/src/broadcom/compiler/vir.c b/src/broadcom/compiler/vir.c
index 45a6cc9ed2b..8de582792b7 100644
--- a/src/broadcom/compiler/vir.c
+++ b/src/broadcom/compiler/vir.c
@@ -75,6 +75,8 @@ vir_has_side_effects(struct v3d_compile *c, struct qinst *inst)
 
         if (inst->qpu.sig.ldtmu ||
             inst->qpu.sig.ldvary ||
+            inst->qpu.sig.ldtlbu ||
+            inst->qpu.sig.ldtlb ||
             inst->qpu.sig.wrtmuc ||
             inst->qpu.sig.thrsw) {
                 return true;