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v3d: tlb loads cannot be removed
author
Iago Toral Quiroga
<itoral@igalia.com>
Fri, 5 Jul 2019 07:47:05 +0000
(09:47 +0200)
committer
Iago Toral Quiroga
<itoral@igalia.com>
Fri, 12 Jul 2019 07:16:38 +0000
(09:16 +0200)
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>
src/broadcom/compiler/vir.c
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diff --git
a/src/broadcom/compiler/vir.c
b/src/broadcom/compiler/vir.c
index 45a6cc9ed2b1b48a4966588e95fdd18cbcb3ac20..8de582792b71533ab51ed214b09957b8265c5c4e 100644
(file)
--- 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;