From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Thu, 28 May 2020 16:39:26 +0000 (-0400)
Subject: pan/bi: Passthrough ZERO in branch packing
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f1298ae33658c7e0e1c2e07b70903338e0981bed;p=mesa.git

pan/bi: Passthrough ZERO in branch packing

There's a special mode for it.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5260>
---

diff --git a/src/panfrost/bifrost/bi_pack.c b/src/panfrost/bifrost/bi_pack.c
index 0cc56584303..9f8bf6b08a4 100644
--- a/src/panfrost/bifrost/bi_pack.c
+++ b/src/panfrost/bifrost/bi_pack.c
@@ -125,6 +125,7 @@ bi_assign_uniform_constant_single(
 
         bi_foreach_src(ins, s) {
                 if (s == 0 && (ins->type == BI_LOAD_VAR_ADDRESS || ins->type == BI_LOAD_ATTR)) continue;
+                if (s == 1 && (ins->type == BI_BRANCH)) continue;
 
                 if (ins->src[s] & BIR_INDEX_CONSTANT) {
                         /* Let direct addresses through */