From: Alyssa Rosenzweig <alyssa@collabora.com>
Date: Fri, 13 May 2022 21:56:02 +0000 (-0400)
Subject: pan/bi: Don't lower FAU for phis
X-Git-Tag: upstream/22.3.5~3649
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a01e6b6dc78febc7605f250d506d1dd605a941f5;p=platform%2Fupstream%2Fmesa.git

pan/bi: Don't lower FAU for phis

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17794>
---

diff --git a/src/panfrost/bifrost/bi_schedule.c b/src/panfrost/bifrost/bi_schedule.c
index 1c79ff5..05c7f24 100644
--- a/src/panfrost/bifrost/bi_schedule.c
+++ b/src/panfrost/bifrost/bi_schedule.c
@@ -2055,6 +2055,10 @@ bi_lower_fau(bi_context *ctx)
                         constants[cwords++] = ins->src[3].value;
                 }
 
+                /* Phis get split up into moves so are unrestricted */
+                if (ins->op == BI_OPCODE_PHI)
+                        continue;
+
                 bi_foreach_src(ins, s) {
                         if (bi_check_fau_src(ins, s, constants, &cwords, &fau)) continue;