From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Thu, 30 Apr 2020 00:27:16 +0000 (-0400)
Subject: pan/mdg: Enable nir_opt_algebraic_distribute_src_mods
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=211dee42d000ef27e573263f4c5d7a65b03dc5bf;p=mesa.git

pan/mdg: Enable nir_opt_algebraic_distribute_src_mods

Helps cleanup some issues otherwise missed by the new source mod
handling. (Noticed a double negative)

total instructions in shared programs: 3606 -> 3605 (-0.03%)
instructions in affected programs: 41 -> 40 (-2.44%)
helped: 1
HURT: 0

total bundles in shared programs: 1883 -> 1883 (0.00%)
bundles in affected programs: 0 -> 0
helped: 0
HURT: 0

total quadwords in shared programs: 3296 -> 3324 (0.85%)
quadwords in affected programs: 596 -> 624 (4.70%)
helped: 0
HURT: 2

total registers in shared programs: 337 -> 336 (-0.30%)
registers in affected programs: 6 -> 5 (-16.67%)
helped: 1
HURT: 0

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4852>
---

diff --git a/src/panfrost/midgard/midgard_compile.c b/src/panfrost/midgard/midgard_compile.c
index de2f0164bc3..58f0160b564 100644
--- a/src/panfrost/midgard/midgard_compile.c
+++ b/src/panfrost/midgard/midgard_compile.c
@@ -489,6 +489,7 @@ optimise_nir(nir_shader *nir, unsigned quirks)
         } while (progress);
 
         NIR_PASS(progress, nir, nir_opt_algebraic_late);
+        NIR_PASS(progress, nir, nir_opt_algebraic_distribute_src_mods);
 
         /* We implement booleans as 32-bit 0/~0 */
         NIR_PASS(progress, nir, nir_lower_bool_to_int32);