From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Thu, 21 May 2020 22:05:29 +0000 (-0400)
Subject: pan/mdg: Eliminate 64-bit swizzle packing division
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4f5b3802dc4c59cb99e3c81144629d5aba9c085a;p=mesa.git

pan/mdg: Eliminate 64-bit swizzle packing division

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5154>
---

diff --git a/src/panfrost/midgard/midgard_emit.c b/src/panfrost/midgard/midgard_emit.c
index 6431dc02c0e..cf283dd3ed5 100644
--- a/src/panfrost/midgard/midgard_emit.c
+++ b/src/panfrost/midgard/midgard_emit.c
@@ -200,7 +200,8 @@ mir_pack_swizzle(unsigned mask, unsigned *swizzle,
         unsigned sz = nir_alu_type_get_type_size(T);
 
         if (reg_mode == midgard_reg_mode_64) {
-                unsigned components = 64 / sz;
+                assert(sz == 64 || sz == 32);
+                unsigned components = (sz == 32) ? 4 : 2;
 
                 packed = mir_pack_swizzle_64(swizzle, components);