From 836ff4b58670d8ed96e304cea8ed13a029bee74f Mon Sep 17 00:00:00 2001
From: Jason Ekstrand <jason.ekstrand@collabora.com>
Date: Wed, 18 May 2022 12:23:17 -0500
Subject: [PATCH] nir/algebraic: Add two more pack/unpack rules

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16591>
---
 src/compiler/nir/nir_opt_algebraic.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py
index e42443ef025..b399e005335 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -1453,6 +1453,8 @@ optimizations.extend([
    # Packing and then unpacking does nothing
    (('unpack_64_2x32_split_x', ('pack_64_2x32_split', a, b)), a),
    (('unpack_64_2x32_split_y', ('pack_64_2x32_split', a, b)), b),
+   (('unpack_64_2x32_split_x', ('pack_64_2x32', a)), 'a.x'),
+   (('unpack_64_2x32_split_y', ('pack_64_2x32', a)), 'a.y'),
    (('unpack_64_2x32', ('pack_64_2x32_split', a, b)), ('vec2', a, b)),
    (('unpack_64_2x32', ('pack_64_2x32', a)), a),
    (('unpack_double_2x32_dxil', ('pack_double_2x32_dxil', a)), a),