From 227026b7adf4907f2b6abe692acf9439e9ced325 Mon Sep 17 00:00:00 2001
From: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Date: Sun, 3 Nov 2024 22:30:23 -0500
Subject: [PATCH] nir/opt_algebraic: add another 64-bit pattern

clpeak

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31964>
---
 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 d751b1d8c6c..fb23d196aa1 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -1966,6 +1966,8 @@ optimizations.extend([
    (('u2u32', ('imul(is_used_once)', 'a@64', b)),
     ('imul', ('u2u32', a), ('u2u32', b))),
 
+   (('u2f32', ('u2u64', 'a@32')), ('u2f32', a)),
+
    # Redundant trip through 8-bit
    (('i2i16', ('u2u8', ('iand', 'a@16', 1))), ('iand', 'a@16', 1)),
    (('u2u16', ('u2u8', ('iand', 'a@16', 1))), ('iand', 'a@16', 1)),