From 46787fc2d0f779d287ed78e11a48a1f8e82b7aa6 Mon Sep 17 00:00:00 2001
From: Rhys Perry <pendingchaos02@gmail.com>
Date: Wed, 8 Jan 2025 12:32:37 +0000
Subject: [PATCH] aco/util: fix bit_reference::operator&=

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Backport-to: 24.3
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32944>
---
 src/amd/compiler/aco_util.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/amd/compiler/aco_util.h b/src/amd/compiler/aco_util.h
index 06f1b748e5c..607b10e31cb 100644
--- a/src/amd/compiler/aco_util.h
+++ b/src/amd/compiler/aco_util.h
@@ -793,7 +793,7 @@ template <typename T> struct bit_reference {
 
    constexpr bit_reference& operator&=(bool val)
    {
-      storage &= T(val) << bit;
+      storage &= ~(T(!val) << bit);
       return *this;
    }