From dd45bf5bcec1eee94bdb0501896b8d41df009a75 Mon Sep 17 00:00:00 2001
From: Rhys Perry <pendingchaos02@gmail.com>
Date: Tue, 27 May 2025 12:43:56 +0100
Subject: [PATCH] nir/load_store_vectorize: stabilize entry sort

I think this was unlikely to cause issues, even if the qsort()
implementation is unstable.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35255>
---
 src/compiler/nir/nir_opt_load_store_vectorize.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/compiler/nir/nir_opt_load_store_vectorize.c b/src/compiler/nir/nir_opt_load_store_vectorize.c
index be285e96767..1f930b2261e 100644
--- a/src/compiler/nir/nir_opt_load_store_vectorize.c
+++ b/src/compiler/nir/nir_opt_load_store_vectorize.c
@@ -241,8 +241,13 @@ sort_entries(const void *a_, const void *b_)
       return 1;
    else if (a->offset_signed < b->offset_signed)
       return -1;
-   else
-      return 0;
+
+   if (a->index > b->index)
+      return 1;
+   else if (a->index < b->index)
+      return -1;
+
+   return 0;
 }
 
 static unsigned