From 23ae567ae68dc5209c630bf7a08d8abc9d9ccbbd Mon Sep 17 00:00:00 2001
From: Eric Engestrom <eric@igalia.com>
Date: Sat, 4 Oct 2025 17:14:04 +0200
Subject: [PATCH] nak: add all identical values in one step

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38807>
---
 src/nouveau/compiler/nak/hw_tests.rs | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/nouveau/compiler/nak/hw_tests.rs b/src/nouveau/compiler/nak/hw_tests.rs
index 3204efa8382..0bb55639aa9 100644
--- a/src/nouveau/compiler/nak/hw_tests.rs
+++ b/src/nouveau/compiler/nak/hw_tests.rs
@@ -432,7 +432,7 @@ pub fn test_foldable_op_with(
     // to give us 2500 iterations.
     let invocations = src_comps * src_comps * 100;
 
-    let mut data = Vec::new();
+    let mut data = Vec::with_capacity(invocations * (dst_comps + src_comps));
     for _ in 0..invocations {
         for (i, src) in op.srcs_as_slice().iter().enumerate() {
             let SrcRef::SSA(vec) = &src.src_ref else {
@@ -449,9 +449,7 @@ pub fn test_foldable_op_with(
                 }
             }
         }
-        for _ in 0..dst_comps {
-            data.push(0_u32);
-        }
+        data.extend(std::iter::repeat_n(0_u32, dst_comps));
     }
     debug_assert!(data.len() == invocations * comps);