From 8349845c8cb2d296e0d89416538c5f7215ca8a08 Mon Sep 17 00:00:00 2001
From: Henrik Gramner <gramner@twoorioles.com>
Date: Mon, 26 Sep 2022 15:33:38 +0200
Subject: x86: Fix incorrect 32-bit parameter usage in high bit-depth AVX-512
 mc

The 32-bit width parameter was used directly as a pointer offset, but
the upper half is undefined. Fix it by replacing 'cmp' with 'sub' to
explicitly zero those bits.
---
 src/x86/mc16_avx512.asm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/x86/mc16_avx512.asm b/src/x86/mc16_avx512.asm
index f8d1aaa..585ba53 100644
--- a/src/x86/mc16_avx512.asm
+++ b/src/x86/mc16_avx512.asm
@@ -1604,7 +1604,7 @@ cglobal put_8tap_16bpc, 4, 9, 16, dst, ds, src, ss, w, h, mx, my
     vpbroadcastd        m11, [buf+ 4]
     vpbroadcastd        m12, [buf+ 8]
     vpbroadcastd        m13, [buf+12]
-    cmp                  wd, 16
+    sub                  wd, 16
     je .h_w16
     jg .h_w32
 .h_w8:
-- 
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