PR #22644 opened by mkver
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22644
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22644.patch


>From 7df9b6c58547e4162b03bef054f58195e95d43c7 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <[email protected]>
Date: Fri, 27 Mar 2026 20:59:42 +0100
Subject: [PATCH] avfilter/x86/vf_atadenoise: Avoid load

Signed-off-by: Andreas Rheinhardt <[email protected]>
---
 libavfilter/x86/vf_atadenoise.asm | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/libavfilter/x86/vf_atadenoise.asm 
b/libavfilter/x86/vf_atadenoise.asm
index 4945ad3f5e..e164104d77 100644
--- a/libavfilter/x86/vf_atadenoise.asm
+++ b/libavfilter/x86/vf_atadenoise.asm
@@ -26,7 +26,6 @@
 
 SECTION_RODATA
 pw_one:  times 8 dw 1
-pw_ones: times 8 dw 65535
 
 SECTION .text
 
@@ -52,7 +51,7 @@ cglobal atadenoise_filter_row8, 8,10,13, src, dst, srcf, w, 
mid, size, i, j, src
     movd            m5, r7m
     SPLATW          m5, m5
     pxor            m2, m2
-    mova           m10, [pw_ones]
+    pcmpeqw        m10, m10
 
     .loop:
         mov         iq, midq
@@ -60,10 +59,10 @@ cglobal atadenoise_filter_row8, 8,10,13, src, dst, srcf, w, 
mid, size, i, j, src
         pxor        m3, m3
         pxor       m11, m11
         movu        m0, [srcq + xq]
+        mova       m12, m10
         punpcklbw   m0, m2
         mova        m7, m0
         mova        m8, [pw_one]
-        mova       m12, [pw_ones]
 
         .loop0:
             inc              iq
@@ -166,7 +165,7 @@ cglobal atadenoise_filter_row8_serial, 8,10,13, src, dst, 
srcf, w, mid, size, i,
     movd            m5, r7m
     SPLATW          m5, m5
     pxor            m2, m2
-    mova           m10, [pw_ones]
+    pcmpeqw        m10, m10
 
     .loop:
         mov         iq, midq
@@ -177,7 +176,7 @@ cglobal atadenoise_filter_row8_serial, 8,10,13, src, dst, 
srcf, w, mid, size, i,
         punpcklbw   m0, m2
         mova        m7, m0
         mova        m8, [pw_one]
-        mova       m12, [pw_ones]
+        mova       m12, m10
 
         .loop0:
             dec              jq
@@ -210,7 +209,7 @@ cglobal atadenoise_filter_row8_serial, 8,10,13, src, dst, 
srcf, w, mid, size, i,
             jg .loop0
 
         .end_loop0:
-            mova       m12, [pw_ones]
+            mova       m12, m10
 
         .loop1:
             inc              iq
-- 
2.52.0

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