[FFmpeg-devel] [PATCH 1/4] swscale/x86/rgb2rgb_template: Remove unnecessary SFENCE

From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Subject: [FFmpeg-devel] [PATCH 1/4] swscale/x86/rgb2rgb_template: Remove unnecessary SFENCE
Date: Wed,  5 Jun 2024 23:37:09 +0200
Message-ID: <GV1P250MB073797DF5AC7A41CD8735E158FF92@GV1P250MB0737.EURP250.PROD.OUTLOOK.COM> (raw)

The ff_nv12ToUV_* functions don't use non-temporal stores
at all.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libswscale/x86/rgb2rgb_template.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/libswscale/x86/rgb2rgb_template.c b/libswscale/x86/rgb2rgb_template.c
index edbacea784..e4e884827c 100644
--- a/libswscale/x86/rgb2rgb_template.c
+++ b/libswscale/x86/rgb2rgb_template.c
@@ -1837,10 +1837,6 @@ static void RENAME(deinterleaveBytes)(const uint8_t *src, uint8_t *dst1, uint8_t
         dst1 += dst1Stride;
         dst2 += dst2Stride;
     }
-    __asm__(
-            SFENCE"     \n\t"
-            ::: "memory"
-            );
 }
 #endif /* COMPILE_TEMPLATE_SSE2 && HAVE_X86ASM */
 #endif /* !COMPILE_TEMPLATE_AVX || HAVE_AVX_EXTERNAL */
-- 
2.40.1

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