[FFmpeg-cvslog] avfilter/x86/vf_blackdetect: don't use rax to return a 32bit integer

[James Almer]

ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Fri Jul 18 13:00:22 2025 -0300| [f263192f0e9739c5c4bb901a23009e64bcbcdac6] | committer: James Almer

avfilter/x86/vf_blackdetect: don't use rax to return a 32bit integer

Fixes compilation on x86_32.

Signed-off-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f263192f0e9739c5c4bb901a23009e64bcbcdac6
---

 libavfilter/x86/vf_blackdetect.asm | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/libavfilter/x86/vf_blackdetect.asm b/libavfilter/x86/vf_blackdetect.asm
index 78c24c5adc..86251ceca5 100644
--- a/libavfilter/x86/vf_blackdetect.asm
+++ b/libavfilter/x86/vf_blackdetect.asm
@@ -35,12 +35,12 @@ cglobal blackdetect_%1, 5, 7, 2, src, stride, width, height, threshold
     %endif
         add srcq, widthq
         neg widthq
-        xor r4, r4
+        xor r4d, r4d
         mov r5, widthq
         jmp .start
 .loop:
         popcnt r6d, r6d
-        add r4, r6
+        add r4d, r6d
 .start:
         movu m0, [srcq + r5]
     %if %1 == 8
@@ -56,15 +56,15 @@ cglobal blackdetect_%1, 5, 7, 2, src, stride, width, height, threshold
         ; handle tail by shifting away unused high elements
         shlx r6d, r6d, r5d
         popcnt r6d, r6d
-        add r4, r6
+        add r4d, r6d
         add srcq, strideq
         mov r5, widthq
         dec heightq
         jg .start
     %if %1 > 8
-        shr r4, 1
+        shr r4d, 1
     %endif
-        mov rax, r4
+        mov eax, r4d
         RET
 %endmacro