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new 22b08e8cc1 swscale/x86: fix SIGILL in u8 SCALE on SSE4-only CPUs
22b08e8cc1 is described below
commit 22b08e8cc1cc0b9504f75cf46f6b6698247c3616
Author: Zhao Zhili <[email protected]>
AuthorDate: Fri Jul 3 19:04:37 2026 +0800
Commit: Zhao Zhili <[email protected]>
CommitDate: Sat Jul 4 16:52:27 2026 +0000
swscale/x86: fix SIGILL in u8 SCALE on SSE4-only CPUs
Signed-off-by: Zhao Zhili <[email protected]>
---
libswscale/x86/ops_int.asm | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libswscale/x86/ops_int.asm b/libswscale/x86/ops_int.asm
index ce9ab1fdc9..395feb9531 100644
--- a/libswscale/x86/ops_int.asm
+++ b/libswscale/x86/ops_int.asm
@@ -733,7 +733,12 @@ IF W, packuswb %4, m11
%macro SCALE 0
LOAD_CONT tmp0q
%if BITS == 8
+%if cpuflag(avx2)
vpbroadcastw m12, [implq + SwsOpImpl.priv]
+%else
+ movd xm12, [implq + SwsOpImpl.priv]
+ SPLATW m12, xm12, 0
+%endif
pxor m15, m15
scale8 mx, my, mz, mw, m12
IF1 V2, scale8 mx2, my2, mz2, mw2, m12
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