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-rw-r--r--libavutil/x86/tx_float.asm2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavutil/x86/tx_float.asm b/libavutil/x86/tx_float.asm
index b71fb49592..4d2283fae1 100644
--- a/libavutil/x86/tx_float.asm
+++ b/libavutil/x86/tx_float.asm
@@ -884,7 +884,7 @@ ALIGN 16
%macro FFT_SPLIT_RADIX_FN 1
INIT_YMM %1
cglobal split_radix_fft_float, 4, 8, 16, 272, lut, out, in, len, tmp, itab, rtab, tgt
- mov lenq, [lutq + AVTXContext.m]
+ movsxd lenq, dword [lutq + AVTXContext.m]
mov lutq, [lutq + AVTXContext.revtab]
mov tgtq, lenq