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x86/h264_weight: use appropriate register size for weight parameters 

This fixes decoding corruption on 64 bit windows.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Hendrik Leppkes 2016-09-23 09:52:48 +02:00 committed by Martin Storsjö
parent 2caa93b813
commit 8d1267932c
1 changed files with 6 additions and 6 deletions
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10
libavcodec/x86/h264_weight.asm
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@ -134,16 +134,16 @@ WEIGHT_FUNC_HALF_MM 8, 8
mov off_regd, r7m
add off_regd, 1
or off_regd, 1
add r4, 1
add r4d, 1
cmp r6d, 128
je .nonnormal
cmp r5, 128
cmp r5d, 128
jne .normal
.nonnormal
sar r5, 1
sar r6, 1
sar r5d, 1
sar r6d, 1
sar off_regd, 1
sub r4, 1
sub r4d, 1
.normal
%if cpuflag(ssse3)
movd m4, r5d