virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-15 14:13:16 +02:00
Code Issues Releases Activity

x86/vf_hflip: use xor to zero initialize registers

Browse Source 
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2017-12-07 19:28:19 -03:00
parent dc33fe1d00
commit f2aa0ce5a0
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
libavfilter/x86/vf_hflip.asm
View File

@@ -32,7 +32,7 @@ SECTION .text
INIT_XMM ssse3
cglobal hflip_byte, 3, 5, 3, src, dst, w, r, x
mova m0, [pb_flip_byte]
mov xq, 0
xor xq, xq
movsxdifnidn wq, wd
mov rq, wq
and rq, 2 * mmsize - 1
@@ -70,7 +70,7 @@ RET
cglobal hflip_short, 3, 5, 3, src, dst, w, r, x
mova m0, [pb_flip_short]
mov xq, 0
xor xq, xq
add wd, wd
mov rq, wq
and rq, 2 * mmsize - 1