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x86/vf_hflip: use xor to zero initialize registers

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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
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4
libavfilter/x86/vf_hflip.asm
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@ -32,7 +32,7 @@ SECTION .text
INIT_XMM ssse3 INIT_XMM ssse3
cglobal hflip_byte, 3, 5, 3, src, dst, w, r, x cglobal hflip_byte, 3, 5, 3, src, dst, w, r, x
mova m0, [pb_flip_byte] mova m0, [pb_flip_byte]
mov xq, 0 xor xq, xq
movsxdifnidn wq, wd movsxdifnidn wq, wd
mov rq, wq mov rq, wq
and rq, 2 * mmsize - 1 and rq, 2 * mmsize - 1
@ -70,7 +70,7 @@ RET
cglobal hflip_short, 3, 5, 3, src, dst, w, r, x cglobal hflip_short, 3, 5, 3, src, dst, w, r, x
mova m0, [pb_flip_short] mova m0, [pb_flip_short]
mov xq, 0 xor xq, xq
add wd, wd add wd, wd
mov rq, wq mov rq, wq
and rq, 2 * mmsize - 1 and rq, 2 * mmsize - 1