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Fix a decoding mismatch in sub-pixel filters

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This did the same correction as the one in commit "Correct ssse3
8/16-pixel wide sub-pixel filter calculation" to avoid saturation
during filtering.

Change-Id: Ife9aa3f62daf9114eb24fe38f7baa3c3f361b2d6
This commit is contained in:
Yunqing Wang 2014-05-22 15:42:13 -07:00
parent 6e6f5881d8
commit efcdf946ed
1 changed files with 5 additions and 4 deletions
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9
vp9/common/x86/vp9_subpixel_8t_ssse3.asm
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@ -272,22 +272,23 @@
punpcklbw xmm2, xmm3 ;C D
punpcklbw xmm4, xmm5 ;E F
movq xmm6, [rsi + rbx + 8] ;G
movq xmm7, [rax + rbx + 8] ;H
punpcklbw xmm6, xmm7 ;G H
pmaddubsw xmm0, k0k1
pmaddubsw xmm2, k2k3
pmaddubsw xmm4, k4k5
pmaddubsw xmm6, k6k7
paddsw xmm0, xmm6
paddsw xmm0, xmm2
movdqa xmm1, xmm2
pmaxsw xmm2, xmm4
pminsw xmm4, xmm1
paddsw xmm0, xmm4
paddsw xmm0, krd
paddsw xmm0, xmm2
paddsw xmm0, krd
psraw xmm0, 7
packuswb xmm0, xmm0