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Code Issues Releases Activity

avcodec/x86/v210enc: expand and correct comments

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This commit is contained in:
James Darnley
2022-11-25 15:54:34 +01:00
parent 651cb867b1
commit c67a2b14a2
1 changed files with 4 additions and 4 deletions
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8
libavcodec/x86/v210enc.asm
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@@ -314,7 +314,7 @@ cglobal v210_planar_pack_8, 5, 5, 7+notcpuflag(avx512icl), y, u, v, dst, width
movu ym1, [yq + 2*widthq]
vinserti32x4 m1, [uq + 1*widthq], 2
vinserti32x4 m1, [vq + 1*widthq], 3
vpermb m1, m2, m1 ; uyv0 yuy0 vyu0 yvy0
vpermb m1, m2, m1 ; uyvx yuyx vyux yvyx
%else
movq xm0, [uq + 1*widthq] ; uuuu uuxx
movq xm1, [vq + 1*widthq] ; vvvv vvxx
@@ -325,10 +325,10 @@ cglobal v210_planar_pack_8, 5, 5, 7+notcpuflag(avx512icl), y, u, v, dst, width
%endif
CLIPUB m1, m4, m5
pmaddubsw m0, m1, m3
pslld m1, 4
pmaddubsw m0, m1, m3 ; shift high and low samples of each dword and mask out other bits
pslld m1, 4 ; shift center sample of each dword
%if cpuflag(avx512)
vpternlogd m0, m1, m6, 0xd8 ; C?B:A
vpternlogd m0, m1, m6, 0xd8 ; C?B:A ; merge and mask out bad bits from B
%else
pand m1, m6, m1
pandn m0, m6, m0