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deblock_avx512: convert byte-shifts to gf2p8affineqb

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This commit is contained in:
Ronald S. Bultje
2023-10-05 17:24:34 +00:00
parent 4c012978fb
commit 47107e384b
1 changed files with 8 additions and 13 deletions
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src/x86/loopfilter_avx512.asm
+8 -13
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@@ -41,6 +41,10 @@ hmulC: dd 0, 1, 2, 3, 16, 17, 18, 19, 32, 33, 34, 35, 48, 49, 50, 51
hmulD: dd 0, 1, 16, 17, 32, 33, 48, 49
hshuf4:db 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15
shift1: dq 0x0204081020408000
shift3: dq 0x0810204080000000
shift4: dq 0x1020408000000000
pb_1: times 4 db 1
pb_2: times 4 db 2
pb_3: times 4 db 3
@@ -49,9 +53,6 @@ pb_16: times 4 db 16
pb_63: times 4 db 63
pb_64: times 4 db 64
pb_128: times 4 db 0x80
pb_240: times 4 db 0xf0
pb_248: times 4 db 0xf8
pb_254: times 4 db 0xfe
pb_2_1: times 2 db 2, 1
pb_3_1: times 2 db 3, 1
pb_7_1: times 2 db 7, 1
@@ -482,8 +483,7 @@ SECTION .text
vpbroadcastb m1, [lutq+136]
pminub m2, m1
pmaxub m2, m15 ; I
pand m1, m0, [pb_240]{bcstd}
psrlq m1, 4 ; H
gf2p8affineqb m1, m0, [shift4]{bcstq}, 0 ; H
paddd m0, [pb_2]{bcstd}
paddb m0, m0
paddb m0, m2 ; E
@@ -534,8 +534,7 @@ SECTION .text
ABSSUB m10, m3, m6, m11 ; abs(p1-q1)
ABSSUB m11, m4, m5, m2 ; abs(p0-q0)
paddusb m11, m11
pand m10, [pb_254]{bcstd}
psrlq m10, 1
gf2p8affineqb m10, m10, [shift1]{bcstq}, 0
paddusb m10, m11 ; abs(p0-q0)*2+(abs(p1-q1)>>1)
vpcmpub k3{k3}, m10, m0, 2 ; abs(p0-q0)*2+(abs(p1-q1)>>1) <= E
@@ -608,12 +607,8 @@ SECTION .text
paddsb m10{k3}{z}, m10, m11 ; f=iclip_diff(3*(q0-p0)+f)&fm
paddsb m8, m10, m15
paddsb m10, m0
pand m8, [pb_248]{bcstd}
pand m10, [pb_248]{bcstd}
psrlq m8, 3
psrlq m10, 3
pxor m8, m12
pxor m10, m12
gf2p8affineqb m8, m8, [shift3]{bcstq}, 16
gf2p8affineqb m10, m10, [shift3]{bcstq}, 16
psubb m8, m12 ; f2
psubb m10, m12 ; f1
paddsb m4, m8