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FFmpeg/libavcodec/x86/vp9lpf.asm

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;******************************************************************************
;* VP9 loop filter SIMD optimizations
;*
;* Copyright (C) 2013-2014 Clément Bœsch <u pkh me>
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "libavutil/x86/x86util.asm"
%if ARCH_X86_64
SECTION_RODATA
cextern pb_3
cextern pb_80
pb_4: times 16 db 0x04
pb_10: times 16 db 0x10
pb_40: times 16 db 0x40
pb_81: times 16 db 0x81
pb_f8: times 16 db 0xf8
pb_fe: times 16 db 0xfe
cextern pw_4
cextern pw_8
; with mix functions, two 8-bit thresholds are stored in a 16-bit storage,
; the following mask is used to splat both in the same register
mask_mix: times 8 db 0
times 8 db 1
mask_mix84: times 8 db 0xff
times 8 db 0x00
mask_mix48: times 8 db 0x00
times 8 db 0xff
SECTION .text
; %1 = abs(%2-%3)
%macro ABSSUB 4 ; dst, src1 (RO), src2 (RO), tmp
psubusb %1, %3, %2
psubusb %4, %2, %3
por %1, %4
%endmacro
; %1 = %1<=%2
%macro CMP_LTE 3-4 ; src/dst, cmp, tmp, pb_80
%if %0 == 4
pxor %1, %4
%endif
pcmpgtb %3, %2, %1 ; cmp > src?
pcmpeqb %1, %2 ; cmp == src? XXX: avoid this with a -1/+1 well placed?
por %1, %3 ; cmp >= src?
%endmacro
; %1 = abs(%2-%3) <= %4
%macro ABSSUB_CMP 6-7 [pb_80]; dst, src1, src2, cmp, tmp1, tmp2, [pb_80]
ABSSUB %1, %2, %3, %6 ; dst = abs(src1-src2)
CMP_LTE %1, %4, %6, %7 ; dst <= cmp
%endmacro
%macro MASK_APPLY 4 ; %1=new_data/dst %2=old_data %3=mask %4=tmp
pand %1, %3 ; new &= mask
pandn %4, %3, %2 ; tmp = ~mask & old
por %1, %4 ; new&mask | old&~mask
%endmacro
%macro FILTER_SUBx2_ADDx2 8 ; %1=dst %2=h/l %3=cache %4=sub1 %5=sub2 %6=add1 %7=add2 %8=rshift
punpck%2bw %3, %4, m0
psubw %1, %3
punpck%2bw %3, %5, m0
psubw %1, %3
punpck%2bw %3, %6, m0
paddw %1, %3
punpck%2bw %3, %7, m0
paddw %3, %1
psraw %1, %3, %8
%endmacro
%macro FILTER_INIT 8 ; tmp1, tmp2, cacheL, cacheH, dstp, filterid, mask, source
FILTER%6_INIT %1, l, %3
FILTER%6_INIT %2, h, %4
packuswb %1, %2
MASK_APPLY %1, %8, %7, %2
mova %5, %1
%endmacro
%macro FILTER_UPDATE 11-14 ; tmp1, tmp2, cacheL, cacheH, dstp, -, -, +, +, rshift, mask, [source], [preload reg + value]
%if %0 == 13 ; no source + preload
mova %12, %13
%elif %0 == 14 ; source + preload
mova %13, %14
%endif
FILTER_SUBx2_ADDx2 %1, l, %3, %6, %7, %8, %9, %10
FILTER_SUBx2_ADDx2 %2, h, %4, %6, %7, %8, %9, %10
packuswb %1, %2
%if %0 == 12 || %0 == 14
MASK_APPLY %1, %12, %11, %2
%else
MASK_APPLY %1, %5, %11, %2
%endif
mova %5, %1
%endmacro
%macro SRSHIFT3B_2X 4 ; reg1, reg2, [pb_10], tmp
mova %4, [pb_f8]
pand %1, %4
pand %2, %4
psrlq %1, 3
psrlq %2, 3
pxor %1, %3
pxor %2, %3
psubb %1, %3
psubb %2, %3
%endmacro
%macro EXTRACT_POS_NEG 3 ; i8, neg, pos
pxor %3, %3
pxor %2, %2
pcmpgtb %3, %1 ; i8 < 0 mask
psubb %2, %1 ; neg values (only the originally - will be kept)
pand %2, %3 ; negative values of i8 (but stored as +)
pandn %3, %1 ; positive values of i8
%endmacro
; clip_u8(u8 + i8)
%macro SIGN_ADD 5 ; dst, u8, i8, tmp1, tmp2
EXTRACT_POS_NEG %3, %4, %5
psubusb %1, %2, %4 ; sub the negatives
paddusb %1, %5 ; add the positives
%endmacro
; clip_u8(u8 - i8)
%macro SIGN_SUB 5 ; dst, u8, i8, tmp1, tmp2
EXTRACT_POS_NEG %3, %4, %5
psubusb %1, %2, %5 ; sub the positives
paddusb %1, %4 ; add the negatives
%endmacro
%macro FILTER6_INIT 3 ; %1=dst %2=h/l %3=cache
punpck%2bw %1, m14, m0 ; p3: B->W
paddw %3, %1, %1 ; p3*2
paddw %3, %1 ; p3*3
punpck%2bw %1, m15, m0 ; p2: B->W
paddw %3, %1 ; p3*3 + p2
paddw %3, %1 ; p3*3 + p2*2
punpck%2bw %1, m10, m0 ; p1: B->W
paddw %3, %1 ; p3*3 + p2*2 + p1
punpck%2bw %1, m11, m0 ; p0: B->W
paddw %3, %1 ; p3*3 + p2*2 + p1 + p0
punpck%2bw %1, m12, m0 ; q0: B->W
paddw %3, %1 ; p3*3 + p2*2 + p1 + p0 + q0
paddw %3, [pw_4] ; p3*3 + p2*2 + p1 + p0 + q0 + 4
psraw %1, %3, 3 ; (p3*3 + p2*2 + p1 + p0 + q0 + 4) >> 3
%endmacro
%macro FILTER14_INIT 3 ; %1=dst %2=h/l %3=cache
punpck%2bw %1, m2, m0 ; p7: B->W
psllw %3, %1, 3 ; p7*8
psubw %3, %1 ; p7*7
punpck%2bw %1, m3, m0 ; p6: B->W
paddw %3, %1 ; p7*7 + p6
paddw %3, %1 ; p7*7 + p6*2
punpck%2bw %1, m8, m0 ; p5: B->W
paddw %3, %1 ; p7*7 + p6*2 + p5
punpck%2bw %1, m9, m0 ; p4: B->W
paddw %3, %1 ; p7*7 + p6*2 + p5 + p4
punpck%2bw %1, m14, m0 ; p3: B->W
paddw %3, %1 ; p7*7 + p6*2 + p5 + p4 + p3
punpck%2bw %1, m15, m0 ; p2: B->W
paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p2
punpck%2bw %1, m10, m0 ; p1: B->W
paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p1
punpck%2bw %1, m11, m0 ; p0: B->W
paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p0
punpck%2bw %1, m12, m0 ; q0: B->W
paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p0 + q0
paddw %3, [pw_8] ; p7*7 + p6*2 + p5 + .. + p0 + q0 + 8
psraw %1, %3, 4 ; (p7*7 + p6*2 + p5 + .. + p0 + q0 + 8) >> 4
%endmacro
%macro TRANSPOSE16x16B 17
mova %17, m%16
SBUTTERFLY bw, %1, %2, %16
SBUTTERFLY bw, %3, %4, %16
SBUTTERFLY bw, %5, %6, %16
SBUTTERFLY bw, %7, %8, %16
SBUTTERFLY bw, %9, %10, %16
SBUTTERFLY bw, %11, %12, %16
SBUTTERFLY bw, %13, %14, %16
mova m%16, %17
mova %17, m%14
SBUTTERFLY bw, %15, %16, %14
SBUTTERFLY wd, %1, %3, %14
SBUTTERFLY wd, %2, %4, %14
SBUTTERFLY wd, %5, %7, %14
SBUTTERFLY wd, %6, %8, %14
SBUTTERFLY wd, %9, %11, %14
SBUTTERFLY wd, %10, %12, %14
SBUTTERFLY wd, %13, %15, %14
mova m%14, %17
mova %17, m%12
SBUTTERFLY wd, %14, %16, %12
SBUTTERFLY dq, %1, %5, %12
SBUTTERFLY dq, %2, %6, %12
SBUTTERFLY dq, %3, %7, %12
SBUTTERFLY dq, %4, %8, %12
SBUTTERFLY dq, %9, %13, %12
SBUTTERFLY dq, %10, %14, %12
SBUTTERFLY dq, %11, %15, %12
mova m%12, %17
mova %17, m%8
SBUTTERFLY dq, %12, %16, %8
SBUTTERFLY qdq, %1, %9, %8
SBUTTERFLY qdq, %2, %10, %8
SBUTTERFLY qdq, %3, %11, %8
SBUTTERFLY qdq, %4, %12, %8
SBUTTERFLY qdq, %5, %13, %8
SBUTTERFLY qdq, %6, %14, %8
SBUTTERFLY qdq, %7, %15, %8
mova m%8, %17
mova %17, m%1
SBUTTERFLY qdq, %8, %16, %1
mova m%1, %17
SWAP %2, %9
SWAP %3, %5
SWAP %4, %13
SWAP %6, %11
SWAP %8, %15
SWAP %12, %14
%endmacro
; transpose 16 half lines (high part) to 8 full centered lines
%macro TRANSPOSE16x8B 16
punpcklbw m%1, m%2
punpcklbw m%3, m%4
punpcklbw m%5, m%6
punpcklbw m%7, m%8
punpcklbw m%9, m%10
punpcklbw m%11, m%12
punpcklbw m%13, m%14
punpcklbw m%15, m%16
SBUTTERFLY wd, %1, %3, %2
SBUTTERFLY wd, %5, %7, %2
SBUTTERFLY wd, %9, %11, %2
SBUTTERFLY wd, %13, %15, %2
SBUTTERFLY dq, %1, %5, %2
SBUTTERFLY dq, %3, %7, %2
SBUTTERFLY dq, %9, %13, %2
SBUTTERFLY dq, %11, %15, %2
SBUTTERFLY qdq, %1, %9, %2
SBUTTERFLY qdq, %3, %11, %2
SBUTTERFLY qdq, %5, %13, %2
SBUTTERFLY qdq, %7, %15, %2
SWAP %5, %1
SWAP %6, %9
SWAP %7, %1
SWAP %8, %13
SWAP %9, %3
SWAP %10, %11
SWAP %11, %1
SWAP %12, %15
%endmacro
%macro DEFINE_REAL_P7_TO_Q7 0-1 0
%define P7 dst1q + 2*mstrideq + %1
%define P6 dst1q + mstrideq + %1
%define P5 dst1q + %1
%define P4 dst1q + strideq + %1
%define P3 dstq + 4*mstrideq + %1
%define P2 dstq + mstride3q + %1
%define P1 dstq + 2*mstrideq + %1
%define P0 dstq + mstrideq + %1
%define Q0 dstq + %1
%define Q1 dstq + strideq + %1
%define Q2 dstq + 2*strideq + %1
%define Q3 dstq + stride3q + %1
%define Q4 dstq + 4*strideq + %1
%define Q5 dst2q + mstrideq + %1
%define Q6 dst2q + %1
%define Q7 dst2q + strideq + %1
%endmacro
; ..............AB -> AAAAAAAABBBBBBBB
%macro SPLATB_MIX 1-2 [mask_mix]
%if cpuflag(ssse3)
pshufb %1, %2
%else
punpcklbw %1, %1
punpcklwd %1, %1
punpckldq %1, %1
%endif
%endmacro
%macro LOOPFILTER 2 ; %1=v/h %2=size1
lea mstrideq, [strideq]
neg mstrideq
lea stride3q, [strideq+2*strideq]
mov mstride3q, stride3q
neg mstride3q
%ifidn %1, h
%if %2 > 16
%define movx movh
lea dstq, [dstq + 8*strideq - 4]
%else
%define movx movu
lea dstq, [dstq + 8*strideq - 8] ; go from top center (h pos) to center left (v pos)
%endif
%endif
lea dst1q, [dstq + 2*mstride3q] ; dst1q = &dst[stride * -6]
lea dst2q, [dstq + 2* stride3q] ; dst2q = &dst[stride * +6]
DEFINE_REAL_P7_TO_Q7
%ifidn %1, h
movx m0, [P7]
movx m1, [P6]
movx m2, [P5]
movx m3, [P4]
movx m4, [P3]
movx m5, [P2]
movx m6, [P1]
movx m7, [P0]
movx m8, [Q0]
movx m9, [Q1]
movx m10, [Q2]
movx m11, [Q3]
movx m12, [Q4]
movx m13, [Q5]
movx m14, [Q6]
movx m15, [Q7]
%define P7 rsp + 0
%define P6 rsp + 16
%define P5 rsp + 32
%define P4 rsp + 48
%define P3 rsp + 64
%define P2 rsp + 80
%define P1 rsp + 96
%define P0 rsp + 112
%define Q0 rsp + 128
%define Q1 rsp + 144
%define Q2 rsp + 160
%define Q3 rsp + 176
%define Q4 rsp + 192
%define Q5 rsp + 208
%define Q6 rsp + 224
%define Q7 rsp + 240
%if %2 == 16
TRANSPOSE16x16B 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, [rsp]
mova [P7], m0
mova [P6], m1
mova [P5], m2
mova [P4], m3
%else
TRANSPOSE16x8B 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
%endif
mova [P3], m4
mova [P2], m5
mova [P1], m6
mova [P0], m7
mova [Q0], m8
mova [Q1], m9
mova [Q2], m10
mova [Q3], m11
%if %2 == 16
mova [Q4], m12
mova [Q5], m13
mova [Q6], m14
mova [Q7], m15
%endif
%endif
; calc fm mask
%if %2 == 16
%if cpuflag(ssse3)
pxor m0, m0
%endif
SPLATB_REG m2, I, m0 ; I I I I ...
SPLATB_REG m3, E, m0 ; E E E E ...
%else
%if cpuflag(ssse3)
mova m0, [mask_mix]
%endif
movd m2, Id
movd m3, Ed
SPLATB_MIX m2, m0
SPLATB_MIX m3, m0
%endif
mova m0, [pb_80]
pxor m2, m0
pxor m3, m0
%ifidn %1, v
mova m8, [P3]
mova m9, [P2]
mova m10, [P1]
mova m11, [P0]
mova m12, [Q0]
mova m13, [Q1]
mova m14, [Q2]
mova m15, [Q3]
%else
; In case of horizontal, P3..Q3 are already present in some registers due
; to the previous transpose, so we just swap registers.
SWAP 8, 4, 12
SWAP 9, 5, 13
SWAP 10, 6, 14
SWAP 11, 7, 15
%endif
ABSSUB_CMP m5, m8, m9, m2, m6, m7, m0 ; m5 = abs(p3-p2) <= I
ABSSUB_CMP m1, m9, m10, m2, m6, m7, m0 ; m1 = abs(p2-p1) <= I
pand m5, m1
ABSSUB_CMP m1, m10, m11, m2, m6, m7, m0 ; m1 = abs(p1-p0) <= I
pand m5, m1
ABSSUB_CMP m1, m12, m13, m2, m6, m7, m0 ; m1 = abs(q1-q0) <= I
pand m5, m1
ABSSUB_CMP m1, m13, m14, m2, m6, m7, m0 ; m1 = abs(q2-q1) <= I
pand m5, m1
ABSSUB_CMP m1, m14, m15, m2, m6, m7, m0 ; m1 = abs(q3-q2) <= I
pand m5, m1
ABSSUB m1, m11, m12, m7 ; abs(p0-q0)
paddusb m1, m1 ; abs(p0-q0) * 2
ABSSUB m2, m10, m13, m7 ; abs(p1-q1)
pand m2, [pb_fe] ; drop lsb so shift can work
psrlq m2, 1 ; abs(p1-q1)/2
paddusb m1, m2 ; abs(p0-q0)*2 + abs(p1-q1)/2
pxor m1, m0
pcmpgtb m4, m3, m1 ; E > X?
pcmpeqb m3, m1 ; E == X?
por m3, m4 ; E >= X?
pand m3, m5 ; fm final value
; (m3: fm, m8..15: p3 p2 p1 p0 q0 q1 q2 q3)
; calc flat8in (if not 44_16) and hev masks
mova m6, [pb_81] ; [1 1 1 1 ...] ^ 0x80
%if %2 != 44
ABSSUB_CMP m2, m8, m11, m6, m4, m5 ; abs(p3 - p0) <= 1
mova m8, [pb_80]
ABSSUB_CMP m1, m9, m11, m6, m4, m5, m8 ; abs(p2 - p0) <= 1
pand m2, m1
ABSSUB m4, m10, m11, m5 ; abs(p1 - p0)
%if %2 == 16
%if cpuflag(ssse3)
pxor m0, m0
%endif
SPLATB_REG m7, H, m0 ; H H H H ...
%else
movd m7, Hd
SPLATB_MIX m7
%endif
pxor m7, m8
pxor m4, m8
pcmpgtb m0, m4, m7 ; abs(p1 - p0) > H (1/2 hev condition)
CMP_LTE m4, m6, m5 ; abs(p1 - p0) <= 1
pand m2, m4 ; (flat8in)
ABSSUB m4, m13, m12, m1 ; abs(q1 - q0)
pxor m4, m8
pcmpgtb m5, m4, m7 ; abs(q1 - q0) > H (2/2 hev condition)
por m0, m5 ; hev final value
CMP_LTE m4, m6, m5 ; abs(q1 - q0) <= 1
pand m2, m4 ; (flat8in)
ABSSUB_CMP m1, m14, m12, m6, m4, m5, m8 ; abs(q2 - q0) <= 1
pand m2, m1
ABSSUB_CMP m1, m15, m12, m6, m4, m5, m8 ; abs(q3 - q0) <= 1
pand m2, m1 ; flat8in final value
%if %2 == 84 || %2 == 48
pand m2, [mask_mix%2]
%endif
%else
mova m6, [pb_80]
movd m7, Hd
SPLATB_MIX m7
pxor m7, m6
ABSSUB m4, m10, m11, m1 ; abs(p1 - p0)
pxor m4, m6
pcmpgtb m0, m4, m7 ; abs(p1 - p0) > H (1/2 hev condition)
ABSSUB m4, m13, m12, m1 ; abs(q1 - q0)
pxor m4, m6
pcmpgtb m5, m4, m7 ; abs(q1 - q0) > H (2/2 hev condition)
por m0, m5 ; hev final value
%endif
%if %2 == 16
; (m0: hev, m2: flat8in, m3: fm, m6: pb_81, m9..15: p2 p1 p0 q0 q1 q2 q3)
; calc flat8out mask
mova m8, [P7]
mova m9, [P6]
ABSSUB_CMP m1, m8, m11, m6, m4, m5 ; abs(p7 - p0) <= 1
ABSSUB_CMP m7, m9, m11, m6, m4, m5 ; abs(p6 - p0) <= 1
pand m1, m7
mova m8, [P5]
mova m9, [P4]
ABSSUB_CMP m7, m8, m11, m6, m4, m5 ; abs(p5 - p0) <= 1
pand m1, m7
ABSSUB_CMP m7, m9, m11, m6, m4, m5 ; abs(p4 - p0) <= 1
pand m1, m7
mova m14, [Q4]
mova m15, [Q5]
ABSSUB_CMP m7, m14, m12, m6, m4, m5 ; abs(q4 - q0) <= 1
pand m1, m7
ABSSUB_CMP m7, m15, m12, m6, m4, m5 ; abs(q5 - q0) <= 1
pand m1, m7
mova m14, [Q6]
mova m15, [Q7]
ABSSUB_CMP m7, m14, m12, m6, m4, m5 ; abs(q4 - q0) <= 1
pand m1, m7
ABSSUB_CMP m7, m15, m12, m6, m4, m5 ; abs(q5 - q0) <= 1
pand m1, m7 ; flat8out final value
%endif
; if (fm) {
; if (out && in) filter_14()
; else if (in) filter_6()
; else if (hev) filter_2()
; else filter_4()
; }
;
; f14: fm & out & in
; f6: fm & ~f14 & in => fm & ~(out & in) & in => fm & ~out & in
; f2: fm & ~f14 & ~f6 & hev => fm & ~(out & in) & ~(~out & in) & hev => fm & ~in & hev
; f4: fm & ~f14 & ~f6 & ~f2 => fm & ~(out & in) & ~(~out & in) & ~(~in & hev) => fm & ~in & ~hev
; (m0: hev, [m1: flat8out], [m2: flat8in], m3: fm, m8..15: p5 p4 p1 p0 q0 q1 q6 q7)
; filter2()
%if %2 != 44
mova m6, [pb_80] ; already in m6 if 44_16
%endif
pxor m15, m12, m6 ; q0 ^ 0x80
pxor m14, m11, m6 ; p0 ^ 0x80
psubsb m15, m14 ; (signed) q0 - p0
pxor m4, m10, m6 ; p1 ^ 0x80
pxor m5, m13, m6 ; q1 ^ 0x80
psubsb m4, m5 ; (signed) p1 - q1
paddsb m4, m15 ; (q0 - p0) + (p1 - q1)
paddsb m4, m15 ; 2*(q0 - p0) + (p1 - q1)
paddsb m4, m15 ; 3*(q0 - p0) + (p1 - q1)
paddsb m6, m4, [pb_4] ; m6: f1 = clip(f + 4, 127)
paddsb m4, [pb_3] ; m4: f2 = clip(f + 3, 127)
mova m14, [pb_10] ; will be reused in filter4()
SRSHIFT3B_2X m6, m4, m14, m7 ; f1 and f2 sign byte shift by 3
SIGN_SUB m7, m12, m6, m5, m9 ; m7 = q0 - f1
SIGN_ADD m8, m11, m4, m5, m9 ; m8 = p0 + f2
%if %2 != 44
pandn m6, m2, m3 ; ~mask(in) & mask(fm)
pand m6, m0 ; (~mask(in) & mask(fm)) & mask(hev)
%else
pand m6, m3, m0
%endif
MASK_APPLY m7, m12, m6, m5 ; m7 = filter2(q0) & mask / we write it in filter4()
MASK_APPLY m8, m11, m6, m5 ; m8 = filter2(p0) & mask / we write it in filter4()
; (m0: hev, [m1: flat8out], [m2: flat8in], m3: fm, m7..m8: q0' p0', m10..13: p1 p0 q0 q1, m14: pb_10, m15: q0-p0)
; filter4()
mova m4, m15
paddsb m15, m4 ; 2 * (q0 - p0)
paddsb m15, m4 ; 3 * (q0 - p0)
paddsb m6, m15, [pb_4] ; m6: f1 = clip(f + 4, 127)
paddsb m15, [pb_3] ; m15: f2 = clip(f + 3, 127)
SRSHIFT3B_2X m6, m15, m14, m9 ; f1 and f2 sign byte shift by 3
%if %2 != 44
%define p0tmp m7
%define q0tmp m9
pandn m5, m2, m3 ; ~mask(in) & mask(fm)
pandn m0, m5 ; ~mask(hev) & (~mask(in) & mask(fm))
%else
%define p0tmp m1
%define q0tmp m2
pandn m0, m3
%endif
SIGN_SUB q0tmp, m12, m6, m4, m14 ; q0 - f1
MASK_APPLY q0tmp, m7, m0, m5 ; filter4(q0) & mask
mova [Q0], q0tmp
SIGN_ADD p0tmp, m11, m15, m4, m14 ; p0 + f2
MASK_APPLY p0tmp, m8, m0, m5 ; filter4(p0) & mask
mova [P0], p0tmp
paddb m6, [pb_80] ;
pxor m8, m8 ; f=(f1+1)>>1
pavgb m6, m8 ;
psubb m6, [pb_40] ;
SIGN_ADD m7, m10, m6, m8, m9 ; p1 + f
SIGN_SUB m4, m13, m6, m8, m9 ; q1 - f
MASK_APPLY m7, m10, m0, m14 ; m7 = filter4(p1)
MASK_APPLY m4, m13, m0, m14 ; m4 = filter4(q1)
mova [P1], m7
mova [Q1], m4
; ([m1: flat8out], m2: flat8in, m3: fm, m10..13: p1 p0 q0 q1)
; filter6()
%if %2 != 44
pxor m0, m0
%if %2 > 16
pand m3, m2
%else
pand m2, m3 ; mask(fm) & mask(in)
pandn m3, m1, m2 ; ~mask(out) & (mask(fm) & mask(in))
%endif
mova m14, [P3]
mova m15, [P2]
mova m8, [Q2]
mova m9, [Q3]
FILTER_INIT m4, m5, m6, m7, [P2], 6, m3, m15 ; [p2]
FILTER_UPDATE m6, m7, m4, m5, [P1], m14, m15, m10, m13, 3, m3 ; [p1] -p3 -p2 +p1 +q1
FILTER_UPDATE m4, m5, m6, m7, [P0], m14, m10, m11, m8, 3, m3 ; [p0] -p3 -p1 +p0 +q2
FILTER_UPDATE m6, m7, m4, m5, [Q0], m14, m11, m12, m9, 3, m3 ; [q0] -p3 -p0 +q0 +q3
FILTER_UPDATE m4, m5, m6, m7, [Q1], m15, m12, m13, m9, 3, m3 ; [q1] -p2 -q0 +q1 +q3
FILTER_UPDATE m6, m7, m4, m5, [Q2], m10, m13, m8, m9, 3, m3, m8 ; [q2] -p1 -q1 +q2 +q3
%endif
; (m0: 0, [m1: flat8out], m2: fm & flat8in, m8..15: q2 q3 p1 p0 q0 q1 p3 p2)
; filter14()
;
; m2 m3 m8 m9 m14 m15 m10 m11 m12 m13
;
; q2 q3 p3 p2 p1 p0 q0 q1
; p6 -7 p7 p6 p5 p4 . . . . .
; p5 -6 -p7 -p6 +p5 +q1 . . . .
; p4 -5 -p7 -p5 +p4 +q2 . . . q2
; p3 -4 -p7 -p4 +p3 +q3 . . . q3
; p2 -3 -p7 -p3 +p2 +q4 . . . q4
; p1 -2 -p7 -p2 +p1 +q5 . . . q5
; p0 -1 -p7 -p1 +p0 +q6 . . . q6
; q0 +0 -p7 -p0 +q0 +q7 . . . q7
; q1 +1 -p6 -q0 +q1 +q7 q1 . . .
; q2 +2 -p5 -q1 +q2 +q7 . q2 . .
; q3 +3 -p4 -q2 +q3 +q7 . q3 . .
; q4 +4 -p3 -q3 +q4 +q7 . q4 . .
; q5 +5 -p2 -q4 +q5 +q7 . q5 . .
; q6 +6 -p1 -q5 +q6 +q7 . q6 . .
%if %2 == 16
pand m1, m2 ; mask(out) & (mask(fm) & mask(in))
mova m2, [P7]
mova m3, [P6]
mova m8, [P5]
mova m9, [P4]
FILTER_INIT m4, m5, m6, m7, [P6], 14, m1, m3
FILTER_UPDATE m6, m7, m4, m5, [P5], m2, m3, m8, m13, 4, m1, m8 ; [p5] -p7 -p6 +p5 +q1
FILTER_UPDATE m4, m5, m6, m7, [P4], m2, m8, m9, m13, 4, m1, m9, m13, [Q2] ; [p4] -p7 -p5 +p4 +q2
FILTER_UPDATE m6, m7, m4, m5, [P3], m2, m9, m14, m13, 4, m1, m14, m13, [Q3] ; [p3] -p7 -p4 +p3 +q3
FILTER_UPDATE m4, m5, m6, m7, [P2], m2, m14, m15, m13, 4, m1, m13, [Q4] ; [p2] -p7 -p3 +p2 +q4
FILTER_UPDATE m6, m7, m4, m5, [P1], m2, m15, m10, m13, 4, m1, m13, [Q5] ; [p1] -p7 -p2 +p1 +q5
FILTER_UPDATE m4, m5, m6, m7, [P0], m2, m10, m11, m13, 4, m1, m13, [Q6] ; [p0] -p7 -p1 +p0 +q6
FILTER_UPDATE m6, m7, m4, m5, [Q0], m2, m11, m12, m13, 4, m1, m13, [Q7] ; [q0] -p7 -p0 +q0 +q7
FILTER_UPDATE m4, m5, m6, m7, [Q1], m3, m12, m2, m13, 4, m1, m2, [Q1] ; [q1] -p6 -q0 +q1 +q7
FILTER_UPDATE m6, m7, m4, m5, [Q2], m8, m2, m3, m13, 4, m1, m3, [Q2] ; [q2] -p5 -q1 +q2 +q7
FILTER_UPDATE m4, m5, m6, m7, [Q3], m9, m3, m8, m13, 4, m1, m8, m8, [Q3] ; [q3] -p4 -q2 +q3 +q7
FILTER_UPDATE m6, m7, m4, m5, [Q4], m14, m8, m9, m13, 4, m1, m9, m9, [Q4] ; [q4] -p3 -q3 +q4 +q7
FILTER_UPDATE m4, m5, m6, m7, [Q5], m15, m9, m14, m13, 4, m1, m14, m14, [Q5] ; [q5] -p2 -q4 +q5 +q7
FILTER_UPDATE m6, m7, m4, m5, [Q6], m10, m14, m15, m13, 4, m1, m15, m15, [Q6] ; [q6] -p1 -q5 +q6 +q7
%endif
%ifidn %1, h
%if %2 == 16
mova m0, [P7]
mova m1, [P6]
mova m2, [P5]
mova m3, [P4]
mova m4, [P3]
mova m5, [P2]
mova m6, [P1]
mova m7, [P0]
mova m8, [Q0]
mova m9, [Q1]
mova m10, [Q2]
mova m11, [Q3]
mova m12, [Q4]
mova m13, [Q5]
mova m14, [Q6]
mova m15, [Q7]
TRANSPOSE16x16B 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, [rsp]
DEFINE_REAL_P7_TO_Q7
movu [P7], m0
movu [P6], m1
movu [P5], m2
movu [P4], m3
movu [P3], m4
movu [P2], m5
movu [P1], m6
movu [P0], m7
movu [Q0], m8
movu [Q1], m9
movu [Q2], m10
movu [Q3], m11
movu [Q4], m12
movu [Q5], m13
movu [Q6], m14
movu [Q7], m15
%elif %2 == 44
SWAP 0, 7 ; m0 = p1
SWAP 3, 4 ; m3 = q1
DEFINE_REAL_P7_TO_Q7 2
SBUTTERFLY bw, 0, 1, 8
SBUTTERFLY bw, 2, 3, 8
SBUTTERFLY wd, 0, 2, 8
SBUTTERFLY wd, 1, 3, 8
SBUTTERFLY dq, 0, 4, 8
SBUTTERFLY dq, 1, 5, 8
SBUTTERFLY dq, 2, 6, 8
SBUTTERFLY dq, 3, 7, 8
movd [P7], m0
punpckhqdq m0, m8
movd [P6], m0
movd [Q0], m1
punpckhqdq m1, m9
movd [Q1], m1
movd [P3], m2
punpckhqdq m2, m10
movd [P2], m2
movd [Q4], m3
punpckhqdq m3, m11
movd [Q5], m3
movd [P5], m4
punpckhqdq m4, m12
movd [P4], m4
movd [Q2], m5
punpckhqdq m5, m13
movd [Q3], m5
movd [P1], m6
punpckhqdq m6, m14
movd [P0], m6
movd [Q6], m7
punpckhqdq m7, m8
movd [Q7], m7
%else
; the following code do a transpose of 8 full lines to 16 half
; lines (high part). It is inlined to avoid the need of a staging area
mova m0, [P3]
mova m1, [P2]
mova m2, [P1]
mova m3, [P0]
mova m4, [Q0]
mova m5, [Q1]
mova m6, [Q2]
mova m7, [Q3]
DEFINE_REAL_P7_TO_Q7
SBUTTERFLY bw, 0, 1, 8
SBUTTERFLY bw, 2, 3, 8
SBUTTERFLY bw, 4, 5, 8
SBUTTERFLY bw, 6, 7, 8
SBUTTERFLY wd, 0, 2, 8
SBUTTERFLY wd, 1, 3, 8
SBUTTERFLY wd, 4, 6, 8
SBUTTERFLY wd, 5, 7, 8
SBUTTERFLY dq, 0, 4, 8
SBUTTERFLY dq, 1, 5, 8
SBUTTERFLY dq, 2, 6, 8
SBUTTERFLY dq, 3, 7, 8
movh [P7], m0
punpckhqdq m0, m8
movh [P6], m0
movh [Q0], m1
punpckhqdq m1, m9
movh [Q1], m1
movh [P3], m2
punpckhqdq m2, m10
movh [P2], m2
movh [Q4], m3
punpckhqdq m3, m11
movh [Q5], m3
movh [P5], m4
punpckhqdq m4, m12
movh [P4], m4
movh [Q2], m5
punpckhqdq m5, m13
movh [Q3], m5
movh [P1], m6
punpckhqdq m6, m14
movh [P0], m6
movh [Q6], m7
punpckhqdq m7, m8
movh [Q7], m7
%endif
%endif
RET
%endmacro
%macro LPF_16_VH 2
INIT_XMM %2
cglobal vp9_loop_filter_v_%1_16, 5,10,16, dst, stride, E, I, H, mstride, dst1, dst2, stride3, mstride3
LOOPFILTER v, %1
cglobal vp9_loop_filter_h_%1_16, 5,10,16, 256, dst, stride, E, I, H, mstride, dst1, dst2, stride3, mstride3
LOOPFILTER h, %1
%endmacro
%macro LPF_16_VH_ALL_OPTS 1
LPF_16_VH %1, sse2
LPF_16_VH %1, ssse3
LPF_16_VH %1, avx
%endmacro
LPF_16_VH_ALL_OPTS 16
LPF_16_VH_ALL_OPTS 44
LPF_16_VH_ALL_OPTS 48
LPF_16_VH_ALL_OPTS 84
LPF_16_VH_ALL_OPTS 88
%endif ; x86-64