f244cbd5
 Hu Chunming
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|
/*****************************************************************************
* pixel.S: aarch64 pixel metrics
*****************************************************************************
* Copyright (C) 2009-2024 x264 project
*
* Authors: David Conrad <lessen42@gmail.com>
* Janne Grunau <janne-x264@jannau.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at licensing@x264.com.
*****************************************************************************/
#include "asm.S"
#include "pixel-a-common.S"
const mask
.rept 16
.byte 0xff
.endr
.rept 16
.byte 0x00
.endr
endconst
.macro SUMSUBL_AB sum, sub, a, b
uaddl \sum, \a, \b
usubl \sub, \a, \b
.endm
#if BIT_DEPTH == 8
.macro SAD_START_4
ld1 {v1.s}[0], [x2], x3
ld1 {v0.s}[0], [x0], x1
ld1 {v1.s}[1], [x2], x3
ld1 {v0.s}[1], [x0], x1
uabdl v16.8h, v0.8b, v1.8b
.endm
.macro SAD_4
ld1 {v1.s}[0], [x2], x3
ld1 {v0.s}[0], [x0], x1
ld1 {v1.s}[1], [x2], x3
ld1 {v0.s}[1], [x0], x1
uabal v16.8h, v0.8b, v1.8b
.endm
.macro SAD_START_8
ld1 {v1.8b}, [x2], x3
ld1 {v0.8b}, [x0], x1
ld1 {v3.8b}, [x2], x3
ld1 {v2.8b}, [x0], x1
uabdl v16.8h, v0.8b, v1.8b
uabdl v17.8h, v2.8b, v3.8b
.endm
.macro SAD_8
ld1 {v1.8b}, [x2], x3
ld1 {v0.8b}, [x0], x1
ld1 {v3.8b}, [x2], x3
ld1 {v2.8b}, [x0], x1
uabal v16.8h, v0.8b, v1.8b
uabal v17.8h, v2.8b, v3.8b
.endm
.macro SAD_START_16
ld1 {v1.16b}, [x2], x3
ld1 {v0.16b}, [x0], x1
ld1 {v3.16b}, [x2], x3
ld1 {v2.16b}, [x0], x1
uabdl v16.8h, v0.8b, v1.8b
uabdl2 v17.8h, v0.16b, v1.16b
uabal v16.8h, v2.8b, v3.8b
uabal2 v17.8h, v2.16b, v3.16b
.endm
.macro SAD_16
ld1 {v1.16b}, [x2], x3
ld1 {v0.16b}, [x0], x1
ld1 {v3.16b}, [x2], x3
ld1 {v2.16b}, [x0], x1
uabal v16.8h, v0.8b, v1.8b
uabal2 v17.8h, v0.16b, v1.16b
uabal v16.8h, v2.8b, v3.8b
uabal2 v17.8h, v2.16b, v3.16b
.endm
.macro SAD_FUNC w, h, name
function pixel_sad\name\()_\w\()x\h\()_neon, export=1
SAD_START_\w
.rept \h / 2 - 1
SAD_\w
.endr
.if \w > 4
add v16.8h, v16.8h, v17.8h
.endif
uaddlv s0, v16.8h
fmov w0, s0
ret
endfunc
.endm
.macro SAD_X_4 x, first=uabal
ld1 {v0.s}[0], [x0], x7
ld1 {v1.s}[0], [x1], x5
ld1 {v0.s}[1], [x0], x7
ld1 {v1.s}[1], [x1], x5
ld1 {v2.s}[0], [x2], x5
ld1 {v2.s}[1], [x2], x5
\first v16.8h, v1.8b, v0.8b
ld1 {v3.s}[0], [x3], x5
ld1 {v3.s}[1], [x3], x5
\first v17.8h, v2.8b, v0.8b
.if \x == 4
ld1 {v4.s}[0], [x4], x5
ld1 {v4.s}[1], [x4], x5
.endif
\first v18.8h, v3.8b, v0.8b
.if \x == 4
\first v19.8h, v4.8b, v0.8b
.endif
.endm
.macro SAD_X_8 x, first=uabal
ld1 {v0.8b}, [x0], x7
ld1 {v1.8b}, [x1], x5
ld1 {v2.8b}, [x2], x5
\first v16.8h, v1.8b, v0.8b
ld1 {v3.8b}, [x3], x5
\first v17.8h, v2.8b, v0.8b
ld1 {v5.8b}, [x0], x7
ld1 {v1.8b}, [x1], x5
\first v18.8h, v3.8b, v0.8b
ld1 {v2.8b}, [x2], x5
uabal v16.8h, v1.8b, v5.8b
ld1 {v3.8b}, [x3], x5
uabal v17.8h, v2.8b, v5.8b
.if \x == 4
ld1 {v4.8b}, [x4], x5
ld1 {v1.8b}, [x4], x5
.endif
uabal v18.8h, v3.8b, v5.8b
.if \x == 4
\first v19.8h, v4.8b, v0.8b
uabal v19.8h, v1.8b, v5.8b
.endif
.endm
.macro SAD_X_16 x, first=uabal
ld1 {v0.16b}, [x0], x7
ld1 {v1.16b}, [x1], x5
ld1 {v2.16b}, [x2], x5
\first v16.8h, v1.8b, v0.8b
\first\()2 v20.8h, v1.16b, v0.16b
ld1 {v3.16b}, [x3], x5
\first v17.8h, v2.8b, v0.8b
\first\()2 v21.8h, v2.16b, v0.16b
ld1 {v5.16b}, [x0], x7
ld1 {v1.16b}, [x1], x5
\first v18.8h, v3.8b, v0.8b
\first\()2 v22.8h, v3.16b, v0.16b
ld1 {v2.16b}, [x2], x5
uabal v16.8h, v1.8b, v5.8b
uabal2 v20.8h, v1.16b, v5.16b
ld1 {v3.16b}, [x3], x5
uabal v17.8h, v2.8b, v5.8b
uabal2 v21.8h, v2.16b, v5.16b
.if \x == 4
ld1 {v4.16b}, [x4], x5
ld1 {v1.16b}, [x4], x5
.endif
uabal v18.8h, v3.8b, v5.8b
uabal2 v22.8h, v3.16b, v5.16b
.if \x == 4
\first v19.8h, v4.8b, v0.8b
\first\()2 v23.8h, v4.16b, v0.16b
uabal v19.8h, v1.8b, v5.8b
uabal2 v23.8h, v1.16b, v5.16b
.endif
.endm
.macro SAD_X_FUNC x, w, h
function pixel_sad_x\x\()_\w\()x\h\()_neon, export=1
.if \x == 3
mov x6, x5
mov x5, x4
.endif
mov x7, #FENC_STRIDE
SAD_X_\w \x, uabdl
.rept \h / 2 - 1
SAD_X_\w \x
.endr
.if \w > 8
add v16.8h, v16.8h, v20.8h
add v17.8h, v17.8h, v21.8h
add v18.8h, v18.8h, v22.8h
.if \x == 4
add v19.8h, v19.8h, v23.8h
.endif
.endif
// add up the sads
uaddlv s0, v16.8h
uaddlv s1, v17.8h
uaddlv s2, v18.8h
stp s0, s1, [x6], #8
.if \x == 3
str s2, [x6]
.else
uaddlv s3, v19.8h
stp s2, s3, [x6]
.endif
ret
endfunc
.endm
function pixel_vsad_neon, export=1
subs w2, w2, #2
ld1 {v0.16b}, [x0], x1
ld1 {v1.16b}, [x0], x1
uabdl v6.8h, v0.8b, v1.8b
uabdl2 v7.8h, v0.16b, v1.16b
b.le 2f
1:
subs w2, w2, #2
ld1 {v0.16b}, [x0], x1
uabal v6.8h, v1.8b, v0.8b
uabal2 v7.8h, v1.16b, v0.16b
ld1 {v1.16b}, [x0], x1
b.lt 2f
uabal v6.8h, v0.8b, v1.8b
uabal2 v7.8h, v0.16b, v1.16b
b.gt 1b
2:
add v5.8h, v6.8h, v7.8h
uaddlv s0, v5.8h
fmov w0, s0
ret
endfunc
function pixel_asd8_neon, export=1
sub w4, w4, #2
ld1 {v0.8b}, [x0], x1
ld1 {v1.8b}, [x2], x3
ld1 {v2.8b}, [x0], x1
ld1 {v3.8b}, [x2], x3
usubl v16.8h, v0.8b, v1.8b
1:
subs w4, w4, #2
ld1 {v4.8b}, [x0], x1
ld1 {v5.8b}, [x2], x3
usubl v17.8h, v2.8b, v3.8b
usubl v18.8h, v4.8b, v5.8b
add v16.8h, v16.8h, v17.8h
ld1 {v2.8b}, [x0], x1
ld1 {v3.8b}, [x2], x3
add v16.8h, v16.8h, v18.8h
b.gt 1b
usubl v17.8h, v2.8b, v3.8b
add v16.8h, v16.8h, v17.8h
saddlv s0, v16.8h
abs v0.2s, v0.2s
fmov w0, s0
ret
endfunc
.macro SSD_START_4
ld1 {v16.s}[0], [x0], x1
ld1 {v17.s}[0], [x2], x3
usubl v2.8h, v16.8b, v17.8b
ld1 {v16.s}[0], [x0], x1
ld1 {v17.s}[0], [x2], x3
smull v0.4s, v2.4h, v2.4h
.endm
.macro SSD_4
usubl v2.8h, v16.8b, v17.8b
ld1 {v16.s}[0], [x0], x1
ld1 {v17.s}[0], [x2], x3
smlal v0.4s, v2.4h, v2.4h
.endm
.macro SSD_END_4
usubl v2.8h, v16.8b, v17.8b
smlal v0.4s, v2.4h, v2.4h
.endm
.macro SSD_START_8
ld1 {v16.8b}, [x0], x1
ld1 {v17.8b}, [x2], x3
usubl v2.8h, v16.8b, v17.8b
ld1 {v16.8b}, [x0], x1
smull v0.4s, v2.4h, v2.4h
ld1 {v17.8b}, [x2], x3
smlal2 v0.4s, v2.8h, v2.8h
.endm
.macro SSD_8
usubl v2.8h, v16.8b, v17.8b
ld1 {v16.8b}, [x0], x1
smlal v0.4s, v2.4h, v2.4h
ld1 {v17.8b}, [x2], x3
smlal2 v0.4s, v2.8h, v2.8h
.endm
.macro SSD_END_8
usubl v2.8h, v16.8b, v17.8b
smlal v0.4s, v2.4h, v2.4h
smlal2 v0.4s, v2.8h, v2.8h
.endm
.macro SSD_START_16
ld1 {v16.16b}, [x0], x1
ld1 {v17.16b}, [x2], x3
usubl v2.8h, v16.8b, v17.8b
usubl2 v3.8h, v16.16b, v17.16b
ld1 {v16.16b}, [x0], x1
smull v0.4s, v2.4h, v2.4h
smull2 v1.4s, v2.8h, v2.8h
ld1 {v17.16b}, [x2], x3
smlal v0.4s, v3.4h, v3.4h
smlal2 v1.4s, v3.8h, v3.8h
.endm
.macro SSD_16
usubl v2.8h, v16.8b, v17.8b
usubl2 v3.8h, v16.16b, v17.16b
ld1 {v16.16b}, [x0], x1
smlal v0.4s, v2.4h, v2.4h
smlal2 v1.4s, v2.8h, v2.8h
ld1 {v17.16b}, [x2], x3
smlal v0.4s, v3.4h, v3.4h
smlal2 v1.4s, v3.8h, v3.8h
.endm
.macro SSD_END_16
usubl v2.8h, v16.8b, v17.8b
usubl2 v3.8h, v16.16b, v17.16b
smlal v0.4s, v2.4h, v2.4h
smlal2 v1.4s, v2.8h, v2.8h
smlal v0.4s, v3.4h, v3.4h
smlal2 v1.4s, v3.8h, v3.8h
add v0.4s, v0.4s, v1.4s
.endm
.macro SSD_FUNC w h
function pixel_ssd_\w\()x\h\()_neon, export=1
SSD_START_\w
.rept \h-2
SSD_\w
.endr
SSD_END_\w
addv s0, v0.4s
mov w0, v0.s[0]
ret
endfunc
.endm
function pixel_satd_4x4_neon, export=1
ld1 {v1.s}[0], [x2], x3
ld1 {v0.s}[0], [x0], x1
ld1 {v3.s}[0], [x2], x3
ld1 {v2.s}[0], [x0], x1
ld1 {v1.s}[1], [x2], x3
ld1 {v0.s}[1], [x0], x1
ld1 {v3.s}[1], [x2], x3
ld1 {v2.s}[1], [x0], x1
usubl v0.8h, v0.8b, v1.8b
usubl v1.8h, v2.8b, v3.8b
SUMSUB_AB v2.8h, v3.8h, v0.8h, v1.8h
zip1 v0.2d, v2.2d, v3.2d
zip2 v1.2d, v2.2d, v3.2d
SUMSUB_AB v2.8h, v3.8h, v0.8h, v1.8h
trn1 v0.8h, v2.8h, v3.8h
trn2 v1.8h, v2.8h, v3.8h
SUMSUB_AB v2.8h, v3.8h, v0.8h, v1.8h
trn1 v0.4s, v2.4s, v3.4s
trn2 v1.4s, v2.4s, v3.4s
abs v0.8h, v0.8h
abs v1.8h, v1.8h
umax v0.8h, v0.8h, v1.8h
uaddlv s0, v0.8h
mov w0, v0.s[0]
ret
endfunc
function pixel_satd_4x8_neon, export=1
ld1 {v1.s}[0], [x2], x3
ld1 {v0.s}[0], [x0], x1
ld1 {v3.s}[0], [x2], x3
ld1 {v2.s}[0], [x0], x1
ld1 {v5.s}[0], [x2], x3
ld1 {v4.s}[0], [x0], x1
ld1 {v7.s}[0], [x2], x3
ld1 {v6.s}[0], [x0], x1
ld1 {v1.s}[1], [x2], x3
ld1 {v0.s}[1], [x0], x1
ld1 {v3.s}[1], [x2], x3
ld1 {v2.s}[1], [x0], x1
ld1 {v5.s}[1], [x2], x3
ld1 {v4.s}[1], [x0], x1
ld1 {v7.s}[1], [x2], x3
ld1 {v6.s}[1], [x0], x1
b satd_4x8_8x4_end_neon
endfunc
function pixel_satd_8x4_neon, export=1
ld1 {v1.8b}, [x2], x3
ld1 {v0.8b}, [x0], x1
ld1 {v3.8b}, [x2], x3
ld1 {v2.8b}, [x0], x1
ld1 {v5.8b}, [x2], x3
ld1 {v4.8b}, [x0], x1
ld1 {v7.8b}, [x2], x3
ld1 {v6.8b}, [x0], x1
endfunc
function satd_4x8_8x4_end_neon
usubl v0.8h, v0.8b, v1.8b
usubl v1.8h, v2.8b, v3.8b
usubl v2.8h, v4.8b, v5.8b
usubl v3.8h, v6.8b, v7.8b
SUMSUB_AB v16.8h, v17.8h, v0.8h, v1.8h
SUMSUB_AB v18.8h, v19.8h, v2.8h, v3.8h
SUMSUB_AB v4.8h, v6.8h, v16.8h, v18.8h
SUMSUB_AB v5.8h, v7.8h, v17.8h, v19.8h
trn1 v0.8h, v4.8h, v5.8h
trn2 v1.8h, v4.8h, v5.8h
trn1 v2.8h, v6.8h, v7.8h
trn2 v3.8h, v6.8h, v7.8h
SUMSUB_AB v16.8h, v17.8h, v0.8h, v1.8h
SUMSUB_AB v18.8h, v19.8h, v2.8h, v3.8h
trn1 v0.4s, v16.4s, v18.4s
trn2 v1.4s, v16.4s, v18.4s
trn1 v2.4s, v17.4s, v19.4s
trn2 v3.4s, v17.4s, v19.4s
abs v0.8h, v0.8h
abs v1.8h, v1.8h
abs v2.8h, v2.8h
abs v3.8h, v3.8h
umax v0.8h, v0.8h, v1.8h
umax v1.8h, v2.8h, v3.8h
add v0.8h, v0.8h, v1.8h
uaddlv s0, v0.8h
mov w0, v0.s[0]
ret
endfunc
function pixel_satd_4x16_neon, export=1
mov x4, x30
ld1 {v1.s}[0], [x2], x3
ld1 {v0.s}[0], [x0], x1
ld1 {v3.s}[0], [x2], x3
ld1 {v2.s}[0], [x0], x1
ld1 {v5.s}[0], [x2], x3
ld1 {v4.s}[0], [x0], x1
ld1 {v7.s}[0], [x2], x3
ld1 {v6.s}[0], [x0], x1
ld1 {v1.s}[1], [x2], x3
ld1 {v0.s}[1], [x0], x1
ld1 {v3.s}[1], [x2], x3
ld1 {v2.s}[1], [x0], x1
ld1 {v5.s}[1], [x2], x3
ld1 {v4.s}[1], [x0], x1
ld1 {v7.s}[1], [x2], x3
ld1 {v6.s}[1], [x0], x1
usubl v16.8h, v0.8b, v1.8b
usubl v17.8h, v2.8b, v3.8b
usubl v18.8h, v4.8b, v5.8b
usubl v19.8h, v6.8b, v7.8b
ld1 {v1.s}[0], [x2], x3
ld1 {v0.s}[0], [x0], x1
ld1 {v3.s}[0], [x2], x3
ld1 {v2.s}[0], [x0], x1
ld1 {v5.s}[0], [x2], x3
ld1 {v4.s}[0], [x0], x1
ld1 {v7.s}[0], [x2], x3
ld1 {v6.s}[0], [x0], x1
ld1 {v1.s}[1], [x2], x3
ld1 {v0.s}[1], [x0], x1
ld1 {v3.s}[1], [x2], x3
ld1 {v2.s}[1], [x0], x1
ld1 {v5.s}[1], [x2], x3
ld1 {v4.s}[1], [x0], x1
ld1 {v7.s}[1], [x2], x3
ld1 {v6.s}[1], [x0], x1
usubl v20.8h, v0.8b, v1.8b
usubl v21.8h, v2.8b, v3.8b
usubl v22.8h, v4.8b, v5.8b
usubl v23.8h, v6.8b, v7.8b
SUMSUB_AB v0.8h, v1.8h, v16.8h, v17.8h
SUMSUB_AB v2.8h, v3.8h, v18.8h, v19.8h
bl satd_8x4v_8x8h_neon
add v30.8h, v0.8h, v1.8h
add v31.8h, v2.8h, v3.8h
add v0.8h, v30.8h, v31.8h
uaddlv s0, v0.8h
mov w0, v0.s[0]
ret x4
endfunc
.macro load_diff_fly_8x8
ld1 {v1.8b}, [x2], x3
ld1 {v0.8b}, [x0], x1
ld1 {v3.8b}, [x2], x3
ld1 {v2.8b}, [x0], x1
usubl v16.8h, v0.8b, v1.8b
ld1 {v5.8b}, [x2], x3
ld1 {v4.8b}, [x0], x1
usubl v17.8h, v2.8b, v3.8b
ld1 {v7.8b}, [x2], x3
ld1 {v6.8b}, [x0], x1
usubl v18.8h, v4.8b, v5.8b
ld1 {v1.8b}, [x2], x3
ld1 {v0.8b}, [x0], x1
usubl v19.8h, v6.8b, v7.8b
ld1 {v3.8b}, [x2], x3
ld1 {v2.8b}, [x0], x1
usubl v20.8h, v0.8b, v1.8b
ld1 {v5.8b}, [x2], x3
ld1 {v4.8b}, [x0], x1
usubl v21.8h, v2.8b, v3.8b
ld1 {v7.8b}, [x2], x3
ld1 {v6.8b}, [x0], x1
SUMSUB_AB v0.8h, v1.8h, v16.8h, v17.8h
SUMSUB_AB v2.8h, v3.8h, v18.8h, v19.8h
usubl v22.8h, v4.8b, v5.8b
usubl v23.8h, v6.8b, v7.8b
.endm
function pixel_satd_8x8_neon, export=1
mov x4, x30
bl satd_8x8_neon
add v0.8h, v0.8h, v1.8h
add v1.8h, v2.8h, v3.8h
add v0.8h, v0.8h, v1.8h
uaddlv s0, v0.8h
mov w0, v0.s[0]
ret x4
endfunc
function pixel_satd_8x16_neon, export=1
mov x4, x30
bl satd_8x8_neon
add v0.8h, v0.8h, v1.8h
add v1.8h, v2.8h, v3.8h
add v30.8h, v0.8h, v1.8h
bl satd_8x8_neon
add v0.8h, v0.8h, v1.8h
add v1.8h, v2.8h, v3.8h
add v31.8h, v0.8h, v1.8h
add v0.8h, v30.8h, v31.8h
uaddlv s0, v0.8h
mov w0, v0.s[0]
ret x4
endfunc
function satd_8x8_neon
load_diff_fly_8x8
endfunc
// one vertical hadamard pass and two horizontal
function satd_8x4v_8x8h_neon
SUMSUB_AB v16.8h, v18.8h, v0.8h, v2.8h
SUMSUB_AB v17.8h, v19.8h, v1.8h, v3.8h
HADAMARD4_V v20.8h, v21.8h, v22.8h, v23.8h, v0.8h, v1.8h, v2.8h, v3.8h
transpose v0.8h, v1.8h, v16.8h, v17.8h
transpose v2.8h, v3.8h, v18.8h, v19.8h
transpose v4.8h, v5.8h, v20.8h, v21.8h
transpose v6.8h, v7.8h, v22.8h, v23.8h
SUMSUB_AB v16.8h, v17.8h, v0.8h, v1.8h
SUMSUB_AB v18.8h, v19.8h, v2.8h, v3.8h
SUMSUB_AB v20.8h, v21.8h, v4.8h, v5.8h
SUMSUB_AB v22.8h, v23.8h, v6.8h, v7.8h
transpose v0.4s, v2.4s, v16.4s, v18.4s
transpose v1.4s, v3.4s, v17.4s, v19.4s
transpose v4.4s, v6.4s, v20.4s, v22.4s
transpose v5.4s, v7.4s, v21.4s, v23.4s
abs v0.8h, v0.8h
abs v1.8h, v1.8h
abs v2.8h, v2.8h
abs v3.8h, v3.8h
abs v4.8h, v4.8h
abs v5.8h, v5.8h
abs v6.8h, v6.8h
abs v7.8h, v7.8h
umax v0.8h, v0.8h, v2.8h
umax v1.8h, v1.8h, v3.8h
umax v2.8h, v4.8h, v6.8h
umax v3.8h, v5.8h, v7.8h
ret
endfunc
function pixel_ssd_nv12_core_neon, export=1
sxtw x8, w4
add x8, x8, #8
and x8, x8, #~15
movi v6.2d, #0
movi v7.2d, #0
sub x1, x1, x8, lsl #1
sub x3, x3, x8, lsl #1
1:
subs w8, w4, #16
ld2 {v0.8b,v1.8b}, [x0], #16
ld2 {v2.8b,v3.8b}, [x2], #16
ld2 {v24.8b,v25.8b}, [x0], #16
ld2 {v26.8b,v27.8b}, [x2], #16
usubl v16.8h, v0.8b, v2.8b
usubl v17.8h, v1.8b, v3.8b
smull v20.4s, v16.4h, v16.4h
smull v21.4s, v17.4h, v17.4h
usubl v18.8h, v24.8b, v26.8b
usubl v19.8h, v25.8b, v27.8b
smlal2 v20.4s, v16.8h, v16.8h
smlal2 v21.4s, v17.8h, v17.8h
b.lt 4f
b.eq 3f
2:
smlal v20.4s, v18.4h, v18.4h
smlal v21.4s, v19.4h, v19.4h
ld2 {v0.8b,v1.8b}, [x0], #16
ld2 {v2.8b,v3.8b}, [x2], #16
smlal2 v20.4s, v18.8h, v18.8h
smlal2 v21.4s, v19.8h, v19.8h
subs w8, w8, #16
usubl v16.8h, v0.8b, v2.8b
usubl v17.8h, v1.8b, v3.8b
smlal v20.4s, v16.4h, v16.4h
smlal v21.4s, v17.4h, v17.4h
ld2 {v24.8b,v25.8b}, [x0], #16
ld2 {v26.8b,v27.8b}, [x2], #16
smlal2 v20.4s, v16.8h, v16.8h
smlal2 v21.4s, v17.8h, v17.8h
b.lt 4f
usubl v18.8h, v24.8b, v26.8b
usubl v19.8h, v25.8b, v27.8b
b.gt 2b
3:
smlal v20.4s, v18.4h, v18.4h
smlal v21.4s, v19.4h, v19.4h
smlal2 v20.4s, v18.8h, v18.8h
smlal2 v21.4s, v19.8h, v19.8h
4:
subs w5, w5, #1
uaddw v6.2d, v6.2d, v20.2s
uaddw v7.2d, v7.2d, v21.2s
add x0, x0, x1
add x2, x2, x3
uaddw2 v6.2d, v6.2d, v20.4s
uaddw2 v7.2d, v7.2d, v21.4s
b.gt 1b
addp v6.2d, v6.2d, v7.2d
st1 {v6.d}[0], [x6]
st1 {v6.d}[1], [x7]
ret
endfunc
.macro pixel_var_8 h
function pixel_var_8x\h\()_neon, export=1
ld1 {v16.8b}, [x0], x1
ld1 {v17.8b}, [x0], x1
mov x2, \h - 4
umull v1.8h, v16.8b, v16.8b
uxtl v0.8h, v16.8b
umull v2.8h, v17.8b, v17.8b
uaddw v0.8h, v0.8h, v17.8b
ld1 {v18.8b}, [x0], x1
uaddlp v1.4s, v1.8h
uaddlp v2.4s, v2.8h
ld1 {v19.8b}, [x0], x1
1: subs x2, x2, #4
uaddw v0.8h, v0.8h, v18.8b
umull v24.8h, v18.8b, v18.8b
ld1 {v20.8b}, [x0], x1
uaddw v0.8h, v0.8h, v19.8b
umull v25.8h, v19.8b, v19.8b
uadalp v1.4s, v24.8h
ld1 {v21.8b}, [x0], x1
uaddw v0.8h, v0.8h, v20.8b
umull v26.8h, v20.8b, v20.8b
uadalp v2.4s, v25.8h
ld1 {v18.8b}, [x0], x1
uaddw v0.8h, v0.8h, v21.8b
umull v27.8h, v21.8b, v21.8b
uadalp v1.4s, v26.8h
ld1 {v19.8b}, [x0], x1
uadalp v2.4s, v27.8h
b.gt 1b
uaddw v0.8h, v0.8h, v18.8b
umull v28.8h, v18.8b, v18.8b
uaddw v0.8h, v0.8h, v19.8b
umull v29.8h, v19.8b, v19.8b
uadalp v1.4s, v28.8h
uadalp v2.4s, v29.8h
b var_end
endfunc
.endm
function pixel_var_16x16_neon, export=1
ld1 {v16.16b}, [x0], x1
ld1 {v17.16b}, [x0], x1
mov x2, #14
umull v1.8h, v16.8b, v16.8b
umull2 v2.8h, v16.16b, v16.16b
uxtl v0.8h, v16.8b
uaddlp v1.4s, v1.8h
uaddlp v2.4s, v2.8h
uaddw2 v0.8h, v0.8h, v16.16b
1: subs x2, x2, #2
ld1 {v18.16b}, [x0], x1
uaddw v0.8h, v0.8h, v17.8b
umull v3.8h, v17.8b, v17.8b
uaddw2 v0.8h, v0.8h, v17.16b
umull2 v4.8h, v17.16b, v17.16b
uadalp v1.4s, v3.8h
uadalp v2.4s, v4.8h
ld1 {v17.16b}, [x0], x1
uaddw v0.8h, v0.8h, v18.8b
umull v5.8h, v18.8b, v18.8b
uaddw2 v0.8h, v0.8h, v18.16b
umull2 v6.8h, v18.16b, v18.16b
uadalp v1.4s, v5.8h
uadalp v2.4s, v6.8h
b.gt 1b
uaddw v0.8h, v0.8h, v17.8b
umull v3.8h, v17.8b, v17.8b
uaddw2 v0.8h, v0.8h, v17.16b
umull2 v4.8h, v17.16b, v17.16b
uadalp v1.4s, v3.8h
uadalp v2.4s, v4.8h
endfunc
function var_end
add v1.4s, v1.4s, v2.4s
uaddlv s0, v0.8h
uaddlv d1, v1.4s
mov w0, v0.s[0]
mov x1, v1.d[0]
orr x0, x0, x1, lsl #32
ret
endfunc
.macro pixel_var2_8 h
function pixel_var2_8x\h\()_neon, export=1
mov x3, #16
ld1 {v16.8b}, [x0], #8
ld1 {v18.8b}, [x1], x3
ld1 {v17.8b}, [x0], #8
ld1 {v19.8b}, [x1], x3
mov x5, \h - 2
usubl v0.8h, v16.8b, v18.8b
usubl v1.8h, v17.8b, v19.8b
ld1 {v16.8b}, [x0], #8
ld1 {v18.8b}, [x1], x3
smull v2.4s, v0.4h, v0.4h
smull2 v3.4s, v0.8h, v0.8h
smull v4.4s, v1.4h, v1.4h
smull2 v5.4s, v1.8h, v1.8h
usubl v6.8h, v16.8b, v18.8b
1: subs x5, x5, #1
ld1 {v17.8b}, [x0], #8
ld1 {v19.8b}, [x1], x3
smlal v2.4s, v6.4h, v6.4h
smlal2 v3.4s, v6.8h, v6.8h
usubl v7.8h, v17.8b, v19.8b
add v0.8h, v0.8h, v6.8h
ld1 {v16.8b}, [x0], #8
ld1 {v18.8b}, [x1], x3
smlal v4.4s, v7.4h, v7.4h
smlal2 v5.4s, v7.8h, v7.8h
usubl v6.8h, v16.8b, v18.8b
add v1.8h, v1.8h, v7.8h
b.gt 1b
ld1 {v17.8b}, [x0], #8
ld1 {v19.8b}, [x1], x3
smlal v2.4s, v6.4h, v6.4h
smlal2 v3.4s, v6.8h, v6.8h
usubl v7.8h, v17.8b, v19.8b
add v0.8h, v0.8h, v6.8h
smlal v4.4s, v7.4h, v7.4h
add v1.8h, v1.8h, v7.8h
smlal2 v5.4s, v7.8h, v7.8h
saddlv s0, v0.8h
saddlv s1, v1.8h
add v2.4s, v2.4s, v3.4s
add v4.4s, v4.4s, v5.4s
mov w0, v0.s[0]
mov w1, v1.s[0]
addv s2, v2.4s
addv s4, v4.4s
mul w0, w0, w0
mul w1, w1, w1
mov w3, v2.s[0]
mov w4, v4.s[0]
sub w0, w3, w0, lsr # 6 + (\h >> 4)
sub w1, w4, w1, lsr # 6 + (\h >> 4)
str w3, [x2]
add w0, w0, w1
str w4, [x2, #4]
ret
endfunc
.endm
function pixel_satd_16x8_neon, export=1
mov x4, x30
bl satd_16x4_neon
add v30.8h, v0.8h, v1.8h
add v31.8h, v2.8h, v3.8h
bl satd_16x4_neon
add v0.8h, v0.8h, v1.8h
add v1.8h, v2.8h, v3.8h
add v30.8h, v30.8h, v0.8h
add v31.8h, v31.8h, v1.8h
add v0.8h, v30.8h, v31.8h
uaddlv s0, v0.8h
mov w0, v0.s[0]
ret x4
endfunc
function pixel_satd_16x16_neon, export=1
mov x4, x30
bl satd_16x4_neon
add v30.8h, v0.8h, v1.8h
add v31.8h, v2.8h, v3.8h
bl satd_16x4_neon
add v0.8h, v0.8h, v1.8h
add v1.8h, v2.8h, v3.8h
add v30.8h, v30.8h, v0.8h
add v31.8h, v31.8h, v1.8h
bl satd_16x4_neon
add v0.8h, v0.8h, v1.8h
add v1.8h, v2.8h, v3.8h
add v30.8h, v30.8h, v0.8h
add v31.8h, v31.8h, v1.8h
bl satd_16x4_neon
add v0.8h, v0.8h, v1.8h
add v1.8h, v2.8h, v3.8h
add v30.8h, v30.8h, v0.8h
add v31.8h, v31.8h, v1.8h
add v0.8h, v30.8h, v31.8h
uaddlv s0, v0.8h
mov w0, v0.s[0]
ret x4
endfunc
function satd_16x4_neon
ld1 {v1.16b}, [x2], x3
ld1 {v0.16b}, [x0], x1
ld1 {v3.16b}, [x2], x3
ld1 {v2.16b}, [x0], x1
usubl v16.8h, v0.8b, v1.8b
usubl2 v20.8h, v0.16b, v1.16b
ld1 {v5.16b}, [x2], x3
ld1 {v4.16b}, [x0], x1
usubl v17.8h, v2.8b, v3.8b
usubl2 v21.8h, v2.16b, v3.16b
ld1 {v7.16b}, [x2], x3
ld1 {v6.16b}, [x0], x1
usubl v18.8h, v4.8b, v5.8b
usubl2 v22.8h, v4.16b, v5.16b
usubl v19.8h, v6.8b, v7.8b
usubl2 v23.8h, v6.16b, v7.16b
SUMSUB_AB v0.8h, v1.8h, v16.8h, v17.8h
SUMSUB_AB v2.8h, v3.8h, v18.8h, v19.8h
b satd_8x4v_8x8h_neon
endfunc
function pixel_sa8d_8x8_neon, export=1
mov x4, x30
bl pixel_sa8d_8x8_neon
add v0.8h, v0.8h, v1.8h
uaddlv s0, v0.8h
mov w0, v0.s[0]
add w0, w0, #1
lsr w0, w0, #1
ret x4
endfunc
function pixel_sa8d_16x16_neon, export=1
mov x4, x30
bl pixel_sa8d_8x8_neon
uaddlp v30.4s, v0.8h
uaddlp v31.4s, v1.8h
bl pixel_sa8d_8x8_neon
uadalp v30.4s, v0.8h
uadalp v31.4s, v1.8h
sub x0, x0, x1, lsl #4
sub x2, x2, x3, lsl #4
add x0, x0, #8
add x2, x2, #8
bl pixel_sa8d_8x8_neon
uadalp v30.4s, v0.8h
uadalp v31.4s, v1.8h
bl pixel_sa8d_8x8_neon
uadalp v30.4s, v0.8h
uadalp v31.4s, v1.8h
add v0.4s, v30.4s, v31.4s
addv s0, v0.4s
mov w0, v0.s[0]
add w0, w0, #1
lsr w0, w0, #1
ret x4
endfunc
.macro sa8d_satd_8x8 satd=
function pixel_sa8d_\satd\()8x8_neon
load_diff_fly_8x8
SUMSUB_AB v16.8h, v18.8h, v0.8h, v2.8h
SUMSUB_AB v17.8h, v19.8h, v1.8h, v3.8h
HADAMARD4_V v20.8h, v21.8h, v22.8h, v23.8h, v0.8h, v1.8h, v2.8h, v3.8h
.ifc \satd, satd_
transpose v0.8h, v1.8h, v16.8h, v17.8h
transpose v2.8h, v3.8h, v18.8h, v19.8h
transpose v4.8h, v5.8h, v20.8h, v21.8h
transpose v6.8h, v7.8h, v22.8h, v23.8h
SUMSUB_AB v24.8h, v25.8h, v0.8h, v1.8h
SUMSUB_AB v26.8h, v27.8h, v2.8h, v3.8h
SUMSUB_AB v0.8h, v1.8h, v4.8h, v5.8h
SUMSUB_AB v2.8h, v3.8h, v6.8h, v7.8h
transpose v4.4s, v6.4s, v24.4s, v26.4s
transpose v5.4s, v7.4s, v25.4s, v27.4s
transpose v24.4s, v26.4s, v0.4s, v2.4s
transpose v25.4s, v27.4s, v1.4s, v3.4s
abs v0.8h, v4.8h
abs v1.8h, v5.8h
abs v2.8h, v6.8h
abs v3.8h, v7.8h
abs v4.8h, v24.8h
abs v5.8h, v25.8h
abs v6.8h, v26.8h
abs v7.8h, v27.8h
umax v0.8h, v0.8h, v2.8h
umax v1.8h, v1.8h, v3.8h
umax v2.8h, v4.8h, v6.8h
umax v3.8h, v5.8h, v7.8h
add v26.8h, v0.8h, v1.8h
add v27.8h, v2.8h, v3.8h
.endif
SUMSUB_AB v0.8h, v16.8h, v16.8h, v20.8h
SUMSUB_AB v1.8h, v17.8h, v17.8h, v21.8h
SUMSUB_AB v2.8h, v18.8h, v18.8h, v22.8h
SUMSUB_AB v3.8h, v19.8h, v19.8h, v23.8h
transpose v20.8h, v21.8h, v16.8h, v17.8h
transpose v4.8h, v5.8h, v0.8h, v1.8h
transpose v22.8h, v23.8h, v18.8h, v19.8h
transpose v6.8h, v7.8h, v2.8h, v3.8h
SUMSUB_AB v2.8h, v3.8h, v20.8h, v21.8h
SUMSUB_AB v24.8h, v25.8h, v4.8h, v5.8h
SUMSUB_AB v0.8h, v1.8h, v22.8h, v23.8h
SUMSUB_AB v4.8h, v5.8h, v6.8h, v7.8h
transpose v20.4s, v22.4s, v2.4s, v0.4s
transpose v21.4s, v23.4s, v3.4s, v1.4s
transpose v16.4s, v18.4s, v24.4s, v4.4s
transpose v17.4s, v19.4s, v25.4s, v5.4s
SUMSUB_AB v0.8h, v2.8h, v20.8h, v22.8h
SUMSUB_AB v1.8h, v3.8h, v21.8h, v23.8h
SUMSUB_AB v4.8h, v6.8h, v16.8h, v18.8h
SUMSUB_AB v5.8h, v7.8h, v17.8h, v19.8h
transpose v16.2d, v20.2d, v0.2d, v4.2d
transpose v17.2d, v21.2d, v1.2d, v5.2d
transpose v18.2d, v22.2d, v2.2d, v6.2d
transpose v19.2d, v23.2d, v3.2d, v7.2d
abs v16.8h, v16.8h
abs v20.8h, v20.8h
abs v17.8h, v17.8h
abs v21.8h, v21.8h
abs v18.8h, v18.8h
abs v22.8h, v22.8h
abs v19.8h, v19.8h
abs v23.8h, v23.8h
umax v16.8h, v16.8h, v20.8h
umax v17.8h, v17.8h, v21.8h
umax v18.8h, v18.8h, v22.8h
umax v19.8h, v19.8h, v23.8h
add v0.8h, v16.8h, v17.8h
add v1.8h, v18.8h, v19.8h
ret
endfunc
.endm
function pixel_sa8d_satd_16x16_neon, export=1
mov x4, x30
bl pixel_sa8d_satd_8x8_neon
uaddlp v30.4s, v0.8h
uaddlp v31.4s, v1.8h
uaddlp v28.4s, v26.8h
uaddlp v29.4s, v27.8h
bl pixel_sa8d_satd_8x8_neon
uadalp v30.4s, v0.8h
uadalp v31.4s, v1.8h
uadalp v28.4s, v26.8h
uadalp v29.4s, v27.8h
sub x0, x0, x1, lsl #4
sub x2, x2, x3, lsl #4
add x0, x0, #8
add x2, x2, #8
bl pixel_sa8d_satd_8x8_neon
uadalp v30.4s, v0.8h
uadalp v31.4s, v1.8h
uadalp v28.4s, v26.8h
uadalp v29.4s, v27.8h
bl pixel_sa8d_satd_8x8_neon
uadalp v30.4s, v0.8h
uadalp v31.4s, v1.8h
uadalp v28.4s, v26.8h
uadalp v29.4s, v27.8h
add v0.4s, v30.4s, v31.4s // sa8d
add v1.4s, v28.4s, v29.4s // satd
addv s0, v0.4s
addv s1, v1.4s
urshr v0.4s, v0.4s, #1
fmov w0, s0
fmov w1, s1
add x0, x0, x1, lsl #32
ret x4
endfunc
.macro HADAMARD_AC w h
function pixel_hadamard_ac_\w\()x\h\()_neon, export=1
movrel x5, mask_ac_4_8
mov x4, x30
ld1 {v30.8h,v31.8h}, [x5]
movi v28.16b, #0
movi v29.16b, #0
bl hadamard_ac_8x8_neon
.if \h > 8
bl hadamard_ac_8x8_neon
.endif
.if \w > 8
sub x0, x0, x1, lsl #3
add x0, x0, #8
bl hadamard_ac_8x8_neon
.endif
.if \w * \h == 256
sub x0, x0, x1, lsl #4
bl hadamard_ac_8x8_neon
.endif
addv s1, v29.4s
addv s0, v28.4s
mov w1, v1.s[0]
mov w0, v0.s[0]
lsr w1, w1, #2
lsr w0, w0, #1
orr x0, x0, x1, lsl #32
ret x4
endfunc
.endm
// v28: satd v29: sa8d v30: mask_ac4 v31: mask_ac8
function hadamard_ac_8x8_neon
ld1 {v16.8b}, [x0], x1
ld1 {v17.8b}, [x0], x1
ld1 {v18.8b}, [x0], x1
ld1 {v19.8b}, [x0], x1
SUMSUBL_AB v0.8h, v1.8h, v16.8b, v17.8b
ld1 {v20.8b}, [x0], x1
ld1 {v21.8b}, [x0], x1
SUMSUBL_AB v2.8h, v3.8h, v18.8b, v19.8b
ld1 {v22.8b}, [x0], x1
ld1 {v23.8b}, [x0], x1
SUMSUBL_AB v4.8h, v5.8h, v20.8b, v21.8b
SUMSUBL_AB v6.8h, v7.8h, v22.8b, v23.8b
SUMSUB_ABCD v16.8h, v18.8h, v17.8h, v19.8h, v0.8h, v2.8h, v1.8h, v3.8h
SUMSUB_ABCD v20.8h, v22.8h, v21.8h, v23.8h, v4.8h, v6.8h, v5.8h, v7.8h
transpose v0.8h, v1.8h, v16.8h, v17.8h
transpose v2.8h, v3.8h, v18.8h, v19.8h
transpose v4.8h, v5.8h, v20.8h, v21.8h
transpose v6.8h, v7.8h, v22.8h, v23.8h
SUMSUB_AB v16.8h, v17.8h, v0.8h, v1.8h
SUMSUB_AB v18.8h, v19.8h, v2.8h, v3.8h
SUMSUB_AB v20.8h, v21.8h, v4.8h, v5.8h
SUMSUB_AB v22.8h, v23.8h, v6.8h, v7.8h
transpose v0.4s, v2.4s, v16.4s, v18.4s
transpose v1.4s, v3.4s, v17.4s, v19.4s
transpose v4.4s, v6.4s, v20.4s, v22.4s
transpose v5.4s, v7.4s, v21.4s, v23.4s
SUMSUB_AB v16.8h, v18.8h, v0.8h, v2.8h
SUMSUB_AB v17.8h, v19.8h, v1.8h, v3.8h
SUMSUB_ABCD v20.8h, v22.8h, v21.8h, v23.8h, v4.8h, v6.8h, v5.8h, v7.8h
abs v0.8h, v16.8h
abs v4.8h, v20.8h
abs v1.8h, v17.8h
abs v5.8h, v21.8h
abs v2.8h, v18.8h
abs v6.8h, v22.8h
abs v3.8h, v19.8h
abs v7.8h, v23.8h
add v0.8h, v0.8h, v4.8h
add v1.8h, v1.8h, v5.8h
and v0.16b, v0.16b, v30.16b
add v2.8h, v2.8h, v6.8h
add v3.8h, v3.8h, v7.8h
add v0.8h, v0.8h, v2.8h
add v1.8h, v1.8h, v3.8h
uadalp v28.4s, v0.8h
uadalp v28.4s, v1.8h
SUMSUB_AB v6.8h, v7.8h, v23.8h, v19.8h
SUMSUB_AB v4.8h, v5.8h, v22.8h, v18.8h
SUMSUB_AB v2.8h, v3.8h, v21.8h, v17.8h
SUMSUB_AB v1.8h, v0.8h, v16.8h, v20.8h
transpose v16.2d, v17.2d, v6.2d, v7.2d
transpose v18.2d, v19.2d, v4.2d, v5.2d
transpose v20.2d, v21.2d, v2.2d, v3.2d
abs v16.8h, v16.8h
abs v17.8h, v17.8h
abs v18.8h, v18.8h
abs v19.8h, v19.8h
abs v20.8h, v20.8h
abs v21.8h, v21.8h
transpose v7.2d, v6.2d, v1.2d, v0.2d
umax v3.8h, v16.8h, v17.8h
umax v2.8h, v18.8h, v19.8h
umax v1.8h, v20.8h, v21.8h
SUMSUB_AB v4.8h, v5.8h, v7.8h, v6.8h
add v2.8h, v2.8h, v3.8h
add v2.8h, v2.8h, v1.8h
and v4.16b, v4.16b, v31.16b
add v2.8h, v2.8h, v2.8h
abs v5.8h, v5.8h
abs v4.8h, v4.8h
add v2.8h, v2.8h, v5.8h
add v2.8h, v2.8h, v4.8h
uadalp v29.4s, v2.8h
ret
endfunc
function pixel_ssim_4x4x2_core_neon, export=1
ld1 {v0.8b}, [x0], x1
ld1 {v2.8b}, [x2], x3
umull v16.8h, v0.8b, v0.8b
umull v17.8h, v0.8b, v2.8b
umull v18.8h, v2.8b, v2.8b
ld1 {v28.8b}, [x0], x1
ld1 {v29.8b}, [x2], x3
umull v20.8h, v28.8b, v28.8b
umull v21.8h, v28.8b, v29.8b
umull v22.8h, v29.8b, v29.8b
uaddlp v16.4s, v16.8h
uaddlp v17.4s, v17.8h
uaddl v0.8h, v0.8b, v28.8b
uadalp v16.4s, v18.8h
uaddl v1.8h, v2.8b, v29.8b
ld1 {v26.8b}, [x0], x1
ld1 {v27.8b}, [x2], x3
umull v23.8h, v26.8b, v26.8b
umull v24.8h, v26.8b, v27.8b
umull v25.8h, v27.8b, v27.8b
uadalp v16.4s, v20.8h
uaddw v0.8h, v0.8h, v26.8b
uadalp v17.4s, v21.8h
uaddw v1.8h, v1.8h, v27.8b
uadalp v16.4s, v22.8h
ld1 {v28.8b}, [x0], x1
ld1 {v29.8b}, [x2], x3
umull v20.8h, v28.8b, v28.8b
umull v21.8h, v28.8b, v29.8b
umull v22.8h, v29.8b, v29.8b
uadalp v16.4s, v23.8h
uaddw v0.8h, v0.8h, v28.8b
uadalp v17.4s, v24.8h
uaddw v1.8h, v1.8h, v29.8b
uadalp v16.4s, v25.8h
uadalp v16.4s, v20.8h
uadalp v17.4s, v21.8h
uadalp v16.4s, v22.8h
uaddlp v0.4s, v0.8h
uaddlp v1.4s, v1.8h
addp v0.4s, v0.4s, v0.4s
addp v1.4s, v1.4s, v1.4s
addp v2.4s, v16.4s, v16.4s
addp v3.4s, v17.4s, v17.4s
st4 {v0.2s,v1.2s,v2.2s,v3.2s}, [x4]
ret
endfunc
function pixel_ssim_end4_neon, export=1
mov x5, #4
ld1 {v16.4s,v17.4s}, [x0], #32
ld1 {v18.4s,v19.4s}, [x1], #32
mov w4, #0x99bb
subs x2, x5, w2, uxtw
mov w3, #416 // ssim_c1 = .01*.01*255*255*64
movk w4, #0x03, lsl #16 // ssim_c2 = .03*.03*255*255*64*63
add v0.4s, v16.4s, v18.4s
add v1.4s, v17.4s, v19.4s
add v0.4s, v0.4s, v1.4s
ld1 {v20.4s,v21.4s}, [x0], #32
ld1 {v22.4s,v23.4s}, [x1], #32
add v2.4s, v20.4s, v22.4s
add v3.4s, v21.4s, v23.4s
add v1.4s, v1.4s, v2.4s
ld1 {v16.4s}, [x0], #16
ld1 {v18.4s}, [x1], #16
add v16.4s, v16.4s, v18.4s
add v2.4s, v2.4s, v3.4s
add v3.4s, v3.4s, v16.4s
dup v30.4s, w3
dup v31.4s, w4
transpose v4.4s, v5.4s, v0.4s, v1.4s
transpose v6.4s, v7.4s, v2.4s, v3.4s
transpose v0.2d, v2.2d, v4.2d, v6.2d
transpose v1.2d, v3.2d, v5.2d, v7.2d
mul v16.4s, v0.4s, v1.4s // s1*s2
mul v0.4s, v0.4s, v0.4s
mla v0.4s, v1.4s, v1.4s // s1*s1 + s2*s2
shl v3.4s, v3.4s, #7
shl v2.4s, v2.4s, #6
add v1.4s, v16.4s, v16.4s
sub v2.4s, v2.4s, v0.4s // vars
sub v3.4s, v3.4s, v1.4s // covar*2
add v0.4s, v0.4s, v30.4s
add v2.4s, v2.4s, v31.4s
add v1.4s, v1.4s, v30.4s
add v3.4s, v3.4s, v31.4s
scvtf v0.4s, v0.4s
scvtf v2.4s, v2.4s
scvtf v1.4s, v1.4s
scvtf v3.4s, v3.4s
fmul v0.4s, v0.4s, v2.4s
fmul v1.4s, v1.4s, v3.4s
fdiv v0.4s, v1.4s, v0.4s
b.eq 1f
movrel x3, mask
add x3, x3, x2, lsl #2
ld1 {v29.4s}, [x3]
and v0.16b, v0.16b, v29.16b
1:
faddp v0.4s, v0.4s, v0.4s
faddp s0, v0.2s
ret
endfunc
#else /* BIT_DEPTH == 8 */
.macro SAD_START_4
lsl x1, x1, #1
lsl x3, x3, #1
ld1 {v1.d}[0], [x2], x3
ld1 {v0.d}[0], [x0], x1
ld1 {v1.d}[1], [x2], x3
ld1 {v0.d}[1], [x0], x1
uabdl v16.4s, v0.4h, v1.4h
uabdl2 v18.4s, v0.8h, v1.8h
.endm
.macro SAD_4
ld1 {v1.d}[0], [x2], x3
ld1 {v0.d}[0], [x0], x1
ld1 {v1.d}[1], [x2], x3
ld1 {v0.d}[1], [x0], x1
uabal v16.4s, v0.4h, v1.4h
uabal2 v18.4s, v0.8h, v1.8h
.endm
.macro SAD_START_8
lsl x1, x1, #1
lsl x3, x3, #1
ld1 {v1.8h}, [x2], x3
ld1 {v0.8h}, [x0], x1
ld1 {v3.8h}, [x2], x3
ld1 {v2.8h}, [x0], x1
uabdl v16.4s, v0.4h, v1.4h
uabdl2 v17.4s, v0.8h, v1.8h
uabdl v18.4s, v2.4h, v3.4h
uabdl2 v19.4s, v2.8h, v3.8h
.endm
.macro SAD_8
ld1 {v1.8h}, [x2], x3
ld1 {v0.8h}, [x0], x1
ld1 {v3.8h}, [x2], x3
ld1 {v2.8h}, [x0], x1
uabal v16.4s, v0.4h, v1.4h
uabal2 v17.4s, v0.8h, v1.8h
uabal v18.4s, v2.4h, v3.4h
uabal2 v19.4s, v2.8h, v3.8h
.endm
.macro SAD_START_16
lsl x1, x1, #1
lsl x3, x3, #1
ld2 {v0.8h, v1.8h}, [x2], x3
ld2 {v2.8h, v3.8h}, [x0], x1
ld2 {v4.8h, v5.8h}, [x2], x3
ld2 {v6.8h, v7.8h}, [x0], x1
uabdl v16.4s, v0.4h, v2.4h
uabdl2 v17.4s, v0.8h, v2.8h
uabdl v20.4s, v1.4h, v3.4h
uabdl2 v21.4s, v1.8h, v3.8h
uabdl v18.4s, v4.4h, v6.4h
uabdl2 v19.4s, v4.8h, v6.8h
uabdl v22.4s, v5.4h, v7.4h
uabdl2 v23.4s, v5.8h, v7.8h
.endm
.macro SAD_16
ld2 {v0.8h, v1.8h}, [x2], x3
ld2 {v2.8h, v3.8h}, [x0], x1
ld2 {v4.8h, v5.8h}, [x2], x3
ld2 {v6.8h, v7.8h}, [x0], x1
uabal v16.4s, v0.4h, v2.4h
uabal2 v17.4s, v0.8h, v2.8h
uabal v20.4s, v1.4h, v3.4h
uabal2 v21.4s, v1.8h, v3.8h
uabal v18.4s, v4.4h, v6.4h
uabal2 v19.4s, v4.8h, v6.8h
uabal v22.4s, v5.4h, v7.4h
uabal2 v23.4s, v5.8h, v7.8h
.endm
.macro SAD_FUNC w, h, name
function pixel_sad\name\()_\w\()x\h\()_neon, export=1
SAD_START_\w
.rept \h / 2 - 1
SAD_\w
.endr
.if \w > 8
add v20.4s, v20.4s, v21.4s
add v16.4s, v16.4s, v20.4s
add v22.4s, v22.4s, v23.4s
add v18.4s, v18.4s, v22.4s
.endif
.if \w > 4
add v16.4s, v16.4s, v17.4s
add v18.4s, v18.4s, v19.4s
.endif
add v16.4s, v16.4s, v18.4s
uaddlv s0, v16.8h
fmov w0, s0
ret
endfunc
.endm
.macro SAD_X_4 x, first=uaba
ld1 {v0.d}[0], [x0], x7
ld1 {v1.d}[0], [x1], x5
ld1 {v0.d}[1], [x0], x7
ld1 {v1.d}[1], [x1], x5
ld1 {v2.d}[0], [x2], x5
ld1 {v2.d}[1], [x2], x5
\first v16.8h, v1.8h, v0.8h
ld1 {v3.d}[0], [x3], x5
ld1 {v3.d}[1], [x3], x5
\first v17.8h, v2.8h, v0.8h
.if \x == 4
ld1 {v4.d}[0], [x4], x5
ld1 {v4.d}[1], [x4], x5
.endif
\first v18.8h, v3.8h, v0.8h
.if \x == 4
\first v19.8h, v4.8h, v0.8h
.endif
.endm
.macro SAD_X_8 x, first=uaba
ld1 {v0.8h}, [x0], x7
ld1 {v1.8h}, [x1], x5
\first v16.8h, v1.8h, v0.8h
ld1 {v2.8h}, [x2], x5
ld1 {v3.8h}, [x3], x5
\first v17.8h, v2.8h, v0.8h
ld1 {v5.8h}, [x0], x7
ld1 {v1.8h}, [x1], x5
\first v18.8h, v3.8h, v0.8h
ld1 {v2.8h}, [x2], x5
uaba v16.8h, v1.8h, v5.8h
ld1 {v3.8h}, [x3], x5
uaba v17.8h, v2.8h, v5.8h
.if \x == 4
ld1 {v4.8h}, [x4], x5
ld1 {v1.8h}, [x4], x5
.endif
uaba v18.8h, v3.8h, v5.8h
.if \x == 4
\first v19.8h, v4.8h, v0.8h
uaba v19.8h, v1.8h, v5.8h
.endif
.endm
.macro SAD_X_16 x, first=uaba
ld1 {v0.8h, v1.8h}, [x0], x7
ld1 {v2.8h, v3.8h}, [x1], x5
ld1 {v4.8h, v5.8h}, [x2], x5
\first v16.8h, v2.8h, v0.8h
\first v20.8h, v3.8h, v1.8h
ld1 {v24.8h, v25.8h}, [x3], x5
\first v17.8h, v4.8h, v0.8h
\first v21.8h, v5.8h, v1.8h
ld1 {v6.8h, v7.8h}, [x0], x7
ld1 {v2.8h, v3.8h}, [x1], x5
\first v18.8h, v24.8h, v0.8h
\first v22.8h, v25.8h, v1.8h
ld1 {v4.8h, v5.8h}, [x2], x5
uaba v16.8h, v2.8h, v6.8h
uaba v20.8h, v3.8h, v7.8h
ld1 {v24.8h, v25.8h}, [x3], x5
uaba v17.8h, v4.8h, v6.8h
uaba v21.8h, v5.8h, v7.8h
.if \x == 4
ld1 {v26.8h, v27.8h}, [x4], x5
ld1 {v28.8h, v29.8h}, [x4], x5
.endif
uaba v18.8h, v24.8h, v6.8h
uaba v22.8h, v25.8h, v7.8h
.if \x == 4
\first v19.8h, v26.8h, v0.8h
\first v23.8h, v27.8h, v1.8h
uaba v19.8h, v28.8h, v6.8h
uaba v23.8h, v29.8h, v7.8h
.endif
.endm
.macro SAD_X_FUNC x, w, h
function pixel_sad_x\x\()_\w\()x\h\()_neon, export=1
.if \x == 3
mov x6, x5
mov x5, x4
.endif
mov x7, #FENC_STRIDE
lsl x5, x5, #1
lsl x7, x7, #1
SAD_X_\w \x, uabd
.rept \h / 2 - 1
SAD_X_\w \x
.endr
.if \w > 8
add v16.8h, v16.8h, v20.8h
add v17.8h, v17.8h, v21.8h
add v18.8h, v18.8h, v22.8h
.if \x == 4
add v19.8h, v19.8h, v23.8h
.endif
.endif
// add up the sads
uaddlv s0, v16.8h
uaddlv s1, v17.8h
uaddlv s2, v18.8h
stp s0, s1, [x6], #8
.if \x == 3
str s2, [x6]
.else
uaddlv s3, v19.8h
stp s2, s3, [x6]
.endif
ret
endfunc
.endm
function pixel_vsad_neon, export=1
subs w2, w2, #2
lsl x1, x1, #1
ld1 {v0.8h, v1.8h}, [x0], x1
ld1 {v2.8h, v3.8h}, [x0], x1
uabd v6.8h, v0.8h, v2.8h
uabd v7.8h, v1.8h, v3.8h
b.le 2f
1:
subs w2, w2, #2
ld1 {v0.8h, v1.8h}, [x0], x1
uaba v6.8h, v2.8h, v0.8h
uaba v7.8h, v3.8h, v1.8h
ld1 {v2.8h, v3.8h}, [x0], x1
b.lt 2f
uaba v6.8h, v0.8h, v2.8h
uaba v7.8h, v1.8h, v3.8h
b.gt 1b
2:
add v5.8h, v6.8h, v7.8h
uaddlv s0, v5.8h
fmov w0, s0
ret
endfunc
function pixel_asd8_neon, export=1
sub w4, w4, #2
lsl x1, x1, #1
lsl x3, x3, #1
ld1 {v0.8h}, [x0], x1
ld1 {v1.8h}, [x2], x3
ld1 {v2.8h}, [x0], x1
ld1 {v3.8h}, [x2], x3
sub v16.8h, v0.8h, v1.8h
1:
subs w4, w4, #2
ld1 {v4.8h}, [x0], x1
ld1 {v5.8h}, [x2], x3
sub v17.8h, v2.8h, v3.8h
sub v18.8h, v4.8h, v5.8h
add v16.8h, v16.8h, v17.8h
ld1 {v2.8h}, [x0], x1
ld1 {v3.8h}, [x2], x3
add v16.8h, v16.8h, v18.8h
b.gt 1b
sub v17.8h, v2.8h, v3.8h
add v16.8h, v16.8h, v17.8h
saddlv s0, v16.8h
abs v0.4s, v0.4s
fmov w0, s0
ret
endfunc
.macro SSD_START_4
ld1 {v16.d}[0], [x0], x1
ld1 {v17.d}[0], [x2], x3
sub v2.4h, v16.4h, v17.4h
ld1 {v16.d}[0], [x0], x1
ld1 {v17.d}[0], [x2], x3
smull v0.4s, v2.4h, v2.4h
.endm
.macro SSD_4
sub v2.4h, v16.4h, v17.4h
ld1 {v16.d}[0], [x0], x1
ld1 {v17.d}[0], [x2], x3
smlal v0.4s, v2.4h, v2.4h
.endm
.macro SSD_END_4
sub v2.4h, v16.4h, v17.4h
smlal v0.4s, v2.4h, v2.4h
.endm
.macro SSD_START_8
ld1 {v16.8h}, [x0], x1
ld1 {v17.8h}, [x2], x3
sub v2.8h, v16.8h, v17.8h
ld1 {v16.8h}, [x0], x1
ld1 {v17.8h}, [x2], x3
smull v0.4s, v2.4h, v2.4h
smull2 v20.4s, v2.8h, v2.8h
.endm
.macro SSD_8
sub v2.8h, v16.8h, v17.8h
ld1 {v16.8h}, [x0], x1
ld1 {v17.8h}, [x2], x3
smlal v0.4s, v2.4h, v2.4h
smlal2 v20.4s, v2.8h, v2.8h
.endm
.macro SSD_END_8
sub v2.8h, v16.8h, v17.8h
smlal v0.4s, v2.4h, v2.4h
smlal2 v20.4s, v2.8h, v2.8h
add v0.4s, v0.4s, v20.4s
.endm
.macro SSD_START_16
ld1 {v16.8h, v17.8h}, [x0], x1
ld1 {v18.8h, v19.8h}, [x2], x3
sub v2.8h, v16.8h, v18.8h
sub v3.8h, v17.8h, v19.8h
ld1 {v16.8h, v17.8h}, [x0], x1
smull v0.4s, v2.4h, v2.4h
smull2 v20.4s, v2.8h, v2.8h
ld1 {v18.8h, v19.8h}, [x2], x3
smlal v0.4s, v3.4h, v3.4h
smlal2 v20.4s, v3.8h, v3.8h
.endm
.macro SSD_16
sub v2.8h, v16.8h, v18.8h
sub v3.8h, v17.8h, v19.8h
ld1 {v16.8h, v17.8h}, [x0], x1
smlal v0.4s, v2.4h, v2.4h
smlal2 v20.4s, v2.8h, v2.8h
ld1 {v18.8h, v19.8h}, [x2], x3
smlal v0.4s, v3.4h, v3.4h
smlal2 v20.4s, v3.8h, v3.8h
.endm
.macro SSD_END_16
sub v2.8h, v16.8h, v18.8h
sub v3.8h, v17.8h, v19.8h
smlal v0.4s, v2.4h, v2.4h
smlal2 v20.4s, v2.8h, v2.8h
smlal v0.4s, v3.4h, v3.4h
smlal2 v20.4s, v3.8h, v3.8h
add v0.4s, v0.4s, v20.4s
.endm
.macro SSD_FUNC w h
function pixel_ssd_\w\()x\h\()_neon, export=1
lsl x1, x1, #1
lsl x3, x3, #1
SSD_START_\w
.rept \h-2
SSD_\w
.endr
SSD_END_\w
addv s0, v0.4s
fmov w0, s0
ret
endfunc
.endm
function pixel_satd_4x4_neon, export=1
lsl x1, x1, #1
lsl x3, x3, #1
ld1 {v1.d}[0], [x2], x3
ld1 {v0.d}[0], [x0], x1
ld1 {v3.d}[0], [x2], x3
ld1 {v2.d}[0], [x0], x1
ld1 {v1.d}[1], [x2], x3
ld1 {v0.d}[1], [x0], x1
ld1 {v3.d}[1], [x2], x3
ld1 {v2.d}[1], [x0], x1
sub v0.8h, v0.8h, v1.8h
sub v1.8h, v2.8h, v3.8h
SUMSUB_AB v2.8h, v3.8h, v0.8h, v1.8h
zip1 v0.2d, v2.2d, v3.2d
zip2 v1.2d, v2.2d, v3.2d
SUMSUB_AB v2.8h, v3.8h, v0.8h, v1.8h
trn1 v0.8h, v2.8h, v3.8h
trn2 v1.8h, v2.8h, v3.8h
SUMSUB_AB v2.8h, v3.8h, v0.8h, v1.8h
trn1 v0.4s, v2.4s, v3.4s
trn2 v1.4s, v2.4s, v3.4s
abs v0.8h, v0.8h
abs v1.8h, v1.8h
umax v0.8h, v0.8h, v1.8h
uaddlv s0, v0.8h
fmov w0, s0
ret
endfunc
function pixel_satd_4x8_neon, export=1
lsl x1, x1, #1
lsl x3, x3, #1
ld1 {v1.d}[0], [x2], x3
ld1 {v0.d}[0], [x0], x1
ld1 {v3.d}[0], [x2], x3
ld1 {v2.d}[0], [x0], x1
ld1 {v5.d}[0], [x2], x3
ld1 {v4.d}[0], [x0], x1
ld1 {v7.d}[0], [x2], x3
ld1 {v6.d}[0], [x0], x1
ld1 {v1.d}[1], [x2], x3
ld1 {v0.d}[1], [x0], x1
ld1 {v3.d}[1], [x2], x3
ld1 {v2.d}[1], [x0], x1
ld1 {v5.d}[1], [x2], x3
ld1 {v4.d}[1], [x0], x1
ld1 {v7.d}[1], [x2], x3
ld1 {v6.d}[1], [x0], x1
b satd_4x8_8x4_end_neon
endfunc
function pixel_satd_8x4_neon, export=1
lsl x1, x1, #1
lsl x3, x3, #1
ld1 {v1.8h}, [x2], x3
ld1 {v0.8h}, [x0], x1
ld1 {v3.8h}, [x2], x3
ld1 {v2.8h}, [x0], x1
ld1 {v5.8h}, [x2], x3
ld1 {v4.8h}, [x0], x1
ld1 {v7.8h}, [x2], x3
ld1 {v6.8h}, [x0], x1
endfunc
function satd_4x8_8x4_end_neon
sub v0.8h, v0.8h, v1.8h
sub v1.8h, v2.8h, v3.8h
sub v2.8h, v4.8h, v5.8h
sub v3.8h, v6.8h, v7.8h
SUMSUB_AB v16.8h, v17.8h, v0.8h, v1.8h
SUMSUB_AB v18.8h, v19.8h, v2.8h, v3.8h
SUMSUB_AB v4.8h, v6.8h, v16.8h, v18.8h
SUMSUB_AB v5.8h, v7.8h, v17.8h, v19.8h
trn1 v0.8h, v4.8h, v5.8h
trn2 v1.8h, v4.8h, v5.8h
trn1 v2.8h, v6.8h, v7.8h
trn2 v3.8h, v6.8h, v7.8h
SUMSUB_AB v16.8h, v17.8h, v0.8h, v1.8h
SUMSUB_AB v18.8h, v19.8h, v2.8h, v3.8h
trn1 v0.4s, v16.4s, v18.4s
trn2 v1.4s, v16.4s, v18.4s
trn1 v2.4s, v17.4s, v19.4s
trn2 v3.4s, v17.4s, v19.4s
abs v0.8h, v0.8h
abs v1.8h, v1.8h
abs v2.8h, v2.8h
abs v3.8h, v3.8h
umax v0.8h, v0.8h, v1.8h
umax v1.8h, v2.8h, v3.8h
add v0.8h, v0.8h, v1.8h
uaddlv s0, v0.8h
mov w0, v0.s[0]
ret
endfunc
function pixel_satd_4x16_neon, export=1
mov x4, x30
lsl x1, x1, #1
lsl x3, x3, #1
ld1 {v1.d}[0], [x2], x3
ld1 {v0.d}[0], [x0], x1
ld1 {v3.d}[0], [x2], x3
ld1 {v2.d}[0], [x0], x1
ld1 {v5.d}[0], [x2], x3
ld1 {v4.d}[0], [x0], x1
ld1 {v7.d}[0], [x2], x3
ld1 {v6.d}[0], [x0], x1
ld1 {v1.d}[1], [x2], x3
ld1 {v0.d}[1], [x0], x1
ld1 {v3.d}[1], [x2], x3
ld1 {v2.d}[1], [x0], x1
ld1 {v5.d}[1], [x2], x3
ld1 {v4.d}[1], [x0], x1
ld1 {v7.d}[1], [x2], x3
ld1 {v6.d}[1], [x0], x1
sub v16.8h, v0.8h, v1.8h
sub v17.8h, v2.8h, v3.8h
sub v18.8h, v4.8h, v5.8h
sub v19.8h, v6.8h, v7.8h
ld1 {v1.d}[0], [x2], x3
ld1 {v0.d}[0], [x0], x1
ld1 {v3.d}[0], [x2], x3
ld1 {v2.d}[0], [x0], x1
ld1 {v5.d}[0], [x2], x3
ld1 {v4.d}[0], [x0], x1
ld1 {v7.d}[0], [x2], x3
ld1 {v6.d}[0], [x0], x1
ld1 {v1.d}[1], [x2], x3
ld1 {v0.d}[1], [x0], x1
ld1 {v3.d}[1], [x2], x3
ld1 {v2.d}[1], [x0], x1
ld1 {v5.d}[1], [x2], x3
ld1 {v4.d}[1], [x0], x1
ld1 {v7.d}[1], [x2], x3
ld1 {v6.d}[1], [x0], x1
sub v20.8h, v0.8h, v1.8h
sub v21.8h, v2.8h, v3.8h
sub v22.8h, v4.8h, v5.8h
sub v23.8h, v6.8h, v7.8h
SUMSUB_AB v0.8h, v1.8h, v16.8h, v17.8h
SUMSUB_AB v2.8h, v3.8h, v18.8h, v19.8h
bl satd_8x4v_8x8h_neon
add v30.8h, v0.8h, v1.8h
add v31.8h, v2.8h, v3.8h
add v0.8h, v30.8h, v31.8h
uaddlv s0, v0.8h
fmov w0, s0
ret x4
endfunc
.macro load_diff_fly_8x8
ld1 {v1.8h}, [x2], x3
ld1 {v0.8h}, [x0], x1
ld1 {v3.8h}, [x2], x3
ld1 {v2.8h}, [x0], x1
sub v16.8h, v0.8h, v1.8h
ld1 {v5.8h}, [x2], x3
ld1 {v4.8h}, [x0], x1
sub v17.8h, v2.8h, v3.8h
ld1 {v7.8h}, [x2], x3
ld1 {v6.8h}, [x0], x1
sub v18.8h, v4.8h, v5.8h
ld1 {v1.8h}, [x2], x3
ld1 {v0.8h}, [x0], x1
sub v19.8h, v6.8h, v7.8h
ld1 {v3.8h}, [x2], x3
ld1 {v2.8h}, [x0], x1
sub v20.8h, v0.8h, v1.8h
ld1 {v5.8h}, [x2], x3
ld1 {v4.8h}, [x0], x1
sub v21.8h, v2.8h, v3.8h
ld1 {v7.8h}, [x2], x3
ld1 {v6.8h}, [x0], x1
SUMSUB_AB v0.8h, v1.8h, v16.8h, v17.8h
SUMSUB_AB v2.8h, v3.8h, v18.8h, v19.8h
sub v22.8h, v4.8h, v5.8h
sub v23.8h, v6.8h, v7.8h
.endm
function pixel_satd_8x8_neon, export=1
mov x4, x30
lsl x1, x1, #1
lsl x3, x3, #1
bl satd_8x8_neon
add v0.8h, v0.8h, v1.8h
add v1.8h, v2.8h, v3.8h
add v0.8h, v0.8h, v1.8h
uaddlv s0, v0.8h
mov w0, v0.s[0]
ret x4
endfunc
function pixel_satd_8x16_neon, export=1
mov x4, x30
lsl x1, x1, #1
lsl x3, x3, #1
bl satd_8x8_neon
add v0.8h, v0.8h, v1.8h
add v1.8h, v2.8h, v3.8h
add v30.8h, v0.8h, v1.8h
bl satd_8x8_neon
add v0.8h, v0.8h, v1.8h
add v1.8h, v2.8h, v3.8h
add v31.8h, v0.8h, v1.8h
add v0.8h, v30.8h, v31.8h
uaddlv s0, v0.8h
mov w0, v0.s[0]
ret x4
endfunc
function satd_8x8_neon
load_diff_fly_8x8
endfunc
// one vertical hadamard pass and two horizontal
function satd_8x4v_8x8h_neon
SUMSUB_AB v16.8h, v18.8h, v0.8h, v2.8h
SUMSUB_AB v17.8h, v19.8h, v1.8h, v3.8h
HADAMARD4_V v20.8h, v21.8h, v22.8h, v23.8h, v0.8h, v1.8h, v2.8h, v3.8h
transpose v0.8h, v1.8h, v16.8h, v17.8h
transpose v2.8h, v3.8h, v18.8h, v19.8h
transpose v4.8h, v5.8h, v20.8h, v21.8h
transpose v6.8h, v7.8h, v22.8h, v23.8h
SUMSUB_AB v16.8h, v17.8h, v0.8h, v1.8h
SUMSUB_AB v18.8h, v19.8h, v2.8h, v3.8h
SUMSUB_AB v20.8h, v21.8h, v4.8h, v5.8h
SUMSUB_AB v22.8h, v23.8h, v6.8h, v7.8h
transpose v0.4s, v2.4s, v16.4s, v18.4s
transpose v1.4s, v3.4s, v17.4s, v19.4s
transpose v4.4s, v6.4s, v20.4s, v22.4s
transpose v5.4s, v7.4s, v21.4s, v23.4s
abs v0.8h, v0.8h
abs v1.8h, v1.8h
abs v2.8h, v2.8h
abs v3.8h, v3.8h
abs v4.8h, v4.8h
abs v5.8h, v5.8h
abs v6.8h, v6.8h
abs v7.8h, v7.8h
umax v0.8h, v0.8h, v2.8h
umax v1.8h, v1.8h, v3.8h
umax v2.8h, v4.8h, v6.8h
umax v3.8h, v5.8h, v7.8h
ret
endfunc
function pixel_ssd_nv12_core_neon, export=1
sxtw x8, w4
add x8, x8, #8
and x8, x8, #~15
movi v6.2d, #0
movi v7.2d, #0
sub x1, x1, x8, lsl #1
sub x3, x3, x8, lsl #1
lsl x1, x1, #1
lsl x3, x3, #1
lsl x4, x4, #1
1:
subs w8, w4, #32
ld2 {v0.8h, v1.8h}, [x0], #32
ld2 {v2.8h, v3.8h}, [x2], #32
ld2 {v24.8h, v25.8h}, [x0], #32
ld2 {v26.8h, v27.8h}, [x2], #32
sub v16.8h, v0.8h, v2.8h
sub v17.8h, v1.8h, v3.8h
smull v20.4s, v16.4h, v16.4h
smull v21.4s, v17.4h, v17.4h
sub v18.8h, v24.8h, v26.8h
sub v19.8h, v25.8h, v27.8h
smlal2 v20.4s, v16.8h, v16.8h
smlal2 v21.4s, v17.8h, v17.8h
b.lt 4f
b.eq 3f
2:
smlal v20.4s, v18.4h, v18.4h
smlal v21.4s, v19.4h, v19.4h
ld2 {v0.8h, v1.8h}, [x0], #32
ld2 {v2.8h, v3.8h}, [x2], #32
smlal2 v20.4s, v18.8h, v18.8h
smlal2 v21.4s, v19.8h, v19.8h
subs w8, w8, #32
sub v16.8h, v0.8h, v2.8h
sub v17.8h, v1.8h, v3.8h
smlal v20.4s, v16.4h, v16.4h
smlal v21.4s, v17.4h, v17.4h
ld2 {v24.8h,v25.8h}, [x0], #32
ld2 {v26.8h,v27.8h}, [x2], #32
smlal2 v20.4s, v16.8h, v16.8h
smlal2 v21.4s, v17.8h, v17.8h
b.lt 4f
sub v18.8h, v24.8h, v26.8h
sub v19.8h, v25.8h, v27.8h
b.gt 2b
3:
smlal v20.4s, v18.4h, v18.4h
smlal v21.4s, v19.4h, v19.4h
smlal2 v20.4s, v18.8h, v18.8h
smlal2 v21.4s, v19.8h, v19.8h
4:
subs w5, w5, #1
uaddw v6.2d, v6.2d, v20.2s
uaddw v7.2d, v7.2d, v21.2s
add x0, x0, x1
add x2, x2, x3
uaddw2 v6.2d, v6.2d, v20.4s
uaddw2 v7.2d, v7.2d, v21.4s
b.gt 1b
addp v6.2d, v6.2d, v7.2d
st1 {v6.d}[0], [x6]
st1 {v6.d}[1], [x7]
ret
endfunc
.macro pixel_var_8 h
function pixel_var_8x\h\()_neon, export=1
lsl x1, x1, #1
ld1 {v16.8h}, [x0], x1
ld1 {v17.8h}, [x0], x1
mov x2, \h - 4
umull v1.4s, v16.4h, v16.4h
umull2 v30.4s, v16.8h, v16.8h
mov v0.16b, v16.16b
umull v2.4s, v17.4h, v17.4h
umull2 v31.4s, v17.8h, v17.8h
add v0.8h, v0.8h, v17.8h
ld1 {v18.8h}, [x0], x1
ld1 {v19.8h}, [x0], x1
1: subs x2, x2, #4
add v0.8h, v0.8h, v18.8h
umull v24.4s, v18.4h, v18.4h
umull2 v25.4s, v18.8h, v18.8h
ld1 {v20.8h}, [x0], x1
add v0.8h, v0.8h, v19.8h
umull v26.4s, v19.4h, v19.4h
umull2 v27.4s, v19.8h, v19.8h
add v1.4s, v1.4s, v24.4s
add v30.4s, v30.4s, v25.4s
ld1 {v21.8h}, [x0], x1
add v0.8h, v0.8h, v20.8h
umull v28.4s, v20.4h, v20.4h
umull2 v29.4s, v20.8h, v20.8h
add v2.4s, v2.4s, v26.4s
add v31.4s, v31.4s, v27.4s
ld1 {v18.8h}, [x0], x1
add v0.8h, v0.8h, v21.8h
umull v3.4s, v21.4h, v21.4h
umull2 v4.4s, v21.8h, v21.8h
add v1.4s, v1.4s, v28.4s
add v30.4s, v30.4s, v29.4s
ld1 {v19.8h}, [x0], x1
add v2.4s, v2.4s, v3.4s
add v31.4s, v31.4s, v4.4s
b.gt 1b
add v0.8h, v0.8h, v18.8h
umull v24.4s, v18.4h, v18.4h
umull2 v25.4s, v18.8h, v18.8h
add v0.8h, v0.8h, v19.8h
umull v26.4s, v19.4h, v19.4h
umull2 v27.4s, v19.8h, v19.8h
add v1.4s, v1.4s, v24.4s
add v30.4s, v30.4s, v25.4s
add v2.4s, v2.4s, v26.4s
add v31.4s, v31.4s, v27.4s
b var_end
endfunc
.endm
function pixel_var_16x16_neon, export=1
lsl x1, x1, #1
ld1 {v16.8h, v17.8h}, [x0], x1
ld1 {v18.8h, v19.8h}, [x0], x1
mov x2, #14
umull v1.4s, v16.4h, v16.4h
umull2 v30.4s, v16.8h, v16.8h
add v0.8h, v16.8h, v17.8h
umull v2.4s, v17.4h, v17.4h
umull2 v31.4s, v17.8h, v17.8h
1: subs x2, x2, #2
ld1 {v20.8h, v21.8h}, [x0], x1
add v0.8h, v0.8h, v18.8h
umlal v1.4s, v18.4h, v18.4h
umlal2 v30.4s, v18.8h, v18.8h
umlal v2.4s, v19.4h, v19.4h
umlal2 v31.4s, v19.8h, v19.8h
add v0.8h, v0.8h, v19.8h
ld1 {v18.8h, v19.8h}, [x0], x1
add v0.8h, v0.8h, v20.8h
umlal v1.4s, v20.4h, v20.4h
umlal2 v30.4s, v20.8h, v20.8h
umlal v2.4s, v21.4h, v21.4h
umlal2 v31.4s, v21.8h, v21.8h
add v0.8h, v0.8h, v21.8h
b.gt 1b
add v0.8h, v0.8h, v18.8h
umlal v1.4s, v18.4h, v18.4h
umlal2 v30.4s, v18.8h, v18.8h
umlal v2.4s, v19.4h, v19.4h
umlal2 v31.4s, v19.8h, v19.8h
add v0.8h, v0.8h, v19.8h
endfunc
function var_end
add v1.4s, v1.4s, v2.4s
add v30.4s, v30.4s, v31.4s
add v1.4s, v1.4s, v30.4s
uaddlv s0, v0.8h
uaddlv d1, v1.4s
mov w0, v0.s[0]
mov x1, v1.d[0]
orr x0, x0, x1, lsl #32
ret
endfunc
.macro pixel_var2_8 h
function pixel_var2_8x\h\()_neon, export=1
mov x3, #32
ld1 {v16.8h}, [x0], #16
ld1 {v18.8h}, [x1], x3
ld1 {v17.8h}, [x0], #16
ld1 {v19.8h}, [x1], x3
mov x5, \h - 2
sub v0.8h, v16.8h, v18.8h
sub v1.8h, v17.8h, v19.8h
ld1 {v16.8h}, [x0], #16
ld1 {v18.8h}, [x1], x3
smull v2.4s, v0.4h, v0.4h
smull2 v3.4s, v0.8h, v0.8h
smull v4.4s, v1.4h, v1.4h
smull2 v5.4s, v1.8h, v1.8h
sub v6.8h, v16.8h, v18.8h
1: subs x5, x5, #1
ld1 {v17.8h}, [x0], #16
ld1 {v19.8h}, [x1], x3
smlal v2.4s, v6.4h, v6.4h
smlal2 v3.4s, v6.8h, v6.8h
sub v7.8h, v17.8h, v19.8h
add v0.8h, v0.8h, v6.8h
ld1 {v16.8h}, [x0], #16
ld1 {v18.8h}, [x1], x3
smlal v4.4s, v7.4h, v7.4h
smlal2 v5.4s, v7.8h, v7.8h
sub v6.8h, v16.8h, v18.8h
add v1.8h, v1.8h, v7.8h
b.gt 1b
ld1 {v17.8h}, [x0], #16
ld1 {v19.8h}, [x1], x3
smlal v2.4s, v6.4h, v6.4h
smlal2 v3.4s, v6.8h, v6.8h
sub v7.8h, v17.8h, v19.8h
add v0.8h, v0.8h, v6.8h
smlal v4.4s, v7.4h, v7.4h
add v1.8h, v1.8h, v7.8h
smlal2 v5.4s, v7.8h, v7.8h
saddlv s0, v0.8h
saddlv s1, v1.8h
add v2.4s, v2.4s, v3.4s
add v4.4s, v4.4s, v5.4s
mov w0, v0.s[0]
mov w1, v1.s[0]
addv s2, v2.4s
addv s4, v4.4s
mul w0, w0, w0
mul w1, w1, w1
mov w3, v2.s[0]
mov w4, v4.s[0]
sub w0, w3, w0, lsr # 6 + (\h >> 4)
sub w1, w4, w1, lsr # 6 + (\h >> 4)
str w3, [x2]
add w0, w0, w1
str w4, [x2, #4]
ret
endfunc
.endm
function pixel_satd_16x8_neon, export=1
mov x4, x30
lsl x1, x1, #1
lsl x3, x3, #1
bl satd_16x4_neon
add v30.8h, v0.8h, v1.8h
add v31.8h, v2.8h, v3.8h
bl satd_16x4_neon
add v0.8h, v0.8h, v1.8h
add v1.8h, v2.8h, v3.8h
add v30.8h, v30.8h, v0.8h
add v31.8h, v31.8h, v1.8h
add v0.8h, v30.8h, v31.8h
uaddlv s0, v0.8h
mov w0, v0.s[0]
ret x4
endfunc
function pixel_satd_16x16_neon, export=1
mov x4, x30
lsl x1, x1, #1
lsl x3, x3, #1
bl satd_16x4_neon
uaddl v30.4s, v0.4h, v1.4h
uaddl v31.4s, v2.4h, v3.4h
uaddl2 v28.4s, v0.8h, v1.8h
uaddl2 v29.4s, v2.8h, v3.8h
add v30.4s, v30.4s, v28.4s
add v31.4s, v31.4s, v29.4s
bl satd_16x4_neon
add v0.8h, v0.8h, v1.8h
add v1.8h, v2.8h, v3.8h
uaddw v30.4s, v30.4s, v0.4h
uaddw2 v30.4s, v30.4s, v0.8h
uaddw v31.4s, v31.4s, v1.4h
uaddw2 v31.4s, v31.4s, v1.8h
bl satd_16x4_neon
add v0.8h, v0.8h, v1.8h
add v1.8h, v2.8h, v3.8h
uaddw v30.4s, v30.4s, v0.4h
uaddw2 v30.4s, v30.4s, v0.8h
uaddw v31.4s, v31.4s, v1.4h
uaddw2 v31.4s, v31.4s, v1.8h
bl satd_16x4_neon
add v0.8h, v0.8h, v1.8h
add v1.8h, v2.8h, v3.8h
uaddw v30.4s, v30.4s, v0.4h
uaddw2 v30.4s, v30.4s, v0.8h
uaddw v31.4s, v31.4s, v1.4h
uaddw2 v31.4s, v31.4s, v1.8h
add v0.4s, v30.4s, v31.4s
addv s0, v0.4s
mov w0, v0.s[0]
ret x4
endfunc
function satd_16x4_neon
ld1 {v0.8h, v1.8h}, [x2], x3
ld1 {v2.8h, v3.8h}, [x0], x1
sub v16.8h, v2.8h, v0.8h
sub v20.8h, v3.8h, v1.8h
ld1 {v4.8h, v5.8h}, [x2], x3
ld1 {v6.8h, v7.8h}, [x0], x1
sub v17.8h, v6.8h, v4.8h
sub v21.8h, v7.8h, v5.8h
ld1 {v0.8h, v1.8h}, [x2], x3
ld1 {v2.8h, v3.8h}, [x0], x1
sub v18.8h, v2.8h, v0.8h
sub v22.8h, v3.8h, v1.8h
ld1 {v4.8h, v5.8h}, [x2], x3
ld1 {v6.8h, v7.8h}, [x0], x1
sub v19.8h, v6.8h, v4.8h
sub v23.8h, v7.8h, v5.8h
SUMSUB_AB v0.8h, v1.8h, v16.8h, v17.8h
SUMSUB_AB v2.8h, v3.8h, v18.8h, v19.8h
b satd_8x4v_8x8h_neon
endfunc
function pixel_sa8d_8x8_neon, export=1
mov x4, x30
lsl x1, x1, #1
lsl x3, x3, #1
bl pixel_sa8d_8x8_neon
add v0.8h, v0.8h, v1.8h
uaddlv s0, v0.8h
mov w0, v0.s[0]
add w0, w0, #1
lsr w0, w0, #1
ret x4
endfunc
function pixel_sa8d_16x16_neon, export=1
mov x4, x30
lsl x1, x1, #1
lsl x3, x3, #1
bl pixel_sa8d_8x8_neon
uaddlp v30.4s, v0.8h
uaddlp v31.4s, v1.8h
bl pixel_sa8d_8x8_neon
uadalp v30.4s, v0.8h
uadalp v31.4s, v1.8h
sub x0, x0, x1, lsl #4
sub x2, x2, x3, lsl #4
add x0, x0, #16
add x2, x2, #16
bl pixel_sa8d_8x8_neon
uadalp v30.4s, v0.8h
uadalp v31.4s, v1.8h
bl pixel_sa8d_8x8_neon
uadalp v30.4s, v0.8h
uadalp v31.4s, v1.8h
add v0.4s, v30.4s, v31.4s
addv s0, v0.4s
mov w0, v0.s[0]
add w0, w0, #1
lsr w0, w0, #1
ret x4
endfunc
.macro sa8d_satd_8x8 satd=
function pixel_sa8d_\satd\()8x8_neon
load_diff_fly_8x8
SUMSUB_AB v16.8h, v18.8h, v0.8h, v2.8h
SUMSUB_AB v17.8h, v19.8h, v1.8h, v3.8h
HADAMARD4_V v20.8h, v21.8h, v22.8h, v23.8h, v0.8h, v1.8h, v2.8h, v3.8h
.ifc \satd, satd_
transpose v0.8h, v1.8h, v16.8h, v17.8h
transpose v2.8h, v3.8h, v18.8h, v19.8h
transpose v4.8h, v5.8h, v20.8h, v21.8h
transpose v6.8h, v7.8h, v22.8h, v23.8h
SUMSUB_AB v24.8h, v25.8h, v0.8h, v1.8h
SUMSUB_AB v26.8h, v27.8h, v2.8h, v3.8h
SUMSUB_AB v0.8h, v1.8h, v4.8h, v5.8h
SUMSUB_AB v2.8h, v3.8h, v6.8h, v7.8h
transpose v4.4s, v6.4s, v24.4s, v26.4s
transpose v5.4s, v7.4s, v25.4s, v27.4s
transpose v24.4s, v26.4s, v0.4s, v2.4s
transpose v25.4s, v27.4s, v1.4s, v3.4s
abs v0.8h, v4.8h
abs v1.8h, v5.8h
abs v2.8h, v6.8h
abs v3.8h, v7.8h
abs v4.8h, v24.8h
abs v5.8h, v25.8h
abs v6.8h, v26.8h
abs v7.8h, v27.8h
umax v0.8h, v0.8h, v2.8h
umax v1.8h, v1.8h, v3.8h
umax v2.8h, v4.8h, v6.8h
umax v3.8h, v5.8h, v7.8h
add v26.8h, v0.8h, v1.8h
add v27.8h, v2.8h, v3.8h
.endif
SUMSUB_AB v0.8h, v16.8h, v16.8h, v20.8h
SUMSUB_AB v1.8h, v17.8h, v17.8h, v21.8h
SUMSUB_AB v2.8h, v18.8h, v18.8h, v22.8h
SUMSUB_AB v3.8h, v19.8h, v19.8h, v23.8h
transpose v20.8h, v21.8h, v16.8h, v17.8h
transpose v4.8h, v5.8h, v0.8h, v1.8h
transpose v22.8h, v23.8h, v18.8h, v19.8h
transpose v6.8h, v7.8h, v2.8h, v3.8h
SUMSUB_AB v2.8h, v3.8h, v20.8h, v21.8h
SUMSUB_AB v24.8h, v25.8h, v4.8h, v5.8h
SUMSUB_AB v0.8h, v1.8h, v22.8h, v23.8h
SUMSUB_AB v4.8h, v5.8h, v6.8h, v7.8h
transpose v20.4s, v22.4s, v2.4s, v0.4s
transpose v21.4s, v23.4s, v3.4s, v1.4s
transpose v16.4s, v18.4s, v24.4s, v4.4s
transpose v17.4s, v19.4s, v25.4s, v5.4s
SUMSUB_AB v0.8h, v2.8h, v20.8h, v22.8h
SUMSUB_AB v1.8h, v3.8h, v21.8h, v23.8h
SUMSUB_AB v4.8h, v6.8h, v16.8h, v18.8h
SUMSUB_AB v5.8h, v7.8h, v17.8h, v19.8h
transpose v16.2d, v20.2d, v0.2d, v4.2d
transpose v17.2d, v21.2d, v1.2d, v5.2d
transpose v18.2d, v22.2d, v2.2d, v6.2d
transpose v19.2d, v23.2d, v3.2d, v7.2d
abs v16.8h, v16.8h
abs v20.8h, v20.8h
abs v17.8h, v17.8h
abs v21.8h, v21.8h
abs v18.8h, v18.8h
abs v22.8h, v22.8h
abs v19.8h, v19.8h
abs v23.8h, v23.8h
umax v16.8h, v16.8h, v20.8h
umax v17.8h, v17.8h, v21.8h
umax v18.8h, v18.8h, v22.8h
umax v19.8h, v19.8h, v23.8h
add v0.8h, v16.8h, v17.8h
add v1.8h, v18.8h, v19.8h
ret
endfunc
.endm
function pixel_sa8d_satd_16x16_neon, export=1
mov x4, x30
lsl x1, x1, #1
lsl x3, x3, #1
bl pixel_sa8d_satd_8x8_neon
uaddlp v30.4s, v0.8h
uaddlp v31.4s, v1.8h
uaddlp v28.4s, v26.8h
uaddlp v29.4s, v27.8h
bl pixel_sa8d_satd_8x8_neon
uadalp v30.4s, v0.8h
uadalp v31.4s, v1.8h
uadalp v28.4s, v26.8h
uadalp v29.4s, v27.8h
sub x0, x0, x1, lsl #4
sub x2, x2, x3, lsl #4
add x0, x0, #16
add x2, x2, #16
bl pixel_sa8d_satd_8x8_neon
uadalp v30.4s, v0.8h
uadalp v31.4s, v1.8h
uadalp v28.4s, v26.8h
uadalp v29.4s, v27.8h
bl pixel_sa8d_satd_8x8_neon
uadalp v30.4s, v0.8h
uadalp v31.4s, v1.8h
uadalp v28.4s, v26.8h
uadalp v29.4s, v27.8h
add v0.4s, v30.4s, v31.4s // sa8d
add v1.4s, v28.4s, v29.4s // satd
addv s0, v0.4s
addv s1, v1.4s
urshr v0.4s, v0.4s, #1
fmov w0, s0
fmov w1, s1
add x0, x0, x1, lsl #32
ret x4
endfunc
.macro HADAMARD_AC w h
function pixel_hadamard_ac_\w\()x\h\()_neon, export=1
movrel x5, mask_ac_4_8
mov x4, x30
lsl x1, x1, #1
ld1 {v30.8h,v31.8h}, [x5]
movi v28.16b, #0
movi v29.16b, #0
bl hadamard_ac_8x8_neon
.if \h > 8
bl hadamard_ac_8x8_neon
.endif
.if \w > 8
sub x0, x0, x1, lsl #3
add x0, x0, 16
bl hadamard_ac_8x8_neon
.endif
.if \w * \h == 256
sub x0, x0, x1, lsl #4
bl hadamard_ac_8x8_neon
.endif
addv s1, v29.4s
addv s0, v28.4s
mov w1, v1.s[0]
mov w0, v0.s[0]
lsr w1, w1, #2
lsr w0, w0, #1
orr x0, x0, x1, lsl #32
ret x4
endfunc
.endm
// v28: satd v29: sa8d v30: mask_ac4 v31: mask_ac8
function hadamard_ac_8x8_neon
ld1 {v16.8h}, [x0], x1
ld1 {v17.8h}, [x0], x1
ld1 {v18.8h}, [x0], x1
ld1 {v19.8h}, [x0], x1
SUMSUB_AB v0.8h, v1.8h, v16.8h, v17.8h
ld1 {v20.8h}, [x0], x1
ld1 {v21.8h}, [x0], x1
SUMSUB_AB v2.8h, v3.8h, v18.8h, v19.8h
ld1 {v22.8h}, [x0], x1
ld1 {v23.8h}, [x0], x1
SUMSUB_AB v4.8h, v5.8h, v20.8h, v21.8h
SUMSUB_AB v6.8h, v7.8h, v22.8h, v23.8h
SUMSUB_ABCD v16.8h, v18.8h, v17.8h, v19.8h, v0.8h, v2.8h, v1.8h, v3.8h
SUMSUB_ABCD v20.8h, v22.8h, v21.8h, v23.8h, v4.8h, v6.8h, v5.8h, v7.8h
transpose v0.8h, v1.8h, v16.8h, v17.8h
transpose v2.8h, v3.8h, v18.8h, v19.8h
transpose v4.8h, v5.8h, v20.8h, v21.8h
transpose v6.8h, v7.8h, v22.8h, v23.8h
SUMSUB_AB v16.8h, v17.8h, v0.8h, v1.8h
SUMSUB_AB v18.8h, v19.8h, v2.8h, v3.8h
SUMSUB_AB v20.8h, v21.8h, v4.8h, v5.8h
SUMSUB_AB v22.8h, v23.8h, v6.8h, v7.8h
transpose v0.4s, v2.4s, v16.4s, v18.4s
transpose v1.4s, v3.4s, v17.4s, v19.4s
transpose v4.4s, v6.4s, v20.4s, v22.4s
transpose v5.4s, v7.4s, v21.4s, v23.4s
SUMSUB_AB v16.8h, v18.8h, v0.8h, v2.8h
SUMSUB_AB v17.8h, v19.8h, v1.8h, v3.8h
SUMSUB_ABCD v20.8h, v22.8h, v21.8h, v23.8h, v4.8h, v6.8h, v5.8h, v7.8h
abs v0.8h, v16.8h
abs v4.8h, v20.8h
abs v1.8h, v17.8h
abs v5.8h, v21.8h
abs v2.8h, v18.8h
abs v6.8h, v22.8h
abs v3.8h, v19.8h
abs v7.8h, v23.8h
add v0.8h, v0.8h, v4.8h
add v1.8h, v1.8h, v5.8h
and v0.16b, v0.16b, v30.16b
add v2.8h, v2.8h, v6.8h
add v3.8h, v3.8h, v7.8h
add v0.8h, v0.8h, v2.8h
add v1.8h, v1.8h, v3.8h
uadalp v28.4s, v0.8h
uadalp v28.4s, v1.8h
SUMSUB_AB v6.8h, v7.8h, v23.8h, v19.8h
SUMSUB_AB v4.8h, v5.8h, v22.8h, v18.8h
SUMSUB_AB v2.8h, v3.8h, v21.8h, v17.8h
SUMSUB_AB v1.8h, v0.8h, v16.8h, v20.8h
transpose v16.2d, v17.2d, v6.2d, v7.2d
transpose v18.2d, v19.2d, v4.2d, v5.2d
transpose v20.2d, v21.2d, v2.2d, v3.2d
abs v16.8h, v16.8h
abs v17.8h, v17.8h
abs v18.8h, v18.8h
abs v19.8h, v19.8h
abs v20.8h, v20.8h
abs v21.8h, v21.8h
transpose v7.2d, v6.2d, v1.2d, v0.2d
umax v3.8h, v16.8h, v17.8h
umax v2.8h, v18.8h, v19.8h
umax v1.8h, v20.8h, v21.8h
SUMSUB_AB v4.8h, v5.8h, v7.8h, v6.8h
add v2.8h, v2.8h, v3.8h
add v2.8h, v2.8h, v1.8h
and v4.16b, v4.16b, v31.16b
add v2.8h, v2.8h, v2.8h
abs v5.8h, v5.8h
abs v4.8h, v4.8h
add v2.8h, v2.8h, v5.8h
add v2.8h, v2.8h, v4.8h
uadalp v29.4s, v2.8h
ret
endfunc
function pixel_ssim_4x4x2_core_neon, export=1
lsl x1, x1, #1
lsl x3, x3, #1
ld1 {v0.8h}, [x0], x1
ld1 {v2.8h}, [x2], x3
ld1 {v28.8h}, [x0], x1
ld1 {v29.8h}, [x2], x3
umull v16.4s, v0.4h, v0.4h
umull2 v17.4s, v0.8h, v0.8h
umull v18.4s, v0.4h, v2.4h
umull2 v19.4s, v0.8h, v2.8h
umlal v16.4s, v2.4h, v2.4h
umlal2 v17.4s, v2.8h, v2.8h
ld1 {v26.8h}, [x0], x1
ld1 {v27.8h}, [x2], x3
umlal v16.4s, v28.4h, v28.4h
umlal2 v17.4s, v28.8h, v28.8h
umlal v18.4s, v28.4h, v29.4h
umlal2 v19.4s, v28.8h, v29.8h
umlal v16.4s, v29.4h, v29.4h
umlal2 v17.4s, v29.8h, v29.8h
add v0.8h, v0.8h, v28.8h
add v1.8h, v2.8h, v29.8h
umlal v16.4s, v26.4h, v26.4h
umlal2 v17.4s, v26.8h, v26.8h
umlal v18.4s, v26.4h, v27.4h
umlal2 v19.4s, v26.8h, v27.8h
umlal v16.4s, v27.4h, v27.4h
umlal2 v17.4s, v27.8h, v27.8h
ld1 {v28.8h}, [x0], x1
ld1 {v29.8h}, [x2], x3
add v0.8h, v0.8h, v26.8h
add v1.8h, v1.8h, v27.8h
umlal v16.4s, v28.4h, v28.4h
umlal2 v17.4s, v28.8h, v28.8h
umlal v18.4s, v28.4h, v29.4h
umlal2 v19.4s, v28.8h, v29.8h
umlal v16.4s, v29.4h, v29.4h
umlal2 v17.4s, v29.8h, v29.8h
add v0.8h, v0.8h, v28.8h
add v1.8h, v1.8h, v29.8h
addp v16.4s, v16.4s, v17.4s
addp v17.4s, v18.4s, v19.4s
uaddlp v0.4s, v0.8h
uaddlp v1.4s, v1.8h
addp v0.4s, v0.4s, v0.4s
addp v1.4s, v1.4s, v1.4s
addp v2.4s, v16.4s, v16.4s
addp v3.4s, v17.4s, v17.4s
st4 {v0.2s, v1.2s, v2.2s, v3.2s}, [x4]
ret
endfunc
function pixel_ssim_end4_neon, export=1
mov x5, #4
ld1 {v16.4s, v17.4s}, [x0], #32
ld1 {v18.4s, v19.4s}, [x1], #32
subs x2, x5, w2, uxtw
// These values must be stored in float, since with 10 bit depth edge cases
// may overflow. The hexadecimal values are IEEE-754 representation of the
// floating point numbers.
ldr w3, =0x45d14e49 // ssim_c1 = .01*.01*1023*1023*64
ldr w4, =0x4a67ca32 // ssim_c2 = .03*.03*1023*1023*64*63
add v0.4s, v16.4s, v18.4s
add v1.4s, v17.4s, v19.4s
add v0.4s, v0.4s, v1.4s
ld1 {v20.4s, v21.4s}, [x0], #32
ld1 {v22.4s, v23.4s}, [x1], #32
add v2.4s, v20.4s, v22.4s
add v3.4s, v21.4s, v23.4s
add v1.4s, v1.4s, v2.4s
ld1 {v16.4s}, [x0], #16
ld1 {v18.4s}, [x1], #16
add v16.4s, v16.4s, v18.4s
add v2.4s, v2.4s, v3.4s
add v3.4s, v3.4s, v16.4s
dup v30.4s, w3
dup v31.4s, w4
transpose v4.4s, v5.4s, v0.4s, v1.4s
transpose v6.4s, v7.4s, v2.4s, v3.4s
transpose v0.2d, v2.2d, v4.2d, v6.2d
transpose v1.2d, v3.2d, v5.2d, v7.2d
// Conversion to floating point number must occur earlier than in 8 bit case
// because of the range overflow
scvtf v0.4s, v0.4s
scvtf v2.4s, v2.4s
scvtf v1.4s, v1.4s
scvtf v3.4s, v3.4s
fmul v16.4s, v0.4s, v1.4s // s1*s2
fmul v0.4s, v0.4s, v0.4s
fmla v0.4s, v1.4s, v1.4s // s1*s1 + s2*s2
// IEEE-754 hexadecimal representation of multipliers
ldr w3, =0x42800000 // 64
ldr w4, =0x43000000 // 128
dup v28.4s, w3
dup v29.4s, w4
fmul v2.4s, v2.4s, v28.4s
fmul v3.4s, v3.4s, v29.4s
fadd v1.4s, v16.4s, v16.4s
fsub v2.4s, v2.4s, v0.4s // vars
fsub v3.4s, v3.4s, v1.4s // covar*2
fadd v0.4s, v0.4s, v30.4s
fadd v2.4s, v2.4s, v31.4s
fadd v1.4s, v1.4s, v30.4s
fadd v3.4s, v3.4s, v31.4s
fmul v0.4s, v0.4s, v2.4s
fmul v1.4s, v1.4s, v3.4s
fdiv v0.4s, v1.4s, v0.4s
b.eq 1f
movrel x3, mask
add x3, x3, x2, lsl #2
ld1 {v29.4s}, [x3]
and v0.16b, v0.16b, v29.16b
1:
faddp v0.4s, v0.4s, v0.4s
faddp s0, v0.2s
ret
endfunc
#endif /* BIT_DEPTH == 8 */
SAD_FUNC 4, 4
SAD_FUNC 4, 8
SAD_FUNC 4, 16
SAD_FUNC 8, 4
SAD_FUNC 8, 8
SAD_FUNC 8, 16
SAD_FUNC 16, 8
SAD_FUNC 16, 16
SAD_X_FUNC 3, 4, 4
SAD_X_FUNC 3, 4, 8
SAD_X_FUNC 3, 8, 4
SAD_X_FUNC 3, 8, 8
SAD_X_FUNC 3, 8, 16
SAD_X_FUNC 3, 16, 8
SAD_X_FUNC 3, 16, 16
SAD_X_FUNC 4, 4, 4
SAD_X_FUNC 4, 4, 8
SAD_X_FUNC 4, 8, 4
SAD_X_FUNC 4, 8, 8
SAD_X_FUNC 4, 8, 16
SAD_X_FUNC 4, 16, 8
SAD_X_FUNC 4, 16, 16
SSD_FUNC 4, 4
SSD_FUNC 4, 8
SSD_FUNC 4, 16
SSD_FUNC 8, 4
SSD_FUNC 8, 8
SSD_FUNC 8, 16
SSD_FUNC 16, 8
SSD_FUNC 16, 16
pixel_var_8 8
pixel_var_8 16
pixel_var2_8 8
pixel_var2_8 16
sa8d_satd_8x8
sa8d_satd_8x8 satd_
HADAMARD_AC 8, 8
HADAMARD_AC 8, 16
HADAMARD_AC 16, 8
HADAMARD_AC 16, 16
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