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pineappleEA
2021-02-09 04:25:58 +01:00
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externals/ffmpeg/libavcodec/aarch64/sbrdsp_neon.S vendored Executable file
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/*
* 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/aarch64/asm.S"
const factors, align=4
.float 1.0, -1.0, 1.0, -1.0
endconst
const phi_noise_0, align=4
.float 1.0, 0.0, 1.0, 0.0
endconst
const phi_noise_1, align=4
.float 0.0, 1.0, 0.0, -1.0
.float 0.0, -1.0, 0.0, 1.0
endconst
const phi_noise_2, align=4
.float -1.0, 0.0, -1.0, 0.0
endconst
const phi_noise_3, align=4
.float 0.0, -1.0, 0.0, 1.0
.float 0.0, 1.0, 0.0, -1.0
endconst
function ff_sbr_sum64x5_neon, export=1
add x1, x0, #64*4
add x2, x0, #128*4
add x3, x0, #192*4
add x4, x0, #256*4
mov x5, #64
1: ld1 {v0.4S}, [x0]
ld1 {v1.4S}, [x1], #16
fadd v0.4S, v0.4S, v1.4S
ld1 {v2.4S}, [x2], #16
fadd v0.4S, v0.4S, v2.4S
ld1 {v3.4S}, [x3], #16
fadd v0.4S, v0.4S, v3.4S
ld1 {v4.4S}, [x4], #16
fadd v0.4S, v0.4S, v4.4S
st1 {v0.4S}, [x0], #16
subs x5, x5, #4
b.gt 1b
ret
endfunc
function ff_sbr_sum_square_neon, export=1
movi v0.4S, #0
1: ld1 {v1.4S}, [x0], #16
fmla v0.4S, v1.4S, v1.4S
subs w1, w1, #2
b.gt 1b
faddp v0.4S, v0.4S, v0.4S
faddp v0.4S, v0.4S, v0.4S
ret
endfunc
function ff_sbr_neg_odd_64_neon, export=1
mov x1, x0
movi v5.4S, #1<<7, lsl #24
ld2 {v0.4S, v1.4S}, [x0], #32
eor v1.16B, v1.16B, v5.16B
ld2 {v2.4S, v3.4S}, [x0], #32
.rept 3
st2 {v0.4S, v1.4S}, [x1], #32
eor v3.16B, v3.16B, v5.16B
ld2 {v0.4S, v1.4S}, [x0], #32
st2 {v2.4S, v3.4S}, [x1], #32
eor v1.16B, v1.16B, v5.16B
ld2 {v2.4S, v3.4S}, [x0], #32
.endr
eor v3.16B, v3.16B, v5.16B
st2 {v0.4S, v1.4S}, [x1], #32
st2 {v2.4S, v3.4S}, [x1], #32
ret
endfunc
function ff_sbr_qmf_pre_shuffle_neon, export=1
add x1, x0, #60*4
add x2, x0, #64*4
mov x3, #-16
mov x4, #-4
movi v6.4S, #1<<7, lsl #24
ld1 {v0.2S}, [x0], #8
st1 {v0.2S}, [x2], #8
.rept 7
ld1 {v1.4S}, [x1], x3
ld1 {v2.4S}, [x0], #16
eor v1.16B, v1.16B, v6.16B
rev64 v1.4S, v1.4S
ext v1.16B, v1.16B, v1.16B, #8
st2 {v1.4S, v2.4S}, [x2], #32
.endr
add x1, x1, #8
ld1 {v1.2S}, [x1], x4
ld1 {v2.2S}, [x0], #8
ld1 {v1.S}[3], [x1]
ld1 {v2.S}[2], [x0]
eor v1.16B, v1.16B, v6.16B
rev64 v1.4S, v1.4S
st2 {v1.2S, v2.2S}, [x2], #16
st2 {v1.S, v2.S}[2], [x2]
ret
endfunc
function ff_sbr_qmf_post_shuffle_neon, export=1
add x2, x1, #60*4
mov x3, #-16
mov x4, #32
movi v6.4S, #1<<7, lsl #24
1: ld1 {v0.4S}, [x2], x3
ld1 {v1.4S}, [x1], #16
eor v0.16B, v0.16B, v6.16B
rev64 v0.4S, v0.4S
ext v0.16B, v0.16B, v0.16B, #8
st2 {v0.4S, v1.4S}, [x0], #32
subs x4, x4, #4
b.gt 1b
ret
endfunc
function ff_sbr_qmf_deint_neg_neon, export=1
add x1, x1, #56*4
add x2, x0, #60*4
mov x3, #-32
mov x4, #32
movi v2.4S, #1<<7, lsl #24
1: ld2 {v0.4S, v1.4S}, [x1], x3
eor v0.16B, v0.16B, v2.16B
rev64 v1.4S, v1.4S
ext v1.16B, v1.16B, v1.16B, #8
st1 {v0.4S}, [x2]
st1 {v1.4S}, [x0], #16
sub x2, x2, #16
subs x4, x4, #4
b.gt 1b
ret
endfunc
function ff_sbr_qmf_deint_bfly_neon, export=1
add x2, x2, #60*4
add x3, x0, #124*4
mov x4, #64
mov x5, #-16
1: ld1 {v0.4S}, [x1], #16
ld1 {v1.4S}, [x2], x5
rev64 v2.4S, v0.4S
ext v2.16B, v2.16B, v2.16B, #8
rev64 v3.4S, v1.4S
ext v3.16B, v3.16B, v3.16B, #8
fadd v1.4S, v1.4S, v2.4S
fsub v0.4S, v0.4S, v3.4S
st1 {v0.4S}, [x0], #16
st1 {v1.4S}, [x3], x5
subs x4, x4, #4
b.gt 1b
ret
endfunc
function ff_sbr_hf_gen_neon, export=1
sxtw x4, w4
sxtw x5, w5
movrel x6, factors
ld1 {v7.4S}, [x6]
dup v1.4S, v0.S[0]
mov v2.8B, v1.8B
mov v2.S[2], v7.S[0]
mov v2.S[3], v7.S[0]
fmul v1.4S, v1.4S, v2.4S
ld1 {v0.D}[0], [x3]
ld1 {v0.D}[1], [x2]
fmul v0.4S, v0.4S, v1.4S
fmul v1.4S, v0.4S, v7.4S
rev64 v0.4S, v0.4S
sub x7, x5, x4
add x0, x0, x4, lsl #3
add x1, x1, x4, lsl #3
sub x1, x1, #16
1: ld1 {v2.4S}, [x1], #16
ld1 {v3.2S}, [x1]
fmul v4.4S, v2.4S, v1.4S
fmul v5.4S, v2.4S, v0.4S
faddp v4.4S, v4.4S, v4.4S
faddp v5.4S, v5.4S, v5.4S
faddp v4.4S, v4.4S, v4.4S
faddp v5.4S, v5.4S, v5.4S
mov v4.S[1], v5.S[0]
fadd v4.2S, v4.2S, v3.2S
st1 {v4.2S}, [x0], #8
sub x1, x1, #8
subs x7, x7, #1
b.gt 1b
ret
endfunc
function ff_sbr_hf_g_filt_neon, export=1
sxtw x3, w3
sxtw x4, w4
mov x5, #40*2*4
add x1, x1, x4, lsl #3
1: ld1 {v0.2S}, [x1], x5
ld1 {v1.S}[0], [x2], #4
fmul v2.4S, v0.4S, v1.S[0]
st1 {v2.2S}, [x0], #8
subs x3, x3, #1
b.gt 1b
ret
endfunc
function ff_sbr_autocorrelate_neon, export=1
mov x2, #38
movrel x3, factors
ld1 {v0.4S}, [x3]
movi v1.4S, #0
movi v2.4S, #0
movi v3.4S, #0
ld1 {v4.2S}, [x0], #8
ld1 {v5.2S}, [x0], #8
fmul v16.2S, v4.2S, v4.2S
fmul v17.2S, v5.2S, v4.S[0]
fmul v18.2S, v5.2S, v4.S[1]
1: ld1 {v5.D}[1], [x0], #8
fmla v1.2S, v4.2S, v4.2S
fmla v2.4S, v5.4S, v4.S[0]
fmla v3.4S, v5.4S, v4.S[1]
mov v4.D[0], v5.D[0]
mov v5.D[0], v5.D[1]
subs x2, x2, #1
b.gt 1b
fmul v19.2S, v4.2S, v4.2S
fmul v20.2S, v5.2S, v4.S[0]
fmul v21.2S, v5.2S, v4.S[1]
fadd v22.4S, v2.4S, v20.4S
fsub v22.4S, v22.4S, v17.4S
fadd v23.4S, v3.4S, v21.4S
fsub v23.4S, v23.4S, v18.4S
rev64 v23.4S, v23.4S
fmul v23.4S, v23.4S, v0.4S
fadd v22.4S, v22.4S, v23.4S
st1 {v22.4S}, [x1], #16
fadd v23.2S, v1.2S, v19.2S
fsub v23.2S, v23.2S, v16.2S
faddp v23.2S, v23.2S, v23.2S
st1 {v23.S}[0], [x1]
add x1, x1, #8
rev64 v3.2S, v3.2S
fmul v3.2S, v3.2S, v0.2S
fadd v2.2S, v2.2S, v3.2S
st1 {v2.2S}, [x1]
add x1, x1, #16
faddp v1.2S, v1.2S, v1.2S
st1 {v1.S}[0], [x1]
ret
endfunc
.macro apply_noise_common
sxtw x3, w3
sxtw x5, w5
movrel x7, X(ff_sbr_noise_table)
add x3, x3, #1
1: and x3, x3, #0x1ff
add x8, x7, x3, lsl #3
add x3, x3, #2
ld1 {v2.4S}, [x0]
ld1 {v3.2S}, [x1], #8
ld1 {v4.2S}, [x2], #8
ld1 {v5.4S}, [x8]
mov v6.16B, v2.16B
zip1 v3.4S, v3.4S, v3.4S
zip1 v4.4S, v4.4S, v4.4S
fmla v6.4S, v1.4S, v3.4S
fmla v2.4S, v5.4S, v4.4S
fcmeq v7.4S, v3.4S, #0
bif v2.16B, v6.16B, v7.16B
st1 {v2.4S}, [x0], #16
subs x5, x5, #2
b.gt 1b
.endm
function ff_sbr_hf_apply_noise_0_neon, export=1
movrel x9, phi_noise_0
ld1 {v1.4S}, [x9]
apply_noise_common
ret
endfunc
function ff_sbr_hf_apply_noise_1_neon, export=1
movrel x9, phi_noise_1
and x4, x4, #1
add x9, x9, x4, lsl #4
ld1 {v1.4S}, [x9]
apply_noise_common
ret
endfunc
function ff_sbr_hf_apply_noise_2_neon, export=1
movrel x9, phi_noise_2
ld1 {v1.4S}, [x9]
apply_noise_common
ret
endfunc
function ff_sbr_hf_apply_noise_3_neon, export=1
movrel x9, phi_noise_3
and x4, x4, #1
add x9, x9, x4, lsl #4
ld1 {v1.4S}, [x9]
apply_noise_common
ret
endfunc