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ffmpeg/libavcodec/loongarch/hevc_idct.S
yuanhecai a87a52ed0b
avcodec/hevc: Add ff_hevc_idct_32x32_lasx asm opt 
tests/checkasm/checkasm:

                          C          LSX       LASX
hevc_idct_32x32_8_c:      1243.0     211.7     101.7

Speedup of decoding H265 4K 30FPS 30Mbps on
3A6000 with 8 threads is 1fps(56fps-->57fps).

Reviewed-by: yinshiyou-hf@loongson.cn
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-01-12 23:35:40 +01:00

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/*
* Copyright (c) 2023 Loongson Technology Corporation Limited
* Contributed by Hecai Yuan <yuanhecai@loongson.cn>
*
* 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 "loongson_asm.S"
.macro fr_store
addi.d sp, sp, -64
fst.d f24, sp, 0
fst.d f25, sp, 8
fst.d f26, sp, 16
fst.d f27, sp, 24
fst.d f28, sp, 32
fst.d f29, sp, 40
fst.d f30, sp, 48
fst.d f31, sp, 56
.endm
.macro fr_recover
fld.d f24, sp, 0
fld.d f25, sp, 8
fld.d f26, sp, 16
fld.d f27, sp, 24
fld.d f28, sp, 32
fld.d f29, sp, 40
fld.d f30, sp, 48
fld.d f31, sp, 56
addi.d sp, sp, 64
.endm
.extern gt32x32_cnst1
.extern gt32x32_cnst2
.extern gt8x8_cnst
.extern gt32x32_cnst0
.macro idct_16x32_step1_lasx
xvldrepl.w xr20, t1, 0
xvldrepl.w xr21, t1, 4
xvldrepl.w xr22, t1, 8
xvldrepl.w xr23, t1, 12
xvmulwev.w.h xr16, xr8, xr20
xvmaddwod.w.h xr16, xr8, xr20
xvmulwev.w.h xr17, xr9, xr20
xvmaddwod.w.h xr17, xr9, xr20
xvmaddwev.w.h xr16, xr10, xr21
xvmaddwod.w.h xr16, xr10, xr21
xvmaddwev.w.h xr17, xr11, xr21
xvmaddwod.w.h xr17, xr11, xr21
xvmaddwev.w.h xr16, xr12, xr22
xvmaddwod.w.h xr16, xr12, xr22
xvmaddwev.w.h xr17, xr13, xr22
xvmaddwod.w.h xr17, xr13, xr22
xvmaddwev.w.h xr16, xr14, xr23
xvmaddwod.w.h xr16, xr14, xr23
xvmaddwev.w.h xr17, xr15, xr23
xvmaddwod.w.h xr17, xr15, xr23
xvld xr0, t2, 0
xvld xr1, t2, 32
xvadd.w xr18, xr0, xr16
xvadd.w xr19, xr1, xr17
xvsub.w xr0, xr0, xr16
xvsub.w xr1, xr1, xr17
xvst xr18, t2, 0
xvst xr19, t2, 32
xvst xr0, t3, 0
xvst xr1, t3, 32
.endm
.macro idct_16x32_step2_lasx in0, in1, in2, in3, in4, in5, in6, in7, out0, out1
xvldrepl.w xr20, t1, 0
xvldrepl.w xr21, t1, 4
xvldrepl.w xr22, t1, 8
xvldrepl.w xr23, t1, 12
xvmulwev.w.h \out0, \in0, xr20
xvmaddwod.w.h \out0, \in0, xr20
xvmulwev.w.h \out1, \in1, xr20
xvmaddwod.w.h \out1, \in1, xr20
xvmaddwev.w.h \out0, \in2, xr21
xvmaddwod.w.h \out0, \in2, xr21
xvmaddwev.w.h \out1, \in3, xr21
xvmaddwod.w.h \out1, \in3, xr21
xvmaddwev.w.h \out0, \in4, xr22
xvmaddwod.w.h \out0, \in4, xr22
xvmaddwev.w.h \out1, \in5, xr22
xvmaddwod.w.h \out1, \in5, xr22
xvmaddwev.w.h \out0, \in6, xr23
xvmaddwod.w.h \out0, \in6, xr23
xvmaddwev.w.h \out1, \in7, xr23 // sum0_r
xvmaddwod.w.h \out1, \in7, xr23 // sum0_l
.endm
/* loop for all columns of filter constants */
.macro idct_16x32_step3_lasx round
xvadd.w xr16, xr16, xr30
xvadd.w xr17, xr17, xr31
xvld xr0, t2, 0
xvld xr1, t2, 32
xvadd.w xr30, xr0, xr16
xvadd.w xr31, xr1, xr17
xvsub.w xr16, xr0, xr16
xvsub.w xr17, xr1, xr17
xvssrarni.h.w xr31, xr30, \round
xvssrarni.h.w xr17, xr16, \round
xvst xr31, t4, 0
xvst xr17, t5, 0
.endm
.macro idct_16x32_lasx buf_pitch, round
addi.d t2, sp, 64
addi.d t0, a0, \buf_pitch*4*2
// 4 12 20 28
xvld xr0, t0, 0
xvld xr1, t0, \buf_pitch*8*2
xvld xr2, t0, \buf_pitch*16*2
xvld xr3, t0, \buf_pitch*24*2
xvilvl.h xr10, xr1, xr0
xvilvh.h xr11, xr1, xr0
xvilvl.h xr12, xr3, xr2
xvilvh.h xr13, xr3, xr2
la.local t1, gt32x32_cnst2
xvldrepl.w xr20, t1, 0
xvldrepl.w xr21, t1, 4
xvmulwev.w.h xr14, xr10, xr20
xvmaddwod.w.h xr14, xr10, xr20
xvmulwev.w.h xr15, xr11, xr20
xvmaddwod.w.h xr15, xr11, xr20
xvmaddwev.w.h xr14, xr12, xr21
xvmaddwod.w.h xr14, xr12, xr21
xvmaddwev.w.h xr15, xr13, xr21
xvmaddwod.w.h xr15, xr13, xr21
xvldrepl.w xr20, t1, 8
xvldrepl.w xr21, t1, 12
xvmulwev.w.h xr16, xr10, xr20
xvmaddwod.w.h xr16, xr10, xr20
xvmulwev.w.h xr17, xr11, xr20
xvmaddwod.w.h xr17, xr11, xr20
xvmaddwev.w.h xr16, xr12, xr21
xvmaddwod.w.h xr16, xr12, xr21
xvmaddwev.w.h xr17, xr13, xr21
xvmaddwod.w.h xr17, xr13, xr21
xvldrepl.w xr20, t1, 16
xvldrepl.w xr21, t1, 20
xvmulwev.w.h xr18, xr10, xr20
xvmaddwod.w.h xr18, xr10, xr20
xvmulwev.w.h xr19, xr11, xr20
xvmaddwod.w.h xr19, xr11, xr20
xvmaddwev.w.h xr18, xr12, xr21
xvmaddwod.w.h xr18, xr12, xr21
xvmaddwev.w.h xr19, xr13, xr21
xvmaddwod.w.h xr19, xr13, xr21
xvldrepl.w xr20, t1, 24
xvldrepl.w xr21, t1, 28
xvmulwev.w.h xr22, xr10, xr20
xvmaddwod.w.h xr22, xr10, xr20
xvmulwev.w.h xr23, xr11, xr20
xvmaddwod.w.h xr23, xr11, xr20
xvmaddwev.w.h xr22, xr12, xr21
xvmaddwod.w.h xr22, xr12, xr21
xvmaddwev.w.h xr23, xr13, xr21
xvmaddwod.w.h xr23, xr13, xr21
/* process coeff 0, 8, 16, 24 */
la.local t1, gt8x8_cnst
xvld xr0, a0, 0
xvld xr1, a0, \buf_pitch*8*2
xvld xr2, a0, \buf_pitch*16*2
xvld xr3, a0, \buf_pitch*24*2
xvldrepl.w xr20, t1, 0
xvldrepl.w xr21, t1, 4
xvilvl.h xr10, xr2, xr0
xvilvh.h xr11, xr2, xr0
xvilvl.h xr12, xr3, xr1
xvilvh.h xr13, xr3, xr1
xvmulwev.w.h xr4, xr10, xr20
xvmaddwod.w.h xr4, xr10, xr20 // sum0_r
xvmulwev.w.h xr5, xr11, xr20
xvmaddwod.w.h xr5, xr11, xr20 // sum0_l
xvmulwev.w.h xr6, xr12, xr21
xvmaddwod.w.h xr6, xr12, xr21 // tmp1_r
xvmulwev.w.h xr7, xr13, xr21
xvmaddwod.w.h xr7, xr13, xr21 // tmp1_l
xvsub.w xr0, xr4, xr6 // sum1_r
xvadd.w xr1, xr4, xr6 // sum0_r
xvsub.w xr2, xr5, xr7 // sum1_l
xvadd.w xr3, xr5, xr7 // sum0_l
// HEVC_EVEN16_CALC
xvsub.w xr24, xr1, xr14 // 7
xvsub.w xr25, xr3, xr15
xvadd.w xr14, xr1, xr14 // 0
xvadd.w xr15, xr3, xr15
xvst xr24, t2, 7*16*4 // 448=16*28=7*16*4
xvst xr25, t2, 7*16*4+32 // 480
xvst xr14, t2, 0
xvst xr15, t2, 32
xvsub.w xr26, xr0, xr22 // 4
xvsub.w xr27, xr2, xr23
xvadd.w xr22, xr0, xr22 // 3
xvadd.w xr23, xr2, xr23
xvst xr26, t2, 4*16*4 // 256=4*16*4
xvst xr27, t2, 4*16*4+32 // 288
xvst xr22, t2, 3*16*4 // 192=3*16*4
xvst xr23, t2, 3*16*4+32 // 224
xvldrepl.w xr20, t1, 16
xvldrepl.w xr21, t1, 20
xvmulwev.w.h xr4, xr10, xr20
xvmaddwod.w.h xr4, xr10, xr20
xvmulwev.w.h xr5, xr11, xr20
xvmaddwod.w.h xr5, xr11, xr20
xvmulwev.w.h xr6, xr12, xr21
xvmaddwod.w.h xr6, xr12, xr21
xvmulwev.w.h xr7, xr13, xr21
xvmaddwod.w.h xr7, xr13, xr21
xvsub.w xr0, xr4, xr6 // sum1_r
xvadd.w xr1, xr4, xr6 // sum0_r
xvsub.w xr2, xr5, xr7 // sum1_l
xvadd.w xr3, xr5, xr7 // sum0_l
// HEVC_EVEN16_CALC
xvsub.w xr24, xr1, xr16 // 6
xvsub.w xr25, xr3, xr17
xvadd.w xr16, xr1, xr16 // 1
xvadd.w xr17, xr3, xr17
xvst xr24, t2, 6*16*4 // 384=6*16*4
xvst xr25, t2, 6*16*4+32 // 416
xvst xr16, t2, 1*16*4 // 64=1*16*4
xvst xr17, t2, 1*16*4+32 // 96
xvsub.w xr26, xr0, xr18 // 5
xvsub.w xr27, xr2, xr19
xvadd.w xr18, xr0, xr18 // 2
xvadd.w xr19, xr2, xr19
xvst xr26, t2, 5*16*4 // 320=5*16*4
xvst xr27, t2, 5*16*4+32 // 352
xvst xr18, t2, 2*16*4 // 128=2*16*4
xvst xr19, t2, 2*16*4+32 // 160
/* process coeff 2 6 10 14 18 22 26 30 */
addi.d t0, a0, \buf_pitch*2*2
xvld xr0, t0, 0
xvld xr1, t0, \buf_pitch*4*2
xvld xr2, t0, \buf_pitch*8*2
xvld xr3, t0, \buf_pitch*12*2
xvld xr4, t0, \buf_pitch*16*2
xvld xr5, t0, \buf_pitch*20*2
xvld xr6, t0, \buf_pitch*24*2
xvld xr7, t0, \buf_pitch*28*2
xvilvl.h xr8, xr1, xr0
xvilvh.h xr9, xr1, xr0
xvilvl.h xr10, xr3, xr2
xvilvh.h xr11, xr3, xr2
xvilvl.h xr12, xr5, xr4
xvilvh.h xr13, xr5, xr4
xvilvl.h xr14, xr7, xr6
xvilvh.h xr15, xr7, xr6
la.local t1, gt32x32_cnst1
addi.d t2, sp, 64
addi.d t3, sp, 64+960 // 30*32
idct_16x32_step1_lasx
.rept 7
addi.d t1, t1, 16
addi.d t2, t2, 64
addi.d t3, t3, -64
idct_16x32_step1_lasx
.endr
addi.d t0, a0, \buf_pitch*2
xvld xr0, t0, 0
xvld xr1, t0, \buf_pitch*2*2
xvld xr2, t0, \buf_pitch*4*2
xvld xr3, t0, \buf_pitch*6*2
xvld xr4, t0, \buf_pitch*8*2
xvld xr5, t0, \buf_pitch*10*2
xvld xr6, t0, \buf_pitch*12*2
xvld xr7, t0, \buf_pitch*14*2
xvilvl.h xr8, xr1, xr0
xvilvh.h xr9, xr1, xr0
xvilvl.h xr10, xr3, xr2
xvilvh.h xr11, xr3, xr2
xvilvl.h xr12, xr5, xr4
xvilvh.h xr13, xr5, xr4
xvilvl.h xr14, xr7, xr6
xvilvh.h xr15, xr7, xr6
la.local t1, gt32x32_cnst0
idct_16x32_step2_lasx xr8, xr9, xr10, xr11, xr12, xr13, \
xr14, xr15, xr16, xr17
addi.d t0, a0, \buf_pitch*16*2+\buf_pitch*2
xvld xr0, t0, 0
xvld xr1, t0, \buf_pitch*2*2
xvld xr2, t0, \buf_pitch*4*2
xvld xr3, t0, \buf_pitch*6*2
xvld xr4, t0, \buf_pitch*8*2
xvld xr5, t0, \buf_pitch*10*2
xvld xr6, t0, \buf_pitch*12*2
xvld xr7, t0, \buf_pitch*14*2
xvilvl.h xr18, xr1, xr0
xvilvh.h xr19, xr1, xr0
xvilvl.h xr24, xr3, xr2
xvilvh.h xr25, xr3, xr2
xvilvl.h xr26, xr5, xr4
xvilvh.h xr27, xr5, xr4
xvilvl.h xr28, xr7, xr6
xvilvh.h xr29, xr7, xr6
addi.d t1, t1, 16
idct_16x32_step2_lasx xr18, xr19, xr24, xr25, xr26, xr27, \
xr28, xr29, xr30, xr31
addi.d t4, a0, 0
addi.d t5, a0, \buf_pitch*31*2
addi.d t2, sp, 64
idct_16x32_step3_lasx \round
.rept 15
addi.d t1, t1, 16
idct_16x32_step2_lasx xr8, xr9, xr10, xr11, xr12, xr13, \
xr14, xr15, xr16, xr17
addi.d t1, t1, 16
idct_16x32_step2_lasx xr18, xr19, xr24, xr25, xr26, xr27, \
xr28, xr29, xr30, xr31
addi.d t2, t2, 64
addi.d t4, t4, \buf_pitch*2
addi.d t5, t5, -\buf_pitch*2
idct_16x32_step3_lasx \round
.endr
.endm
function hevc_idct_16x32_column_step1_lasx
addi.d sp, sp, -1600 // 64+512*3
fr_store
idct_16x32_lasx 32, 7
fr_recover
addi.d sp, sp, 1600
endfunc
function hevc_idct_16x32_column_step2_lasx
addi.d sp, sp, -1600 // 64+512*3
fr_store
idct_16x32_lasx 16, 12
fr_recover
addi.d sp, sp, 1600
endfunc
function hevc_idct_transpose_32x16_to_16x32_lasx
fr_store
xvld xr0, a0, 0
xvld xr1, a0, 64
xvld xr2, a0, 128
xvld xr3, a0, 192
xvld xr4, a0, 256
xvld xr5, a0, 320
xvld xr6, a0, 384
xvld xr7, a0, 448
xvpermi.q xr8, xr0, 0x01
xvpermi.q xr9, xr1, 0x01
xvpermi.q xr10, xr2, 0x01
xvpermi.q xr11, xr3, 0x01
xvpermi.q xr12, xr4, 0x01
xvpermi.q xr13, xr5, 0x01
xvpermi.q xr14, xr6, 0x01
xvpermi.q xr15, xr7, 0x01
LSX_TRANSPOSE8x8_H vr0, vr1, vr2, vr3, vr4, vr5, vr6, vr7, \
vr0, vr1, vr2, vr3, vr4, vr5, vr6, vr7, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
LSX_TRANSPOSE8x8_H vr8, vr9, vr10, vr11, vr12, vr13, vr14, vr15, \
vr8, vr9, vr10, vr11, vr12, vr13, vr14, vr15, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
addi.d a0, a0, 512
vld vr24, a0, 0
vld vr25, a0, 64
vld vr26, a0, 128
vld vr27, a0, 192
vld vr28, a0, 256
vld vr29, a0, 320
vld vr30, a0, 384
vld vr31, a0, 448
LSX_TRANSPOSE8x8_H vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
xvpermi.q xr0, xr24, 0x02
xvpermi.q xr1, xr25, 0x02
xvpermi.q xr2, xr26, 0x02
xvpermi.q xr3, xr27, 0x02
xvpermi.q xr4, xr28, 0x02
xvpermi.q xr5, xr29, 0x02
xvpermi.q xr6, xr30, 0x02
xvpermi.q xr7, xr31, 0x02
xvst xr0, a1, 0
xvst xr1, a1, 32
xvst xr2, a1, 64
xvst xr3, a1, 96
xvst xr4, a1, 128
xvst xr5, a1, 160
xvst xr6, a1, 192
xvst xr7, a1, 224
addi.d a1, a1, 256
addi.d a0, a0, 16
vld vr24, a0, 0
vld vr25, a0, 64
vld vr26, a0, 128
vld vr27, a0, 192
vld vr28, a0, 256
vld vr29, a0, 320
vld vr30, a0, 384
vld vr31, a0, 448
LSX_TRANSPOSE8x8_H vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
xvpermi.q xr8, xr24, 0x02
xvpermi.q xr9, xr25, 0x02
xvpermi.q xr10, xr26, 0x02
xvpermi.q xr11, xr27, 0x02
xvpermi.q xr12, xr28, 0x02
xvpermi.q xr13, xr29, 0x02
xvpermi.q xr14, xr30, 0x02
xvpermi.q xr15, xr31, 0x02
xvst xr8, a1, 0
xvst xr9, a1, 32
xvst xr10, a1, 64
xvst xr11, a1, 96
xvst xr12, a1, 128
xvst xr13, a1, 160
xvst xr14, a1, 192
xvst xr15, a1, 224
// second
addi.d a0, a0, 32-512-16
xvld xr0, a0, 0
xvld xr1, a0, 64
xvld xr2, a0, 128
xvld xr3, a0, 192
xvld xr4, a0, 256
xvld xr5, a0, 320
xvld xr6, a0, 384
xvld xr7, a0, 448
xvpermi.q xr8, xr0, 0x01
xvpermi.q xr9, xr1, 0x01
xvpermi.q xr10, xr2, 0x01
xvpermi.q xr11, xr3, 0x01
xvpermi.q xr12, xr4, 0x01
xvpermi.q xr13, xr5, 0x01
xvpermi.q xr14, xr6, 0x01
xvpermi.q xr15, xr7, 0x01
LSX_TRANSPOSE8x8_H vr0, vr1, vr2, vr3, vr4, vr5, vr6, vr7, \
vr0, vr1, vr2, vr3, vr4, vr5, vr6, vr7, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
LSX_TRANSPOSE8x8_H vr8, vr9, vr10, vr11, vr12, vr13, vr14, vr15, \
vr8, vr9, vr10, vr11, vr12, vr13, vr14, vr15, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
addi.d a0, a0, 512
vld vr24, a0, 0
vld vr25, a0, 64
vld vr26, a0, 128
vld vr27, a0, 192
vld vr28, a0, 256
vld vr29, a0, 320
vld vr30, a0, 384
vld vr31, a0, 448
LSX_TRANSPOSE8x8_H vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
xvpermi.q xr0, xr24, 0x02
xvpermi.q xr1, xr25, 0x02
xvpermi.q xr2, xr26, 0x02
xvpermi.q xr3, xr27, 0x02
xvpermi.q xr4, xr28, 0x02
xvpermi.q xr5, xr29, 0x02
xvpermi.q xr6, xr30, 0x02
xvpermi.q xr7, xr31, 0x02
addi.d a1, a1, 256
xvst xr0, a1, 0
xvst xr1, a1, 32
xvst xr2, a1, 64
xvst xr3, a1, 96
xvst xr4, a1, 128
xvst xr5, a1, 160
xvst xr6, a1, 192
xvst xr7, a1, 224
addi.d a1, a1, 256
addi.d a0, a0, 16
vld vr24, a0, 0
vld vr25, a0, 64
vld vr26, a0, 128
vld vr27, a0, 192
vld vr28, a0, 256
vld vr29, a0, 320
vld vr30, a0, 384
vld vr31, a0, 448
LSX_TRANSPOSE8x8_H vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
xvpermi.q xr8, xr24, 0x02
xvpermi.q xr9, xr25, 0x02
xvpermi.q xr10, xr26, 0x02
xvpermi.q xr11, xr27, 0x02
xvpermi.q xr12, xr28, 0x02
xvpermi.q xr13, xr29, 0x02
xvpermi.q xr14, xr30, 0x02
xvpermi.q xr15, xr31, 0x02
xvst xr8, a1, 0
xvst xr9, a1, 32
xvst xr10, a1, 64
xvst xr11, a1, 96
xvst xr12, a1, 128
xvst xr13, a1, 160
xvst xr14, a1, 192
xvst xr15, a1, 224
fr_recover
endfunc
function hevc_idct_transpose_16x32_to_32x16_lasx
fr_store
xvld xr0, a0, 0
xvld xr1, a0, 32
xvld xr2, a0, 64
xvld xr3, a0, 96
xvld xr4, a0, 128
xvld xr5, a0, 160
xvld xr6, a0, 192
xvld xr7, a0, 224
xvpermi.q xr8, xr0, 0x01
xvpermi.q xr9, xr1, 0x01
xvpermi.q xr10, xr2, 0x01
xvpermi.q xr11, xr3, 0x01
xvpermi.q xr12, xr4, 0x01
xvpermi.q xr13, xr5, 0x01
xvpermi.q xr14, xr6, 0x01
xvpermi.q xr15, xr7, 0x01
LSX_TRANSPOSE8x8_H vr0, vr1, vr2, vr3, vr4, vr5, vr6, vr7, \
vr0, vr1, vr2, vr3, vr4, vr5, vr6, vr7, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
LSX_TRANSPOSE8x8_H vr8, vr9, vr10, vr11, vr12, vr13, vr14, vr15, \
vr8, vr9, vr10, vr11, vr12, vr13, vr14, vr15, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
addi.d a0, a0, 256
vld vr24, a0, 0
vld vr25, a0, 32
vld vr26, a0, 64
vld vr27, a0, 96
vld vr28, a0, 128
vld vr29, a0, 160
vld vr30, a0, 192
vld vr31, a0, 224
LSX_TRANSPOSE8x8_H vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
xvpermi.q xr0, xr24, 0x02
xvpermi.q xr1, xr25, 0x02
xvpermi.q xr2, xr26, 0x02
xvpermi.q xr3, xr27, 0x02
xvpermi.q xr4, xr28, 0x02
xvpermi.q xr5, xr29, 0x02
xvpermi.q xr6, xr30, 0x02
xvpermi.q xr7, xr31, 0x02
xvst xr0, a1, 0
xvst xr1, a1, 64
xvst xr2, a1, 128
xvst xr3, a1, 192
xvst xr4, a1, 256
xvst xr5, a1, 320
xvst xr6, a1, 384
xvst xr7, a1, 448
addi.d a1, a1, 512
addi.d a0, a0, 16
vld vr24, a0, 0
vld vr25, a0, 32
vld vr26, a0, 64
vld vr27, a0, 96
vld vr28, a0, 128
vld vr29, a0, 160
vld vr30, a0, 192
vld vr31, a0, 224
LSX_TRANSPOSE8x8_H vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
xvpermi.q xr8, xr24, 0x02
xvpermi.q xr9, xr25, 0x02
xvpermi.q xr10, xr26, 0x02
xvpermi.q xr11, xr27, 0x02
xvpermi.q xr12, xr28, 0x02
xvpermi.q xr13, xr29, 0x02
xvpermi.q xr14, xr30, 0x02
xvpermi.q xr15, xr31, 0x02
xvst xr8, a1, 0
xvst xr9, a1, 64
xvst xr10, a1, 128
xvst xr11, a1, 192
xvst xr12, a1, 256
xvst xr13, a1, 320
xvst xr14, a1, 384
xvst xr15, a1, 448
// second
addi.d a0, a0, 256-16
xvld xr0, a0, 0
xvld xr1, a0, 32
xvld xr2, a0, 64
xvld xr3, a0, 96
xvld xr4, a0, 128
xvld xr5, a0, 160
xvld xr6, a0, 192
xvld xr7, a0, 224
xvpermi.q xr8, xr0, 0x01
xvpermi.q xr9, xr1, 0x01
xvpermi.q xr10, xr2, 0x01
xvpermi.q xr11, xr3, 0x01
xvpermi.q xr12, xr4, 0x01
xvpermi.q xr13, xr5, 0x01
xvpermi.q xr14, xr6, 0x01
xvpermi.q xr15, xr7, 0x01
LSX_TRANSPOSE8x8_H vr0, vr1, vr2, vr3, vr4, vr5, vr6, vr7, \
vr0, vr1, vr2, vr3, vr4, vr5, vr6, vr7, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
LSX_TRANSPOSE8x8_H vr8, vr9, vr10, vr11, vr12, vr13, vr14, vr15, \
vr8, vr9, vr10, vr11, vr12, vr13, vr14, vr15, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
addi.d a0, a0, 256
vld vr24, a0, 0
vld vr25, a0, 32
vld vr26, a0, 64
vld vr27, a0, 96
vld vr28, a0, 128
vld vr29, a0, 160
vld vr30, a0, 192
vld vr31, a0, 224
LSX_TRANSPOSE8x8_H vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
xvpermi.q xr0, xr24, 0x02
xvpermi.q xr1, xr25, 0x02
xvpermi.q xr2, xr26, 0x02
xvpermi.q xr3, xr27, 0x02
xvpermi.q xr4, xr28, 0x02
xvpermi.q xr5, xr29, 0x02
xvpermi.q xr6, xr30, 0x02
xvpermi.q xr7, xr31, 0x02
addi.d a1, a1, -512+32
xvst xr0, a1, 0
xvst xr1, a1, 64
xvst xr2, a1, 128
xvst xr3, a1, 192
xvst xr4, a1, 256
xvst xr5, a1, 320
xvst xr6, a1, 384
xvst xr7, a1, 448
addi.d a1, a1, 512
addi.d a0, a0, 16
vld vr24, a0, 0
vld vr25, a0, 32
vld vr26, a0, 64
vld vr27, a0, 96
vld vr28, a0, 128
vld vr29, a0, 160
vld vr30, a0, 192
vld vr31, a0, 224
LSX_TRANSPOSE8x8_H vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr24, vr25, vr26, vr27, vr28, vr29, vr30, vr31, \
vr16, vr17, vr18, vr19, vr20, vr21, vr22, vr23
xvpermi.q xr8, xr24, 0x02
xvpermi.q xr9, xr25, 0x02
xvpermi.q xr10, xr26, 0x02
xvpermi.q xr11, xr27, 0x02
xvpermi.q xr12, xr28, 0x02
xvpermi.q xr13, xr29, 0x02
xvpermi.q xr14, xr30, 0x02
xvpermi.q xr15, xr31, 0x02
xvst xr8, a1, 0
xvst xr9, a1, 64
xvst xr10, a1, 128
xvst xr11, a1, 192
xvst xr12, a1, 256
xvst xr13, a1, 320
xvst xr14, a1, 384
xvst xr15, a1, 448
fr_recover
endfunc
function ff_hevc_idct_32x32_lasx
addi.d t7, a0, 0
addi.d t6, a1, 0
addi.d sp, sp, -8
st.d ra, sp, 0
bl hevc_idct_16x32_column_step1_lasx
addi.d a0, a0, 32
bl hevc_idct_16x32_column_step1_lasx
addi.d sp, sp, -1086 // (16*32+31)*2
fr_store
addi.d t8, sp, 64+31*2 // tmp_buf_ptr
addi.d a0, t7, 0
addi.d a1, t8, 0
bl hevc_idct_transpose_32x16_to_16x32_lasx
addi.d a0, t8, 0
bl hevc_idct_16x32_column_step2_lasx
addi.d a0, t8, 0
addi.d a1, t7, 0
bl hevc_idct_transpose_16x32_to_32x16_lasx
// second
addi.d a0, t7, 32*8*2*2
addi.d a1, t8, 0
bl hevc_idct_transpose_32x16_to_16x32_lasx
addi.d a0, t8, 0
bl hevc_idct_16x32_column_step2_lasx
addi.d a0, t8, 0
addi.d a1, t7, 32*8*2*2
bl hevc_idct_transpose_16x32_to_32x16_lasx
fr_recover
addi.d sp, sp, 1086 // (16*32+31)*2
ld.d ra, sp, 0
addi.d sp, sp, 8
endfunc
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