1045 lines
38 KiB
ArmAsm
Executable File
1045 lines
38 KiB
ArmAsm
Executable File
/*
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* Copyright (c) 2017 Google Inc.
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/arm/asm.S"
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.macro transpose16_q_8x8 rq0, rq1, rq2, rq3, rq4, rq5, rq6, rq7, r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15
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vswp \r1, \r8 @ vtrn.64 \rq0, \rq4
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vswp \r3, \r10 @ vtrn.64 \rq1, \rq5
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vswp \r5, \r12 @ vtrn.64 \rq2, \rq6
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vswp \r7, \r14 @ vtrn.64 \rq3, \rq7
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vtrn.32 \rq0, \rq2
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vtrn.32 \rq1, \rq3
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vtrn.32 \rq4, \rq6
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vtrn.32 \rq5, \rq7
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vtrn.16 \rq0, \rq1
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vtrn.16 \rq2, \rq3
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vtrn.16 \rq4, \rq5
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vtrn.16 \rq6, \rq7
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.endm
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.macro transpose16_4x4 r0, r1, r2, r3
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vtrn.32 \r0, \r2
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vtrn.32 \r1, \r3
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vtrn.16 \r0, \r1
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vtrn.16 \r2, \r3
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.endm
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@ Do a 4x4 transpose, using q registers for the subtransposes that don't
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@ need to address the indiviudal d registers.
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@ r0,r1 == rq0, r2,r3 == rq1
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.macro transpose16_q_4x4 rq0, rq1, r0, r1, r2, r3
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vtrn.32 \rq0, \rq1
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vtrn.16 \r0, \r1
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vtrn.16 \r2, \r3
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.endm
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@ The input to and output from this macro is in the registers q8-q15,
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@ and q0-q7 are used as scratch registers.
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@ p3 = q8, p0 = q11, q0 = q12, q3 = q15
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.macro loop_filter_q wd
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vdup.u16 q0, r2 @ E
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vdup.u16 q1, r3 @ I
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vabd.u16 q2, q8, q9 @ abs(p3 - p2)
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vabd.u16 q3, q9, q10 @ abs(p2 - p1)
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vabd.u16 q4, q10, q11 @ abs(p1 - p0)
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vabd.u16 q5, q12, q13 @ abs(q0 - q1)
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vabd.u16 q6, q13, q14 @ abs(q1 - q2)
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vabd.u16 q7, q14, q15 @ abs(q2 - q3)
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vmax.u16 q2, q2, q3
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vmax.u16 q3, q4, q5
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vmax.u16 q4, q6, q7
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vabd.u16 q5, q11, q12 @ abs(p0 - q0)
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vmax.u16 q2, q2, q3
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vadd.u16 q5, q5, q5 @ abs(p0 - q0) * 2
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vabd.u16 q6, q10, q13 @ abs(p1 - q1)
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vmax.u16 q2, q2, q4 @ max(abs(p3 - p2), ..., abs(q2 - q3))
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vshr.u16 q6, q6, #1
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vcle.u16 q2, q2, q1 @ max(abs()) <= I
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vadd.u16 q5, q5, q6 @ abs(p0 - q0) * 2 + abs(p1 - q1) >> 1
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vcle.u16 q5, q5, q0
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vand q2, q2, q5 @ fm
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vmovn.u16 d10, q2
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vmov r8, r9, d10
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orrs r8, r8, r9
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@ If no pixels need filtering, just exit as soon as possible
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beq 9f
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.if \wd >= 8
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vdup.u16 q0, r5
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vabd.u16 q1, q8, q11 @ abs(p3 - p0)
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vabd.u16 q3, q9, q11 @ abs(p2 - p0)
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vabd.u16 q4, q10, q11 @ abs(p1 - p0)
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vabd.u16 q5, q13, q12 @ abs(q1 - q0)
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vabd.u16 q6, q14, q12 @ abs(q2 - q0)
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vabd.u16 q7, q15, q12 @ abs(q3 - q0)
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vmax.u16 q1, q1, q3
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vmax.u16 q4, q4, q5
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vmax.u16 q6, q6, q7
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@ The rest of the calculation of flat8in is interleaved below
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.endif
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@ Calculate the normal inner loop filter for 2 or 4 pixels
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vabd.u16 q3, q10, q11 @ abs(p1 - p0)
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.if \wd == 8
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vmax.u16 q1, q1, q4
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.endif
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vabd.u16 q4, q13, q12 @ abs(q1 - q0)
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.if \wd == 8
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vmax.u16 q1, q1, q6
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.endif
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vsub.u16 q5, q10, q13 @ p1 - q1
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vmax.u16 q3, q3, q4 @ max(abs(p1 - p0), abs(q1 - q0))
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vdup.u16 q4, r4 @ H
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vsub.u16 q6, q12, q11 @ q0 - p0
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.if \wd == 8
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vcle.u16 q1, q1, q0 @ flat8in
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.endif
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vdup.u16 q0, r6 @ left shift for saturation
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vcle.u16 q3, q3, q4 @ !hev
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.if \wd == 8
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vand q1, q1, q2 @ flat8in && fm
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.endif
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vneg.s16 q4, q0 @ negative left shift after saturation
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vqshl.s16 q5, q5, q0
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.if \wd == 8
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vbic q2, q2, q1 @ fm && !flat8in
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.endif
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vmov.s16 q7, #3
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vand q3, q3, q2 @ !hev && fm && !flat8in
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vshl.s16 q5, q5, q4 @ av_clip_int2p(p1 - q1, BIT_DEPTH - 1)
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vmul.s16 q6, q6, q7 @ 3 * (q0 - p0)
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vbic q5, q5, q3 @ if (!hev) av_clip_int2p = 0
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vadd.s16 q6, q6, q5 @ 3 * (q0 - p0) [+ av_clip_int2p(p1 - q1)]
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vmov.s16 q5, #4
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vqshl.s16 q6, q6, q0
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vmov.s16 q0, #3
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vshl.s16 q6, q6, q4 @ av_clip_int2p(3 * (q0 - p0) [+ av_clip_int2p(p1 - q1)], BIT_DEPTH - 1) = f
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vdup.u16 q4, r7 @ max pixel value
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vshr.u16 q4, q4, #1 @ (1 << (BIT_DEPTH - 1)) - 1)
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vadd.s16 q5, q6, q5 @ f + 4
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vadd.s16 q0, q6, q0 @ f + 3
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vmov.s16 q6, #0
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vmin.s16 q5, q5, q4 @ FFMIN(f + 4, (1 << (BIT_DEPTH - 1)) - 1)
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vmin.s16 q0, q0, q4 @ FFMIN(f + 3, (1 << (BIT_DEPTH - 1)) - 1)
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vdup.u16 q4, r7 @ max pixel value
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vshr.s16 q5, q5, #3 @ f1
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vshr.s16 q0, q0, #3 @ f2
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vadd.s16 q0, q11, q0 @ p0 + f2
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vsub.s16 q7, q12, q5 @ q0 - f1
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vmin.s16 q0, q0, q4
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vmin.s16 q7, q7, q4
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vrshr.s16 q5, q5, #1 @ f = (f1 + 1) >> 1
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vmax.s16 q0, q0, q6 @ out p0
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vmax.s16 q7, q7, q6 @ out q0
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vbit q11, q0, q2 @ if (fm && !flat8in)
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vbit q12, q7, q2
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.if \wd >= 8
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vmovn.u16 d4, q1
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.endif
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vadd.s16 q0, q10, q5 @ p1 + f
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vsub.s16 q7, q13, q5 @ q1 - f
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.if \wd >= 8
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vmov r8, r9, d4
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.endif
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vmin.s16 q0, q0, q4
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vmin.s16 q7, q7, q4
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.if \wd >= 8
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orrs r8, r8, r9
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.endif
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vmax.s16 q0, q0, q6 @ out p1
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vmax.s16 q7, q7, q6 @ out q1
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vbit q10, q0, q3 @ if (!hev && fm && !flat8in)
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vbit q13, q7, q3
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.if \wd >= 8
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@ If no pixels need flat8in, jump to a writeout of the inner 4 pixels
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beq 6f
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@ flat8in
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vadd.u16 q2, q8, q9
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vadd.u16 q3, q10, q13
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vadd.u16 q4, q8, q10
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vadd.u16 q5, q11, q14
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vadd.u16 q0, q2, q2
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vadd.u16 q0, q0, q11
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vadd.u16 q0, q0, q12
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vadd.u16 q0, q0, q4
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vsub.s16 q3, q3, q2
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vsub.s16 q5, q5, q4
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vrshr.u16 q6, q0, #3 @ out p2
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vadd.u16 q0, q0, q3
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vadd.u16 q2, q8, q11
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vadd.u16 q3, q12, q15
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vrshr.u16 q7, q0, #3 @ out p1
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vadd.u16 q0, q0, q5
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vsub.s16 q3, q3, q2
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vadd.u16 q4, q9, q12
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vbit q9, q6, q1
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vadd.u16 q5, q13, q15
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vrshr.u16 q6, q0, #3 @ out p0
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vadd.u16 q0, q0, q3
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vsub.s16 q5, q5, q4
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vadd.u16 q2, q10, q13
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vbit q10, q7, q1
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vadd.u16 q3, q14, q15
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vrshr.u16 q7, q0, #3 @ out q0
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vadd.u16 q0, q0, q5
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vsub.s16 q3, q3, q2
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vbit q11, q6, q1
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vrshr.u16 q6, q0, #3 @ out q1
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vadd.u16 q0, q0, q3
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vbit q12, q7, q1
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vrshr.u16 q7, q0, #3 @ out q2
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vbit q13, q6, q1
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vbit q14, q7, q1
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.endif
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.endm
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@ The input to and output from this macro is in the registers d16-d31,
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@ and d0-d7 are used as scratch registers.
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@ p7 = d16 .. p3 = d20, p0 = d23, q0 = d24, q3 = d27, q7 = d31
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@ Depending on the width of the loop filter, we either use d16-d19
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@ and d28-d31 as temp registers, or d8-d15.
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@ In practice, this is only ever instantiated once, so the macro parameters
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@ could be hardcoded, but keeping them as is, to keep similarities to the
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@ 8 bpp and aarch64 versions.
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.macro loop_filter wd, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8
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vdup.u16 d0, r2 @ E
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vdup.u16 d2, r3 @ I
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vabd.u16 d4, d20, d21 @ abs(p3 - p2)
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vabd.u16 d5, d21, d22 @ abs(p2 - p1)
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vabd.u16 d6, d22, d23 @ abs(p1 - p0)
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vabd.u16 d7, d24, d25 @ abs(q0 - q1)
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vabd.u16 \tmp1, d25, d26 @ abs(q1 - q2)
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vabd.u16 \tmp2, d26, d27 @ abs(q2 - q3)
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vmax.u16 d4, d4, d5
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vmax.u16 d5, d6, d7
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vmax.u16 \tmp1, \tmp1, \tmp2
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vabd.u16 d6, d23, d24 @ abs(p0 - q0)
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vmax.u16 d4, d4, d5
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vadd.u16 d6, d6, d6 @ abs(p0 - q0) * 2
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vabd.u16 d5, d22, d25 @ abs(p1 - q1)
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vmax.u16 d4, d4, \tmp1 @ max(abs(p3 - p2), ..., abs(q2 - q3))
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vshr.u16 d5, d5, #1
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vcle.u16 d4, d4, d2 @ max(abs()) <= I
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vadd.u16 d6, d6, d5 @ abs(p0 - q0) * 2 + abs(p1 - q1) >> 1
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vcle.u16 d6, d6, d0
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vand d4, d4, d6 @ fm
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vdup.u16 d3, r4 @ H
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vmov r8, r9, d4
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orrs r8, r8, r9
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@ If no pixels need filtering, just exit as soon as possible
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beq 9f
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.if \wd >= 8
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vdup.u16 d0, r5
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vabd.u16 d6, d20, d23 @ abs(p3 - p0)
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vabd.u16 d2, d21, d23 @ abs(p2 - p0)
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vabd.u16 d1, d22, d23 @ abs(p1 - p0)
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vabd.u16 \tmp1, d25, d24 @ abs(q1 - q0)
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vabd.u16 \tmp2, d26, d24 @ abs(q2 - q0)
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vabd.u16 \tmp3, d27, d24 @ abs(q3 - q0)
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vmax.u16 d6, d6, d2
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vmax.u16 d1, d1, \tmp1
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vmax.u16 \tmp2, \tmp2, \tmp3
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.if \wd == 16
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vabd.u16 d7, d16, d23 @ abs(p7 - p0)
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vmax.u16 d6, d6, d1
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vabd.u16 d2, d17, d23 @ abs(p6 - p0)
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vmax.u16 d6, d6, \tmp2
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vabd.u16 d1, d18, d23 @ abs(p5 - p0)
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vcle.u16 d6, d6, d0 @ flat8in
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vabd.u16 d8, d19, d23 @ abs(p4 - p0)
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vand d6, d6, d4 @ flat8in && fm
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vabd.u16 d9, d28, d24 @ abs(q4 - q0)
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vbic d4, d4, d6 @ fm && !flat8in
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vabd.u16 d10, d29, d24 @ abs(q5 - q0)
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vabd.u16 d11, d30, d24 @ abs(q6 - q0)
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vabd.u16 d12, d31, d24 @ abs(q7 - q0)
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vmax.u16 d7, d7, d2
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vmax.u16 d1, d1, d8
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vmax.u16 d9, d9, d10
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vmax.u16 d11, d11, d12
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@ The rest of the calculation of flat8out is interleaved below
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.else
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@ The rest of the calculation of flat8in is interleaved below
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.endif
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.endif
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@ Calculate the normal inner loop filter for 2 or 4 pixels
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vabd.u16 d5, d22, d23 @ abs(p1 - p0)
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.if \wd == 16
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vmax.u16 d7, d7, d1
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vmax.u16 d9, d9, d11
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.elseif \wd == 8
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vmax.u16 d6, d6, d1
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.endif
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vabd.u16 d1, d25, d24 @ abs(q1 - q0)
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.if \wd == 16
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vmax.u16 d7, d7, d9
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.elseif \wd == 8
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vmax.u16 d6, d6, \tmp2
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.endif
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vdup.u16 \tmp2, r6 @ left shift for saturation
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vsub.u16 \tmp1, d22, d25 @ p1 - q1
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vneg.s16 \tmp6, \tmp2 @ negative left shift after saturation
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vmax.u16 d5, d5, d1 @ max(abs(p1 - p0), abs(q1 - q0))
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vsub.u16 \tmp3, d24, d23 @ q0 - p0
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vmov.s16 \tmp5, #3
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.if \wd == 8
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vcle.u16 d6, d6, d0 @ flat8in
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.endif
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vcle.u16 d5, d5, d3 @ !hev
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.if \wd == 8
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vand d6, d6, d4 @ flat8in && fm
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.endif
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vqshl.s16 \tmp1, \tmp1, \tmp2
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.if \wd == 16
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vcle.u16 d7, d7, d0 @ flat8out
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.elseif \wd == 8
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vbic d4, d4, d6 @ fm && !flat8in
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.endif
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vand d5, d5, d4 @ !hev && fm && !flat8in
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.if \wd == 16
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vand d7, d7, d6 @ flat8out && flat8in && fm
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.endif
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vshl.s16 \tmp1, \tmp1, \tmp6 @ av_clip_int2p(p1 - q1, BIT_DEPTH - 1)
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vmul.s16 \tmp3, \tmp3, \tmp5 @ 3 * (q0 - p0)
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vbic \tmp1, \tmp1, d5 @ if (!hev) av_clip_int2p = 0
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vmov.s16 d2, #4
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vadd.s16 \tmp3, \tmp3, \tmp1 @ 3 * (q0 - p0) [+ av_clip_int2p(p1 - q1)]
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vmov.s16 d3, #3
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vqshl.s16 \tmp1, \tmp3, \tmp2
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vmov.s16 \tmp5, #0
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vshl.s16 \tmp1, \tmp1, \tmp6 @ av_clip_int2p(3 * (q0 - p0) [+ av_clip_int2p(p1 - q1)], BIT_DEPTH - 1) = f
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vdup.u16 \tmp6, r7 @ max pixel value
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.if \wd == 16
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vbic d6, d6, d7 @ fm && flat8in && !flat8out
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.endif
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vshr.u16 \tmp2, \tmp6, #1 @ (1 << (BIT_DEPTH - 1)) - 1
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vadd.s16 \tmp3, \tmp1, d2 @ f + 4
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vadd.s16 \tmp4, \tmp1, d3 @ f + 3
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vmin.s16 \tmp3, \tmp3, \tmp2 @ FFMIN(f + 4, (1 << (BIT_DEPTH - 1)) - 1)
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vmin.s16 \tmp4, \tmp4, \tmp2 @ FFMIN(f + 3, (1 << (BIT_DEPTH - 1)) - 1)
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vshr.s16 \tmp3, \tmp3, #3 @ f1
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vshr.s16 \tmp4, \tmp4, #3 @ f2
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vadd.s16 d0, d23, \tmp4 @ p0 + f2
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vsub.s16 d2, d24, \tmp3 @ q0 - f1
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vmin.s16 d0, d0, \tmp6
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vmin.s16 d2, d2, \tmp6
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vrshr.s16 \tmp3, \tmp3, #1 @ f = (f1 + 1) >> 1
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vmax.s16 d0, d0, \tmp5 @ out p0
|
|
vmax.s16 d2, d2, \tmp5 @ out q0
|
|
vbit d23, d0, d4 @ if (fm && !flat8in)
|
|
vbit d24, d2, d4
|
|
|
|
vadd.s16 d0, d22, \tmp3 @ p1 + f
|
|
vsub.s16 d2, d25, \tmp3 @ q1 - f
|
|
.if \wd >= 8
|
|
vmov r8, r9, d6
|
|
.endif
|
|
vmin.s16 d0, d0, \tmp6
|
|
vmin.s16 d2, d2, \tmp6
|
|
.if \wd >= 8
|
|
orrs r8, r8, r9
|
|
.endif
|
|
vmax.s16 d0, d0, \tmp5 @ out p1
|
|
vmax.s16 d2, d2, \tmp5 @ out q1
|
|
vbit d22, d0, d5 @ if (!hev && fm && !flat8in)
|
|
vbit d25, d2, d5
|
|
|
|
.if \wd >= 8
|
|
@ If no pixels need flat8in, jump to flat8out
|
|
@ (or to a writeout of the inner 4 pixels, for wd=8)
|
|
beq 6f
|
|
|
|
@ flat8in
|
|
vadd.u16 \tmp1, d20, d21
|
|
vadd.u16 \tmp3, d22, d25
|
|
vadd.u16 \tmp5, d20, d22
|
|
vadd.u16 \tmp7, d23, d26
|
|
vadd.u16 d0, \tmp1, \tmp1
|
|
vadd.u16 d0, d0, d23
|
|
vadd.u16 d0, d0, d24
|
|
vadd.u16 d0, d0, \tmp5
|
|
vsub.s16 \tmp3, \tmp3, \tmp1
|
|
vsub.s16 \tmp7, \tmp7, \tmp5
|
|
vrshr.u16 d2, d0, #3 @ out p2
|
|
|
|
vadd.u16 d0, d0, \tmp3
|
|
vadd.u16 \tmp1, d20, d23
|
|
vadd.u16 \tmp3, d24, d27
|
|
vrshr.u16 d3, d0, #3 @ out p1
|
|
|
|
vadd.u16 d0, d0, \tmp7
|
|
vsub.s16 \tmp3, \tmp3, \tmp1
|
|
vadd.u16 \tmp5, d21, d24
|
|
vadd.u16 \tmp7, d25, d27
|
|
vrshr.u16 d4, d0, #3 @ out p0
|
|
|
|
vadd.u16 d0, d0, \tmp3
|
|
vsub.s16 \tmp7, \tmp7, \tmp5
|
|
vadd.u16 \tmp1, d22, d25
|
|
vadd.u16 \tmp3, d26, d27
|
|
vrshr.u16 d5, d0, #3 @ out d0
|
|
|
|
vadd.u16 d0, d0, \tmp7
|
|
vsub.s16 \tmp3, \tmp3, \tmp1
|
|
vrshr.u16 \tmp5, d0, #3 @ out q1
|
|
|
|
vadd.u16 d0, d0, \tmp3
|
|
@ The output here is written back into the input registers. This doesn't
|
|
@ matter for the flat8out part below, since we only update those pixels
|
|
@ which won't be touched below.
|
|
vbit d21, d2, d6
|
|
vbit d22, d3, d6
|
|
vbit d23, d4, d6
|
|
vrshr.u16 \tmp6, d0, #3 @ out q2
|
|
vbit d24, d5, d6
|
|
vbit d25, \tmp5, d6
|
|
vbit d26, \tmp6, d6
|
|
.endif
|
|
.if \wd == 16
|
|
6:
|
|
vorr d2, d6, d7
|
|
vmov r8, r9, d2
|
|
orrs r8, r8, r9
|
|
@ If no pixels needed flat8in nor flat8out, jump to a
|
|
@ writeout of the inner 4 pixels
|
|
beq 7f
|
|
vmov r8, r9, d7
|
|
orrs r8, r8, r9
|
|
@ If no pixels need flat8out, jump to a writeout of the inner 6 pixels
|
|
beq 8f
|
|
|
|
@ flat8out
|
|
@ This writes all outputs into d2-d17 (skipping d6 and d16).
|
|
@ If this part is skipped, the output is read from d21-d26 (which is the input
|
|
@ to this section).
|
|
vshl.u16 d0, d16, #3 @ 8 * d16
|
|
vsub.u16 d0, d0, d16 @ 7 * d16
|
|
vadd.u16 d0, d0, d17
|
|
vadd.u16 d8, d17, d18
|
|
vadd.u16 d10, d19, d20
|
|
vadd.s16 d0, d0, d8
|
|
vadd.u16 d8, d16, d17
|
|
vadd.u16 d12, d21, d22
|
|
vadd.s16 d0, d0, d10
|
|
vadd.u16 d10, d18, d25
|
|
vadd.u16 d14, d23, d24
|
|
vsub.s16 d10, d10, d8
|
|
vadd.s16 d0, d0, d12
|
|
vadd.s16 d0, d0, d14
|
|
vadd.u16 d12, d16, d18
|
|
vadd.u16 d14, d19, d26
|
|
vrshr.u16 d2, d0, #4
|
|
|
|
vadd.s16 d0, d0, d10
|
|
vadd.u16 d8, d16, d19
|
|
vadd.u16 d10, d20, d27
|
|
vsub.s16 d14, d14, d12
|
|
vbif d2, d17, d7
|
|
vrshr.u16 d3, d0, #4
|
|
|
|
vadd.s16 d0, d0, d14
|
|
vadd.u16 d12, d16, d20
|
|
vadd.u16 d14, d21, d28
|
|
vsub.s16 d10, d10, d8
|
|
vbif d3, d18, d7
|
|
vrshr.u16 d4, d0, #4
|
|
|
|
vadd.s16 d0, d0, d10
|
|
vadd.u16 d8, d16, d21
|
|
vadd.u16 d10, d22, d29
|
|
vsub.s16 d14, d14, d12
|
|
vbif d4, d19, d7
|
|
vrshr.u16 d5, d0, #4
|
|
|
|
vadd.s16 d0, d0, d14
|
|
vadd.u16 d12, d16, d22
|
|
vadd.u16 d14, d23, d30
|
|
vsub.s16 d10, d10, d8
|
|
vbif d5, d20, d7
|
|
vrshr.u16 d6, d0, #4
|
|
|
|
vadd.s16 d0, d0, d10
|
|
vadd.u16 d10, d16, d23
|
|
vsub.s16 d14, d14, d12
|
|
vadd.u16 d12, d24, d31
|
|
vbif d6, d21, d7
|
|
vrshr.u16 d8, d0, #4
|
|
|
|
vadd.s16 d0, d0, d14
|
|
vsub.s16 d10, d12, d10
|
|
vadd.u16 d12, d17, d24
|
|
vadd.u16 d14, d25, d31
|
|
vbif d8, d22, d7
|
|
vrshr.u16 d9, d0, #4
|
|
|
|
vadd.s16 d0, d0, d10
|
|
vsub.s16 d14, d14, d12
|
|
vadd.u16 d12, d26, d31
|
|
vbif d9, d23, d7
|
|
vrshr.u16 d10, d0, #4
|
|
|
|
vadd.s16 d0, d0, d14
|
|
vadd.u16 d14, d18, d25
|
|
vadd.u16 d18, d19, d26
|
|
vsub.s16 d12, d12, d14
|
|
vadd.u16 d14, d27, d31
|
|
vbif d10, d24, d7
|
|
vrshr.u16 d11, d0, #4
|
|
|
|
vadd.s16 d0, d0, d12
|
|
vadd.u16 d12, d20, d27
|
|
vsub.s16 d14, d14, d18
|
|
vadd.u16 d18, d28, d31
|
|
vbif d11, d25, d7
|
|
vsub.s16 d18, d18, d12
|
|
vrshr.u16 d12, d0, #4
|
|
|
|
vadd.s16 d0, d0, d14
|
|
vadd.u16 d14, d21, d28
|
|
vadd.u16 d20, d29, d31
|
|
vbif d12, d26, d7
|
|
vrshr.u16 d13, d0, #4
|
|
|
|
vadd.s16 d0, d0, d18
|
|
vsub.s16 d20, d20, d14
|
|
vadd.u16 d18, d22, d29
|
|
vadd.u16 d22, d30, d31
|
|
vbif d13, d27, d7
|
|
vrshr.u16 d14, d0, #4
|
|
|
|
vadd.s16 d0, d0, d20
|
|
vsub.s16 d22, d22, d18
|
|
vbif d14, d28, d7
|
|
vrshr.u16 d15, d0, #4
|
|
|
|
vadd.s16 d0, d0, d22
|
|
vbif d15, d29, d7
|
|
vrshr.u16 d17, d0, #4
|
|
vbif d17, d30, d7
|
|
.endif
|
|
.endm
|
|
|
|
.macro loop_filter_q_4
|
|
loop_filter_q 4
|
|
.endm
|
|
|
|
.macro loop_filter_q_8
|
|
loop_filter_q 8
|
|
.endm
|
|
|
|
.macro loop_filter_16
|
|
loop_filter 16, d8, d9, d10, d11, d12, d13, d14, d15
|
|
.endm
|
|
|
|
|
|
@ The public functions in this file have got the following signature:
|
|
@ void loop_filter(uint8_t *dst, ptrdiff_t stride, int mb_lim, int lim, int hev_thr);
|
|
|
|
.macro bpp_frontend func, bpp
|
|
function ff_\func\()_\bpp\()_neon, export=1
|
|
push {r4-r9,lr}
|
|
ldr r4, [sp, #28]
|
|
vpush {q4-q7}
|
|
lsl r2, r2, #\bpp - 8
|
|
lsl r3, r3, #\bpp - 8
|
|
lsl r4, r4, #\bpp - 8
|
|
mov r5, #1 << (\bpp - 8)
|
|
mov r6, #16 - \bpp
|
|
movw r7, #((1 << \bpp) - 1)
|
|
bl \func\()_16_neon
|
|
vpop {q4-q7}
|
|
pop {r4-r9,pc}
|
|
endfunc
|
|
.endm
|
|
|
|
.macro bpp_frontends func
|
|
bpp_frontend \func, 10
|
|
bpp_frontend \func, 12
|
|
.endm
|
|
|
|
.macro bpp_frontend_rep func, suffix, int_suffix, rep, dir, bpp
|
|
function ff_\func\()_\suffix\()_\bpp\()_neon, export=1
|
|
push {r4-r9,lr}
|
|
ldr r4, [sp, #28]
|
|
vpush {q4-q7}
|
|
lsl r2, r2, #\bpp - 8
|
|
lsl r3, r3, #\bpp - 8
|
|
lsl r4, r4, #\bpp - 8
|
|
mov r5, #1 << (\bpp - 8)
|
|
mov r6, #16 - \bpp
|
|
movw r7, #((1 << \bpp) - 1)
|
|
bl \func\()_\int_suffix\()_16_neon
|
|
.ifc \dir,h
|
|
add r0, r0, r1, lsl #2
|
|
.else
|
|
add r0, r0, #8
|
|
.endif
|
|
bl \func\()_\int_suffix\()_16_neon
|
|
.if \rep >= 4
|
|
.ifc \dir,h
|
|
add r0, r0, r1, lsl #2
|
|
bl \func\()_\int_suffix\()_16_neon
|
|
add r0, r0, r1, lsl #2
|
|
bl \func\()_\int_suffix\()_16_neon
|
|
.else
|
|
add r0, r0, #8
|
|
bl \func\()_\int_suffix\()_16_neon
|
|
add r0, r0, #8
|
|
bl \func\()_\int_suffix\()_16_neon
|
|
.endif
|
|
.endif
|
|
vpop {q4-q7}
|
|
pop {r4-r9,pc}
|
|
endfunc
|
|
.endm
|
|
|
|
.macro bpp_frontends_rep func, suffix, int_suffix, rep, dir
|
|
bpp_frontend_rep \func, \suffix, \int_suffix, \rep, \dir, 10
|
|
bpp_frontend_rep \func, \suffix, \int_suffix, \rep, \dir, 12
|
|
.endm
|
|
|
|
.macro bpp_frontend_mix2 wd1, wd2, dir, bpp
|
|
function ff_vp9_loop_filter_\dir\()_\wd1\()\wd2\()_16_\bpp\()_neon, export=1
|
|
push {r4-r9,lr}
|
|
ldr r4, [sp, #28]
|
|
vpush {q4-q7}
|
|
push {r2, r3, r4}
|
|
and r2, r2, #0xff
|
|
and r3, r3, #0xff
|
|
and r4, r4, #0xff
|
|
lsl r2, r2, #\bpp - 8
|
|
lsl r3, r3, #\bpp - 8
|
|
lsl r4, r4, #\bpp - 8
|
|
mov r5, #1 << (\bpp - 8)
|
|
mov r6, #16 - \bpp
|
|
movw r7, #((1 << \bpp) - 1)
|
|
bl vp9_loop_filter_\dir\()_\wd1\()_8_16_neon
|
|
.ifc \dir,h
|
|
add r0, r0, r1, lsl #3
|
|
.else
|
|
add r0, r0, #16
|
|
.endif
|
|
pop {r2, r3, r4}
|
|
lsr r2, r2, #8
|
|
lsr r3, r3, #8
|
|
lsr r4, r4, #8
|
|
lsl r2, r2, #\bpp - 8
|
|
lsl r3, r3, #\bpp - 8
|
|
lsl r4, r4, #\bpp - 8
|
|
bl vp9_loop_filter_\dir\()_\wd2\()_8_16_neon
|
|
vpop {q4-q7}
|
|
pop {r4-r9,pc}
|
|
endfunc
|
|
.endm
|
|
|
|
.macro bpp_frontends_mix2 wd1, wd2
|
|
bpp_frontend_mix2 \wd1, \wd2, v, 10
|
|
bpp_frontend_mix2 \wd1, \wd2, v, 12
|
|
bpp_frontend_mix2 \wd1, \wd2, h, 10
|
|
bpp_frontend_mix2 \wd1, \wd2, h, 12
|
|
.endm
|
|
|
|
function vp9_loop_filter_v_4_8_16_neon
|
|
sub r12, r0, r1, lsl #2
|
|
vld1.16 {q8}, [r12,:128], r1 @ p3
|
|
vld1.16 {q12}, [r0, :128], r1 @ q0
|
|
vld1.16 {q9}, [r12,:128], r1 @ p2
|
|
vld1.16 {q13}, [r0, :128], r1 @ q1
|
|
vld1.16 {q10}, [r12,:128], r1 @ p1
|
|
vld1.16 {q14}, [r0, :128], r1 @ q2
|
|
vld1.16 {q11}, [r12,:128], r1 @ p0
|
|
vld1.16 {q15}, [r0, :128], r1 @ q3
|
|
sub r0, r0, r1, lsl #2
|
|
sub r12, r12, r1, lsl #1
|
|
|
|
loop_filter_q_4
|
|
|
|
vst1.16 {q10}, [r12,:128], r1
|
|
vst1.16 {q12}, [r0, :128], r1
|
|
vst1.16 {q11}, [r12,:128], r1
|
|
vst1.16 {q13}, [r0, :128], r1
|
|
sub r0, r0, r1, lsl #1
|
|
9:
|
|
bx lr
|
|
endfunc
|
|
|
|
bpp_frontends vp9_loop_filter_v_4_8
|
|
|
|
|
|
function vp9_loop_filter_h_4_8_16_neon
|
|
sub r12, r0, #8
|
|
add r0, r12, r1, lsl #2
|
|
vld1.16 {q8}, [r12,:64], r1
|
|
vld1.16 {q12}, [r0, :64], r1
|
|
vld1.16 {q9}, [r12,:64], r1
|
|
vld1.16 {q13}, [r0, :64], r1
|
|
vld1.16 {q10}, [r12,:64], r1
|
|
vld1.16 {q14}, [r0, :64], r1
|
|
vld1.16 {q11}, [r12,:64], r1
|
|
vld1.16 {q15}, [r0, :64], r1
|
|
|
|
sub r12, r12, r1, lsl #2
|
|
sub r0, r0, r1, lsl #2
|
|
@ Move r0/r12 forward by 2 pixels; we don't need to rewrite the
|
|
@ outermost 2 pixels since they aren't changed.
|
|
add r12, r12, #4
|
|
add r0, r0, #4
|
|
|
|
transpose16_q_8x8 q8, q9, q10, q11, q12, q13, q14, q15, d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31
|
|
|
|
loop_filter_q_4
|
|
|
|
@ We only will write the mid 4 pixels back; after the loop filter,
|
|
@ these are in q10, q11, q12, q13, ordered as rows (8x4 pixels).
|
|
@ We need to transpose them to columns, done with a
|
|
@ 4x4 transpose (which in practice is two 4x4 transposes of the two
|
|
@ 4x4 halves of the 8x4 pixels; into 4x8 pixels).
|
|
transpose16_4x4 q10, q11, q12, q13
|
|
|
|
vst1.16 {d20}, [r12], r1
|
|
vst1.16 {d21}, [r0], r1
|
|
vst1.16 {d22}, [r12], r1
|
|
vst1.16 {d23}, [r0], r1
|
|
vst1.16 {d24}, [r12], r1
|
|
vst1.16 {d25}, [r0], r1
|
|
vst1.16 {d26}, [r12], r1
|
|
vst1.16 {d27}, [r0], r1
|
|
sub r12, r12, r1, lsl #2
|
|
9:
|
|
add r0, r12, #4
|
|
bx lr
|
|
endfunc
|
|
|
|
bpp_frontends vp9_loop_filter_h_4_8
|
|
|
|
|
|
function vp9_loop_filter_v_8_8_16_neon
|
|
sub r12, r0, r1, lsl #2
|
|
vld1.16 {q8}, [r12,:128], r1 @ p3
|
|
vld1.16 {q12}, [r0, :128], r1 @ q0
|
|
vld1.16 {q9}, [r12,:128], r1 @ p2
|
|
vld1.16 {q13}, [r0, :128], r1 @ q1
|
|
vld1.16 {q10}, [r12,:128], r1 @ p1
|
|
vld1.16 {q14}, [r0, :128], r1 @ q2
|
|
vld1.16 {q11}, [r12,:128], r1 @ p0
|
|
vld1.16 {q15}, [r0, :128], r1 @ q3
|
|
sub r12, r12, r1, lsl #2
|
|
sub r0, r0, r1, lsl #2
|
|
add r12, r12, r1
|
|
|
|
loop_filter_q_8
|
|
|
|
vst1.16 {q9}, [r12,:128], r1
|
|
vst1.16 {q12}, [r0, :128], r1
|
|
vst1.16 {q10}, [r12,:128], r1
|
|
vst1.16 {q13}, [r0, :128], r1
|
|
vst1.16 {q11}, [r12,:128], r1
|
|
vst1.16 {q14}, [r0, :128], r1
|
|
sub r0, r0, r1, lsl #1
|
|
sub r0, r0, r1
|
|
9:
|
|
bx lr
|
|
6:
|
|
sub r12, r0, r1, lsl #1
|
|
vst1.16 {q10}, [r12,:128], r1
|
|
vst1.16 {q12}, [r0, :128], r1
|
|
vst1.16 {q11}, [r12,:128], r1
|
|
vst1.16 {q13}, [r0, :128], r1
|
|
sub r0, r0, r1, lsl #1
|
|
bx lr
|
|
endfunc
|
|
|
|
bpp_frontends vp9_loop_filter_v_8_8
|
|
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function vp9_loop_filter_h_8_8_16_neon
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sub r12, r0, #8
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add r0, r12, r1, lsl #2
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vld1.16 {q8}, [r12,:64], r1
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vld1.16 {q12}, [r0, :64], r1
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vld1.16 {q9}, [r12,:64], r1
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vld1.16 {q13}, [r0, :64], r1
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vld1.16 {q10}, [r12,:64], r1
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vld1.16 {q14}, [r0, :64], r1
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vld1.16 {q11}, [r12,:64], r1
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vld1.16 {q15}, [r0, :64], r1
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sub r12, r12, r1, lsl #2
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sub r0, r0, r1, lsl #2
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transpose16_q_8x8 q8, q9, q10, q11, q12, q13, q14, q15, d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31
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loop_filter_q_8
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@ Even though only 6 pixels per row have been changed, we write the
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@ full 8 pixel registers.
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transpose16_q_8x8 q8, q9, q10, q11, q12, q13, q14, q15, d16, d17, d18, d19, d20, d21, d22, d23, d24, d25, d26, d27, d28, d29, d30, d31
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vst1.16 {q8}, [r12,:64], r1
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vst1.16 {q12}, [r0, :64], r1
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vst1.16 {q9}, [r12,:64], r1
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vst1.16 {q13}, [r0, :64], r1
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vst1.16 {q10}, [r12,:64], r1
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vst1.16 {q14}, [r0, :64], r1
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vst1.16 {q11}, [r12,:64], r1
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vst1.16 {q15}, [r0, :64], r1
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sub r12, r12, r1, lsl #2
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9:
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add r0, r12, #8
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bx lr
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6:
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@ If we didn't need to do the flat8in part, we use the same writeback
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@ as in loop_filter_h_4_8.
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add r12, r12, #4
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add r0, r0, #4
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transpose16_4x4 q10, q11, q12, q13
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vst1.16 {d20}, [r12], r1
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vst1.16 {d21}, [r0], r1
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vst1.16 {d22}, [r12], r1
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vst1.16 {d23}, [r0], r1
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vst1.16 {d24}, [r12], r1
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vst1.16 {d25}, [r0], r1
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vst1.16 {d26}, [r12], r1
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vst1.16 {d27}, [r0], r1
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sub r12, r12, r1, lsl #2
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add r0, r12, #4
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bx lr
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endfunc
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bpp_frontends vp9_loop_filter_h_8_8
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bpp_frontends_mix2 4, 4
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bpp_frontends_mix2 4, 8
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bpp_frontends_mix2 8, 4
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bpp_frontends_mix2 8, 8
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function vp9_loop_filter_v_16_4_16_neon
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sub r12, r0, r1, lsl #3
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@ Read p7-p0 using r12 and q0-q7 using r0
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vld1.16 {d16}, [r12,:64], r1 @ p7
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vld1.16 {d24}, [r0, :64], r1 @ q0
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vld1.16 {d17}, [r12,:64], r1 @ p6
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vld1.16 {d25}, [r0, :64], r1 @ q1
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vld1.16 {d18}, [r12,:64], r1 @ p5
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vld1.16 {d26}, [r0, :64], r1 @ q2
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vld1.16 {d19}, [r12,:64], r1 @ p4
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vld1.16 {d27}, [r0, :64], r1 @ q3
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vld1.16 {d20}, [r12,:64], r1 @ p3
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vld1.16 {d28}, [r0, :64], r1 @ q4
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vld1.16 {d21}, [r12,:64], r1 @ p2
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vld1.16 {d29}, [r0, :64], r1 @ q5
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vld1.16 {d22}, [r12,:64], r1 @ p1
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vld1.16 {d30}, [r0, :64], r1 @ q6
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vld1.16 {d23}, [r12,:64], r1 @ p0
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vld1.16 {d31}, [r0, :64], r1 @ q7
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sub r12, r12, r1, lsl #3
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sub r0, r0, r1, lsl #3
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add r12, r12, r1
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loop_filter_16
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@ If we did the flat8out part, we get the output in
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@ d2-d17 (skipping d7 and d16). r12 points to r0 - 7 * stride,
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@ store d2-d9 there, and d10-d17 into r0.
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vst1.16 {d2}, [r12,:64], r1
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vst1.16 {d10}, [r0, :64], r1
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vst1.16 {d3}, [r12,:64], r1
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vst1.16 {d11}, [r0, :64], r1
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vst1.16 {d4}, [r12,:64], r1
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vst1.16 {d12}, [r0, :64], r1
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vst1.16 {d5}, [r12,:64], r1
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vst1.16 {d13}, [r0, :64], r1
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vst1.16 {d6}, [r12,:64], r1
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vst1.16 {d14}, [r0, :64], r1
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vst1.16 {d8}, [r12,:64], r1
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vst1.16 {d15}, [r0, :64], r1
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vst1.16 {d9}, [r12,:64], r1
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vst1.16 {d17}, [r0, :64], r1
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sub r0, r0, r1, lsl #3
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add r0, r0, r1
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9:
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bx lr
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8:
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add r12, r12, r1, lsl #2
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@ If we didn't do the flat8out part, the output is left in the
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@ input registers.
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vst1.16 {d21}, [r12,:64], r1
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vst1.16 {d24}, [r0, :64], r1
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vst1.16 {d22}, [r12,:64], r1
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vst1.16 {d25}, [r0, :64], r1
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vst1.16 {d23}, [r12,:64], r1
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vst1.16 {d26}, [r0, :64], r1
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sub r0, r0, r1, lsl #1
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sub r0, r0, r1
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bx lr
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7:
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sub r12, r0, r1, lsl #1
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vst1.16 {d22}, [r12,:64], r1
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vst1.16 {d24}, [r0, :64], r1
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vst1.16 {d23}, [r12,:64], r1
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vst1.16 {d25}, [r0, :64], r1
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sub r0, r0, r1, lsl #1
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bx lr
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endfunc
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bpp_frontends_rep vp9_loop_filter_v_16, 8, 4, 2, v
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bpp_frontends_rep vp9_loop_filter_v_16, 16, 4, 4, v
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function vp9_loop_filter_h_16_4_16_neon
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sub r12, r0, #16
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sub r0, r0, #8
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vld1.16 {d16}, [r12,:64], r1
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vld1.16 {d20}, [r0, :64], r1
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vld1.16 {d17}, [r12,:64], r1
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vld1.16 {d21}, [r0, :64], r1
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vld1.16 {d18}, [r12,:64], r1
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vld1.16 {d22}, [r0, :64], r1
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vld1.16 {d19}, [r12,:64], r1
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vld1.16 {d23}, [r0, :64], r1
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sub r12, r12, r1, lsl #2
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sub r0, r0, r1, lsl #2
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add r12, r12, #16
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add r0, r0, #16
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vld1.16 {d24}, [r12,:64], r1
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vld1.16 {d28}, [r0, :64], r1
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vld1.16 {d25}, [r12,:64], r1
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vld1.16 {d29}, [r0, :64], r1
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vld1.16 {d26}, [r12,:64], r1
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vld1.16 {d30}, [r0, :64], r1
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vld1.16 {d27}, [r12,:64], r1
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vld1.16 {d31}, [r0, :64], r1
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sub r0, r0, r1, lsl #2
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sub r12, r12, r1, lsl #2
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sub r12, r12, #16
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sub r0, r0, #16
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@ The 16x4 pixels read above is in four 4x4 blocks
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transpose16_q_4x4 q8, q9, d16, d17, d18, d19
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transpose16_q_4x4 q10, q11, d20, d21, d22, d23
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transpose16_q_4x4 q12, q13, d24, d25, d26, d27
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transpose16_q_4x4 q14, q15, d28, d29, d30, d31
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loop_filter_16
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@ Transpose back; this is the same transpose as above, but
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@ we can't take advantage of q registers for the transpose, since
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@ all d registers in the transpose aren't consecutive.
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transpose16_4x4 d16, d2, d3, d4
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transpose16_4x4 d5, d6, d8, d9
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transpose16_4x4 d10, d11, d12, d13
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transpose16_4x4 d14, d15, d17, d31
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vst1.16 {d16}, [r12,:64], r1
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vst1.16 {d5}, [r0, :64], r1
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vst1.16 {d2}, [r12,:64], r1
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vst1.16 {d6}, [r0, :64], r1
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vst1.16 {d3}, [r12,:64], r1
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vst1.16 {d8}, [r0, :64], r1
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vst1.16 {d4}, [r12,:64], r1
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vst1.16 {d9}, [r0, :64], r1
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sub r12, r12, r1, lsl #2
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sub r0, r0, r1, lsl #2
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add r12, r12, #16
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add r0, r0, #16
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vst1.16 {d10}, [r12,:64], r1
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vst1.16 {d14}, [r0, :64], r1
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vst1.16 {d11}, [r12,:64], r1
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vst1.16 {d15}, [r0, :64], r1
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vst1.16 {d12}, [r12,:64], r1
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vst1.16 {d17}, [r0, :64], r1
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vst1.16 {d13}, [r12,:64], r1
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vst1.16 {d31}, [r0, :64], r1
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sub r0, r0, r1, lsl #2
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sub r0, r0, #8
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bx lr
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9:
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add r0, r0, #8
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bx lr
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8:
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add r12, r12, #8
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add r0, r0, #8
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transpose16_q_4x4 q10, q11, d20, d21, d22, d23
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transpose16_q_4x4 q12, q13, d24, d25, d26, d27
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vst1.16 {d20}, [r12,:64], r1
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vst1.16 {d24}, [r0, :64], r1
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vst1.16 {d21}, [r12,:64], r1
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vst1.16 {d25}, [r0, :64], r1
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vst1.16 {d22}, [r12,:64], r1
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vst1.16 {d26}, [r0, :64], r1
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vst1.16 {d23}, [r12,:64], r1
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vst1.16 {d27}, [r0, :64], r1
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sub r0, r0, r1, lsl #2
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bx lr
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7:
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add r12, r12, #12
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add r0, r12, r1, lsl #1
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transpose16_q_4x4 q11, q12, d22, d23, d24, d25
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vst1.16 {d22}, [r12], r1
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vst1.16 {d24}, [r0], r1
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vst1.16 {d23}, [r12], r1
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vst1.16 {d25}, [r0], r1
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sub r0, r0, r1, lsl #2
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add r0, r0, #4
|
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bx lr
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endfunc
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bpp_frontends_rep vp9_loop_filter_h_16, 8, 4, 2, h
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bpp_frontends_rep vp9_loop_filter_h_16, 16, 4, 4, h
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