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398 lines
14 KiB
ArmAsm
398 lines
14 KiB
ArmAsm
/*
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* ARM NEON optimised DSP functions
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
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* Copyright (c) 2013 Janne Grunau <janne-libav@jannau.net>
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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/aarch64/asm.S"
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.macro pixels16 rnd=1, avg=0
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.if \avg
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mov x12, x0
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.endif
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1: ld1 {v0.16B}, [x1], x2
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ld1 {v1.16B}, [x1], x2
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ld1 {v2.16B}, [x1], x2
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ld1 {v3.16B}, [x1], x2
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.if \avg
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ld1 {v4.16B}, [x12], x2
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urhadd v0.16B, v0.16B, v4.16B
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ld1 {v5.16B}, [x12], x2
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urhadd v1.16B, v1.16B, v5.16B
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ld1 {v6.16B}, [x12], x2
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urhadd v2.16B, v2.16B, v6.16B
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ld1 {v7.16B}, [x12], x2
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urhadd v3.16B, v3.16B, v7.16B
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.endif
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subs w3, w3, #4
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st1 {v0.16B}, [x0], x2
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st1 {v1.16B}, [x0], x2
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st1 {v2.16B}, [x0], x2
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st1 {v3.16B}, [x0], x2
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b.ne 1b
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ret
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.endm
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.macro pixels16_x2 rnd=1, avg=0
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1: ld1 {v0.16B, v1.16B}, [x1], x2
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ld1 {v2.16B, v3.16B}, [x1], x2
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subs w3, w3, #2
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ext v1.16B, v0.16B, v1.16B, #1
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avg v0.16B, v0.16B, v1.16B
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ext v3.16B, v2.16B, v3.16B, #1
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avg v2.16B, v2.16B, v3.16B
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.if \avg
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ld1 {v1.16B}, [x0], x2
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ld1 {v3.16B}, [x0]
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urhadd v0.16B, v0.16B, v1.16B
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urhadd v2.16B, v2.16B, v3.16B
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sub x0, x0, x2
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.endif
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st1 {v0.16B}, [x0], x2
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st1 {v2.16B}, [x0], x2
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b.ne 1b
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ret
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.endm
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.macro pixels16_y2 rnd=1, avg=0
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sub w3, w3, #2
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ld1 {v0.16B}, [x1], x2
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ld1 {v1.16B}, [x1], x2
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1: subs w3, w3, #2
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avg v2.16B, v0.16B, v1.16B
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ld1 {v0.16B}, [x1], x2
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avg v3.16B, v0.16B, v1.16B
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ld1 {v1.16B}, [x1], x2
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.if \avg
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ld1 {v4.16B}, [x0], x2
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ld1 {v5.16B}, [x0]
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urhadd v2.16B, v2.16B, v4.16B
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urhadd v3.16B, v3.16B, v5.16B
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sub x0, x0, x2
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.endif
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st1 {v2.16B}, [x0], x2
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st1 {v3.16B}, [x0], x2
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b.ne 1b
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avg v2.16B, v0.16B, v1.16B
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ld1 {v0.16B}, [x1], x2
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avg v3.16B, v0.16B, v1.16B
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.if \avg
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ld1 {v4.16B}, [x0], x2
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ld1 {v5.16B}, [x0]
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urhadd v2.16B, v2.16B, v4.16B
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urhadd v3.16B, v3.16B, v5.16B
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sub x0, x0, x2
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.endif
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st1 {v2.16B}, [x0], x2
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st1 {v3.16B}, [x0], x2
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ret
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.endm
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.macro pixels16_xy2 rnd=1, avg=0
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sub w3, w3, #2
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ld1 {v0.16B, v1.16B}, [x1], x2
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ld1 {v4.16B, v5.16B}, [x1], x2
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NRND movi v26.8H, #1
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ext v1.16B, v0.16B, v1.16B, #1
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ext v5.16B, v4.16B, v5.16B, #1
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uaddl v16.8H, v0.8B, v1.8B
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uaddl2 v20.8H, v0.16B, v1.16B
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uaddl v18.8H, v4.8B, v5.8B
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uaddl2 v22.8H, v4.16B, v5.16B
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1: subs w3, w3, #2
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ld1 {v0.16B, v1.16B}, [x1], x2
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add v24.8H, v16.8H, v18.8H
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NRND add v24.8H, v24.8H, v26.8H
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ext v30.16B, v0.16B, v1.16B, #1
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add v1.8H, v20.8H, v22.8H
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mshrn v28.8B, v24.8H, #2
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NRND add v1.8H, v1.8H, v26.8H
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mshrn2 v28.16B, v1.8H, #2
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.if \avg
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ld1 {v16.16B}, [x0]
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urhadd v28.16B, v28.16B, v16.16B
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.endif
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uaddl v16.8H, v0.8B, v30.8B
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ld1 {v2.16B, v3.16B}, [x1], x2
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uaddl2 v20.8H, v0.16B, v30.16B
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st1 {v28.16B}, [x0], x2
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add v24.8H, v16.8H, v18.8H
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NRND add v24.8H, v24.8H, v26.8H
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ext v3.16B, v2.16B, v3.16B, #1
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add v0.8H, v20.8H, v22.8H
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mshrn v30.8B, v24.8H, #2
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NRND add v0.8H, v0.8H, v26.8H
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mshrn2 v30.16B, v0.8H, #2
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.if \avg
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ld1 {v18.16B}, [x0]
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urhadd v30.16B, v30.16B, v18.16B
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.endif
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uaddl v18.8H, v2.8B, v3.8B
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uaddl2 v22.8H, v2.16B, v3.16B
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st1 {v30.16B}, [x0], x2
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b.gt 1b
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ld1 {v0.16B, v1.16B}, [x1], x2
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add v24.8H, v16.8H, v18.8H
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NRND add v24.8H, v24.8H, v26.8H
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ext v30.16B, v0.16B, v1.16B, #1
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add v1.8H, v20.8H, v22.8H
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mshrn v28.8B, v24.8H, #2
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NRND add v1.8H, v1.8H, v26.8H
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mshrn2 v28.16B, v1.8H, #2
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.if \avg
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ld1 {v16.16B}, [x0]
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urhadd v28.16B, v28.16B, v16.16B
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.endif
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uaddl v16.8H, v0.8B, v30.8B
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uaddl2 v20.8H, v0.16B, v30.16B
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st1 {v28.16B}, [x0], x2
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add v24.8H, v16.8H, v18.8H
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NRND add v24.8H, v24.8H, v26.8H
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add v0.8H, v20.8H, v22.8H
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mshrn v30.8B, v24.8H, #2
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NRND add v0.8H, v0.8H, v26.8H
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mshrn2 v30.16B, v0.8H, #2
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.if \avg
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ld1 {v18.16B}, [x0]
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urhadd v30.16B, v30.16B, v18.16B
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.endif
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st1 {v30.16B}, [x0], x2
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ret
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.endm
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.macro pixels8 rnd=1, avg=0
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1: ld1 {v0.8B}, [x1], x2
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ld1 {v1.8B}, [x1], x2
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ld1 {v2.8B}, [x1], x2
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ld1 {v3.8B}, [x1], x2
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.if \avg
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ld1 {v4.8B}, [x0], x2
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urhadd v0.8B, v0.8B, v4.8B
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ld1 {v5.8B}, [x0], x2
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urhadd v1.8B, v1.8B, v5.8B
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ld1 {v6.8B}, [x0], x2
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urhadd v2.8B, v2.8B, v6.8B
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ld1 {v7.8B}, [x0], x2
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urhadd v3.8B, v3.8B, v7.8B
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sub x0, x0, x2, lsl #2
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.endif
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subs w3, w3, #4
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st1 {v0.8B}, [x0], x2
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st1 {v1.8B}, [x0], x2
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st1 {v2.8B}, [x0], x2
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st1 {v3.8B}, [x0], x2
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b.ne 1b
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ret
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.endm
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.macro pixels8_x2 rnd=1, avg=0
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1: ld1 {v0.8B, v1.8B}, [x1], x2
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ext v1.8B, v0.8B, v1.8B, #1
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ld1 {v2.8B, v3.8B}, [x1], x2
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ext v3.8B, v2.8B, v3.8B, #1
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subs w3, w3, #2
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avg v0.8B, v0.8B, v1.8B
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avg v2.8B, v2.8B, v3.8B
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.if \avg
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ld1 {v4.8B}, [x0], x2
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ld1 {v5.8B}, [x0]
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urhadd v0.8B, v0.8B, v4.8B
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urhadd v2.8B, v2.8B, v5.8B
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sub x0, x0, x2
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.endif
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st1 {v0.8B}, [x0], x2
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st1 {v2.8B}, [x0], x2
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b.ne 1b
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ret
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.endm
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.macro pixels8_y2 rnd=1, avg=0
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sub w3, w3, #2
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ld1 {v0.8B}, [x1], x2
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ld1 {v1.8B}, [x1], x2
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1: subs w3, w3, #2
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avg v4.8B, v0.8B, v1.8B
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ld1 {v0.8B}, [x1], x2
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avg v5.8B, v0.8B, v1.8B
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ld1 {v1.8B}, [x1], x2
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.if \avg
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ld1 {v2.8B}, [x0], x2
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ld1 {v3.8B}, [x0]
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urhadd v4.8B, v4.8B, v2.8B
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urhadd v5.8B, v5.8B, v3.8B
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sub x0, x0, x2
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.endif
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st1 {v4.8B}, [x0], x2
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st1 {v5.8B}, [x0], x2
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b.ne 1b
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avg v4.8B, v0.8B, v1.8B
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ld1 {v0.8B}, [x1], x2
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avg v5.8B, v0.8B, v1.8B
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.if \avg
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ld1 {v2.8B}, [x0], x2
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ld1 {v3.8B}, [x0]
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urhadd v4.8B, v4.8B, v2.8B
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urhadd v5.8B, v5.8B, v3.8B
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sub x0, x0, x2
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.endif
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st1 {v4.8B}, [x0], x2
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st1 {v5.8B}, [x0], x2
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ret
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.endm
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.macro pixels8_xy2 rnd=1, avg=0
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sub w3, w3, #2
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ld1 {v0.16B}, [x1], x2
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ld1 {v1.16B}, [x1], x2
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NRND movi v19.8H, #1
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ext v4.16B, v0.16B, v4.16B, #1
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ext v6.16B, v1.16B, v6.16B, #1
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uaddl v16.8H, v0.8B, v4.8B
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uaddl v17.8H, v1.8B, v6.8B
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1: subs w3, w3, #2
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ld1 {v0.16B}, [x1], x2
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add v18.8H, v16.8H, v17.8H
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ext v4.16B, v0.16B, v4.16B, #1
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NRND add v18.8H, v18.8H, v19.8H
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uaddl v16.8H, v0.8B, v4.8B
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mshrn v5.8B, v18.8H, #2
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ld1 {v1.16B}, [x1], x2
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add v18.8H, v16.8H, v17.8H
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.if \avg
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ld1 {v7.8B}, [x0]
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urhadd v5.8B, v5.8B, v7.8B
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.endif
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NRND add v18.8H, v18.8H, v19.8H
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st1 {v5.8B}, [x0], x2
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mshrn v7.8B, v18.8H, #2
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.if \avg
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ld1 {v5.8B}, [x0]
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urhadd v7.8B, v7.8B, v5.8B
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.endif
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ext v6.16B, v1.16B, v6.16B, #1
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uaddl v17.8H, v1.8B, v6.8B
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st1 {v7.8B}, [x0], x2
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b.gt 1b
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ld1 {v0.16B}, [x1], x2
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add v18.8H, v16.8H, v17.8H
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ext v4.16B, v0.16B, v4.16B, #1
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NRND add v18.8H, v18.8H, v19.8H
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uaddl v16.8H, v0.8B, v4.8B
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mshrn v5.8B, v18.8H, #2
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add v18.8H, v16.8H, v17.8H
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.if \avg
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ld1 {v7.8B}, [x0]
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urhadd v5.8B, v5.8B, v7.8B
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.endif
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NRND add v18.8H, v18.8H, v19.8H
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st1 {v5.8B}, [x0], x2
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mshrn v7.8B, v18.8H, #2
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.if \avg
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ld1 {v5.8B}, [x0]
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urhadd v7.8B, v7.8B, v5.8B
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.endif
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st1 {v7.8B}, [x0], x2
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ret
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.endm
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.macro pixfunc pfx, name, suf, rnd=1, avg=0
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.if \rnd
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.macro avg rd, rn, rm
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urhadd \rd, \rn, \rm
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.endm
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.macro mshrn rd, rn, rm
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rshrn \rd, \rn, \rm
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.endm
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.macro mshrn2 rd, rn, rm
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rshrn2 \rd, \rn, \rm
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.endm
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.macro NRND insn:vararg
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.endm
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.else
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.macro avg rd, rn, rm
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uhadd \rd, \rn, \rm
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.endm
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.macro mshrn rd, rn, rm
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shrn \rd, \rn, \rm
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.endm
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.macro mshrn2 rd, rn, rm
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shrn2 \rd, \rn, \rm
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.endm
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.macro NRND insn:vararg
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\insn
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.endm
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.endif
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function ff_\pfx\name\suf\()_neon, export=1
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\name \rnd, \avg
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endfunc
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.purgem avg
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.purgem mshrn
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.purgem mshrn2
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.purgem NRND
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.endm
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.macro pixfunc2 pfx, name, avg=0
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pixfunc \pfx, \name, rnd=1, avg=\avg
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pixfunc \pfx, \name, _no_rnd, rnd=0, avg=\avg
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.endm
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function ff_put_h264_qpel16_mc00_neon, export=1
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mov w3, #16
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endfunc
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pixfunc put_, pixels16, avg=0
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pixfunc2 put_, pixels16_x2, avg=0
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pixfunc2 put_, pixels16_y2, avg=0
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pixfunc2 put_, pixels16_xy2, avg=0
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function ff_avg_h264_qpel16_mc00_neon, export=1
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mov w3, #16
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endfunc
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pixfunc avg_, pixels16, avg=1
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pixfunc2 avg_, pixels16_x2, avg=1
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pixfunc2 avg_, pixels16_y2, avg=1
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pixfunc2 avg_, pixels16_xy2, avg=1
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function ff_put_h264_qpel8_mc00_neon, export=1
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mov w3, #8
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endfunc
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pixfunc put_, pixels8, avg=0
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pixfunc2 put_, pixels8_x2, avg=0
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pixfunc2 put_, pixels8_y2, avg=0
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pixfunc2 put_, pixels8_xy2, avg=0
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function ff_avg_h264_qpel8_mc00_neon, export=1
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mov w3, #8
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endfunc
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pixfunc avg_, pixels8, avg=1
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pixfunc avg_, pixels8_x2, avg=1
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pixfunc avg_, pixels8_y2, avg=1
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pixfunc avg_, pixels8_xy2, avg=1
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