mirror of https://git.ffmpeg.org/ffmpeg.git
82 lines
2.8 KiB
ArmAsm
82 lines
2.8 KiB
ArmAsm
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/*
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* Copyright (c) 2016 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/aarch64/asm.S"
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// All public functions in this file have the following signature:
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// typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
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// const uint8_t *ref, ptrdiff_t ref_stride,
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// int h, int mx, int my);
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function ff_vp9_copy128_aarch64, export=1
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1:
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ldp x5, x6, [x2]
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ldp x7, x8, [x2, #16]
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stp x5, x6, [x0]
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ldp x9, x10, [x2, #32]
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stp x7, x8, [x0, #16]
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subs w4, w4, #1
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ldp x11, x12, [x2, #48]
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stp x9, x10, [x0, #32]
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stp x11, x12, [x0, #48]
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ldp x5, x6, [x2, #64]
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ldp x7, x8, [x2, #80]
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stp x5, x6, [x0, #64]
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ldp x9, x10, [x2, #96]
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stp x7, x8, [x0, #80]
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ldp x11, x12, [x2, #112]
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stp x9, x10, [x0, #96]
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stp x11, x12, [x0, #112]
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add x2, x2, x3
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add x0, x0, x1
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b.ne 1b
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ret
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endfunc
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function ff_vp9_copy64_aarch64, export=1
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1:
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ldp x5, x6, [x2]
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ldp x7, x8, [x2, #16]
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stp x5, x6, [x0]
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ldp x9, x10, [x2, #32]
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stp x7, x8, [x0, #16]
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subs w4, w4, #1
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ldp x11, x12, [x2, #48]
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stp x9, x10, [x0, #32]
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stp x11, x12, [x0, #48]
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add x2, x2, x3
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add x0, x0, x1
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b.ne 1b
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ret
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endfunc
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function ff_vp9_copy32_aarch64, export=1
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1:
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ldp x5, x6, [x2]
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ldp x7, x8, [x2, #16]
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stp x5, x6, [x0]
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subs w4, w4, #1
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stp x7, x8, [x0, #16]
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add x2, x2, x3
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add x0, x0, x1
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b.ne 1b
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ret
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endfunc
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