/*
* Copyright ( c ) 2016 Google Inc .
*
* This file is part of FFmpeg .
*
* FFmpeg is free software ; you can redistribute it and / or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation ; either
* version 2 . 1 of the License , or ( at your option ) any later version .
*
* FFmpeg is distributed in the hope that it will be useful ,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the GNU
* Lesser General Public License for more details .
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg ; if not , write to the Free Software
* Foundation , Inc . , 51 Franklin Street , Fifth Floor , Boston , MA 02110 - 1301 USA
*/
#include "libavutil/aarch64/asm.S"
// All public functions in this file have the following signature:
// typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
// const uint8_t *ref, ptrdiff_t ref_stride,
// int h, int mx, int my);
function ff_vp9_copy128_aarch64, export=1
1 :
ldp x5, x6, [x2]
ldp x7, x8, [x2, #16 ]
stp x5, x6, [x0]
ldp x9, x10, [x2, #32 ]
stp x7, x8, [x0, #16 ]
subs w4, w4, #1
ldp x11, x12, [x2, #48 ]
stp x9, x10, [x0, #32 ]
stp x11, x12, [x0, #48 ]
ldp x5, x6, [x2, #64 ]
ldp x7, x8, [x2, #80 ]
stp x5, x6, [x0, #64 ]
ldp x9, x10, [x2, #96 ]
stp x7, x8, [x0, #80 ]
ldp x11, x12, [x2, #112 ]
stp x9, x10, [x0, #96 ]
stp x11, x12, [x0, #112 ]
add x2, x2, x3
add x0, x0, x1
b.ne 1 b
ret
endfunc
function ff_vp9_copy64_aarch64, export=1
1 :
ldp x5, x6, [x2]
ldp x7, x8, [x2, #16 ]
stp x5, x6, [x0]
ldp x9, x10, [x2, #32 ]
stp x7, x8, [x0, #16 ]
subs w4, w4, #1
ldp x11, x12, [x2, #48 ]
stp x9, x10, [x0, #32 ]
stp x11, x12, [x0, #48 ]
add x2, x2, x3
add x0, x0, x1
b.ne 1 b
ret
endfunc
function ff_vp9_copy32_aarch64, export=1
1 :
ldp x5, x6, [x2]
ldp x7, x8, [x2, #16 ]
stp x5, x6, [x0]
subs w4, w4, #1
stp x7, x8, [x0, #16 ]
add x2, x2, x3
add x0, x0, x1
b.ne 1 b
ret
endfunc
Messung V0.5 in Prozent C=94 H=83 G=88
¤ Dauer der Verarbeitung: 0.4 Sekunden
¤
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