diff --git a/libavcodec/aarch64/vp9mc_aarch64.S b/libavcodec/aarch64/vp9mc_aarch64.S new file mode 100644 index 0000000000..f17a8cf04a --- /dev/null +++ b/libavcodec/aarch64/vp9mc_aarch64.S @@ -0,0 +1,81 @@ +/* + * 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 1b + 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 1b + 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 1b + ret +endfunc