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libswresample/aarch64/resample.S
77 строк
5 KB
Martin Storsjö
aarch64: Fix a few misindented lines
01 мар 2025, 00:23
01 мар 2025, 00:23
b137347
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/* * Copyright (c) 2017 Matthieu Bouron <matthieu.bouron gmail.com> * * 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" function ff_resample_common_apply_filter_x4_float_neon, export=1 movi v0.4s, #0 // accumulator 1: ld1 {v1.4s}, [x1], #16 // src[0..3] ld1 {v2.4s}, [x2], #16 // filter[0..3] fmla v0.4s, v1.4s, v2.4s // accumulator += src[0..3] * filter[0..3] subs w3, w3, #4 // filter_length -= 4 b.gt 1b // loop until filter_length faddp v0.4s, v0.4s, v0.4s // pair adding of the 4x32-bit accumulated values faddp v0.4s, v0.4s, v0.4s // pair adding of the 4x32-bit accumulated values st1 {v0.s}[0], [x0], #4 // write accumulator ret endfunc function ff_resample_common_apply_filter_x8_float_neon, export=1 movi v0.4s, #0 // accumulator 1: ld1 {v1.4s}, [x1], #16 // src[0..3] ld1 {v2.4s}, [x2], #16 // filter[0..3] ld1 {v3.4s}, [x1], #16 // src[4..7] ld1 {v4.4s}, [x2], #16 // filter[4..7] fmla v0.4s, v1.4s, v2.4s // accumulator += src[0..3] * filter[0..3] fmla v0.4s, v3.4s, v4.4s // accumulator += src[4..7] * filter[4..7] subs w3, w3, #8 // filter_length -= 8 b.gt 1b // loop until filter_length faddp v0.4s, v0.4s, v0.4s // pair adding of the 4x32-bit accumulated values faddp v0.4s, v0.4s, v0.4s // pair adding of the 4x32-bit accumulated values st1 {v0.s}[0], [x0], #4 // write accumulator ret endfunc function ff_resample_common_apply_filter_x4_s16_neon, export=1 movi v0.4s, #0 // accumulator 1: ld1 {v1.4h}, [x1], #8 // src[0..3] ld1 {v2.4h}, [x2], #8 // filter[0..3] smlal v0.4s, v1.4h, v2.4h // accumulator += src[0..3] * filter[0..3] subs w3, w3, #4 // filter_length -= 4 b.gt 1b // loop until filter_length addp v0.4s, v0.4s, v0.4s // pair adding of the 4x32-bit accumulated values addp v0.4s, v0.4s, v0.4s // pair adding of the 4x32-bit accumulated values st1 {v0.s}[0], [x0], #4 // write accumulator ret endfunc function ff_resample_common_apply_filter_x8_s16_neon, export=1 movi v0.4s, #0 // accumulator 1: ld1 {v1.8h}, [x1], #16 // src[0..7] ld1 {v2.8h}, [x2], #16 // filter[0..7] smlal v0.4s, v1.4h, v2.4h // accumulator += src[0..3] * filter[0..3] smlal2 v0.4s, v1.8h, v2.8h // accumulator += src[4..7] * filter[4..7] subs w3, w3, #8 // filter_length -= 8 b.gt 1b // loop until filter_length addp v0.4s, v0.4s, v0.4s // pair adding of the 4x32-bit accumulated values addp v0.4s, v0.4s, v0.4s // pair adding of the 4x32-bit accumulated values st1 {v0.s}[0], [x0], #4 // write accumulator ret endfunc