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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /media/ffvpx/libavutil/x86/fixed_dsp.asm | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | media/ffvpx/libavutil/x86/fixed_dsp.asm | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/media/ffvpx/libavutil/x86/fixed_dsp.asm b/media/ffvpx/libavutil/x86/fixed_dsp.asm new file mode 100644 index 0000000000..2f411850f4 --- /dev/null +++ b/media/ffvpx/libavutil/x86/fixed_dsp.asm @@ -0,0 +1,48 @@ +;***************************************************************************** +;* x86-optimized Float DSP functions +;* +;* Copyright 2016 James Almer +;* +;* 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/x86/x86util.asm" + +SECTION .text + +;----------------------------------------------------------------------------- +; void ff_butterflies_fixed(float *src0, float *src1, int len); +;----------------------------------------------------------------------------- +INIT_XMM sse2 +cglobal butterflies_fixed, 3,3,3, src0, src1, len + shl lend, 2 + add src0q, lenq + add src1q, lenq + neg lenq + +align 16 +.loop: + mova m0, [src0q + lenq] + mova m1, [src1q + lenq] + mova m2, m0 + paddd m0, m1 + psubd m2, m1 + mova [src0q + lenq], m0 + mova [src1q + lenq], m2 + add lenq, mmsize + jl .loop + RET |