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116 lines
4.0 KiB
116 lines
4.0 KiB
;****************************************************************************** |
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;* TAK DSP SIMD optimizations |
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;* |
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;* Copyright (C) 2015 Paul B Mahol |
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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/x86/x86util.asm" |
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SECTION_RODATA |
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pd_128: times 4 dd 128 |
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SECTION .text |
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INIT_XMM sse2 |
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cglobal tak_decorrelate_ls, 3, 3, 2, p1, p2, length |
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shl lengthd, 2 |
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add p1q, lengthq |
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add p2q, lengthq |
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neg lengthq |
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.loop: |
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mova m0, [p1q+lengthq+mmsize*0] |
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mova m1, [p1q+lengthq+mmsize*1] |
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paddd m0, [p2q+lengthq+mmsize*0] |
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paddd m1, [p2q+lengthq+mmsize*1] |
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mova [p2q+lengthq+mmsize*0], m0 |
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mova [p2q+lengthq+mmsize*1], m1 |
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add lengthq, mmsize*2 |
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jl .loop |
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REP_RET |
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cglobal tak_decorrelate_sr, 3, 3, 2, p1, p2, length |
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shl lengthd, 2 |
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add p1q, lengthq |
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add p2q, lengthq |
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neg lengthq |
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.loop: |
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mova m0, [p2q+lengthq+mmsize*0] |
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mova m1, [p2q+lengthq+mmsize*1] |
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psubd m0, [p1q+lengthq+mmsize*0] |
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psubd m1, [p1q+lengthq+mmsize*1] |
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mova [p1q+lengthq+mmsize*0], m0 |
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mova [p1q+lengthq+mmsize*1], m1 |
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add lengthq, mmsize*2 |
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jl .loop |
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REP_RET |
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cglobal tak_decorrelate_sm, 3, 3, 6, p1, p2, length |
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shl lengthd, 2 |
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add p1q, lengthq |
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add p2q, lengthq |
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neg lengthq |
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.loop: |
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mova m0, [p1q+lengthq] |
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mova m1, [p2q+lengthq] |
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mova m3, [p1q+lengthq+mmsize] |
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mova m4, [p2q+lengthq+mmsize] |
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mova m2, m1 |
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mova m5, m4 |
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psrad m2, 1 |
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psrad m5, 1 |
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psubd m0, m2 |
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psubd m3, m5 |
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paddd m1, m0 |
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paddd m4, m3 |
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mova [p1q+lengthq], m0 |
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mova [p2q+lengthq], m1 |
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mova [p1q+lengthq+mmsize], m3 |
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mova [p2q+lengthq+mmsize], m4 |
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add lengthq, mmsize*2 |
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jl .loop |
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REP_RET |
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INIT_XMM sse4 |
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cglobal tak_decorrelate_sf, 3, 3, 5, p1, p2, length, dshift, dfactor |
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shl lengthd, 2 |
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add p1q, lengthq |
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add p2q, lengthq |
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neg lengthq |
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movd m2, dshiftm |
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movd m3, dfactorm |
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pshufd m3, m3, 0 |
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mova m4, [pd_128] |
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.loop: |
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mova m0, [p1q+lengthq] |
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mova m1, [p2q+lengthq] |
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psrad m1, m2 |
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pmulld m1, m3 |
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paddd m1, m4 |
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psrad m1, 8 |
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pslld m1, m2 |
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psubd m1, m0 |
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mova [p1q+lengthq], m1 |
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add lengthq, mmsize |
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jl .loop |
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REP_RET
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