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88 lines
2.3 KiB
88 lines
2.3 KiB
;****************************************************************************** |
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;* SIMD lossless video DSP utils |
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;* Copyright (c) 2014 Michael Niedermayer |
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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_TEXT |
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%macro ADD_INT16_LOOP 1 ; %1 = is_aligned |
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movd m4, maskq |
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punpcklwd m4, m4 |
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punpcklwd m4, m4 |
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punpcklwd m4, m4 |
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add wq, wq |
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test wq, 2*mmsize - 1 |
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jz %%.tomainloop |
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%%.wordloop: |
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sub wq, 2 |
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mov ax, [srcq+wq] |
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add ax, [dstq+wq] |
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and ax, maskw |
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mov [dstq+wq], ax |
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test wq, 2*mmsize - 1 |
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jnz %%.wordloop |
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%%.tomainloop: |
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add srcq, wq |
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add dstq, wq |
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neg wq |
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jz %%.end |
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%%.loop: |
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%if %1 |
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mova m0, [srcq+wq] |
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mova m1, [dstq+wq] |
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mova m2, [srcq+wq+mmsize] |
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mova m3, [dstq+wq+mmsize] |
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%else |
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movu m0, [srcq+wq] |
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movu m1, [dstq+wq] |
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movu m2, [srcq+wq+mmsize] |
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movu m3, [dstq+wq+mmsize] |
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%endif |
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paddw m0, m1 |
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paddw m2, m3 |
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pand m0, m4 |
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pand m2, m4 |
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%if %1 |
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mova [dstq+wq] , m0 |
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mova [dstq+wq+mmsize], m2 |
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%else |
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movu [dstq+wq] , m0 |
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movu [dstq+wq+mmsize], m2 |
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%endif |
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add wq, 2*mmsize |
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jl %%.loop |
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%%.end: |
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RET |
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%endmacro |
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INIT_MMX mmx |
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cglobal add_int16, 4,4,5, dst, src, mask, w |
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ADD_INT16_LOOP 1 |
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INIT_XMM sse2 |
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cglobal add_int16, 4,4,5, dst, src, mask, w |
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test srcq, mmsize-1 |
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jnz .unaligned |
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test dstq, mmsize-1 |
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jnz .unaligned |
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ADD_INT16_LOOP 1 |
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.unaligned: |
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ADD_INT16_LOOP 0
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