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/*
* Copyright (c) 2012 Michael Niedermayer <michaelni@gmx.at>
*
* 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/asm.h"
#include "libavutil/cpu.h"
#include "libswresample/swresample_internal.h"
#define COMMON_CORE_DBL_SSE2 \
x86_reg len= -8*c->filter_length;\
__asm__ volatile(\
"xorpd %%xmm0, %%xmm0 \n\t"\
"1: \n\t"\
"movupd (%1, %0), %%xmm1 \n\t"\
"mulpd (%2, %0), %%xmm1 \n\t"\
"addpd %%xmm1, %%xmm0 \n\t"\
"add $16, %0 \n\t"\
" js 1b \n\t"\
"movhlps %%xmm0, %%xmm1 \n\t"\
"addpd %%xmm1, %%xmm0 \n\t"\
"movsd %%xmm0, (%3) \n\t"\
: "+r" (len)\
: "r" (((uint8_t*)(src+sample_index))-len),\
"r" (((uint8_t*)filter)-len),\
"r" (dst+dst_index)\
XMM_CLOBBERS_ONLY("%xmm0", "%xmm1")\
);
#define LINEAR_CORE_DBL_SSE2 \
x86_reg len= -8*c->filter_length;\
__asm__ volatile(\
"xorpd %%xmm0, %%xmm0 \n\t"\
"xorpd %%xmm2, %%xmm2 \n\t"\
"1: \n\t"\
"movupd (%3, %0), %%xmm1 \n\t"\
"movapd %%xmm1, %%xmm3 \n\t"\
"mulpd (%4, %0), %%xmm1 \n\t"\
"mulpd (%5, %0), %%xmm3 \n\t"\
"addpd %%xmm1, %%xmm0 \n\t"\
"addpd %%xmm3, %%xmm2 \n\t"\
"add $16, %0 \n\t"\
" js 1b \n\t"\
"movhlps %%xmm0, %%xmm1 \n\t"\
"movhlps %%xmm2, %%xmm3 \n\t"\
"addpd %%xmm1, %%xmm0 \n\t"\
"addpd %%xmm3, %%xmm2 \n\t"\
"movsd %%xmm0, %1 \n\t"\
"movsd %%xmm2, %2 \n\t"\
: "+r" (len),\
"=m" (val),\
"=m" (v2)\
: "r" (((uint8_t*)(src+sample_index))-len),\
"r" (((uint8_t*)filter)-len),\
"r" (((uint8_t*)(filter+c->filter_alloc))-len)\
XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3")\
);
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