mirror of https://git.ffmpeg.org/ffmpeg.git
343 lines
7.6 KiB
C
343 lines
7.6 KiB
C
/*
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* DSP utils : average functions are compiled twice for 3dnow/mmx2
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* Copyright (c) 2000, 2001 Gerard Lantau.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
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*/
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static void DEF(put_pixels_x2)(UINT8 *block, const UINT8 *pixels, int line_size, int h)
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{
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int dh, hh;
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UINT8 *p;
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const UINT8 *pix;
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p = block;
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pix = pixels;
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hh=h>>2;
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dh=h&3;
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while(hh--) {
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__asm __volatile(
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"movq (%1), %%mm0\n\t"
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"movq 1(%1), %%mm1\n\t"
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"movq (%1, %2), %%mm2\n\t"
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"movq 1(%1, %2), %%mm3\n\t"
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"movq (%1, %2, 2), %%mm4\n\t"
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"movq 1(%1, %2, 2), %%mm5\n\t"
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"movq (%1, %3), %%mm6\n\t"
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"movq 1(%1, %3), %%mm7\n\t"
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PAVGB" %%mm1, %%mm0\n\t"
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PAVGB" %%mm3, %%mm2\n\t"
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PAVGB" %%mm5, %%mm4\n\t"
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PAVGB" %%mm7, %%mm6\n\t"
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"movq %%mm0, (%0)\n\t"
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"movq %%mm2, (%0, %2)\n\t"
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"movq %%mm4, (%0, %2, 2)\n\t"
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"movq %%mm6, (%0, %3)\n\t"
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::"r"(p), "r"(pix), "r" (line_size), "r" (line_size*3)
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:"memory");
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pix += line_size*4; p += line_size*4;
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}
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while(dh--) {
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__asm __volatile(
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"movq %1, %%mm0\n\t"
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"movq 1%1, %%mm1\n\t"
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PAVGB" %%mm1, %%mm0\n\t"
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"movq %%mm0, %0\n\t"
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:"=m"(*p)
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:"m"(*pix)
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:"memory");
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pix += line_size; p += line_size;
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}
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}
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static void DEF(put_pixels_y2)(UINT8 *block, const UINT8 *pixels, int line_size, int h)
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{
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int dh, hh;
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UINT8 *p;
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const UINT8 *pix;
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p = block;
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pix = pixels;
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hh=h>>1;
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dh=h&1;
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while(hh--) {
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__asm __volatile(
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"movq %2, %%mm0\n\t"
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"movq %3, %%mm1\n\t"
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"movq %4, %%mm2\n\t"
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PAVGB" %%mm1, %%mm0\n\t"
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PAVGB" %%mm2, %%mm1\n\t"
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"movq %%mm0, %0\n\t"
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"movq %%mm1, %1\n\t"
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:"=m"(*p), "=m"(*(p+line_size))
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:"m"(*pix), "m"(*(pix+line_size)),
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"m"(*(pix+line_size*2))
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:"memory");
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pix += line_size*2;
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p += line_size*2;
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}
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if(dh) {
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__asm __volatile(
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"movq %1, %%mm0\n\t"
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"movq %2, %%mm1\n\t"
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PAVGB" %%mm1, %%mm0\n\t"
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"movq %%mm0, %0\n\t"
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:"=m"(*p)
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:"m"(*pix),
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"m"(*(pix+line_size))
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:"memory");
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}
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}
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static void DEF(avg_pixels)(UINT8 *block, const UINT8 *pixels, int line_size, int h)
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{
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int dh, hh;
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UINT8 *p;
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const UINT8 *pix;
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p = block;
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pix = pixels;
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hh=h>>2;
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dh=h&3;
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while(hh--) {
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__asm __volatile(
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"movq (%0), %%mm0\n\t"
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"movq (%1), %%mm1\n\t"
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"movq (%0, %2), %%mm2\n\t"
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"movq (%1, %2), %%mm3\n\t"
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"movq (%0, %2, 2), %%mm4\n\t"
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"movq (%1, %2, 2), %%mm5\n\t"
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"movq (%0, %3), %%mm6\n\t"
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"movq (%1, %3), %%mm7\n\t"
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PAVGB" %%mm1, %%mm0\n\t"
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PAVGB" %%mm3, %%mm2\n\t"
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PAVGB" %%mm5, %%mm4\n\t"
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PAVGB" %%mm7, %%mm6\n\t"
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"movq %%mm0, (%0)\n\t"
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"movq %%mm2, (%0, %2)\n\t"
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"movq %%mm4, (%0, %2, 2)\n\t"
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"movq %%mm6, (%0, %3)\n\t"
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::"r"(p), "r"(pix), "r" (line_size), "r" (line_size*3)
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:"memory");
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pix += line_size*4; p += line_size*4;
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}
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while(dh--) {
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__asm __volatile(
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"movq %0, %%mm0\n\t"
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"movq %1, %%mm1\n\t"
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PAVGB" %%mm1, %%mm0\n\t"
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"movq %%mm0, %0\n\t"
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:"+m"(*p)
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:"m"(*pix)
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:"memory");
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pix += line_size; p += line_size;
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}
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}
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static void DEF(avg_pixels_x2)( UINT8 *block, const UINT8 *pixels, int line_size, int h)
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{
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int dh, hh;
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UINT8 *p;
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const UINT8 *pix;
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p = block;
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pix = pixels;
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hh=h>>1;
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dh=h&1;
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while(hh--) {
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__asm __volatile(
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"movq %2, %%mm2\n\t"
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"movq 1%2, %%mm3\n\t"
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"movq %3, %%mm4\n\t"
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"movq 1%3, %%mm5\n\t"
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"movq %0, %%mm0\n\t"
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"movq %1, %%mm1\n\t"
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PAVGB" %%mm3, %%mm2\n\t"
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PAVGB" %%mm2, %%mm0\n\t"
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PAVGB" %%mm5, %%mm4\n\t"
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PAVGB" %%mm4, %%mm1\n\t"
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"movq %%mm0, %0\n\t"
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"movq %%mm1, %1\n\t"
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:"+m"(*p), "+m"(*(p+line_size))
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:"m"(*pix), "m"(*(pix+line_size))
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:"memory");
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pix += line_size*2;
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p += line_size*2;
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}
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if(dh) {
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__asm __volatile(
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"movq %1, %%mm1\n\t"
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"movq 1%1, %%mm2\n\t"
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"movq %0, %%mm0\n\t"
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PAVGB" %%mm2, %%mm1\n\t"
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PAVGB" %%mm1, %%mm0\n\t"
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"movq %%mm0, %0\n\t"
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:"+m"(*p)
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:"m"(*pix)
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:"memory");
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}
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}
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static void DEF(avg_pixels_y2)( UINT8 *block, const UINT8 *pixels, int line_size, int h)
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{
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int dh, hh;
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UINT8 *p;
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const UINT8 *pix;
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p = block;
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pix = pixels;
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hh=h>>1;
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dh=h&1;
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while(hh--) {
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__asm __volatile(
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"movq %2, %%mm2\n\t"
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"movq %3, %%mm3\n\t"
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"movq %3, %%mm4\n\t"
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"movq %4, %%mm5\n\t"
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"movq %0, %%mm0\n\t"
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"movq %1, %%mm1\n\t"
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PAVGB" %%mm3, %%mm2\n\t"
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PAVGB" %%mm2, %%mm0\n\t"
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PAVGB" %%mm5, %%mm4\n\t"
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PAVGB" %%mm4, %%mm1\n\t"
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"movq %%mm0, %0\n\t"
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"movq %%mm1, %1\n\t"
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:"+m"(*p), "+m"(*(p+line_size))
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:"m"(*pix), "m"(*(pix+line_size)), "m"(*(pix+line_size*2))
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:"memory");
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pix += line_size*2;
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p += line_size*2;
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}
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if(dh) {
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__asm __volatile(
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"movq %1, %%mm1\n\t"
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"movq %2, %%mm2\n\t"
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"movq %0, %%mm0\n\t"
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PAVGB" %%mm2, %%mm1\n\t"
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PAVGB" %%mm1, %%mm0\n\t"
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"movq %%mm0, %0\n\t"
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:"+m"(*p)
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:"m"(*pix), "m"(*(pix+line_size))
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:"memory");
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}
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}
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static void DEF(avg_pixels_xy2)( UINT8 *block, const UINT8 *pixels, int line_size, int h)
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{
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UINT8 *p;
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const UINT8 *pix;
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p = block;
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pix = pixels;
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__asm __volatile(
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"pxor %%mm7, %%mm7\n\t"
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"movq %0, %%mm6\n\t"
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::"m"(mm_wtwo));
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do {
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__asm __volatile(
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"movq %1, %%mm0\n\t"
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"movq %2, %%mm1\n\t"
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"movq 1%1, %%mm4\n\t"
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"movq 1%2, %%mm5\n\t"
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"movq %%mm0, %%mm2\n\t"
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"movq %%mm1, %%mm3\n\t"
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"punpcklbw %%mm7, %%mm0\n\t"
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"punpcklbw %%mm7, %%mm1\n\t"
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"punpckhbw %%mm7, %%mm2\n\t"
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"punpckhbw %%mm7, %%mm3\n\t"
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"paddusw %%mm1, %%mm0\n\t"
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"paddusw %%mm3, %%mm2\n\t"
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"movq %%mm4, %%mm1\n\t"
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"movq %%mm5, %%mm3\n\t"
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"punpcklbw %%mm7, %%mm4\n\t"
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"punpcklbw %%mm7, %%mm5\n\t"
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"punpckhbw %%mm7, %%mm1\n\t"
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"punpckhbw %%mm7, %%mm3\n\t"
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"paddusw %%mm5, %%mm4\n\t"
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"paddusw %%mm3, %%mm1\n\t"
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"paddusw %%mm6, %%mm4\n\t"
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"paddusw %%mm6, %%mm1\n\t"
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"paddusw %%mm4, %%mm0\n\t"
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"paddusw %%mm1, %%mm2\n\t"
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"psrlw $2, %%mm0\n\t"
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"psrlw $2, %%mm2\n\t"
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"packuswb %%mm2, %%mm0\n\t"
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PAVGB" %0, %%mm0\n\t"
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"movq %%mm0, %0\n\t"
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:"+m"(*p)
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:"m"(*pix),
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"m"(*(pix+line_size))
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:"memory");
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pix += line_size;
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p += line_size ;
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} while(--h);
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}
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static void DEF(sub_pixels_x2)( DCTELEM *block, const UINT8 *pixels, int line_size, int h)
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{
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DCTELEM *p;
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const UINT8 *pix;
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p = block;
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pix = pixels;
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__asm __volatile(
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"pxor %%mm7, %%mm7":);
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do {
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__asm __volatile(
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"movq 1%1, %%mm2\n\t"
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"movq %0, %%mm0\n\t"
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PAVGB" %1, %%mm2\n\t"
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"movq 8%0, %%mm1\n\t"
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"movq %%mm2, %%mm3\n\t"
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"punpcklbw %%mm7, %%mm2\n\t"
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"punpckhbw %%mm7, %%mm3\n\t"
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"psubsw %%mm2, %%mm0\n\t"
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"psubsw %%mm3, %%mm1\n\t"
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"movq %%mm0, %0\n\t"
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"movq %%mm1, 8%0\n\t"
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:"+m"(*p)
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:"m"(*pix)
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:"memory");
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pix += line_size;
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p += 8;
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} while (--h);
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}
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static void DEF(sub_pixels_y2)( DCTELEM *block, const UINT8 *pixels, int line_size, int h)
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{
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DCTELEM *p;
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const UINT8 *pix;
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p = block;
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pix = pixels;
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__asm __volatile(
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"pxor %%mm7, %%mm7":);
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do {
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__asm __volatile(
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"movq %2, %%mm2\n\t"
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"movq %0, %%mm0\n\t"
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PAVGB" %1, %%mm2\n\t"
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"movq 8%0, %%mm1\n\t"
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"movq %%mm2, %%mm3\n\t"
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"punpcklbw %%mm7, %%mm2\n\t"
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"punpckhbw %%mm7, %%mm3\n\t"
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"psubsw %%mm2, %%mm0\n\t"
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"psubsw %%mm3, %%mm1\n\t"
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"movq %%mm0, %0\n\t"
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"movq %%mm1, 8%0\n\t"
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:"+m"(*p)
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:"m"(*pix), "m"(*(pix+line_size))
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:"memory");
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pix += line_size;
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p += 8;
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} while (--h);
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}
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