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FFmpeg/libavcodec/i386/dsputil_mmx.c
Arpi 4af7bcc185 MMX/MMXEXT iDCT support, using external functions currently defined in libmpeg2 
Gives average 13-20% mpeg decoding speedup on x86 systems.


Originally committed as revision 30 to svn://svn.ffmpeg.org/ffmpeg/trunk
2001-08-03 18:33:03 +00:00

1072 lines
26 KiB
C
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/*
* MMX optimized DSP utils
* Copyright (c) 2000, 2001 Gerard Lantau.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
*/
#include "../dsputil.h"
int mm_flags; /* multimedia extension flags */
int pix_abs16x16_mmx(UINT8 *blk1, UINT8 *blk2, int lx, int h);
int pix_abs16x16_sse(UINT8 *blk1, UINT8 *blk2, int lx, int h);
int pix_abs16x16_x2_mmx(UINT8 *blk1, UINT8 *blk2, int lx, int h);
int pix_abs16x16_y2_mmx(UINT8 *blk1, UINT8 *blk2, int lx, int h);
int pix_abs16x16_xy2_mmx(UINT8 *blk1, UINT8 *blk2, int lx, int h);
#ifdef USE_MMX_IDCT
/* external functions, defined in libmpeg2 */
void mmx_idct(DCTELEM *block);
void mmxext_idct(DCTELEM *block);
/* this should be in dsputil.h? -- A'rpi */
extern UINT8 ff_alternate_horizontal_scan[64];
extern UINT8 ff_alternate_vertical_scan[64];
extern UINT8 zigzag_direct[64];
#endif
/* pixel operations */
static const unsigned long long int mm_wone __attribute__ ((aligned(8))) = 0x0001000100010001;
static const unsigned long long int mm_wtwo __attribute__ ((aligned(8))) = 0x0002000200020002;
//static const unsigned short mm_wone[4] __attribute__ ((aligned(8))) = { 0x1, 0x1, 0x1, 0x1 };
//static const unsigned short mm_wtwo[4] __attribute__ ((aligned(8))) = { 0x2, 0x2, 0x2, 0x2 };
/***********************************/
/* 3Dnow specific */
#define DEF(x) x ## _3dnow
/* for Athlons PAVGUSB is prefered */
#define PAVGB "pavgusb"
#include "dsputil_mmx_avg.h"
#undef DEF
#undef PAVGB
/***********************************/
/* MMX2 specific */
#define DEF(x) x ## _sse
/* Introduced only in MMX2 set */
#define PAVGB "pavgb"
#include "dsputil_mmx_avg.h"
#undef DEF
#undef PAVGB
/***********************************/
/* standard MMX */
static void get_pixels_mmx(DCTELEM *block, const UINT8 *pixels, int line_size)
{
DCTELEM *p;
const UINT8 *pix;
int i;
/* read the pixels */
p = block;
pix = pixels;
__asm __volatile("pxor %%mm7, %%mm7":::"memory");
for(i=0;i<4;i++) {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq %2, %%mm1\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"movq %%mm0, %0\n\t"
"movq %%mm2, 8%0\n\t"
"movq %%mm1, 16%0\n\t"
"movq %%mm3, 24%0\n\t"
:"=m"(*p)
:"m"(*pix), "m"(*(pix+line_size))
:"memory");
pix += line_size*2;
p += 16;
}
}
static void put_pixels_clamped_mmx(const DCTELEM *block, UINT8 *pixels, int line_size)
{
const DCTELEM *p;
UINT8 *pix;
int i;
/* read the pixels */
p = block;
pix = pixels;
for(i=0;i<2;i++) {
__asm __volatile(
"movq %4, %%mm0\n\t"
"movq 8%4, %%mm1\n\t"
"movq 16%4, %%mm2\n\t"
"movq 24%4, %%mm3\n\t"
"movq 32%4, %%mm4\n\t"
"movq 40%4, %%mm5\n\t"
"movq 48%4, %%mm6\n\t"
"movq 56%4, %%mm7\n\t"
"packuswb %%mm1, %%mm0\n\t"
"packuswb %%mm3, %%mm2\n\t"
"packuswb %%mm5, %%mm4\n\t"
"packuswb %%mm7, %%mm6\n\t"
"movq %%mm0, %0\n\t"
"movq %%mm2, %1\n\t"
"movq %%mm4, %2\n\t"
"movq %%mm6, %3\n\t"
:"=m"(*pix), "=m"(*(pix+line_size))
,"=m"(*(pix+line_size*2)), "=m"(*(pix+line_size*3))
:"m"(*p)
:"memory");
pix += line_size*4;
p += 32;
}
}
static void add_pixels_clamped_mmx(const DCTELEM *block, UINT8 *pixels, int line_size)
{
const DCTELEM *p;
UINT8 *pix;
int i;
/* read the pixels */
p = block;
pix = pixels;
__asm __volatile("pxor %%mm7, %%mm7":::"memory");
for(i=0;i<4;i++) {
__asm __volatile(
"movq %2, %%mm0\n\t"
"movq 8%2, %%mm1\n\t"
"movq 16%2, %%mm2\n\t"
"movq 24%2, %%mm3\n\t"
"movq %0, %%mm4\n\t"
"movq %1, %%mm6\n\t"
"movq %%mm4, %%mm5\n\t"
"punpcklbw %%mm7, %%mm4\n\t"
"punpckhbw %%mm7, %%mm5\n\t"
"paddsw %%mm4, %%mm0\n\t"
"paddsw %%mm5, %%mm1\n\t"
"movq %%mm6, %%mm5\n\t"
"punpcklbw %%mm7, %%mm6\n\t"
"punpckhbw %%mm7, %%mm5\n\t"
"paddsw %%mm6, %%mm2\n\t"
"paddsw %%mm5, %%mm3\n\t"
"packuswb %%mm1, %%mm0\n\t"
"packuswb %%mm3, %%mm2\n\t"
"movq %%mm0, %0\n\t"
"movq %%mm2, %1\n\t"
:"=m"(*pix), "=m"(*(pix+line_size))
:"m"(*p)
:"memory");
pix += line_size*2;
p += 16;
}
}
static void put_pixels_mmx(UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
int dh, hh;
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
hh=h>>2;
dh=h&3;
while(hh--) {
__asm __volatile(
"movq %4, %%mm0\n\t"
"movq %5, %%mm1\n\t"
"movq %6, %%mm2\n\t"
"movq %7, %%mm3\n\t"
"movq %%mm0, %0\n\t"
"movq %%mm1, %1\n\t"
"movq %%mm2, %2\n\t"
"movq %%mm3, %3\n\t"
:"=m"(*p), "=m"(*(p+line_size)), "=m"(*(p+line_size*2)), "=m"(*(p+line_size*3))
:"m"(*pix), "m"(*(pix+line_size)), "m"(*(pix+line_size*2)), "m"(*(pix+line_size*3))
:"memory");
pix = pix + line_size*4;
p = p + line_size*4;
}
while(dh--) {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix)
:"memory");
pix = pix + line_size;
p = p + line_size;
}
}
static void put_pixels_x2_mmx(UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile(
"pxor %%mm7, %%mm7\n\t"
"movq %0, %%mm4\n\t"
::"m"(mm_wone):"memory");
do {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq 1%1, %%mm1\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"paddusw %%mm4, %%mm0\n\t"
"paddusw %%mm4, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix)
:"memory");
pix += line_size; p += line_size;
} while (--h);
}
static void put_pixels_y2_mmx(UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile(
"pxor %%mm7, %%mm7\n\t"
"movq %0, %%mm4\n\t"
::"m"(mm_wone):"memory");
do {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq %2, %%mm1\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"paddusw %%mm4, %%mm0\n\t"
"paddusw %%mm4, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix),
"m"(*(pix+line_size))
:"memory");
pix += line_size;
p += line_size;
} while (--h);
}
static void put_pixels_xy2_mmx(UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile(
"pxor %%mm7, %%mm7\n\t"
"movq %0, %%mm6\n\t"
::"m"(mm_wtwo):"memory");
do {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq %2, %%mm1\n\t"
"movq 1%1, %%mm4\n\t"
"movq 1%2, %%mm5\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"movq %%mm4, %%mm1\n\t"
"movq %%mm5, %%mm3\n\t"
"punpcklbw %%mm7, %%mm4\n\t"
"punpcklbw %%mm7, %%mm5\n\t"
"punpckhbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm5, %%mm4\n\t"
"paddusw %%mm3, %%mm1\n\t"
"paddusw %%mm6, %%mm4\n\t"
"paddusw %%mm6, %%mm1\n\t"
"paddusw %%mm4, %%mm0\n\t"
"paddusw %%mm1, %%mm2\n\t"
"psrlw $2, %%mm0\n\t"
"psrlw $2, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix),
"m"(*(pix+line_size))
:"memory");
pix += line_size;
p += line_size;
} while(--h);
}
static void put_no_rnd_pixels_x2_mmx( UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile("pxor %%mm7, %%mm7\n\t":::"memory");
do {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq 1%1, %%mm1\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix)
:"memory");
pix += line_size;
p += line_size;
} while (--h);
}
static void put_no_rnd_pixels_y2_mmx( UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile("pxor %%mm7, %%mm7\n\t":::"memory");
do {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq %2, %%mm1\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix),
"m"(*(pix+line_size))
:"memory");
pix += line_size;
p += line_size;
} while(--h);
}
static void put_no_rnd_pixels_xy2_mmx( UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile(
"pxor %%mm7, %%mm7\n\t"
"movq %0, %%mm6\n\t"
::"m"(mm_wone):"memory");
do {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq %2, %%mm1\n\t"
"movq 1%1, %%mm4\n\t"
"movq 1%2, %%mm5\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"movq %%mm4, %%mm1\n\t"
"movq %%mm5, %%mm3\n\t"
"punpcklbw %%mm7, %%mm4\n\t"
"punpcklbw %%mm7, %%mm5\n\t"
"punpckhbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm5, %%mm4\n\t"
"paddusw %%mm3, %%mm1\n\t"
"paddusw %%mm6, %%mm4\n\t"
"paddusw %%mm6, %%mm1\n\t"
"paddusw %%mm4, %%mm0\n\t"
"paddusw %%mm1, %%mm2\n\t"
"psrlw $2, %%mm0\n\t"
"psrlw $2, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix),
"m"(*(pix+line_size))
:"memory");
pix += line_size;
p += line_size;
} while(--h);
}
static void avg_pixels_mmx(UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile(
"pxor %%mm7, %%mm7\n\t"
"movq %0, %%mm6\n\t"
::"m"(mm_wone):"memory");
do {
__asm __volatile(
"movq %0, %%mm0\n\t"
"movq %1, %%mm1\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"paddusw %%mm6, %%mm0\n\t"
"paddusw %%mm6, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix)
:"memory");
pix += line_size;
p += line_size;
}
while (--h);
}
static void avg_pixels_x2_mmx( UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile(
"pxor %%mm7, %%mm7\n\t"
"movq %0, %%mm6\n\t"
::"m"(mm_wone):"memory");
do {
__asm __volatile(
"movq %1, %%mm1\n\t"
"movq %0, %%mm0\n\t"
"movq 1%1, %%mm4\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"movq %%mm4, %%mm5\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"punpcklbw %%mm7, %%mm4\n\t"
"punpckhbw %%mm7, %%mm5\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"paddusw %%mm4, %%mm1\n\t"
"paddusw %%mm5, %%mm3\n\t"
"paddusw %%mm6, %%mm1\n\t"
"paddusw %%mm6, %%mm3\n\t"
"psrlw $1, %%mm1\n\t"
"psrlw $1, %%mm3\n\t"
"paddusw %%mm6, %%mm0\n\t"
"paddusw %%mm6, %%mm2\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix)
:"memory");
pix += line_size;
p += line_size;
} while (--h);
}
static void avg_pixels_y2_mmx( UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile(
"pxor %%mm7, %%mm7\n\t"
"movq %0, %%mm6\n\t"
::"m"(mm_wone):"memory");
do {
__asm __volatile(
"movq %1, %%mm1\n\t"
"movq %0, %%mm0\n\t"
"movq %2, %%mm4\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"movq %%mm4, %%mm5\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"punpcklbw %%mm7, %%mm4\n\t"
"punpckhbw %%mm7, %%mm5\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"paddusw %%mm4, %%mm1\n\t"
"paddusw %%mm5, %%mm3\n\t"
"paddusw %%mm6, %%mm1\n\t"
"paddusw %%mm6, %%mm3\n\t"
"psrlw $1, %%mm1\n\t"
"psrlw $1, %%mm3\n\t"
"paddusw %%mm6, %%mm0\n\t"
"paddusw %%mm6, %%mm2\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix), "m"(*(pix+line_size))
:"memory");
pix += line_size;
p += line_size ;
} while(--h);
}
static void avg_pixels_xy2_mmx( UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile(
"pxor %%mm7, %%mm7\n\t"
"movq %0, %%mm6\n\t"
::"m"(mm_wtwo):"memory");
do {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq %2, %%mm1\n\t"
"movq 1%1, %%mm4\n\t"
"movq 1%2, %%mm5\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"movq %%mm4, %%mm1\n\t"
"movq %%mm5, %%mm3\n\t"
"punpcklbw %%mm7, %%mm4\n\t"
"punpcklbw %%mm7, %%mm5\n\t"
"punpckhbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm5, %%mm4\n\t"
"paddusw %%mm3, %%mm1\n\t"
"paddusw %%mm6, %%mm4\n\t"
"paddusw %%mm6, %%mm1\n\t"
"paddusw %%mm4, %%mm0\n\t"
"paddusw %%mm1, %%mm2\n\t"
"movq %3, %%mm5\n\t"
"psrlw $2, %%mm0\n\t"
"movq %0, %%mm1\n\t"
"psrlw $2, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"paddusw %%mm5, %%mm0\n\t"
"paddusw %%mm5, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix),
"m"(*(pix+line_size)), "m"(mm_wone)
:"memory");
pix += line_size;
p += line_size ;
} while(--h);
}
static void avg_no_rnd_pixels_mmx( UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile("pxor %%mm7, %%mm7\n\t":::"memory");
do {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq %0, %%mm1\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix)
:"memory");
pix += line_size;
p += line_size ;
} while (--h);
}
static void avg_no_rnd_pixels_x2_mmx( UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile(
"pxor %%mm7, %%mm7\n\t":::"memory");
do {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq 1%1, %%mm1\n\t"
"movq %0, %%mm4\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"movq %%mm4, %%mm5\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"punpcklbw %%mm7, %%mm4\n\t"
"punpckhbw %%mm7, %%mm5\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"paddusw %%mm4, %%mm0\n\t"
"paddusw %%mm5, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix)
:"memory");
pix += line_size;
p += line_size;
} while (--h);
}
static void avg_no_rnd_pixels_y2_mmx( UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile(
"pxor %%mm7, %%mm7\n\t":::"memory");
do {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq %2, %%mm1\n\t"
"movq %0, %%mm4\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"movq %%mm4, %%mm5\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"punpcklbw %%mm7, %%mm4\n\t"
"punpckhbw %%mm7, %%mm5\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"paddusw %%mm4, %%mm0\n\t"
"paddusw %%mm5, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix), "m"(*(pix+line_size))
:"memory");
pix += line_size;
p += line_size ;
} while(--h);
}
static void avg_no_rnd_pixels_xy2_mmx( UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile(
"pxor %%mm7, %%mm7\n\t"
"movq %0, %%mm6\n\t"
::"m"(mm_wone):"memory");
do {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq %2, %%mm1\n\t"
"movq 1%1, %%mm4\n\t"
"movq 1%2, %%mm5\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"movq %%mm4, %%mm1\n\t"
"movq %%mm5, %%mm3\n\t"
"punpcklbw %%mm7, %%mm4\n\t"
"punpcklbw %%mm7, %%mm5\n\t"
"punpckhbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm5, %%mm4\n\t"
"paddusw %%mm3, %%mm1\n\t"
"paddusw %%mm6, %%mm4\n\t"
"paddusw %%mm6, %%mm1\n\t"
"paddusw %%mm4, %%mm0\n\t"
"paddusw %%mm1, %%mm2\n\t"
"movq %0, %%mm1\n\t"
"psrlw $2, %%mm0\n\t"
"movq %%mm1, %%mm3\n\t"
"psrlw $2, %%mm2\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"psrlw $1, %%mm0\n\t"
"psrlw $1, %%mm2\n\t"
"packuswb %%mm2, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix),
"m"(*(pix+line_size))
:"memory");
pix += line_size;
p += line_size;
} while(--h);
}
static void sub_pixels_mmx( DCTELEM *block, const UINT8 *pixels, int line_size, int h)
{
DCTELEM *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile("pxor %%mm7, %%mm7":::"memory");
do {
__asm __volatile(
"movq %0, %%mm0\n\t"
"movq %1, %%mm2\n\t"
"movq 8%0, %%mm1\n\t"
"movq %%mm2, %%mm3\n\t"
"punpcklbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"psubsw %%mm2, %%mm0\n\t"
"psubsw %%mm3, %%mm1\n\t"
"movq %%mm0, %0\n\t"
"movq %%mm1, 8%0\n\t"
:"=m"(*p)
:"m"(*pix)
:"memory");
pix += line_size;
p += 8;
} while (--h);
}
static void sub_pixels_x2_mmx( DCTELEM *block, const UINT8 *pixels, int line_size, int h)
{
DCTELEM *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile(
"pxor %%mm7, %%mm7\n\t"
"movq %0, %%mm6"
::"m"(mm_wone):"memory");
do {
__asm __volatile(
"movq %0, %%mm0\n\t"
"movq %1, %%mm2\n\t"
"movq 8%0, %%mm1\n\t"
"movq 1%1, %%mm4\n\t"
"movq %%mm2, %%mm3\n\t"
"movq %%mm4, %%mm5\n\t"
"punpcklbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"punpcklbw %%mm7, %%mm4\n\t"
"punpckhbw %%mm7, %%mm5\n\t"
"paddusw %%mm4, %%mm2\n\t"
"paddusw %%mm5, %%mm3\n\t"
"paddusw %%mm6, %%mm2\n\t"
"paddusw %%mm6, %%mm3\n\t"
"psrlw $1, %%mm2\n\t"
"psrlw $1, %%mm3\n\t"
"psubsw %%mm2, %%mm0\n\t"
"psubsw %%mm3, %%mm1\n\t"
"movq %%mm0, %0\n\t"
"movq %%mm1, 8%0\n\t"
:"=m"(*p)
:"m"(*pix)
:"memory");
pix += line_size;
p += 8;
} while (--h);
}
static void sub_pixels_y2_mmx( DCTELEM *block, const UINT8 *pixels, int line_size, int h)
{
DCTELEM *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile(
"pxor %%mm7, %%mm7\n\t"
"movq %0, %%mm6"
::"m"(mm_wone):"memory");
do {
__asm __volatile(
"movq %0, %%mm0\n\t"
"movq %1, %%mm2\n\t"
"movq 8%0, %%mm1\n\t"
"movq %2, %%mm4\n\t"
"movq %%mm2, %%mm3\n\t"
"movq %%mm4, %%mm5\n\t"
"punpcklbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"punpcklbw %%mm7, %%mm4\n\t"
"punpckhbw %%mm7, %%mm5\n\t"
"paddusw %%mm4, %%mm2\n\t"
"paddusw %%mm5, %%mm3\n\t"
"paddusw %%mm6, %%mm2\n\t"
"paddusw %%mm6, %%mm3\n\t"
"psrlw $1, %%mm2\n\t"
"psrlw $1, %%mm3\n\t"
"psubsw %%mm2, %%mm0\n\t"
"psubsw %%mm3, %%mm1\n\t"
"movq %%mm0, %0\n\t"
"movq %%mm1, 8%0\n\t"
:"=m"(*p)
:"m"(*pix), "m"(*(pix+line_size))
:"memory");
pix += line_size;
p += 8;
} while (--h);
}
static void sub_pixels_xy2_mmx( DCTELEM *block, const UINT8 *pixels, int line_size, int h)
{
DCTELEM *p;
const UINT8 *pix;
p = block;
pix = pixels;
__asm __volatile(
"pxor %%mm7, %%mm7\n\t"
"movq %0, %%mm6\n\t"
::"m"(mm_wtwo):"memory");
do {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq %2, %%mm1\n\t"
"movq 1%1, %%mm4\n\t"
"movq 1%2, %%mm5\n\t"
"movq %%mm0, %%mm2\n\t"
"movq %%mm1, %%mm3\n\t"
"punpcklbw %%mm7, %%mm0\n\t"
"punpcklbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm2\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm1, %%mm0\n\t"
"paddusw %%mm3, %%mm2\n\t"
"movq %%mm4, %%mm1\n\t"
"movq %%mm5, %%mm3\n\t"
"punpcklbw %%mm7, %%mm4\n\t"
"punpcklbw %%mm7, %%mm5\n\t"
"punpckhbw %%mm7, %%mm1\n\t"
"punpckhbw %%mm7, %%mm3\n\t"
"paddusw %%mm5, %%mm4\n\t"
"paddusw %%mm3, %%mm1\n\t"
"paddusw %%mm6, %%mm4\n\t"
"paddusw %%mm6, %%mm1\n\t"
"paddusw %%mm4, %%mm0\n\t"
"paddusw %%mm1, %%mm2\n\t"
"movq %0, %%mm1\n\t"
"movq 8%0, %%mm3\n\t"
"psrlw $2, %%mm0\n\t"
"psrlw $2, %%mm2\n\t"
"psubsw %%mm0, %%mm1\n\t"
"psubsw %%mm2, %%mm3\n\t"
"movq %%mm1, %0\n\t"
"movq %%mm3, 8%0\n\t"
:"=m"(*p)
:"m"(*pix),
"m"(*(pix+line_size))
:"memory");
pix += line_size;
p += 8 ;
} while(--h);
}
void dsputil_init_mmx(void)
{
mm_flags = mm_support();
#if 0
printf("CPU flags:");
if (mm_flags & MM_MMX)
printf(" mmx");
if (mm_flags & MM_MMXEXT)
printf(" mmxext");
if (mm_flags & MM_3DNOW)
printf(" 3dnow");
if (mm_flags & MM_SSE)
printf(" sse");
if (mm_flags & MM_SSE2)
printf(" sse2");
printf("\n");
#endif
if (mm_flags & MM_MMX) {
get_pixels = get_pixels_mmx;
put_pixels_clamped = put_pixels_clamped_mmx;
add_pixels_clamped = add_pixels_clamped_mmx;
pix_abs16x16 = pix_abs16x16_mmx;
pix_abs16x16_x2 = pix_abs16x16_x2_mmx;
pix_abs16x16_y2 = pix_abs16x16_y2_mmx;
pix_abs16x16_xy2 = pix_abs16x16_xy2_mmx;
av_fdct = fdct_mmx;
put_pixels_tab[0] = put_pixels_mmx;
put_pixels_tab[1] = put_pixels_x2_mmx;
put_pixels_tab[2] = put_pixels_y2_mmx;
put_pixels_tab[3] = put_pixels_xy2_mmx;
put_no_rnd_pixels_tab[0] = put_pixels_mmx;
put_no_rnd_pixels_tab[1] = put_no_rnd_pixels_x2_mmx;
put_no_rnd_pixels_tab[2] = put_no_rnd_pixels_y2_mmx;
put_no_rnd_pixels_tab[3] = put_no_rnd_pixels_xy2_mmx;
avg_pixels_tab[0] = avg_pixels_mmx;
avg_pixels_tab[1] = avg_pixels_x2_mmx;
avg_pixels_tab[2] = avg_pixels_y2_mmx;
avg_pixels_tab[3] = avg_pixels_xy2_mmx;
avg_no_rnd_pixels_tab[0] = avg_no_rnd_pixels_mmx;
avg_no_rnd_pixels_tab[1] = avg_no_rnd_pixels_x2_mmx;
avg_no_rnd_pixels_tab[2] = avg_no_rnd_pixels_y2_mmx;
avg_no_rnd_pixels_tab[3] = avg_no_rnd_pixels_xy2_mmx;
sub_pixels_tab[0] = sub_pixels_mmx;
sub_pixels_tab[1] = sub_pixels_x2_mmx;
sub_pixels_tab[2] = sub_pixels_y2_mmx;
sub_pixels_tab[3] = sub_pixels_xy2_mmx;
if (mm_flags & MM_MMXEXT) {
pix_abs16x16 = pix_abs16x16_sse;
}
if (mm_flags & MM_SSE) {
put_pixels_tab[1] = put_pixels_x2_sse;
put_pixels_tab[2] = put_pixels_y2_sse;
avg_pixels_tab[0] = avg_pixels_sse;
avg_pixels_tab[1] = avg_pixels_x2_sse;
avg_pixels_tab[2] = avg_pixels_y2_sse;
avg_pixels_tab[3] = avg_pixels_xy2_sse;
sub_pixels_tab[1] = sub_pixels_x2_sse;
sub_pixels_tab[2] = sub_pixels_y2_sse;
} else if (mm_flags & MM_3DNOW) {
put_pixels_tab[1] = put_pixels_x2_3dnow;
put_pixels_tab[2] = put_pixels_y2_3dnow;
avg_pixels_tab[0] = avg_pixels_3dnow;
avg_pixels_tab[1] = avg_pixels_x2_3dnow;
avg_pixels_tab[2] = avg_pixels_y2_3dnow;
avg_pixels_tab[3] = avg_pixels_xy2_3dnow;
sub_pixels_tab[1] = sub_pixels_x2_3dnow;
sub_pixels_tab[2] = sub_pixels_y2_3dnow;
}
#ifdef USE_MMX_IDCT
/* use MMX / MMXEXT iDCT code from libmpeg2 */
//printf("LIBAVCODEC: Using MMX%s iDCT code\n",(mm_flags & MM_MMXEXT)?"EXT":"");
ff_idct = (mm_flags & MM_MMXEXT) ? mmxext_idct : mmx_idct;
/* the mmx/mmxext idct uses a reordered input, so we patch scan tables */
{ int i,j;
for (i = 0; i < 64; i++) {
j = zigzag_direct[i];
zigzag_direct[i] = (j & 0x38) | ((j & 6) >> 1) | ((j & 1) << 2);
j = ff_alternate_horizontal_scan[i];
ff_alternate_horizontal_scan[i] = (j & 0x38) | ((j & 6) >> 1) | ((j & 1) << 2);
j = ff_alternate_vertical_scan[i];
ff_alternate_vertical_scan[i] = (j & 0x38) | ((j & 6) >> 1) | ((j & 1) << 2);
}
}
#endif
}
}
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