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FFmpeg/libavcodec/i386/dsputil_mmx.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"
#include "../simple_idct.h"
int mm_flags; /* multimedia extension flags */
int pix_abs16x16_mmx(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs16x16_x2_mmx(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs16x16_y2_mmx(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs16x16_xy2_mmx(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs16x16_mmx2(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs16x16_x2_mmx2(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs16x16_y2_mmx2(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs16x16_xy2_mmx2(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs8x8_mmx(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs8x8_x2_mmx(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs8x8_y2_mmx(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs8x8_xy2_mmx(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs8x8_mmx2(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs8x8_x2_mmx2(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs8x8_y2_mmx2(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs8x8_xy2_mmx2(UINT8 *blk1, UINT8 *blk2, int lx);
/* external functions, from idct_mmx.c */
void ff_mmx_idct(DCTELEM *block);
void ff_mmxext_idct(DCTELEM *block);
/* pixel operations */
static const unsigned long long int mm_wone __attribute__ ((aligned(8))) = 0x0001000100010001LL;
static const unsigned long long int mm_wtwo __attribute__ ((aligned(8))) = 0x0002000200020002LL;
//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 };
#define JUMPALIGN() __asm __volatile (".balign 8"::)
#define MOVQ_ZERO(regd) __asm __volatile ("pxor %%" #regd ", %%" #regd ::)
#ifndef PIC
#define MOVQ_WONE(regd) __asm __volatile ("movq %0, %%" #regd " \n\t" ::"m"(mm_wone))
#define MOVQ_WTWO(regd) __asm __volatile ("movq %0, %%" #regd " \n\t" ::"m"(mm_wtwo))
#else
// for shared library it's better to use this way for accessing constants
// pcmpeqd -> -1
#define MOVQ_WONE(regd) \
__asm __volatile ( \
"pcmpeqd %%" #regd ", %%" #regd " \n\t" \
"psrlw $15, %%" #regd ::)
#define MOVQ_WTWO(regd) \
__asm __volatile ( \
"pcmpeqd %%" #regd ", %%" #regd " \n\t" \
"psrlw $15, %%" #regd " \n\t" \
"psllw $1, %%" #regd ::)
#endif
/***********************************/
/* 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;
MOVQ_ZERO(mm7);
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 diff_pixels_mmx(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride)
{
asm volatile(
".balign 16 \n\t"
"movl $-128, %%eax \n\t"
"1: \n\t"
"movq (%0), %%mm0 \n\t"
"movq (%1), %%mm2 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm2, %%mm3 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpckhbw %%mm7, %%mm1 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpckhbw %%mm7, %%mm3 \n\t"
"psubw %%mm2, %%mm0 \n\t"
"psubw %%mm3, %%mm1 \n\t"
"movq %%mm0, (%2, %%eax)\n\t"
"movq %%mm1, 8(%2, %%eax)\n\t"
"addl %3, %0 \n\t"
"addl %3, %1 \n\t"
"addl $16, %%eax \n\t"
"jnz 1b \n\t"
: "+r" (s1), "+r" (s2)
: "r" (block+64), "r" (stride)
: "%eax"
);
}
static void put_pixels_clamped_mmx(const DCTELEM *block, UINT8 *pixels, int line_size)
{
const DCTELEM *p;
UINT8 *pix;
/* read the pixels */
p = block;
pix = pixels;
/* unrolled loop */
__asm __volatile(
"movq %3, %%mm0\n\t"
"movq 8%3, %%mm1\n\t"
"movq 16%3, %%mm2\n\t"
"movq 24%3, %%mm3\n\t"
"movq 32%3, %%mm4\n\t"
"movq 40%3, %%mm5\n\t"
"movq 48%3, %%mm6\n\t"
"movq 56%3, %%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, (%0, %1)\n\t"
"movq %%mm4, (%0, %1, 2)\n\t"
"movq %%mm6, (%0, %2)\n\t"
::"r" (pix), "r" (line_size), "r" (line_size*3), "m"(*p)
:"memory");
pix += line_size*4;
p += 32;
// if here would be an exact copy of the code above
// compiler would generate some very strange code
// thus using "r"
__asm __volatile(
"movq (%3), %%mm0\n\t"
"movq 8(%3), %%mm1\n\t"
"movq 16(%3), %%mm2\n\t"
"movq 24(%3), %%mm3\n\t"
"movq 32(%3), %%mm4\n\t"
"movq 40(%3), %%mm5\n\t"
"movq 48(%3), %%mm6\n\t"
"movq 56(%3), %%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, (%0, %1)\n\t"
"movq %%mm4, (%0, %1, 2)\n\t"
"movq %%mm6, (%0, %2)\n\t"
::"r" (pix), "r" (line_size), "r" (line_size*3), "r"(p)
:"memory");
}
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;
MOVQ_ZERO(mm7);
i = 4;
while (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;
i--;
};
}
static void put_pixels_mmx(UINT8 *block, const UINT8 *pixels, int line_size, int h)
{
int hh;
UINT8 *p;
const UINT8 *pix;
p = block;
pix = pixels; // 2s
#if 0
do {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix)
:"memory");
pix += line_size;
p += line_size;
} while (--h);
#else
// this optimized code is not very usefull
// the above loop is definitely faster
// at least on Celeron 500MHz
hh = h & 3;
while (hh) {
__asm __volatile(
"movq %1, %%mm0\n\t"
"movq %%mm0, %0\n\t"
:"=m"(*p)
:"m"(*pix)
:"memory");
pix += line_size;
p += line_size;
hh--;
}
hh=h>>2;
while (hh) {
__asm __volatile(
"movq (%1), %%mm0 \n\t"
"movq (%1, %2), %%mm1 \n\t"
"movq (%1, %2, 2), %%mm2 \n\t"
"movq (%1, %3), %%mm3 \n\t"
"movq %%mm0, (%0) \n\t"
"movq %%mm1, (%0, %2) \n\t"
"movq %%mm2, (%0, %2, 2) \n\t"
"movq %%mm3, (%0, %3) \n\t"
::"r"(p), "r"(pix), "r"(line_size), "r"(line_size*3)
:"memory");
pix += line_size*4;
p += line_size*4;
hh--;
}
#endif
}
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;
MOVQ_ZERO(mm7);
MOVQ_WONE(mm4);
JUMPALIGN();
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;
MOVQ_ZERO(mm7);
MOVQ_WONE(mm4);
JUMPALIGN();
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; // 1s
MOVQ_ZERO(mm7);
MOVQ_WTWO(mm6);
JUMPALIGN();
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;
MOVQ_ZERO(mm7);
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;
MOVQ_ZERO(mm7);
JUMPALIGN();
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;
MOVQ_ZERO(mm7);
MOVQ_WONE(mm6);
JUMPALIGN();
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;
MOVQ_ZERO(mm7);
MOVQ_WONE(mm6);
JUMPALIGN();
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;
MOVQ_ZERO(mm7);
MOVQ_WONE(mm6);
JUMPALIGN();
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;
MOVQ_ZERO(mm7);
MOVQ_WONE(mm6);
JUMPALIGN();
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;
MOVQ_ZERO(mm7);
// this doesn't seem to be used offten - so
// the inside usage of mm_wone is not optimized
MOVQ_WTWO(mm6);
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;
MOVQ_ZERO(mm7);
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;
MOVQ_ZERO(mm7);
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;
MOVQ_ZERO(mm7);
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;
MOVQ_ZERO(mm7);
MOVQ_WONE(mm6);
JUMPALIGN();
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;
MOVQ_ZERO(mm7);
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;
MOVQ_ZERO(mm7);
MOVQ_WONE(mm6);
JUMPALIGN();
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;
MOVQ_ZERO(mm7);
MOVQ_WONE(mm6);
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;
MOVQ_ZERO(mm7);
MOVQ_WTWO(mm6);
JUMPALIGN();
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);
}
static void clear_blocks_mmx(DCTELEM *blocks)
{
asm volatile(
"pxor %%mm7, %%mm7 \n\t"
"movl $-128*6, %%eax \n\t"
"1: \n\t"
"movq %%mm7, (%0, %%eax) \n\t"
"movq %%mm7, 8(%0, %%eax) \n\t"
"movq %%mm7, 16(%0, %%eax) \n\t"
"movq %%mm7, 24(%0, %%eax) \n\t"
"addl $32, %%eax \n\t"
" js 1b \n\t"
: : "r" (((int)blocks)+128*6)
: "%eax"
);
}
static void just_return() { return; }
void dsputil_init_mmx(void)
{
mm_flags = mm_support();
#if 1
printf("libavcodec: 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;
diff_pixels = diff_pixels_mmx;
put_pixels_clamped = put_pixels_clamped_mmx;
add_pixels_clamped = add_pixels_clamped_mmx;
clear_blocks= clear_blocks_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;
pix_abs8x8 = pix_abs8x8_mmx;
pix_abs8x8_x2 = pix_abs8x8_x2_mmx;
pix_abs8x8_y2 = pix_abs8x8_y2_mmx;
pix_abs8x8_xy2= pix_abs8x8_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_mmx2;
pix_abs16x16_x2 = pix_abs16x16_x2_mmx2;
pix_abs16x16_y2 = pix_abs16x16_y2_mmx2;
pix_abs16x16_xy2= pix_abs16x16_xy2_mmx2;
pix_abs8x8 = pix_abs8x8_mmx2;
pix_abs8x8_x2 = pix_abs8x8_x2_mmx2;
pix_abs8x8_y2 = pix_abs8x8_y2_mmx2;
pix_abs8x8_xy2= pix_abs8x8_xy2_mmx2;
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;
}
/* idct */
if (mm_flags & MM_MMXEXT) {
ff_idct = ff_mmxext_idct;
} else {
ff_idct = ff_mmx_idct;
}
#ifdef SIMPLE_IDCT
// ff_idct = simple_idct;
ff_idct = simple_idct_mmx;
#endif
}
#if 0
// for speed testing
get_pixels = just_return;
put_pixels_clamped = just_return;
add_pixels_clamped = just_return;
pix_abs16x16 = just_return;
pix_abs16x16_x2 = just_return;
pix_abs16x16_y2 = just_return;
pix_abs16x16_xy2 = just_return;
put_pixels_tab[0] = just_return;
put_pixels_tab[1] = just_return;
put_pixels_tab[2] = just_return;
put_pixels_tab[3] = just_return;
put_no_rnd_pixels_tab[0] = just_return;
put_no_rnd_pixels_tab[1] = just_return;
put_no_rnd_pixels_tab[2] = just_return;
put_no_rnd_pixels_tab[3] = just_return;
avg_pixels_tab[0] = just_return;
avg_pixels_tab[1] = just_return;
avg_pixels_tab[2] = just_return;
avg_pixels_tab[3] = just_return;
avg_no_rnd_pixels_tab[0] = just_return;
avg_no_rnd_pixels_tab[1] = just_return;
avg_no_rnd_pixels_tab[2] = just_return;
avg_no_rnd_pixels_tab[3] = just_return;
sub_pixels_tab[0] = just_return;
sub_pixels_tab[1] = just_return;
sub_pixels_tab[2] = just_return;
sub_pixels_tab[3] = just_return;
//av_fdct = just_return;
//ff_idct = just_return;
#endif
}