dsputil_mmx.c 118 KB
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/*
 * MMX optimized DSP utils
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 * Copyright (c) 2000, 2001 Fabrice Bellard
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 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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 *
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 * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
 *
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 * This file is part of Libav.
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 *
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 * Libav is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
 * 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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 * Libav 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
 * 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 Libav; 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/cpu.h"
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#include "libavutil/x86/asm.h"
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#include "libavcodec/dsputil.h"
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#include "libavcodec/h264dsp.h"
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#include "libavcodec/mpegvideo.h"
#include "libavcodec/simple_idct.h"
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#include "dsputil_mmx.h"
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#include "idct_xvid.h"
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//#undef NDEBUG
//#include <assert.h>

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/* pixel operations */
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DECLARE_ALIGNED(8,  const uint64_t, ff_bone) = 0x0101010101010101ULL;
DECLARE_ALIGNED(8,  const uint64_t, ff_wtwo) = 0x0002000200020002ULL;
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DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_1)    = { 0x0001000100010001ULL, 0x0001000100010001ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_2)    = { 0x0002000200020002ULL, 0x0002000200020002ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_3)    = { 0x0003000300030003ULL, 0x0003000300030003ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_4)    = { 0x0004000400040004ULL, 0x0004000400040004ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_5)    = { 0x0005000500050005ULL, 0x0005000500050005ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_8)    = { 0x0008000800080008ULL, 0x0008000800080008ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_9)    = { 0x0009000900090009ULL, 0x0009000900090009ULL };
DECLARE_ALIGNED(8,  const uint64_t, ff_pw_15)   =   0x000F000F000F000FULL;
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_16)   = { 0x0010001000100010ULL, 0x0010001000100010ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_17)   = { 0x0011001100110011ULL, 0x0011001100110011ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_18)   = { 0x0012001200120012ULL, 0x0012001200120012ULL };
DECLARE_ALIGNED(8,  const uint64_t, ff_pw_20)   =   0x0014001400140014ULL;
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_27)   = { 0x001B001B001B001BULL, 0x001B001B001B001BULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_28)   = { 0x001C001C001C001CULL, 0x001C001C001C001CULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_32)   = { 0x0020002000200020ULL, 0x0020002000200020ULL };
DECLARE_ALIGNED(8,  const uint64_t, ff_pw_42)   =   0x002A002A002A002AULL;
DECLARE_ALIGNED(8,  const uint64_t, ff_pw_53)   =   0x0035003500350035ULL;
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_63)   = { 0x003F003F003F003FULL, 0x003F003F003F003FULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_64)   = { 0x0040004000400040ULL, 0x0040004000400040ULL };
DECLARE_ALIGNED(8,  const uint64_t, ff_pw_96)   =   0x0060006000600060ULL;
DECLARE_ALIGNED(8,  const uint64_t, ff_pw_128)  =   0x0080008000800080ULL;
DECLARE_ALIGNED(8,  const uint64_t, ff_pw_255)  =   0x00ff00ff00ff00ffULL;
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_512)  = { 0x0200020002000200ULL, 0x0200020002000200ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pw_1019) = { 0x03FB03FB03FB03FBULL, 0x03FB03FB03FB03FBULL };

DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_0)    = { 0x0000000000000000ULL, 0x0000000000000000ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_1)    = { 0x0101010101010101ULL, 0x0101010101010101ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_3)    = { 0x0303030303030303ULL, 0x0303030303030303ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_4)    = { 0x0404040404040404ULL, 0x0404040404040404ULL };
DECLARE_ALIGNED(8,  const uint64_t, ff_pb_7)    =   0x0707070707070707ULL;
DECLARE_ALIGNED(8,  const uint64_t, ff_pb_1F)   =   0x1F1F1F1F1F1F1F1FULL;
DECLARE_ALIGNED(8,  const uint64_t, ff_pb_3F)   =   0x3F3F3F3F3F3F3F3FULL;
DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_80)   = { 0x8080808080808080ULL, 0x8080808080808080ULL };
DECLARE_ALIGNED(8,  const uint64_t, ff_pb_81)   =   0x8181818181818181ULL;
DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_A1)   = { 0xA1A1A1A1A1A1A1A1ULL, 0xA1A1A1A1A1A1A1A1ULL };
DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_F8)   = { 0xF8F8F8F8F8F8F8F8ULL, 0xF8F8F8F8F8F8F8F8ULL };
DECLARE_ALIGNED(8,  const uint64_t, ff_pb_FC)   =   0xFCFCFCFCFCFCFCFCULL;
DECLARE_ALIGNED(16, const xmm_reg,  ff_pb_FE)   = { 0xFEFEFEFEFEFEFEFEULL, 0xFEFEFEFEFEFEFEFEULL };
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DECLARE_ALIGNED(16, const double, ff_pd_1)[2] = { 1.0, 1.0 };
DECLARE_ALIGNED(16, const double, ff_pd_2)[2] = { 2.0, 2.0 };
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#if HAVE_INLINE_ASM

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#define JUMPALIGN()     __asm__ volatile (".p2align 3"::)
#define MOVQ_ZERO(regd) __asm__ volatile ("pxor %%"#regd", %%"#regd ::)
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#define MOVQ_BFE(regd)                                  \
    __asm__ volatile (                                  \
        "pcmpeqd %%"#regd", %%"#regd"   \n\t"           \
        "paddb   %%"#regd", %%"#regd"   \n\t" ::)
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#ifndef PIC
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#define MOVQ_BONE(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_bone))
#define MOVQ_WTWO(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_wtwo))
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#else
// for shared library it's better to use this way for accessing constants
// pcmpeqd -> -1
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#define MOVQ_BONE(regd)                                 \
    __asm__ volatile (                                  \
        "pcmpeqd  %%"#regd", %%"#regd"  \n\t"           \
        "psrlw          $15, %%"#regd"  \n\t"           \
        "packuswb %%"#regd", %%"#regd"  \n\t" ::)

#define MOVQ_WTWO(regd)                                 \
    __asm__ volatile (                                  \
        "pcmpeqd %%"#regd", %%"#regd"   \n\t"           \
        "psrlw         $15, %%"#regd"   \n\t"           \
        "psllw          $1, %%"#regd"   \n\t"::)
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#endif

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// using regr as temporary and for the output result
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// first argument is unmodifed and second is trashed
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// regfe is supposed to contain 0xfefefefefefefefe
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#define PAVGB_MMX_NO_RND(rega, regb, regr, regfe)                \
    "movq   "#rega", "#regr"            \n\t"                    \
    "pand   "#regb", "#regr"            \n\t"                    \
    "pxor   "#rega", "#regb"            \n\t"                    \
    "pand  "#regfe", "#regb"            \n\t"                    \
    "psrlq       $1, "#regb"            \n\t"                    \
    "paddb  "#regb", "#regr"            \n\t"

#define PAVGB_MMX(rega, regb, regr, regfe)                       \
    "movq   "#rega", "#regr"            \n\t"                    \
    "por    "#regb", "#regr"            \n\t"                    \
    "pxor   "#rega", "#regb"            \n\t"                    \
    "pand  "#regfe", "#regb"            \n\t"                    \
    "psrlq       $1, "#regb"            \n\t"                    \
    "psubb  "#regb", "#regr"            \n\t"
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// mm6 is supposed to contain 0xfefefefefefefefe
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#define PAVGBP_MMX_NO_RND(rega, regb, regr,  regc, regd, regp)   \
    "movq  "#rega", "#regr"             \n\t"                    \
    "movq  "#regc", "#regp"             \n\t"                    \
    "pand  "#regb", "#regr"             \n\t"                    \
    "pand  "#regd", "#regp"             \n\t"                    \
    "pxor  "#rega", "#regb"             \n\t"                    \
    "pxor  "#regc", "#regd"             \n\t"                    \
    "pand    %%mm6, "#regb"             \n\t"                    \
    "pand    %%mm6, "#regd"             \n\t"                    \
    "psrlq      $1, "#regb"             \n\t"                    \
    "psrlq      $1, "#regd"             \n\t"                    \
    "paddb "#regb", "#regr"             \n\t"                    \
    "paddb "#regd", "#regp"             \n\t"

#define PAVGBP_MMX(rega, regb, regr, regc, regd, regp)           \
    "movq  "#rega", "#regr"             \n\t"                    \
    "movq  "#regc", "#regp"             \n\t"                    \
    "por   "#regb", "#regr"             \n\t"                    \
    "por   "#regd", "#regp"             \n\t"                    \
    "pxor  "#rega", "#regb"             \n\t"                    \
    "pxor  "#regc", "#regd"             \n\t"                    \
    "pand    %%mm6, "#regb"             \n\t"                    \
    "pand    %%mm6, "#regd"             \n\t"                    \
    "psrlq      $1, "#regd"             \n\t"                    \
    "psrlq      $1, "#regb"             \n\t"                    \
    "psubb "#regb", "#regr"             \n\t"                    \
    "psubb "#regd", "#regp"             \n\t"
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/***********************************/
/* MMX no rounding */
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#define NO_RND 1
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#define DEF(x, y) x ## _no_rnd_ ## y ## _mmx
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#define SET_RND  MOVQ_WONE
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#define PAVGBP(a, b, c, d, e, f)        PAVGBP_MMX_NO_RND(a, b, c, d, e, f)
#define PAVGB(a, b, c, e)               PAVGB_MMX_NO_RND(a, b, c, e)
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#define OP_AVG(a, b, c, e)              PAVGB_MMX(a, b, c, e)
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#include "dsputil_rnd_template.c"
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#undef DEF
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#undef SET_RND
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#undef PAVGBP
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#undef PAVGB
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#undef NO_RND
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/***********************************/
/* MMX rounding */

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#define DEF(x, y) x ## _ ## y ## _mmx
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#define SET_RND  MOVQ_WTWO
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#define PAVGBP(a, b, c, d, e, f)        PAVGBP_MMX(a, b, c, d, e, f)
#define PAVGB(a, b, c, e)               PAVGB_MMX(a, b, c, e)
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#include "dsputil_rnd_template.c"
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#undef DEF
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#undef SET_RND
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#undef PAVGBP
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#undef PAVGB
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#undef OP_AVG
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/***********************************/
/* 3Dnow specific */

#define DEF(x) x ## _3dnow
#define PAVGB "pavgusb"
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#define SKIP_FOR_3DNOW
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#include "dsputil_avg_template.c"
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#undef DEF
#undef PAVGB
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#undef SKIP_FOR_3DNOW
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/***********************************/
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/* MMXEXT specific */
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#define DEF(x) x ## _mmxext
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/* Introduced only in MMXEXT set */
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#define PAVGB "pavgb"

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#include "dsputil_avg_template.c"
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#undef DEF
#undef PAVGB

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#define put_no_rnd_pixels16_mmx put_pixels16_mmx
#define put_no_rnd_pixels8_mmx put_pixels8_mmx
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#define put_pixels16_mmxext put_pixels16_mmx
#define put_pixels8_mmxext put_pixels8_mmx
#define put_pixels4_mmxext put_pixels4_mmx
#define put_no_rnd_pixels16_mmxext put_no_rnd_pixels16_mmx
#define put_no_rnd_pixels8_mmxext put_no_rnd_pixels8_mmx
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/***********************************/
/* standard MMX */

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void ff_put_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels,
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                               int line_size)
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{
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    const int16_t *p;
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    uint8_t *pix;
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    /* read the pixels */
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    p   = block;
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    pix = pixels;
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    /* unrolled loop */
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    __asm__ volatile (
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        "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"
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        "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"((x86_reg)line_size), "r"((x86_reg)line_size * 3),
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           "r"(p)
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        : "memory");
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    pix += line_size * 4;
    p   += 32;
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    // if here would be an exact copy of the code above
    // compiler would generate some very strange code
    // thus using "r"
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    __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"((x86_reg)line_size), "r"((x86_reg)line_size * 3), "r"(p)
        : "memory");
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}

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#define put_signed_pixels_clamped_mmx_half(off)             \
    "movq          "#off"(%2), %%mm1        \n\t"           \
    "movq     16 + "#off"(%2), %%mm2        \n\t"           \
    "movq     32 + "#off"(%2), %%mm3        \n\t"           \
    "movq     48 + "#off"(%2), %%mm4        \n\t"           \
    "packsswb  8 + "#off"(%2), %%mm1        \n\t"           \
    "packsswb 24 + "#off"(%2), %%mm2        \n\t"           \
    "packsswb 40 + "#off"(%2), %%mm3        \n\t"           \
    "packsswb 56 + "#off"(%2), %%mm4        \n\t"           \
    "paddb              %%mm0, %%mm1        \n\t"           \
    "paddb              %%mm0, %%mm2        \n\t"           \
    "paddb              %%mm0, %%mm3        \n\t"           \
    "paddb              %%mm0, %%mm4        \n\t"           \
    "movq               %%mm1, (%0)         \n\t"           \
    "movq               %%mm2, (%0, %3)     \n\t"           \
    "movq               %%mm3, (%0, %3, 2)  \n\t"           \
    "movq               %%mm4, (%0, %1)     \n\t"
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void ff_put_signed_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels,
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                                      int line_size)
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{
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    x86_reg line_skip = line_size;
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    x86_reg line_skip3;
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    __asm__ volatile (
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        "movq "MANGLE(ff_pb_80)", %%mm0     \n\t"
        "lea         (%3, %3, 2), %1        \n\t"
        put_signed_pixels_clamped_mmx_half(0)
        "lea         (%0, %3, 4), %0        \n\t"
        put_signed_pixels_clamped_mmx_half(64)
        : "+&r"(pixels), "=&r"(line_skip3)
        : "r"(block), "r"(line_skip)
        : "memory");
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}

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void ff_add_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels,
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                               int line_size)
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{
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    const int16_t *p;
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    uint8_t *pix;
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    int i;

    /* read the pixels */
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    p   = block;
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    pix = pixels;
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    MOVQ_ZERO(mm7);
    i = 4;
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    do {
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        __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))
            : "r"(p)
            : "memory");
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        pix += line_size * 2;
        p   += 16;
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    } while (--i);
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}

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static void put_pixels8_mmx(uint8_t *block, const uint8_t *pixels,
                            int line_size, int h)
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{
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    __asm__ volatile (
        "lea   (%3, %3), %%"REG_a"      \n\t"
        ".p2align     3                 \n\t"
        "1:                             \n\t"
        "movq  (%1    ), %%mm0          \n\t"
        "movq  (%1, %3), %%mm1          \n\t"
        "movq     %%mm0, (%2)           \n\t"
        "movq     %%mm1, (%2, %3)       \n\t"
        "add  %%"REG_a", %1             \n\t"
        "add  %%"REG_a", %2             \n\t"
        "movq  (%1    ), %%mm0          \n\t"
        "movq  (%1, %3), %%mm1          \n\t"
        "movq     %%mm0, (%2)           \n\t"
        "movq     %%mm1, (%2, %3)       \n\t"
        "add  %%"REG_a", %1             \n\t"
        "add  %%"REG_a", %2             \n\t"
        "subl        $4, %0             \n\t"
        "jnz         1b                 \n\t"
        : "+g"(h), "+r"(pixels),  "+r"(block)
        : "r"((x86_reg)line_size)
        : "%"REG_a, "memory"
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        );
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}

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static void put_pixels16_mmx(uint8_t *block, const uint8_t *pixels,
                             int line_size, int h)
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{
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    __asm__ volatile (
        "lea   (%3, %3), %%"REG_a"      \n\t"
        ".p2align     3                 \n\t"
        "1:                             \n\t"
        "movq  (%1    ), %%mm0          \n\t"
        "movq 8(%1    ), %%mm4          \n\t"
        "movq  (%1, %3), %%mm1          \n\t"
        "movq 8(%1, %3), %%mm5          \n\t"
        "movq     %%mm0,  (%2)          \n\t"
        "movq     %%mm4, 8(%2)          \n\t"
        "movq     %%mm1,  (%2, %3)      \n\t"
        "movq     %%mm5, 8(%2, %3)      \n\t"
        "add  %%"REG_a", %1             \n\t"
        "add  %%"REG_a", %2             \n\t"
        "movq  (%1    ), %%mm0          \n\t"
        "movq 8(%1    ), %%mm4          \n\t"
        "movq  (%1, %3), %%mm1          \n\t"
        "movq 8(%1, %3), %%mm5          \n\t"
        "movq     %%mm0,  (%2)          \n\t"
        "movq     %%mm4, 8(%2)          \n\t"
        "movq     %%mm1,  (%2, %3)      \n\t"
        "movq     %%mm5, 8(%2, %3)      \n\t"
        "add  %%"REG_a", %1             \n\t"
        "add  %%"REG_a", %2             \n\t"
        "subl        $4, %0             \n\t"
        "jnz         1b                 \n\t"
        : "+g"(h), "+r"(pixels),  "+r"(block)
        : "r"((x86_reg)line_size)
        : "%"REG_a, "memory"
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        );
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}

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#define CLEAR_BLOCKS(name, n)                           \
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static void name(int16_t *blocks)                       \
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{                                                       \
    __asm__ volatile (                                  \
        "pxor %%mm7, %%mm7              \n\t"           \
        "mov     %1,        %%"REG_a"   \n\t"           \
        "1:                             \n\t"           \
        "movq %%mm7,   (%0, %%"REG_a")  \n\t"           \
        "movq %%mm7,  8(%0, %%"REG_a")  \n\t"           \
        "movq %%mm7, 16(%0, %%"REG_a")  \n\t"           \
        "movq %%mm7, 24(%0, %%"REG_a")  \n\t"           \
        "add    $32, %%"REG_a"          \n\t"           \
        "js      1b                     \n\t"           \
        :: "r"(((uint8_t *)blocks) + 128 * n),          \
           "i"(-128 * n)                                \
        : "%"REG_a                                      \
        );                                              \
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}
CLEAR_BLOCKS(clear_blocks_mmx, 6)
CLEAR_BLOCKS(clear_block_mmx, 1)

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static void clear_block_sse(int16_t *block)
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{
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    __asm__ volatile (
        "xorps  %%xmm0, %%xmm0          \n"
        "movaps %%xmm0,    (%0)         \n"
        "movaps %%xmm0,  16(%0)         \n"
        "movaps %%xmm0,  32(%0)         \n"
        "movaps %%xmm0,  48(%0)         \n"
        "movaps %%xmm0,  64(%0)         \n"
        "movaps %%xmm0,  80(%0)         \n"
        "movaps %%xmm0,  96(%0)         \n"
        "movaps %%xmm0, 112(%0)         \n"
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        :: "r"(block)
        : "memory"
    );
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}

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static void clear_blocks_sse(int16_t *blocks)
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{
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    __asm__ volatile (
        "xorps  %%xmm0, %%xmm0              \n"
        "mov        %1,         %%"REG_a"   \n"
        "1:                                 \n"
        "movaps %%xmm0,    (%0, %%"REG_a")  \n"
        "movaps %%xmm0,  16(%0, %%"REG_a")  \n"
        "movaps %%xmm0,  32(%0, %%"REG_a")  \n"
        "movaps %%xmm0,  48(%0, %%"REG_a")  \n"
        "movaps %%xmm0,  64(%0, %%"REG_a")  \n"
        "movaps %%xmm0,  80(%0, %%"REG_a")  \n"
        "movaps %%xmm0,  96(%0, %%"REG_a")  \n"
        "movaps %%xmm0, 112(%0, %%"REG_a")  \n"
        "add      $128,         %%"REG_a"   \n"
        "js         1b                      \n"
        :: "r"(((uint8_t *)blocks) + 128 * 6),
           "i"(-128 * 6)
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        : "%"REG_a
    );
}

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static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w)
{
    x86_reg i = 0;
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    __asm__ volatile (
        "jmp          2f                \n\t"
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        "1:                             \n\t"
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        "movq   (%1, %0), %%mm0         \n\t"
        "movq   (%2, %0), %%mm1         \n\t"
        "paddb     %%mm0, %%mm1         \n\t"
        "movq      %%mm1, (%2, %0)      \n\t"
        "movq  8(%1, %0), %%mm0         \n\t"
        "movq  8(%2, %0), %%mm1         \n\t"
        "paddb     %%mm0, %%mm1         \n\t"
        "movq      %%mm1, 8(%2, %0)     \n\t"
        "add         $16, %0            \n\t"
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        "2:                             \n\t"
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        "cmp          %3, %0            \n\t"
        "js           1b                \n\t"
        : "+r"(i)
        : "r"(src), "r"(dst), "r"((x86_reg)w - 15)
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    );
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    for ( ; i < w; i++)
        dst[i + 0] += src[i + 0];
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}

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#if HAVE_7REGS
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static void add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top,
                                            const uint8_t *diff, int w,
                                            int *left, int *left_top)
{
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    x86_reg w2 = -w;
    x86_reg x;
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    int l  = *left     & 0xff;
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    int tl = *left_top & 0xff;
    int t;
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    __asm__ volatile (
        "mov          %7, %3            \n"
        "1:                             \n"
        "movzbl (%3, %4), %2            \n"
        "mov          %2, %k3           \n"
        "sub         %b1, %b3           \n"
        "add         %b0, %b3           \n"
        "mov          %2, %1            \n"
        "cmp          %0, %2            \n"
        "cmovg        %0, %2            \n"
        "cmovg        %1, %0            \n"
        "cmp         %k3, %0            \n"
        "cmovg       %k3, %0            \n"
        "mov          %7, %3            \n"
        "cmp          %2, %0            \n"
        "cmovl        %2, %0            \n"
        "add    (%6, %4), %b0           \n"
        "mov         %b0, (%5, %4)      \n"
        "inc          %4                \n"
        "jl           1b                \n"
        : "+&q"(l), "+&q"(tl), "=&r"(t), "=&q"(x), "+&r"(w2)
        : "r"(dst + w), "r"(diff + w), "rm"(top + w)
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    );
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    *left     = l;
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    *left_top = tl;
}
#endif

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static inline void transpose4x4(uint8_t *dst, uint8_t *src, x86_reg dst_stride, x86_reg src_stride){
    __asm__ volatile( //FIXME could save 1 instruction if done as 8x4 ...
        "movd  (%1), %%mm0              \n\t"
        "add   %3, %1                   \n\t"
        "movd  (%1), %%mm1              \n\t"
        "movd  (%1,%3,1), %%mm2         \n\t"
        "movd  (%1,%3,2), %%mm3         \n\t"
        "punpcklbw %%mm1, %%mm0         \n\t"
        "punpcklbw %%mm3, %%mm2         \n\t"
        "movq %%mm0, %%mm1              \n\t"
        "punpcklwd %%mm2, %%mm0         \n\t"
        "punpckhwd %%mm2, %%mm1         \n\t"
        "movd  %%mm0, (%0)              \n\t"
        "add   %2, %0                   \n\t"
        "punpckhdq %%mm0, %%mm0         \n\t"
        "movd  %%mm0, (%0)              \n\t"
        "movd  %%mm1, (%0,%2,1)         \n\t"
        "punpckhdq %%mm1, %%mm1         \n\t"
        "movd  %%mm1, (%0,%2,2)         \n\t"

        :  "+&r" (dst),
           "+&r" (src)
        :  "r" (dst_stride),
           "r" (src_stride)
        :  "memory"
    );
}

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#define H263_LOOP_FILTER                        \
    "pxor      %%mm7, %%mm7             \n\t"   \
    "movq         %0, %%mm0             \n\t"   \
    "movq         %0, %%mm1             \n\t"   \
    "movq         %3, %%mm2             \n\t"   \
    "movq         %3, %%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         %1, %%mm2             \n\t"   \
    "movq         %1, %%mm3             \n\t"   \
    "movq         %2, %%mm4             \n\t"   \
    "movq         %2, %%mm5             \n\t"   \
    "punpcklbw %%mm7, %%mm2             \n\t"   \
    "punpckhbw %%mm7, %%mm3             \n\t"   \
    "punpcklbw %%mm7, %%mm4             \n\t"   \
    "punpckhbw %%mm7, %%mm5             \n\t"   \
    "psubw     %%mm2, %%mm4             \n\t"   \
    "psubw     %%mm3, %%mm5             \n\t"   \
    "psllw        $2, %%mm4             \n\t"   \
    "psllw        $2, %%mm5             \n\t"   \
    "paddw     %%mm0, %%mm4             \n\t"   \
    "paddw     %%mm1, %%mm5             \n\t"   \
    "pxor      %%mm6, %%mm6             \n\t"   \
    "pcmpgtw   %%mm4, %%mm6             \n\t"   \
    "pcmpgtw   %%mm5, %%mm7             \n\t"   \
    "pxor      %%mm6, %%mm4             \n\t"   \
    "pxor      %%mm7, %%mm5             \n\t"   \
    "psubw     %%mm6, %%mm4             \n\t"   \
    "psubw     %%mm7, %%mm5             \n\t"   \
    "psrlw        $3, %%mm4             \n\t"   \
    "psrlw        $3, %%mm5             \n\t"   \
    "packuswb  %%mm5, %%mm4             \n\t"   \
    "packsswb  %%mm7, %%mm6             \n\t"   \
    "pxor      %%mm7, %%mm7             \n\t"   \
    "movd         %4, %%mm2             \n\t"   \
    "punpcklbw %%mm2, %%mm2             \n\t"   \
    "punpcklbw %%mm2, %%mm2             \n\t"   \
    "punpcklbw %%mm2, %%mm2             \n\t"   \
    "psubusb   %%mm4, %%mm2             \n\t"   \
    "movq      %%mm2, %%mm3             \n\t"   \
    "psubusb   %%mm4, %%mm3             \n\t"   \
    "psubb     %%mm3, %%mm2             \n\t"   \
    "movq         %1, %%mm3             \n\t"   \
    "movq         %2, %%mm4             \n\t"   \
    "pxor      %%mm6, %%mm3             \n\t"   \
    "pxor      %%mm6, %%mm4             \n\t"   \
    "paddusb   %%mm2, %%mm3             \n\t"   \
    "psubusb   %%mm2, %%mm4             \n\t"   \
    "pxor      %%mm6, %%mm3             \n\t"   \
    "pxor      %%mm6, %%mm4             \n\t"   \
    "paddusb   %%mm2, %%mm2             \n\t"   \
    "packsswb  %%mm1, %%mm0             \n\t"   \
    "pcmpgtb   %%mm0, %%mm7             \n\t"   \
    "pxor      %%mm7, %%mm0             \n\t"   \
    "psubb     %%mm7, %%mm0             \n\t"   \
    "movq      %%mm0, %%mm1             \n\t"   \
    "psubusb   %%mm2, %%mm0             \n\t"   \
    "psubb     %%mm0, %%mm1             \n\t"   \
    "pand         %5, %%mm1             \n\t"   \
    "psrlw        $2, %%mm1             \n\t"   \
    "pxor      %%mm7, %%mm1             \n\t"   \
    "psubb     %%mm7, %%mm1             \n\t"   \
    "movq         %0, %%mm5             \n\t"   \
    "movq         %3, %%mm6             \n\t"   \
    "psubb     %%mm1, %%mm5             \n\t"   \
    "paddb     %%mm1, %%mm6             \n\t"
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static void h263_v_loop_filter_mmx(uint8_t *src, int stride, int qscale)
{
    if (CONFIG_H263_DECODER || CONFIG_H263_ENCODER) {
        const int strength = ff_h263_loop_filter_strength[qscale];
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        __asm__ volatile (
            H263_LOOP_FILTER

            "movq %%mm3, %1             \n\t"
            "movq %%mm4, %2             \n\t"
            "movq %%mm5, %0             \n\t"
            "movq %%mm6, %3             \n\t"
            : "+m"(*(uint64_t*)(src - 2 * stride)),
              "+m"(*(uint64_t*)(src - 1 * stride)),
              "+m"(*(uint64_t*)(src + 0 * stride)),
              "+m"(*(uint64_t*)(src + 1 * stride))
            : "g"(2 * strength), "m"(ff_pb_FC)
            );
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    }
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}

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static void h263_h_loop_filter_mmx(uint8_t *src, int stride, int qscale)
{
    if (CONFIG_H263_DECODER || CONFIG_H263_ENCODER) {
        const int strength = ff_h263_loop_filter_strength[qscale];
        DECLARE_ALIGNED(8, uint64_t, temp)[4];
        uint8_t *btemp = (uint8_t*)temp;
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        src -= 2;
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        transpose4x4(btemp,     src,              8, stride);
        transpose4x4(btemp + 4, src + 4 * stride, 8, stride);
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        __asm__ volatile (
            H263_LOOP_FILTER // 5 3 4 6

            : "+m"(temp[0]),
              "+m"(temp[1]),
              "+m"(temp[2]),
              "+m"(temp[3])
            : "g"(2 * strength), "m"(ff_pb_FC)
            );
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        __asm__ volatile (
            "movq      %%mm5, %%mm1         \n\t"
            "movq      %%mm4, %%mm0         \n\t"
            "punpcklbw %%mm3, %%mm5         \n\t"
            "punpcklbw %%mm6, %%mm4         \n\t"
            "punpckhbw %%mm3, %%mm1         \n\t"
            "punpckhbw %%mm6, %%mm0         \n\t"
            "movq      %%mm5, %%mm3         \n\t"
            "movq      %%mm1, %%mm6         \n\t"
            "punpcklwd %%mm4, %%mm5         \n\t"
            "punpcklwd %%mm0, %%mm1         \n\t"
            "punpckhwd %%mm4, %%mm3         \n\t"
            "punpckhwd %%mm0, %%mm6         \n\t"
            "movd      %%mm5, (%0)          \n\t"
            "punpckhdq %%mm5, %%mm5         \n\t"
            "movd      %%mm5, (%0, %2)      \n\t"
            "movd      %%mm3, (%0, %2, 2)   \n\t"
            "punpckhdq %%mm3, %%mm3         \n\t"
            "movd      %%mm3, (%0, %3)      \n\t"
            "movd      %%mm1, (%1)          \n\t"
            "punpckhdq %%mm1, %%mm1         \n\t"
            "movd      %%mm1, (%1, %2)      \n\t"
            "movd      %%mm6, (%1, %2, 2)   \n\t"
            "punpckhdq %%mm6, %%mm6         \n\t"
            "movd      %%mm6, (%1, %3)      \n\t"
            :: "r"(src),
               "r"(src + 4 * stride),
               "r"((x86_reg)stride),
               "r"((x86_reg)(3 * stride))
            );
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    }
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}

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/* Draw the edges of width 'w' of an image of size width, height
 * this MMX version can only handle w == 8 || w == 16. */
static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,
                           int w, int h, int sides)
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{
    uint8_t *ptr, *last_line;
    int i;

    last_line = buf + (height - 1) * wrap;
    /* left and right */
    ptr = buf;
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    if (w == 8) {
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        __asm__ volatile (
            "1:                             \n\t"
            "movd            (%0), %%mm0    \n\t"
            "punpcklbw      %%mm0, %%mm0    \n\t"
            "punpcklwd      %%mm0, %%mm0    \n\t"
            "punpckldq      %%mm0, %%mm0    \n\t"
            "movq           %%mm0, -8(%0)   \n\t"
            "movq      -8(%0, %2), %%mm1    \n\t"
            "punpckhbw      %%mm1, %%mm1    \n\t"
            "punpckhwd      %%mm1, %%mm1    \n\t"
            "punpckhdq      %%mm1, %%mm1    \n\t"
            "movq           %%mm1, (%0, %2) \n\t"
            "add               %1, %0       \n\t"
            "cmp               %3, %0       \n\t"
            "jb                1b           \n\t"
            : "+r"(ptr)
            : "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height)
            );
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    } else {
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        __asm__ volatile (
            "1:                                 \n\t"
            "movd            (%0), %%mm0        \n\t"
            "punpcklbw      %%mm0, %%mm0        \n\t"
            "punpcklwd      %%mm0, %%mm0        \n\t"
            "punpckldq      %%mm0, %%mm0        \n\t"
            "movq           %%mm0, -8(%0)       \n\t"
            "movq           %%mm0, -16(%0)      \n\t"
            "movq      -8(%0, %2), %%mm1        \n\t"
            "punpckhbw      %%mm1, %%mm1        \n\t"
            "punpckhwd      %%mm1, %%mm1        \n\t"
            "punpckhdq      %%mm1, %%mm1        \n\t"
            "movq           %%mm1,  (%0, %2)    \n\t"
            "movq           %%mm1, 8(%0, %2)    \n\t"
            "add               %1, %0           \n\t"
            "cmp               %3, %0           \n\t"
            "jb                1b               \n\t"
            : "+r"(ptr)
            : "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height)
            );
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    }

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    /* top and bottom (and hopefully also the corners) */
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    if (sides & EDGE_TOP) {
        for (i = 0; i < h; i += 4) {
            ptr = buf - (i + 1) * wrap - w;
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            __asm__ volatile (
                "1:                             \n\t"
                "movq (%1, %0), %%mm0           \n\t"
                "movq    %%mm0, (%0)            \n\t"
                "movq    %%mm0, (%0, %2)        \n\t"
                "movq    %%mm0, (%0, %2, 2)     \n\t"
                "movq    %%mm0, (%0, %3)        \n\t"
                "add        $8, %0              \n\t"
                "cmp        %4, %0              \n\t"
                "jb         1b                  \n\t"
                : "+r"(ptr)
                : "r"((x86_reg)buf - (x86_reg)ptr - w), "r"((x86_reg) -wrap),
                  "r"((x86_reg) -wrap * 3), "r"(ptr + width + 2 * w)
                );
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        }
    }

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    if (sides & EDGE_BOTTOM) {
        for (i = 0; i < h; i += 4) {
            ptr = last_line + (i + 1) * wrap - w;
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            __asm__ volatile (
                "1:                             \n\t"
                "movq (%1, %0), %%mm0           \n\t"
                "movq    %%mm0, (%0)            \n\t"
                "movq    %%mm0, (%0, %2)        \n\t"
                "movq    %%mm0, (%0, %2, 2)     \n\t"
                "movq    %%mm0, (%0, %3)        \n\t"
                "add        $8, %0              \n\t"
                "cmp        %4, %0              \n\t"
                "jb         1b                  \n\t"
                : "+r"(ptr)
                : "r"((x86_reg)last_line - (x86_reg)ptr - w),
                  "r"((x86_reg)wrap), "r"((x86_reg)wrap * 3),
                  "r"(ptr + width + 2 * w)
                );
815
        }
816 817 818
    }
}

819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840
#define QPEL_V_LOW(m3, m4, m5, m6, pw_20, pw_3, rnd,                      \
                   in0, in1, in2, in7, out, OP)                           \
    "paddw               "#m4", "#m3"   \n\t" /* x1 */                    \
    "movq   "MANGLE(ff_pw_20)", %%mm4   \n\t" /* 20 */                    \
    "pmullw              "#m3", %%mm4   \n\t" /* 20x1 */                  \
    "movq               "#in7", "#m3"   \n\t" /* d */                     \
    "movq               "#in0", %%mm5   \n\t" /* D */                     \
    "paddw               "#m3", %%mm5   \n\t" /* x4 */                    \
    "psubw               %%mm5, %%mm4   \n\t" /* 20x1 - x4 */             \
    "movq               "#in1", %%mm5   \n\t" /* C */                     \
    "movq               "#in2", %%mm6   \n\t" /* B */                     \
    "paddw               "#m6", %%mm5   \n\t" /* x3 */                    \
    "paddw               "#m5", %%mm6   \n\t" /* x2 */                    \
    "paddw               %%mm6, %%mm6   \n\t" /* 2x2 */                   \
    "psubw               %%mm6, %%mm5   \n\t" /* -2x2 + x3 */             \
    "pmullw  "MANGLE(ff_pw_3)", %%mm5   \n\t" /* -6x2 + 3x3 */            \
    "paddw              "#rnd", %%mm4   \n\t" /* x2 */                    \
    "paddw               %%mm4, %%mm5   \n\t" /* 20x1 - 6x2 + 3x3 - x4 */ \
    "psraw                  $5, %%mm5   \n\t"                             \
    "packuswb            %%mm5, %%mm5   \n\t"                             \
    OP(%%mm5, out, %%mm7, d)

841
#define QPEL_BASE(OPNAME, ROUNDER, RND, OP_MMXEXT)                        \
842 843 844 845 846
static void OPNAME ## mpeg4_qpel16_h_lowpass_mmxext(uint8_t *dst,         \
                                                    uint8_t *src,         \
                                                    int dstStride,        \
                                                    int srcStride,        \
                                                    int h)                \
847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908
{                                                                         \
    uint64_t temp;                                                        \
                                                                          \
    __asm__ volatile (                                                    \
        "pxor      %%mm7, %%mm7             \n\t"                         \
        "1:                                 \n\t"                         \
        "movq       (%0), %%mm0             \n\t" /* ABCDEFGH */          \
        "movq      %%mm0, %%mm1             \n\t" /* ABCDEFGH */          \
        "movq      %%mm0, %%mm2             \n\t" /* ABCDEFGH */          \
        "punpcklbw %%mm7, %%mm0             \n\t" /* 0A0B0C0D */          \
        "punpckhbw %%mm7, %%mm1             \n\t" /* 0E0F0G0H */          \
        "pshufw    $0x90, %%mm0, %%mm5      \n\t" /* 0A0A0B0C */          \
        "pshufw    $0x41, %%mm0, %%mm6      \n\t" /* 0B0A0A0B */          \
        "movq      %%mm2, %%mm3             \n\t" /* ABCDEFGH */          \
        "movq      %%mm2, %%mm4             \n\t" /* ABCDEFGH */          \
        "psllq        $8, %%mm2             \n\t" /* 0ABCDEFG */          \
        "psllq       $16, %%mm3             \n\t" /* 00ABCDEF */          \
        "psllq       $24, %%mm4             \n\t" /* 000ABCDE */          \
        "punpckhbw %%mm7, %%mm2             \n\t" /* 0D0E0F0G */          \
        "punpckhbw %%mm7, %%mm3             \n\t" /* 0C0D0E0F */          \
        "punpckhbw %%mm7, %%mm4             \n\t" /* 0B0C0D0E */          \
        "paddw     %%mm3, %%mm5             \n\t" /* b */                 \
        "paddw     %%mm2, %%mm6             \n\t" /* c */                 \
        "paddw     %%mm5, %%mm5             \n\t" /* 2b */                \
        "psubw     %%mm5, %%mm6             \n\t" /* c - 2b */            \
        "pshufw    $0x06, %%mm0, %%mm5      \n\t" /* 0C0B0A0A */          \
        "pmullw "MANGLE(ff_pw_3)", %%mm6    \n\t" /* 3c - 6b */           \
        "paddw     %%mm4, %%mm0             \n\t" /* a */                 \
        "paddw     %%mm1, %%mm5             \n\t" /* d */                 \
        "pmullw "MANGLE(ff_pw_20)", %%mm0   \n\t" /* 20a */               \
        "psubw     %%mm5, %%mm0             \n\t" /* 20a - d */           \
        "paddw        %6, %%mm6             \n\t"                         \
        "paddw     %%mm6, %%mm0             \n\t" /* 20a - 6b + 3c - d */ \
        "psraw        $5, %%mm0             \n\t"                         \
        "movq      %%mm0, %5                \n\t"                         \
        /* mm1 = EFGH, mm2 = DEFG, mm3 = CDEF, mm4 = BCDE, mm7 = 0 */     \
                                                                          \
        "movq      5(%0), %%mm0             \n\t" /* FGHIJKLM */          \
        "movq      %%mm0, %%mm5             \n\t" /* FGHIJKLM */          \
        "movq      %%mm0, %%mm6             \n\t" /* FGHIJKLM */          \
        "psrlq        $8, %%mm0             \n\t" /* GHIJKLM0 */          \
        "psrlq       $16, %%mm5             \n\t" /* HIJKLM00 */          \
        "punpcklbw %%mm7, %%mm0             \n\t" /* 0G0H0I0J */          \
        "punpcklbw %%mm7, %%mm5             \n\t" /* 0H0I0J0K */          \
        "paddw     %%mm0, %%mm2             \n\t" /* b */                 \
        "paddw     %%mm5, %%mm3             \n\t" /* c */                 \
        "paddw     %%mm2, %%mm2             \n\t" /* 2b */                \
        "psubw     %%mm2, %%mm3             \n\t" /* c - 2b */            \
        "movq      %%mm6, %%mm2             \n\t" /* FGHIJKLM */          \
        "psrlq       $24, %%mm6             \n\t" /* IJKLM000 */          \
        "punpcklbw %%mm7, %%mm2             \n\t" /* 0F0G0H0I */          \
        "punpcklbw %%mm7, %%mm6             \n\t" /* 0I0J0K0L */          \
        "pmullw "MANGLE(ff_pw_3)", %%mm3    \n\t" /* 3c - 6b */           \
        "paddw     %%mm2, %%mm1             \n\t" /* a */                 \
        "paddw     %%mm6, %%mm4             \n\t" /* d */                 \
        "pmullw "MANGLE(ff_pw_20)", %%mm1   \n\t" /* 20a */               \
        "psubw     %%mm4, %%mm3             \n\t" /* - 6b +3c - d */      \
        "paddw        %6, %%mm1             \n\t"                         \
        "paddw     %%mm1, %%mm3             \n\t" /* 20a - 6b +3c - d */  \
        "psraw        $5, %%mm3             \n\t"                         \
        "movq         %5, %%mm1             \n\t"                         \
        "packuswb  %%mm3, %%mm1             \n\t"                         \
909
        OP_MMXEXT(%%mm1, (%1), %%mm4, q)                                  \
910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955
        /* mm0 = GHIJ, mm2 = FGHI, mm5 = HIJK, mm6 = IJKL, mm7 = 0 */     \
                                                                          \
        "movq      9(%0), %%mm1             \n\t" /* JKLMNOPQ */          \
        "movq      %%mm1, %%mm4             \n\t" /* JKLMNOPQ */          \
        "movq      %%mm1, %%mm3             \n\t" /* JKLMNOPQ */          \
        "psrlq        $8, %%mm1             \n\t" /* KLMNOPQ0 */          \
        "psrlq       $16, %%mm4             \n\t" /* LMNOPQ00 */          \
        "punpcklbw %%mm7, %%mm1             \n\t" /* 0K0L0M0N */          \
        "punpcklbw %%mm7, %%mm4             \n\t" /* 0L0M0N0O */          \
        "paddw     %%mm1, %%mm5             \n\t" /* b */                 \
        "paddw     %%mm4, %%mm0             \n\t" /* c */                 \
        "paddw     %%mm5, %%mm5             \n\t" /* 2b */                \
        "psubw     %%mm5, %%mm0             \n\t" /* c - 2b */            \
        "movq      %%mm3, %%mm5             \n\t" /* JKLMNOPQ */          \
        "psrlq       $24, %%mm3             \n\t" /* MNOPQ000 */          \
        "pmullw "MANGLE(ff_pw_3)", %%mm0    \n\t" /* 3c - 6b */           \
        "punpcklbw %%mm7, %%mm3             \n\t" /* 0M0N0O0P */          \
        "paddw     %%mm3, %%mm2             \n\t" /* d */                 \
        "psubw     %%mm2, %%mm0             \n\t" /* -6b + 3c - d */      \
        "movq      %%mm5, %%mm2             \n\t" /* JKLMNOPQ */          \
        "punpcklbw %%mm7, %%mm2             \n\t" /* 0J0K0L0M */          \
        "punpckhbw %%mm7, %%mm5             \n\t" /* 0N0O0P0Q */          \
        "paddw     %%mm2, %%mm6             \n\t" /* a */                 \
        "pmullw "MANGLE(ff_pw_20)", %%mm6   \n\t" /* 20a */               \
        "paddw        %6, %%mm0             \n\t"                         \
        "paddw     %%mm6, %%mm0             \n\t" /* 20a - 6b + 3c - d */ \
        "psraw        $5, %%mm0             \n\t"                         \
        /* mm1 = KLMN, mm2 = JKLM, mm3 = MNOP, */                         \
        /* mm4 = LMNO, mm5 = NOPQ mm7 = 0 */                              \
                                                                          \
        "paddw    %%mm5, %%mm3              \n\t" /* a */                 \
        "pshufw   $0xF9, %%mm5, %%mm6       \n\t" /* 0O0P0Q0Q */          \
        "paddw    %%mm4, %%mm6              \n\t" /* b */                 \
        "pshufw   $0xBE, %%mm5, %%mm4       \n\t" /* 0P0Q0Q0P */          \
        "pshufw   $0x6F, %%mm5, %%mm5       \n\t" /* 0Q0Q0P0O */          \
        "paddw    %%mm1, %%mm4              \n\t" /* c */                 \
        "paddw    %%mm2, %%mm5              \n\t" /* d */                 \
        "paddw    %%mm6, %%mm6              \n\t" /* 2b */                \
        "psubw    %%mm6, %%mm4              \n\t" /* c - 2b */            \
        "pmullw "MANGLE(ff_pw_20)", %%mm3   \n\t" /* 20a */               \
        "pmullw  "MANGLE(ff_pw_3)", %%mm4   \n\t" /* 3c - 6b */           \
        "psubw    %%mm5, %%mm3              \n\t" /* -6b + 3c - d */      \
        "paddw       %6, %%mm4              \n\t"                         \
        "paddw    %%mm3, %%mm4              \n\t" /* 20a - 6b + 3c - d */ \
        "psraw       $5, %%mm4              \n\t"                         \
        "packuswb %%mm4, %%mm0              \n\t"                         \
956
        OP_MMXEXT(%%mm0, 8(%1), %%mm4, q)                                 \
957 958 959 960 961 962 963 964 965 966 967 968
                                                                          \
        "add         %3, %0                 \n\t"                         \
        "add         %4, %1                 \n\t"                         \
        "decl        %2                     \n\t"                         \
        "jnz         1b                     \n\t"                         \
        : "+a"(src), "+c"(dst), "+D"(h)                                   \
        : "d"((x86_reg)srcStride), "S"((x86_reg)dstStride),               \
          /* "m"(ff_pw_20), "m"(ff_pw_3), */ "m"(temp), "m"(ROUNDER)      \
        : "memory"                                                        \
        );                                                                \
}                                                                         \
                                                                          \
969 970 971 972 973
static void OPNAME ## mpeg4_qpel8_h_lowpass_mmxext(uint8_t *dst,          \
                                                   uint8_t *src,          \
                                                   int dstStride,         \
                                                   int srcStride,         \
                                                   int h)                 \
974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025
{                                                                         \
    __asm__ volatile (                                                    \
        "pxor      %%mm7, %%mm7             \n\t"                         \
        "1:                                 \n\t"                         \
        "movq       (%0), %%mm0             \n\t" /* ABCDEFGH */          \
        "movq      %%mm0, %%mm1             \n\t" /* ABCDEFGH */          \
        "movq      %%mm0, %%mm2             \n\t" /* ABCDEFGH */          \
        "punpcklbw %%mm7, %%mm0             \n\t" /* 0A0B0C0D */          \
        "punpckhbw %%mm7, %%mm1             \n\t" /* 0E0F0G0H */          \
        "pshufw    $0x90, %%mm0, %%mm5      \n\t" /* 0A0A0B0C */          \
        "pshufw    $0x41, %%mm0, %%mm6      \n\t" /* 0B0A0A0B */          \
        "movq      %%mm2, %%mm3             \n\t" /* ABCDEFGH */          \
        "movq      %%mm2, %%mm4             \n\t" /* ABCDEFGH */          \
        "psllq        $8, %%mm2             \n\t" /* 0ABCDEFG */          \
        "psllq       $16, %%mm3             \n\t" /* 00ABCDEF */          \
        "psllq       $24, %%mm4             \n\t" /* 000ABCDE */          \
        "punpckhbw %%mm7, %%mm2             \n\t" /* 0D0E0F0G */          \
        "punpckhbw %%mm7, %%mm3             \n\t" /* 0C0D0E0F */          \
        "punpckhbw %%mm7, %%mm4             \n\t" /* 0B0C0D0E */          \
        "paddw     %%mm3, %%mm5             \n\t" /* b */                 \
        "paddw     %%mm2, %%mm6             \n\t" /* c */                 \
        "paddw     %%mm5, %%mm5             \n\t" /* 2b */                \
        "psubw     %%mm5, %%mm6             \n\t" /* c - 2b */            \
        "pshufw    $0x06, %%mm0, %%mm5      \n\t" /* 0C0B0A0A */          \
        "pmullw "MANGLE(ff_pw_3)", %%mm6    \n\t" /* 3c - 6b */           \
        "paddw     %%mm4, %%mm0             \n\t" /* a */                 \
        "paddw     %%mm1, %%mm5             \n\t" /* d */                 \
        "pmullw "MANGLE(ff_pw_20)", %%mm0   \n\t" /* 20a */               \
        "psubw     %%mm5, %%mm0             \n\t" /* 20a - d */           \
        "paddw        %5, %%mm6             \n\t"                         \
        "paddw     %%mm6, %%mm0             \n\t" /* 20a - 6b + 3c - d */ \
        "psraw        $5, %%mm0             \n\t"                         \
        /* mm1 = EFGH, mm2 = DEFG, mm3 = CDEF, mm4 = BCDE, mm7 = 0 */     \
                                                                          \
        "movd      5(%0), %%mm5             \n\t" /* FGHI */              \
        "punpcklbw %%mm7, %%mm5             \n\t" /* 0F0G0H0I */          \
        "pshufw    $0xF9, %%mm5, %%mm6      \n\t" /* 0G0H0I0I */          \
        "paddw     %%mm5, %%mm1             \n\t" /* a */                 \
        "paddw     %%mm6, %%mm2             \n\t" /* b */                 \
        "pshufw    $0xBE, %%mm5, %%mm6      \n\t" /* 0H0I0I0H */          \
        "pshufw    $0x6F, %%mm5, %%mm5      \n\t" /* 0I0I0H0G */          \
        "paddw     %%mm6, %%mm3             \n\t" /* c */                 \
        "paddw     %%mm5, %%mm4             \n\t" /* d */                 \
        "paddw     %%mm2, %%mm2             \n\t" /* 2b */                \
        "psubw     %%mm2, %%mm3             \n\t" /* c - 2b */            \
        "pmullw "MANGLE(ff_pw_20)", %%mm1   \n\t" /* 20a */               \
        "pmullw  "MANGLE(ff_pw_3)", %%mm3   \n\t" /* 3c - 6b */           \
        "psubw     %%mm4, %%mm3             \n\t" /* -6b + 3c - d */      \
        "paddw        %5, %%mm1             \n\t"                         \
        "paddw     %%mm1, %%mm3             \n\t" /* 20a - 6b + 3c - d */ \
        "psraw        $5, %%mm3             \n\t"                         \
        "packuswb  %%mm3, %%mm0             \n\t"                         \
1026
        OP_MMXEXT(%%mm0, (%1), %%mm4, q)                                  \
1027 1028 1029 1030 1031 1032 1033 1034 1035 1036
                                                                          \
        "add          %3, %0                \n\t"                         \
        "add          %4, %1                \n\t"                         \
        "decl         %2                    \n\t"                         \
        "jnz          1b                    \n\t"                         \
        : "+a"(src), "+c"(dst), "+d"(h)                                   \
        : "S"((x86_reg)srcStride), "D"((x86_reg)dstStride),               \
          /* "m"(ff_pw_20), "m"(ff_pw_3), */ "m"(ROUNDER)                 \
        : "memory"                                                        \
        );                                                                \
1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048
}

#define QPEL_OP(OPNAME, ROUNDER, RND, OP, MMX)                          \
static void OPNAME ## mpeg4_qpel16_v_lowpass_ ## MMX(uint8_t *dst,      \
                                                     uint8_t *src,      \
                                                     int dstStride,     \
                                                     int srcStride)     \
{                                                                       \
    uint64_t temp[17 * 4];                                              \
    uint64_t *temp_ptr = temp;                                          \
    int count = 17;                                                     \
                                                                        \
1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072
    /* FIXME unroll */                                                  \
    __asm__ volatile (                                                  \
        "pxor      %%mm7, %%mm7             \n\t"                       \
        "1:                                 \n\t"                       \
        "movq       (%0), %%mm0             \n\t"                       \
        "movq       (%0), %%mm1             \n\t"                       \
        "movq      8(%0), %%mm2             \n\t"                       \
        "movq      8(%0), %%mm3             \n\t"                       \
        "punpcklbw %%mm7, %%mm0             \n\t"                       \
        "punpckhbw %%mm7, %%mm1             \n\t"                       \
        "punpcklbw %%mm7, %%mm2             \n\t"                       \
        "punpckhbw %%mm7, %%mm3             \n\t"                       \
        "movq      %%mm0, (%1)              \n\t"                       \
        "movq      %%mm1, 17 * 8(%1)        \n\t"                       \
        "movq      %%mm2, 2 * 17 * 8(%1)    \n\t"                       \
        "movq      %%mm3, 3 * 17 * 8(%1)    \n\t"                       \
        "add          $8, %1                \n\t"                       \
        "add          %3, %0                \n\t"                       \
        "decl         %2                    \n\t"                       \
        "jnz          1b                    \n\t"                       \
        : "+r"(src), "+r"(temp_ptr), "+r"(count)                        \
        : "r"((x86_reg)srcStride)                                       \
        : "memory"                                                      \
        );                                                              \
1073 1074 1075 1076
                                                                        \
    temp_ptr = temp;                                                    \
    count    = 4;                                                       \
                                                                        \
1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121
    /* FIXME reorder for speed */                                       \
    __asm__ volatile (                                                  \
        /* "pxor  %%mm7, %%mm7            \n\t" */                      \
        "1:                             \n\t"                           \
        "movq    (%0), %%mm0            \n\t"                           \
        "movq   8(%0), %%mm1            \n\t"                           \
        "movq  16(%0), %%mm2            \n\t"                           \
        "movq  24(%0), %%mm3            \n\t"                           \
        QPEL_V_LOW(%%mm0, %%mm1, %%mm2, %%mm3, %5, %6, %5, 16(%0),   8(%0),    (%0),  32(%0), (%1),     OP) \
        QPEL_V_LOW(%%mm1, %%mm2, %%mm3, %%mm0, %5, %6, %5,  8(%0),    (%0),    (%0),  40(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm2, %%mm3, %%mm0, %%mm1, %5, %6, %5,   (%0),    (%0),   8(%0),  48(%0), (%1),     OP) \
                                                                        \
        QPEL_V_LOW(%%mm3, %%mm0, %%mm1, %%mm2, %5, %6, %5,   (%0),   8(%0),  16(%0),  56(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm0, %%mm1, %%mm2, %%mm3, %5, %6, %5,  8(%0),  16(%0),  24(%0),  64(%0), (%1),     OP) \
        QPEL_V_LOW(%%mm1, %%mm2, %%mm3, %%mm0, %5, %6, %5, 16(%0),  24(%0),  32(%0),  72(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm2, %%mm3, %%mm0, %%mm1, %5, %6, %5, 24(%0),  32(%0),  40(%0),  80(%0), (%1),     OP) \
        QPEL_V_LOW(%%mm3, %%mm0, %%mm1, %%mm2, %5, %6, %5, 32(%0),  40(%0),  48(%0),  88(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm0, %%mm1, %%mm2, %%mm3, %5, %6, %5, 40(%0),  48(%0),  56(%0),  96(%0), (%1),     OP) \
        QPEL_V_LOW(%%mm1, %%mm2, %%mm3, %%mm0, %5, %6, %5, 48(%0),  56(%0),  64(%0), 104(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm2, %%mm3, %%mm0, %%mm1, %5, %6, %5, 56(%0),  64(%0),  72(%0), 112(%0), (%1),     OP) \
        QPEL_V_LOW(%%mm3, %%mm0, %%mm1, %%mm2, %5, %6, %5, 64(%0),  72(%0),  80(%0), 120(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm0, %%mm1, %%mm2, %%mm3, %5, %6, %5, 72(%0),  80(%0),  88(%0), 128(%0), (%1),     OP) \
                                                                        \
        QPEL_V_LOW(%%mm1, %%mm2, %%mm3, %%mm0, %5, %6, %5, 80(%0),  88(%0),  96(%0), 128(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm2, %%mm3, %%mm0, %%mm1, %5, %6, %5, 88(%0),  96(%0), 104(%0), 120(%0), (%1),     OP) \
        QPEL_V_LOW(%%mm3, %%mm0, %%mm1, %%mm2, %5, %6, %5, 96(%0), 104(%0), 112(%0), 112(%0), (%1, %3), OP) \
                                                                        \
        "add     $136, %0               \n\t"                           \
        "add       %6, %1               \n\t"                           \
        "decl      %2                   \n\t"                           \
        "jnz       1b                   \n\t"                           \
                                                                        \
        : "+r"(temp_ptr), "+r"(dst), "+g"(count)                        \
        : "r"((x86_reg)dstStride), "r"(2 * (x86_reg)dstStride),         \
          /* "m"(ff_pw_20), "m"(ff_pw_3), */ "m"(ROUNDER),              \
          "g"(4 - 14 * (x86_reg)dstStride)                              \
        : "memory"                                                      \
        );                                                              \
1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132
}                                                                       \
                                                                        \
static void OPNAME ## mpeg4_qpel8_v_lowpass_ ## MMX(uint8_t *dst,       \
                                                    uint8_t *src,       \
                                                    int dstStride,      \
                                                    int srcStride)      \
{                                                                       \
    uint64_t temp[9 * 2];                                               \
    uint64_t *temp_ptr = temp;                                          \
    int count = 9;                                                      \
                                                                        \
1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150
    /* FIXME unroll */                                                  \
    __asm__ volatile (                                                  \
        "pxor      %%mm7, %%mm7         \n\t"                           \
        "1:                             \n\t"                           \
        "movq       (%0), %%mm0         \n\t"                           \
        "movq       (%0), %%mm1         \n\t"                           \
        "punpcklbw %%mm7, %%mm0         \n\t"                           \
        "punpckhbw %%mm7, %%mm1         \n\t"                           \
        "movq      %%mm0, (%1)          \n\t"                           \
        "movq      %%mm1, 9*8(%1)       \n\t"                           \
        "add          $8, %1            \n\t"                           \
        "add          %3, %0            \n\t"                           \
        "decl         %2                \n\t"                           \
        "jnz          1b                \n\t"                           \
        : "+r"(src), "+r"(temp_ptr), "+r"(count)                        \
        : "r"((x86_reg)srcStride)                                       \
        : "memory"                                                      \
        );                                                              \
1151 1152 1153 1154
                                                                        \
    temp_ptr = temp;                                                    \
    count    = 2;                                                       \
                                                                        \
1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187
    /* FIXME reorder for speed */                                       \
    __asm__ volatile (                                                  \
        /* "pxor  %%mm7, %%mm7            \n\t" */                      \
        "1:                             \n\t"                           \
        "movq    (%0), %%mm0            \n\t"                           \
        "movq   8(%0), %%mm1            \n\t"                           \
        "movq  16(%0), %%mm2            \n\t"                           \
        "movq  24(%0), %%mm3            \n\t"                           \
        QPEL_V_LOW(%%mm0, %%mm1, %%mm2, %%mm3, %5, %6, %5, 16(%0),  8(%0),   (%0), 32(%0), (%1), OP)     \
        QPEL_V_LOW(%%mm1, %%mm2, %%mm3, %%mm0, %5, %6, %5,  8(%0),   (%0),   (%0), 40(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm2, %%mm3, %%mm0, %%mm1, %5, %6, %5,   (%0),   (%0),  8(%0), 48(%0), (%1), OP)     \
                                                                        \
        QPEL_V_LOW(%%mm3, %%mm0, %%mm1, %%mm2, %5, %6, %5,   (%0),  8(%0), 16(%0), 56(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm0, %%mm1, %%mm2, %%mm3, %5, %6, %5,  8(%0), 16(%0), 24(%0), 64(%0), (%1), OP)     \
                                                                        \
        QPEL_V_LOW(%%mm1, %%mm2, %%mm3, %%mm0, %5, %6, %5, 16(%0), 24(%0), 32(%0), 64(%0), (%1, %3), OP) \
        "add       %4, %1               \n\t"                           \
        QPEL_V_LOW(%%mm2, %%mm3, %%mm0, %%mm1, %5, %6, %5, 24(%0), 32(%0), 40(%0), 56(%0), (%1), OP)     \
        QPEL_V_LOW(%%mm3, %%mm0, %%mm1, %%mm2, %5, %6, %5, 32(%0), 40(%0), 48(%0), 48(%0), (%1, %3), OP) \
                                                                        \
        "add      $72, %0               \n\t"                           \
        "add       %6, %1               \n\t"                           \
        "decl      %2                   \n\t"                           \
        "jnz       1b                   \n\t"                           \
                                                                        \
        : "+r"(temp_ptr), "+r"(dst), "+g"(count)                        \
        : "r"((x86_reg)dstStride), "r"(2 * (x86_reg)dstStride),         \
          /* "m"(ff_pw_20), "m"(ff_pw_3), */ "m"(ROUNDER),              \
          "g"(4 - 6 * (x86_reg)dstStride)                               \
        : "memory"                                                      \
        );                                                              \
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