simple_idct.c 66.4 KB
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/*
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 * Simple IDCT MMX
 *
 * Copyright (c) 2001, 2002 Michael Niedermayer <michaelni@gmx.at>
 *
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 * This file is part of FFmpeg.
 *
 * FFmpeg 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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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; 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 "libavcodec/simple_idct.h"
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#include "libavutil/mem.h"
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#include "dsputil_x86.h"
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#if HAVE_INLINE_ASM

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/*
23170.475006
22725.260826
21406.727617
19265.545870
16384.000000
12872.826198
8866.956905
4520.335430
*/
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#define C0 23170 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
#define C1 22725 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
#define C2 21407 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
#define C3 19266 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
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#define C4 16383 //cos(i*M_PI/16)*sqrt(2)*(1<<14) - 0.5
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#define C5 12873 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
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#define C6 8867  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
#define C7 4520  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
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#define ROW_SHIFT 11
#define COL_SHIFT 20 // 6

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DECLARE_ASM_CONST(8, uint64_t, wm1010)= 0xFFFF0000FFFF0000ULL;
DECLARE_ASM_CONST(8, uint64_t, d40000)= 0x0000000000040000ULL;
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DECLARE_ALIGNED(8, static const int16_t, coeffs)[]= {
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        1<<(ROW_SHIFT-1), 0, 1<<(ROW_SHIFT-1), 0,
//        1<<(COL_SHIFT-1), 0, 1<<(COL_SHIFT-1), 0,
//        0, 1<<(COL_SHIFT-1-16), 0, 1<<(COL_SHIFT-1-16),
        1<<(ROW_SHIFT-1), 1, 1<<(ROW_SHIFT-1), 0,
        // the 1 = ((1<<(COL_SHIFT-1))/C4)<<ROW_SHIFT :)
//        0, 0, 0, 0,
//        0, 0, 0, 0,
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 C4,  C4,  C4,  C4,
 C4, -C4,  C4, -C4,
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 C2,  C6,  C2,  C6,
 C6, -C2,  C6, -C2,
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 C1,  C3,  C1,  C3,
 C5,  C7,  C5,  C7,
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 C3, -C7,  C3, -C7,
-C1, -C5, -C1, -C5,
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 C5, -C1,  C5, -C1,
 C7,  C3,  C7,  C3,
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 C7, -C5,  C7, -C5,
 C3, -C1,  C3, -C1
};

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static inline void idct(int16_t *block)
{
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        LOCAL_ALIGNED_8(int64_t, align_tmp, [16]);
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        int16_t * const temp= (int16_t*)align_tmp;
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        __asm__ volatile(
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#if 0 //Alternative, simpler variant
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#define ROW_IDCT(src0, src4, src1, src5, dst, rounder, shift) \
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        "movq " #src0 ", %%mm0          \n\t" /* R4     R0      r4      r0 */\
        "movq " #src4 ", %%mm1          \n\t" /* R6     R2      r6      r2 */\
        "movq " #src1 ", %%mm2          \n\t" /* R3     R1      r3      r1 */\
        "movq " #src5 ", %%mm3          \n\t" /* R7     R5      r7      r5 */\
        "movq 16(%2), %%mm4             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm5             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm5, %%mm0           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 32(%2), %%mm5             \n\t" /* C6     C2      C6      C2 */\
        "pmaddwd %%mm1, %%mm5           \n\t" /* C6R6+C2R2      C6r6+C2r2 */\
        "movq 40(%2), %%mm6             \n\t" /* -C2    C6      -C2     C6 */\
        "pmaddwd %%mm6, %%mm1           \n\t" /* -C2R6+C6R2     -C2r6+C6r2 */\
        "movq 48(%2), %%mm7             \n\t" /* C3     C1      C3      C1 */\
        "pmaddwd %%mm2, %%mm7           \n\t" /* C3R3+C1R1      C3r3+C1r1 */\
        #rounder ", %%mm4               \n\t"\
        "movq %%mm4, %%mm6              \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "paddd %%mm5, %%mm4             \n\t" /* A0             a0 */\
        "psubd %%mm5, %%mm6             \n\t" /* A3             a3 */\
        "movq 56(%2), %%mm5             \n\t" /* C7     C5      C7      C5 */\
        "pmaddwd %%mm3, %%mm5           \n\t" /* C7R7+C5R5      C7r7+C5r5 */\
        #rounder ", %%mm0               \n\t"\
        "paddd %%mm0, %%mm1             \n\t" /* A1             a1 */\
        "paddd %%mm0, %%mm0             \n\t" \
        "psubd %%mm1, %%mm0             \n\t" /* A2             a2 */\
        "pmaddwd 64(%2), %%mm2          \n\t" /* -C7R3+C3R1     -C7r3+C3r1 */\
        "paddd %%mm5, %%mm7             \n\t" /* B0             b0 */\
        "movq 72(%2), %%mm5             \n\t" /* -C5    -C1     -C5     -C1 */\
        "pmaddwd %%mm3, %%mm5           \n\t" /* -C5R7-C1R5     -C5r7-C1r5 */\
        "paddd %%mm4, %%mm7             \n\t" /* A0+B0          a0+b0 */\
        "paddd %%mm4, %%mm4             \n\t" /* 2A0            2a0 */\
        "psubd %%mm7, %%mm4             \n\t" /* A0-B0          a0-b0 */\
        "paddd %%mm2, %%mm5             \n\t" /* B1             b1 */\
        "psrad $" #shift ", %%mm7       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "movq %%mm1, %%mm2              \n\t" /* A1             a1 */\
        "paddd %%mm5, %%mm1             \n\t" /* A1+B1          a1+b1 */\
        "psubd %%mm5, %%mm2             \n\t" /* A1-B1          a1-b1 */\
        "psrad $" #shift ", %%mm1       \n\t"\
        "psrad $" #shift ", %%mm2       \n\t"\
        "packssdw %%mm1, %%mm7          \n\t" /* A1+B1  a1+b1   A0+B0   a0+b0 */\
        "packssdw %%mm4, %%mm2          \n\t" /* A0-B0  a0-b0   A1-B1   a1-b1 */\
        "movq %%mm7, " #dst "           \n\t"\
        "movq " #src1 ", %%mm1          \n\t" /* R3     R1      r3      r1 */\
        "movq 80(%2), %%mm4             \n\t" /* -C1    C5      -C1     C5 */\
        "movq %%mm2, 24+" #dst "        \n\t"\
        "pmaddwd %%mm1, %%mm4           \n\t" /* -C1R3+C5R1     -C1r3+C5r1 */\
        "movq 88(%2), %%mm7             \n\t" /* C3     C7      C3      C7 */\
        "pmaddwd 96(%2), %%mm1          \n\t" /* -C5R3+C7R1     -C5r3+C7r1 */\
        "pmaddwd %%mm3, %%mm7           \n\t" /* C3R7+C7R5      C3r7+C7r5 */\
        "movq %%mm0, %%mm2              \n\t" /* A2             a2 */\
        "pmaddwd 104(%2), %%mm3         \n\t" /* -C1R7+C3R5     -C1r7+C3r5 */\
        "paddd %%mm7, %%mm4             \n\t" /* B2             b2 */\
        "paddd %%mm4, %%mm2             \n\t" /* A2+B2          a2+b2 */\
        "psubd %%mm4, %%mm0             \n\t" /* a2-B2          a2-b2 */\
        "psrad $" #shift ", %%mm2       \n\t"\
        "psrad $" #shift ", %%mm0       \n\t"\
        "movq %%mm6, %%mm4              \n\t" /* A3             a3 */\
        "paddd %%mm1, %%mm3             \n\t" /* B3             b3 */\
        "paddd %%mm3, %%mm6             \n\t" /* A3+B3          a3+b3 */\
        "psubd %%mm3, %%mm4             \n\t" /* a3-B3          a3-b3 */\
        "psrad $" #shift ", %%mm6       \n\t"\
        "packssdw %%mm6, %%mm2          \n\t" /* A3+B3  a3+b3   A2+B2   a2+b2 */\
        "movq %%mm2, 8+" #dst "         \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "packssdw %%mm0, %%mm4          \n\t" /* A2-B2  a2-b2   A3-B3   a3-b3 */\
        "movq %%mm4, 16+" #dst "        \n\t"\
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#define COL_IDCT(src0, src4, src1, src5, dst, shift) \
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        "movq " #src0 ", %%mm0          \n\t" /* R4     R0      r4      r0 */\
        "movq " #src4 ", %%mm1          \n\t" /* R6     R2      r6      r2 */\
        "movq " #src1 ", %%mm2          \n\t" /* R3     R1      r3      r1 */\
        "movq " #src5 ", %%mm3          \n\t" /* R7     R5      r7      r5 */\
        "movq 16(%2), %%mm4             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm5             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm5, %%mm0           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 32(%2), %%mm5             \n\t" /* C6     C2      C6      C2 */\
        "pmaddwd %%mm1, %%mm5           \n\t" /* C6R6+C2R2      C6r6+C2r2 */\
        "movq 40(%2), %%mm6             \n\t" /* -C2    C6      -C2     C6 */\
        "pmaddwd %%mm6, %%mm1           \n\t" /* -C2R6+C6R2     -C2r6+C6r2 */\
        "movq %%mm4, %%mm6              \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 48(%2), %%mm7             \n\t" /* C3     C1      C3      C1 */\
        "pmaddwd %%mm2, %%mm7           \n\t" /* C3R3+C1R1      C3r3+C1r1 */\
        "paddd %%mm5, %%mm4             \n\t" /* A0             a0 */\
        "psubd %%mm5, %%mm6             \n\t" /* A3             a3 */\
        "movq %%mm0, %%mm5              \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "paddd %%mm1, %%mm0             \n\t" /* A1             a1 */\
        "psubd %%mm1, %%mm5             \n\t" /* A2             a2 */\
        "movq 56(%2), %%mm1             \n\t" /* C7     C5      C7      C5 */\
        "pmaddwd %%mm3, %%mm1           \n\t" /* C7R7+C5R5      C7r7+C5r5 */\
        "pmaddwd 64(%2), %%mm2          \n\t" /* -C7R3+C3R1     -C7r3+C3r1 */\
        "paddd %%mm1, %%mm7             \n\t" /* B0             b0 */\
        "movq 72(%2), %%mm1             \n\t" /* -C5    -C1     -C5     -C1 */\
        "pmaddwd %%mm3, %%mm1           \n\t" /* -C5R7-C1R5     -C5r7-C1r5 */\
        "paddd %%mm4, %%mm7             \n\t" /* A0+B0          a0+b0 */\
        "paddd %%mm4, %%mm4             \n\t" /* 2A0            2a0 */\
        "psubd %%mm7, %%mm4             \n\t" /* A0-B0          a0-b0 */\
        "paddd %%mm2, %%mm1             \n\t" /* B1             b1 */\
        "psrad $" #shift ", %%mm7       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "movq %%mm0, %%mm2              \n\t" /* A1             a1 */\
        "paddd %%mm1, %%mm0             \n\t" /* A1+B1          a1+b1 */\
        "psubd %%mm1, %%mm2             \n\t" /* A1-B1          a1-b1 */\
        "psrad $" #shift ", %%mm0       \n\t"\
        "psrad $" #shift ", %%mm2       \n\t"\
        "packssdw %%mm7, %%mm7          \n\t" /* A0+B0  a0+b0 */\
        "movd %%mm7, " #dst "           \n\t"\
        "packssdw %%mm0, %%mm0          \n\t" /* A1+B1  a1+b1 */\
        "movd %%mm0, 16+" #dst "        \n\t"\
        "packssdw %%mm2, %%mm2          \n\t" /* A1-B1  a1-b1 */\
        "movd %%mm2, 96+" #dst "        \n\t"\
        "packssdw %%mm4, %%mm4          \n\t" /* A0-B0  a0-b0 */\
        "movd %%mm4, 112+" #dst "       \n\t"\
        "movq " #src1 ", %%mm0          \n\t" /* R3     R1      r3      r1 */\
        "movq 80(%2), %%mm4             \n\t" /* -C1    C5      -C1     C5 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* -C1R3+C5R1     -C1r3+C5r1 */\
        "movq 88(%2), %%mm7             \n\t" /* C3     C7      C3      C7 */\
        "pmaddwd 96(%2), %%mm0          \n\t" /* -C5R3+C7R1     -C5r3+C7r1 */\
        "pmaddwd %%mm3, %%mm7           \n\t" /* C3R7+C7R5      C3r7+C7r5 */\
        "movq %%mm5, %%mm2              \n\t" /* A2             a2 */\
        "pmaddwd 104(%2), %%mm3         \n\t" /* -C1R7+C3R5     -C1r7+C3r5 */\
        "paddd %%mm7, %%mm4             \n\t" /* B2             b2 */\
        "paddd %%mm4, %%mm2             \n\t" /* A2+B2          a2+b2 */\
        "psubd %%mm4, %%mm5             \n\t" /* a2-B2          a2-b2 */\
        "psrad $" #shift ", %%mm2       \n\t"\
        "psrad $" #shift ", %%mm5       \n\t"\
        "movq %%mm6, %%mm4              \n\t" /* A3             a3 */\
        "paddd %%mm0, %%mm3             \n\t" /* B3             b3 */\
        "paddd %%mm3, %%mm6             \n\t" /* A3+B3          a3+b3 */\
        "psubd %%mm3, %%mm4             \n\t" /* a3-B3          a3-b3 */\
        "psrad $" #shift ", %%mm6       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "packssdw %%mm2, %%mm2          \n\t" /* A2+B2  a2+b2 */\
        "packssdw %%mm6, %%mm6          \n\t" /* A3+B3  a3+b3 */\
        "movd %%mm2, 32+" #dst "        \n\t"\
        "packssdw %%mm4, %%mm4          \n\t" /* A3-B3  a3-b3 */\
        "packssdw %%mm5, %%mm5          \n\t" /* A2-B2  a2-b2 */\
        "movd %%mm6, 48+" #dst "        \n\t"\
        "movd %%mm4, 64+" #dst "        \n\t"\
        "movd %%mm5, 80+" #dst "        \n\t"\
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#define DC_COND_ROW_IDCT(src0, src4, src1, src5, dst, rounder, shift) \
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        "movq " #src0 ", %%mm0          \n\t" /* R4     R0      r4      r0 */\
        "movq " #src4 ", %%mm1          \n\t" /* R6     R2      r6      r2 */\
        "movq " #src1 ", %%mm2          \n\t" /* R3     R1      r3      r1 */\
        "movq " #src5 ", %%mm3          \n\t" /* R7     R5      r7      r5 */\
        "movq "MANGLE(wm1010)", %%mm4   \n\t"\
        "pand %%mm0, %%mm4              \n\t"\
        "por %%mm1, %%mm4               \n\t"\
        "por %%mm2, %%mm4               \n\t"\
        "por %%mm3, %%mm4               \n\t"\
        "packssdw %%mm4,%%mm4           \n\t"\
        "movd %%mm4, %%eax              \n\t"\
        "orl %%eax, %%eax               \n\t"\
        "jz 1f                          \n\t"\
        "movq 16(%2), %%mm4             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm5             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm5, %%mm0           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 32(%2), %%mm5             \n\t" /* C6     C2      C6      C2 */\
        "pmaddwd %%mm1, %%mm5           \n\t" /* C6R6+C2R2      C6r6+C2r2 */\
        "movq 40(%2), %%mm6             \n\t" /* -C2    C6      -C2     C6 */\
        "pmaddwd %%mm6, %%mm1           \n\t" /* -C2R6+C6R2     -C2r6+C6r2 */\
        "movq 48(%2), %%mm7             \n\t" /* C3     C1      C3      C1 */\
        "pmaddwd %%mm2, %%mm7           \n\t" /* C3R3+C1R1      C3r3+C1r1 */\
        #rounder ", %%mm4               \n\t"\
        "movq %%mm4, %%mm6              \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "paddd %%mm5, %%mm4             \n\t" /* A0             a0 */\
        "psubd %%mm5, %%mm6             \n\t" /* A3             a3 */\
        "movq 56(%2), %%mm5             \n\t" /* C7     C5      C7      C5 */\
        "pmaddwd %%mm3, %%mm5           \n\t" /* C7R7+C5R5      C7r7+C5r5 */\
        #rounder ", %%mm0               \n\t"\
        "paddd %%mm0, %%mm1             \n\t" /* A1             a1 */\
        "paddd %%mm0, %%mm0             \n\t" \
        "psubd %%mm1, %%mm0             \n\t" /* A2             a2 */\
        "pmaddwd 64(%2), %%mm2          \n\t" /* -C7R3+C3R1     -C7r3+C3r1 */\
        "paddd %%mm5, %%mm7             \n\t" /* B0             b0 */\
        "movq 72(%2), %%mm5             \n\t" /* -C5    -C1     -C5     -C1 */\
        "pmaddwd %%mm3, %%mm5           \n\t" /* -C5R7-C1R5     -C5r7-C1r5 */\
        "paddd %%mm4, %%mm7             \n\t" /* A0+B0          a0+b0 */\
        "paddd %%mm4, %%mm4             \n\t" /* 2A0            2a0 */\
        "psubd %%mm7, %%mm4             \n\t" /* A0-B0          a0-b0 */\
        "paddd %%mm2, %%mm5             \n\t" /* B1             b1 */\
        "psrad $" #shift ", %%mm7       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "movq %%mm1, %%mm2              \n\t" /* A1             a1 */\
        "paddd %%mm5, %%mm1             \n\t" /* A1+B1          a1+b1 */\
        "psubd %%mm5, %%mm2             \n\t" /* A1-B1          a1-b1 */\
        "psrad $" #shift ", %%mm1       \n\t"\
        "psrad $" #shift ", %%mm2       \n\t"\
        "packssdw %%mm1, %%mm7          \n\t" /* A1+B1  a1+b1   A0+B0   a0+b0 */\
        "packssdw %%mm4, %%mm2          \n\t" /* A0-B0  a0-b0   A1-B1   a1-b1 */\
        "movq %%mm7, " #dst "           \n\t"\
        "movq " #src1 ", %%mm1          \n\t" /* R3     R1      r3      r1 */\
        "movq 80(%2), %%mm4             \n\t" /* -C1    C5      -C1     C5 */\
        "movq %%mm2, 24+" #dst "        \n\t"\
        "pmaddwd %%mm1, %%mm4           \n\t" /* -C1R3+C5R1     -C1r3+C5r1 */\
        "movq 88(%2), %%mm7             \n\t" /* C3     C7      C3      C7 */\
        "pmaddwd 96(%2), %%mm1          \n\t" /* -C5R3+C7R1     -C5r3+C7r1 */\
        "pmaddwd %%mm3, %%mm7           \n\t" /* C3R7+C7R5      C3r7+C7r5 */\
        "movq %%mm0, %%mm2              \n\t" /* A2             a2 */\
        "pmaddwd 104(%2), %%mm3         \n\t" /* -C1R7+C3R5     -C1r7+C3r5 */\
        "paddd %%mm7, %%mm4             \n\t" /* B2             b2 */\
        "paddd %%mm4, %%mm2             \n\t" /* A2+B2          a2+b2 */\
        "psubd %%mm4, %%mm0             \n\t" /* a2-B2          a2-b2 */\
        "psrad $" #shift ", %%mm2       \n\t"\
        "psrad $" #shift ", %%mm0       \n\t"\
        "movq %%mm6, %%mm4              \n\t" /* A3             a3 */\
        "paddd %%mm1, %%mm3             \n\t" /* B3             b3 */\
        "paddd %%mm3, %%mm6             \n\t" /* A3+B3          a3+b3 */\
        "psubd %%mm3, %%mm4             \n\t" /* a3-B3          a3-b3 */\
        "psrad $" #shift ", %%mm6       \n\t"\
        "packssdw %%mm6, %%mm2          \n\t" /* A3+B3  a3+b3   A2+B2   a2+b2 */\
        "movq %%mm2, 8+" #dst "         \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "packssdw %%mm0, %%mm4          \n\t" /* A2-B2  a2-b2   A3-B3   a3-b3 */\
        "movq %%mm4, 16+" #dst "        \n\t"\
        "jmp 2f                         \n\t"\
        "1:                             \n\t"\
        "pslld $16, %%mm0               \n\t"\
        "#paddd "MANGLE(d40000)", %%mm0 \n\t"\
        "psrad $13, %%mm0               \n\t"\
        "packssdw %%mm0, %%mm0          \n\t"\
        "movq %%mm0, " #dst "           \n\t"\
        "movq %%mm0, 8+" #dst "         \n\t"\
        "movq %%mm0, 16+" #dst "        \n\t"\
        "movq %%mm0, 24+" #dst "        \n\t"\
        "2:                             \n\t"
319 320


321 322 323 324 325 326 327 328 329 330 331
//IDCT(      src0,   src4,   src1,   src5,    dst,    rounder, shift)
ROW_IDCT(    (%0),  8(%0), 16(%0), 24(%0),  0(%1),paddd 8(%2), 11)
/*ROW_IDCT(  32(%0), 40(%0), 48(%0), 56(%0), 32(%1), paddd (%2), 11)
ROW_IDCT(  64(%0), 72(%0), 80(%0), 88(%0), 64(%1), paddd (%2), 11)
ROW_IDCT(  96(%0),104(%0),112(%0),120(%0), 96(%1), paddd (%2), 11)*/

DC_COND_ROW_IDCT(  32(%0), 40(%0), 48(%0), 56(%0), 32(%1),paddd (%2), 11)
DC_COND_ROW_IDCT(  64(%0), 72(%0), 80(%0), 88(%0), 64(%1),paddd (%2), 11)
DC_COND_ROW_IDCT(  96(%0),104(%0),112(%0),120(%0), 96(%1),paddd (%2), 11)


332 333 334 335 336
//IDCT(      src0,   src4,   src1,    src5,    dst, shift)
COL_IDCT(    (%1), 64(%1), 32(%1),  96(%1),  0(%0), 20)
COL_IDCT(   8(%1), 72(%1), 40(%1), 104(%1),  4(%0), 20)
COL_IDCT(  16(%1), 80(%1), 48(%1), 112(%1),  8(%0), 20)
COL_IDCT(  24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
337

338 339 340
#else

#define DC_COND_IDCT(src0, src4, src1, src5, dst, rounder, shift) \
341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426
        "movq " #src0 ", %%mm0          \n\t" /* R4     R0      r4      r0 */\
        "movq " #src4 ", %%mm1          \n\t" /* R6     R2      r6      r2 */\
        "movq " #src1 ", %%mm2          \n\t" /* R3     R1      r3      r1 */\
        "movq " #src5 ", %%mm3          \n\t" /* R7     R5      r7      r5 */\
        "movq "MANGLE(wm1010)", %%mm4   \n\t"\
        "pand %%mm0, %%mm4              \n\t"\
        "por %%mm1, %%mm4               \n\t"\
        "por %%mm2, %%mm4               \n\t"\
        "por %%mm3, %%mm4               \n\t"\
        "packssdw %%mm4,%%mm4           \n\t"\
        "movd %%mm4, %%eax              \n\t"\
        "orl %%eax, %%eax               \n\t"\
        "jz 1f                          \n\t"\
        "movq 16(%2), %%mm4             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm5             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm5, %%mm0           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 32(%2), %%mm5             \n\t" /* C6     C2      C6      C2 */\
        "pmaddwd %%mm1, %%mm5           \n\t" /* C6R6+C2R2      C6r6+C2r2 */\
        "movq 40(%2), %%mm6             \n\t" /* -C2    C6      -C2     C6 */\
        "pmaddwd %%mm6, %%mm1           \n\t" /* -C2R6+C6R2     -C2r6+C6r2 */\
        "movq 48(%2), %%mm7             \n\t" /* C3     C1      C3      C1 */\
        "pmaddwd %%mm2, %%mm7           \n\t" /* C3R3+C1R1      C3r3+C1r1 */\
        #rounder ", %%mm4               \n\t"\
        "movq %%mm4, %%mm6              \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "paddd %%mm5, %%mm4             \n\t" /* A0             a0 */\
        "psubd %%mm5, %%mm6             \n\t" /* A3             a3 */\
        "movq 56(%2), %%mm5             \n\t" /* C7     C5      C7      C5 */\
        "pmaddwd %%mm3, %%mm5           \n\t" /* C7R7+C5R5      C7r7+C5r5 */\
        #rounder ", %%mm0               \n\t"\
        "paddd %%mm0, %%mm1             \n\t" /* A1             a1 */\
        "paddd %%mm0, %%mm0             \n\t" \
        "psubd %%mm1, %%mm0             \n\t" /* A2             a2 */\
        "pmaddwd 64(%2), %%mm2          \n\t" /* -C7R3+C3R1     -C7r3+C3r1 */\
        "paddd %%mm5, %%mm7             \n\t" /* B0             b0 */\
        "movq 72(%2), %%mm5             \n\t" /* -C5    -C1     -C5     -C1 */\
        "pmaddwd %%mm3, %%mm5           \n\t" /* -C5R7-C1R5     -C5r7-C1r5 */\
        "paddd %%mm4, %%mm7             \n\t" /* A0+B0          a0+b0 */\
        "paddd %%mm4, %%mm4             \n\t" /* 2A0            2a0 */\
        "psubd %%mm7, %%mm4             \n\t" /* A0-B0          a0-b0 */\
        "paddd %%mm2, %%mm5             \n\t" /* B1             b1 */\
        "psrad $" #shift ", %%mm7       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "movq %%mm1, %%mm2              \n\t" /* A1             a1 */\
        "paddd %%mm5, %%mm1             \n\t" /* A1+B1          a1+b1 */\
        "psubd %%mm5, %%mm2             \n\t" /* A1-B1          a1-b1 */\
        "psrad $" #shift ", %%mm1       \n\t"\
        "psrad $" #shift ", %%mm2       \n\t"\
        "packssdw %%mm1, %%mm7          \n\t" /* A1+B1  a1+b1   A0+B0   a0+b0 */\
        "packssdw %%mm4, %%mm2          \n\t" /* A0-B0  a0-b0   A1-B1   a1-b1 */\
        "movq %%mm7, " #dst "           \n\t"\
        "movq " #src1 ", %%mm1          \n\t" /* R3     R1      r3      r1 */\
        "movq 80(%2), %%mm4             \n\t" /* -C1    C5      -C1     C5 */\
        "movq %%mm2, 24+" #dst "        \n\t"\
        "pmaddwd %%mm1, %%mm4           \n\t" /* -C1R3+C5R1     -C1r3+C5r1 */\
        "movq 88(%2), %%mm7             \n\t" /* C3     C7      C3      C7 */\
        "pmaddwd 96(%2), %%mm1          \n\t" /* -C5R3+C7R1     -C5r3+C7r1 */\
        "pmaddwd %%mm3, %%mm7           \n\t" /* C3R7+C7R5      C3r7+C7r5 */\
        "movq %%mm0, %%mm2              \n\t" /* A2             a2 */\
        "pmaddwd 104(%2), %%mm3         \n\t" /* -C1R7+C3R5     -C1r7+C3r5 */\
        "paddd %%mm7, %%mm4             \n\t" /* B2             b2 */\
        "paddd %%mm4, %%mm2             \n\t" /* A2+B2          a2+b2 */\
        "psubd %%mm4, %%mm0             \n\t" /* a2-B2          a2-b2 */\
        "psrad $" #shift ", %%mm2       \n\t"\
        "psrad $" #shift ", %%mm0       \n\t"\
        "movq %%mm6, %%mm4              \n\t" /* A3             a3 */\
        "paddd %%mm1, %%mm3             \n\t" /* B3             b3 */\
        "paddd %%mm3, %%mm6             \n\t" /* A3+B3          a3+b3 */\
        "psubd %%mm3, %%mm4             \n\t" /* a3-B3          a3-b3 */\
        "psrad $" #shift ", %%mm6       \n\t"\
        "packssdw %%mm6, %%mm2          \n\t" /* A3+B3  a3+b3   A2+B2   a2+b2 */\
        "movq %%mm2, 8+" #dst "         \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "packssdw %%mm0, %%mm4          \n\t" /* A2-B2  a2-b2   A3-B3   a3-b3 */\
        "movq %%mm4, 16+" #dst "        \n\t"\
        "jmp 2f                         \n\t"\
        "1:                             \n\t"\
        "pslld $16, %%mm0               \n\t"\
        "paddd "MANGLE(d40000)", %%mm0  \n\t"\
        "psrad $13, %%mm0               \n\t"\
        "packssdw %%mm0, %%mm0          \n\t"\
        "movq %%mm0, " #dst "           \n\t"\
        "movq %%mm0, 8+" #dst "         \n\t"\
        "movq %%mm0, 16+" #dst "        \n\t"\
        "movq %%mm0, 24+" #dst "        \n\t"\
        "2:                             \n\t"
427

428
#define Z_COND_IDCT(src0, src4, src1, src5, dst, rounder, shift, bt) \
429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502
        "movq " #src0 ", %%mm0          \n\t" /* R4     R0      r4      r0 */\
        "movq " #src4 ", %%mm1          \n\t" /* R6     R2      r6      r2 */\
        "movq " #src1 ", %%mm2          \n\t" /* R3     R1      r3      r1 */\
        "movq " #src5 ", %%mm3          \n\t" /* R7     R5      r7      r5 */\
        "movq %%mm0, %%mm4              \n\t"\
        "por %%mm1, %%mm4               \n\t"\
        "por %%mm2, %%mm4               \n\t"\
        "por %%mm3, %%mm4               \n\t"\
        "packssdw %%mm4,%%mm4           \n\t"\
        "movd %%mm4, %%eax              \n\t"\
        "orl %%eax, %%eax               \n\t"\
        "jz " #bt "                     \n\t"\
        "movq 16(%2), %%mm4             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm5             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm5, %%mm0           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 32(%2), %%mm5             \n\t" /* C6     C2      C6      C2 */\
        "pmaddwd %%mm1, %%mm5           \n\t" /* C6R6+C2R2      C6r6+C2r2 */\
        "movq 40(%2), %%mm6             \n\t" /* -C2    C6      -C2     C6 */\
        "pmaddwd %%mm6, %%mm1           \n\t" /* -C2R6+C6R2     -C2r6+C6r2 */\
        "movq 48(%2), %%mm7             \n\t" /* C3     C1      C3      C1 */\
        "pmaddwd %%mm2, %%mm7           \n\t" /* C3R3+C1R1      C3r3+C1r1 */\
        #rounder ", %%mm4               \n\t"\
        "movq %%mm4, %%mm6              \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "paddd %%mm5, %%mm4             \n\t" /* A0             a0 */\
        "psubd %%mm5, %%mm6             \n\t" /* A3             a3 */\
        "movq 56(%2), %%mm5             \n\t" /* C7     C5      C7      C5 */\
        "pmaddwd %%mm3, %%mm5           \n\t" /* C7R7+C5R5      C7r7+C5r5 */\
        #rounder ", %%mm0               \n\t"\
        "paddd %%mm0, %%mm1             \n\t" /* A1             a1 */\
        "paddd %%mm0, %%mm0             \n\t" \
        "psubd %%mm1, %%mm0             \n\t" /* A2             a2 */\
        "pmaddwd 64(%2), %%mm2          \n\t" /* -C7R3+C3R1     -C7r3+C3r1 */\
        "paddd %%mm5, %%mm7             \n\t" /* B0             b0 */\
        "movq 72(%2), %%mm5             \n\t" /* -C5    -C1     -C5     -C1 */\
        "pmaddwd %%mm3, %%mm5           \n\t" /* -C5R7-C1R5     -C5r7-C1r5 */\
        "paddd %%mm4, %%mm7             \n\t" /* A0+B0          a0+b0 */\
        "paddd %%mm4, %%mm4             \n\t" /* 2A0            2a0 */\
        "psubd %%mm7, %%mm4             \n\t" /* A0-B0          a0-b0 */\
        "paddd %%mm2, %%mm5             \n\t" /* B1             b1 */\
        "psrad $" #shift ", %%mm7       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "movq %%mm1, %%mm2              \n\t" /* A1             a1 */\
        "paddd %%mm5, %%mm1             \n\t" /* A1+B1          a1+b1 */\
        "psubd %%mm5, %%mm2             \n\t" /* A1-B1          a1-b1 */\
        "psrad $" #shift ", %%mm1       \n\t"\
        "psrad $" #shift ", %%mm2       \n\t"\
        "packssdw %%mm1, %%mm7          \n\t" /* A1+B1  a1+b1   A0+B0   a0+b0 */\
        "packssdw %%mm4, %%mm2          \n\t" /* A0-B0  a0-b0   A1-B1   a1-b1 */\
        "movq %%mm7, " #dst "           \n\t"\
        "movq " #src1 ", %%mm1          \n\t" /* R3     R1      r3      r1 */\
        "movq 80(%2), %%mm4             \n\t" /* -C1    C5      -C1     C5 */\
        "movq %%mm2, 24+" #dst "        \n\t"\
        "pmaddwd %%mm1, %%mm4           \n\t" /* -C1R3+C5R1     -C1r3+C5r1 */\
        "movq 88(%2), %%mm7             \n\t" /* C3     C7      C3      C7 */\
        "pmaddwd 96(%2), %%mm1          \n\t" /* -C5R3+C7R1     -C5r3+C7r1 */\
        "pmaddwd %%mm3, %%mm7           \n\t" /* C3R7+C7R5      C3r7+C7r5 */\
        "movq %%mm0, %%mm2              \n\t" /* A2             a2 */\
        "pmaddwd 104(%2), %%mm3         \n\t" /* -C1R7+C3R5     -C1r7+C3r5 */\
        "paddd %%mm7, %%mm4             \n\t" /* B2             b2 */\
        "paddd %%mm4, %%mm2             \n\t" /* A2+B2          a2+b2 */\
        "psubd %%mm4, %%mm0             \n\t" /* a2-B2          a2-b2 */\
        "psrad $" #shift ", %%mm2       \n\t"\
        "psrad $" #shift ", %%mm0       \n\t"\
        "movq %%mm6, %%mm4              \n\t" /* A3             a3 */\
        "paddd %%mm1, %%mm3             \n\t" /* B3             b3 */\
        "paddd %%mm3, %%mm6             \n\t" /* A3+B3          a3+b3 */\
        "psubd %%mm3, %%mm4             \n\t" /* a3-B3          a3-b3 */\
        "psrad $" #shift ", %%mm6       \n\t"\
        "packssdw %%mm6, %%mm2          \n\t" /* A3+B3  a3+b3   A2+B2   a2+b2 */\
        "movq %%mm2, 8+" #dst "         \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "packssdw %%mm0, %%mm4          \n\t" /* A2-B2  a2-b2   A3-B3   a3-b3 */\
        "movq %%mm4, 16+" #dst "        \n\t"\
503 504

#define ROW_IDCT(src0, src4, src1, src5, dst, rounder, shift) \
505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570
        "movq " #src0 ", %%mm0          \n\t" /* R4     R0      r4      r0 */\
        "movq " #src4 ", %%mm1          \n\t" /* R6     R2      r6      r2 */\
        "movq " #src1 ", %%mm2          \n\t" /* R3     R1      r3      r1 */\
        "movq " #src5 ", %%mm3          \n\t" /* R7     R5      r7      r5 */\
        "movq 16(%2), %%mm4             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm5             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm5, %%mm0           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 32(%2), %%mm5             \n\t" /* C6     C2      C6      C2 */\
        "pmaddwd %%mm1, %%mm5           \n\t" /* C6R6+C2R2      C6r6+C2r2 */\
        "movq 40(%2), %%mm6             \n\t" /* -C2    C6      -C2     C6 */\
        "pmaddwd %%mm6, %%mm1           \n\t" /* -C2R6+C6R2     -C2r6+C6r2 */\
        "movq 48(%2), %%mm7             \n\t" /* C3     C1      C3      C1 */\
        "pmaddwd %%mm2, %%mm7           \n\t" /* C3R3+C1R1      C3r3+C1r1 */\
        #rounder ", %%mm4               \n\t"\
        "movq %%mm4, %%mm6              \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "paddd %%mm5, %%mm4             \n\t" /* A0             a0 */\
        "psubd %%mm5, %%mm6             \n\t" /* A3             a3 */\
        "movq 56(%2), %%mm5             \n\t" /* C7     C5      C7      C5 */\
        "pmaddwd %%mm3, %%mm5           \n\t" /* C7R7+C5R5      C7r7+C5r5 */\
        #rounder ", %%mm0               \n\t"\
        "paddd %%mm0, %%mm1             \n\t" /* A1             a1 */\
        "paddd %%mm0, %%mm0             \n\t" \
        "psubd %%mm1, %%mm0             \n\t" /* A2             a2 */\
        "pmaddwd 64(%2), %%mm2          \n\t" /* -C7R3+C3R1     -C7r3+C3r1 */\
        "paddd %%mm5, %%mm7             \n\t" /* B0             b0 */\
        "movq 72(%2), %%mm5             \n\t" /* -C5    -C1     -C5     -C1 */\
        "pmaddwd %%mm3, %%mm5           \n\t" /* -C5R7-C1R5     -C5r7-C1r5 */\
        "paddd %%mm4, %%mm7             \n\t" /* A0+B0          a0+b0 */\
        "paddd %%mm4, %%mm4             \n\t" /* 2A0            2a0 */\
        "psubd %%mm7, %%mm4             \n\t" /* A0-B0          a0-b0 */\
        "paddd %%mm2, %%mm5             \n\t" /* B1             b1 */\
        "psrad $" #shift ", %%mm7       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "movq %%mm1, %%mm2              \n\t" /* A1             a1 */\
        "paddd %%mm5, %%mm1             \n\t" /* A1+B1          a1+b1 */\
        "psubd %%mm5, %%mm2             \n\t" /* A1-B1          a1-b1 */\
        "psrad $" #shift ", %%mm1       \n\t"\
        "psrad $" #shift ", %%mm2       \n\t"\
        "packssdw %%mm1, %%mm7          \n\t" /* A1+B1  a1+b1   A0+B0   a0+b0 */\
        "packssdw %%mm4, %%mm2          \n\t" /* A0-B0  a0-b0   A1-B1   a1-b1 */\
        "movq %%mm7, " #dst "           \n\t"\
        "movq " #src1 ", %%mm1          \n\t" /* R3     R1      r3      r1 */\
        "movq 80(%2), %%mm4             \n\t" /* -C1    C5      -C1     C5 */\
        "movq %%mm2, 24+" #dst "        \n\t"\
        "pmaddwd %%mm1, %%mm4           \n\t" /* -C1R3+C5R1     -C1r3+C5r1 */\
        "movq 88(%2), %%mm7             \n\t" /* C3     C7      C3      C7 */\
        "pmaddwd 96(%2), %%mm1          \n\t" /* -C5R3+C7R1     -C5r3+C7r1 */\
        "pmaddwd %%mm3, %%mm7           \n\t" /* C3R7+C7R5      C3r7+C7r5 */\
        "movq %%mm0, %%mm2              \n\t" /* A2             a2 */\
        "pmaddwd 104(%2), %%mm3         \n\t" /* -C1R7+C3R5     -C1r7+C3r5 */\
        "paddd %%mm7, %%mm4             \n\t" /* B2             b2 */\
        "paddd %%mm4, %%mm2             \n\t" /* A2+B2          a2+b2 */\
        "psubd %%mm4, %%mm0             \n\t" /* a2-B2          a2-b2 */\
        "psrad $" #shift ", %%mm2       \n\t"\
        "psrad $" #shift ", %%mm0       \n\t"\
        "movq %%mm6, %%mm4              \n\t" /* A3             a3 */\
        "paddd %%mm1, %%mm3             \n\t" /* B3             b3 */\
        "paddd %%mm3, %%mm6             \n\t" /* A3+B3          a3+b3 */\
        "psubd %%mm3, %%mm4             \n\t" /* a3-B3          a3-b3 */\
        "psrad $" #shift ", %%mm6       \n\t"\
        "packssdw %%mm6, %%mm2          \n\t" /* A3+B3  a3+b3   A2+B2   a2+b2 */\
        "movq %%mm2, 8+" #dst "         \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "packssdw %%mm0, %%mm4          \n\t" /* A2-B2  a2-b2   A3-B3   a3-b3 */\
        "movq %%mm4, 16+" #dst "        \n\t"\
571 572 573 574 575 576 577 578

//IDCT(         src0,   src4,   src1,   src5,    dst,   rounder, shift)
DC_COND_IDCT(  0(%0),  8(%0), 16(%0), 24(%0),  0(%1),paddd 8(%2), 11)
Z_COND_IDCT(  32(%0), 40(%0), 48(%0), 56(%0), 32(%1),paddd (%2), 11, 4f)
Z_COND_IDCT(  64(%0), 72(%0), 80(%0), 88(%0), 64(%1),paddd (%2), 11, 2f)
Z_COND_IDCT(  96(%0),104(%0),112(%0),120(%0), 96(%1),paddd (%2), 11, 1f)

#undef IDCT
579
#define IDCT(src0, src4, src1, src5, dst, shift) \
580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651
        "movq " #src0 ", %%mm0          \n\t" /* R4     R0      r4      r0 */\
        "movq " #src4 ", %%mm1          \n\t" /* R6     R2      r6      r2 */\
        "movq " #src1 ", %%mm2          \n\t" /* R3     R1      r3      r1 */\
        "movq " #src5 ", %%mm3          \n\t" /* R7     R5      r7      r5 */\
        "movq 16(%2), %%mm4             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm5             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm5, %%mm0           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 32(%2), %%mm5             \n\t" /* C6     C2      C6      C2 */\
        "pmaddwd %%mm1, %%mm5           \n\t" /* C6R6+C2R2      C6r6+C2r2 */\
        "movq 40(%2), %%mm6             \n\t" /* -C2    C6      -C2     C6 */\
        "pmaddwd %%mm6, %%mm1           \n\t" /* -C2R6+C6R2     -C2r6+C6r2 */\
        "movq %%mm4, %%mm6              \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 48(%2), %%mm7             \n\t" /* C3     C1      C3      C1 */\
        "pmaddwd %%mm2, %%mm7           \n\t" /* C3R3+C1R1      C3r3+C1r1 */\
        "paddd %%mm5, %%mm4             \n\t" /* A0             a0 */\
        "psubd %%mm5, %%mm6             \n\t" /* A3             a3 */\
        "movq %%mm0, %%mm5              \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "paddd %%mm1, %%mm0             \n\t" /* A1             a1 */\
        "psubd %%mm1, %%mm5             \n\t" /* A2             a2 */\
        "movq 56(%2), %%mm1             \n\t" /* C7     C5      C7      C5 */\
        "pmaddwd %%mm3, %%mm1           \n\t" /* C7R7+C5R5      C7r7+C5r5 */\
        "pmaddwd 64(%2), %%mm2          \n\t" /* -C7R3+C3R1     -C7r3+C3r1 */\
        "paddd %%mm1, %%mm7             \n\t" /* B0             b0 */\
        "movq 72(%2), %%mm1             \n\t" /* -C5    -C1     -C5     -C1 */\
        "pmaddwd %%mm3, %%mm1           \n\t" /* -C5R7-C1R5     -C5r7-C1r5 */\
        "paddd %%mm4, %%mm7             \n\t" /* A0+B0          a0+b0 */\
        "paddd %%mm4, %%mm4             \n\t" /* 2A0            2a0 */\
        "psubd %%mm7, %%mm4             \n\t" /* A0-B0          a0-b0 */\
        "paddd %%mm2, %%mm1             \n\t" /* B1             b1 */\
        "psrad $" #shift ", %%mm7       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "movq %%mm0, %%mm2              \n\t" /* A1             a1 */\
        "paddd %%mm1, %%mm0             \n\t" /* A1+B1          a1+b1 */\
        "psubd %%mm1, %%mm2             \n\t" /* A1-B1          a1-b1 */\
        "psrad $" #shift ", %%mm0       \n\t"\
        "psrad $" #shift ", %%mm2       \n\t"\
        "packssdw %%mm7, %%mm7          \n\t" /* A0+B0  a0+b0 */\
        "movd %%mm7, " #dst "           \n\t"\
        "packssdw %%mm0, %%mm0          \n\t" /* A1+B1  a1+b1 */\
        "movd %%mm0, 16+" #dst "        \n\t"\
        "packssdw %%mm2, %%mm2          \n\t" /* A1-B1  a1-b1 */\
        "movd %%mm2, 96+" #dst "        \n\t"\
        "packssdw %%mm4, %%mm4          \n\t" /* A0-B0  a0-b0 */\
        "movd %%mm4, 112+" #dst "       \n\t"\
        "movq " #src1 ", %%mm0          \n\t" /* R3     R1      r3      r1 */\
        "movq 80(%2), %%mm4             \n\t" /* -C1    C5      -C1     C5 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* -C1R3+C5R1     -C1r3+C5r1 */\
        "movq 88(%2), %%mm7             \n\t" /* C3     C7      C3      C7 */\
        "pmaddwd 96(%2), %%mm0          \n\t" /* -C5R3+C7R1     -C5r3+C7r1 */\
        "pmaddwd %%mm3, %%mm7           \n\t" /* C3R7+C7R5      C3r7+C7r5 */\
        "movq %%mm5, %%mm2              \n\t" /* A2             a2 */\
        "pmaddwd 104(%2), %%mm3         \n\t" /* -C1R7+C3R5     -C1r7+C3r5 */\
        "paddd %%mm7, %%mm4             \n\t" /* B2             b2 */\
        "paddd %%mm4, %%mm2             \n\t" /* A2+B2          a2+b2 */\
        "psubd %%mm4, %%mm5             \n\t" /* a2-B2          a2-b2 */\
        "psrad $" #shift ", %%mm2       \n\t"\
        "psrad $" #shift ", %%mm5       \n\t"\
        "movq %%mm6, %%mm4              \n\t" /* A3             a3 */\
        "paddd %%mm0, %%mm3             \n\t" /* B3             b3 */\
        "paddd %%mm3, %%mm6             \n\t" /* A3+B3          a3+b3 */\
        "psubd %%mm3, %%mm4             \n\t" /* a3-B3          a3-b3 */\
        "psrad $" #shift ", %%mm6       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "packssdw %%mm2, %%mm2          \n\t" /* A2+B2  a2+b2 */\
        "packssdw %%mm6, %%mm6          \n\t" /* A3+B3  a3+b3 */\
        "movd %%mm2, 32+" #dst "        \n\t"\
        "packssdw %%mm4, %%mm4          \n\t" /* A3-B3  a3-b3 */\
        "packssdw %%mm5, %%mm5          \n\t" /* A2-B2  a2-b2 */\
        "movd %%mm6, 48+" #dst "        \n\t"\
        "movd %%mm4, 64+" #dst "        \n\t"\
        "movd %%mm5, 80+" #dst "        \n\t"
652 653


654 655 656 657 658
//IDCT(  src0,   src4,   src1,    src5,    dst, shift)
IDCT(    (%1), 64(%1), 32(%1),  96(%1),  0(%0), 20)
IDCT(   8(%1), 72(%1), 40(%1), 104(%1),  4(%0), 20)
IDCT(  16(%1), 80(%1), 48(%1), 112(%1),  8(%0), 20)
IDCT(  24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
659
        "jmp 9f                         \n\t"
660

661
        "# .p2align 4                   \n\t"\
662
        "4:                             \n\t"
663 664
Z_COND_IDCT(  64(%0), 72(%0), 80(%0), 88(%0), 64(%1),paddd (%2), 11, 6f)
Z_COND_IDCT(  96(%0),104(%0),112(%0),120(%0), 96(%1),paddd (%2), 11, 5f)
665

666
#undef IDCT
667
#define IDCT(src0, src4, src1, src5, dst, shift) \
668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727
        "movq " #src0 ", %%mm0          \n\t" /* R4     R0      r4      r0 */\
        "movq " #src4 ", %%mm1          \n\t" /* R6     R2      r6      r2 */\
        "movq " #src5 ", %%mm3          \n\t" /* R7     R5      r7      r5 */\
        "movq 16(%2), %%mm4             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm5             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm5, %%mm0           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 32(%2), %%mm5             \n\t" /* C6     C2      C6      C2 */\
        "pmaddwd %%mm1, %%mm5           \n\t" /* C6R6+C2R2      C6r6+C2r2 */\
        "movq 40(%2), %%mm6             \n\t" /* -C2    C6      -C2     C6 */\
        "pmaddwd %%mm6, %%mm1           \n\t" /* -C2R6+C6R2     -C2r6+C6r2 */\
        "movq %%mm4, %%mm6              \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "paddd %%mm5, %%mm4             \n\t" /* A0             a0 */\
        "psubd %%mm5, %%mm6             \n\t" /* A3             a3 */\
        "movq %%mm0, %%mm5              \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "paddd %%mm1, %%mm0             \n\t" /* A1             a1 */\
        "psubd %%mm1, %%mm5             \n\t" /* A2             a2 */\
        "movq 56(%2), %%mm1             \n\t" /* C7     C5      C7      C5 */\
        "pmaddwd %%mm3, %%mm1           \n\t" /* C7R7+C5R5      C7r7+C5r5 */\
        "movq 72(%2), %%mm7             \n\t" /* -C5    -C1     -C5     -C1 */\
        "pmaddwd %%mm3, %%mm7           \n\t" /* -C5R7-C1R5     -C5r7-C1r5 */\
        "paddd %%mm4, %%mm1             \n\t" /* A0+B0          a0+b0 */\
        "paddd %%mm4, %%mm4             \n\t" /* 2A0            2a0 */\
        "psubd %%mm1, %%mm4             \n\t" /* A0-B0          a0-b0 */\
        "psrad $" #shift ", %%mm1       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "movq %%mm0, %%mm2              \n\t" /* A1             a1 */\
        "paddd %%mm7, %%mm0             \n\t" /* A1+B1          a1+b1 */\
        "psubd %%mm7, %%mm2             \n\t" /* A1-B1          a1-b1 */\
        "psrad $" #shift ", %%mm0       \n\t"\
        "psrad $" #shift ", %%mm2       \n\t"\
        "packssdw %%mm1, %%mm1          \n\t" /* A0+B0  a0+b0 */\
        "movd %%mm1, " #dst "           \n\t"\
        "packssdw %%mm0, %%mm0          \n\t" /* A1+B1  a1+b1 */\
        "movd %%mm0, 16+" #dst "        \n\t"\
        "packssdw %%mm2, %%mm2          \n\t" /* A1-B1  a1-b1 */\
        "movd %%mm2, 96+" #dst "        \n\t"\
        "packssdw %%mm4, %%mm4          \n\t" /* A0-B0  a0-b0 */\
        "movd %%mm4, 112+" #dst "       \n\t"\
        "movq 88(%2), %%mm1             \n\t" /* C3     C7      C3      C7 */\
        "pmaddwd %%mm3, %%mm1           \n\t" /* C3R7+C7R5      C3r7+C7r5 */\
        "movq %%mm5, %%mm2              \n\t" /* A2             a2 */\
        "pmaddwd 104(%2), %%mm3         \n\t" /* -C1R7+C3R5     -C1r7+C3r5 */\
        "paddd %%mm1, %%mm2             \n\t" /* A2+B2          a2+b2 */\
        "psubd %%mm1, %%mm5             \n\t" /* a2-B2          a2-b2 */\
        "psrad $" #shift ", %%mm2       \n\t"\
        "psrad $" #shift ", %%mm5       \n\t"\
        "movq %%mm6, %%mm1              \n\t" /* A3             a3 */\
        "paddd %%mm3, %%mm6             \n\t" /* A3+B3          a3+b3 */\
        "psubd %%mm3, %%mm1             \n\t" /* a3-B3          a3-b3 */\
        "psrad $" #shift ", %%mm6       \n\t"\
        "psrad $" #shift ", %%mm1       \n\t"\
        "packssdw %%mm2, %%mm2          \n\t" /* A2+B2  a2+b2 */\
        "packssdw %%mm6, %%mm6          \n\t" /* A3+B3  a3+b3 */\
        "movd %%mm2, 32+" #dst "        \n\t"\
        "packssdw %%mm1, %%mm1          \n\t" /* A3-B3  a3-b3 */\
        "packssdw %%mm5, %%mm5          \n\t" /* A2-B2  a2-b2 */\
        "movd %%mm6, 48+" #dst "        \n\t"\
        "movd %%mm1, 64+" #dst "        \n\t"\
        "movd %%mm5, 80+" #dst "        \n\t"
728

729 730 731 732 733
//IDCT(  src0,   src4,   src1,    src5,    dst, shift)
IDCT(    (%1), 64(%1), 32(%1),  96(%1),  0(%0), 20)
IDCT(   8(%1), 72(%1), 40(%1), 104(%1),  4(%0), 20)
IDCT(  16(%1), 80(%1), 48(%1), 112(%1),  8(%0), 20)
IDCT(  24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
734
        "jmp 9f                         \n\t"
735

736
        "# .p2align 4                   \n\t"\
737
        "6:                             \n\t"
738
Z_COND_IDCT(  96(%0),104(%0),112(%0),120(%0), 96(%1),paddd (%2), 11, 7f)
739

740
#undef IDCT
741
#define IDCT(src0, src4, src1, src5, dst, shift) \
742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792
        "movq " #src0 ", %%mm0          \n\t" /* R4     R0      r4      r0 */\
        "movq " #src5 ", %%mm3          \n\t" /* R7     R5      r7      r5 */\
        "movq 16(%2), %%mm4             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm5             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm5, %%mm0           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq %%mm4, %%mm6              \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq %%mm0, %%mm5              \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 56(%2), %%mm1             \n\t" /* C7     C5      C7      C5 */\
        "pmaddwd %%mm3, %%mm1           \n\t" /* C7R7+C5R5      C7r7+C5r5 */\
        "movq 72(%2), %%mm7             \n\t" /* -C5    -C1     -C5     -C1 */\
        "pmaddwd %%mm3, %%mm7           \n\t" /* -C5R7-C1R5     -C5r7-C1r5 */\
        "paddd %%mm4, %%mm1             \n\t" /* A0+B0          a0+b0 */\
        "paddd %%mm4, %%mm4             \n\t" /* 2A0            2a0 */\
        "psubd %%mm1, %%mm4             \n\t" /* A0-B0          a0-b0 */\
        "psrad $" #shift ", %%mm1       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "movq %%mm0, %%mm2              \n\t" /* A1             a1 */\
        "paddd %%mm7, %%mm0             \n\t" /* A1+B1          a1+b1 */\
        "psubd %%mm7, %%mm2             \n\t" /* A1-B1          a1-b1 */\
        "psrad $" #shift ", %%mm0       \n\t"\
        "psrad $" #shift ", %%mm2       \n\t"\
        "packssdw %%mm1, %%mm1          \n\t" /* A0+B0  a0+b0 */\
        "movd %%mm1, " #dst "           \n\t"\
        "packssdw %%mm0, %%mm0          \n\t" /* A1+B1  a1+b1 */\
        "movd %%mm0, 16+" #dst "        \n\t"\
        "packssdw %%mm2, %%mm2          \n\t" /* A1-B1  a1-b1 */\
        "movd %%mm2, 96+" #dst "        \n\t"\
        "packssdw %%mm4, %%mm4          \n\t" /* A0-B0  a0-b0 */\
        "movd %%mm4, 112+" #dst "       \n\t"\
        "movq 88(%2), %%mm1             \n\t" /* C3     C7      C3      C7 */\
        "pmaddwd %%mm3, %%mm1           \n\t" /* C3R7+C7R5      C3r7+C7r5 */\
        "movq %%mm5, %%mm2              \n\t" /* A2             a2 */\
        "pmaddwd 104(%2), %%mm3         \n\t" /* -C1R7+C3R5     -C1r7+C3r5 */\
        "paddd %%mm1, %%mm2             \n\t" /* A2+B2          a2+b2 */\
        "psubd %%mm1, %%mm5             \n\t" /* a2-B2          a2-b2 */\
        "psrad $" #shift ", %%mm2       \n\t"\
        "psrad $" #shift ", %%mm5       \n\t"\
        "movq %%mm6, %%mm1              \n\t" /* A3             a3 */\
        "paddd %%mm3, %%mm6             \n\t" /* A3+B3          a3+b3 */\
        "psubd %%mm3, %%mm1             \n\t" /* a3-B3          a3-b3 */\
        "psrad $" #shift ", %%mm6       \n\t"\
        "psrad $" #shift ", %%mm1       \n\t"\
        "packssdw %%mm2, %%mm2          \n\t" /* A2+B2  a2+b2 */\
        "packssdw %%mm6, %%mm6          \n\t" /* A3+B3  a3+b3 */\
        "movd %%mm2, 32+" #dst "        \n\t"\
        "packssdw %%mm1, %%mm1          \n\t" /* A3-B3  a3-b3 */\
        "packssdw %%mm5, %%mm5          \n\t" /* A2-B2  a2-b2 */\
        "movd %%mm6, 48+" #dst "        \n\t"\
        "movd %%mm1, 64+" #dst "        \n\t"\
        "movd %%mm5, 80+" #dst "        \n\t"
793 794


795 796 797 798 799
//IDCT(  src0,   src4,   src1,    src5,    dst, shift)
IDCT(    (%1), 64(%1), 32(%1),  96(%1),  0(%0), 20)
IDCT(   8(%1), 72(%1), 40(%1), 104(%1),  4(%0), 20)
IDCT(  16(%1), 80(%1), 48(%1), 112(%1),  8(%0), 20)
IDCT(  24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
800
        "jmp 9f                         \n\t"
801

802
        "# .p2align 4                   \n\t"\
803
        "2:                             \n\t"
804
Z_COND_IDCT(  96(%0),104(%0),112(%0),120(%0), 96(%1),paddd (%2), 11, 3f)
805

806
#undef IDCT
807
#define IDCT(src0, src4, src1, src5, dst, shift) \
808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870
        "movq " #src0 ", %%mm0          \n\t" /* R4     R0      r4      r0 */\
        "movq " #src1 ", %%mm2          \n\t" /* R3     R1      r3      r1 */\
        "movq " #src5 ", %%mm3          \n\t" /* R7     R5      r7      r5 */\
        "movq 16(%2), %%mm4             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm5             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm5, %%mm0           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq %%mm4, %%mm6              \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 48(%2), %%mm7             \n\t" /* C3     C1      C3      C1 */\
        "pmaddwd %%mm2, %%mm7           \n\t" /* C3R3+C1R1      C3r3+C1r1 */\
        "movq %%mm0, %%mm5              \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 56(%2), %%mm1             \n\t" /* C7     C5      C7      C5 */\
        "pmaddwd %%mm3, %%mm1           \n\t" /* C7R7+C5R5      C7r7+C5r5 */\
        "pmaddwd 64(%2), %%mm2          \n\t" /* -C7R3+C3R1     -C7r3+C3r1 */\
        "paddd %%mm1, %%mm7             \n\t" /* B0             b0 */\
        "movq 72(%2), %%mm1             \n\t" /* -C5    -C1     -C5     -C1 */\
        "pmaddwd %%mm3, %%mm1           \n\t" /* -C5R7-C1R5     -C5r7-C1r5 */\
        "paddd %%mm4, %%mm7             \n\t" /* A0+B0          a0+b0 */\
        "paddd %%mm4, %%mm4             \n\t" /* 2A0            2a0 */\
        "psubd %%mm7, %%mm4             \n\t" /* A0-B0          a0-b0 */\
        "paddd %%mm2, %%mm1             \n\t" /* B1             b1 */\
        "psrad $" #shift ", %%mm7       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "movq %%mm0, %%mm2              \n\t" /* A1             a1 */\
        "paddd %%mm1, %%mm0             \n\t" /* A1+B1          a1+b1 */\
        "psubd %%mm1, %%mm2             \n\t" /* A1-B1          a1-b1 */\
        "psrad $" #shift ", %%mm0       \n\t"\
        "psrad $" #shift ", %%mm2       \n\t"\
        "packssdw %%mm7, %%mm7          \n\t" /* A0+B0  a0+b0 */\
        "movd %%mm7, " #dst "           \n\t"\
        "packssdw %%mm0, %%mm0          \n\t" /* A1+B1  a1+b1 */\
        "movd %%mm0, 16+" #dst "        \n\t"\
        "packssdw %%mm2, %%mm2          \n\t" /* A1-B1  a1-b1 */\
        "movd %%mm2, 96+" #dst "        \n\t"\
        "packssdw %%mm4, %%mm4          \n\t" /* A0-B0  a0-b0 */\
        "movd %%mm4, 112+" #dst "       \n\t"\
        "movq " #src1 ", %%mm0          \n\t" /* R3     R1      r3      r1 */\
        "movq 80(%2), %%mm4             \n\t" /* -C1    C5      -C1     C5 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* -C1R3+C5R1     -C1r3+C5r1 */\
        "movq 88(%2), %%mm7             \n\t" /* C3     C7      C3      C7 */\
        "pmaddwd 96(%2), %%mm0          \n\t" /* -C5R3+C7R1     -C5r3+C7r1 */\
        "pmaddwd %%mm3, %%mm7           \n\t" /* C3R7+C7R5      C3r7+C7r5 */\
        "movq %%mm5, %%mm2              \n\t" /* A2             a2 */\
        "pmaddwd 104(%2), %%mm3         \n\t" /* -C1R7+C3R5     -C1r7+C3r5 */\
        "paddd %%mm7, %%mm4             \n\t" /* B2             b2 */\
        "paddd %%mm4, %%mm2             \n\t" /* A2+B2          a2+b2 */\
        "psubd %%mm4, %%mm5             \n\t" /* a2-B2          a2-b2 */\
        "psrad $" #shift ", %%mm2       \n\t"\
        "psrad $" #shift ", %%mm5       \n\t"\
        "movq %%mm6, %%mm4              \n\t" /* A3             a3 */\
        "paddd %%mm0, %%mm3             \n\t" /* B3             b3 */\
        "paddd %%mm3, %%mm6             \n\t" /* A3+B3          a3+b3 */\
        "psubd %%mm3, %%mm4             \n\t" /* a3-B3          a3-b3 */\
        "psrad $" #shift ", %%mm6       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "packssdw %%mm2, %%mm2          \n\t" /* A2+B2  a2+b2 */\
        "packssdw %%mm6, %%mm6          \n\t" /* A3+B3  a3+b3 */\
        "movd %%mm2, 32+" #dst "        \n\t"\
        "packssdw %%mm4, %%mm4          \n\t" /* A3-B3  a3-b3 */\
        "packssdw %%mm5, %%mm5          \n\t" /* A2-B2  a2-b2 */\
        "movd %%mm6, 48+" #dst "        \n\t"\
        "movd %%mm4, 64+" #dst "        \n\t"\
        "movd %%mm5, 80+" #dst "        \n\t"
871

872 873 874 875 876
//IDCT(  src0,   src4,   src1,    src5,    dst, shift)
IDCT(    (%1), 64(%1), 32(%1),  96(%1),  0(%0), 20)
IDCT(   8(%1), 72(%1), 40(%1), 104(%1),  4(%0), 20)
IDCT(  16(%1), 80(%1), 48(%1), 112(%1),  8(%0), 20)
IDCT(  24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
877
        "jmp 9f                         \n\t"
878

879
        "# .p2align 4                   \n\t"\
880
        "3:                             \n\t"
881
#undef IDCT
882
#define IDCT(src0, src4, src1, src5, dst, shift) \
883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933
        "movq " #src0 ", %%mm0          \n\t" /* R4     R0      r4      r0 */\
        "movq " #src1 ", %%mm2          \n\t" /* R3     R1      r3      r1 */\
        "movq 16(%2), %%mm4             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm5             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm5, %%mm0           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq %%mm4, %%mm6              \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 48(%2), %%mm7             \n\t" /* C3     C1      C3      C1 */\
        "pmaddwd %%mm2, %%mm7           \n\t" /* C3R3+C1R1      C3r3+C1r1 */\
        "movq %%mm0, %%mm5              \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 64(%2), %%mm3             \n\t"\
        "pmaddwd %%mm2, %%mm3           \n\t" /* -C7R3+C3R1     -C7r3+C3r1 */\
        "paddd %%mm4, %%mm7             \n\t" /* A0+B0          a0+b0 */\
        "paddd %%mm4, %%mm4             \n\t" /* 2A0            2a0 */\
        "psubd %%mm7, %%mm4             \n\t" /* A0-B0          a0-b0 */\
        "psrad $" #shift ", %%mm7       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "movq %%mm0, %%mm1              \n\t" /* A1             a1 */\
        "paddd %%mm3, %%mm0             \n\t" /* A1+B1          a1+b1 */\
        "psubd %%mm3, %%mm1             \n\t" /* A1-B1          a1-b1 */\
        "psrad $" #shift ", %%mm0       \n\t"\
        "psrad $" #shift ", %%mm1       \n\t"\
        "packssdw %%mm7, %%mm7          \n\t" /* A0+B0  a0+b0 */\
        "movd %%mm7, " #dst "           \n\t"\
        "packssdw %%mm0, %%mm0          \n\t" /* A1+B1  a1+b1 */\
        "movd %%mm0, 16+" #dst "        \n\t"\
        "packssdw %%mm1, %%mm1          \n\t" /* A1-B1  a1-b1 */\
        "movd %%mm1, 96+" #dst "        \n\t"\
        "packssdw %%mm4, %%mm4          \n\t" /* A0-B0  a0-b0 */\
        "movd %%mm4, 112+" #dst "       \n\t"\
        "movq 80(%2), %%mm4             \n\t" /* -C1    C5      -C1     C5 */\
        "pmaddwd %%mm2, %%mm4           \n\t" /* -C1R3+C5R1     -C1r3+C5r1 */\
        "pmaddwd 96(%2), %%mm2          \n\t" /* -C5R3+C7R1     -C5r3+C7r1 */\
        "movq %%mm5, %%mm1              \n\t" /* A2             a2 */\
        "paddd %%mm4, %%mm1             \n\t" /* A2+B2          a2+b2 */\
        "psubd %%mm4, %%mm5             \n\t" /* a2-B2          a2-b2 */\
        "psrad $" #shift ", %%mm1       \n\t"\
        "psrad $" #shift ", %%mm5       \n\t"\
        "movq %%mm6, %%mm4              \n\t" /* A3             a3 */\
        "paddd %%mm2, %%mm6             \n\t" /* A3+B3          a3+b3 */\
        "psubd %%mm2, %%mm4             \n\t" /* a3-B3          a3-b3 */\
        "psrad $" #shift ", %%mm6       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "packssdw %%mm1, %%mm1          \n\t" /* A2+B2  a2+b2 */\
        "packssdw %%mm6, %%mm6          \n\t" /* A3+B3  a3+b3 */\
        "movd %%mm1, 32+" #dst "        \n\t"\
        "packssdw %%mm4, %%mm4          \n\t" /* A3-B3  a3-b3 */\
        "packssdw %%mm5, %%mm5          \n\t" /* A2-B2  a2-b2 */\
        "movd %%mm6, 48+" #dst "        \n\t"\
        "movd %%mm4, 64+" #dst "        \n\t"\
        "movd %%mm5, 80+" #dst "        \n\t"
934 935


936 937 938 939 940
//IDCT(  src0,   src4,   src1,    src5,    dst, shift)
IDCT(    (%1), 64(%1), 32(%1),  96(%1),  0(%0), 20)
IDCT(   8(%1), 72(%1), 40(%1), 104(%1),  4(%0), 20)
IDCT(  16(%1), 80(%1), 48(%1), 112(%1),  8(%0), 20)
IDCT(  24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
941
        "jmp 9f                         \n\t"
942

943
        "# .p2align 4                   \n\t"\
944
        "5:                             \n\t"
945
#undef IDCT
946
#define IDCT(src0, src4, src1, src5, dst, shift) \
947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997
        "movq " #src0 ", %%mm0          \n\t" /* R4     R0      r4      r0 */\
        "movq " #src4 ", %%mm1          \n\t" /* R6     R2      r6      r2 */\
        "movq 16(%2), %%mm4             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm5             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm5, %%mm0           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 32(%2), %%mm5             \n\t" /* C6     C2      C6      C2 */\
        "pmaddwd %%mm1, %%mm5           \n\t" /* C6R6+C2R2      C6r6+C2r2 */\
        "movq 40(%2), %%mm6             \n\t" /* -C2    C6      -C2     C6 */\
        "pmaddwd %%mm6, %%mm1           \n\t" /* -C2R6+C6R2     -C2r6+C6r2 */\
        "movq %%mm4, %%mm6              \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "paddd %%mm5, %%mm4             \n\t" /* A0             a0 */\
        "psubd %%mm5, %%mm6             \n\t" /* A3             a3 */\
        "movq %%mm0, %%mm5              \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "paddd %%mm1, %%mm0             \n\t" /* A1             a1 */\
        "psubd %%mm1, %%mm5             \n\t" /* A2             a2 */\
        "movq 8+" #src0 ", %%mm2        \n\t" /* R4     R0      r4      r0 */\
        "movq 8+" #src4 ", %%mm3        \n\t" /* R6     R2      r6      r2 */\
        "movq 16(%2), %%mm1             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm2, %%mm1           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm7             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm7, %%mm2           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 32(%2), %%mm7             \n\t" /* C6     C2      C6      C2 */\
        "pmaddwd %%mm3, %%mm7           \n\t" /* C6R6+C2R2      C6r6+C2r2 */\
        "pmaddwd 40(%2), %%mm3          \n\t" /* -C2R6+C6R2     -C2r6+C6r2 */\
        "paddd %%mm1, %%mm7             \n\t" /* A0             a0 */\
        "paddd %%mm1, %%mm1             \n\t" /* 2C0            2c0 */\
        "psubd %%mm7, %%mm1             \n\t" /* A3             a3 */\
        "paddd %%mm2, %%mm3             \n\t" /* A1             a1 */\
        "paddd %%mm2, %%mm2             \n\t" /* 2C1            2c1 */\
        "psubd %%mm3, %%mm2             \n\t" /* A2             a2 */\
        "psrad $" #shift ", %%mm4       \n\t"\
        "psrad $" #shift ", %%mm7       \n\t"\
        "psrad $" #shift ", %%mm3       \n\t"\
        "packssdw %%mm7, %%mm4          \n\t" /* A0     a0 */\
        "movq %%mm4, " #dst "           \n\t"\
        "psrad $" #shift ", %%mm0       \n\t"\
        "packssdw %%mm3, %%mm0          \n\t" /* A1     a1 */\
        "movq %%mm0, 16+" #dst "        \n\t"\
        "movq %%mm0, 96+" #dst "        \n\t"\
        "movq %%mm4, 112+" #dst "       \n\t"\
        "psrad $" #shift ", %%mm5       \n\t"\
        "psrad $" #shift ", %%mm6       \n\t"\
        "psrad $" #shift ", %%mm2       \n\t"\
        "packssdw %%mm2, %%mm5          \n\t" /* A2-B2  a2-b2 */\
        "movq %%mm5, 32+" #dst "        \n\t"\
        "psrad $" #shift ", %%mm1       \n\t"\
        "packssdw %%mm1, %%mm6          \n\t" /* A3+B3  a3+b3 */\
        "movq %%mm6, 48+" #dst "        \n\t"\
        "movq %%mm6, 64+" #dst "        \n\t"\
        "movq %%mm5, 80+" #dst "        \n\t"
998

999

1000 1001 1002 1003 1004
//IDCT(  src0,   src4,   src1,    src5,    dst, shift)
IDCT(    0(%1), 64(%1), 32(%1),  96(%1),  0(%0), 20)
//IDCT(   8(%1), 72(%1), 40(%1), 104(%1),  4(%0), 20)
IDCT(  16(%1), 80(%1), 48(%1), 112(%1),  8(%0), 20)
//IDCT(  24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
1005
        "jmp 9f                         \n\t"
1006 1007


1008
        "# .p2align 4                   \n\t"\
1009
        "1:                             \n\t"
1010
#undef IDCT
1011
#define IDCT(src0, src4, src1, src5, dst, shift) \
1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071
        "movq " #src0 ", %%mm0          \n\t" /* R4     R0      r4      r0 */\
        "movq " #src4 ", %%mm1          \n\t" /* R6     R2      r6      r2 */\
        "movq " #src1 ", %%mm2          \n\t" /* R3     R1      r3      r1 */\
        "movq 16(%2), %%mm4             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm5             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm5, %%mm0           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 32(%2), %%mm5             \n\t" /* C6     C2      C6      C2 */\
        "pmaddwd %%mm1, %%mm5           \n\t" /* C6R6+C2R2      C6r6+C2r2 */\
        "movq 40(%2), %%mm6             \n\t" /* -C2    C6      -C2     C6 */\
        "pmaddwd %%mm6, %%mm1           \n\t" /* -C2R6+C6R2     -C2r6+C6r2 */\
        "movq %%mm4, %%mm6              \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 48(%2), %%mm7             \n\t" /* C3     C1      C3      C1 */\
        "pmaddwd %%mm2, %%mm7           \n\t" /* C3R3+C1R1      C3r3+C1r1 */\
        "paddd %%mm5, %%mm4             \n\t" /* A0             a0 */\
        "psubd %%mm5, %%mm6             \n\t" /* A3             a3 */\
        "movq %%mm0, %%mm5              \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "paddd %%mm1, %%mm0             \n\t" /* A1             a1 */\
        "psubd %%mm1, %%mm5             \n\t" /* A2             a2 */\
        "movq 64(%2), %%mm1             \n\t"\
        "pmaddwd %%mm2, %%mm1           \n\t" /* -C7R3+C3R1     -C7r3+C3r1 */\
        "paddd %%mm4, %%mm7             \n\t" /* A0+B0          a0+b0 */\
        "paddd %%mm4, %%mm4             \n\t" /* 2A0            2a0 */\
        "psubd %%mm7, %%mm4             \n\t" /* A0-B0          a0-b0 */\
        "psrad $" #shift ", %%mm7       \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "movq %%mm0, %%mm3              \n\t" /* A1             a1 */\
        "paddd %%mm1, %%mm0             \n\t" /* A1+B1          a1+b1 */\
        "psubd %%mm1, %%mm3             \n\t" /* A1-B1          a1-b1 */\
        "psrad $" #shift ", %%mm0       \n\t"\
        "psrad $" #shift ", %%mm3       \n\t"\
        "packssdw %%mm7, %%mm7          \n\t" /* A0+B0  a0+b0 */\
        "movd %%mm7, " #dst "           \n\t"\
        "packssdw %%mm0, %%mm0          \n\t" /* A1+B1  a1+b1 */\
        "movd %%mm0, 16+" #dst "        \n\t"\
        "packssdw %%mm3, %%mm3          \n\t" /* A1-B1  a1-b1 */\
        "movd %%mm3, 96+" #dst "        \n\t"\
        "packssdw %%mm4, %%mm4          \n\t" /* A0-B0  a0-b0 */\
        "movd %%mm4, 112+" #dst "       \n\t"\
        "movq 80(%2), %%mm4             \n\t" /* -C1    C5      -C1     C5 */\
        "pmaddwd %%mm2, %%mm4           \n\t" /* -C1R3+C5R1     -C1r3+C5r1 */\
        "pmaddwd 96(%2), %%mm2          \n\t" /* -C5R3+C7R1     -C5r3+C7r1 */\
        "movq %%mm5, %%mm3              \n\t" /* A2             a2 */\
        "paddd %%mm4, %%mm3             \n\t" /* A2+B2          a2+b2 */\
        "psubd %%mm4, %%mm5             \n\t" /* a2-B2          a2-b2 */\
        "psrad $" #shift ", %%mm3       \n\t"\
        "psrad $" #shift ", %%mm5       \n\t"\
        "movq %%mm6, %%mm4              \n\t" /* A3             a3 */\
        "paddd %%mm2, %%mm6             \n\t" /* A3+B3          a3+b3 */\
        "psubd %%mm2, %%mm4             \n\t" /* a3-B3          a3-b3 */\
        "psrad $" #shift ", %%mm6       \n\t"\
        "packssdw %%mm3, %%mm3          \n\t" /* A2+B2  a2+b2 */\
        "movd %%mm3, 32+" #dst "        \n\t"\
        "psrad $" #shift ", %%mm4       \n\t"\
        "packssdw %%mm6, %%mm6          \n\t" /* A3+B3  a3+b3 */\
        "movd %%mm6, 48+" #dst "        \n\t"\
        "packssdw %%mm4, %%mm4          \n\t" /* A3-B3  a3-b3 */\
        "packssdw %%mm5, %%mm5          \n\t" /* A2-B2  a2-b2 */\
        "movd %%mm4, 64+" #dst "        \n\t"\
        "movd %%mm5, 80+" #dst "        \n\t"
1072

1073

1074 1075 1076 1077 1078
//IDCT(  src0,   src4,   src1,    src5,    dst, shift)
IDCT(    (%1), 64(%1), 32(%1),  96(%1),  0(%0), 20)
IDCT(   8(%1), 72(%1), 40(%1), 104(%1),  4(%0), 20)
IDCT(  16(%1), 80(%1), 48(%1), 112(%1),  8(%0), 20)
IDCT(  24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
1079
        "jmp 9f                         \n\t"
1080 1081


1082
        "# .p2align 4                   \n\t"
1083
        "7:                             \n\t"
1084
#undef IDCT
1085
#define IDCT(src0, src4, src1, src5, dst, shift) \
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
        "movq " #src0 ", %%mm0          \n\t" /* R4     R0      r4      r0 */\
        "movq 16(%2), %%mm4             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm0, %%mm4           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm5             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm5, %%mm0           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "psrad $" #shift ", %%mm4       \n\t"\
        "psrad $" #shift ", %%mm0       \n\t"\
        "movq 8+" #src0 ", %%mm2        \n\t" /* R4     R0      r4      r0 */\
        "movq 16(%2), %%mm1             \n\t" /* C4     C4      C4      C4 */\
        "pmaddwd %%mm2, %%mm1           \n\t" /* C4R4+C4R0      C4r4+C4r0 */\
        "movq 24(%2), %%mm7             \n\t" /* -C4    C4      -C4     C4 */\
        "pmaddwd %%mm7, %%mm2           \n\t" /* -C4R4+C4R0     -C4r4+C4r0 */\
        "movq 32(%2), %%mm7             \n\t" /* C6     C2      C6      C2 */\
        "psrad $" #shift ", %%mm1       \n\t"\
        "packssdw %%mm1, %%mm4          \n\t" /* A0     a0 */\
        "movq %%mm4, " #dst "           \n\t"\
        "psrad $" #shift ", %%mm2       \n\t"\
        "packssdw %%mm2, %%mm0          \n\t" /* A1     a1 */\
        "movq %%mm0, 16+" #dst "        \n\t"\
        "movq %%mm0, 96+" #dst "        \n\t"\
        "movq %%mm4, 112+" #dst "       \n\t"\
        "movq %%mm0, 32+" #dst "        \n\t"\
        "movq %%mm4, 48+" #dst "        \n\t"\
        "movq %%mm4, 64+" #dst "        \n\t"\
        "movq %%mm0, 80+" #dst "        \n\t"
1111

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//IDCT(  src0,   src4,   src1,    src5,    dst, shift)
IDCT(   0(%1), 64(%1), 32(%1),  96(%1),  0(%0), 20)
//IDCT(   8(%1), 72(%1), 40(%1), 104(%1),  4(%0), 20)
IDCT(  16(%1), 80(%1), 48(%1), 112(%1),  8(%0), 20)
//IDCT(  24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
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#endif

/*
Input
1123 1124 1125
 00 40 04 44 20 60 24 64
 10 30 14 34 50 70 54 74
 01 41 03 43 21 61 23 63
1126
 11 31 13 33 51 71 53 73
1127 1128 1129 1130
 02 42 06 46 22 62 26 66
 12 32 16 36 52 72 56 76
 05 45 07 47 25 65 27 67
 15 35 17 37 55 75 57 77
1131

1132
Temp
1133 1134
 00 04 10 14 20 24 30 34
 40 44 50 54 60 64 70 74
1135 1136
 01 03 11 13 21 23 31 33
 41 43 51 53 61 63 71 73
1137 1138
 02 06 12 16 22 26 32 36
 42 46 52 56 62 66 72 76
1139 1140 1141 1142 1143
 05 07 15 17 25 27 35 37
 45 47 55 57 65 67 75 77
*/

"9: \n\t"
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                :: "r" (block), "r" (temp), "r" (coeffs)
                : "%eax"
        );
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}

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void ff_simple_idct_mmx(int16_t *block)
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{
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    idct(block);
}

//FIXME merge add/put into the idct

Diego Biurrun's avatar
Diego Biurrun committed
1156
void ff_simple_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block)
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{
    idct(block);
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    ff_put_pixels_clamped_mmx(block, dest, line_size);
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}
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Diego Biurrun committed
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void ff_simple_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block)
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{
    idct(block);
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    ff_add_pixels_clamped_mmx(block, dest, line_size);
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}
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#endif /* HAVE_INLINE_ASM */