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|
/*
* Loongson SIMD optimized simple idct
*
* Copyright (c) 2015 Loongson Technology Corporation Limited
* Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
* Zhang Shuangshuang <zhangshuangshuang@ict.ac.cn>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "idctdsp_mips.h"
#include "constants.h"
#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
#define C4 16383 //cos(i*M_PI/16)*sqrt(2)*(1<<14) - 0.5
#define C5 12873 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
#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
#define ROW_SHIFT 11
#define COL_SHIFT 20
DECLARE_ALIGNED(8, static const int16_t, coeffs)[]= {
1<<(ROW_SHIFT-1), 0, 1<<(ROW_SHIFT-1), 0,
1<<(ROW_SHIFT-1), 1, 1<<(ROW_SHIFT-1), 0,
C4, C4, C4, C4,
C4, -C4, C4, -C4,
C2, C6, C2, C6,
C6, -C2, C6, -C2,
C1, C3, C1, C3,
C5, C7, C5, C7,
C3, -C7, C3, -C7,
-C1, -C5, -C1, -C5,
C5, -C1, C5, -C1,
C7, C3, C7, C3,
C7, -C5, C7, -C5,
C3, -C1, C3, -C1
};
void ff_simple_idct_mmi(int16_t *block)
{
DECLARE_ALIGNED(8, int64_t, align_tmp)[16];
int16_t * const temp= (int16_t*)align_tmp;
__asm__ volatile (
#undef DC_COND_IDCT
#define DC_COND_IDCT(src0, src4, src1, src5, dst, rounder, rarg, shift) \
"ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
"ldc1 $f2, " #src4 " \n\t" /* R6 R2 r6 r2 */\
"ldc1 $f4, " #src1 " \n\t" /* R3 R1 r3 r1 */\
"ldc1 $f6, " #src5 " \n\t" /* R7 R5 r7 r5 */\
"ldc1 $f8, %3 \n\t" \
"and $f8, $f8, $f0 \n\t" \
"or $f8, $f8, $f2 \n\t" \
"or $f8, $f8, $f4 \n\t" \
"or $f8, $f8, $f6 \n\t" \
"packsswh $f8, $f8, $f8 \n\t" \
"li $11, " #shift " \n\t" \
"mfc1 $10, $f8 \n\t" \
"mtc1 $11, $f18 \n\t" \
"beqz $10, 1f \n\t" \
"ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
"pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
"pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"ldc1 $f10, 32(%2) \n\t" /* C6 C2 C6 C2 */\
"pmaddhw $f10, $f10, $f2 \n\t" /* C6R6+C2R2 C6r6+C2r2 */\
"ldc1 $f12, 40(%2) \n\t" /* -C2 C6 -C2 C6 */\
"pmaddhw $f2, $f2, $f12 \n\t" /* -C2R6+C6R2 -C2r6+C6r2 */\
"ldc1 $f14, 48(%2) \n\t" /* C3 C1 C3 C1 */\
"ldc1 $f16, " #rarg " \n\t" \
"pmaddhw $f14, $f14, $f4 \n\t" /* C3R3+C1R1 C3r3+C1r1 */\
#rounder " $f8, $f8, $f16 \n\t" \
"mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"paddw $f8, $f8, $f10 \n\t" /* A0 a0 */\
"psubw $f12, $f12, $f10 \n\t" /* A3 a3 */\
"ldc1 $f10, 56(%2) \n\t" /* C7 C5 C7 C5 */\
"ldc1 $f16, " #rarg " \n\t" \
"pmaddhw $f10, $f10, $f6 \n\t" /* C7R7+C5R5 C7r7+C5r5 */\
#rounder " $f0, $f0, $f16 \n\t" \
"paddw $f2, $f2, $f0 \n\t" /* A1 a1 */\
"ldc1 $f16, 64(%2) \n\t" \
"paddw $f0, $f0, $f0 \n\t" \
"psubw $f0, $f0, $f2 \n\t" /* A2 a2 */\
"pmaddhw $f4, $f4, $f16 \n\t" /* -C7R3+C3R1 -C7r3+C3r1 */\
"paddw $f14, $f14, $f10 \n\t" /* B0 b0 */\
"ldc1 $f10, 72(%2) \n\t" /* -C5 -C1 -C5 -C1 */\
"pmaddhw $f10, $f10, $f6 \n\t" /* -C5R7-C1R5 -C5r7-C1r5 */\
"paddw $f14, $f14, $f8 \n\t" /* A0+B0 a0+b0 */\
"paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
"psubw $f8, $f8, $f14 \n\t" /* A0-B0 a0-b0 */\
"paddw $f10, $f10, $f4 \n\t" /* B1 b1 */\
"psraw $f14, $f14, $f18 \n\t" \
"psraw $f8, $f8, $f18 \n\t" \
"mov.d $f4, $f2 \n\t" /* A1 a1 */\
"paddw $f2, $f2, $f10 \n\t" /* A1+B1 a1+b1 */\
"psubw $f4, $f4, $f10 \n\t" /* A1-B1 a1-b1 */\
"psraw $f2, $f2, $f18 \n\t" \
"psraw $f4, $f4, $f18 \n\t" \
"packsswh $f14, $f14, $f2 \n\t" /* A1+B1 a1+b1 A0+B0 a0+b0 */\
"packsswh $f4, $f4, $f8 \n\t" /* A0-B0 a0-b0 A1-B1 a1-b1 */\
"sdc1 $f14, " #dst " \n\t" \
"ldc1 $f2, " #src1 " \n\t" /* R3 R1 r3 r1 */\
"ldc1 $f8, 80(%2) \n\t" /* -C1 C5 -C1 C5 */\
"sdc1 $f4, 24+" #dst " \n\t" \
"pmaddhw $f8, $f8, $f2 \n\t" /* -C1R3+C5R1 -C1r3+C5r1 */\
"ldc1 $f16, 96(%2) \n\t" \
"ldc1 $f14, 88(%2) \n\t" /* C3 C7 C3 C7 */\
"pmaddhw $f2, $f2, $f16 \n\t" /* -C5R3+C7R1 -C5r3+C7r1 */\
"pmaddhw $f14, $f14, $f6 \n\t" /* C3R7+C7R5 C3r7+C7r5 */\
"ldc1 $f16, 104(%2) \n\t" \
"mov.d $f4, $f0 \n\t" /* A2 a2 */\
"pmaddhw $f6, $f6, $f16 \n\t" /* -C1R7+C3R5 -C1r7+C3r5 */\
"paddw $f8, $f8, $f14 \n\t" /* B2 b2 */\
"paddw $f4, $f4, $f8 \n\t" /* A2+B2 a2+b2 */\
"psubw $f0, $f0, $f8 \n\t" /* a2-B2 a2-b2 */\
"psraw $f4, $f4, $f18 \n\t" \
"psraw $f0, $f0, $f18 \n\t" \
"mov.d $f8, $f12 \n\t" /* A3 a3 */\
"paddw $f6, $f6, $f2 \n\t" /* B3 b3 */\
"paddw $f12, $f12, $f6 \n\t" /* A3+B3 a3+b3 */\
"psubw $f8, $f8, $f6 \n\t" /* a3-B3 a3-b3 */\
"psraw $f12, $f12, $f18 \n\t" \
"packsswh $f4, $f4, $f12 \n\t" /* A3+B3 a3+b3 A2+B2 a2+b2 */\
"sdc1 $f4, 8+" #dst " \n\t" \
"psraw $f8, $f8, $f18 \n\t" \
"packsswh $f8, $f8, $f0 \n\t" /* A2-B2 a2-b2 A3-B3 a3-b3 */\
"sdc1 $f8, 16+" #dst " \n\t" \
"b 2f \n\t" \
"1: \n\t" \
"li $10, 16 \n\t" \
"mtc1 $10, $f16 \n\t" \
"psllw $f0, $f0, $f16 \n\t" \
"ldc1 $f16, %4 \n\t" \
"paddw $f0, $f0, $f16 \n\t" \
"li $10, 13 \n\t" \
"mtc1 $10, $f16 \n\t" \
"psraw $f0, $f0, $f16 \n\t" \
"packsswh $f0, $f0, $f0 \n\t" \
"sdc1 $f0, " #dst " \n\t" \
"sdc1 $f0, 8+" #dst " \n\t" \
"sdc1 $f0, 16+" #dst " \n\t" \
"sdc1 $f0, 24+" #dst " \n\t" \
"2: \n\t"
#undef Z_COND_IDCT
#define Z_COND_IDCT(src0, src4, src1, src5, dst, rounder, rarg, shift, bt) \
"ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
"ldc1 $f2, " #src4 " \n\t" /* R6 R2 r6 r2 */\
"ldc1 $f4, " #src1 " \n\t" /* R3 R1 r3 r1 */\
"ldc1 $f6, " #src5 " \n\t" /* R7 R5 r7 r5 */\
"mov.d $f8, $f0 \n\t" \
"or $f8, $f8, $f2 \n\t" \
"or $f8, $f8, $f4 \n\t" \
"or $f8, $f8, $f6 \n\t" \
"packsswh $f8, $f8, $f8 \n\t" \
"mfc1 $10, $f8 \n\t" \
"beqz $10, " #bt " \n\t" \
"ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
"pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
"pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"ldc1 $f10, 32(%2) \n\t" /* C6 C2 C6 C2 */\
"pmaddhw $f10, $f10, $f2 \n\t" /* C6R6+C2R2 C6r6+C2r2 */\
"ldc1 $f12, 40(%2) \n\t" /* -C2 C6 -C2 C6 */\
"pmaddhw $f2, $f2, $f12 \n\t" /* -C2R6+C6R2 -C2r6+C6r2 */\
"ldc1 $f14, 48(%2) \n\t" /* C3 C1 C3 C1 */\
"ldc1 $f16, " #rarg " \n\t" \
"pmaddhw $f14, $f14, $f4 \n\t" /* C3R3+C1R1 C3r3+C1r1 */\
#rounder " $f8, $f8, $f16 \n\t" \
"mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"paddw $f8, $f8, $f10 \n\t" /* A0 a0 */\
"psubw $f12, $f12, $f10 \n\t" /* A3 a3 */\
"ldc1 $f10, 56(%2) \n\t" /* C7 C5 C7 C5 */\
"ldc1 $f16, " #rarg " \n\t" \
"pmaddhw $f10, $f10, $f6 \n\t" /* C7R7+C5R5 C7r7+C5r5 */\
#rounder " $f0, $f0, $f16 \n\t" \
"paddw $f2, $f2, $f0 \n\t" /* A1 a1 */\
"paddw $f0, $f0, $f0 \n\t" \
"ldc1 $f16, 64(%2) \n\t" \
"psubw $f0, $f0, $f2 \n\t" /* A2 a2 */\
"pmaddhw $f4, $f4, $f16 \n\t" /* -C7R3+C3R1 -C7r3+C3r1 */\
"paddw $f14, $f14, $f10 \n\t" /* B0 b0 */\
"ldc1 $f10, 72(%2) \n\t" /* -C5 -C1 -C5 -C1 */\
"pmaddhw $f10, $f10, $f6 \n\t" /* -C5R7-C1R5 -C5r7-C1r5 */\
"paddw $f14, $f14, $f8 \n\t" /* A0+B0 a0+b0 */\
"paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
"li $10, " #shift " \n\t" \
"psubw $f8, $f8, $f14 \n\t" /* A0-B0 a0-b0 */\
"mtc1 $10, $f18 \n\t" \
"paddw $f10, $f10, $f4 \n\t" /* B1 b1 */\
"psraw $f14, $f14, $f18 \n\t" \
"psraw $f8, $f8, $f18 \n\t" \
"mov.d $f4, $f2 \n\t" /* A1 a1 */\
"paddw $f2, $f2, $f10 \n\t" /* A1+B1 a1+b1 */\
"psubw $f4, $f4, $f10 \n\t" /* A1-B1 a1-b1 */\
"psraw $f2, $f2, $f18 \n\t" \
"psraw $f4, $f4, $f18 \n\t" \
"packsswh $f14, $f14, $f2 \n\t" /* A1+B1 a1+b1 A0+B0 a0+b0 */\
"packsswh $f4, $f4, $f8 \n\t" /* A0-B0 a0-b0 A1-B1 a1-b1 */\
"sdc1 $f14, " #dst " \n\t" \
"ldc1 $f2, " #src1 " \n\t" /* R3 R1 r3 r1 */\
"ldc1 $f8, 80(%2) \n\t" /* -C1 C5 -C1 C5 */\
"sdc1 $f4, 24+" #dst " \n\t" \
"pmaddhw $f8, $f8, $f2 \n\t" /* -C1R3+C5R1 -C1r3+C5r1 */\
"ldc1 $f16, 96(%2) \n\t" \
"ldc1 $f14, 88(%2) \n\t" /* C3 C7 C3 C7 */\
"pmaddhw $f2, $f2, $f16 \n\t" /* -C5R3+C7R1 -C5r3+C7r1 */\
"pmaddhw $f14, $f14, $f6 \n\t" /* C3R7+C7R5 C3r7+C7r5 */\
"ldc1 $f16, 104(%2) \n\t" \
"mov.d $f4, $f0 \n\t" /* A2 a2 */\
"pmaddhw $f6, $f6, $f16 \n\t" /* -C1R7+C3R5 -C1r7+C3r5 */\
"paddw $f8, $f8, $f14 \n\t" /* B2 b2 */\
"paddw $f4, $f4, $f8 \n\t" /* A2+B2 a2+b2 */\
"psubw $f0, $f0, $f8 \n\t" /* a2-B2 a2-b2 */\
"psraw $f4, $f4, $f18 \n\t" \
"psraw $f0, $f0, $f18 \n\t" \
"mov.d $f8, $f12 \n\t" /* A3 a3 */\
"paddw $f6, $f6, $f2 \n\t" /* B3 b3 */\
"paddw $f12, $f12, $f6 \n\t" /* A3+B3 a3+b3 */\
"psubw $f8, $f8, $f6 \n\t" /* a3-B3 a3-b3 */\
"psraw $f12, $f12, $f18 \n\t" \
"packsswh $f4, $f4, $f12 \n\t" /* A3+B3 a3+b3 A2+B2 a2+b2 */\
"sdc1 $f4, 8+" #dst " \n\t" \
"psraw $f8, $f8, $f18 \n\t" \
"packsswh $f8, $f8, $f0 \n\t" /* A2-B2 a2-b2 A3-B3 a3-b3 */\
"sdc1 $f8, 16+" #dst " \n\t" \
//IDCT( src0, src4, src1, src5, dst, rounder, shift)
DC_COND_IDCT(0(%0), 8(%0), 16(%0), 24(%0), 0(%1), paddw,8(%2), 11)
Z_COND_IDCT(32(%0), 40(%0), 48(%0), 56(%0), 32(%1), paddw,(%2), 11, 4f)
Z_COND_IDCT(64(%0), 72(%0), 80(%0), 88(%0), 64(%1), paddw,(%2), 11, 2f)
Z_COND_IDCT(96(%0),104(%0),112(%0),120(%0), 96(%1), paddw,(%2), 11, 1f)
#undef IDCT
#define IDCT(src0, src4, src1, src5, dst, shift) \
"ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
"ldc1 $f2, " #src4 " \n\t" /* R6 R2 r6 r2 */\
"ldc1 $f4, " #src1 " \n\t" /* R3 R1 r3 r1 */\
"ldc1 $f6, " #src5 " \n\t" /* R7 R5 r7 r5 */\
"ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
"pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
"pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"ldc1 $f10, 32(%2) \n\t" /* C6 C2 C6 C2 */\
"pmaddhw $f10, $f10, $f2 \n\t" /* C6R6+C2R2 C6r6+C2r2 */\
"ldc1 $f12, 40(%2) \n\t" /* -C2 C6 -C2 C6 */\
"pmaddhw $f2, $f2, $f12 \n\t" /* -C2R6+C6R2 -C2r6+C6r2 */\
"mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f14, 48(%2) \n\t" /* C3 C1 C3 C1 */\
"pmaddhw $f14, $f14, $f4 \n\t" /* C3R3+C1R1 C3r3+C1r1 */\
"paddw $f8, $f8, $f10 \n\t" /* A0 a0 */\
"psubw $f12, $f12, $f10 \n\t" /* A3 a3 */\
"mov.d $f10, $f0 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"paddw $f0, $f0, $f2 \n\t" /* A1 a1 */\
"psubw $f10, $f10, $f2 \n\t" /* A2 a2 */\
"ldc1 $f2, 56(%2) \n\t" /* C7 C5 C7 C5 */\
"ldc1 $f16, 64(%2) \n\t" \
"pmaddhw $f2, $f2, $f6 \n\t" /* C7R7+C5R5 C7r7+C5r5 */\
"pmaddhw $f4, $f4, $f16 \n\t" /* -C7R3+C3R1 -C7r3+C3r1 */\
"li $10, " #shift " \n\t" \
"paddw $f14, $f14, $f2 \n\t" /* B0 b0 */\
"ldc1 $f2, 72(%2) \n\t" /* -C5 -C1 -C5 -C1 */\
"mtc1 $10, $f18 \n\t" \
"pmaddhw $f2, $f2, $f6 \n\t" /* -C5R7-C1R5 -C5r7-C1r5 */\
"paddw $f14, $f14, $f8 \n\t" /* A0+B0 a0+b0 */\
"paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
"psubw $f8, $f8, $f14 \n\t" /* A0-B0 a0-b0 */\
"paddw $f2, $f2, $f4 \n\t" /* B1 b1 */\
"psraw $f14, $f14, $f18 \n\t" \
"psraw $f8, $f8, $f18 \n\t" \
"mov.d $f4, $f0 \n\t" /* A1 a1 */\
"paddw $f0, $f0, $f2 \n\t" /* A1+B1 a1+b1 */\
"psubw $f4, $f4, $f2 \n\t" /* A1-B1 a1-b1 */\
"psraw $f0, $f0, $f18 \n\t" \
"psraw $f4, $f4, $f18 \n\t" \
"packsswh $f14, $f14, $f14 \n\t" /* A0+B0 a0+b0 */\
"swc1 $f14, " #dst " \n\t" \
"packsswh $f0, $f0, $f0 \n\t" /* A1+B1 a1+b1 */\
"swc1 $f0, 16+" #dst " \n\t" \
"packsswh $f4, $f4, $f4 \n\t" /* A1-B1 a1-b1 */\
"swc1 $f4, 96+" #dst " \n\t" \
"packsswh $f8, $f8, $f8 \n\t" /* A0-B0 a0-b0 */\
"swc1 $f8, 112+" #dst " \n\t" \
"ldc1 $f0, " #src1 " \n\t" /* R3 R1 r3 r1 */\
"ldc1 $f8, 80(%2) \n\t" /* -C1 C5 -C1 C5 */\
"pmaddhw $f8, $f8, $f0 \n\t" /* -C1R3+C5R1 -C1r3+C5r1 */\
"ldc1 $f16, 96(%2) \n\t" \
"ldc1 $f14, 88(%2) \n\t" /* C3 C7 C3 C7 */\
"pmaddhw $f0, $f0, $f16 \n\t" /* -C5R3+C7R1 -C5r3+C7r1 */\
"pmaddhw $f14, $f14, $f6 \n\t" /* C3R7+C7R5 C3r7+C7r5 */\
"ldc1 $f16, 104(%2) \n\t" \
"mov.d $f4, $f10 \n\t" /* A2 a2 */\
"pmaddhw $f6, $f6, $f16 \n\t" /* -C1R7+C3R5 -C1r7+C3r5 */\
"paddw $f8, $f8, $f14 \n\t" /* B2 b2 */\
"paddw $f4, $f4, $f8 \n\t" /* A2+B2 a2+b2 */\
"psubw $f10, $f10, $f8 \n\t" /* a2-B2 a2-b2 */\
"psraw $f4, $f4, $f18 \n\t" \
"psraw $f10, $f10, $f18 \n\t" \
"mov.d $f8, $f12 \n\t" /* A3 a3 */\
"paddw $f6, $f6, $f0 \n\t" /* B3 b3 */\
"paddw $f12, $f12, $f6 \n\t" /* A3+B3 a3+b3 */\
"psubw $f8, $f8, $f6 \n\t" /* a3-B3 a3-b3 */\
"psraw $f12, $f12, $f18 \n\t" \
"psraw $f8, $f8, $f18 \n\t" \
"packsswh $f4, $f4, $f4 \n\t" /* A2+B2 a2+b2 */\
"packsswh $f12, $f12, $f12 \n\t" /* A3+B3 a3+b3 */\
"swc1 $f4, 32+" #dst " \n\t" \
"packsswh $f8, $f8, $f8 \n\t" /* A3-B3 a3-b3 */\
"packsswh $f10, $f10, $f10 \n\t" /* A2-B2 a2-b2 */\
"swc1 $f12, 48+" #dst " \n\t" \
"swc1 $f8, 64+" #dst " \n\t" \
"swc1 $f10, 80+" #dst " \n\t"
//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)
"b 9f \n\t"
"# .p2align 4 \n\t"
"4: \n\t"
Z_COND_IDCT(64(%0), 72(%0), 80(%0), 88(%0), 64(%1),paddw,(%2), 11, 6f)
Z_COND_IDCT(96(%0),104(%0),112(%0),120(%0), 96(%1),paddw,(%2), 11, 5f)
#undef IDCT
#define IDCT(src0, src4, src1, src5, dst, shift) \
"ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
"ldc1 $f2, " #src4 " \n\t" /* R6 R2 r6 r2 */\
"ldc1 $f6, " #src5 " \n\t" /* R7 R5 r7 r5 */\
"ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
"pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
"pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"ldc1 $f10, 32(%2) \n\t" /* C6 C2 C6 C2 */\
"pmaddhw $f10, $f10, $f2 \n\t" /* C6R6+C2R2 C6r6+C2r2 */\
"ldc1 $f12, 40(%2) \n\t" /* -C2 C6 -C2 C6 */\
"pmaddhw $f2, $f2, $f12 \n\t" /* -C2R6+C6R2 -C2r6+C6r2 */\
"mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"paddw $f8, $f8, $f10 \n\t" /* A0 a0 */\
"psubw $f12, $f12, $f10 \n\t" /* A3 a3 */\
"mov.d $f10, $f0 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"paddw $f0, $f0, $f2 \n\t" /* A1 a1 */\
"psubw $f10, $f10, $f2 \n\t" /* A2 a2 */\
"ldc1 $f2, 56(%2) \n\t" /* C7 C5 C7 C5 */\
"li $10, " #shift " \n\t" \
"pmaddhw $f2, $f2, $f6 \n\t" /* C7R7+C5R5 C7r7+C5r5 */\
"ldc1 $f14, 72(%2) \n\t" /* -C5 -C1 -C5 -C1 */\
"mtc1 $10, $f18 \n\t" \
"pmaddhw $f14, $f14, $f6 \n\t" /* -C5R7-C1R5 -C5r7-C1r5 */\
"paddw $f2, $f2, $f8 \n\t" /* A0+B0 a0+b0 */\
"paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
"psubw $f8, $f8, $f2 \n\t" /* A0-B0 a0-b0 */\
"psraw $f2, $f2, $f18 \n\t" \
"psraw $f8, $f8, $f18 \n\t" \
"mov.d $f4, $f0 \n\t" /* A1 a1 */\
"paddw $f0, $f0, $f14 \n\t" /* A1+B1 a1+b1 */\
"psubw $f4, $f4, $f14 \n\t" /* A1-B1 a1-b1 */\
"psraw $f0, $f0, $f18 \n\t" \
"psraw $f4, $f4, $f18 \n\t" \
"packsswh $f2, $f2, $f2 \n\t" /* A0+B0 a0+b0 */\
"swc1 $f2, " #dst " \n\t" \
"packsswh $f0, $f0, $f0 \n\t" /* A1+B1 a1+b1 */\
"swc1 $f0, 16+" #dst " \n\t" \
"packsswh $f4, $f4, $f4 \n\t" /* A1-B1 a1-b1 */\
"swc1 $f4, 96+" #dst " \n\t" \
"packsswh $f8, $f8, $f8 \n\t" /* A0-B0 a0-b0 */\
"swc1 $f8, 112+" #dst " \n\t" \
"ldc1 $f2, 88(%2) \n\t" /* C3 C7 C3 C7 */\
"ldc1 $f16, 104(%2) \n\t" \
"pmaddhw $f2, $f2, $f6 \n\t" /* C3R7+C7R5 C3r7+C7r5 */\
"mov.d $f4, $f10 \n\t" /* A2 a2 */\
"pmaddhw $f6, $f6, $f16 \n\t" /* -C1R7+C3R5 -C1r7+C3r5 */\
"paddw $f4, $f4, $f2 \n\t" /* A2+B2 a2+b2 */\
"psubw $f10, $f10, $f2 \n\t" /* a2-B2 a2-b2 */\
"psraw $f4, $f4, $f18 \n\t" \
"psraw $f10, $f10, $f18 \n\t" \
"mov.d $f2, $f12 \n\t" /* A3 a3 */\
"paddw $f12, $f12, $f6 \n\t" /* A3+B3 a3+b3 */\
"psubw $f2, $f2, $f6 \n\t" /* a3-B3 a3-b3 */\
"psraw $f12, $f12, $f18 \n\t" \
"psraw $f2, $f2, $f18 \n\t" \
"packsswh $f4, $f4, $f4 \n\t" /* A2+B2 a2+b2 */\
"packsswh $f12, $f12, $f12 \n\t" /* A3+B3 a3+b3 */\
"swc1 $f4, 32+" #dst " \n\t" \
"packsswh $f2, $f2, $f2 \n\t" /* A3-B3 a3-b3 */\
"packsswh $f10, $f10, $f10 \n\t" /* A2-B2 a2-b2 */\
"swc1 $f12, 48+" #dst " \n\t" \
"swc1 $f2, 64+" #dst " \n\t" \
"swc1 $f10, 80+" #dst " \n\t"
//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)
"b 9f \n\t"
"# .p2align 4 \n\t"
"6: \n\t"
Z_COND_IDCT(96(%0),104(%0),112(%0),120(%0), 96(%1),paddw,(%2), 11, 7f)
#undef IDCT
#define IDCT(src0, src4, src1, src5, dst, shift) \
"ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
"ldc1 $f6, " #src5 " \n\t" /* R7 R5 r7 r5 */\
"ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
"pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
"pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"mov.d $f10, $f0 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"ldc1 $f2, 56(%2) \n\t" /* C7 C5 C7 C5 */\
"pmaddhw $f2, $f2, $f6 \n\t" /* C7R7+C5R5 C7r7+C5r5 */\
"ldc1 $f14, 72(%2) \n\t" /* -C5 -C1 -C5 -C1 */\
"li $10, " #shift " \n\t" \
"pmaddhw $f14, $f14, $f6 \n\t" /* -C5R7-C1R5 -C5r7-C1r5 */\
"paddw $f2, $f2, $f8 \n\t" /* A0+B0 a0+b0 */\
"mtc1 $10, $f18 \n\t" \
"paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
"psubw $f8, $f8, $f2 \n\t" /* A0-B0 a0-b0 */\
"psraw $f2, $f2, $f18 \n\t" \
"psraw $f8, $f8, $f18 \n\t" \
"mov.d $f4, $f0 \n\t" /* A1 a1 */\
"paddw $f0, $f0, $f14 \n\t" /* A1+B1 a1+b1 */\
"psubw $f4, $f4, $f14 \n\t" /* A1-B1 a1-b1 */\
"psraw $f0, $f0, $f18 \n\t" \
"psraw $f4, $f4, $f18 \n\t" \
"packsswh $f2, $f2, $f2 \n\t" /* A0+B0 a0+b0 */\
"swc1 $f2, " #dst " \n\t" \
"packsswh $f0, $f0, $f0 \n\t" /* A1+B1 a1+b1 */\
"swc1 $f0, 16+" #dst " \n\t" \
"packsswh $f4, $f4, $f4 \n\t" /* A1-B1 a1-b1 */\
"swc1 $f4, 96+" #dst " \n\t" \
"packsswh $f8, $f8, $f8 \n\t" /* A0-B0 a0-b0 */\
"swc1 $f8, 112+" #dst " \n\t" \
"ldc1 $f2, 88(%2) \n\t" /* C3 C7 C3 C7 */\
"ldc1 $f16, 104(%2) \n\t" \
"pmaddhw $f2, $f2, $f6 \n\t" /* C3R7+C7R5 C3r7+C7r5 */\
"mov.d $f4, $f10 \n\t" /* A2 a2 */\
"pmaddhw $f6, $f6, $f16 \n\t" /* -C1R7+C3R5 -C1r7+C3r5 */\
"paddw $f4, $f4, $f2 \n\t" /* A2+B2 a2+b2 */\
"psubw $f10, $f10, $f2 \n\t" /* a2-B2 a2-b2 */\
"psraw $f4, $f4, $f18 \n\t" \
"psraw $f10, $f10, $f18 \n\t" \
"mov.d $f2, $f12 \n\t" /* A3 a3 */\
"paddw $f12, $f12, $f6 \n\t" /* A3+B3 a3+b3 */\
"psubw $f2, $f2, $f6 \n\t" /* a3-B3 a3-b3 */\
"psraw $f12, $f12, $f18 \n\t" \
"psraw $f2, $f2, $f18 \n\t" \
"packsswh $f4, $f4, $f4 \n\t" /* A2+B2 a2+b2 */\
"packsswh $f12, $f12, $f12 \n\t" /* A3+B3 a3+b3 */\
"swc1 $f4, 32+" #dst " \n\t" \
"packsswh $f2, $f2, $f2 \n\t" /* A3-B3 a3-b3 */\
"packsswh $f10, $f10, $f10 \n\t" /* A2-B2 a2-b2 */\
"swc1 $f12, 48+" #dst " \n\t" \
"swc1 $f2, 64+" #dst " \n\t" \
"swc1 $f10, 80+" #dst " \n\t"
//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)
"b 9f \n\t"
"# .p2align 4 \n\t"
"2: \n\t"
Z_COND_IDCT(96(%0),104(%0),112(%0),120(%0), 96(%1),paddw,(%2), 11, 3f)
#undef IDCT
#define IDCT(src0, src4, src1, src5, dst, shift) \
"ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
"ldc1 $f4, " #src1 " \n\t" /* R3 R1 r3 r1 */\
"ldc1 $f6, " #src5 " \n\t" /* R7 R5 r7 r5 */\
"ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
"pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
"pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f14, 48(%2) \n\t" /* C3 C1 C3 C1 */\
"pmaddhw $f14, $f14, $f4 \n\t" /* C3R3+C1R1 C3r3+C1r1 */\
"mov.d $f10, $f0 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"ldc1 $f2, 56(%2) \n\t" /* C7 C5 C7 C5 */\
"pmaddhw $f2, $f2, $f6 \n\t" /* C7R7+C5R5 C7r7+C5r5 */\
"ldc1 $f16, 64(%2) \n\t" \
"pmaddhw $f4, $f4, $f16 \n\t" /* -C7R3+C3R1 -C7r3+C3r1 */\
"paddw $f14, $f14, $f2 \n\t" /* B0 b0 */\
"ldc1 $f2, 72(%2) \n\t" /* -C5 -C1 -C5 -C1 */\
"li $10, " #shift " \n\t" \
"pmaddhw $f2, $f2, $f6 \n\t" /* -C5R7-C1R5 -C5r7-C1r5 */\
"paddw $f14, $f14, $f8 \n\t" /* A0+B0 a0+b0 */\
"mtc1 $10, $f18 \n\t" \
"paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
"psubw $f8, $f8, $f14 \n\t" /* A0-B0 a0-b0 */\
"paddw $f2, $f2, $f4 \n\t" /* B1 b1 */\
"psraw $f14, $f14, $f18 \n\t" \
"psraw $f8, $f8, $f18 \n\t" \
"mov.d $f4, $f0 \n\t" /* A1 a1 */\
"paddw $f0, $f0, $f2 \n\t" /* A1+B1 a1+b1 */\
"psubw $f4, $f4, $f2 \n\t" /* A1-B1 a1-b1 */\
"psraw $f0, $f0, $f18 \n\t" \
"psraw $f4, $f4, $f18 \n\t" \
"packsswh $f14, $f14, $f14 \n\t" /* A0+B0 a0+b0 */\
"swc1 $f14, " #dst " \n\t" \
"packsswh $f0, $f0, $f0 \n\t" /* A1+B1 a1+b1 */\
"swc1 $f0, 16+" #dst " \n\t" \
"packsswh $f4, $f4, $f4 \n\t" /* A1-B1 a1-b1 */\
"swc1 $f4, 96+" #dst " \n\t" \
"packsswh $f8, $f8, $f8 \n\t" /* A0-B0 a0-b0 */\
"swc1 $f8, 112+" #dst " \n\t" \
"ldc1 $f0, " #src1 " \n\t" /* R3 R1 r3 r1 */\
"ldc1 $f8, 80(%2) \n\t" /* -C1 C5 -C1 C5 */\
"pmaddhw $f8, $f8, $f0 \n\t" /* -C1R3+C5R1 -C1r3+C5r1 */\
"ldc1 $f14, 88(%2) \n\t" /* C3 C7 C3 C7 */\
"ldc1 $f16, 96(%2) \n\t" \
"pmaddhw $f0, $f0, $f16 \n\t" /* -C5R3+C7R1 -C5r3+C7r1 */\
"pmaddhw $f14, $f14, $f6 \n\t" /* C3R7+C7R5 C3r7+C7r5 */\
"mov.d $f4, $f10 \n\t" /* A2 a2 */\
"ldc1 $f16, 104(%2) \n\t" \
"pmaddhw $f6, $f6, $f16 \n\t" /* -C1R7+C3R5 -C1r7+C3r5 */\
"paddw $f8, $f8, $f14 \n\t" /* B2 b2 */\
"paddw $f4, $f4, $f8 \n\t" /* A2+B2 a2+b2 */\
"psubw $f10, $f10, $f8 \n\t" /* a2-B2 a2-b2 */\
"psraw $f4, $f4, $f18 \n\t" \
"psraw $f10, $f10, $f18 \n\t" \
"mov.d $f8, $f12 \n\t" /* A3 a3 */\
"paddw $f6, $f6, $f0 \n\t" /* B3 b3 */\
"paddw $f12, $f12, $f6 \n\t" /* A3+B3 a3+b3 */\
"psubw $f8, $f8, $f6 \n\t" /* a3-B3 a3-b3 */\
"psraw $f12, $f12, $f18 \n\t" \
"psraw $f8, $f8, $f18 \n\t" \
"packsswh $f4, $f4, $f4 \n\t" /* A2+B2 a2+b2 */\
"packsswh $f12, $f12, $f12 \n\t" /* A3+B3 a3+b3 */\
"swc1 $f4, 32+" #dst " \n\t" \
"packsswh $f8, $f8, $f8 \n\t" /* A3-B3 a3-b3 */\
"packsswh $f10, $f10, $f10 \n\t" /* A2-B2 a2-b2 */\
"swc1 $f12, 48+" #dst " \n\t" \
"swc1 $f8, 64+" #dst " \n\t" \
"swc1 $f10, 80+" #dst " \n\t"
//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)
"b 9f \n\t"
"# .p2align 4 \n\t"
"3: \n\t"
#undef IDCT
#define IDCT(src0, src4, src1, src5, dst, shift) \
"ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
"ldc1 $f4, " #src1 " \n\t" /* R3 R1 r3 r1 */\
"ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
"pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
"pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f14, 48(%2) \n\t" /* C3 C1 C3 C1 */\
"pmaddhw $f14, $f14, $f4 \n\t" /* C3R3+C1R1 C3r3+C1r1 */\
"mov.d $f10, $f0 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"ldc1 $f6, 64(%2) \n\t" \
"pmaddhw $f6, $f6, $f4 \n\t" /* -C7R3+C3R1 -C7r3+C3r1 */\
"li $10, " #shift " \n\t" \
"paddw $f14, $f14, $f8 \n\t" /* A0+B0 a0+b0 */\
"mtc1 $10, $f18 \n\t" \
"paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
"psubw $f8, $f8, $f14 \n\t" /* A0-B0 a0-b0 */\
"psraw $f14, $f14, $f18 \n\t" \
"psraw $f8, $f8, $f18 \n\t" \
"mov.d $f2, $f0 \n\t" /* A1 a1 */\
"paddw $f0, $f0, $f6 \n\t" /* A1+B1 a1+b1 */\
"psubw $f2, $f2, $f6 \n\t" /* A1-B1 a1-b1 */\
"psraw $f0, $f0, $f18 \n\t" \
"psraw $f2, $f2, $f18 \n\t" \
"packsswh $f14, $f14, $f14 \n\t" /* A0+B0 a0+b0 */\
"swc1 $f14, " #dst " \n\t" \
"packsswh $f0, $f0, $f0 \n\t" /* A1+B1 a1+b1 */\
"swc1 $f0, 16+" #dst " \n\t" \
"packsswh $f2, $f2, $f2 \n\t" /* A1-B1 a1-b1 */\
"swc1 $f2, 96+" #dst " \n\t" \
"packsswh $f8, $f8, $f8 \n\t" /* A0-B0 a0-b0 */\
"swc1 $f8, 112+" #dst " \n\t" \
"ldc1 $f8, 80(%2) \n\t" /* -C1 C5 -C1 C5 */\
"ldc1 $f16, 96(%2) \n\t" \
"pmaddhw $f8, $f8, $f4 \n\t" /* -C1R3+C5R1 -C1r3+C5r1 */\
"pmaddhw $f4, $f4, $f16 \n\t" /* -C5R3+C7R1 -C5r3+C7r1 */\
"mov.d $f2, $f10 \n\t" /* A2 a2 */\
"paddw $f2, $f2, $f8 \n\t" /* A2+B2 a2+b2 */\
"psubw $f10, $f10, $f8 \n\t" /* a2-B2 a2-b2 */\
"psraw $f2, $f2, $f18 \n\t" \
"psraw $f10, $f10, $f18 \n\t" \
"mov.d $f8, $f12 \n\t" /* A3 a3 */\
"paddw $f12, $f12, $f4 \n\t" /* A3+B3 a3+b3 */\
"psubw $f8, $f8, $f4 \n\t" /* a3-B3 a3-b3 */\
"psraw $f12, $f12, $f18 \n\t" \
"psraw $f8, $f8, $f18 \n\t" \
"packsswh $f2, $f2, $f2 \n\t" /* A2+B2 a2+b2 */\
"packsswh $f12, $f12, $f12 \n\t" /* A3+B3 a3+b3 */\
"swc1 $f2, 32+" #dst " \n\t" \
"packsswh $f8, $f8, $f8 \n\t" /* A3-B3 a3-b3 */\
"packsswh $f10, $f10, $f10 \n\t" /* A2-B2 a2-b2 */\
"swc1 $f12, 48+" #dst " \n\t" \
"swc1 $f8, 64+" #dst " \n\t" \
"swc1 $f10, 80+" #dst " \n\t"
//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)
"b 9f \n\t"
"# .p2align 4 \n\t"
"5: \n\t"
#undef IDCT
#define IDCT(src0, src4, src1, src5, dst, shift) \
"ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
"ldc1 $f2, " #src4 " \n\t" /* R6 R2 r6 r2 */\
"ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
"pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
"pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"ldc1 $f10, 32(%2) \n\t" /* C6 C2 C6 C2 */\
"pmaddhw $f10, $f10, $f2 \n\t" /* C6R6+C2R2 C6r6+C2r2 */\
"ldc1 $f12, 40(%2) \n\t" /* -C2 C6 -C2 C6 */\
"pmaddhw $f2, $f2, $f12 \n\t" /* -C2R6+C6R2 -C2r6+C6r2 */\
"mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"paddw $f8, $f8, $f10 \n\t" /* A0 a0 */\
"psubw $f12, $f12, $f10 \n\t" /* A3 a3 */\
"mov.d $f10, $f0 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"paddw $f0, $f0, $f2 \n\t" /* A1 a1 */\
"psubw $f10, $f10, $f2 \n\t" /* A2 a2 */\
"ldc1 $f4, 8+" #src0 " \n\t" /* R4 R0 r4 r0 */\
"ldc1 $f6, 8+" #src4 " \n\t" /* R6 R2 r6 r2 */\
"ldc1 $f2, 16(%2) \n\t" /* C4 C4 C4 C4 */\
"pmaddhw $f2, $f2, $f4 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f14, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
"pmaddhw $f4, $f4, $f14 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"ldc1 $f14, 32(%2) \n\t" /* C6 C2 C6 C2 */\
"ldc1 $f16, 40(%2) \n\t" \
"pmaddhw $f14, $f14, $f6 \n\t" /* C6R6+C2R2 C6r6+C2r2 */\
"pmaddhw $f6, $f6, $f16 \n\t" /* -C2R6+C6R2 -C2r6+C6r2 */\
"paddw $f14, $f14, $f2 \n\t" /* A0 a0 */\
"paddw $f2, $f2, $f2 \n\t" /* 2C0 2c0 */\
"psubw $f2, $f2, $f14 \n\t" /* A3 a3 */\
"li $10, " #shift " \n\t" \
"paddw $f6, $f6, $f4 \n\t" /* A1 a1 */\
"mtc1 $10, $f18 \n\t" \
"paddw $f4, $f4, $f4 \n\t" /* 2C1 2c1 */\
"psubw $f4, $f4, $f6 \n\t" /* A2 a2 */\
"psraw $f8, $f8, $f18 \n\t" \
"psraw $f14, $f14, $f18 \n\t" \
"psraw $f6, $f6, $f18 \n\t" \
"packsswh $f8, $f8, $f14 \n\t" /* A0 a0 */\
"sdc1 $f8, " #dst " \n\t" \
"psraw $f0, $f0, $f18 \n\t" \
"packsswh $f0, $f0, $f6 \n\t" /* A1 a1 */\
"sdc1 $f0, 16+" #dst " \n\t" \
"sdc1 $f0, 96+" #dst " \n\t" \
"sdc1 $f8, 112+" #dst " \n\t" \
"psraw $f10, $f10, $f18 \n\t" \
"psraw $f12, $f12, $f18 \n\t" \
"psraw $f4, $f4, $f18 \n\t" \
"packsswh $f10, $f10, $f4 \n\t" /* A2-B2 a2-b2 */\
"sdc1 $f10, 32+" #dst " \n\t" \
"psraw $f2, $f2, $f18 \n\t" \
"packsswh $f12, $f12, $f2 \n\t" /* A3+B3 a3+b3 */\
"sdc1 $f12, 48+" #dst " \n\t" \
"sdc1 $f12, 64+" #dst " \n\t" \
"sdc1 $f10, 80+" #dst " \n\t"
//IDCT( src0, src4, src1, src5, dst, shift)
IDCT( 0(%1), 64(%1), 32(%1), 96(%1), 0(%0), 20)
IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
"b 9f \n\t"
"# .p2align 4 \n\t"
"1: \n\t"
#undef IDCT
#define IDCT(src0, src4, src1, src5, dst, shift) \
"ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
"ldc1 $f2, " #src4 " \n\t" /* R6 R2 r6 r2 */\
"ldc1 $f4, " #src1 " \n\t" /* R3 R1 r3 r1 */\
"ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
"li $10, " #shift " \n\t" \
"pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
"mtc1 $10, $f18 \n\t" \
"pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"ldc1 $f10, 32(%2) \n\t" /* C6 C2 C6 C2 */\
"pmaddhw $f10, $f10, $f2 \n\t" /* C6R6+C2R2 C6r6+C2r2 */\
"ldc1 $f12, 40(%2) \n\t" /* -C2 C6 -C2 C6 */\
"pmaddhw $f2, $f2, $f12 \n\t" /* -C2R6+C6R2 -C2r6+C6r2 */\
"mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f14, 48(%2) \n\t" /* C3 C1 C3 C1 */\
"pmaddhw $f14, $f14, $f4 \n\t" /* C3R3+C1R1 C3r3+C1r1 */\
"paddw $f8, $f8, $f10 \n\t" /* A0 a0 */\
"psubw $f12, $f12, $f10 \n\t" /* A3 a3 */\
"mov.d $f10, $f0 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"paddw $f0, $f0, $f2 \n\t" /* A1 a1 */\
"psubw $f10, $f10, $f2 \n\t" /* A2 a2 */\
"ldc1 $f2, 64(%2) \n\t" \
"pmaddhw $f2, $f2, $f4 \n\t" /* -C7R3+C3R1 -C7r3+C3r1 */\
"paddw $f14, $f14, $f8 \n\t" /* A0+B0 a0+b0 */\
"paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
"psubw $f8, $f8, $f14 \n\t" /* A0-B0 a0-b0 */\
"psraw $f14, $f14, $f18 \n\t" \
"psraw $f8, $f8, $f18 \n\t" \
"mov.d $f6, $f0 \n\t" /* A1 a1 */\
"paddw $f0, $f0, $f2 \n\t" /* A1+B1 a1+b1 */\
"psubw $f6, $f6, $f2 \n\t" /* A1-B1 a1-b1 */\
"psraw $f0, $f0, $f18 \n\t" \
"psraw $f6, $f6, $f18 \n\t" \
"packsswh $f14, $f14, $f14 \n\t" /* A0+B0 a0+b0 */\
"swc1 $f14, " #dst " \n\t" \
"packsswh $f0, $f0, $f0 \n\t" /* A1+B1 a1+b1 */\
"swc1 $f0, 16+" #dst " \n\t" \
"packsswh $f6, $f6, $f6 \n\t" /* A1-B1 a1-b1 */\
"swc1 $f6, 96+" #dst " \n\t" \
"packsswh $f8, $f8, $f8 \n\t" /* A0-B0 a0-b0 */\
"swc1 $f8, 112+" #dst " \n\t" \
"ldc1 $f8, 80(%2) \n\t" /* -C1 C5 -C1 C5 */\
"ldc1 $f16, 96(%2) \n\t" \
"pmaddhw $f8, $f8, $f4 \n\t" /* -C1R3+C5R1 -C1r3+C5r1 */\
"pmaddhw $f4, $f4, $f16 \n\t" /* -C5R3+C7R1 -C5r3+C7r1 */\
"mov.d $f6, $f10 \n\t" /* A2 a2 */\
"paddw $f6, $f6, $f8 \n\t" /* A2+B2 a2+b2 */\
"psubw $f10, $f10, $f8 \n\t" /* a2-B2 a2-b2 */\
"psraw $f6, $f6, $f18 \n\t" \
"psraw $f10, $f10, $f18 \n\t" \
"mov.d $f8, $f12 \n\t" /* A3 a3 */\
"paddw $f12, $f12, $f4 \n\t" /* A3+B3 a3+b3 */\
"psubw $f8, $f8, $f4 \n\t" /* a3-B3 a3-b3 */\
"psraw $f12, $f12, $f18 \n\t" \
"packsswh $f6, $f6, $f6 \n\t" /* A2+B2 a2+b2 */\
"swc1 $f6, 32+" #dst " \n\t" \
"psraw $f8, $f8, $f18 \n\t" \
"packsswh $f12, $f12, $f12 \n\t" /* A3+B3 a3+b3 */\
"swc1 $f12, 48+" #dst " \n\t" \
"packsswh $f8, $f8, $f8 \n\t" /* A3-B3 a3-b3 */\
"packsswh $f10, $f10, $f10 \n\t" /* A2-B2 a2-b2 */\
"swc1 $f8, 64+" #dst " \n\t" \
"swc1 $f10, 80+" #dst " \n\t"
//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)
"b 9f \n\t"
"# .p2align 4 \n\t"
"7: \n\t"
#undef IDCT
#define IDCT(src0, src4, src1, src5, dst, shift) \
"ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
"ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
"li $10, " #shift " \n\t" \
"pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"mtc1 $10, $f18 \n\t" \
"ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
"pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"psraw $f8, $f8, $f18 \n\t" \
"psraw $f0, $f0, $f18 \n\t" \
"ldc1 $f4, 8+" #src0 " \n\t" /* R4 R0 r4 r0 */\
"ldc1 $f2, 16(%2) \n\t" /* C4 C4 C4 C4 */\
"pmaddhw $f2, $f2, $f4 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
"ldc1 $f14, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
"pmaddhw $f4, $f4, $f14 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
"ldc1 $f14, 32(%2) \n\t" /* C6 C2 C6 C2 */\
"psraw $f2, $f2, $f18 \n\t" \
"packsswh $f8, $f8, $f2 \n\t" /* A0 a0 */\
"sdc1 $f8, " #dst " \n\t" \
"psraw $f4, $f4, $f18 \n\t" \
"packsswh $f0, $f0, $f4 \n\t" /* A1 a1 */\
"sdc1 $f0, 16+" #dst " \n\t" \
"sdc1 $f0, 96+" #dst " \n\t" \
"sdc1 $f8, 112+" #dst " \n\t" \
"sdc1 $f0, 32+" #dst " \n\t" \
"sdc1 $f8, 48+" #dst " \n\t" \
"sdc1 $f8, 64+" #dst " \n\t" \
"sdc1 $f0, 80+" #dst " \n\t"
//IDCT( src0, src4, src1, src5, dst, shift)
IDCT( 0(%1), 64(%1), 32(%1), 96(%1), 0(%0), 20)
IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
"9: \n\t"
::"r"(block),"r"(temp),"r"(coeffs),"m"(ff_wm1010),"m"(ff_d40000)
: "$10","$11"
);
}
|
