FFmpeg: libavcodec/sparc/simple_idct

00001 /*
00002  * SPARC VIS optimized inverse DCT
00003  * Copyright (c) 2007 Denes Balatoni < dbalatoni XatX interware XdotX hu >
00004  *
00005  * I did consult the following fine web page about dct
00006  * http://www.geocities.com/ssavekar/dct.htm
00007  *
00008  * This file is part of FFmpeg.
00009  *
00010  * FFmpeg is free software; you can redistribute it and/or
00011  * modify it under the terms of the GNU Lesser General Public
00012  * License as published by the Free Software Foundation; either
00013  * version 2.1 of the License, or (at your option) any later version.
00014  *
00015  * FFmpeg is distributed in the hope that it will be useful,
00016  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018  * Lesser General Public License for more details.
00019  *
00020  * You should have received a copy of the GNU Lesser General Public
00021  * License along with FFmpeg; if not, write to the Free Software
00022  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00023  */
00024 
00025 #include <stdint.h>
00026 
00027 #include "libavcodec/dsputil.h"
00028 #include "dsputil_vis.h"
00029 #include "libavutil/mem.h"
00030 
00031 static const DECLARE_ALIGNED(8, int16_t, coeffs)[28] = {
00032     - 1259,- 1259,- 1259,- 1259,
00033     - 4989,- 4989,- 4989,- 4989,
00034     -11045,-11045,-11045,-11045,
00035     -19195,-19195,-19195,-19195,
00036     -29126,-29126,-29126,-29126,
00037      25080, 25080, 25080, 25080,
00038      12785, 12785, 12785, 12785
00039 };
00040 static const DECLARE_ALIGNED(8, uint16_t, scale)[4] = {
00041     65536>>6, 65536>>6, 65536>>6, 65536>>6
00042 };
00043 static const DECLARE_ALIGNED(8, uint16_t, rounder)[4] = {
00044     1<<5, 1<<5, 1<<5, 1<<5
00045 };
00046 static const DECLARE_ALIGNED(8, uint16_t, expand)[4] = {
00047     1<<14, 1<<14, 1<<14, 1<<14
00048 };
00049 
00050 #define INIT_IDCT \
00051         "ldd [%1], %%f32         \n\t"\
00052         "ldd [%1+8], %%f34       \n\t"\
00053         "ldd [%1+16], %%f36      \n\t"\
00054         "ldd [%1+24], %%f38      \n\t"\
00055         "ldd [%1+32], %%f40      \n\t"\
00056         "ldd [%1+40], %%f42      \n\t"\
00057         "ldd [%1+48], %%f44      \n\t"\
00058         "ldd [%0], %%f46         \n\t"\
00059         "fzero %%f62             \n\t"\
00060 
00061 #define LOADSCALE(in) \
00062         "ldd [" in "], %%f0          \n\t"\
00063         "ldd [" in "+16], %%f2       \n\t"\
00064         "ldd [" in "+32], %%f4       \n\t"\
00065         "ldd [" in "+48], %%f6       \n\t"\
00066         "ldd [" in "+64], %%f8       \n\t"\
00067         "ldd [" in "+80], %%f10      \n\t"\
00068         "ldd [" in "+96], %%f12      \n\t"\
00069         "ldd [" in "+112], %%f14     \n\t"\
00070         "fpadd16 %%f0, %%f0, %%f0    \n\t"\
00071         "fpadd16 %%f2, %%f2, %%f2    \n\t"\
00072         "fpadd16 %%f4, %%f4, %%f4    \n\t"\
00073         "fpadd16 %%f6, %%f6, %%f6    \n\t"\
00074         "fpadd16 %%f8, %%f8, %%f8    \n\t"\
00075         "fpadd16 %%f10, %%f10, %%f10 \n\t"\
00076         "fpadd16 %%f12, %%f12, %%f12 \n\t"\
00077         "fpadd16 %%f14, %%f14, %%f14 \n\t"\
00078 \
00079         "fpadd16 %%f0, %%f0, %%f0    \n\t"\
00080         "fpadd16 %%f2, %%f2, %%f2    \n\t"\
00081         "fpadd16 %%f4, %%f4, %%f4    \n\t"\
00082         "fpadd16 %%f6, %%f6, %%f6    \n\t"\
00083         "fpadd16 %%f8, %%f8, %%f8    \n\t"\
00084         "fpadd16 %%f10, %%f10, %%f10 \n\t"\
00085         "fpadd16 %%f12, %%f12, %%f12 \n\t"\
00086         "fpadd16 %%f14, %%f14, %%f14 \n\t"\
00087 \
00088         "fpadd16 %%f0, %%f0, %%f0    \n\t"\
00089         "fpadd16 %%f2, %%f2, %%f2    \n\t"\
00090         "fpadd16 %%f4, %%f4, %%f4    \n\t"\
00091         "fpadd16 %%f6, %%f6, %%f6    \n\t"\
00092         "fpadd16 %%f8, %%f8, %%f8    \n\t"\
00093         "fpadd16 %%f10, %%f10, %%f10 \n\t"\
00094         "fpadd16 %%f12, %%f12, %%f12 \n\t"\
00095         "fpadd16 %%f14, %%f14, %%f14 \n\t"\
00096 \
00097         "fpadd16 %%f0, %%f0, %%f0    \n\t"\
00098         "fpadd16 %%f2, %%f2, %%f2    \n\t"\
00099         "fpadd16 %%f4, %%f4, %%f4    \n\t"\
00100         "fpadd16 %%f6, %%f6, %%f6    \n\t"\
00101         "fpadd16 %%f8, %%f8, %%f8    \n\t"\
00102         "fpadd16 %%f10, %%f10, %%f10 \n\t"\
00103         "fpadd16 %%f12, %%f12, %%f12 \n\t"\
00104         "fpadd16 %%f14, %%f14, %%f14 \n\t"\
00105 
00106 #define LOAD(in) \
00107         "ldd [" in "], %%f16         \n\t"\
00108         "ldd [" in "+8], %%f18       \n\t"\
00109         "ldd [" in "+16], %%f20      \n\t"\
00110         "ldd [" in "+24], %%f22      \n\t"\
00111         "ldd [" in "+32], %%f24      \n\t"\
00112         "ldd [" in "+40], %%f26      \n\t"\
00113         "ldd [" in "+48], %%f28      \n\t"\
00114         "ldd [" in "+56], %%f30      \n\t"\
00115 
00116 #define TRANSPOSE \
00117         "fpmerge %%f16, %%f24, %%f0  \n\t"\
00118         "fpmerge %%f20, %%f28, %%f2  \n\t"\
00119         "fpmerge %%f17, %%f25, %%f4  \n\t"\
00120         "fpmerge %%f21, %%f29, %%f6  \n\t"\
00121         "fpmerge %%f18, %%f26, %%f8  \n\t"\
00122         "fpmerge %%f22, %%f30, %%f10 \n\t"\
00123         "fpmerge %%f19, %%f27, %%f12 \n\t"\
00124         "fpmerge %%f23, %%f31, %%f14 \n\t"\
00125 \
00126         "fpmerge %%f0, %%f2, %%f16   \n\t"\
00127         "fpmerge %%f1, %%f3, %%f18   \n\t"\
00128         "fpmerge %%f4, %%f6, %%f20   \n\t"\
00129         "fpmerge %%f5, %%f7, %%f22   \n\t"\
00130         "fpmerge %%f8, %%f10, %%f24  \n\t"\
00131         "fpmerge %%f9, %%f11, %%f26  \n\t"\
00132         "fpmerge %%f12, %%f14, %%f28 \n\t"\
00133         "fpmerge %%f13, %%f15, %%f30 \n\t"\
00134 \
00135         "fpmerge %%f16, %%f17, %%f0  \n\t"\
00136         "fpmerge %%f18, %%f19, %%f2  \n\t"\
00137         "fpmerge %%f20, %%f21, %%f4  \n\t"\
00138         "fpmerge %%f22, %%f23, %%f6  \n\t"\
00139         "fpmerge %%f24, %%f25, %%f8  \n\t"\
00140         "fpmerge %%f26, %%f27, %%f10 \n\t"\
00141         "fpmerge %%f28, %%f29, %%f12 \n\t"\
00142         "fpmerge %%f30, %%f31, %%f14 \n\t"\
00143 
00144 #define IDCT4ROWS \
00145     /* 1. column */\
00146         "fmul8ulx16 %%f0, %%f38, %%f28 \n\t"\
00147         "for %%f4, %%f6, %%f60         \n\t"\
00148         "fmul8ulx16 %%f2, %%f32, %%f18 \n\t"\
00149         "fmul8ulx16 %%f2, %%f36, %%f22 \n\t"\
00150         "fmul8ulx16 %%f2, %%f40, %%f26 \n\t"\
00151         "fmul8ulx16 %%f2, %%f44, %%f30 \n\t"\
00152 \
00153         ADDROUNDER\
00154 \
00155         "fmul8sux16 %%f0, %%f38, %%f48 \n\t"\
00156         "fcmpd %%fcc0, %%f62, %%f60    \n\t"\
00157         "for %%f8, %%f10, %%f60        \n\t"\
00158         "fmul8sux16 %%f2, %%f32, %%f50 \n\t"\
00159         "fmul8sux16 %%f2, %%f36, %%f52 \n\t"\
00160         "fmul8sux16 %%f2, %%f40, %%f54 \n\t"\
00161         "fmul8sux16 %%f2, %%f44, %%f56 \n\t"\
00162 \
00163         "fpadd16 %%f48, %%f28, %%f28 \n\t"\
00164         "fcmpd %%fcc1, %%f62, %%f60  \n\t"\
00165         "for %%f12, %%f14, %%f60     \n\t"\
00166         "fpadd16 %%f50, %%f18, %%f18 \n\t"\
00167         "fpadd16 %%f52, %%f22, %%f22 \n\t"\
00168         "fpadd16 %%f54, %%f26, %%f26 \n\t"\
00169         "fpadd16 %%f56, %%f30, %%f30 \n\t"\
00170 \
00171         "fpadd16 %%f28, %%f0, %%f16  \n\t"\
00172         "fcmpd %%fcc2, %%f62, %%f60  \n\t"\
00173         "fpadd16 %%f28, %%f0, %%f20  \n\t"\
00174         "fpadd16 %%f28, %%f0, %%f24  \n\t"\
00175         "fpadd16 %%f28, %%f0, %%f28  \n\t"\
00176         "fpadd16 %%f18, %%f2, %%f18  \n\t"\
00177         "fpadd16 %%f22, %%f2, %%f22  \n\t"\
00178     /* 2. column */\
00179         "fbe %%fcc0, 3f                \n\t"\
00180         "fpadd16 %%f26, %%f2, %%f26    \n\t"\
00181         "fmul8ulx16 %%f4, %%f34, %%f48 \n\t"\
00182         "fmul8ulx16 %%f4, %%f42, %%f50 \n\t"\
00183         "fmul8ulx16 %%f6, %%f36, %%f52 \n\t"\
00184         "fmul8ulx16 %%f6, %%f44, %%f54 \n\t"\
00185         "fmul8ulx16 %%f6, %%f32, %%f56 \n\t"\
00186         "fmul8ulx16 %%f6, %%f40, %%f58 \n\t"\
00187 \
00188         "fpadd16 %%f16, %%f48, %%f16 \n\t"\
00189         "fpadd16 %%f20, %%f50, %%f20 \n\t"\
00190         "fpsub16 %%f24, %%f50, %%f24 \n\t"\
00191         "fpsub16 %%f28, %%f48, %%f28 \n\t"\
00192         "fpadd16 %%f18, %%f52, %%f18 \n\t"\
00193         "fpsub16 %%f22, %%f54, %%f22 \n\t"\
00194         "fpsub16 %%f26, %%f56, %%f26 \n\t"\
00195         "fpsub16 %%f30, %%f58, %%f30 \n\t"\
00196 \
00197         "fmul8sux16 %%f4, %%f34, %%f48 \n\t"\
00198         "fmul8sux16 %%f4, %%f42, %%f50 \n\t"\
00199         "fmul8sux16 %%f6, %%f36, %%f52 \n\t"\
00200         "fmul8sux16 %%f6, %%f44, %%f54 \n\t"\
00201         "fmul8sux16 %%f6, %%f32, %%f56 \n\t"\
00202         "fmul8sux16 %%f6, %%f40, %%f58 \n\t"\
00203 \
00204         "fpadd16 %%f16, %%f48, %%f16 \n\t"\
00205         "fpadd16 %%f20, %%f50, %%f20 \n\t"\
00206         "fpsub16 %%f24, %%f50, %%f24 \n\t"\
00207         "fpsub16 %%f28, %%f48, %%f28 \n\t"\
00208         "fpadd16 %%f18, %%f52, %%f18 \n\t"\
00209         "fpsub16 %%f22, %%f54, %%f22 \n\t"\
00210         "fpsub16 %%f26, %%f56, %%f26 \n\t"\
00211         "fpsub16 %%f30, %%f58, %%f30 \n\t"\
00212 \
00213         "fpadd16 %%f16, %%f4, %%f16  \n\t"\
00214         "fpsub16 %%f28, %%f4, %%f28  \n\t"\
00215         "fpadd16 %%f18, %%f6, %%f18  \n\t"\
00216         "fpsub16 %%f26, %%f6, %%f26  \n\t"\
00217     /* 3. column */\
00218         "3:                             \n\t"\
00219         "fbe %%fcc1, 4f                 \n\t"\
00220         "fpsub16 %%f30, %%f6, %%f30     \n\t"\
00221         "fmul8ulx16 %%f8, %%f38, %%f48  \n\t"\
00222         "fmul8ulx16 %%f10, %%f40, %%f50 \n\t"\
00223         "fmul8ulx16 %%f10, %%f32, %%f52 \n\t"\
00224         "fmul8ulx16 %%f10, %%f44, %%f54 \n\t"\
00225         "fmul8ulx16 %%f10, %%f36, %%f56 \n\t"\
00226 \
00227         "fpadd16 %%f16, %%f48, %%f16 \n\t"\
00228         "fpsub16 %%f20, %%f48, %%f20 \n\t"\
00229         "fpsub16 %%f24, %%f48, %%f24 \n\t"\
00230         "fpadd16 %%f28, %%f48, %%f28 \n\t"\
00231         "fpadd16 %%f18, %%f50, %%f18 \n\t"\
00232         "fpsub16 %%f22, %%f52, %%f22 \n\t"\
00233         "fpadd16 %%f26, %%f54, %%f26 \n\t"\
00234         "fpadd16 %%f30, %%f56, %%f30 \n\t"\
00235 \
00236         "fmul8sux16 %%f8, %%f38, %%f48 \n\t"\
00237         "fmul8sux16 %%f10, %%f40, %%f50 \n\t"\
00238         "fmul8sux16 %%f10, %%f32, %%f52 \n\t"\
00239         "fmul8sux16 %%f10, %%f44, %%f54 \n\t"\
00240         "fmul8sux16 %%f10, %%f36, %%f56 \n\t"\
00241 \
00242         "fpadd16 %%f16, %%f48, %%f16 \n\t"\
00243         "fpsub16 %%f20, %%f48, %%f20 \n\t"\
00244         "fpsub16 %%f24, %%f48, %%f24 \n\t"\
00245         "fpadd16 %%f28, %%f48, %%f28 \n\t"\
00246         "fpadd16 %%f18, %%f50, %%f18 \n\t"\
00247         "fpsub16 %%f22, %%f52, %%f22 \n\t"\
00248         "fpadd16 %%f26, %%f54, %%f26 \n\t"\
00249         "fpadd16 %%f30, %%f56, %%f30 \n\t"\
00250 \
00251         "fpadd16 %%f16, %%f8, %%f16  \n\t"\
00252         "fpsub16 %%f20, %%f8, %%f20  \n\t"\
00253         "fpsub16 %%f24, %%f8, %%f24  \n\t"\
00254         "fpadd16 %%f28, %%f8, %%f28  \n\t"\
00255         "fpadd16 %%f18, %%f10, %%f18 \n\t"\
00256         "fpsub16 %%f22, %%f10, %%f22 \n\t"\
00257     /* 4. column */\
00258         "4:                             \n\t"\
00259         "fbe %%fcc2, 5f                 \n\t"\
00260         "fpadd16 %%f30, %%f10, %%f30    \n\t"\
00261         "fmul8ulx16 %%f12, %%f42, %%f48 \n\t"\
00262         "fmul8ulx16 %%f12, %%f34, %%f50 \n\t"\
00263         "fmul8ulx16 %%f14, %%f44, %%f52 \n\t"\
00264         "fmul8ulx16 %%f14, %%f40, %%f54 \n\t"\
00265         "fmul8ulx16 %%f14, %%f36, %%f56 \n\t"\
00266         "fmul8ulx16 %%f14, %%f32, %%f58 \n\t"\
00267 \
00268         "fpadd16 %%f16, %%f48, %%f16 \n\t"\
00269         "fpsub16 %%f20, %%f50, %%f20 \n\t"\
00270         "fpadd16 %%f24, %%f50, %%f24 \n\t"\
00271         "fpsub16 %%f28, %%f48, %%f28 \n\t"\
00272         "fpadd16 %%f18, %%f52, %%f18 \n\t"\
00273         "fpsub16 %%f22, %%f54, %%f22 \n\t"\
00274         "fpadd16 %%f26, %%f56, %%f26 \n\t"\
00275         "fpsub16 %%f30, %%f58, %%f30 \n\t"\
00276 \
00277         "fmul8sux16 %%f12, %%f42, %%f48 \n\t"\
00278         "fmul8sux16 %%f12, %%f34, %%f50 \n\t"\
00279         "fmul8sux16 %%f14, %%f44, %%f52 \n\t"\
00280         "fmul8sux16 %%f14, %%f40, %%f54 \n\t"\
00281         "fmul8sux16 %%f14, %%f36, %%f56 \n\t"\
00282         "fmul8sux16 %%f14, %%f32, %%f58 \n\t"\
00283 \
00284         "fpadd16 %%f16, %%f48, %%f16 \n\t"\
00285         "fpsub16 %%f20, %%f50, %%f20 \n\t"\
00286         "fpadd16 %%f24, %%f50, %%f24 \n\t"\
00287         "fpsub16 %%f28, %%f48, %%f28 \n\t"\
00288         "fpadd16 %%f18, %%f52, %%f18 \n\t"\
00289         "fpsub16 %%f22, %%f54, %%f22 \n\t"\
00290         "fpadd16 %%f26, %%f56, %%f26 \n\t"\
00291         "fpsub16 %%f30, %%f58, %%f30 \n\t"\
00292 \
00293         "fpsub16 %%f20, %%f12, %%f20 \n\t"\
00294         "fpadd16 %%f24, %%f12, %%f24 \n\t"\
00295         "fpsub16 %%f22, %%f14, %%f22 \n\t"\
00296         "fpadd16 %%f26, %%f14, %%f26 \n\t"\
00297         "fpsub16 %%f30, %%f14, %%f30 \n\t"\
00298     /* final butterfly */\
00299         "5:                          \n\t"\
00300         "fpsub16 %%f16, %%f18, %%f48 \n\t"\
00301         "fpsub16 %%f20, %%f22, %%f50 \n\t"\
00302         "fpsub16 %%f24, %%f26, %%f52 \n\t"\
00303         "fpsub16 %%f28, %%f30, %%f54 \n\t"\
00304         "fpadd16 %%f16, %%f18, %%f16 \n\t"\
00305         "fpadd16 %%f20, %%f22, %%f20 \n\t"\
00306         "fpadd16 %%f24, %%f26, %%f24 \n\t"\
00307         "fpadd16 %%f28, %%f30, %%f28 \n\t"\
00308 
00309 #define STOREROWS(out) \
00310         "std %%f48, [" out "+112]          \n\t"\
00311         "std %%f50, [" out "+96]           \n\t"\
00312         "std %%f52, [" out "+80]           \n\t"\
00313         "std %%f54, [" out "+64]           \n\t"\
00314         "std %%f16, [" out "]              \n\t"\
00315         "std %%f20, [" out "+16]           \n\t"\
00316         "std %%f24, [" out "+32]           \n\t"\
00317         "std %%f28, [" out "+48]           \n\t"\
00318 
00319 #define SCALEROWS \
00320         "fmul8sux16 %%f46, %%f48, %%f48 \n\t"\
00321         "fmul8sux16 %%f46, %%f50, %%f50 \n\t"\
00322         "fmul8sux16 %%f46, %%f52, %%f52 \n\t"\
00323         "fmul8sux16 %%f46, %%f54, %%f54 \n\t"\
00324         "fmul8sux16 %%f46, %%f16, %%f16 \n\t"\
00325         "fmul8sux16 %%f46, %%f20, %%f20 \n\t"\
00326         "fmul8sux16 %%f46, %%f24, %%f24 \n\t"\
00327         "fmul8sux16 %%f46, %%f28, %%f28 \n\t"\
00328 
00329 #define PUTPIXELSCLAMPED(dest) \
00330         "fpack16 %%f48, %%f14 \n\t"\
00331         "fpack16 %%f50, %%f12 \n\t"\
00332         "fpack16 %%f16, %%f0  \n\t"\
00333         "fpack16 %%f20, %%f2  \n\t"\
00334         "fpack16 %%f24, %%f4  \n\t"\
00335         "fpack16 %%f28, %%f6  \n\t"\
00336         "fpack16 %%f54, %%f8  \n\t"\
00337         "fpack16 %%f52, %%f10 \n\t"\
00338         "st %%f0, [%3+" dest "]   \n\t"\
00339         "st %%f2, [%5+" dest "]   \n\t"\
00340         "st %%f4, [%6+" dest "]   \n\t"\
00341         "st %%f6, [%7+" dest "]   \n\t"\
00342         "st %%f8, [%8+" dest "]   \n\t"\
00343         "st %%f10, [%9+" dest "]  \n\t"\
00344         "st %%f12, [%10+" dest "] \n\t"\
00345         "st %%f14, [%11+" dest "] \n\t"\
00346 
00347 #define ADDPIXELSCLAMPED(dest) \
00348         "ldd [%5], %%f18         \n\t"\
00349         "ld [%3+" dest"], %%f0   \n\t"\
00350         "ld [%6+" dest"], %%f2   \n\t"\
00351         "ld [%7+" dest"], %%f4   \n\t"\
00352         "ld [%8+" dest"], %%f6   \n\t"\
00353         "ld [%9+" dest"], %%f8   \n\t"\
00354         "ld [%10+" dest"], %%f10 \n\t"\
00355         "ld [%11+" dest"], %%f12 \n\t"\
00356         "ld [%12+" dest"], %%f14 \n\t"\
00357         "fmul8x16 %%f0, %%f18, %%f0   \n\t"\
00358         "fmul8x16 %%f2, %%f18, %%f2   \n\t"\
00359         "fmul8x16 %%f4, %%f18, %%f4   \n\t"\
00360         "fmul8x16 %%f6, %%f18, %%f6   \n\t"\
00361         "fmul8x16 %%f8, %%f18, %%f8   \n\t"\
00362         "fmul8x16 %%f10, %%f18, %%f10 \n\t"\
00363         "fmul8x16 %%f12, %%f18, %%f12 \n\t"\
00364         "fmul8x16 %%f14, %%f18, %%f14 \n\t"\
00365         "fpadd16 %%f0, %%f16, %%f0    \n\t"\
00366         "fpadd16 %%f2, %%f20, %%f2    \n\t"\
00367         "fpadd16 %%f4, %%f24, %%f4    \n\t"\
00368         "fpadd16 %%f6, %%f28, %%f6    \n\t"\
00369         "fpadd16 %%f8, %%f54, %%f8    \n\t"\
00370         "fpadd16 %%f10, %%f52, %%f10  \n\t"\
00371         "fpadd16 %%f12, %%f50, %%f12  \n\t"\
00372         "fpadd16 %%f14, %%f48, %%f14  \n\t"\
00373         "fpack16 %%f0, %%f0   \n\t"\
00374         "fpack16 %%f2, %%f2   \n\t"\
00375         "fpack16 %%f4, %%f4   \n\t"\
00376         "fpack16 %%f6, %%f6   \n\t"\
00377         "fpack16 %%f8, %%f8   \n\t"\
00378         "fpack16 %%f10, %%f10 \n\t"\
00379         "fpack16 %%f12, %%f12 \n\t"\
00380         "fpack16 %%f14, %%f14 \n\t"\
00381         "st %%f0, [%3+" dest "]   \n\t"\
00382         "st %%f2, [%6+" dest "]   \n\t"\
00383         "st %%f4, [%7+" dest "]   \n\t"\
00384         "st %%f6, [%8+" dest "]   \n\t"\
00385         "st %%f8, [%9+" dest "]   \n\t"\
00386         "st %%f10, [%10+" dest "] \n\t"\
00387         "st %%f12, [%11+" dest "] \n\t"\
00388         "st %%f14, [%12+" dest "] \n\t"\
00389 
00390 
00391 void ff_simple_idct_vis(DCTELEM *data) {
00392     int out1, out2, out3, out4;
00393     DECLARE_ALIGNED(8, int16_t, temp)[8*8];
00394 
00395     __asm__ volatile(
00396         INIT_IDCT
00397 
00398 #define ADDROUNDER
00399 
00400         // shift right 16-4=12
00401         LOADSCALE("%2+8")
00402         IDCT4ROWS
00403         STOREROWS("%3+8")
00404         LOADSCALE("%2+0")
00405         IDCT4ROWS
00406         "std %%f48, [%3+112] \n\t"
00407         "std %%f50, [%3+96]  \n\t"
00408         "std %%f52, [%3+80]  \n\t"
00409         "std %%f54, [%3+64]  \n\t"
00410 
00411         // shift right 16+4
00412         "ldd [%3+8], %%f18  \n\t"
00413         "ldd [%3+24], %%f22 \n\t"
00414         "ldd [%3+40], %%f26 \n\t"
00415         "ldd [%3+56], %%f30 \n\t"
00416         TRANSPOSE
00417         IDCT4ROWS
00418         SCALEROWS
00419         STOREROWS("%2+0")
00420         LOAD("%3+64")
00421         TRANSPOSE
00422         IDCT4ROWS
00423         SCALEROWS
00424         STOREROWS("%2+8")
00425 
00426         : "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4)
00427         : "0" (scale), "1" (coeffs), "2" (data), "3" (temp)
00428     );
00429 }
00430 
00431 void ff_simple_idct_put_vis(uint8_t *dest, int line_size, DCTELEM *data) {
00432     int out1, out2, out3, out4, out5;
00433     int r1, r2, r3, r4, r5, r6, r7;
00434 
00435     __asm__ volatile(
00436         "wr %%g0, 0x8, %%gsr \n\t"
00437 
00438         INIT_IDCT
00439 
00440         "add %3, %4, %5   \n\t"
00441         "add %5, %4, %6   \n\t"
00442         "add %6, %4, %7   \n\t"
00443         "add %7, %4, %8   \n\t"
00444         "add %8, %4, %9   \n\t"
00445         "add %9, %4, %10  \n\t"
00446         "add %10, %4, %11 \n\t"
00447 
00448         // shift right 16-4=12
00449         LOADSCALE("%2+8")
00450         IDCT4ROWS
00451         STOREROWS("%2+8")
00452         LOADSCALE("%2+0")
00453         IDCT4ROWS
00454         "std %%f48, [%2+112] \n\t"
00455         "std %%f50, [%2+96]  \n\t"
00456         "std %%f52, [%2+80]  \n\t"
00457         "std %%f54, [%2+64]  \n\t"
00458 
00459 #undef ADDROUNDER
00460 #define ADDROUNDER "fpadd16 %%f28, %%f46, %%f28 \n\t"
00461 
00462         // shift right 16+4
00463         "ldd [%2+8], %%f18  \n\t"
00464         "ldd [%2+24], %%f22 \n\t"
00465         "ldd [%2+40], %%f26 \n\t"
00466         "ldd [%2+56], %%f30 \n\t"
00467         TRANSPOSE
00468         IDCT4ROWS
00469         PUTPIXELSCLAMPED("0")
00470         LOAD("%2+64")
00471         TRANSPOSE
00472         IDCT4ROWS
00473         PUTPIXELSCLAMPED("4")
00474 
00475         : "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" (out5),
00476           "=r" (r1), "=r" (r2), "=r" (r3), "=r" (r4), "=r" (r5), "=r" (r6), "=r" (r7)
00477         : "0" (rounder), "1" (coeffs), "2" (data), "3" (dest), "4" (line_size)
00478     );
00479 }
00480 
00481 void ff_simple_idct_add_vis(uint8_t *dest, int line_size, DCTELEM *data) {
00482     int out1, out2, out3, out4, out5, out6;
00483     int r1, r2, r3, r4, r5, r6, r7;
00484 
00485     __asm__ volatile(
00486         "wr %%g0, 0x8, %%gsr \n\t"
00487 
00488         INIT_IDCT
00489 
00490         "add %3, %4, %6   \n\t"
00491         "add %6, %4, %7   \n\t"
00492         "add %7, %4, %8   \n\t"
00493         "add %8, %4, %9   \n\t"
00494         "add %9, %4, %10  \n\t"
00495         "add %10, %4, %11 \n\t"
00496         "add %11, %4, %12 \n\t"
00497 
00498 #undef ADDROUNDER
00499 #define ADDROUNDER
00500 
00501         // shift right 16-4=12
00502         LOADSCALE("%2+8")
00503         IDCT4ROWS
00504         STOREROWS("%2+8")
00505         LOADSCALE("%2+0")
00506         IDCT4ROWS
00507         "std %%f48, [%2+112] \n\t"
00508         "std %%f50, [%2+96]  \n\t"
00509         "std %%f52, [%2+80]  \n\t"
00510         "std %%f54, [%2+64]  \n\t"
00511 
00512 #undef ADDROUNDER
00513 #define ADDROUNDER "fpadd16 %%f28, %%f46, %%f28 \n\t"
00514 
00515         // shift right 16+4
00516         "ldd [%2+8], %%f18  \n\t"
00517         "ldd [%2+24], %%f22 \n\t"
00518         "ldd [%2+40], %%f26 \n\t"
00519         "ldd [%2+56], %%f30 \n\t"
00520         TRANSPOSE
00521         IDCT4ROWS
00522         ADDPIXELSCLAMPED("0")
00523         LOAD("%2+64")
00524         TRANSPOSE
00525         IDCT4ROWS
00526         ADDPIXELSCLAMPED("4")
00527 
00528         : "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" (out5), "=r" (out6),
00529           "=r" (r1), "=r" (r2), "=r" (r3), "=r" (r4), "=r" (r5), "=r" (r6), "=r" (r7)
00530         : "0" (rounder), "1" (coeffs), "2" (data), "3" (dest), "4" (line_size), "5" (expand)
00531     );
00532 }
libavcodec/sparc/simple_idct_vis.c
