2 * Loongson SIMD optimized simple idct
4 * Copyright (c) 2015 Loongson Technology Corporation Limited
5 * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
6 * Zhang Shuangshuang <zhangshuangshuang@ict.ac.cn>
8 * This file is part of FFmpeg.
10 * FFmpeg is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * FFmpeg is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with FFmpeg; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 #include "idctdsp_mips.h"
26 #include "constants.h"
28 #define C0 23170 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
29 #define C1 22725 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
30 #define C2 21407 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
31 #define C3 19266 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
32 #define C4 16383 //cos(i*M_PI/16)*sqrt(2)*(1<<14) - 0.5
33 #define C5 12873 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
34 #define C6 8867 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
35 #define C7 4520 //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
40 DECLARE_ALIGNED(8, static const int16_t, coeffs)[]= {
41 1<<(ROW_SHIFT-1), 0, 1<<(ROW_SHIFT-1), 0,
42 1<<(ROW_SHIFT-1), 1, 1<<(ROW_SHIFT-1), 0,
57 static void simple_idct_mmi(int16_t *block)
59 DECLARE_ALIGNED(8, int64_t, align_tmp)[16];
60 int16_t * const temp= (int16_t*)align_tmp;
64 #define DC_COND_IDCT(src0, src4, src1, src5, dst, rounder, rarg, shift) \
65 "ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
66 "ldc1 $f2, " #src4 " \n\t" /* R6 R2 r6 r2 */\
67 "ldc1 $f4, " #src1 " \n\t" /* R3 R1 r3 r1 */\
68 "ldc1 $f6, " #src5 " \n\t" /* R7 R5 r7 r5 */\
70 "and $f8, $f8, $f0 \n\t" \
71 "or $f8, $f8, $f2 \n\t" \
72 "or $f8, $f8, $f4 \n\t" \
73 "or $f8, $f8, $f6 \n\t" \
74 "packsswh $f8, $f8, $f8 \n\t" \
75 "li $11, " #shift " \n\t" \
76 "mfc1 $10, $f8 \n\t" \
77 "mtc1 $11, $f18 \n\t" \
79 "ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
80 "pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
81 "ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
82 "pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
83 "ldc1 $f10, 32(%2) \n\t" /* C6 C2 C6 C2 */\
84 "pmaddhw $f10, $f10, $f2 \n\t" /* C6R6+C2R2 C6r6+C2r2 */\
85 "ldc1 $f12, 40(%2) \n\t" /* -C2 C6 -C2 C6 */\
86 "pmaddhw $f2, $f2, $f12 \n\t" /* -C2R6+C6R2 -C2r6+C6r2 */\
87 "ldc1 $f14, 48(%2) \n\t" /* C3 C1 C3 C1 */\
88 "ldc1 $f16, " #rarg " \n\t" \
89 "pmaddhw $f14, $f14, $f4 \n\t" /* C3R3+C1R1 C3r3+C1r1 */\
90 #rounder " $f8, $f8, $f16 \n\t" \
91 "mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
92 "paddw $f8, $f8, $f10 \n\t" /* A0 a0 */\
93 "psubw $f12, $f12, $f10 \n\t" /* A3 a3 */\
94 "ldc1 $f10, 56(%2) \n\t" /* C7 C5 C7 C5 */\
95 "ldc1 $f16, " #rarg " \n\t" \
96 "pmaddhw $f10, $f10, $f6 \n\t" /* C7R7+C5R5 C7r7+C5r5 */\
97 #rounder " $f0, $f0, $f16 \n\t" \
98 "paddw $f2, $f2, $f0 \n\t" /* A1 a1 */\
99 "ldc1 $f16, 64(%2) \n\t" \
100 "paddw $f0, $f0, $f0 \n\t" \
101 "psubw $f0, $f0, $f2 \n\t" /* A2 a2 */\
102 "pmaddhw $f4, $f4, $f16 \n\t" /* -C7R3+C3R1 -C7r3+C3r1 */\
103 "paddw $f14, $f14, $f10 \n\t" /* B0 b0 */\
104 "ldc1 $f10, 72(%2) \n\t" /* -C5 -C1 -C5 -C1 */\
105 "pmaddhw $f10, $f10, $f6 \n\t" /* -C5R7-C1R5 -C5r7-C1r5 */\
106 "paddw $f14, $f14, $f8 \n\t" /* A0+B0 a0+b0 */\
107 "paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
108 "psubw $f8, $f8, $f14 \n\t" /* A0-B0 a0-b0 */\
109 "paddw $f10, $f10, $f4 \n\t" /* B1 b1 */\
110 "psraw $f14, $f14, $f18 \n\t" \
111 "psraw $f8, $f8, $f18 \n\t" \
112 "mov.d $f4, $f2 \n\t" /* A1 a1 */\
113 "paddw $f2, $f2, $f10 \n\t" /* A1+B1 a1+b1 */\
114 "psubw $f4, $f4, $f10 \n\t" /* A1-B1 a1-b1 */\
115 "psraw $f2, $f2, $f18 \n\t" \
116 "psraw $f4, $f4, $f18 \n\t" \
117 "packsswh $f14, $f14, $f2 \n\t" /* A1+B1 a1+b1 A0+B0 a0+b0 */\
118 "packsswh $f4, $f4, $f8 \n\t" /* A0-B0 a0-b0 A1-B1 a1-b1 */\
119 "sdc1 $f14, " #dst " \n\t" \
120 "ldc1 $f2, " #src1 " \n\t" /* R3 R1 r3 r1 */\
121 "ldc1 $f8, 80(%2) \n\t" /* -C1 C5 -C1 C5 */\
122 "sdc1 $f4, 24+" #dst " \n\t" \
123 "pmaddhw $f8, $f8, $f2 \n\t" /* -C1R3+C5R1 -C1r3+C5r1 */\
124 "ldc1 $f16, 96(%2) \n\t" \
125 "ldc1 $f14, 88(%2) \n\t" /* C3 C7 C3 C7 */\
126 "pmaddhw $f2, $f2, $f16 \n\t" /* -C5R3+C7R1 -C5r3+C7r1 */\
127 "pmaddhw $f14, $f14, $f6 \n\t" /* C3R7+C7R5 C3r7+C7r5 */\
128 "ldc1 $f16, 104(%2) \n\t" \
129 "mov.d $f4, $f0 \n\t" /* A2 a2 */\
130 "pmaddhw $f6, $f6, $f16 \n\t" /* -C1R7+C3R5 -C1r7+C3r5 */\
131 "paddw $f8, $f8, $f14 \n\t" /* B2 b2 */\
132 "paddw $f4, $f4, $f8 \n\t" /* A2+B2 a2+b2 */\
133 "psubw $f0, $f0, $f8 \n\t" /* a2-B2 a2-b2 */\
134 "psraw $f4, $f4, $f18 \n\t" \
135 "psraw $f0, $f0, $f18 \n\t" \
136 "mov.d $f8, $f12 \n\t" /* A3 a3 */\
137 "paddw $f6, $f6, $f2 \n\t" /* B3 b3 */\
138 "paddw $f12, $f12, $f6 \n\t" /* A3+B3 a3+b3 */\
139 "psubw $f8, $f8, $f6 \n\t" /* a3-B3 a3-b3 */\
140 "psraw $f12, $f12, $f18 \n\t" \
141 "packsswh $f4, $f4, $f12 \n\t" /* A3+B3 a3+b3 A2+B2 a2+b2 */\
142 "sdc1 $f4, 8+" #dst " \n\t" \
143 "psraw $f8, $f8, $f18 \n\t" \
144 "packsswh $f8, $f8, $f0 \n\t" /* A2-B2 a2-b2 A3-B3 a3-b3 */\
145 "sdc1 $f8, 16+" #dst " \n\t" \
149 "mtc1 $10, $f16 \n\t" \
150 "psllw $f0, $f0, $f16 \n\t" \
151 "ldc1 $f16, %4 \n\t" \
152 "paddw $f0, $f0, $f16 \n\t" \
154 "mtc1 $10, $f16 \n\t" \
155 "psraw $f0, $f0, $f16 \n\t" \
156 "packsswh $f0, $f0, $f0 \n\t" \
157 "sdc1 $f0, " #dst " \n\t" \
158 "sdc1 $f0, 8+" #dst " \n\t" \
159 "sdc1 $f0, 16+" #dst " \n\t" \
160 "sdc1 $f0, 24+" #dst " \n\t" \
164 #define Z_COND_IDCT(src0, src4, src1, src5, dst, rounder, rarg, shift, bt) \
165 "ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
166 "ldc1 $f2, " #src4 " \n\t" /* R6 R2 r6 r2 */\
167 "ldc1 $f4, " #src1 " \n\t" /* R3 R1 r3 r1 */\
168 "ldc1 $f6, " #src5 " \n\t" /* R7 R5 r7 r5 */\
169 "mov.d $f8, $f0 \n\t" \
170 "or $f8, $f8, $f2 \n\t" \
171 "or $f8, $f8, $f4 \n\t" \
172 "or $f8, $f8, $f6 \n\t" \
173 "packsswh $f8, $f8, $f8 \n\t" \
174 "mfc1 $10, $f8 \n\t" \
175 "beqz $10, " #bt " \n\t" \
176 "ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
177 "pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
178 "ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
179 "pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
180 "ldc1 $f10, 32(%2) \n\t" /* C6 C2 C6 C2 */\
181 "pmaddhw $f10, $f10, $f2 \n\t" /* C6R6+C2R2 C6r6+C2r2 */\
182 "ldc1 $f12, 40(%2) \n\t" /* -C2 C6 -C2 C6 */\
183 "pmaddhw $f2, $f2, $f12 \n\t" /* -C2R6+C6R2 -C2r6+C6r2 */\
184 "ldc1 $f14, 48(%2) \n\t" /* C3 C1 C3 C1 */\
185 "ldc1 $f16, " #rarg " \n\t" \
186 "pmaddhw $f14, $f14, $f4 \n\t" /* C3R3+C1R1 C3r3+C1r1 */\
187 #rounder " $f8, $f8, $f16 \n\t" \
188 "mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
189 "paddw $f8, $f8, $f10 \n\t" /* A0 a0 */\
190 "psubw $f12, $f12, $f10 \n\t" /* A3 a3 */\
191 "ldc1 $f10, 56(%2) \n\t" /* C7 C5 C7 C5 */\
192 "ldc1 $f16, " #rarg " \n\t" \
193 "pmaddhw $f10, $f10, $f6 \n\t" /* C7R7+C5R5 C7r7+C5r5 */\
194 #rounder " $f0, $f0, $f16 \n\t" \
195 "paddw $f2, $f2, $f0 \n\t" /* A1 a1 */\
196 "paddw $f0, $f0, $f0 \n\t" \
197 "ldc1 $f16, 64(%2) \n\t" \
198 "psubw $f0, $f0, $f2 \n\t" /* A2 a2 */\
199 "pmaddhw $f4, $f4, $f16 \n\t" /* -C7R3+C3R1 -C7r3+C3r1 */\
200 "paddw $f14, $f14, $f10 \n\t" /* B0 b0 */\
201 "ldc1 $f10, 72(%2) \n\t" /* -C5 -C1 -C5 -C1 */\
202 "pmaddhw $f10, $f10, $f6 \n\t" /* -C5R7-C1R5 -C5r7-C1r5 */\
203 "paddw $f14, $f14, $f8 \n\t" /* A0+B0 a0+b0 */\
204 "paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
205 "li $10, " #shift " \n\t" \
206 "psubw $f8, $f8, $f14 \n\t" /* A0-B0 a0-b0 */\
207 "mtc1 $10, $f18 \n\t" \
208 "paddw $f10, $f10, $f4 \n\t" /* B1 b1 */\
209 "psraw $f14, $f14, $f18 \n\t" \
210 "psraw $f8, $f8, $f18 \n\t" \
211 "mov.d $f4, $f2 \n\t" /* A1 a1 */\
212 "paddw $f2, $f2, $f10 \n\t" /* A1+B1 a1+b1 */\
213 "psubw $f4, $f4, $f10 \n\t" /* A1-B1 a1-b1 */\
214 "psraw $f2, $f2, $f18 \n\t" \
215 "psraw $f4, $f4, $f18 \n\t" \
216 "packsswh $f14, $f14, $f2 \n\t" /* A1+B1 a1+b1 A0+B0 a0+b0 */\
217 "packsswh $f4, $f4, $f8 \n\t" /* A0-B0 a0-b0 A1-B1 a1-b1 */\
218 "sdc1 $f14, " #dst " \n\t" \
219 "ldc1 $f2, " #src1 " \n\t" /* R3 R1 r3 r1 */\
220 "ldc1 $f8, 80(%2) \n\t" /* -C1 C5 -C1 C5 */\
221 "sdc1 $f4, 24+" #dst " \n\t" \
222 "pmaddhw $f8, $f8, $f2 \n\t" /* -C1R3+C5R1 -C1r3+C5r1 */\
223 "ldc1 $f16, 96(%2) \n\t" \
224 "ldc1 $f14, 88(%2) \n\t" /* C3 C7 C3 C7 */\
225 "pmaddhw $f2, $f2, $f16 \n\t" /* -C5R3+C7R1 -C5r3+C7r1 */\
226 "pmaddhw $f14, $f14, $f6 \n\t" /* C3R7+C7R5 C3r7+C7r5 */\
227 "ldc1 $f16, 104(%2) \n\t" \
228 "mov.d $f4, $f0 \n\t" /* A2 a2 */\
229 "pmaddhw $f6, $f6, $f16 \n\t" /* -C1R7+C3R5 -C1r7+C3r5 */\
230 "paddw $f8, $f8, $f14 \n\t" /* B2 b2 */\
231 "paddw $f4, $f4, $f8 \n\t" /* A2+B2 a2+b2 */\
232 "psubw $f0, $f0, $f8 \n\t" /* a2-B2 a2-b2 */\
233 "psraw $f4, $f4, $f18 \n\t" \
234 "psraw $f0, $f0, $f18 \n\t" \
235 "mov.d $f8, $f12 \n\t" /* A3 a3 */\
236 "paddw $f6, $f6, $f2 \n\t" /* B3 b3 */\
237 "paddw $f12, $f12, $f6 \n\t" /* A3+B3 a3+b3 */\
238 "psubw $f8, $f8, $f6 \n\t" /* a3-B3 a3-b3 */\
239 "psraw $f12, $f12, $f18 \n\t" \
240 "packsswh $f4, $f4, $f12 \n\t" /* A3+B3 a3+b3 A2+B2 a2+b2 */\
241 "sdc1 $f4, 8+" #dst " \n\t" \
242 "psraw $f8, $f8, $f18 \n\t" \
243 "packsswh $f8, $f8, $f0 \n\t" /* A2-B2 a2-b2 A3-B3 a3-b3 */\
244 "sdc1 $f8, 16+" #dst " \n\t" \
246 //IDCT( src0, src4, src1, src5, dst, rounder, shift)
247 DC_COND_IDCT(0(%0), 8(%0), 16(%0), 24(%0), 0(%1), paddw,8(%2), 11)
248 Z_COND_IDCT(32(%0), 40(%0), 48(%0), 56(%0), 32(%1), paddw,(%2), 11, 4f)
249 Z_COND_IDCT(64(%0), 72(%0), 80(%0), 88(%0), 64(%1), paddw,(%2), 11, 2f)
250 Z_COND_IDCT(96(%0),104(%0),112(%0),120(%0), 96(%1), paddw,(%2), 11, 1f)
253 #define IDCT(src0, src4, src1, src5, dst, shift) \
254 "ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
255 "ldc1 $f2, " #src4 " \n\t" /* R6 R2 r6 r2 */\
256 "ldc1 $f4, " #src1 " \n\t" /* R3 R1 r3 r1 */\
257 "ldc1 $f6, " #src5 " \n\t" /* R7 R5 r7 r5 */\
258 "ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
259 "pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
260 "ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
261 "pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
262 "ldc1 $f10, 32(%2) \n\t" /* C6 C2 C6 C2 */\
263 "pmaddhw $f10, $f10, $f2 \n\t" /* C6R6+C2R2 C6r6+C2r2 */\
264 "ldc1 $f12, 40(%2) \n\t" /* -C2 C6 -C2 C6 */\
265 "pmaddhw $f2, $f2, $f12 \n\t" /* -C2R6+C6R2 -C2r6+C6r2 */\
266 "mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
267 "ldc1 $f14, 48(%2) \n\t" /* C3 C1 C3 C1 */\
268 "pmaddhw $f14, $f14, $f4 \n\t" /* C3R3+C1R1 C3r3+C1r1 */\
269 "paddw $f8, $f8, $f10 \n\t" /* A0 a0 */\
270 "psubw $f12, $f12, $f10 \n\t" /* A3 a3 */\
271 "mov.d $f10, $f0 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
272 "paddw $f0, $f0, $f2 \n\t" /* A1 a1 */\
273 "psubw $f10, $f10, $f2 \n\t" /* A2 a2 */\
274 "ldc1 $f2, 56(%2) \n\t" /* C7 C5 C7 C5 */\
275 "ldc1 $f16, 64(%2) \n\t" \
276 "pmaddhw $f2, $f2, $f6 \n\t" /* C7R7+C5R5 C7r7+C5r5 */\
277 "pmaddhw $f4, $f4, $f16 \n\t" /* -C7R3+C3R1 -C7r3+C3r1 */\
278 "li $10, " #shift " \n\t" \
279 "paddw $f14, $f14, $f2 \n\t" /* B0 b0 */\
280 "ldc1 $f2, 72(%2) \n\t" /* -C5 -C1 -C5 -C1 */\
281 "mtc1 $10, $f18 \n\t" \
282 "pmaddhw $f2, $f2, $f6 \n\t" /* -C5R7-C1R5 -C5r7-C1r5 */\
283 "paddw $f14, $f14, $f8 \n\t" /* A0+B0 a0+b0 */\
284 "paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
285 "psubw $f8, $f8, $f14 \n\t" /* A0-B0 a0-b0 */\
286 "paddw $f2, $f2, $f4 \n\t" /* B1 b1 */\
287 "psraw $f14, $f14, $f18 \n\t" \
288 "psraw $f8, $f8, $f18 \n\t" \
289 "mov.d $f4, $f0 \n\t" /* A1 a1 */\
290 "paddw $f0, $f0, $f2 \n\t" /* A1+B1 a1+b1 */\
291 "psubw $f4, $f4, $f2 \n\t" /* A1-B1 a1-b1 */\
292 "psraw $f0, $f0, $f18 \n\t" \
293 "psraw $f4, $f4, $f18 \n\t" \
294 "packsswh $f14, $f14, $f14 \n\t" /* A0+B0 a0+b0 */\
295 "swc1 $f14, " #dst " \n\t" \
296 "packsswh $f0, $f0, $f0 \n\t" /* A1+B1 a1+b1 */\
297 "swc1 $f0, 16+" #dst " \n\t" \
298 "packsswh $f4, $f4, $f4 \n\t" /* A1-B1 a1-b1 */\
299 "swc1 $f4, 96+" #dst " \n\t" \
300 "packsswh $f8, $f8, $f8 \n\t" /* A0-B0 a0-b0 */\
301 "swc1 $f8, 112+" #dst " \n\t" \
302 "ldc1 $f0, " #src1 " \n\t" /* R3 R1 r3 r1 */\
303 "ldc1 $f8, 80(%2) \n\t" /* -C1 C5 -C1 C5 */\
304 "pmaddhw $f8, $f8, $f0 \n\t" /* -C1R3+C5R1 -C1r3+C5r1 */\
305 "ldc1 $f16, 96(%2) \n\t" \
306 "ldc1 $f14, 88(%2) \n\t" /* C3 C7 C3 C7 */\
307 "pmaddhw $f0, $f0, $f16 \n\t" /* -C5R3+C7R1 -C5r3+C7r1 */\
308 "pmaddhw $f14, $f14, $f6 \n\t" /* C3R7+C7R5 C3r7+C7r5 */\
309 "ldc1 $f16, 104(%2) \n\t" \
310 "mov.d $f4, $f10 \n\t" /* A2 a2 */\
311 "pmaddhw $f6, $f6, $f16 \n\t" /* -C1R7+C3R5 -C1r7+C3r5 */\
312 "paddw $f8, $f8, $f14 \n\t" /* B2 b2 */\
313 "paddw $f4, $f4, $f8 \n\t" /* A2+B2 a2+b2 */\
314 "psubw $f10, $f10, $f8 \n\t" /* a2-B2 a2-b2 */\
315 "psraw $f4, $f4, $f18 \n\t" \
316 "psraw $f10, $f10, $f18 \n\t" \
317 "mov.d $f8, $f12 \n\t" /* A3 a3 */\
318 "paddw $f6, $f6, $f0 \n\t" /* B3 b3 */\
319 "paddw $f12, $f12, $f6 \n\t" /* A3+B3 a3+b3 */\
320 "psubw $f8, $f8, $f6 \n\t" /* a3-B3 a3-b3 */\
321 "psraw $f12, $f12, $f18 \n\t" \
322 "psraw $f8, $f8, $f18 \n\t" \
323 "packsswh $f4, $f4, $f4 \n\t" /* A2+B2 a2+b2 */\
324 "packsswh $f12, $f12, $f12 \n\t" /* A3+B3 a3+b3 */\
325 "swc1 $f4, 32+" #dst " \n\t" \
326 "packsswh $f8, $f8, $f8 \n\t" /* A3-B3 a3-b3 */\
327 "packsswh $f10, $f10, $f10 \n\t" /* A2-B2 a2-b2 */\
328 "swc1 $f12, 48+" #dst " \n\t" \
329 "swc1 $f8, 64+" #dst " \n\t" \
330 "swc1 $f10, 80+" #dst " \n\t"
332 //IDCT( src0, src4, src1, src5, dst, shift)
333 IDCT( (%1), 64(%1), 32(%1), 96(%1), 0(%0), 20)
334 IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0), 20)
335 IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
336 IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
341 Z_COND_IDCT(64(%0), 72(%0), 80(%0), 88(%0), 64(%1),paddw,(%2), 11, 6f)
342 Z_COND_IDCT(96(%0),104(%0),112(%0),120(%0), 96(%1),paddw,(%2), 11, 5f)
345 #define IDCT(src0, src4, src1, src5, dst, shift) \
346 "ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
347 "ldc1 $f2, " #src4 " \n\t" /* R6 R2 r6 r2 */\
348 "ldc1 $f6, " #src5 " \n\t" /* R7 R5 r7 r5 */\
349 "ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
350 "pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
351 "ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
352 "pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
353 "ldc1 $f10, 32(%2) \n\t" /* C6 C2 C6 C2 */\
354 "pmaddhw $f10, $f10, $f2 \n\t" /* C6R6+C2R2 C6r6+C2r2 */\
355 "ldc1 $f12, 40(%2) \n\t" /* -C2 C6 -C2 C6 */\
356 "pmaddhw $f2, $f2, $f12 \n\t" /* -C2R6+C6R2 -C2r6+C6r2 */\
357 "mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
358 "paddw $f8, $f8, $f10 \n\t" /* A0 a0 */\
359 "psubw $f12, $f12, $f10 \n\t" /* A3 a3 */\
360 "mov.d $f10, $f0 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
361 "paddw $f0, $f0, $f2 \n\t" /* A1 a1 */\
362 "psubw $f10, $f10, $f2 \n\t" /* A2 a2 */\
363 "ldc1 $f2, 56(%2) \n\t" /* C7 C5 C7 C5 */\
364 "li $10, " #shift " \n\t" \
365 "pmaddhw $f2, $f2, $f6 \n\t" /* C7R7+C5R5 C7r7+C5r5 */\
366 "ldc1 $f14, 72(%2) \n\t" /* -C5 -C1 -C5 -C1 */\
367 "mtc1 $10, $f18 \n\t" \
368 "pmaddhw $f14, $f14, $f6 \n\t" /* -C5R7-C1R5 -C5r7-C1r5 */\
369 "paddw $f2, $f2, $f8 \n\t" /* A0+B0 a0+b0 */\
370 "paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
371 "psubw $f8, $f8, $f2 \n\t" /* A0-B0 a0-b0 */\
372 "psraw $f2, $f2, $f18 \n\t" \
373 "psraw $f8, $f8, $f18 \n\t" \
374 "mov.d $f4, $f0 \n\t" /* A1 a1 */\
375 "paddw $f0, $f0, $f14 \n\t" /* A1+B1 a1+b1 */\
376 "psubw $f4, $f4, $f14 \n\t" /* A1-B1 a1-b1 */\
377 "psraw $f0, $f0, $f18 \n\t" \
378 "psraw $f4, $f4, $f18 \n\t" \
379 "packsswh $f2, $f2, $f2 \n\t" /* A0+B0 a0+b0 */\
380 "swc1 $f2, " #dst " \n\t" \
381 "packsswh $f0, $f0, $f0 \n\t" /* A1+B1 a1+b1 */\
382 "swc1 $f0, 16+" #dst " \n\t" \
383 "packsswh $f4, $f4, $f4 \n\t" /* A1-B1 a1-b1 */\
384 "swc1 $f4, 96+" #dst " \n\t" \
385 "packsswh $f8, $f8, $f8 \n\t" /* A0-B0 a0-b0 */\
386 "swc1 $f8, 112+" #dst " \n\t" \
387 "ldc1 $f2, 88(%2) \n\t" /* C3 C7 C3 C7 */\
388 "ldc1 $f16, 104(%2) \n\t" \
389 "pmaddhw $f2, $f2, $f6 \n\t" /* C3R7+C7R5 C3r7+C7r5 */\
390 "mov.d $f4, $f10 \n\t" /* A2 a2 */\
391 "pmaddhw $f6, $f6, $f16 \n\t" /* -C1R7+C3R5 -C1r7+C3r5 */\
392 "paddw $f4, $f4, $f2 \n\t" /* A2+B2 a2+b2 */\
393 "psubw $f10, $f10, $f2 \n\t" /* a2-B2 a2-b2 */\
394 "psraw $f4, $f4, $f18 \n\t" \
395 "psraw $f10, $f10, $f18 \n\t" \
396 "mov.d $f2, $f12 \n\t" /* A3 a3 */\
397 "paddw $f12, $f12, $f6 \n\t" /* A3+B3 a3+b3 */\
398 "psubw $f2, $f2, $f6 \n\t" /* a3-B3 a3-b3 */\
399 "psraw $f12, $f12, $f18 \n\t" \
400 "psraw $f2, $f2, $f18 \n\t" \
401 "packsswh $f4, $f4, $f4 \n\t" /* A2+B2 a2+b2 */\
402 "packsswh $f12, $f12, $f12 \n\t" /* A3+B3 a3+b3 */\
403 "swc1 $f4, 32+" #dst " \n\t" \
404 "packsswh $f2, $f2, $f2 \n\t" /* A3-B3 a3-b3 */\
405 "packsswh $f10, $f10, $f10 \n\t" /* A2-B2 a2-b2 */\
406 "swc1 $f12, 48+" #dst " \n\t" \
407 "swc1 $f2, 64+" #dst " \n\t" \
408 "swc1 $f10, 80+" #dst " \n\t"
410 //IDCT( src0, src4, src1, src5, dst, shift)
411 IDCT( (%1), 64(%1), 32(%1), 96(%1), 0(%0), 20)
412 IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0), 20)
413 IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
414 IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
419 Z_COND_IDCT(96(%0),104(%0),112(%0),120(%0), 96(%1),paddw,(%2), 11, 7f)
422 #define IDCT(src0, src4, src1, src5, dst, shift) \
423 "ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
424 "ldc1 $f6, " #src5 " \n\t" /* R7 R5 r7 r5 */\
425 "ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
426 "pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
427 "ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
428 "pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
429 "mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
430 "mov.d $f10, $f0 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
431 "ldc1 $f2, 56(%2) \n\t" /* C7 C5 C7 C5 */\
432 "pmaddhw $f2, $f2, $f6 \n\t" /* C7R7+C5R5 C7r7+C5r5 */\
433 "ldc1 $f14, 72(%2) \n\t" /* -C5 -C1 -C5 -C1 */\
434 "li $10, " #shift " \n\t" \
435 "pmaddhw $f14, $f14, $f6 \n\t" /* -C5R7-C1R5 -C5r7-C1r5 */\
436 "paddw $f2, $f2, $f8 \n\t" /* A0+B0 a0+b0 */\
437 "mtc1 $10, $f18 \n\t" \
438 "paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
439 "psubw $f8, $f8, $f2 \n\t" /* A0-B0 a0-b0 */\
440 "psraw $f2, $f2, $f18 \n\t" \
441 "psraw $f8, $f8, $f18 \n\t" \
442 "mov.d $f4, $f0 \n\t" /* A1 a1 */\
443 "paddw $f0, $f0, $f14 \n\t" /* A1+B1 a1+b1 */\
444 "psubw $f4, $f4, $f14 \n\t" /* A1-B1 a1-b1 */\
445 "psraw $f0, $f0, $f18 \n\t" \
446 "psraw $f4, $f4, $f18 \n\t" \
447 "packsswh $f2, $f2, $f2 \n\t" /* A0+B0 a0+b0 */\
448 "swc1 $f2, " #dst " \n\t" \
449 "packsswh $f0, $f0, $f0 \n\t" /* A1+B1 a1+b1 */\
450 "swc1 $f0, 16+" #dst " \n\t" \
451 "packsswh $f4, $f4, $f4 \n\t" /* A1-B1 a1-b1 */\
452 "swc1 $f4, 96+" #dst " \n\t" \
453 "packsswh $f8, $f8, $f8 \n\t" /* A0-B0 a0-b0 */\
454 "swc1 $f8, 112+" #dst " \n\t" \
455 "ldc1 $f2, 88(%2) \n\t" /* C3 C7 C3 C7 */\
456 "ldc1 $f16, 104(%2) \n\t" \
457 "pmaddhw $f2, $f2, $f6 \n\t" /* C3R7+C7R5 C3r7+C7r5 */\
458 "mov.d $f4, $f10 \n\t" /* A2 a2 */\
459 "pmaddhw $f6, $f6, $f16 \n\t" /* -C1R7+C3R5 -C1r7+C3r5 */\
460 "paddw $f4, $f4, $f2 \n\t" /* A2+B2 a2+b2 */\
461 "psubw $f10, $f10, $f2 \n\t" /* a2-B2 a2-b2 */\
462 "psraw $f4, $f4, $f18 \n\t" \
463 "psraw $f10, $f10, $f18 \n\t" \
464 "mov.d $f2, $f12 \n\t" /* A3 a3 */\
465 "paddw $f12, $f12, $f6 \n\t" /* A3+B3 a3+b3 */\
466 "psubw $f2, $f2, $f6 \n\t" /* a3-B3 a3-b3 */\
467 "psraw $f12, $f12, $f18 \n\t" \
468 "psraw $f2, $f2, $f18 \n\t" \
469 "packsswh $f4, $f4, $f4 \n\t" /* A2+B2 a2+b2 */\
470 "packsswh $f12, $f12, $f12 \n\t" /* A3+B3 a3+b3 */\
471 "swc1 $f4, 32+" #dst " \n\t" \
472 "packsswh $f2, $f2, $f2 \n\t" /* A3-B3 a3-b3 */\
473 "packsswh $f10, $f10, $f10 \n\t" /* A2-B2 a2-b2 */\
474 "swc1 $f12, 48+" #dst " \n\t" \
475 "swc1 $f2, 64+" #dst " \n\t" \
476 "swc1 $f10, 80+" #dst " \n\t"
478 //IDCT( src0, src4, src1, src5, dst, shift)
479 IDCT( (%1), 64(%1), 32(%1), 96(%1), 0(%0), 20)
480 IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0), 20)
481 IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
482 IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
487 Z_COND_IDCT(96(%0),104(%0),112(%0),120(%0), 96(%1),paddw,(%2), 11, 3f)
490 #define IDCT(src0, src4, src1, src5, dst, shift) \
491 "ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
492 "ldc1 $f4, " #src1 " \n\t" /* R3 R1 r3 r1 */\
493 "ldc1 $f6, " #src5 " \n\t" /* R7 R5 r7 r5 */\
494 "ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
495 "pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
496 "ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
497 "pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
498 "mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
499 "ldc1 $f14, 48(%2) \n\t" /* C3 C1 C3 C1 */\
500 "pmaddhw $f14, $f14, $f4 \n\t" /* C3R3+C1R1 C3r3+C1r1 */\
501 "mov.d $f10, $f0 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
502 "ldc1 $f2, 56(%2) \n\t" /* C7 C5 C7 C5 */\
503 "pmaddhw $f2, $f2, $f6 \n\t" /* C7R7+C5R5 C7r7+C5r5 */\
504 "ldc1 $f16, 64(%2) \n\t" \
505 "pmaddhw $f4, $f4, $f16 \n\t" /* -C7R3+C3R1 -C7r3+C3r1 */\
506 "paddw $f14, $f14, $f2 \n\t" /* B0 b0 */\
507 "ldc1 $f2, 72(%2) \n\t" /* -C5 -C1 -C5 -C1 */\
508 "li $10, " #shift " \n\t" \
509 "pmaddhw $f2, $f2, $f6 \n\t" /* -C5R7-C1R5 -C5r7-C1r5 */\
510 "paddw $f14, $f14, $f8 \n\t" /* A0+B0 a0+b0 */\
511 "mtc1 $10, $f18 \n\t" \
512 "paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
513 "psubw $f8, $f8, $f14 \n\t" /* A0-B0 a0-b0 */\
514 "paddw $f2, $f2, $f4 \n\t" /* B1 b1 */\
515 "psraw $f14, $f14, $f18 \n\t" \
516 "psraw $f8, $f8, $f18 \n\t" \
517 "mov.d $f4, $f0 \n\t" /* A1 a1 */\
518 "paddw $f0, $f0, $f2 \n\t" /* A1+B1 a1+b1 */\
519 "psubw $f4, $f4, $f2 \n\t" /* A1-B1 a1-b1 */\
520 "psraw $f0, $f0, $f18 \n\t" \
521 "psraw $f4, $f4, $f18 \n\t" \
522 "packsswh $f14, $f14, $f14 \n\t" /* A0+B0 a0+b0 */\
523 "swc1 $f14, " #dst " \n\t" \
524 "packsswh $f0, $f0, $f0 \n\t" /* A1+B1 a1+b1 */\
525 "swc1 $f0, 16+" #dst " \n\t" \
526 "packsswh $f4, $f4, $f4 \n\t" /* A1-B1 a1-b1 */\
527 "swc1 $f4, 96+" #dst " \n\t" \
528 "packsswh $f8, $f8, $f8 \n\t" /* A0-B0 a0-b0 */\
529 "swc1 $f8, 112+" #dst " \n\t" \
530 "ldc1 $f0, " #src1 " \n\t" /* R3 R1 r3 r1 */\
531 "ldc1 $f8, 80(%2) \n\t" /* -C1 C5 -C1 C5 */\
532 "pmaddhw $f8, $f8, $f0 \n\t" /* -C1R3+C5R1 -C1r3+C5r1 */\
533 "ldc1 $f14, 88(%2) \n\t" /* C3 C7 C3 C7 */\
534 "ldc1 $f16, 96(%2) \n\t" \
535 "pmaddhw $f0, $f0, $f16 \n\t" /* -C5R3+C7R1 -C5r3+C7r1 */\
536 "pmaddhw $f14, $f14, $f6 \n\t" /* C3R7+C7R5 C3r7+C7r5 */\
537 "mov.d $f4, $f10 \n\t" /* A2 a2 */\
538 "ldc1 $f16, 104(%2) \n\t" \
539 "pmaddhw $f6, $f6, $f16 \n\t" /* -C1R7+C3R5 -C1r7+C3r5 */\
540 "paddw $f8, $f8, $f14 \n\t" /* B2 b2 */\
541 "paddw $f4, $f4, $f8 \n\t" /* A2+B2 a2+b2 */\
542 "psubw $f10, $f10, $f8 \n\t" /* a2-B2 a2-b2 */\
543 "psraw $f4, $f4, $f18 \n\t" \
544 "psraw $f10, $f10, $f18 \n\t" \
545 "mov.d $f8, $f12 \n\t" /* A3 a3 */\
546 "paddw $f6, $f6, $f0 \n\t" /* B3 b3 */\
547 "paddw $f12, $f12, $f6 \n\t" /* A3+B3 a3+b3 */\
548 "psubw $f8, $f8, $f6 \n\t" /* a3-B3 a3-b3 */\
549 "psraw $f12, $f12, $f18 \n\t" \
550 "psraw $f8, $f8, $f18 \n\t" \
551 "packsswh $f4, $f4, $f4 \n\t" /* A2+B2 a2+b2 */\
552 "packsswh $f12, $f12, $f12 \n\t" /* A3+B3 a3+b3 */\
553 "swc1 $f4, 32+" #dst " \n\t" \
554 "packsswh $f8, $f8, $f8 \n\t" /* A3-B3 a3-b3 */\
555 "packsswh $f10, $f10, $f10 \n\t" /* A2-B2 a2-b2 */\
556 "swc1 $f12, 48+" #dst " \n\t" \
557 "swc1 $f8, 64+" #dst " \n\t" \
558 "swc1 $f10, 80+" #dst " \n\t"
560 //IDCT( src0, src4, src1, src5, dst, shift)
561 IDCT( (%1), 64(%1), 32(%1), 96(%1), 0(%0), 20)
562 IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0), 20)
563 IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
564 IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
571 #define IDCT(src0, src4, src1, src5, dst, shift) \
572 "ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
573 "ldc1 $f4, " #src1 " \n\t" /* R3 R1 r3 r1 */\
574 "ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
575 "pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
576 "ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
577 "pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
578 "mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
579 "ldc1 $f14, 48(%2) \n\t" /* C3 C1 C3 C1 */\
580 "pmaddhw $f14, $f14, $f4 \n\t" /* C3R3+C1R1 C3r3+C1r1 */\
581 "mov.d $f10, $f0 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
582 "ldc1 $f6, 64(%2) \n\t" \
583 "pmaddhw $f6, $f6, $f4 \n\t" /* -C7R3+C3R1 -C7r3+C3r1 */\
584 "li $10, " #shift " \n\t" \
585 "paddw $f14, $f14, $f8 \n\t" /* A0+B0 a0+b0 */\
586 "mtc1 $10, $f18 \n\t" \
587 "paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
588 "psubw $f8, $f8, $f14 \n\t" /* A0-B0 a0-b0 */\
589 "psraw $f14, $f14, $f18 \n\t" \
590 "psraw $f8, $f8, $f18 \n\t" \
591 "mov.d $f2, $f0 \n\t" /* A1 a1 */\
592 "paddw $f0, $f0, $f6 \n\t" /* A1+B1 a1+b1 */\
593 "psubw $f2, $f2, $f6 \n\t" /* A1-B1 a1-b1 */\
594 "psraw $f0, $f0, $f18 \n\t" \
595 "psraw $f2, $f2, $f18 \n\t" \
596 "packsswh $f14, $f14, $f14 \n\t" /* A0+B0 a0+b0 */\
597 "swc1 $f14, " #dst " \n\t" \
598 "packsswh $f0, $f0, $f0 \n\t" /* A1+B1 a1+b1 */\
599 "swc1 $f0, 16+" #dst " \n\t" \
600 "packsswh $f2, $f2, $f2 \n\t" /* A1-B1 a1-b1 */\
601 "swc1 $f2, 96+" #dst " \n\t" \
602 "packsswh $f8, $f8, $f8 \n\t" /* A0-B0 a0-b0 */\
603 "swc1 $f8, 112+" #dst " \n\t" \
604 "ldc1 $f8, 80(%2) \n\t" /* -C1 C5 -C1 C5 */\
605 "ldc1 $f16, 96(%2) \n\t" \
606 "pmaddhw $f8, $f8, $f4 \n\t" /* -C1R3+C5R1 -C1r3+C5r1 */\
607 "pmaddhw $f4, $f4, $f16 \n\t" /* -C5R3+C7R1 -C5r3+C7r1 */\
608 "mov.d $f2, $f10 \n\t" /* A2 a2 */\
609 "paddw $f2, $f2, $f8 \n\t" /* A2+B2 a2+b2 */\
610 "psubw $f10, $f10, $f8 \n\t" /* a2-B2 a2-b2 */\
611 "psraw $f2, $f2, $f18 \n\t" \
612 "psraw $f10, $f10, $f18 \n\t" \
613 "mov.d $f8, $f12 \n\t" /* A3 a3 */\
614 "paddw $f12, $f12, $f4 \n\t" /* A3+B3 a3+b3 */\
615 "psubw $f8, $f8, $f4 \n\t" /* a3-B3 a3-b3 */\
616 "psraw $f12, $f12, $f18 \n\t" \
617 "psraw $f8, $f8, $f18 \n\t" \
618 "packsswh $f2, $f2, $f2 \n\t" /* A2+B2 a2+b2 */\
619 "packsswh $f12, $f12, $f12 \n\t" /* A3+B3 a3+b3 */\
620 "swc1 $f2, 32+" #dst " \n\t" \
621 "packsswh $f8, $f8, $f8 \n\t" /* A3-B3 a3-b3 */\
622 "packsswh $f10, $f10, $f10 \n\t" /* A2-B2 a2-b2 */\
623 "swc1 $f12, 48+" #dst " \n\t" \
624 "swc1 $f8, 64+" #dst " \n\t" \
625 "swc1 $f10, 80+" #dst " \n\t"
627 //IDCT( src0, src4, src1, src5, dst, shift)
628 IDCT( (%1), 64(%1), 32(%1), 96(%1), 0(%0), 20)
629 IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0), 20)
630 IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
631 IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
638 #define IDCT(src0, src4, src1, src5, dst, shift) \
639 "ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
640 "ldc1 $f2, " #src4 " \n\t" /* R6 R2 r6 r2 */\
641 "ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
642 "pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
643 "ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
644 "pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
645 "ldc1 $f10, 32(%2) \n\t" /* C6 C2 C6 C2 */\
646 "pmaddhw $f10, $f10, $f2 \n\t" /* C6R6+C2R2 C6r6+C2r2 */\
647 "ldc1 $f12, 40(%2) \n\t" /* -C2 C6 -C2 C6 */\
648 "pmaddhw $f2, $f2, $f12 \n\t" /* -C2R6+C6R2 -C2r6+C6r2 */\
649 "mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
650 "paddw $f8, $f8, $f10 \n\t" /* A0 a0 */\
651 "psubw $f12, $f12, $f10 \n\t" /* A3 a3 */\
652 "mov.d $f10, $f0 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
653 "paddw $f0, $f0, $f2 \n\t" /* A1 a1 */\
654 "psubw $f10, $f10, $f2 \n\t" /* A2 a2 */\
655 "ldc1 $f4, 8+" #src0 " \n\t" /* R4 R0 r4 r0 */\
656 "ldc1 $f6, 8+" #src4 " \n\t" /* R6 R2 r6 r2 */\
657 "ldc1 $f2, 16(%2) \n\t" /* C4 C4 C4 C4 */\
658 "pmaddhw $f2, $f2, $f4 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
659 "ldc1 $f14, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
660 "pmaddhw $f4, $f4, $f14 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
661 "ldc1 $f14, 32(%2) \n\t" /* C6 C2 C6 C2 */\
662 "ldc1 $f16, 40(%2) \n\t" \
663 "pmaddhw $f14, $f14, $f6 \n\t" /* C6R6+C2R2 C6r6+C2r2 */\
664 "pmaddhw $f6, $f6, $f16 \n\t" /* -C2R6+C6R2 -C2r6+C6r2 */\
665 "paddw $f14, $f14, $f2 \n\t" /* A0 a0 */\
666 "paddw $f2, $f2, $f2 \n\t" /* 2C0 2c0 */\
667 "psubw $f2, $f2, $f14 \n\t" /* A3 a3 */\
668 "li $10, " #shift " \n\t" \
669 "paddw $f6, $f6, $f4 \n\t" /* A1 a1 */\
670 "mtc1 $10, $f18 \n\t" \
671 "paddw $f4, $f4, $f4 \n\t" /* 2C1 2c1 */\
672 "psubw $f4, $f4, $f6 \n\t" /* A2 a2 */\
673 "psraw $f8, $f8, $f18 \n\t" \
674 "psraw $f14, $f14, $f18 \n\t" \
675 "psraw $f6, $f6, $f18 \n\t" \
676 "packsswh $f8, $f8, $f14 \n\t" /* A0 a0 */\
677 "sdc1 $f8, " #dst " \n\t" \
678 "psraw $f0, $f0, $f18 \n\t" \
679 "packsswh $f0, $f0, $f6 \n\t" /* A1 a1 */\
680 "sdc1 $f0, 16+" #dst " \n\t" \
681 "sdc1 $f0, 96+" #dst " \n\t" \
682 "sdc1 $f8, 112+" #dst " \n\t" \
683 "psraw $f10, $f10, $f18 \n\t" \
684 "psraw $f12, $f12, $f18 \n\t" \
685 "psraw $f4, $f4, $f18 \n\t" \
686 "packsswh $f10, $f10, $f4 \n\t" /* A2-B2 a2-b2 */\
687 "sdc1 $f10, 32+" #dst " \n\t" \
688 "psraw $f2, $f2, $f18 \n\t" \
689 "packsswh $f12, $f12, $f2 \n\t" /* A3+B3 a3+b3 */\
690 "sdc1 $f12, 48+" #dst " \n\t" \
691 "sdc1 $f12, 64+" #dst " \n\t" \
692 "sdc1 $f10, 80+" #dst " \n\t"
694 //IDCT( src0, src4, src1, src5, dst, shift)
695 IDCT( 0(%1), 64(%1), 32(%1), 96(%1), 0(%0), 20)
696 IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
703 #define IDCT(src0, src4, src1, src5, dst, shift) \
704 "ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
705 "ldc1 $f2, " #src4 " \n\t" /* R6 R2 r6 r2 */\
706 "ldc1 $f4, " #src1 " \n\t" /* R3 R1 r3 r1 */\
707 "ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
708 "li $10, " #shift " \n\t" \
709 "pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
710 "ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
711 "mtc1 $10, $f18 \n\t" \
712 "pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
713 "ldc1 $f10, 32(%2) \n\t" /* C6 C2 C6 C2 */\
714 "pmaddhw $f10, $f10, $f2 \n\t" /* C6R6+C2R2 C6r6+C2r2 */\
715 "ldc1 $f12, 40(%2) \n\t" /* -C2 C6 -C2 C6 */\
716 "pmaddhw $f2, $f2, $f12 \n\t" /* -C2R6+C6R2 -C2r6+C6r2 */\
717 "mov.d $f12, $f8 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
718 "ldc1 $f14, 48(%2) \n\t" /* C3 C1 C3 C1 */\
719 "pmaddhw $f14, $f14, $f4 \n\t" /* C3R3+C1R1 C3r3+C1r1 */\
720 "paddw $f8, $f8, $f10 \n\t" /* A0 a0 */\
721 "psubw $f12, $f12, $f10 \n\t" /* A3 a3 */\
722 "mov.d $f10, $f0 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
723 "paddw $f0, $f0, $f2 \n\t" /* A1 a1 */\
724 "psubw $f10, $f10, $f2 \n\t" /* A2 a2 */\
725 "ldc1 $f2, 64(%2) \n\t" \
726 "pmaddhw $f2, $f2, $f4 \n\t" /* -C7R3+C3R1 -C7r3+C3r1 */\
727 "paddw $f14, $f14, $f8 \n\t" /* A0+B0 a0+b0 */\
728 "paddw $f8, $f8, $f8 \n\t" /* 2A0 2a0 */\
729 "psubw $f8, $f8, $f14 \n\t" /* A0-B0 a0-b0 */\
730 "psraw $f14, $f14, $f18 \n\t" \
731 "psraw $f8, $f8, $f18 \n\t" \
732 "mov.d $f6, $f0 \n\t" /* A1 a1 */\
733 "paddw $f0, $f0, $f2 \n\t" /* A1+B1 a1+b1 */\
734 "psubw $f6, $f6, $f2 \n\t" /* A1-B1 a1-b1 */\
735 "psraw $f0, $f0, $f18 \n\t" \
736 "psraw $f6, $f6, $f18 \n\t" \
737 "packsswh $f14, $f14, $f14 \n\t" /* A0+B0 a0+b0 */\
738 "swc1 $f14, " #dst " \n\t" \
739 "packsswh $f0, $f0, $f0 \n\t" /* A1+B1 a1+b1 */\
740 "swc1 $f0, 16+" #dst " \n\t" \
741 "packsswh $f6, $f6, $f6 \n\t" /* A1-B1 a1-b1 */\
742 "swc1 $f6, 96+" #dst " \n\t" \
743 "packsswh $f8, $f8, $f8 \n\t" /* A0-B0 a0-b0 */\
744 "swc1 $f8, 112+" #dst " \n\t" \
745 "ldc1 $f8, 80(%2) \n\t" /* -C1 C5 -C1 C5 */\
746 "ldc1 $f16, 96(%2) \n\t" \
747 "pmaddhw $f8, $f8, $f4 \n\t" /* -C1R3+C5R1 -C1r3+C5r1 */\
748 "pmaddhw $f4, $f4, $f16 \n\t" /* -C5R3+C7R1 -C5r3+C7r1 */\
749 "mov.d $f6, $f10 \n\t" /* A2 a2 */\
750 "paddw $f6, $f6, $f8 \n\t" /* A2+B2 a2+b2 */\
751 "psubw $f10, $f10, $f8 \n\t" /* a2-B2 a2-b2 */\
752 "psraw $f6, $f6, $f18 \n\t" \
753 "psraw $f10, $f10, $f18 \n\t" \
754 "mov.d $f8, $f12 \n\t" /* A3 a3 */\
755 "paddw $f12, $f12, $f4 \n\t" /* A3+B3 a3+b3 */\
756 "psubw $f8, $f8, $f4 \n\t" /* a3-B3 a3-b3 */\
757 "psraw $f12, $f12, $f18 \n\t" \
758 "packsswh $f6, $f6, $f6 \n\t" /* A2+B2 a2+b2 */\
759 "swc1 $f6, 32+" #dst " \n\t" \
760 "psraw $f8, $f8, $f18 \n\t" \
761 "packsswh $f12, $f12, $f12 \n\t" /* A3+B3 a3+b3 */\
762 "swc1 $f12, 48+" #dst " \n\t" \
763 "packsswh $f8, $f8, $f8 \n\t" /* A3-B3 a3-b3 */\
764 "packsswh $f10, $f10, $f10 \n\t" /* A2-B2 a2-b2 */\
765 "swc1 $f8, 64+" #dst " \n\t" \
766 "swc1 $f10, 80+" #dst " \n\t"
768 //IDCT( src0, src4, src1, src5, dst, shift)
769 IDCT( (%1), 64(%1), 32(%1), 96(%1), 0(%0), 20)
770 IDCT( 8(%1), 72(%1), 40(%1), 104(%1), 4(%0), 20)
771 IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
772 IDCT( 24(%1), 88(%1), 56(%1), 120(%1), 12(%0), 20)
779 #define IDCT(src0, src4, src1, src5, dst, shift) \
780 "ldc1 $f0, " #src0 " \n\t" /* R4 R0 r4 r0 */\
781 "ldc1 $f8, 16(%2) \n\t" /* C4 C4 C4 C4 */\
782 "li $10, " #shift " \n\t" \
783 "pmaddhw $f8, $f8, $f0 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
784 "mtc1 $10, $f18 \n\t" \
785 "ldc1 $f10, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
786 "pmaddhw $f0, $f0, $f10 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
787 "psraw $f8, $f8, $f18 \n\t" \
788 "psraw $f0, $f0, $f18 \n\t" \
789 "ldc1 $f4, 8+" #src0 " \n\t" /* R4 R0 r4 r0 */\
790 "ldc1 $f2, 16(%2) \n\t" /* C4 C4 C4 C4 */\
791 "pmaddhw $f2, $f2, $f4 \n\t" /* C4R4+C4R0 C4r4+C4r0 */\
792 "ldc1 $f14, 24(%2) \n\t" /* -C4 C4 -C4 C4 */\
793 "pmaddhw $f4, $f4, $f14 \n\t" /* -C4R4+C4R0 -C4r4+C4r0 */\
794 "ldc1 $f14, 32(%2) \n\t" /* C6 C2 C6 C2 */\
795 "psraw $f2, $f2, $f18 \n\t" \
796 "packsswh $f8, $f8, $f2 \n\t" /* A0 a0 */\
797 "sdc1 $f8, " #dst " \n\t" \
798 "psraw $f4, $f4, $f18 \n\t" \
799 "packsswh $f0, $f0, $f4 \n\t" /* A1 a1 */\
800 "sdc1 $f0, 16+" #dst " \n\t" \
801 "sdc1 $f0, 96+" #dst " \n\t" \
802 "sdc1 $f8, 112+" #dst " \n\t" \
803 "sdc1 $f0, 32+" #dst " \n\t" \
804 "sdc1 $f8, 48+" #dst " \n\t" \
805 "sdc1 $f8, 64+" #dst " \n\t" \
806 "sdc1 $f0, 80+" #dst " \n\t"
808 //IDCT( src0, src4, src1, src5, dst, shift)
809 IDCT( 0(%1), 64(%1), 32(%1), 96(%1), 0(%0), 20)
810 IDCT( 16(%1), 80(%1), 48(%1), 112(%1), 8(%0), 20)
813 ::"r"(block),"r"(temp),"r"(coeffs),"m"(ff_wm1010),"m"(ff_d40000)
818 void ff_simple_idct_mmi(int16_t *block)
820 simple_idct_mmi(block);
823 void ff_simple_idct_put_mmi(uint8_t *dest, int32_t line_size, int16_t *block)
825 simple_idct_mmi(block);
826 ff_put_pixels_clamped_mmi(block, dest, line_size);
829 void ff_simple_idct_add_mmi(uint8_t *dest, int32_t line_size, int16_t *block)
831 simple_idct_mmi(block);
832 ff_add_pixels_clamped_mmi(block, dest, line_size);