source/libvpx/vp9/common/mips/dspr2/vp9_itrans32_cols_dspr2.c - Issue 1302353004: libvpx: Pull from upstream

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Issue 1302353004: libvpx: Pull from upstream (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master

Patch Set: Created 5 years, 3 months ago

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1 /*

2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved.

3 *

4 * Use of this source code is governed by a BSD-style license

5 * that can be found in the LICENSE file in the root of the source

6 * tree. An additional intellectual property rights grant can be found

7 * in the file PATENTS. All contributing project authors may

8 * be found in the AUTHORS file in the root of the source tree.

9 */

10

11 #include <assert.h>

12

13 #include "./vpx_config.h"

14 #include "./vp9_rtcd.h"

15 #include "vp9/common/vp9_common.h"

16 #include "vp9/common/vp9_blockd.h"

17 #include "vp9/common/mips/dspr2/vp9_common_dspr2.h"

18 #include "vpx_dsp/txfm_common.h"

19 #include "vpx_ports/mem.h"

20

21 #if HAVE_DSPR2

22 void vp9_idct32_cols_add_blk_dspr2(int16_t input, uint8_t dest,

23 int dest_stride) {

24 int16_t step1_0, step1_1, step1_2, step1_3, step1_4, step1_5, step1_6;

25 int16_t step1_7, step1_8, step1_9, step1_10, step1_11, step1_12, step1_13;

26 int16_t step1_14, step1_15, step1_16, step1_17, step1_18, step1_19;

27 int16_t step1_20, step1_21, step1_22, step1_23, step1_24, step1_25, step1_26;

28 int16_t step1_27, step1_28, step1_29, step1_30, step1_31;

29 int16_t step2_0, step2_1, step2_2, step2_3, step2_4, step2_5, step2_6;

30 int16_t step2_7, step2_8, step2_9, step2_10, step2_11, step2_12, step2_13;

31 int16_t step2_14, step2_15, step2_16, step2_17, step2_18, step2_19, step2_20;

32 int16_t step2_21, step2_22, step2_23, step2_24, step2_25, step2_26, step2_27;

33 int16_t step2_28, step2_29, step2_30, step2_31;

34 int16_t step3_8, step3_9, step3_10, step3_11, step3_12, step3_13, step3_14;

35 int16_t step3_15, step3_16, step3_17, step3_18, step3_19, step3_20, step3_21;

36 int16_t step3_22, step3_23, step3_24, step3_25, step3_26, step3_27;

37 int16_t step3_28, step3_29, step3_30, step3_31;

38 int temp0, temp1, temp2, temp3;

39 int load1, load2, load3, load4;

40 int result1, result2;

41 int i, temp21;

42 uint8_t dest_pix, dest_pix1;

43 const int const_2_power_13 = 8192;

44 uint8_t *cm = vpx_ff_cropTbl;

45

46 /* prefetch vpx_ff_cropTbl */

47 prefetch_load(vpx_ff_cropTbl);

48 prefetch_load(vpx_ff_cropTbl + 32);

49 prefetch_load(vpx_ff_cropTbl + 64);

50 prefetch_load(vpx_ff_cropTbl + 96);

51 prefetch_load(vpx_ff_cropTbl + 128);

52 prefetch_load(vpx_ff_cropTbl + 160);

53 prefetch_load(vpx_ff_cropTbl + 192);

54 prefetch_load(vpx_ff_cropTbl + 224);

55

56 for (i = 0; i < 32; ++i) {

57 dest_pix = dest + i;

58 dest_pix1 = dest + i + 31 * dest_stride;

59

60 __asm__ __volatile__ (

61 "lh %[load1], 2(%[input]) \n\t"

62 "lh %[load2], 62(%[input]) \n\t"

63 "lh %[load3], 34(%[input]) \n\t"

64 "lh %[load4], 30(%[input]) \n\t"

65

66 "mtlo %[const_2_power_13], $ac1 \n\t"

67 "mthi $zero, $ac1 \n\t"

68 "mtlo %[const_2_power_13], $ac3 \n\t"

69 "mthi $zero, $ac3 \n\t"

70

71 "madd $ac1, %[load1], %[cospi_31_64] \n\t"

72 "msub $ac1, %[load2], %[cospi_1_64] \n\t"

73 "extp %[temp0], $ac1, 31 \n\t"

74

75 "madd $ac3, %[load1], %[cospi_1_64] \n\t"

76 "madd $ac3, %[load2], %[cospi_31_64] \n\t"

77 "extp %[temp3], $ac3, 31 \n\t"

78

79 "mtlo %[const_2_power_13], $ac1 \n\t"

80 "mthi $zero, $ac1 \n\t"

81 "mtlo %[const_2_power_13], $ac2 \n\t"

82 "mthi $zero, $ac2 \n\t"

83

84 "madd $ac2, %[load3], %[cospi_15_64] \n\t"

85 "msub $ac2, %[load4], %[cospi_17_64] \n\t"

86 "extp %[temp1], $ac2, 31 \n\t"

87

88 "madd $ac1, %[load3], %[cospi_17_64] \n\t"

89 "madd $ac1, %[load4], %[cospi_15_64] \n\t"

90 "extp %[temp2], $ac1, 31 \n\t"

91

92 "mtlo %[const_2_power_13], $ac1 \n\t"

93 "mthi $zero, $ac1 \n\t"

94 "mtlo %[const_2_power_13], $ac3 \n\t"

95 "mthi $zero, $ac3 \n\t"

96

97 "sub %[load1], %[temp3], %[temp2] \n\t"

98 "sub %[load2], %[temp0], %[temp1] \n\t"

99

100 "madd $ac1, %[load1], %[cospi_28_64] \n\t"

101 "msub $ac1, %[load2], %[cospi_4_64] \n\t"

102 "madd $ac3, %[load1], %[cospi_4_64] \n\t"

103 "madd $ac3, %[load2], %[cospi_28_64] \n\t"

104

105 "extp %[step1_17], $ac1, 31 \n\t"

106 "extp %[step1_30], $ac3, 31 \n\t"

107 "add %[step1_16], %[temp0], %[temp1] \n\t"

108 "add %[step1_31], %[temp2], %[temp3] \n\t"

109

110 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),

111 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),

112 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),

113 [step1_16] "=r" (step1_16), [step1_17] "=r" (step1_17),

114 [step1_30] "=r" (step1_30), [step1_31] "=r" (step1_31)

115 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),

116 [cospi_31_64] "r" (cospi_31_64), [cospi_1_64] "r" (cospi_1_64),

117 [cospi_4_64] "r" (cospi_4_64), [cospi_17_64] "r" (cospi_17_64),

118 [cospi_15_64] "r" (cospi_15_64), [cospi_28_64] "r" (cospi_28_64)

119 );

120

121 __asm__ __volatile__ (

122 "lh %[load1], 18(%[input]) \n\t"

123 "lh %[load2], 46(%[input]) \n\t"

124 "lh %[load3], 50(%[input]) \n\t"

125 "lh %[load4], 14(%[input]) \n\t"

126

127 "mtlo %[const_2_power_13], $ac1 \n\t"

128 "mthi $zero, $ac1 \n\t"

129 "mtlo %[const_2_power_13], $ac3 \n\t"

130 "mthi $zero, $ac3 \n\t"

131

132 "madd $ac1, %[load1], %[cospi_23_64] \n\t"

133 "msub $ac1, %[load2], %[cospi_9_64] \n\t"

134 "extp %[temp0], $ac1, 31 \n\t"

135

136 "madd $ac3, %[load1], %[cospi_9_64] \n\t"

137 "madd $ac3, %[load2], %[cospi_23_64] \n\t"

138 "extp %[temp3], $ac3, 31 \n\t"

139

140 "mtlo %[const_2_power_13], $ac1 \n\t"

141 "mthi $zero, $ac1 \n\t"

142 "mtlo %[const_2_power_13], $ac2 \n\t"

143 "mthi $zero, $ac2 \n\t"

144

145 "madd $ac2, %[load3], %[cospi_7_64] \n\t"

146 "msub $ac2, %[load4], %[cospi_25_64] \n\t"

147 "extp %[temp1], $ac2, 31 \n\t"

148

149 "madd $ac1, %[load3], %[cospi_25_64] \n\t"

150 "madd $ac1, %[load4], %[cospi_7_64] \n\t"

151 "extp %[temp2], $ac1, 31 \n\t"

152

153 "mtlo %[const_2_power_13], $ac1 \n\t"

154 "mthi $zero, $ac1 \n\t"

155 "mtlo %[const_2_power_13], $ac3 \n\t"

156 "mthi $zero, $ac3 \n\t"

157

158 "sub %[load1], %[temp1], %[temp0] \n\t"

159 "sub %[load2], %[temp2], %[temp3] \n\t"

160

161 "msub $ac1, %[load1], %[cospi_28_64] \n\t"

162 "msub $ac1, %[load2], %[cospi_4_64] \n\t"

163 "msub $ac3, %[load1], %[cospi_4_64] \n\t"

164 "madd $ac3, %[load2], %[cospi_28_64] \n\t"

165

166 "extp %[step1_18], $ac1, 31 \n\t"

167 "extp %[step1_29], $ac3, 31 \n\t"

168 "add %[step1_19], %[temp0], %[temp1] \n\t"

169 "add %[step1_28], %[temp2], %[temp3] \n\t"

170

171 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),

172 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),

173 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),

174 [step1_18] "=r" (step1_18), [step1_19] "=r" (step1_19),

175 [step1_28] "=r" (step1_28), [step1_29] "=r" (step1_29)

176 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),

177 [cospi_23_64] "r" (cospi_23_64), [cospi_9_64] "r" (cospi_9_64),

178 [cospi_4_64] "r" (cospi_4_64), [cospi_7_64] "r" (cospi_7_64),

179 [cospi_25_64] "r" (cospi_25_64), [cospi_28_64] "r" (cospi_28_64)

180 );

181

182 __asm__ __volatile__ (

183 "lh %[load1], 10(%[input]) \n\t"

184 "lh %[load2], 54(%[input]) \n\t"

185 "lh %[load3], 42(%[input]) \n\t"

186 "lh %[load4], 22(%[input]) \n\t"

187

188 "mtlo %[const_2_power_13], $ac1 \n\t"

189 "mthi $zero, $ac1 \n\t"

190 "mtlo %[const_2_power_13], $ac3 \n\t"

191 "mthi $zero, $ac3 \n\t"

192

193 "madd $ac1, %[load1], %[cospi_27_64] \n\t"

194 "msub $ac1, %[load2], %[cospi_5_64] \n\t"

195 "extp %[temp0], $ac1, 31 \n\t"

196

197 "madd $ac3, %[load1], %[cospi_5_64] \n\t"

198 "madd $ac3, %[load2], %[cospi_27_64] \n\t"

199 "extp %[temp3], $ac3, 31 \n\t"

200

201 "mtlo %[const_2_power_13], $ac1 \n\t"

202 "mthi $zero, $ac1 \n\t"

203 "mtlo %[const_2_power_13], $ac2 \n\t"

204 "mthi $zero, $ac2 \n\t"

205

206 "madd $ac2, %[load3], %[cospi_11_64] \n\t"

207 "msub $ac2, %[load4], %[cospi_21_64] \n\t"

208 "extp %[temp1], $ac2, 31 \n\t"

209

210 "madd $ac1, %[load3], %[cospi_21_64] \n\t"

211 "madd $ac1, %[load4], %[cospi_11_64] \n\t"

212 "extp %[temp2], $ac1, 31 \n\t"

213

214 "mtlo %[const_2_power_13], $ac1 \n\t"

215 "mthi $zero, $ac1 \n\t"

216 "mtlo %[const_2_power_13], $ac3 \n\t"

217 "mthi $zero, $ac3 \n\t"

218

219 "sub %[load1], %[temp0], %[temp1] \n\t"

220 "sub %[load2], %[temp3], %[temp2] \n\t"

221

222 "madd $ac1, %[load2], %[cospi_12_64] \n\t"

223 "msub $ac1, %[load1], %[cospi_20_64] \n\t"

224 "madd $ac3, %[load1], %[cospi_12_64] \n\t"

225 "madd $ac3, %[load2], %[cospi_20_64] \n\t"

226

227 "extp %[step1_21], $ac1, 31 \n\t"

228 "extp %[step1_26], $ac3, 31 \n\t"

229 "add %[step1_20], %[temp0], %[temp1] \n\t"

230 "add %[step1_27], %[temp2], %[temp3] \n\t"

231

232 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),

233 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),

234 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),

235 [step1_20] "=r" (step1_20), [step1_21] "=r" (step1_21),

236 [step1_26] "=r" (step1_26), [step1_27] "=r" (step1_27)

237 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),

238 [cospi_27_64] "r" (cospi_27_64), [cospi_5_64] "r" (cospi_5_64),

239 [cospi_11_64] "r" (cospi_11_64), [cospi_21_64] "r" (cospi_21_64),

240 [cospi_12_64] "r" (cospi_12_64), [cospi_20_64] "r" (cospi_20_64)

241 );

242

243 __asm__ __volatile__ (

244 "lh %[load1], 26(%[input]) \n\t"

245 "lh %[load2], 38(%[input]) \n\t"

246 "lh %[load3], 58(%[input]) \n\t"

247 "lh %[load4], 6(%[input]) \n\t"

248

249 "mtlo %[const_2_power_13], $ac1 \n\t"

250 "mthi $zero, $ac1 \n\t"

251 "mtlo %[const_2_power_13], $ac3 \n\t"

252 "mthi $zero, $ac3 \n\t"

253

254 "madd $ac1, %[load1], %[cospi_19_64] \n\t"

255 "msub $ac1, %[load2], %[cospi_13_64] \n\t"

256 "extp %[temp0], $ac1, 31 \n\t"

257 "madd $ac3, %[load1], %[cospi_13_64] \n\t"

258 "madd $ac3, %[load2], %[cospi_19_64] \n\t"

259 "extp %[temp3], $ac3, 31 \n\t"

260

261 "mtlo %[const_2_power_13], $ac1 \n\t"

262 "mthi $zero, $ac1 \n\t"

263 "mtlo %[const_2_power_13], $ac2 \n\t"

264 "mthi $zero, $ac2 \n\t"

265

266 "madd $ac2, %[load3], %[cospi_3_64] \n\t"

267 "msub $ac2, %[load4], %[cospi_29_64] \n\t"

268 "extp %[temp1], $ac2, 31 \n\t"

269 "madd $ac1, %[load3], %[cospi_29_64] \n\t"

270 "madd $ac1, %[load4], %[cospi_3_64] \n\t"

271 "extp %[temp2], $ac1, 31 \n\t"

272

273 "mtlo %[const_2_power_13], $ac1 \n\t"

274 "mthi $zero, $ac1 \n\t"

275 "mtlo %[const_2_power_13], $ac3 \n\t"

276 "mthi $zero, $ac3 \n\t"

277

278 "sub %[load1], %[temp1], %[temp0] \n\t"

279 "sub %[load2], %[temp2], %[temp3] \n\t"

280 "msub $ac1, %[load1], %[cospi_12_64] \n\t"

281 "msub $ac1, %[load2], %[cospi_20_64] \n\t"

282 "msub $ac3, %[load1], %[cospi_20_64] \n\t"

283 "madd $ac3, %[load2], %[cospi_12_64] \n\t"

284 "extp %[step1_22], $ac1, 31 \n\t"

285 "extp %[step1_25], $ac3, 31 \n\t"

286 "add %[step1_23], %[temp0], %[temp1] \n\t"

287 "add %[step1_24], %[temp2], %[temp3] \n\t"

288

289 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),

290 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),

291 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),

292 [step1_22] "=r" (step1_22), [step1_23] "=r" (step1_23),

293 [step1_24] "=r" (step1_24), [step1_25] "=r" (step1_25)

294 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),

295 [cospi_19_64] "r" (cospi_19_64), [cospi_13_64] "r" (cospi_13_64),

296 [cospi_3_64] "r" (cospi_3_64), [cospi_29_64] "r" (cospi_29_64),

297 [cospi_12_64] "r" (cospi_12_64), [cospi_20_64] "r" (cospi_20_64)

298 );

299

300 __asm__ __volatile__ (

301 "lh %[load1], 4(%[input]) \n\t"

302 "lh %[load2], 60(%[input]) \n\t"

303 "lh %[load3], 36(%[input]) \n\t"

304 "lh %[load4], 28(%[input]) \n\t"

305

306 "mtlo %[const_2_power_13], $ac1 \n\t"

307 "mthi $zero, $ac1 \n\t"

308 "mtlo %[const_2_power_13], $ac3 \n\t"

309 "mthi $zero, $ac3 \n\t"

310

311 "madd $ac1, %[load1], %[cospi_30_64] \n\t"

312 "msub $ac1, %[load2], %[cospi_2_64] \n\t"

313 "extp %[temp0], $ac1, 31 \n\t"

314 "madd $ac3, %[load1], %[cospi_2_64] \n\t"

315 "madd $ac3, %[load2], %[cospi_30_64] \n\t"

316 "extp %[temp3], $ac3, 31 \n\t"

317

318 "mtlo %[const_2_power_13], $ac1 \n\t"

319 "mthi $zero, $ac1 \n\t"

320 "mtlo %[const_2_power_13], $ac2 \n\t"

321 "mthi $zero, $ac2 \n\t"

322

323 "madd $ac2, %[load3], %[cospi_14_64] \n\t"

324 "msub $ac2, %[load4], %[cospi_18_64] \n\t"

325 "extp %[temp1], $ac2, 31 \n\t"

326 "madd $ac1, %[load3], %[cospi_18_64] \n\t"

327 "madd $ac1, %[load4], %[cospi_14_64] \n\t"

328 "extp %[temp2], $ac1, 31 \n\t"

329

330 "mtlo %[const_2_power_13], $ac1 \n\t"

331 "mthi $zero, $ac1 \n\t"

332 "mtlo %[const_2_power_13], $ac3 \n\t"

333 "mthi $zero, $ac3 \n\t"

334

335 "sub %[load1], %[temp0], %[temp1] \n\t"

336 "sub %[load2], %[temp3], %[temp2] \n\t"

337 "msub $ac1, %[load1], %[cospi_8_64] \n\t"

338 "madd $ac1, %[load2], %[cospi_24_64] \n\t"

339 "madd $ac3, %[load1], %[cospi_24_64] \n\t"

340 "madd $ac3, %[load2], %[cospi_8_64] \n\t"

341 "extp %[step2_9], $ac1, 31 \n\t"

342 "extp %[step2_14], $ac3, 31 \n\t"

343 "add %[step2_8], %[temp0], %[temp1] \n\t"

344 "add %[step2_15], %[temp2], %[temp3] \n\t"

345

346 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),

347 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),

348 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),

349 [step2_8] "=r" (step2_8), [step2_9] "=r" (step2_9),

350 [step2_14] "=r" (step2_14), [step2_15] "=r" (step2_15)

351 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),

352 [cospi_30_64] "r" (cospi_30_64), [cospi_2_64] "r" (cospi_2_64),

353 [cospi_14_64] "r" (cospi_14_64), [cospi_18_64] "r" (cospi_18_64),

354 [cospi_8_64] "r" (cospi_8_64), [cospi_24_64] "r" (cospi_24_64)

355 );

356

357 __asm__ __volatile__ (

358 "lh %[load1], 20(%[input]) \n\t"

359 "lh %[load2], 44(%[input]) \n\t"

360 "lh %[load3], 52(%[input]) \n\t"

361 "lh %[load4], 12(%[input]) \n\t"

362

363 "mtlo %[const_2_power_13], $ac1 \n\t"

364 "mthi $zero, $ac1 \n\t"

365 "mtlo %[const_2_power_13], $ac3 \n\t"

366 "mthi $zero, $ac3 \n\t"

367

368 "madd $ac1, %[load1], %[cospi_22_64] \n\t"

369 "msub $ac1, %[load2], %[cospi_10_64] \n\t"

370 "extp %[temp0], $ac1, 31 \n\t"

371 "madd $ac3, %[load1], %[cospi_10_64] \n\t"

372 "madd $ac3, %[load2], %[cospi_22_64] \n\t"

373 "extp %[temp3], $ac3, 31 \n\t"

374

375 "mtlo %[const_2_power_13], $ac1 \n\t"

376 "mthi $zero, $ac1 \n\t"

377 "mtlo %[const_2_power_13], $ac2 \n\t"

378 "mthi $zero, $ac2 \n\t"

379

380 "madd $ac2, %[load3], %[cospi_6_64] \n\t"

381 "msub $ac2, %[load4], %[cospi_26_64] \n\t"

382 "extp %[temp1], $ac2, 31 \n\t"

383 "madd $ac1, %[load3], %[cospi_26_64] \n\t"

384 "madd $ac1, %[load4], %[cospi_6_64] \n\t"

385 "extp %[temp2], $ac1, 31 \n\t"

386

387 "mtlo %[const_2_power_13], $ac1 \n\t"

388 "mthi $zero, $ac1 \n\t"

389 "mtlo %[const_2_power_13], $ac3 \n\t"

390 "mthi $zero, $ac3 \n\t"

391

392 "sub %[load1], %[temp1], %[temp0] \n\t"

393 "sub %[load2], %[temp2], %[temp3] \n\t"

394 "msub $ac1, %[load1], %[cospi_24_64] \n\t"

395 "msub $ac1, %[load2], %[cospi_8_64] \n\t"

396 "madd $ac3, %[load2], %[cospi_24_64] \n\t"

397 "msub $ac3, %[load1], %[cospi_8_64] \n\t"

398 "extp %[step2_10], $ac1, 31 \n\t"

399 "extp %[step2_13], $ac3, 31 \n\t"

400 "add %[step2_11], %[temp0], %[temp1] \n\t"

401 "add %[step2_12], %[temp2], %[temp3] \n\t"

402

403 : [load1] "=&r" (load1), [load2] "=&r" (load2), [load3] "=&r" (load3),

404 [load4] "=&r" (load4), [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),

405 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),

406 [step2_10] "=r" (step2_10), [step2_11] "=r" (step2_11),

407 [step2_12] "=r" (step2_12), [step2_13] "=r" (step2_13)

408 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),

409 [cospi_22_64] "r" (cospi_22_64), [cospi_10_64] "r" (cospi_10_64),

410 [cospi_6_64] "r" (cospi_6_64), [cospi_26_64] "r" (cospi_26_64),

411 [cospi_8_64] "r" (cospi_8_64), [cospi_24_64] "r" (cospi_24_64)

412 );

413

414 __asm__ __volatile__ (

415 "mtlo %[const_2_power_13], $ac0 \n\t"

416 "mthi $zero, $ac0 \n\t"

417 "sub %[temp0], %[step2_14], %[step2_13] \n\t"

418 "sub %[temp0], %[temp0], %[step2_9] \n\t"

419 "add %[temp0], %[temp0], %[step2_10] \n\t"

420 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"

421 "mtlo %[const_2_power_13], $ac1 \n\t"

422 "mthi $zero, $ac1 \n\t"

423 "sub %[temp1], %[step2_14], %[step2_13] \n\t"

424 "add %[temp1], %[temp1], %[step2_9] \n\t"

425 "sub %[temp1], %[temp1], %[step2_10] \n\t"

426 "madd $ac1, %[temp1], %[cospi_16_64] \n\t"

427 "mtlo %[const_2_power_13], $ac2 \n\t"

428 "mthi $zero, $ac2 \n\t"

429 "sub %[temp0], %[step2_15], %[step2_12] \n\t"

430 "sub %[temp0], %[temp0], %[step2_8] \n\t"

431 "add %[temp0], %[temp0], %[step2_11] \n\t"

432 "madd $ac2, %[temp0], %[cospi_16_64] \n\t"

433 "mtlo %[const_2_power_13], $ac3 \n\t"

434 "mthi $zero, $ac3 \n\t"

435 "sub %[temp1], %[step2_15], %[step2_12] \n\t"

436 "add %[temp1], %[temp1], %[step2_8] \n\t"

437 "sub %[temp1], %[temp1], %[step2_11] \n\t"

438 "madd $ac3, %[temp1], %[cospi_16_64] \n\t"

439

440 "add %[step3_8], %[step2_8], %[step2_11] \n\t"

441 "add %[step3_9], %[step2_9], %[step2_10] \n\t"

442 "add %[step3_14], %[step2_13], %[step2_14] \n\t"

443 "add %[step3_15], %[step2_12], %[step2_15] \n\t"

444 "extp %[step3_10], $ac0, 31 \n\t"

445 "extp %[step3_13], $ac1, 31 \n\t"

446 "extp %[step3_11], $ac2, 31 \n\t"

447 "extp %[step3_12], $ac3, 31 \n\t"

448

449 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),

450 [step3_8] "=r" (step3_8), [step3_9] "=r" (step3_9),

451 [step3_10] "=r" (step3_10), [step3_11] "=r" (step3_11),

452 [step3_12] "=r" (step3_12), [step3_13] "=r" (step3_13),

453 [step3_14] "=r" (step3_14), [step3_15] "=r" (step3_15)

454 : [const_2_power_13] "r" (const_2_power_13), [step2_8] "r" (step2_8),

455 [step2_9] "r" (step2_9), [step2_10] "r" (step2_10),

456 [step2_11] "r" (step2_11), [step2_12] "r" (step2_12),

457 [step2_13] "r" (step2_13), [step2_14] "r" (step2_14),

458 [step2_15] "r" (step2_15), [cospi_16_64] "r" (cospi_16_64)

459 );

460

461 step2_18 = step1_17 - step1_18;

462 step2_29 = step1_30 - step1_29;

463

464 __asm__ __volatile__ (

465 "mtlo %[const_2_power_13], $ac0 \n\t"

466 "mthi $zero, $ac0 \n\t"

467 "msub $ac0, %[step2_18], %[cospi_8_64] \n\t"

468 "madd $ac0, %[step2_29], %[cospi_24_64] \n\t"

469 "extp %[step3_18], $ac0, 31 \n\t"

470

471 : [step3_18] "=r" (step3_18)

472 : [const_2_power_13] "r" (const_2_power_13),

473 [step2_18] "r" (step2_18), [step2_29] "r" (step2_29),

474 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64)

475 );

476

477 temp21 = step2_18 * cospi_24_64 + step2_29 * cospi_8_64;

478 step3_29 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;

479

480 step2_19 = step1_16 - step1_19;

481 step2_28 = step1_31 - step1_28;

482

483 __asm__ __volatile__ (

484 "mtlo %[const_2_power_13], $ac0 \n\t"

485 "mthi $zero, $ac0 \n\t"

486 "msub $ac0, %[step2_19], %[cospi_8_64] \n\t"

487 "madd $ac0, %[step2_28], %[cospi_24_64] \n\t"

488 "extp %[step3_19], $ac0, 31 \n\t"

489

490 : [step3_19] "=r" (step3_19)

491 : [const_2_power_13] "r" (const_2_power_13),

492 [step2_19] "r" (step2_19), [step2_28] "r" (step2_28),

493 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64)

494 );

495

496 temp21 = step2_19 * cospi_24_64 + step2_28 * cospi_8_64;

497 step3_28 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;

498

499 step3_16 = step1_16 + step1_19;

500 step3_17 = step1_17 + step1_18;

501 step3_30 = step1_29 + step1_30;

502 step3_31 = step1_28 + step1_31;

503

504 step2_20 = step1_23 - step1_20;

505 step2_27 = step1_24 - step1_27;

506

507 __asm__ __volatile__ (

508 "mtlo %[const_2_power_13], $ac0 \n\t"

509 "mthi $zero, $ac0 \n\t"

510 "msub $ac0, %[step2_20], %[cospi_24_64] \n\t"

511 "msub $ac0, %[step2_27], %[cospi_8_64] \n\t"

512 "extp %[step3_20], $ac0, 31 \n\t"

513

514 : [step3_20] "=r" (step3_20)

515 : [const_2_power_13] "r" (const_2_power_13),

516 [step2_20] "r" (step2_20), [step2_27] "r" (step2_27),

517 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64)

518 );

519

520 temp21 = -step2_20 * cospi_8_64 + step2_27 * cospi_24_64;

521 step3_27 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;

522

523 step2_21 = step1_22 - step1_21;

524 step2_26 = step1_25 - step1_26;

525

526 __asm__ __volatile__ (

527 "mtlo %[const_2_power_13], $ac1 \n\t"

528 "mthi $zero, $ac1 \n\t"

529 "msub $ac1, %[step2_21], %[cospi_24_64] \n\t"

530 "msub $ac1, %[step2_26], %[cospi_8_64] \n\t"

531 "extp %[step3_21], $ac1, 31 \n\t"

532

533 : [step3_21] "=r" (step3_21)

534 : [const_2_power_13] "r" (const_2_power_13),

535 [step2_21] "r" (step2_21), [step2_26] "r" (step2_26),

536 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64)

537 );

538

539 temp21 = -step2_21 * cospi_8_64 + step2_26 * cospi_24_64;

540 step3_26 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;

541

542 step3_22 = step1_21 + step1_22;

543 step3_23 = step1_20 + step1_23;

544 step3_24 = step1_24 + step1_27;

545 step3_25 = step1_25 + step1_26;

546

547 step2_16 = step3_16 + step3_23;

548 step2_17 = step3_17 + step3_22;

549 step2_18 = step3_18 + step3_21;

550 step2_19 = step3_19 + step3_20;

551 step2_20 = step3_19 - step3_20;

552 step2_21 = step3_18 - step3_21;

553 step2_22 = step3_17 - step3_22;

554 step2_23 = step3_16 - step3_23;

555

556 step2_24 = step3_31 - step3_24;

557 step2_25 = step3_30 - step3_25;

558 step2_26 = step3_29 - step3_26;

559 step2_27 = step3_28 - step3_27;

560 step2_28 = step3_28 + step3_27;

561 step2_29 = step3_29 + step3_26;

562 step2_30 = step3_30 + step3_25;

563 step2_31 = step3_31 + step3_24;

564

565 __asm__ __volatile__ (

566 "lh %[load1], 0(%[input]) \n\t"

567 "lh %[load2], 32(%[input]) \n\t"

568 "lh %[load3], 16(%[input]) \n\t"

569 "lh %[load4], 48(%[input]) \n\t"

570

571 "mtlo %[const_2_power_13], $ac1 \n\t"

572 "mthi $zero, $ac1 \n\t"

573 "mtlo %[const_2_power_13], $ac2 \n\t"

574 "mthi $zero, $ac2 \n\t"

575 "add %[result1], %[load1], %[load2] \n\t"

576 "sub %[result2], %[load1], %[load2] \n\t"

577 "madd $ac1, %[result1], %[cospi_16_64] \n\t"

578 "madd $ac2, %[result2], %[cospi_16_64] \n\t"

579 "extp %[temp0], $ac1, 31 \n\t"

580 "extp %[temp1], $ac2, 31 \n\t"

581

582 "mtlo %[const_2_power_13], $ac3 \n\t"

583 "mthi $zero, $ac3 \n\t"

584 "madd $ac3, %[load3], %[cospi_24_64] \n\t"

585 "msub $ac3, %[load4], %[cospi_8_64] \n\t"

586 "extp %[temp2], $ac3, 31 \n\t"

587 "mtlo %[const_2_power_13], $ac1 \n\t"

588 "mthi $zero, $ac1 \n\t"

589 "madd $ac1, %[load3], %[cospi_8_64] \n\t"

590 "madd $ac1, %[load4], %[cospi_24_64] \n\t"

591 "extp %[temp3], $ac1, 31 \n\t"

592 "add %[step1_0], %[temp0], %[temp3] \n\t"

593 "add %[step1_1], %[temp1], %[temp2] \n\t"

594 "sub %[step1_2], %[temp1], %[temp2] \n\t"

595 "sub %[step1_3], %[temp0], %[temp3] \n\t"

596

597 : [load1] "=&r" (load1), [load2] "=&r" (load2),

598 [load3] "=&r" (load3), [load4] "=&r" (load4),

599 [result1] "=&r" (result1), [result2] "=&r" (result2),

600 [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),

601 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),

602 [step1_0] "=r" (step1_0), [step1_1] "=r" (step1_1),

603 [step1_2] "=r" (step1_2), [step1_3] "=r" (step1_3)

604 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),

605 [cospi_24_64] "r" (cospi_24_64), [cospi_8_64] "r" (cospi_8_64),

606 [cospi_16_64] "r" (cospi_16_64)

607 );

608

609 __asm__ __volatile__ (

610 "lh %[load1], 8(%[input]) \n\t"

611 "lh %[load2], 56(%[input]) \n\t"

612 "lh %[load3], 40(%[input]) \n\t"

613 "lh %[load4], 24(%[input]) \n\t"

614

615 "mtlo %[const_2_power_13], $ac1 \n\t"

616 "mthi $zero, $ac1 \n\t"

617 "mtlo %[const_2_power_13], $ac3 \n\t"

618 "mthi $zero, $ac3 \n\t"

619

620 "madd $ac1, %[load1], %[cospi_28_64] \n\t"

621 "msub $ac1, %[load2], %[cospi_4_64] \n\t"

622 "extp %[temp0], $ac1, 31 \n\t"

623 "madd $ac3, %[load1], %[cospi_4_64] \n\t"

624 "madd $ac3, %[load2], %[cospi_28_64] \n\t"

625 "extp %[temp3], $ac3, 31 \n\t"

626

627 "mtlo %[const_2_power_13], $ac1 \n\t"

628 "mthi $zero, $ac1 \n\t"

629 "mtlo %[const_2_power_13], $ac2 \n\t"

630 "mthi $zero, $ac2 \n\t"

631

632 "madd $ac2, %[load3], %[cospi_12_64] \n\t"

633 "msub $ac2, %[load4], %[cospi_20_64] \n\t"

634 "extp %[temp1], $ac2, 31 \n\t"

635 "madd $ac1, %[load3], %[cospi_20_64] \n\t"

636 "madd $ac1, %[load4], %[cospi_12_64] \n\t"

637 "extp %[temp2], $ac1, 31 \n\t"

638

639 "mtlo %[const_2_power_13], $ac1 \n\t"

640 "mthi $zero, $ac1 \n\t"

641 "mtlo %[const_2_power_13], $ac3 \n\t"

642 "mthi $zero, $ac3 \n\t"

643

644 "sub %[load1], %[temp3], %[temp2] \n\t"

645 "sub %[load1], %[load1], %[temp0] \n\t"

646 "add %[load1], %[load1], %[temp1] \n\t"

647 "sub %[load2], %[temp0], %[temp1] \n\t"

648 "sub %[load2], %[load2], %[temp2] \n\t"

649 "add %[load2], %[load2], %[temp3] \n\t"

650 "madd $ac1, %[load1], %[cospi_16_64] \n\t"

651 "madd $ac3, %[load2], %[cospi_16_64] \n\t"

652

653 "extp %[step1_5], $ac1, 31 \n\t"

654 "extp %[step1_6], $ac3, 31 \n\t"

655 "add %[step1_4], %[temp0], %[temp1] \n\t"

656 "add %[step1_7], %[temp3], %[temp2] \n\t"

657

658 : [load1] "=&r" (load1), [load2] "=&r" (load2),

659 [load3] "=&r" (load3), [load4] "=&r" (load4),

660 [temp0] "=&r" (temp0), [temp1] "=&r" (temp1),

661 [temp2] "=&r" (temp2), [temp3] "=&r" (temp3),

662 [step1_4] "=r" (step1_4), [step1_5] "=r" (step1_5),

663 [step1_6] "=r" (step1_6), [step1_7] "=r" (step1_7)

664 : [const_2_power_13] "r" (const_2_power_13), [input] "r" (input),

665 [cospi_20_64] "r" (cospi_20_64), [cospi_12_64] "r" (cospi_12_64),

666 [cospi_4_64] "r" (cospi_4_64), [cospi_28_64] "r" (cospi_28_64),

667 [cospi_16_64] "r" (cospi_16_64)

668 );

669

670 step2_0 = step1_0 + step1_7;

671 step2_1 = step1_1 + step1_6;

672 step2_2 = step1_2 + step1_5;

673 step2_3 = step1_3 + step1_4;

674 step2_4 = step1_3 - step1_4;

675 step2_5 = step1_2 - step1_5;

676 step2_6 = step1_1 - step1_6;

677 step2_7 = step1_0 - step1_7;

678

679 // stage 7

680 step1_0 = step2_0 + step3_15;

681 step1_1 = step2_1 + step3_14;

682 step1_2 = step2_2 + step3_13;

683 step1_3 = step2_3 + step3_12;

684 step1_4 = step2_4 + step3_11;

685 step1_5 = step2_5 + step3_10;

686 step1_6 = step2_6 + step3_9;

687 step1_7 = step2_7 + step3_8;

688 step1_8 = step2_7 - step3_8;

689 step1_9 = step2_6 - step3_9;

690 step1_10 = step2_5 - step3_10;

691 step1_11 = step2_4 - step3_11;

692 step1_12 = step2_3 - step3_12;

693 step1_13 = step2_2 - step3_13;

694 step1_14 = step2_1 - step3_14;

695 step1_15 = step2_0 - step3_15;

696

697 __asm__ __volatile__ (

698 "sub %[temp0], %[step2_27], %[step2_20] \n\t"

699 "mtlo %[const_2_power_13], $ac0 \n\t"

700 "mthi $zero, $ac0 \n\t"

701 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"

702 "extp %[step1_20], $ac0, 31 \n\t"

703

704 : [temp0] "=&r" (temp0), [step1_20] "=r" (step1_20)

705 : [const_2_power_13] "r" (const_2_power_13), [step2_20] "r" (step2_20),

706 [step2_27] "r" (step2_27), [cospi_16_64] "r" (cospi_16_64)

707 );

708

709 temp21 = (step2_20 + step2_27) * cospi_16_64;

710 step1_27 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;

711

712 __asm__ __volatile__ (

713 "sub %[temp0], %[step2_26], %[step2_21] \n\t"

714 "mtlo %[const_2_power_13], $ac0 \n\t"

715 "mthi $zero, $ac0 \n\t"

716 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"

717 "extp %[step1_21], $ac0, 31 \n\t"

718

719 : [temp0] "=&r" (temp0), [step1_21] "=r" (step1_21)

720 : [const_2_power_13] "r" (const_2_power_13), [step2_26] "r" (step2_26),

721 [step2_21] "r" (step2_21), [cospi_16_64] "r" (cospi_16_64)

722 );

723

724 temp21 = (step2_21 + step2_26) * cospi_16_64;

725 step1_26 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;

726

727 __asm__ __volatile__ (

728 "sub %[temp0], %[step2_25], %[step2_22] \n\t"

729 "mtlo %[const_2_power_13], $ac0 \n\t"

730 "mthi $zero, $ac0 \n\t"

731 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"

732 "extp %[step1_22], $ac0, 31 \n\t"

733

734 : [temp0] "=&r" (temp0), [step1_22] "=r" (step1_22)

735 : [const_2_power_13] "r" (const_2_power_13), [step2_25] "r" (step2_25),

736 [step2_22] "r" (step2_22), [cospi_16_64] "r" (cospi_16_64)

737 );

738

739 temp21 = (step2_22 + step2_25) * cospi_16_64;

740 step1_25 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;

741

742 __asm__ __volatile__ (

743 "sub %[temp0], %[step2_24], %[step2_23] \n\t"

744 "mtlo %[const_2_power_13], $ac0 \n\t"

745 "mthi $zero, $ac0 \n\t"

746 "madd $ac0, %[temp0], %[cospi_16_64] \n\t"

747 "extp %[step1_23], $ac0, 31 \n\t"

748

749 : [temp0] "=&r" (temp0), [step1_23] "=r" (step1_23)

750 : [const_2_power_13] "r" (const_2_power_13), [step2_24] "r" (step2_24),

751 [step2_23] "r" (step2_23), [cospi_16_64] "r" (cospi_16_64)

752 );

753

754 temp21 = (step2_23 + step2_24) * cospi_16_64;

755 step1_24 = (temp21 + DCT_CONST_ROUNDING) >> DCT_CONST_BITS;

756

757 __asm__ __volatile__ (

758 "lbu %[temp2], 0(%[dest_pix]) \n\t"

759 "add %[temp0], %[step1_0], %[step2_31] \n\t"

760 "addi %[temp0], %[temp0], 32 \n\t"

761 "sra %[temp0], %[temp0], 6 \n\t"

762 "add %[temp2], %[temp2], %[temp0] \n\t"

763 "lbux %[temp0], %[temp2](%[cm]) \n\t"

764 "add %[temp1], %[step1_1], %[step2_30] \n\t"

765 "sb %[temp0], 0(%[dest_pix]) \n\t"

766 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

767 "lbu %[temp3], 0(%[dest_pix]) \n\t"

768 "addi %[temp1], %[temp1], 32 \n\t"

769 "sra %[temp1], %[temp1], 6 \n\t"

770 "add %[temp3], %[temp3], %[temp1] \n\t"

771 "lbux %[temp1], %[temp3](%[cm]) \n\t"

772 "sb %[temp1], 0(%[dest_pix]) \n\t"

773 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

774

775 "lbu %[temp2], 0(%[dest_pix]) \n\t"

776 "add %[temp0], %[step1_2], %[step2_29] \n\t"

777 "addi %[temp0], %[temp0], 32 \n\t"

778 "sra %[temp0], %[temp0], 6 \n\t"

779 "add %[temp2], %[temp2], %[temp0] \n\t"

780 "lbux %[temp0], %[temp2](%[cm]) \n\t"

781 "add %[temp1], %[step1_3], %[step2_28] \n\t"

782 "sb %[temp0], 0(%[dest_pix]) \n\t"

783 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

784 "lbu %[temp3], 0(%[dest_pix]) \n\t"

785 "addi %[temp1], %[temp1], 32 \n\t"

786 "sra %[temp1], %[temp1], 6 \n\t"

787 "add %[temp3], %[temp3], %[temp1] \n\t"

788 "lbux %[temp1], %[temp3](%[cm]) \n\t"

789 "sb %[temp1], 0(%[dest_pix]) \n\t"

790 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

791

792 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),

793 [temp3] "=&r" (temp3), [dest_pix] "+r" (dest_pix)

794 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),

795 [step1_0] "r" (step1_0), [step1_1] "r" (step1_1),

796 [step1_2] "r" (step1_2), [step1_3] "r" (step1_3),

797 [step2_28] "r" (step2_28), [step2_29] "r" (step2_29),

798 [step2_30] "r" (step2_30), [step2_31] "r" (step2_31)

799 );

800

801 step3_12 = ROUND_POWER_OF_TWO((step1_3 - step2_28), 6);

802 step3_13 = ROUND_POWER_OF_TWO((step1_2 - step2_29), 6);

803 step3_14 = ROUND_POWER_OF_TWO((step1_1 - step2_30), 6);

804 step3_15 = ROUND_POWER_OF_TWO((step1_0 - step2_31), 6);

805

806 __asm__ __volatile__ (

807 "lbu %[temp2], 0(%[dest_pix1]) \n\t"

808 "add %[temp2], %[temp2], %[step3_15] \n\t"

809 "lbux %[temp0], %[temp2](%[cm]) \n\t"

810 "sb %[temp0], 0(%[dest_pix1]) \n\t"

811 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

812 "lbu %[temp3], 0(%[dest_pix1]) \n\t"

813 "add %[temp3], %[temp3], %[step3_14] \n\t"

814 "lbux %[temp1], %[temp3](%[cm]) \n\t"

815 "sb %[temp1], 0(%[dest_pix1]) \n\t"

816 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

817

818 "lbu %[temp2], 0(%[dest_pix1]) \n\t"

819 "add %[temp2], %[temp2], %[step3_13] \n\t"

820 "lbux %[temp0], %[temp2](%[cm]) \n\t"

821 "sb %[temp0], 0(%[dest_pix1]) \n\t"

822 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

823 "lbu %[temp3], 0(%[dest_pix1]) \n\t"

824 "add %[temp3], %[temp3], %[step3_12] \n\t"

825 "lbux %[temp1], %[temp3](%[cm]) \n\t"

826 "sb %[temp1], 0(%[dest_pix1]) \n\t"

827 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

828

829 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),

830 [temp3] "=&r" (temp3), [dest_pix1] "+r" (dest_pix1)

831 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),

832 [step3_12] "r" (step3_12), [step3_13] "r" (step3_13),

833 [step3_14] "r" (step3_14), [step3_15] "r" (step3_15)

834 );

835

836 __asm__ __volatile__ (

837 "lbu %[temp2], 0(%[dest_pix]) \n\t"

838 "add %[temp0], %[step1_4], %[step1_27] \n\t"

839 "addi %[temp0], %[temp0], 32 \n\t"

840 "sra %[temp0], %[temp0], 6 \n\t"

841 "add %[temp2], %[temp2], %[temp0] \n\t"

842 "lbux %[temp0], %[temp2](%[cm]) \n\t"

843 "add %[temp1], %[step1_5], %[step1_26] \n\t"

844 "sb %[temp0], 0(%[dest_pix]) \n\t"

845 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

846 "lbu %[temp3], 0(%[dest_pix]) \n\t"

847 "addi %[temp1], %[temp1], 32 \n\t"

848 "sra %[temp1], %[temp1], 6 \n\t"

849 "add %[temp3], %[temp3], %[temp1] \n\t"

850 "lbux %[temp1], %[temp3](%[cm]) \n\t"

851 "sb %[temp1], 0(%[dest_pix]) \n\t"

852 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

853

854 "lbu %[temp2], 0(%[dest_pix]) \n\t"

855 "add %[temp0], %[step1_6], %[step1_25] \n\t"

856 "addi %[temp0], %[temp0], 32 \n\t"

857 "sra %[temp0], %[temp0], 6 \n\t"

858 "add %[temp2], %[temp2], %[temp0] \n\t"

859 "lbux %[temp0], %[temp2](%[cm]) \n\t"

860 "add %[temp1], %[step1_7], %[step1_24] \n\t"

861 "sb %[temp0], 0(%[dest_pix]) \n\t"

862 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

863 "lbu %[temp3], 0(%[dest_pix]) \n\t"

864 "addi %[temp1], %[temp1], 32 \n\t"

865 "sra %[temp1], %[temp1], 6 \n\t"

866 "add %[temp3], %[temp3], %[temp1] \n\t"

867 "lbux %[temp1], %[temp3](%[cm]) \n\t"

868 "sb %[temp1], 0(%[dest_pix]) \n\t"

869 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

870

871 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),

872 [temp3] "=&r" (temp3), [dest_pix] "+r" (dest_pix)

873 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),

874 [step1_4] "r" (step1_4), [step1_5] "r" (step1_5),

875 [step1_6] "r" (step1_6), [step1_7] "r" (step1_7),

876 [step1_24] "r" (step1_24), [step1_25] "r" (step1_25),

877 [step1_26] "r" (step1_26), [step1_27] "r" (step1_27)

878 );

879

880 step3_12 = ROUND_POWER_OF_TWO((step1_7 - step1_24), 6);

881 step3_13 = ROUND_POWER_OF_TWO((step1_6 - step1_25), 6);

882 step3_14 = ROUND_POWER_OF_TWO((step1_5 - step1_26), 6);

883 step3_15 = ROUND_POWER_OF_TWO((step1_4 - step1_27), 6);

884

885 __asm__ __volatile__ (

886 "lbu %[temp2], 0(%[dest_pix1]) \n\t"

887 "add %[temp2], %[temp2], %[step3_15] \n\t"

888 "lbux %[temp0], %[temp2](%[cm]) \n\t"

889 "sb %[temp0], 0(%[dest_pix1]) \n\t"

890 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

891 "lbu %[temp3], 0(%[dest_pix1]) \n\t"

892 "add %[temp3], %[temp3], %[step3_14] \n\t"

893 "lbux %[temp1], %[temp3](%[cm]) \n\t"

894 "sb %[temp1], 0(%[dest_pix1]) \n\t"

895 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

896

897 "lbu %[temp2], 0(%[dest_pix1]) \n\t"

898 "add %[temp2], %[temp2], %[step3_13] \n\t"

899 "lbux %[temp0], %[temp2](%[cm]) \n\t"

900 "sb %[temp0], 0(%[dest_pix1]) \n\t"

901 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

902 "lbu %[temp3], 0(%[dest_pix1]) \n\t"

903 "add %[temp3], %[temp3], %[step3_12] \n\t"

904 "lbux %[temp1], %[temp3](%[cm]) \n\t"

905 "sb %[temp1], 0(%[dest_pix1]) \n\t"

906 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

907

908 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),

909 [temp3] "=&r" (temp3), [dest_pix1] "+r" (dest_pix1)

910 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),

911 [step3_12] "r" (step3_12), [step3_13] "r" (step3_13),

912 [step3_14] "r" (step3_14), [step3_15] "r" (step3_15)

913 );

914

915 __asm__ __volatile__ (

916 "lbu %[temp2], 0(%[dest_pix]) \n\t"

917 "add %[temp0], %[step1_8], %[step1_23] \n\t"

918 "addi %[temp0], %[temp0], 32 \n\t"

919 "sra %[temp0], %[temp0], 6 \n\t"

920 "add %[temp2], %[temp2], %[temp0] \n\t"

921 "lbux %[temp0], %[temp2](%[cm]) \n\t"

922 "add %[temp1], %[step1_9], %[step1_22] \n\t"

923 "sb %[temp0], 0(%[dest_pix]) \n\t"

924 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

925 "lbu %[temp3], 0(%[dest_pix]) \n\t"

926 "addi %[temp1], %[temp1], 32 \n\t"

927 "sra %[temp1], %[temp1], 6 \n\t"

928 "add %[temp3], %[temp3], %[temp1] \n\t"

929 "lbux %[temp1], %[temp3](%[cm]) \n\t"

930 "sb %[temp1], 0(%[dest_pix]) \n\t"

931 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

932

933 "lbu %[temp2], 0(%[dest_pix]) \n\t"

934 "add %[temp0], %[step1_10], %[step1_21] \n\t"

935 "addi %[temp0], %[temp0], 32 \n\t"

936 "sra %[temp0], %[temp0], 6 \n\t"

937 "add %[temp2], %[temp2], %[temp0] \n\t"

938 "lbux %[temp0], %[temp2](%[cm]) \n\t"

939 "add %[temp1], %[step1_11], %[step1_20] \n\t"

940 "sb %[temp0], 0(%[dest_pix]) \n\t"

941 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

942 "lbu %[temp3], 0(%[dest_pix]) \n\t"

943 "addi %[temp1], %[temp1], 32 \n\t"

944 "sra %[temp1], %[temp1], 6 \n\t"

945 "add %[temp3], %[temp3], %[temp1] \n\t"

946 "lbux %[temp1], %[temp3](%[cm]) \n\t"

947 "sb %[temp1], 0(%[dest_pix]) \n\t"

948 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

949

950 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),

951 [temp3] "=&r" (temp3), [dest_pix] "+r" (dest_pix)

952 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),

953 [step1_8] "r" (step1_8), [step1_9] "r" (step1_9),

954 [step1_10] "r" (step1_10), [step1_11] "r" (step1_11),

955 [step1_20] "r" (step1_20), [step1_21] "r" (step1_21),

956 [step1_22] "r" (step1_22), [step1_23] "r" (step1_23)

957 );

958

959 step3_12 = ROUND_POWER_OF_TWO((step1_11 - step1_20), 6);

960 step3_13 = ROUND_POWER_OF_TWO((step1_10 - step1_21), 6);

961 step3_14 = ROUND_POWER_OF_TWO((step1_9 - step1_22), 6);

962 step3_15 = ROUND_POWER_OF_TWO((step1_8 - step1_23), 6);

963

964 __asm__ __volatile__ (

965 "lbu %[temp2], 0(%[dest_pix1]) \n\t"

966 "add %[temp2], %[temp2], %[step3_15] \n\t"

967 "lbux %[temp0], %[temp2](%[cm]) \n\t"

968 "sb %[temp0], 0(%[dest_pix1]) \n\t"

969 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

970 "lbu %[temp3], 0(%[dest_pix1]) \n\t"

971 "add %[temp3], %[temp3], %[step3_14] \n\t"

972 "lbux %[temp1], %[temp3](%[cm]) \n\t"

973 "sb %[temp1], 0(%[dest_pix1]) \n\t"

974 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

975

976 "lbu %[temp2], 0(%[dest_pix1]) \n\t"

977 "add %[temp2], %[temp2], %[step3_13] \n\t"

978 "lbux %[temp0], %[temp2](%[cm]) \n\t"

979 "sb %[temp0], 0(%[dest_pix1]) \n\t"

980 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

981 "lbu %[temp3], 0(%[dest_pix1]) \n\t"

982 "add %[temp3], %[temp3], %[step3_12] \n\t"

983 "lbux %[temp1], %[temp3](%[cm]) \n\t"

984 "sb %[temp1], 0(%[dest_pix1]) \n\t"

985 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

986

987 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),

988 [temp3] "=&r" (temp3), [dest_pix1] "+r" (dest_pix1)

989 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),

990 [step3_12] "r" (step3_12), [step3_13] "r" (step3_13),

991 [step3_14] "r" (step3_14), [step3_15] "r" (step3_15)

992 );

993

994 __asm__ __volatile__ (

995 "lbu %[temp2], 0(%[dest_pix]) \n\t"

996 "add %[temp0], %[step1_12], %[step2_19] \n\t"

997 "addi %[temp0], %[temp0], 32 \n\t"

998 "sra %[temp0], %[temp0], 6 \n\t"

999 "add %[temp2], %[temp2], %[temp0] \n\t"

1000 "lbux %[temp0], %[temp2](%[cm]) \n\t"

1001 "add %[temp1], %[step1_13], %[step2_18] \n\t"

1002 "sb %[temp0], 0(%[dest_pix]) \n\t"

1003 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

1004 "lbu %[temp3], 0(%[dest_pix]) \n\t"

1005 "addi %[temp1], %[temp1], 32 \n\t"

1006 "sra %[temp1], %[temp1], 6 \n\t"

1007 "add %[temp3], %[temp3], %[temp1] \n\t"

1008 "lbux %[temp1], %[temp3](%[cm]) \n\t"

1009 "sb %[temp1], 0(%[dest_pix]) \n\t"

1010 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

1011

1012 "lbu %[temp2], 0(%[dest_pix]) \n\t"

1013 "add %[temp0], %[step1_14], %[step2_17] \n\t"

1014 "addi %[temp0], %[temp0], 32 \n\t"

1015 "sra %[temp0], %[temp0], 6 \n\t"

1016 "add %[temp2], %[temp2], %[temp0] \n\t"

1017 "lbux %[temp0], %[temp2](%[cm]) \n\t"

1018 "add %[temp1], %[step1_15], %[step2_16] \n\t"

1019 "sb %[temp0], 0(%[dest_pix]) \n\t"

1020 "addu %[dest_pix], %[dest_pix], %[dest_stride] \n\t"

1021 "lbu %[temp3], 0(%[dest_pix]) \n\t"

1022 "addi %[temp1], %[temp1], 32 \n\t"

1023 "sra %[temp1], %[temp1], 6 \n\t"

1024 "add %[temp3], %[temp3], %[temp1] \n\t"

1025 "lbux %[temp1], %[temp3](%[cm]) \n\t"

1026 "sb %[temp1], 0(%[dest_pix]) \n\t"

1027

1028 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),

1029 [temp3] "=&r" (temp3), [dest_pix] "+r" (dest_pix)

1030 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),

1031 [step1_12] "r" (step1_12), [step1_13] "r" (step1_13),

1032 [step1_14] "r" (step1_14), [step1_15] "r" (step1_15),

1033 [step2_16] "r" (step2_16), [step2_17] "r" (step2_17),

1034 [step2_18] "r" (step2_18), [step2_19] "r" (step2_19)

1035 );

1036

1037 step3_12 = ROUND_POWER_OF_TWO((step1_15 - step2_16), 6);

1038 step3_13 = ROUND_POWER_OF_TWO((step1_14 - step2_17), 6);

1039 step3_14 = ROUND_POWER_OF_TWO((step1_13 - step2_18), 6);

1040 step3_15 = ROUND_POWER_OF_TWO((step1_12 - step2_19), 6);

1041

1042 __asm__ __volatile__ (

1043 "lbu %[temp2], 0(%[dest_pix1]) \n\t"

1044 "add %[temp2], %[temp2], %[step3_15] \n\t"

1045 "lbux %[temp0], %[temp2](%[cm]) \n\t"

1046 "sb %[temp0], 0(%[dest_pix1]) \n\t"

1047 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

1048 "lbu %[temp3], 0(%[dest_pix1]) \n\t"

1049 "add %[temp3], %[temp3], %[step3_14] \n\t"

1050 "lbux %[temp1], %[temp3](%[cm]) \n\t"

1051 "sb %[temp1], 0(%[dest_pix1]) \n\t"

1052 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

1053

1054 "lbu %[temp2], 0(%[dest_pix1]) \n\t"

1055 "add %[temp2], %[temp2], %[step3_13] \n\t"

1056 "lbux %[temp0], %[temp2](%[cm]) \n\t"

1057 "sb %[temp0], 0(%[dest_pix1]) \n\t"

1058 "subu %[dest_pix1], %[dest_pix1], %[dest_stride] \n\t"

1059 "lbu %[temp3], 0(%[dest_pix1]) \n\t"

1060 "add %[temp3], %[temp3], %[step3_12] \n\t"

1061 "lbux %[temp1], %[temp3](%[cm]) \n\t"

1062 "sb %[temp1], 0(%[dest_pix1]) \n\t"

1063

1064 : [temp0] "=&r" (temp0), [temp1] "=&r" (temp1), [temp2] "=&r" (temp2),

1065 [temp3] "=&r" (temp3), [dest_pix1] "+r" (dest_pix1)

1066 : [cm] "r" (cm), [dest_stride] "r" (dest_stride),

1067 [step3_12] "r" (step3_12), [step3_13] "r" (step3_13),

1068 [step3_14] "r" (step3_14), [step3_15] "r" (step3_15)

1069 );

1070

1071 input += 32;

1072 }

1073 }

1074 #endif // #if HAVE_DSPR2

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