simd/ji3dnflt.asm - Issue 1953443002: Update to libjpeg_turbo 1.4.90

Side by Side Diff: simd/ji3dnflt.asm

Issue 1953443002: Update to libjpeg_turbo 1.4.90 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master

Patch Set: Created 4 years, 7 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View unified diff | Download patch

OLD	NEW
	(Empty)
1 ;

2 ; ji3dnflt.asm - floating-point IDCT (3DNow! & MMX)

3 ;

4 ; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB

5 ;

6 ; Based on

7 ; x86 SIMD extension for IJG JPEG library

8 ; Copyright (C) 1999-2006, MIYASAKA Masaru.

9 ; For conditions of distribution and use, see copyright notice in jsimdext.inc

10 ;

11 ; This file should be assembled with NASM (Netwide Assembler),

12 ; can not be assembled with Microsoft's MASM or any compatible

13 ; assembler (including Borland's Turbo Assembler).

14 ; NASM is available from http://nasm.sourceforge.net/ or

15 ; http://sourceforge.net/project/showfiles.php?group_id=6208

16 ;

17 ; This file contains a floating-point implementation of the inverse DCT

18 ; (Discrete Cosine Transform). The following code is based directly on

19 ; the IJG's original jidctflt.c; see the jidctflt.c for more details.

20 ;

21 ; [TAB8]

22

23 %include "jsimdext.inc"

24 %include "jdct.inc"

25

26 ; --------------------------------------------------------------------------

27 SECTION SEG_CONST

28

29 alignz 16

30 global EXTN(jconst_idct_float_3dnow) PRIVATE

31

32 EXTN(jconst_idct_float_3dnow):

33

34 PD_1_414 times 2 dd 1.414213562373095048801689

35 PD_1_847 times 2 dd 1.847759065022573512256366

36 PD_1_082 times 2 dd 1.082392200292393968799446

37 PD_2_613 times 2 dd 2.613125929752753055713286

38 PD_RNDINT_MAGIC times 2 dd 100663296.0 ; (float)(0x00C00000 << 3)

39 PB_CENTERJSAMP times 8 db CENTERJSAMPLE

40

41 alignz 16

42

43 ; --------------------------------------------------------------------------

44 SECTION SEG_TEXT

45 BITS 32

46 ;

47 ; Perform dequantization and inverse DCT on one block of coefficients.

48 ;

49 ; GLOBAL(void)

50 ; jsimd_idct_float_3dnow (void * dct_table, JCOEFPTR coef_block,

51 ; JSAMPARRAY output_buf, JDIMENSION output_col)

52 ;

53

54 %define dct_table(b) (b)+8 ; void * dct_table

55 %define coef_block(b) (b)+12 ; JCOEFPTR coef_block

56 %define output_buf(b) (b)+16 ; JSAMPARRAY output_buf

57 %define output_col(b) (b)+20 ; JDIMENSION output_col

58

59 %define original_ebp ebp+0

60 %define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM]

61 %define WK_NUM 2

62 %define workspace wk(0)-DCTSIZE2*SIZEOF_FAST_FLOAT

63 ; FAST_FLOAT workspace[DCTSIZE2]

64

65 align 16

66 global EXTN(jsimd_idct_float_3dnow) PRIVATE

67

68 EXTN(jsimd_idct_float_3dnow):

69 push ebp

70 mov eax,esp ; eax = original ebp

71 sub esp, byte 4

72 and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits

73 mov [esp],eax

74 mov ebp,esp ; ebp = aligned ebp

75 lea esp, [workspace]

76 push ebx

77 ; push ecx ; need not be preserved

78 ; push edx ; need not be preserved

79 push esi

80 push edi

81

82 get_GOT ebx ; get GOT address

83

84 ; ---- Pass 1: process columns from input, store into work array.

85

86 ; mov eax, [original_ebp]

87 mov edx, POINTER [dct_table(eax)] ; quantptr

88 mov esi, JCOEFPTR [coef_block(eax)] ; inptr

89 lea edi, [workspace] ; FAST_FLOAT * wsptr

90 mov ecx, DCTSIZE/2 ; ctr

91 alignx 16,7

92 .columnloop:

93 %ifndef NO_ZERO_COLUMN_TEST_FLOAT_3DNOW

94 mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)]

95 or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)]

96 jnz short .columnDCT

97

98 pushpic ebx ; save GOT address

99 mov ebx, DWORD [DWBLOCK(3,0,esi,SIZEOF_JCOEF)]

100 mov eax, DWORD [DWBLOCK(4,0,esi,SIZEOF_JCOEF)]

101 or ebx, DWORD [DWBLOCK(5,0,esi,SIZEOF_JCOEF)]

102 or eax, DWORD [DWBLOCK(6,0,esi,SIZEOF_JCOEF)]

103 or ebx, DWORD [DWBLOCK(7,0,esi,SIZEOF_JCOEF)]

104 or eax,ebx

105 poppic ebx ; restore GOT address

106 jnz short .columnDCT

107

108 ; -- AC terms all zero

109

110 movd mm0, DWORD [DWBLOCK(0,0,esi,SIZEOF_JCOEF)]

111

112 punpcklwd mm0,mm0

113 psrad mm0,(DWORD_BIT-WORD_BIT)

114 pi2fd mm0,mm0

115

116 pfmul mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)]

117

118 movq mm1,mm0

119 punpckldq mm0,mm0

120 punpckhdq mm1,mm1

121

122 movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], mm0

123 movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], mm0

124 movq MMWORD [MMBLOCK(0,2,edi,SIZEOF_FAST_FLOAT)], mm0

125 movq MMWORD [MMBLOCK(0,3,edi,SIZEOF_FAST_FLOAT)], mm0

126 movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], mm1

127 movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], mm1

128 movq MMWORD [MMBLOCK(1,2,edi,SIZEOF_FAST_FLOAT)], mm1

129 movq MMWORD [MMBLOCK(1,3,edi,SIZEOF_FAST_FLOAT)], mm1

130 jmp near .nextcolumn

131 alignx 16,7

132 %endif

133 .columnDCT:

134

135 ; -- Even part

136

137 movd mm0, DWORD [DWBLOCK(0,0,esi,SIZEOF_JCOEF)]

138 movd mm1, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)]

139 movd mm2, DWORD [DWBLOCK(4,0,esi,SIZEOF_JCOEF)]

140 movd mm3, DWORD [DWBLOCK(6,0,esi,SIZEOF_JCOEF)]

141

142 punpcklwd mm0,mm0

143 punpcklwd mm1,mm1

144 psrad mm0,(DWORD_BIT-WORD_BIT)

145 psrad mm1,(DWORD_BIT-WORD_BIT)

146 pi2fd mm0,mm0

147 pi2fd mm1,mm1

148

149 pfmul mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)]

150 pfmul mm1, MMWORD [MMBLOCK(2,0,edx,SIZEOF_FLOAT_MULT_TYPE)]

151

152 punpcklwd mm2,mm2

153 punpcklwd mm3,mm3

154 psrad mm2,(DWORD_BIT-WORD_BIT)

155 psrad mm3,(DWORD_BIT-WORD_BIT)

156 pi2fd mm2,mm2

157 pi2fd mm3,mm3

158

159 pfmul mm2, MMWORD [MMBLOCK(4,0,edx,SIZEOF_FLOAT_MULT_TYPE)]

160 pfmul mm3, MMWORD [MMBLOCK(6,0,edx,SIZEOF_FLOAT_MULT_TYPE)]

161

162 movq mm4,mm0

163 movq mm5,mm1

164 pfsub mm0,mm2 ; mm0=tmp11

165 pfsub mm1,mm3

166 pfadd mm4,mm2 ; mm4=tmp10

167 pfadd mm5,mm3 ; mm5=tmp13

168

169 pfmul mm1,[GOTOFF(ebx,PD_1_414)]

170 pfsub mm1,mm5 ; mm1=tmp12

171

172 movq mm6,mm4

173 movq mm7,mm0

174 pfsub mm4,mm5 ; mm4=tmp3

175 pfsub mm0,mm1 ; mm0=tmp2

176 pfadd mm6,mm5 ; mm6=tmp0

177 pfadd mm7,mm1 ; mm7=tmp1

178

179 movq MMWORD [wk(1)], mm4 ; tmp3

180 movq MMWORD [wk(0)], mm0 ; tmp2

181

182 ; -- Odd part

183

184 movd mm2, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)]

185 movd mm3, DWORD [DWBLOCK(3,0,esi,SIZEOF_JCOEF)]

186 movd mm5, DWORD [DWBLOCK(5,0,esi,SIZEOF_JCOEF)]

187 movd mm1, DWORD [DWBLOCK(7,0,esi,SIZEOF_JCOEF)]

188

189 punpcklwd mm2,mm2

190 punpcklwd mm3,mm3

191 psrad mm2,(DWORD_BIT-WORD_BIT)

192 psrad mm3,(DWORD_BIT-WORD_BIT)

193 pi2fd mm2,mm2

194 pi2fd mm3,mm3

195

196 pfmul mm2, MMWORD [MMBLOCK(1,0,edx,SIZEOF_FLOAT_MULT_TYPE)]

197 pfmul mm3, MMWORD [MMBLOCK(3,0,edx,SIZEOF_FLOAT_MULT_TYPE)]

198

199 punpcklwd mm5,mm5

200 punpcklwd mm1,mm1

201 psrad mm5,(DWORD_BIT-WORD_BIT)

202 psrad mm1,(DWORD_BIT-WORD_BIT)

203 pi2fd mm5,mm5

204 pi2fd mm1,mm1

205

206 pfmul mm5, MMWORD [MMBLOCK(5,0,edx,SIZEOF_FLOAT_MULT_TYPE)]

207 pfmul mm1, MMWORD [MMBLOCK(7,0,edx,SIZEOF_FLOAT_MULT_TYPE)]

208

209 movq mm4,mm2

210 movq mm0,mm5

211 pfadd mm2,mm1 ; mm2=z11

212 pfadd mm5,mm3 ; mm5=z13

213 pfsub mm4,mm1 ; mm4=z12

214 pfsub mm0,mm3 ; mm0=z10

215

216 movq mm1,mm2

217 pfsub mm2,mm5

218 pfadd mm1,mm5 ; mm1=tmp7

219

220 pfmul mm2,[GOTOFF(ebx,PD_1_414)] ; mm2=tmp11

221

222 movq mm3,mm0

223 pfadd mm0,mm4

224 pfmul mm0,[GOTOFF(ebx,PD_1_847)] ; mm0=z5

225 pfmul mm3,[GOTOFF(ebx,PD_2_613)] ; mm3=(z10 * 2.613125930)

226 pfmul mm4,[GOTOFF(ebx,PD_1_082)] ; mm4=(z12 * 1.082392200)

227 pfsubr mm3,mm0 ; mm3=tmp12

228 pfsub mm4,mm0 ; mm4=tmp10

229

230 ; -- Final output stage

231

232 pfsub mm3,mm1 ; mm3=tmp6

233 movq mm5,mm6

234 movq mm0,mm7

235 pfadd mm6,mm1 ; mm6=data0=(00 01)

236 pfadd mm7,mm3 ; mm7=data1=(10 11)

237 pfsub mm5,mm1 ; mm5=data7=(70 71)

238 pfsub mm0,mm3 ; mm0=data6=(60 61)

239 pfsub mm2,mm3 ; mm2=tmp5

240

241 movq mm1,mm6 ; transpose coefficients

242 punpckldq mm6,mm7 ; mm6=(00 10)

243 punpckhdq mm1,mm7 ; mm1=(01 11)

244 movq mm3,mm0 ; transpose coefficients

245 punpckldq mm0,mm5 ; mm0=(60 70)

246 punpckhdq mm3,mm5 ; mm3=(61 71)

247

248 movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], mm6

249 movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], mm1

250 movq MMWORD [MMBLOCK(0,3,edi,SIZEOF_FAST_FLOAT)], mm0

251 movq MMWORD [MMBLOCK(1,3,edi,SIZEOF_FAST_FLOAT)], mm3

252

253 movq mm7, MMWORD [wk(0)] ; mm7=tmp2

254 movq mm5, MMWORD [wk(1)] ; mm5=tmp3

255

256 pfadd mm4,mm2 ; mm4=tmp4

257 movq mm6,mm7

258 movq mm1,mm5

259 pfadd mm7,mm2 ; mm7=data2=(20 21)

260 pfadd mm5,mm4 ; mm5=data4=(40 41)

261 pfsub mm6,mm2 ; mm6=data5=(50 51)

262 pfsub mm1,mm4 ; mm1=data3=(30 31)

263

264 movq mm0,mm7 ; transpose coefficients

265 punpckldq mm7,mm1 ; mm7=(20 30)

266 punpckhdq mm0,mm1 ; mm0=(21 31)

267 movq mm3,mm5 ; transpose coefficients

268 punpckldq mm5,mm6 ; mm5=(40 50)

269 punpckhdq mm3,mm6 ; mm3=(41 51)

270

271 movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], mm7

272 movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], mm0

273 movq MMWORD [MMBLOCK(0,2,edi,SIZEOF_FAST_FLOAT)], mm5

274 movq MMWORD [MMBLOCK(1,2,edi,SIZEOF_FAST_FLOAT)], mm3

275

276 .nextcolumn:

277 add esi, byte 2*SIZEOF_JCOEF ; coef_block

278 add edx, byte 2*SIZEOF_FLOAT_MULT_TYPE ; quantptr

279 add edi, byte 2DCTSIZESIZEOF_FAST_FLOAT ; wsptr

280 dec ecx ; ctr

281 jnz near .columnloop

282

283 ; -- Prefetch the next coefficient block

284

285 prefetch [esi + (DCTSIZE2-8)SIZEOF_JCOEF + 032]

286 prefetch [esi + (DCTSIZE2-8)SIZEOF_JCOEF + 132]

287 prefetch [esi + (DCTSIZE2-8)SIZEOF_JCOEF + 232]

288 prefetch [esi + (DCTSIZE2-8)SIZEOF_JCOEF + 332]

289

290 ; ---- Pass 2: process rows from work array, store into output array.

291

292 mov eax, [original_ebp]

293 lea esi, [workspace] ; FAST_FLOAT * wsptr

294 mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *)

295 mov eax, JDIMENSION [output_col(eax)]

296 mov ecx, DCTSIZE/2 ; ctr

297 alignx 16,7

298 .rowloop:

299

300 ; -- Even part

301

302 movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_FAST_FLOAT)]

303 movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_FAST_FLOAT)]

304 movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_FAST_FLOAT)]

305 movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_FAST_FLOAT)]

306

307 movq mm4,mm0

308 movq mm5,mm1

309 pfsub mm0,mm2 ; mm0=tmp11

310 pfsub mm1,mm3

311 pfadd mm4,mm2 ; mm4=tmp10

312 pfadd mm5,mm3 ; mm5=tmp13

313

314 pfmul mm1,[GOTOFF(ebx,PD_1_414)]

315 pfsub mm1,mm5 ; mm1=tmp12

316

317 movq mm6,mm4

318 movq mm7,mm0

319 pfsub mm4,mm5 ; mm4=tmp3

320 pfsub mm0,mm1 ; mm0=tmp2

321 pfadd mm6,mm5 ; mm6=tmp0

322 pfadd mm7,mm1 ; mm7=tmp1

323

324 movq MMWORD [wk(1)], mm4 ; tmp3

325 movq MMWORD [wk(0)], mm0 ; tmp2

326

327 ; -- Odd part

328

329 movq mm2, MMWORD [MMBLOCK(1,0,esi,SIZEOF_FAST_FLOAT)]

330 movq mm3, MMWORD [MMBLOCK(3,0,esi,SIZEOF_FAST_FLOAT)]

331 movq mm5, MMWORD [MMBLOCK(5,0,esi,SIZEOF_FAST_FLOAT)]

332 movq mm1, MMWORD [MMBLOCK(7,0,esi,SIZEOF_FAST_FLOAT)]

333

334 movq mm4,mm2

335 movq mm0,mm5

336 pfadd mm2,mm1 ; mm2=z11

337 pfadd mm5,mm3 ; mm5=z13

338 pfsub mm4,mm1 ; mm4=z12

339 pfsub mm0,mm3 ; mm0=z10

340

341 movq mm1,mm2

342 pfsub mm2,mm5

343 pfadd mm1,mm5 ; mm1=tmp7

344

345 pfmul mm2,[GOTOFF(ebx,PD_1_414)] ; mm2=tmp11

346

347 movq mm3,mm0

348 pfadd mm0,mm4

349 pfmul mm0,[GOTOFF(ebx,PD_1_847)] ; mm0=z5

350 pfmul mm3,[GOTOFF(ebx,PD_2_613)] ; mm3=(z10 * 2.613125930)

351 pfmul mm4,[GOTOFF(ebx,PD_1_082)] ; mm4=(z12 * 1.082392200)

352 pfsubr mm3,mm0 ; mm3=tmp12

353 pfsub mm4,mm0 ; mm4=tmp10

354

355 ; -- Final output stage

356

357 pfsub mm3,mm1 ; mm3=tmp6

358 movq mm5,mm6

359 movq mm0,mm7

360 pfadd mm6,mm1 ; mm6=data0=(00 10)

361 pfadd mm7,mm3 ; mm7=data1=(01 11)

362 pfsub mm5,mm1 ; mm5=data7=(07 17)

363 pfsub mm0,mm3 ; mm0=data6=(06 16)

364 pfsub mm2,mm3 ; mm2=tmp5

365

366 movq mm1,[GOTOFF(ebx,PD_RNDINT_MAGIC)] ; mm1=[PD_RNDINT_MAGIC]

367 pcmpeqd mm3,mm3

368 psrld mm3,WORD_BIT ; mm3={0xFFFF 0x0000 0xFFFF 0x0000}

369

370 pfadd mm6,mm1 ; mm6=roundint(data0/8)=(00 10 )

371 pfadd mm7,mm1 ; mm7=roundint(data1/8)=(01 11 )

372 pfadd mm0,mm1 ; mm0=roundint(data6/8)=(06 16 )

373 pfadd mm5,mm1 ; mm5=roundint(data7/8)=(07 17 )

374

375 pand mm6,mm3 ; mm6=(00 -- 10 --)

376 pslld mm7,WORD_BIT ; mm7=(-- 01 -- 11)

377 pand mm0,mm3 ; mm0=(06 -- 16 --)

378 pslld mm5,WORD_BIT ; mm5=(-- 07 -- 17)

379 por mm6,mm7 ; mm6=(00 01 10 11)

380 por mm0,mm5 ; mm0=(06 07 16 17)

381

382 movq mm1, MMWORD [wk(0)] ; mm1=tmp2

383 movq mm3, MMWORD [wk(1)] ; mm3=tmp3

384

385 pfadd mm4,mm2 ; mm4=tmp4

386 movq mm7,mm1

387 movq mm5,mm3

388 pfadd mm1,mm2 ; mm1=data2=(02 12)

389 pfadd mm3,mm4 ; mm3=data4=(04 14)

390 pfsub mm7,mm2 ; mm7=data5=(05 15)

391 pfsub mm5,mm4 ; mm5=data3=(03 13)

392

393 movq mm2,[GOTOFF(ebx,PD_RNDINT_MAGIC)] ; mm2=[PD_RNDINT_MAGIC]

394 pcmpeqd mm4,mm4

395 psrld mm4,WORD_BIT ; mm4={0xFFFF 0x0000 0xFFFF 0x0000}

396

397 pfadd mm3,mm2 ; mm3=roundint(data4/8)=(04 14 )

398 pfadd mm7,mm2 ; mm7=roundint(data5/8)=(05 15 )

399 pfadd mm1,mm2 ; mm1=roundint(data2/8)=(02 12 )

400 pfadd mm5,mm2 ; mm5=roundint(data3/8)=(03 13 )

401

402 pand mm3,mm4 ; mm3=(04 -- 14 --)

403 pslld mm7,WORD_BIT ; mm7=(-- 05 -- 15)

404 pand mm1,mm4 ; mm1=(02 -- 12 --)

405 pslld mm5,WORD_BIT ; mm5=(-- 03 -- 13)

406 por mm3,mm7 ; mm3=(04 05 14 15)

407 por mm1,mm5 ; mm1=(02 03 12 13)

408

409 movq mm2,[GOTOFF(ebx,PB_CENTERJSAMP)] ; mm2=[PB_CENTERJSAMP]

410

411 packsswb mm6,mm3 ; mm6=(00 01 10 11 04 05 14 15)

412 packsswb mm1,mm0 ; mm1=(02 03 12 13 06 07 16 17)

413 paddb mm6,mm2

414 paddb mm1,mm2

415

416 movq mm4,mm6 ; transpose coefficients(phase 2)

417 punpcklwd mm6,mm1 ; mm6=(00 01 02 03 10 11 12 13)

418 punpckhwd mm4,mm1 ; mm4=(04 05 06 07 14 15 16 17)

419

420 movq mm7,mm6 ; transpose coefficients(phase 3)

421 punpckldq mm6,mm4 ; mm6=(00 01 02 03 04 05 06 07)

422 punpckhdq mm7,mm4 ; mm7=(10 11 12 13 14 15 16 17)

423

424 pushpic ebx ; save GOT address

425

426 mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW]

427 mov ebx, JSAMPROW [edi+1*SIZEOF_JSAMPROW]

428 movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm6

429 movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm7

430

431 poppic ebx ; restore GOT address

432

433 add esi, byte 2*SIZEOF_FAST_FLOAT ; wsptr

434 add edi, byte 2*SIZEOF_JSAMPROW

435 dec ecx ; ctr

436 jnz near .rowloop

437

438 femms ; empty MMX/3DNow! state

439

440 pop edi

441 pop esi

442 ; pop edx ; need not be preserved

443 ; pop ecx ; need not be preserved

444 pop ebx

445 mov esp,ebp ; esp <- aligned ebp

446 pop esp ; esp <- original ebp

447 pop ebp

448 ret

449

450 ; For some reason, the OS X linker does not honor the request to align the

451 ; segment unless we do this.

452 align 16

OLD	NEW

« no previous file with comments | « simd/jfsseflt-64.asm ('k') | simd/jidctflt-3dn.asm » ('j') | no next file with comments »