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

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

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1 ;

2 ; jfmmxfst.asm - fast integer FDCT (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 fast, not so accurate integer implementation of

18 ; the forward DCT (Discrete Cosine Transform). The following code is

19 ; based directly on the IJG's original jfdctfst.c; see the jfdctfst.c

20 ; for more details.

21 ;

22 ; [TAB8]

23

24 %include "jsimdext.inc"

25 %include "jdct.inc"

26

27 ; --------------------------------------------------------------------------

28

29 %define CONST_BITS 8 ; 14 is also OK.

30

31 %if CONST_BITS == 8

32 F_0_382 equ 98 ; FIX(0.382683433)

33 F_0_541 equ 139 ; FIX(0.541196100)

34 F_0_707 equ 181 ; FIX(0.707106781)

35 F_1_306 equ 334 ; FIX(1.306562965)

36 %else

37 ; NASM cannot do compile-time arithmetic on floating-point constants.

38 %define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n))

39 F_0_382 equ DESCALE( 410903207,30-CONST_BITS) ; FIX(0.382683433)

40 F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100)

41 F_0_707 equ DESCALE( 759250124,30-CONST_BITS) ; FIX(0.707106781)

42 F_1_306 equ DESCALE(1402911301,30-CONST_BITS) ; FIX(1.306562965)

43 %endif

44

45 ; --------------------------------------------------------------------------

46 SECTION SEG_CONST

47

48 ; PRE_MULTIPLY_SCALE_BITS <= 2 (to avoid overflow)

49 ; CONST_BITS + CONST_SHIFT + PRE_MULTIPLY_SCALE_BITS == 16 (for pmulhw)

50

51 %define PRE_MULTIPLY_SCALE_BITS 2

52 %define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS)

53

54 alignz 16

55 global EXTN(jconst_fdct_ifast_mmx) PRIVATE

56

57 EXTN(jconst_fdct_ifast_mmx):

58

59 PW_F0707 times 4 dw F_0_707 << CONST_SHIFT

60 PW_F0382 times 4 dw F_0_382 << CONST_SHIFT

61 PW_F0541 times 4 dw F_0_541 << CONST_SHIFT

62 PW_F1306 times 4 dw F_1_306 << CONST_SHIFT

63

64 alignz 16

65

66 ; --------------------------------------------------------------------------

67 SECTION SEG_TEXT

68 BITS 32

69 ;

70 ; Perform the forward DCT on one block of samples.

71 ;

72 ; GLOBAL(void)

73 ; jsimd_fdct_ifast_mmx (DCTELEM * data)

74 ;

75

76 %define data(b) (b)+8 ; DCTELEM * data

77

78 %define original_ebp ebp+0

79 %define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM]

80 %define WK_NUM 2

81

82 align 16

83 global EXTN(jsimd_fdct_ifast_mmx) PRIVATE

84

85 EXTN(jsimd_fdct_ifast_mmx):

86 push ebp

87 mov eax,esp ; eax = original ebp

88 sub esp, byte 4

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

90 mov [esp],eax

91 mov ebp,esp ; ebp = aligned ebp

92 lea esp, [wk(0)]

93 pushpic ebx

94 ; push ecx ; need not be preserved

95 ; push edx ; need not be preserved

96 ; push esi ; unused

97 ; push edi ; unused

98

99 get_GOT ebx ; get GOT address

100

101 ; ---- Pass 1: process rows.

102

103 mov edx, POINTER [data(eax)] ; (DCTELEM *)

104 mov ecx, DCTSIZE/4

105 alignx 16,7

106 .rowloop:

107

108 movq mm0, MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)]

109 movq mm1, MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)]

110 movq mm2, MMWORD [MMBLOCK(2,1,edx,SIZEOF_DCTELEM)]

111 movq mm3, MMWORD [MMBLOCK(3,1,edx,SIZEOF_DCTELEM)]

112

113 ; mm0=(20 21 22 23), mm2=(24 25 26 27)

114 ; mm1=(30 31 32 33), mm3=(34 35 36 37)

115

116 movq mm4,mm0 ; transpose coefficients(phase 1)

117 punpcklwd mm0,mm1 ; mm0=(20 30 21 31)

118 punpckhwd mm4,mm1 ; mm4=(22 32 23 33)

119 movq mm5,mm2 ; transpose coefficients(phase 1)

120 punpcklwd mm2,mm3 ; mm2=(24 34 25 35)

121 punpckhwd mm5,mm3 ; mm5=(26 36 27 37)

122

123 movq mm6, MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)]

124 movq mm7, MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)]

125 movq mm1, MMWORD [MMBLOCK(0,1,edx,SIZEOF_DCTELEM)]

126 movq mm3, MMWORD [MMBLOCK(1,1,edx,SIZEOF_DCTELEM)]

127

128 ; mm6=(00 01 02 03), mm1=(04 05 06 07)

129 ; mm7=(10 11 12 13), mm3=(14 15 16 17)

130

131 movq MMWORD [wk(0)], mm4 ; wk(0)=(22 32 23 33)

132 movq MMWORD [wk(1)], mm2 ; wk(1)=(24 34 25 35)

133

134 movq mm4,mm6 ; transpose coefficients(phase 1)

135 punpcklwd mm6,mm7 ; mm6=(00 10 01 11)

136 punpckhwd mm4,mm7 ; mm4=(02 12 03 13)

137 movq mm2,mm1 ; transpose coefficients(phase 1)

138 punpcklwd mm1,mm3 ; mm1=(04 14 05 15)

139 punpckhwd mm2,mm3 ; mm2=(06 16 07 17)

140

141 movq mm7,mm6 ; transpose coefficients(phase 2)

142 punpckldq mm6,mm0 ; mm6=(00 10 20 30)=data0

143 punpckhdq mm7,mm0 ; mm7=(01 11 21 31)=data1

144 movq mm3,mm2 ; transpose coefficients(phase 2)

145 punpckldq mm2,mm5 ; mm2=(06 16 26 36)=data6

146 punpckhdq mm3,mm5 ; mm3=(07 17 27 37)=data7

147

148 movq mm0,mm7

149 movq mm5,mm6

150 psubw mm7,mm2 ; mm7=data1-data6=tmp6

151 psubw mm6,mm3 ; mm6=data0-data7=tmp7

152 paddw mm0,mm2 ; mm0=data1+data6=tmp1

153 paddw mm5,mm3 ; mm5=data0+data7=tmp0

154

155 movq mm2, MMWORD [wk(0)] ; mm2=(22 32 23 33)

156 movq mm3, MMWORD [wk(1)] ; mm3=(24 34 25 35)

157 movq MMWORD [wk(0)], mm7 ; wk(0)=tmp6

158 movq MMWORD [wk(1)], mm6 ; wk(1)=tmp7

159

160 movq mm7,mm4 ; transpose coefficients(phase 2)

161 punpckldq mm4,mm2 ; mm4=(02 12 22 32)=data2

162 punpckhdq mm7,mm2 ; mm7=(03 13 23 33)=data3

163 movq mm6,mm1 ; transpose coefficients(phase 2)

164 punpckldq mm1,mm3 ; mm1=(04 14 24 34)=data4

165 punpckhdq mm6,mm3 ; mm6=(05 15 25 35)=data5

166

167 movq mm2,mm7

168 movq mm3,mm4

169 paddw mm7,mm1 ; mm7=data3+data4=tmp3

170 paddw mm4,mm6 ; mm4=data2+data5=tmp2

171 psubw mm2,mm1 ; mm2=data3-data4=tmp4

172 psubw mm3,mm6 ; mm3=data2-data5=tmp5

173

174 ; -- Even part

175

176 movq mm1,mm5

177 movq mm6,mm0

178 psubw mm5,mm7 ; mm5=tmp13

179 psubw mm0,mm4 ; mm0=tmp12

180 paddw mm1,mm7 ; mm1=tmp10

181 paddw mm6,mm4 ; mm6=tmp11

182

183 paddw mm0,mm5

184 psllw mm0,PRE_MULTIPLY_SCALE_BITS

185 pmulhw mm0,[GOTOFF(ebx,PW_F0707)] ; mm0=z1

186

187 movq mm7,mm1

188 movq mm4,mm5

189 psubw mm1,mm6 ; mm1=data4

190 psubw mm5,mm0 ; mm5=data6

191 paddw mm7,mm6 ; mm7=data0

192 paddw mm4,mm0 ; mm4=data2

193

194 movq MMWORD [MMBLOCK(0,1,edx,SIZEOF_DCTELEM)], mm1

195 movq MMWORD [MMBLOCK(2,1,edx,SIZEOF_DCTELEM)], mm5

196 movq MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)], mm7

197 movq MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)], mm4

198

199 ; -- Odd part

200

201 movq mm6, MMWORD [wk(0)] ; mm6=tmp6

202 movq mm0, MMWORD [wk(1)] ; mm0=tmp7

203

204 paddw mm2,mm3 ; mm2=tmp10

205 paddw mm3,mm6 ; mm3=tmp11

206 paddw mm6,mm0 ; mm6=tmp12, mm0=tmp7

207

208 psllw mm2,PRE_MULTIPLY_SCALE_BITS

209 psllw mm6,PRE_MULTIPLY_SCALE_BITS

210

211 psllw mm3,PRE_MULTIPLY_SCALE_BITS

212 pmulhw mm3,[GOTOFF(ebx,PW_F0707)] ; mm3=z3

213

214 movq mm1,mm2 ; mm1=tmp10

215 psubw mm2,mm6

216 pmulhw mm2,[GOTOFF(ebx,PW_F0382)] ; mm2=z5

217 pmulhw mm1,[GOTOFF(ebx,PW_F0541)] ; mm1=MULTIPLY(tmp10,FIX_0_54119610)

218 pmulhw mm6,[GOTOFF(ebx,PW_F1306)] ; mm6=MULTIPLY(tmp12,FIX_1_30656296)

219 paddw mm1,mm2 ; mm1=z2

220 paddw mm6,mm2 ; mm6=z4

221

222 movq mm5,mm0

223 psubw mm0,mm3 ; mm0=z13

224 paddw mm5,mm3 ; mm5=z11

225

226 movq mm7,mm0

227 movq mm4,mm5

228 psubw mm0,mm1 ; mm0=data3

229 psubw mm5,mm6 ; mm5=data7

230 paddw mm7,mm1 ; mm7=data5

231 paddw mm4,mm6 ; mm4=data1

232

233 movq MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)], mm0

234 movq MMWORD [MMBLOCK(3,1,edx,SIZEOF_DCTELEM)], mm5

235 movq MMWORD [MMBLOCK(1,1,edx,SIZEOF_DCTELEM)], mm7

236 movq MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)], mm4

237

238 add edx, byte 4DCTSIZESIZEOF_DCTELEM

239 dec ecx

240 jnz near .rowloop

241

242 ; ---- Pass 2: process columns.

243

244 mov edx, POINTER [data(eax)] ; (DCTELEM *)

245 mov ecx, DCTSIZE/4

246 alignx 16,7

247 .columnloop:

248

249 movq mm0, MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)]

250 movq mm1, MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)]

251 movq mm2, MMWORD [MMBLOCK(6,0,edx,SIZEOF_DCTELEM)]

252 movq mm3, MMWORD [MMBLOCK(7,0,edx,SIZEOF_DCTELEM)]

253

254 ; mm0=(02 12 22 32), mm2=(42 52 62 72)

255 ; mm1=(03 13 23 33), mm3=(43 53 63 73)

256

257 movq mm4,mm0 ; transpose coefficients(phase 1)

258 punpcklwd mm0,mm1 ; mm0=(02 03 12 13)

259 punpckhwd mm4,mm1 ; mm4=(22 23 32 33)

260 movq mm5,mm2 ; transpose coefficients(phase 1)

261 punpcklwd mm2,mm3 ; mm2=(42 43 52 53)

262 punpckhwd mm5,mm3 ; mm5=(62 63 72 73)

263

264 movq mm6, MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)]

265 movq mm7, MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)]

266 movq mm1, MMWORD [MMBLOCK(4,0,edx,SIZEOF_DCTELEM)]

267 movq mm3, MMWORD [MMBLOCK(5,0,edx,SIZEOF_DCTELEM)]

268

269 ; mm6=(00 10 20 30), mm1=(40 50 60 70)

270 ; mm7=(01 11 21 31), mm3=(41 51 61 71)

271

272 movq MMWORD [wk(0)], mm4 ; wk(0)=(22 23 32 33)

273 movq MMWORD [wk(1)], mm2 ; wk(1)=(42 43 52 53)

274

275 movq mm4,mm6 ; transpose coefficients(phase 1)

276 punpcklwd mm6,mm7 ; mm6=(00 01 10 11)

277 punpckhwd mm4,mm7 ; mm4=(20 21 30 31)

278 movq mm2,mm1 ; transpose coefficients(phase 1)

279 punpcklwd mm1,mm3 ; mm1=(40 41 50 51)

280 punpckhwd mm2,mm3 ; mm2=(60 61 70 71)

281

282 movq mm7,mm6 ; transpose coefficients(phase 2)

283 punpckldq mm6,mm0 ; mm6=(00 01 02 03)=data0

284 punpckhdq mm7,mm0 ; mm7=(10 11 12 13)=data1

285 movq mm3,mm2 ; transpose coefficients(phase 2)

286 punpckldq mm2,mm5 ; mm2=(60 61 62 63)=data6

287 punpckhdq mm3,mm5 ; mm3=(70 71 72 73)=data7

288

289 movq mm0,mm7

290 movq mm5,mm6

291 psubw mm7,mm2 ; mm7=data1-data6=tmp6

292 psubw mm6,mm3 ; mm6=data0-data7=tmp7

293 paddw mm0,mm2 ; mm0=data1+data6=tmp1

294 paddw mm5,mm3 ; mm5=data0+data7=tmp0

295

296 movq mm2, MMWORD [wk(0)] ; mm2=(22 23 32 33)

297 movq mm3, MMWORD [wk(1)] ; mm3=(42 43 52 53)

298 movq MMWORD [wk(0)], mm7 ; wk(0)=tmp6

299 movq MMWORD [wk(1)], mm6 ; wk(1)=tmp7

300

301 movq mm7,mm4 ; transpose coefficients(phase 2)

302 punpckldq mm4,mm2 ; mm4=(20 21 22 23)=data2

303 punpckhdq mm7,mm2 ; mm7=(30 31 32 33)=data3

304 movq mm6,mm1 ; transpose coefficients(phase 2)

305 punpckldq mm1,mm3 ; mm1=(40 41 42 43)=data4

306 punpckhdq mm6,mm3 ; mm6=(50 51 52 53)=data5

307

308 movq mm2,mm7

309 movq mm3,mm4

310 paddw mm7,mm1 ; mm7=data3+data4=tmp3

311 paddw mm4,mm6 ; mm4=data2+data5=tmp2

312 psubw mm2,mm1 ; mm2=data3-data4=tmp4

313 psubw mm3,mm6 ; mm3=data2-data5=tmp5

314

315 ; -- Even part

316

317 movq mm1,mm5

318 movq mm6,mm0

319 psubw mm5,mm7 ; mm5=tmp13

320 psubw mm0,mm4 ; mm0=tmp12

321 paddw mm1,mm7 ; mm1=tmp10

322 paddw mm6,mm4 ; mm6=tmp11

323

324 paddw mm0,mm5

325 psllw mm0,PRE_MULTIPLY_SCALE_BITS

326 pmulhw mm0,[GOTOFF(ebx,PW_F0707)] ; mm0=z1

327

328 movq mm7,mm1

329 movq mm4,mm5

330 psubw mm1,mm6 ; mm1=data4

331 psubw mm5,mm0 ; mm5=data6

332 paddw mm7,mm6 ; mm7=data0

333 paddw mm4,mm0 ; mm4=data2

334

335 movq MMWORD [MMBLOCK(4,0,edx,SIZEOF_DCTELEM)], mm1

336 movq MMWORD [MMBLOCK(6,0,edx,SIZEOF_DCTELEM)], mm5

337 movq MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)], mm7

338 movq MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)], mm4

339

340 ; -- Odd part

341

342 movq mm6, MMWORD [wk(0)] ; mm6=tmp6

343 movq mm0, MMWORD [wk(1)] ; mm0=tmp7

344

345 paddw mm2,mm3 ; mm2=tmp10

346 paddw mm3,mm6 ; mm3=tmp11

347 paddw mm6,mm0 ; mm6=tmp12, mm0=tmp7

348

349 psllw mm2,PRE_MULTIPLY_SCALE_BITS

350 psllw mm6,PRE_MULTIPLY_SCALE_BITS

351

352 psllw mm3,PRE_MULTIPLY_SCALE_BITS

353 pmulhw mm3,[GOTOFF(ebx,PW_F0707)] ; mm3=z3

354

355 movq mm1,mm2 ; mm1=tmp10

356 psubw mm2,mm6

357 pmulhw mm2,[GOTOFF(ebx,PW_F0382)] ; mm2=z5

358 pmulhw mm1,[GOTOFF(ebx,PW_F0541)] ; mm1=MULTIPLY(tmp10,FIX_0_54119610)

359 pmulhw mm6,[GOTOFF(ebx,PW_F1306)] ; mm6=MULTIPLY(tmp12,FIX_1_30656296)

360 paddw mm1,mm2 ; mm1=z2

361 paddw mm6,mm2 ; mm6=z4

362

363 movq mm5,mm0

364 psubw mm0,mm3 ; mm0=z13

365 paddw mm5,mm3 ; mm5=z11

366

367 movq mm7,mm0

368 movq mm4,mm5

369 psubw mm0,mm1 ; mm0=data3

370 psubw mm5,mm6 ; mm5=data7

371 paddw mm7,mm1 ; mm7=data5

372 paddw mm4,mm6 ; mm4=data1

373

374 movq MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)], mm0

375 movq MMWORD [MMBLOCK(7,0,edx,SIZEOF_DCTELEM)], mm5

376 movq MMWORD [MMBLOCK(5,0,edx,SIZEOF_DCTELEM)], mm7

377 movq MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)], mm4

378

379 add edx, byte 4*SIZEOF_DCTELEM

380 dec ecx

381 jnz near .columnloop

382

383 emms ; empty MMX state

384

385 ; pop edi ; unused

386 ; pop esi ; unused

387 ; pop edx ; need not be preserved

388 ; pop ecx ; need not be preserved

389 poppic ebx

390 mov esp,ebp ; esp <- aligned ebp

391 pop esp ; esp <- original ebp

392 pop ebp

393 ret

394

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

396 ; segment unless we do this.

397 align 16

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