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comparison: media/libjpeg/simd/jdsammmx.asm
media/libjpeg/simd/jdsammmx.asm
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| -1:000000000000 | 0:8a00a5e44f12 |
|---|---|
| 1 ; | |
| 2 ; jdsammmx.asm - upsampling (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 ; [TAB8] | |
| 18 | |
| 19 %include "jsimdext.inc" | |
| 20 | |
| 21 ; -------------------------------------------------------------------------- | |
| 22 SECTION SEG_CONST | |
| 23 | |
| 24 alignz 16 | |
| 25 global EXTN(jconst_fancy_upsample_mmx) | |
| 26 | |
| 27 EXTN(jconst_fancy_upsample_mmx): | |
| 28 | |
| 29 PW_ONE times 4 dw 1 | |
| 30 PW_TWO times 4 dw 2 | |
| 31 PW_THREE times 4 dw 3 | |
| 32 PW_SEVEN times 4 dw 7 | |
| 33 PW_EIGHT times 4 dw 8 | |
| 34 | |
| 35 alignz 16 | |
| 36 | |
| 37 ; -------------------------------------------------------------------------- | |
| 38 SECTION SEG_TEXT | |
| 39 BITS 32 | |
| 40 ; | |
| 41 ; Fancy processing for the common case of 2:1 horizontal and 1:1 vertical. | |
| 42 ; | |
| 43 ; The upsampling algorithm is linear interpolation between pixel centers, | |
| 44 ; also known as a "triangle filter". This is a good compromise between | |
| 45 ; speed and visual quality. The centers of the output pixels are 1/4 and 3/4 | |
| 46 ; of the way between input pixel centers. | |
| 47 ; | |
| 48 ; GLOBAL(void) | |
| 49 ; jsimd_h2v1_fancy_upsample_mmx (int max_v_samp_factor, | |
| 50 ; JDIMENSION downsampled_width, | |
| 51 ; JSAMPARRAY input_data, | |
| 52 ; JSAMPARRAY * output_data_ptr); | |
| 53 ; | |
| 54 | |
| 55 %define max_v_samp(b) (b)+8 ; int max_v_samp_factor | |
| 56 %define downsamp_width(b) (b)+12 ; JDIMENSION downsampled_width | |
| 57 %define input_data(b) (b)+16 ; JSAMPARRAY input_data | |
| 58 %define output_data_ptr(b) (b)+20 ; JSAMPARRAY * output_data_ptr | |
| 59 | |
| 60 align 16 | |
| 61 global EXTN(jsimd_h2v1_fancy_upsample_mmx) | |
| 62 | |
| 63 EXTN(jsimd_h2v1_fancy_upsample_mmx): | |
| 64 push ebp | |
| 65 mov ebp,esp | |
| 66 pushpic ebx | |
| 67 ; push ecx ; need not be preserved | |
| 68 ; push edx ; need not be preserved | |
| 69 push esi | |
| 70 push edi | |
| 71 | |
| 72 get_GOT ebx ; get GOT address | |
| 73 | |
| 74 mov eax, JDIMENSION [downsamp_width(ebp)] ; colctr | |
| 75 test eax,eax | |
| 76 jz near .return | |
| 77 | |
| 78 mov ecx, INT [max_v_samp(ebp)] ; rowctr | |
| 79 test ecx,ecx | |
| 80 jz near .return | |
| 81 | |
| 82 mov esi, JSAMPARRAY [input_data(ebp)] ; input_data | |
| 83 mov edi, POINTER [output_data_ptr(ebp)] | |
| 84 mov edi, JSAMPARRAY [edi] ; output_data | |
| 85 alignx 16,7 | |
| 86 .rowloop: | |
| 87 push eax ; colctr | |
| 88 push edi | |
| 89 push esi | |
| 90 | |
| 91 mov esi, JSAMPROW [esi] ; inptr | |
| 92 mov edi, JSAMPROW [edi] ; outptr | |
| 93 | |
| 94 test eax, SIZEOF_MMWORD-1 | |
| 95 jz short .skip | |
| 96 mov dl, JSAMPLE [esi+(eax-1)*SIZEOF_JSAMPLE] | |
| 97 mov JSAMPLE [esi+eax*SIZEOF_JSAMPLE], dl ; insert a dummy sample | |
| 98 .skip: | |
| 99 pxor mm0,mm0 ; mm0=(all 0's) | |
| 100 pcmpeqb mm7,mm7 | |
| 101 psrlq mm7,(SIZEOF_MMWORD-1)*BYTE_BIT | |
| 102 pand mm7, MMWORD [esi+0*SIZEOF_MMWORD] | |
| 103 | |
| 104 add eax, byte SIZEOF_MMWORD-1 | |
| 105 and eax, byte -SIZEOF_MMWORD | |
| 106 cmp eax, byte SIZEOF_MMWORD | |
| 107 ja short .columnloop | |
| 108 alignx 16,7 | |
| 109 | |
| 110 .columnloop_last: | |
| 111 pcmpeqb mm6,mm6 | |
| 112 psllq mm6,(SIZEOF_MMWORD-1)*BYTE_BIT | |
| 113 pand mm6, MMWORD [esi+0*SIZEOF_MMWORD] | |
| 114 jmp short .upsample | |
| 115 alignx 16,7 | |
| 116 | |
| 117 .columnloop: | |
| 118 movq mm6, MMWORD [esi+1*SIZEOF_MMWORD] | |
| 119 psllq mm6,(SIZEOF_MMWORD-1)*BYTE_BIT | |
| 120 | |
| 121 .upsample: | |
| 122 movq mm1, MMWORD [esi+0*SIZEOF_MMWORD] | |
| 123 movq mm2,mm1 | |
| 124 movq mm3,mm1 ; mm1=( 0 1 2 3 4 5 6 7) | |
| 125 psllq mm2,BYTE_BIT ; mm2=( - 0 1 2 3 4 5 6) | |
| 126 psrlq mm3,BYTE_BIT ; mm3=( 1 2 3 4 5 6 7 -) | |
| 127 | |
| 128 por mm2,mm7 ; mm2=(-1 0 1 2 3 4 5 6) | |
| 129 por mm3,mm6 ; mm3=( 1 2 3 4 5 6 7 8) | |
| 130 | |
| 131 movq mm7,mm1 | |
| 132 psrlq mm7,(SIZEOF_MMWORD-1)*BYTE_BIT ; mm7=( 7 - - - - - - -) | |
| 133 | |
| 134 movq mm4,mm1 | |
| 135 punpcklbw mm1,mm0 ; mm1=( 0 1 2 3) | |
| 136 punpckhbw mm4,mm0 ; mm4=( 4 5 6 7) | |
| 137 movq mm5,mm2 | |
| 138 punpcklbw mm2,mm0 ; mm2=(-1 0 1 2) | |
| 139 punpckhbw mm5,mm0 ; mm5=( 3 4 5 6) | |
| 140 movq mm6,mm3 | |
| 141 punpcklbw mm3,mm0 ; mm3=( 1 2 3 4) | |
| 142 punpckhbw mm6,mm0 ; mm6=( 5 6 7 8) | |
| 143 | |
| 144 pmullw mm1,[GOTOFF(ebx,PW_THREE)] | |
| 145 pmullw mm4,[GOTOFF(ebx,PW_THREE)] | |
| 146 paddw mm2,[GOTOFF(ebx,PW_ONE)] | |
| 147 paddw mm5,[GOTOFF(ebx,PW_ONE)] | |
| 148 paddw mm3,[GOTOFF(ebx,PW_TWO)] | |
| 149 paddw mm6,[GOTOFF(ebx,PW_TWO)] | |
| 150 | |
| 151 paddw mm2,mm1 | |
| 152 paddw mm5,mm4 | |
| 153 psrlw mm2,2 ; mm2=OutLE=( 0 2 4 6) | |
| 154 psrlw mm5,2 ; mm5=OutHE=( 8 10 12 14) | |
| 155 paddw mm3,mm1 | |
| 156 paddw mm6,mm4 | |
| 157 psrlw mm3,2 ; mm3=OutLO=( 1 3 5 7) | |
| 158 psrlw mm6,2 ; mm6=OutHO=( 9 11 13 15) | |
| 159 | |
| 160 psllw mm3,BYTE_BIT | |
| 161 psllw mm6,BYTE_BIT | |
| 162 por mm2,mm3 ; mm2=OutL=( 0 1 2 3 4 5 6 7) | |
| 163 por mm5,mm6 ; mm5=OutH=( 8 9 10 11 12 13 14 15) | |
| 164 | |
| 165 movq MMWORD [edi+0*SIZEOF_MMWORD], mm2 | |
| 166 movq MMWORD [edi+1*SIZEOF_MMWORD], mm5 | |
| 167 | |
| 168 sub eax, byte SIZEOF_MMWORD | |
| 169 add esi, byte 1*SIZEOF_MMWORD ; inptr | |
| 170 add edi, byte 2*SIZEOF_MMWORD ; outptr | |
| 171 cmp eax, byte SIZEOF_MMWORD | |
| 172 ja near .columnloop | |
| 173 test eax,eax | |
| 174 jnz near .columnloop_last | |
| 175 | |
| 176 pop esi | |
| 177 pop edi | |
| 178 pop eax | |
| 179 | |
| 180 add esi, byte SIZEOF_JSAMPROW ; input_data | |
| 181 add edi, byte SIZEOF_JSAMPROW ; output_data | |
| 182 dec ecx ; rowctr | |
| 183 jg near .rowloop | |
| 184 | |
| 185 emms ; empty MMX state | |
| 186 | |
| 187 .return: | |
| 188 pop edi | |
| 189 pop esi | |
| 190 ; pop edx ; need not be preserved | |
| 191 ; pop ecx ; need not be preserved | |
| 192 poppic ebx | |
| 193 pop ebp | |
| 194 ret | |
| 195 | |
| 196 ; -------------------------------------------------------------------------- | |
| 197 ; | |
| 198 ; Fancy processing for the common case of 2:1 horizontal and 2:1 vertical. | |
| 199 ; Again a triangle filter; see comments for h2v1 case, above. | |
| 200 ; | |
| 201 ; GLOBAL(void) | |
| 202 ; jsimd_h2v2_fancy_upsample_mmx (int max_v_samp_factor, | |
| 203 ; JDIMENSION downsampled_width, | |
| 204 ; JSAMPARRAY input_data, | |
| 205 ; JSAMPARRAY * output_data_ptr); | |
| 206 ; | |
| 207 | |
| 208 %define max_v_samp(b) (b)+8 ; int max_v_samp_factor | |
| 209 %define downsamp_width(b) (b)+12 ; JDIMENSION downsampled_width | |
| 210 %define input_data(b) (b)+16 ; JSAMPARRAY input_data | |
| 211 %define output_data_ptr(b) (b)+20 ; JSAMPARRAY * output_data_ptr | |
| 212 | |
| 213 %define original_ebp ebp+0 | |
| 214 %define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] | |
| 215 %define WK_NUM 4 | |
| 216 %define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr | |
| 217 | |
| 218 align 16 | |
| 219 global EXTN(jsimd_h2v2_fancy_upsample_mmx) | |
| 220 | |
| 221 EXTN(jsimd_h2v2_fancy_upsample_mmx): | |
| 222 push ebp | |
| 223 mov eax,esp ; eax = original ebp | |
| 224 sub esp, byte 4 | |
| 225 and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits | |
| 226 mov [esp],eax | |
| 227 mov ebp,esp ; ebp = aligned ebp | |
| 228 lea esp, [wk(0)] | |
| 229 pushpic eax ; make a room for GOT address | |
| 230 push ebx | |
| 231 ; push ecx ; need not be preserved | |
| 232 ; push edx ; need not be preserved | |
| 233 push esi | |
| 234 push edi | |
| 235 | |
| 236 get_GOT ebx ; get GOT address | |
| 237 movpic POINTER [gotptr], ebx ; save GOT address | |
| 238 | |
| 239 mov edx,eax ; edx = original ebp | |
| 240 mov eax, JDIMENSION [downsamp_width(edx)] ; colctr | |
| 241 test eax,eax | |
| 242 jz near .return | |
| 243 | |
| 244 mov ecx, INT [max_v_samp(edx)] ; rowctr | |
| 245 test ecx,ecx | |
| 246 jz near .return | |
| 247 | |
| 248 mov esi, JSAMPARRAY [input_data(edx)] ; input_data | |
| 249 mov edi, POINTER [output_data_ptr(edx)] | |
| 250 mov edi, JSAMPARRAY [edi] ; output_data | |
| 251 alignx 16,7 | |
| 252 .rowloop: | |
| 253 push eax ; colctr | |
| 254 push ecx | |
| 255 push edi | |
| 256 push esi | |
| 257 | |
| 258 mov ecx, JSAMPROW [esi-1*SIZEOF_JSAMPROW] ; inptr1(above) | |
| 259 mov ebx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; inptr0 | |
| 260 mov esi, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; inptr1(below) | |
| 261 mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] ; outptr0 | |
| 262 mov edi, JSAMPROW [edi+1*SIZEOF_JSAMPROW] ; outptr1 | |
| 263 | |
| 264 test eax, SIZEOF_MMWORD-1 | |
| 265 jz short .skip | |
| 266 push edx | |
| 267 mov dl, JSAMPLE [ecx+(eax-1)*SIZEOF_JSAMPLE] | |
| 268 mov JSAMPLE [ecx+eax*SIZEOF_JSAMPLE], dl | |
| 269 mov dl, JSAMPLE [ebx+(eax-1)*SIZEOF_JSAMPLE] | |
| 270 mov JSAMPLE [ebx+eax*SIZEOF_JSAMPLE], dl | |
| 271 mov dl, JSAMPLE [esi+(eax-1)*SIZEOF_JSAMPLE] | |
| 272 mov JSAMPLE [esi+eax*SIZEOF_JSAMPLE], dl ; insert a dummy sample | |
| 273 pop edx | |
| 274 .skip: | |
| 275 ; -- process the first column block | |
| 276 | |
| 277 movq mm0, MMWORD [ebx+0*SIZEOF_MMWORD] ; mm0=row[ 0][0] | |
| 278 movq mm1, MMWORD [ecx+0*SIZEOF_MMWORD] ; mm1=row[-1][0] | |
| 279 movq mm2, MMWORD [esi+0*SIZEOF_MMWORD] ; mm2=row[+1][0] | |
| 280 | |
| 281 pushpic ebx | |
| 282 movpic ebx, POINTER [gotptr] ; load GOT address | |
| 283 | |
| 284 pxor mm3,mm3 ; mm3=(all 0's) | |
| 285 movq mm4,mm0 | |
| 286 punpcklbw mm0,mm3 ; mm0=row[ 0][0]( 0 1 2 3) | |
| 287 punpckhbw mm4,mm3 ; mm4=row[ 0][0]( 4 5 6 7) | |
| 288 movq mm5,mm1 | |
| 289 punpcklbw mm1,mm3 ; mm1=row[-1][0]( 0 1 2 3) | |
| 290 punpckhbw mm5,mm3 ; mm5=row[-1][0]( 4 5 6 7) | |
| 291 movq mm6,mm2 | |
| 292 punpcklbw mm2,mm3 ; mm2=row[+1][0]( 0 1 2 3) | |
| 293 punpckhbw mm6,mm3 ; mm6=row[+1][0]( 4 5 6 7) | |
| 294 | |
| 295 pmullw mm0,[GOTOFF(ebx,PW_THREE)] | |
| 296 pmullw mm4,[GOTOFF(ebx,PW_THREE)] | |
| 297 | |
| 298 pcmpeqb mm7,mm7 | |
| 299 psrlq mm7,(SIZEOF_MMWORD-2)*BYTE_BIT | |
| 300 | |
| 301 paddw mm1,mm0 ; mm1=Int0L=( 0 1 2 3) | |
| 302 paddw mm5,mm4 ; mm5=Int0H=( 4 5 6 7) | |
| 303 paddw mm2,mm0 ; mm2=Int1L=( 0 1 2 3) | |
| 304 paddw mm6,mm4 ; mm6=Int1H=( 4 5 6 7) | |
| 305 | |
| 306 movq MMWORD [edx+0*SIZEOF_MMWORD], mm1 ; temporarily save | |
| 307 movq MMWORD [edx+1*SIZEOF_MMWORD], mm5 ; the intermediate data | |
| 308 movq MMWORD [edi+0*SIZEOF_MMWORD], mm2 | |
| 309 movq MMWORD [edi+1*SIZEOF_MMWORD], mm6 | |
| 310 | |
| 311 pand mm1,mm7 ; mm1=( 0 - - -) | |
| 312 pand mm2,mm7 ; mm2=( 0 - - -) | |
| 313 | |
| 314 movq MMWORD [wk(0)], mm1 | |
| 315 movq MMWORD [wk(1)], mm2 | |
| 316 | |
| 317 poppic ebx | |
| 318 | |
| 319 add eax, byte SIZEOF_MMWORD-1 | |
| 320 and eax, byte -SIZEOF_MMWORD | |
| 321 cmp eax, byte SIZEOF_MMWORD | |
| 322 ja short .columnloop | |
| 323 alignx 16,7 | |
| 324 | |
| 325 .columnloop_last: | |
| 326 ; -- process the last column block | |
| 327 | |
| 328 pushpic ebx | |
| 329 movpic ebx, POINTER [gotptr] ; load GOT address | |
| 330 | |
| 331 pcmpeqb mm1,mm1 | |
| 332 psllq mm1,(SIZEOF_MMWORD-2)*BYTE_BIT | |
| 333 movq mm2,mm1 | |
| 334 | |
| 335 pand mm1, MMWORD [edx+1*SIZEOF_MMWORD] ; mm1=( - - - 7) | |
| 336 pand mm2, MMWORD [edi+1*SIZEOF_MMWORD] ; mm2=( - - - 7) | |
| 337 | |
| 338 movq MMWORD [wk(2)], mm1 | |
| 339 movq MMWORD [wk(3)], mm2 | |
| 340 | |
| 341 jmp short .upsample | |
| 342 alignx 16,7 | |
| 343 | |
| 344 .columnloop: | |
| 345 ; -- process the next column block | |
| 346 | |
| 347 movq mm0, MMWORD [ebx+1*SIZEOF_MMWORD] ; mm0=row[ 0][1] | |
| 348 movq mm1, MMWORD [ecx+1*SIZEOF_MMWORD] ; mm1=row[-1][1] | |
| 349 movq mm2, MMWORD [esi+1*SIZEOF_MMWORD] ; mm2=row[+1][1] | |
| 350 | |
| 351 pushpic ebx | |
| 352 movpic ebx, POINTER [gotptr] ; load GOT address | |
| 353 | |
| 354 pxor mm3,mm3 ; mm3=(all 0's) | |
| 355 movq mm4,mm0 | |
| 356 punpcklbw mm0,mm3 ; mm0=row[ 0][1]( 0 1 2 3) | |
| 357 punpckhbw mm4,mm3 ; mm4=row[ 0][1]( 4 5 6 7) | |
| 358 movq mm5,mm1 | |
| 359 punpcklbw mm1,mm3 ; mm1=row[-1][1]( 0 1 2 3) | |
| 360 punpckhbw mm5,mm3 ; mm5=row[-1][1]( 4 5 6 7) | |
| 361 movq mm6,mm2 | |
| 362 punpcklbw mm2,mm3 ; mm2=row[+1][1]( 0 1 2 3) | |
| 363 punpckhbw mm6,mm3 ; mm6=row[+1][1]( 4 5 6 7) | |
| 364 | |
| 365 pmullw mm0,[GOTOFF(ebx,PW_THREE)] | |
| 366 pmullw mm4,[GOTOFF(ebx,PW_THREE)] | |
| 367 | |
| 368 paddw mm1,mm0 ; mm1=Int0L=( 0 1 2 3) | |
| 369 paddw mm5,mm4 ; mm5=Int0H=( 4 5 6 7) | |
| 370 paddw mm2,mm0 ; mm2=Int1L=( 0 1 2 3) | |
| 371 paddw mm6,mm4 ; mm6=Int1H=( 4 5 6 7) | |
| 372 | |
| 373 movq MMWORD [edx+2*SIZEOF_MMWORD], mm1 ; temporarily save | |
| 374 movq MMWORD [edx+3*SIZEOF_MMWORD], mm5 ; the intermediate data | |
| 375 movq MMWORD [edi+2*SIZEOF_MMWORD], mm2 | |
| 376 movq MMWORD [edi+3*SIZEOF_MMWORD], mm6 | |
| 377 | |
| 378 psllq mm1,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm1=( - - - 0) | |
| 379 psllq mm2,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm2=( - - - 0) | |
| 380 | |
| 381 movq MMWORD [wk(2)], mm1 | |
| 382 movq MMWORD [wk(3)], mm2 | |
| 383 | |
| 384 .upsample: | |
| 385 ; -- process the upper row | |
| 386 | |
| 387 movq mm7, MMWORD [edx+0*SIZEOF_MMWORD] ; mm7=Int0L=( 0 1 2 3) | |
| 388 movq mm3, MMWORD [edx+1*SIZEOF_MMWORD] ; mm3=Int0H=( 4 5 6 7) | |
| 389 | |
| 390 movq mm0,mm7 | |
| 391 movq mm4,mm3 | |
| 392 psrlq mm0,2*BYTE_BIT ; mm0=( 1 2 3 -) | |
| 393 psllq mm4,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm4=( - - - 4) | |
| 394 movq mm5,mm7 | |
| 395 movq mm6,mm3 | |
| 396 psrlq mm5,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm5=( 3 - - -) | |
| 397 psllq mm6,2*BYTE_BIT ; mm6=( - 4 5 6) | |
| 398 | |
| 399 por mm0,mm4 ; mm0=( 1 2 3 4) | |
| 400 por mm5,mm6 ; mm5=( 3 4 5 6) | |
| 401 | |
| 402 movq mm1,mm7 | |
| 403 movq mm2,mm3 | |
| 404 psllq mm1,2*BYTE_BIT ; mm1=( - 0 1 2) | |
| 405 psrlq mm2,2*BYTE_BIT ; mm2=( 5 6 7 -) | |
| 406 movq mm4,mm3 | |
| 407 psrlq mm4,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm4=( 7 - - -) | |
| 408 | |
| 409 por mm1, MMWORD [wk(0)] ; mm1=(-1 0 1 2) | |
| 410 por mm2, MMWORD [wk(2)] ; mm2=( 5 6 7 8) | |
| 411 | |
| 412 movq MMWORD [wk(0)], mm4 | |
| 413 | |
| 414 pmullw mm7,[GOTOFF(ebx,PW_THREE)] | |
| 415 pmullw mm3,[GOTOFF(ebx,PW_THREE)] | |
| 416 paddw mm1,[GOTOFF(ebx,PW_EIGHT)] | |
| 417 paddw mm5,[GOTOFF(ebx,PW_EIGHT)] | |
| 418 paddw mm0,[GOTOFF(ebx,PW_SEVEN)] | |
| 419 paddw mm2,[GOTOFF(ebx,PW_SEVEN)] | |
| 420 | |
| 421 paddw mm1,mm7 | |
| 422 paddw mm5,mm3 | |
| 423 psrlw mm1,4 ; mm1=Out0LE=( 0 2 4 6) | |
| 424 psrlw mm5,4 ; mm5=Out0HE=( 8 10 12 14) | |
| 425 paddw mm0,mm7 | |
| 426 paddw mm2,mm3 | |
| 427 psrlw mm0,4 ; mm0=Out0LO=( 1 3 5 7) | |
| 428 psrlw mm2,4 ; mm2=Out0HO=( 9 11 13 15) | |
| 429 | |
| 430 psllw mm0,BYTE_BIT | |
| 431 psllw mm2,BYTE_BIT | |
| 432 por mm1,mm0 ; mm1=Out0L=( 0 1 2 3 4 5 6 7) | |
| 433 por mm5,mm2 ; mm5=Out0H=( 8 9 10 11 12 13 14 15) | |
| 434 | |
| 435 movq MMWORD [edx+0*SIZEOF_MMWORD], mm1 | |
| 436 movq MMWORD [edx+1*SIZEOF_MMWORD], mm5 | |
| 437 | |
| 438 ; -- process the lower row | |
| 439 | |
| 440 movq mm6, MMWORD [edi+0*SIZEOF_MMWORD] ; mm6=Int1L=( 0 1 2 3) | |
| 441 movq mm4, MMWORD [edi+1*SIZEOF_MMWORD] ; mm4=Int1H=( 4 5 6 7) | |
| 442 | |
| 443 movq mm7,mm6 | |
| 444 movq mm3,mm4 | |
| 445 psrlq mm7,2*BYTE_BIT ; mm7=( 1 2 3 -) | |
| 446 psllq mm3,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm3=( - - - 4) | |
| 447 movq mm0,mm6 | |
| 448 movq mm2,mm4 | |
| 449 psrlq mm0,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm0=( 3 - - -) | |
| 450 psllq mm2,2*BYTE_BIT ; mm2=( - 4 5 6) | |
| 451 | |
| 452 por mm7,mm3 ; mm7=( 1 2 3 4) | |
| 453 por mm0,mm2 ; mm0=( 3 4 5 6) | |
| 454 | |
| 455 movq mm1,mm6 | |
| 456 movq mm5,mm4 | |
| 457 psllq mm1,2*BYTE_BIT ; mm1=( - 0 1 2) | |
| 458 psrlq mm5,2*BYTE_BIT ; mm5=( 5 6 7 -) | |
| 459 movq mm3,mm4 | |
| 460 psrlq mm3,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm3=( 7 - - -) | |
| 461 | |
| 462 por mm1, MMWORD [wk(1)] ; mm1=(-1 0 1 2) | |
| 463 por mm5, MMWORD [wk(3)] ; mm5=( 5 6 7 8) | |
| 464 | |
| 465 movq MMWORD [wk(1)], mm3 | |
| 466 | |
| 467 pmullw mm6,[GOTOFF(ebx,PW_THREE)] | |
| 468 pmullw mm4,[GOTOFF(ebx,PW_THREE)] | |
| 469 paddw mm1,[GOTOFF(ebx,PW_EIGHT)] | |
| 470 paddw mm0,[GOTOFF(ebx,PW_EIGHT)] | |
| 471 paddw mm7,[GOTOFF(ebx,PW_SEVEN)] | |
| 472 paddw mm5,[GOTOFF(ebx,PW_SEVEN)] | |
| 473 | |
| 474 paddw mm1,mm6 | |
| 475 paddw mm0,mm4 | |
| 476 psrlw mm1,4 ; mm1=Out1LE=( 0 2 4 6) | |
| 477 psrlw mm0,4 ; mm0=Out1HE=( 8 10 12 14) | |
| 478 paddw mm7,mm6 | |
| 479 paddw mm5,mm4 | |
| 480 psrlw mm7,4 ; mm7=Out1LO=( 1 3 5 7) | |
| 481 psrlw mm5,4 ; mm5=Out1HO=( 9 11 13 15) | |
| 482 | |
| 483 psllw mm7,BYTE_BIT | |
| 484 psllw mm5,BYTE_BIT | |
| 485 por mm1,mm7 ; mm1=Out1L=( 0 1 2 3 4 5 6 7) | |
| 486 por mm0,mm5 ; mm0=Out1H=( 8 9 10 11 12 13 14 15) | |
| 487 | |
| 488 movq MMWORD [edi+0*SIZEOF_MMWORD], mm1 | |
| 489 movq MMWORD [edi+1*SIZEOF_MMWORD], mm0 | |
| 490 | |
| 491 poppic ebx | |
| 492 | |
| 493 sub eax, byte SIZEOF_MMWORD | |
| 494 add ecx, byte 1*SIZEOF_MMWORD ; inptr1(above) | |
| 495 add ebx, byte 1*SIZEOF_MMWORD ; inptr0 | |
| 496 add esi, byte 1*SIZEOF_MMWORD ; inptr1(below) | |
| 497 add edx, byte 2*SIZEOF_MMWORD ; outptr0 | |
| 498 add edi, byte 2*SIZEOF_MMWORD ; outptr1 | |
| 499 cmp eax, byte SIZEOF_MMWORD | |
| 500 ja near .columnloop | |
| 501 test eax,eax | |
| 502 jnz near .columnloop_last | |
| 503 | |
| 504 pop esi | |
| 505 pop edi | |
| 506 pop ecx | |
| 507 pop eax | |
| 508 | |
| 509 add esi, byte 1*SIZEOF_JSAMPROW ; input_data | |
| 510 add edi, byte 2*SIZEOF_JSAMPROW ; output_data | |
| 511 sub ecx, byte 2 ; rowctr | |
| 512 jg near .rowloop | |
| 513 | |
| 514 emms ; empty MMX state | |
| 515 | |
| 516 .return: | |
| 517 pop edi | |
| 518 pop esi | |
| 519 ; pop edx ; need not be preserved | |
| 520 ; pop ecx ; need not be preserved | |
| 521 pop ebx | |
| 522 mov esp,ebp ; esp <- aligned ebp | |
| 523 pop esp ; esp <- original ebp | |
| 524 pop ebp | |
| 525 ret | |
| 526 | |
| 527 ; -------------------------------------------------------------------------- | |
| 528 ; | |
| 529 ; Fast processing for the common case of 2:1 horizontal and 1:1 vertical. | |
| 530 ; It's still a box filter. | |
| 531 ; | |
| 532 ; GLOBAL(void) | |
| 533 ; jsimd_h2v1_upsample_mmx (int max_v_samp_factor, | |
| 534 ; JDIMENSION output_width, | |
| 535 ; JSAMPARRAY input_data, | |
| 536 ; JSAMPARRAY * output_data_ptr); | |
| 537 ; | |
| 538 | |
| 539 %define max_v_samp(b) (b)+8 ; int max_v_samp_factor | |
| 540 %define output_width(b) (b)+12 ; JDIMENSION output_width | |
| 541 %define input_data(b) (b)+16 ; JSAMPARRAY input_data | |
| 542 %define output_data_ptr(b) (b)+20 ; JSAMPARRAY * output_data_ptr | |
| 543 | |
| 544 align 16 | |
| 545 global EXTN(jsimd_h2v1_upsample_mmx) | |
| 546 | |
| 547 EXTN(jsimd_h2v1_upsample_mmx): | |
| 548 push ebp | |
| 549 mov ebp,esp | |
| 550 ; push ebx ; unused | |
| 551 ; push ecx ; need not be preserved | |
| 552 ; push edx ; need not be preserved | |
| 553 push esi | |
| 554 push edi | |
| 555 | |
| 556 mov edx, JDIMENSION [output_width(ebp)] | |
| 557 add edx, byte (2*SIZEOF_MMWORD)-1 | |
| 558 and edx, byte -(2*SIZEOF_MMWORD) | |
| 559 jz short .return | |
| 560 | |
| 561 mov ecx, INT [max_v_samp(ebp)] ; rowctr | |
| 562 test ecx,ecx | |
| 563 jz short .return | |
| 564 | |
| 565 mov esi, JSAMPARRAY [input_data(ebp)] ; input_data | |
| 566 mov edi, POINTER [output_data_ptr(ebp)] | |
| 567 mov edi, JSAMPARRAY [edi] ; output_data | |
| 568 alignx 16,7 | |
| 569 .rowloop: | |
| 570 push edi | |
| 571 push esi | |
| 572 | |
| 573 mov esi, JSAMPROW [esi] ; inptr | |
| 574 mov edi, JSAMPROW [edi] ; outptr | |
| 575 mov eax,edx ; colctr | |
| 576 alignx 16,7 | |
| 577 .columnloop: | |
| 578 | |
| 579 movq mm0, MMWORD [esi+0*SIZEOF_MMWORD] | |
| 580 | |
| 581 movq mm1,mm0 | |
| 582 punpcklbw mm0,mm0 | |
| 583 punpckhbw mm1,mm1 | |
| 584 | |
| 585 movq MMWORD [edi+0*SIZEOF_MMWORD], mm0 | |
| 586 movq MMWORD [edi+1*SIZEOF_MMWORD], mm1 | |
| 587 | |
| 588 sub eax, byte 2*SIZEOF_MMWORD | |
| 589 jz short .nextrow | |
| 590 | |
| 591 movq mm2, MMWORD [esi+1*SIZEOF_MMWORD] | |
| 592 | |
| 593 movq mm3,mm2 | |
| 594 punpcklbw mm2,mm2 | |
| 595 punpckhbw mm3,mm3 | |
| 596 | |
| 597 movq MMWORD [edi+2*SIZEOF_MMWORD], mm2 | |
| 598 movq MMWORD [edi+3*SIZEOF_MMWORD], mm3 | |
| 599 | |
| 600 sub eax, byte 2*SIZEOF_MMWORD | |
| 601 jz short .nextrow | |
| 602 | |
| 603 add esi, byte 2*SIZEOF_MMWORD ; inptr | |
| 604 add edi, byte 4*SIZEOF_MMWORD ; outptr | |
| 605 jmp short .columnloop | |
| 606 alignx 16,7 | |
| 607 | |
| 608 .nextrow: | |
| 609 pop esi | |
| 610 pop edi | |
| 611 | |
| 612 add esi, byte SIZEOF_JSAMPROW ; input_data | |
| 613 add edi, byte SIZEOF_JSAMPROW ; output_data | |
| 614 dec ecx ; rowctr | |
| 615 jg short .rowloop | |
| 616 | |
| 617 emms ; empty MMX state | |
| 618 | |
| 619 .return: | |
| 620 pop edi | |
| 621 pop esi | |
| 622 ; pop edx ; need not be preserved | |
| 623 ; pop ecx ; need not be preserved | |
| 624 ; pop ebx ; unused | |
| 625 pop ebp | |
| 626 ret | |
| 627 | |
| 628 ; -------------------------------------------------------------------------- | |
| 629 ; | |
| 630 ; Fast processing for the common case of 2:1 horizontal and 2:1 vertical. | |
| 631 ; It's still a box filter. | |
| 632 ; | |
| 633 ; GLOBAL(void) | |
| 634 ; jsimd_h2v2_upsample_mmx (int max_v_samp_factor, | |
| 635 ; JDIMENSION output_width, | |
| 636 ; JSAMPARRAY input_data, | |
| 637 ; JSAMPARRAY * output_data_ptr); | |
| 638 ; | |
| 639 | |
| 640 %define max_v_samp(b) (b)+8 ; int max_v_samp_factor | |
| 641 %define output_width(b) (b)+12 ; JDIMENSION output_width | |
| 642 %define input_data(b) (b)+16 ; JSAMPARRAY input_data | |
| 643 %define output_data_ptr(b) (b)+20 ; JSAMPARRAY * output_data_ptr | |
| 644 | |
| 645 align 16 | |
| 646 global EXTN(jsimd_h2v2_upsample_mmx) | |
| 647 | |
| 648 EXTN(jsimd_h2v2_upsample_mmx): | |
| 649 push ebp | |
| 650 mov ebp,esp | |
| 651 push ebx | |
| 652 ; push ecx ; need not be preserved | |
| 653 ; push edx ; need not be preserved | |
| 654 push esi | |
| 655 push edi | |
| 656 | |
| 657 mov edx, JDIMENSION [output_width(ebp)] | |
| 658 add edx, byte (2*SIZEOF_MMWORD)-1 | |
| 659 and edx, byte -(2*SIZEOF_MMWORD) | |
| 660 jz near .return | |
| 661 | |
| 662 mov ecx, INT [max_v_samp(ebp)] ; rowctr | |
| 663 test ecx,ecx | |
| 664 jz short .return | |
| 665 | |
| 666 mov esi, JSAMPARRAY [input_data(ebp)] ; input_data | |
| 667 mov edi, POINTER [output_data_ptr(ebp)] | |
| 668 mov edi, JSAMPARRAY [edi] ; output_data | |
| 669 alignx 16,7 | |
| 670 .rowloop: | |
| 671 push edi | |
| 672 push esi | |
| 673 | |
| 674 mov esi, JSAMPROW [esi] ; inptr | |
| 675 mov ebx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] ; outptr0 | |
| 676 mov edi, JSAMPROW [edi+1*SIZEOF_JSAMPROW] ; outptr1 | |
| 677 mov eax,edx ; colctr | |
| 678 alignx 16,7 | |
| 679 .columnloop: | |
| 680 | |
| 681 movq mm0, MMWORD [esi+0*SIZEOF_MMWORD] | |
| 682 | |
| 683 movq mm1,mm0 | |
| 684 punpcklbw mm0,mm0 | |
| 685 punpckhbw mm1,mm1 | |
| 686 | |
| 687 movq MMWORD [ebx+0*SIZEOF_MMWORD], mm0 | |
| 688 movq MMWORD [ebx+1*SIZEOF_MMWORD], mm1 | |
| 689 movq MMWORD [edi+0*SIZEOF_MMWORD], mm0 | |
| 690 movq MMWORD [edi+1*SIZEOF_MMWORD], mm1 | |
| 691 | |
| 692 sub eax, byte 2*SIZEOF_MMWORD | |
| 693 jz short .nextrow | |
| 694 | |
| 695 movq mm2, MMWORD [esi+1*SIZEOF_MMWORD] | |
| 696 | |
| 697 movq mm3,mm2 | |
| 698 punpcklbw mm2,mm2 | |
| 699 punpckhbw mm3,mm3 | |
| 700 | |
| 701 movq MMWORD [ebx+2*SIZEOF_MMWORD], mm2 | |
| 702 movq MMWORD [ebx+3*SIZEOF_MMWORD], mm3 | |
| 703 movq MMWORD [edi+2*SIZEOF_MMWORD], mm2 | |
| 704 movq MMWORD [edi+3*SIZEOF_MMWORD], mm3 | |
| 705 | |
| 706 sub eax, byte 2*SIZEOF_MMWORD | |
| 707 jz short .nextrow | |
| 708 | |
| 709 add esi, byte 2*SIZEOF_MMWORD ; inptr | |
| 710 add ebx, byte 4*SIZEOF_MMWORD ; outptr0 | |
| 711 add edi, byte 4*SIZEOF_MMWORD ; outptr1 | |
| 712 jmp short .columnloop | |
| 713 alignx 16,7 | |
| 714 | |
| 715 .nextrow: | |
| 716 pop esi | |
| 717 pop edi | |
| 718 | |
| 719 add esi, byte 1*SIZEOF_JSAMPROW ; input_data | |
| 720 add edi, byte 2*SIZEOF_JSAMPROW ; output_data | |
| 721 sub ecx, byte 2 ; rowctr | |
| 722 jg short .rowloop | |
| 723 | |
| 724 emms ; empty MMX state | |
| 725 | |
| 726 .return: | |
| 727 pop edi | |
| 728 pop esi | |
| 729 ; pop edx ; need not be preserved | |
| 730 ; pop ecx ; need not be preserved | |
| 731 pop ebx | |
| 732 pop ebp | |
| 733 ret | |
| 734 | |
| 735 ; For some reason, the OS X linker does not honor the request to align the | |
| 736 ; segment unless we do this. | |
| 737 align 16 |
