2 ; jdcolext.asm - colorspace conversion (AVX2)
4 ; Copyright 2009, 2012 Pierre Ossman <ossman@cendio.se> for Cendio AB
5 ; Copyright (C) 2012, 2016, D. R. Commander.
6 ; Copyright (C) 2015, Intel Corporation.
8 ; Based on the x86 SIMD extension for IJG JPEG library
9 ; Copyright (C) 1999-2006, MIYASAKA Masaru.
10 ; For conditions of distribution and use, see copyright notice in jsimdext.inc
12 ; This file should be assembled with NASM (Netwide Assembler),
13 ; can *not* be assembled with Microsoft's MASM or any compatible
14 ; assembler (including Borland's Turbo Assembler).
15 ; NASM is available from http://nasm.sourceforge.net/ or
16 ; http://sourceforge.net/project/showfiles.php?group_id=6208
20 %include "jcolsamp.inc"
22 ; --------------------------------------------------------------------------
24 ; Convert some rows of samples to the output colorspace.
27 ; jsimd_ycc_rgb_convert_avx2(JDIMENSION out_width, JSAMPIMAGE input_buf,
28 ; JDIMENSION input_row, JSAMPARRAY output_buf,
32 %define out_width(b) (b) + 8 ; JDIMENSION out_width
33 %define input_buf(b) (b) + 12 ; JSAMPIMAGE input_buf
34 %define input_row(b) (b) + 16 ; JDIMENSION input_row
35 %define output_buf(b) (b) + 20 ; JSAMPARRAY output_buf
36 %define num_rows(b) (b) + 24 ; int num_rows
38 %define original_ebp ebp + 0
39 %define wk(i) ebp - (WK_NUM - (i)) * SIZEOF_YMMWORD
42 %define gotptr wk(0) - SIZEOF_POINTER ; void * gotptr
45 GLOBAL_FUNCTION(jsimd_ycc_rgb_convert_avx2)
47 EXTN(jsimd_ycc_rgb_convert_avx2):
49 mov eax, esp ; eax = original ebp
51 and esp, byte (-SIZEOF_YMMWORD) ; align to 256 bits
53 mov ebp, esp ; ebp = aligned ebp
55 pushpic eax ; make a room for GOT address
57 ; push ecx ; need not be preserved
58 ; push edx ; need not be preserved
62 get_GOT ebx ; get GOT address
63 movpic POINTER [gotptr], ebx ; save GOT address
65 mov ecx, JDIMENSION [out_width(eax)] ; num_cols
71 mov edi, JSAMPIMAGE [input_buf(eax)]
72 mov ecx, JDIMENSION [input_row(eax)]
73 mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY]
74 mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY]
75 mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY]
76 lea esi, [esi+ecx*SIZEOF_JSAMPROW]
77 lea ebx, [ebx+ecx*SIZEOF_JSAMPROW]
78 lea edx, [edx+ecx*SIZEOF_JSAMPROW]
82 mov edi, JSAMPARRAY [output_buf(eax)]
83 mov eax, INT [num_rows(eax)]
95 mov esi, JSAMPROW [esi] ; inptr0
96 mov ebx, JSAMPROW [ebx] ; inptr1
97 mov edx, JSAMPROW [edx] ; inptr2
98 mov edi, JSAMPROW [edi] ; outptr
99 movpic eax, POINTER [gotptr] ; load GOT address (eax)
103 vmovdqu ymm5, YMMWORD [ebx] ; ymm5=Cb(0123456789ABCDEFGHIJKLMNOPQRSTUV)
104 vmovdqu ymm1, YMMWORD [edx] ; ymm1=Cr(0123456789ABCDEFGHIJKLMNOPQRSTUV)
106 vpcmpeqw ymm0, ymm0, ymm0
107 vpcmpeqw ymm7, ymm7, ymm7
108 vpsrlw ymm0, ymm0, BYTE_BIT ; ymm0={0xFF 0x00 0xFF 0x00 ..}
109 vpsllw ymm7, ymm7, 7 ; ymm7={0xFF80 0xFF80 0xFF80 0xFF80 ..}
111 vpand ymm4, ymm0, ymm5 ; ymm4=Cb(02468ACEGIKMOQSU)=CbE
112 vpsrlw ymm5, ymm5, BYTE_BIT ; ymm5=Cb(13579BDFHJLNPRTV)=CbO
113 vpand ymm0, ymm0, ymm1 ; ymm0=Cr(02468ACEGIKMOQSU)=CrE
114 vpsrlw ymm1, ymm1, BYTE_BIT ; ymm1=Cr(13579BDFHJLNPRTV)=CrO
116 vpaddw ymm2, ymm4, ymm7
117 vpaddw ymm3, ymm5, ymm7
118 vpaddw ymm6, ymm0, ymm7
119 vpaddw ymm7, ymm1, ymm7
122 ; R = Y + 1.40200 * Cr
123 ; G = Y - 0.34414 * Cb - 0.71414 * Cr
124 ; B = Y + 1.77200 * Cb
126 ; (This implementation)
127 ; R = Y + 0.40200 * Cr + Cr
128 ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr
129 ; B = Y - 0.22800 * Cb + Cb + Cb
131 vpaddw ymm4, ymm2, ymm2 ; ymm4=2*CbE
132 vpaddw ymm5, ymm3, ymm3 ; ymm5=2*CbO
133 vpaddw ymm0, ymm6, ymm6 ; ymm0=2*CrE
134 vpaddw ymm1, ymm7, ymm7 ; ymm1=2*CrO
136 vpmulhw ymm4, ymm4, [GOTOFF(eax,PW_MF0228)] ; ymm4=(2*CbE * -FIX(0.22800))
137 vpmulhw ymm5, ymm5, [GOTOFF(eax,PW_MF0228)] ; ymm5=(2*CbO * -FIX(0.22800))
138 vpmulhw ymm0, ymm0, [GOTOFF(eax,PW_F0402)] ; ymm0=(2*CrE * FIX(0.40200))
139 vpmulhw ymm1, ymm1, [GOTOFF(eax,PW_F0402)] ; ymm1=(2*CrO * FIX(0.40200))
141 vpaddw ymm4, ymm4, [GOTOFF(eax,PW_ONE)]
142 vpaddw ymm5, ymm5, [GOTOFF(eax,PW_ONE)]
143 vpsraw ymm4, ymm4, 1 ; ymm4=(CbE * -FIX(0.22800))
144 vpsraw ymm5, ymm5, 1 ; ymm5=(CbO * -FIX(0.22800))
145 vpaddw ymm0, ymm0, [GOTOFF(eax,PW_ONE)]
146 vpaddw ymm1, ymm1, [GOTOFF(eax,PW_ONE)]
147 vpsraw ymm0, ymm0, 1 ; ymm0=(CrE * FIX(0.40200))
148 vpsraw ymm1, ymm1, 1 ; ymm1=(CrO * FIX(0.40200))
150 vpaddw ymm4, ymm4, ymm2
151 vpaddw ymm5, ymm5, ymm3
152 vpaddw ymm4, ymm4, ymm2 ; ymm4=(CbE * FIX(1.77200))=(B-Y)E
153 vpaddw ymm5, ymm5, ymm3 ; ymm5=(CbO * FIX(1.77200))=(B-Y)O
154 vpaddw ymm0, ymm0, ymm6 ; ymm0=(CrE * FIX(1.40200))=(R-Y)E
155 vpaddw ymm1, ymm1, ymm7 ; ymm1=(CrO * FIX(1.40200))=(R-Y)O
157 vmovdqa YMMWORD [wk(0)], ymm4 ; wk(0)=(B-Y)E
158 vmovdqa YMMWORD [wk(1)], ymm5 ; wk(1)=(B-Y)O
160 vpunpckhwd ymm4, ymm2, ymm6
161 vpunpcklwd ymm2, ymm2, ymm6
162 vpmaddwd ymm2, ymm2, [GOTOFF(eax,PW_MF0344_F0285)]
163 vpmaddwd ymm4, ymm4, [GOTOFF(eax,PW_MF0344_F0285)]
164 vpunpckhwd ymm5, ymm3, ymm7
165 vpunpcklwd ymm3, ymm3, ymm7
166 vpmaddwd ymm3, ymm3, [GOTOFF(eax,PW_MF0344_F0285)]
167 vpmaddwd ymm5, ymm5, [GOTOFF(eax,PW_MF0344_F0285)]
169 vpaddd ymm2, ymm2, [GOTOFF(eax,PD_ONEHALF)]
170 vpaddd ymm4, ymm4, [GOTOFF(eax,PD_ONEHALF)]
171 vpsrad ymm2, ymm2, SCALEBITS
172 vpsrad ymm4, ymm4, SCALEBITS
173 vpaddd ymm3, ymm3, [GOTOFF(eax,PD_ONEHALF)]
174 vpaddd ymm5, ymm5, [GOTOFF(eax,PD_ONEHALF)]
175 vpsrad ymm3, ymm3, SCALEBITS
176 vpsrad ymm5, ymm5, SCALEBITS
178 vpackssdw ymm2, ymm2, ymm4 ; ymm2=CbE*-FIX(0.344)+CrE*FIX(0.285)
179 vpackssdw ymm3, ymm3, ymm5 ; ymm3=CbO*-FIX(0.344)+CrO*FIX(0.285)
180 vpsubw ymm2, ymm2, ymm6 ; ymm2=CbE*-FIX(0.344)+CrE*-FIX(0.714)=(G-Y)E
181 vpsubw ymm3, ymm3, ymm7 ; ymm3=CbO*-FIX(0.344)+CrO*-FIX(0.714)=(G-Y)O
183 vmovdqu ymm5, YMMWORD [esi] ; ymm5=Y(0123456789ABCDEFGHIJKLMNOPQRSTUV)
185 vpcmpeqw ymm4, ymm4, ymm4
186 vpsrlw ymm4, ymm4, BYTE_BIT ; ymm4={0xFF 0x00 0xFF 0x00 ..}
187 vpand ymm4, ymm4, ymm5 ; ymm4=Y(02468ACEGIKMOQSU)=YE
188 vpsrlw ymm5, ymm5, BYTE_BIT ; ymm5=Y(13579BDFHJLNPRTV)=YO
190 vpaddw ymm0, ymm0, ymm4 ; ymm0=((R-Y)E+YE)=RE=R(02468ACEGIKMOQSU)
191 vpaddw ymm1, ymm1, ymm5 ; ymm1=((R-Y)O+YO)=RO=R(13579BDFHJLNPRTV)
192 vpackuswb ymm0, ymm0, ymm0 ; ymm0=R(02468ACE********GIKMOQSU********)
193 vpackuswb ymm1, ymm1, ymm1 ; ymm1=R(13579BDF********HJLNPRTV********)
195 vpaddw ymm2, ymm2, ymm4 ; ymm2=((G-Y)E+YE)=GE=G(02468ACEGIKMOQSU)
196 vpaddw ymm3, ymm3, ymm5 ; ymm3=((G-Y)O+YO)=GO=G(13579BDFHJLNPRTV)
197 vpackuswb ymm2, ymm2, ymm2 ; ymm2=G(02468ACE********GIKMOQSU********)
198 vpackuswb ymm3, ymm3, ymm3 ; ymm3=G(13579BDF********HJLNPRTV********)
200 vpaddw ymm4, ymm4, YMMWORD [wk(0)] ; ymm4=(YE+(B-Y)E)=BE=B(02468ACEGIKMOQSU)
201 vpaddw ymm5, ymm5, YMMWORD [wk(1)] ; ymm5=(YO+(B-Y)O)=BO=B(13579BDFHJLNPRTV)
202 vpackuswb ymm4, ymm4, ymm4 ; ymm4=B(02468ACE********GIKMOQSU********)
203 vpackuswb ymm5, ymm5, ymm5 ; ymm5=B(13579BDF********HJLNPRTV********)
205 %if RGB_PIXELSIZE == 3 ; ---------------
207 ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **)
208 ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **)
209 ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **)
210 ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **)
211 ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **)
212 ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **)
213 ; ymmG=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **)
214 ; ymmH=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **)
216 vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E
217 ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U)
218 vpunpcklbw ymmE, ymmE, ymmB ; ymmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F
219 ; 2G 0H 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V)
220 vpunpcklbw ymmD, ymmD, ymmF ; ymmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F
221 ; 1H 2H 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V)
223 vpsrldq ymmH, ymmA, 2 ; ymmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 0G 1G
224 ; 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U -- --)
225 vpunpckhwd ymmG, ymmA, ymmE ; ymmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F
226 ; 0O 1O 2O 0P 0Q 1Q 2Q 0R 0S 1S 2S 0T 0U 1U 2U 0V)
227 vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07
228 ; 0G 1G 2G 0H 0I 1I 2I 0J 0K 1K 2K 0L 0M 1M 2M 0N)
230 vpsrldq ymmE, ymmE, 2 ; ymmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 2G 0H
231 ; 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V -- --)
233 vpsrldq ymmB, ymmD, 2 ; ymmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 1H 2H
234 ; 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V -- --)
235 vpunpckhwd ymmC, ymmD, ymmH ; ymmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F 0G 1G
236 ; 1P 2P 0Q 1Q 1R 2R 0S 1S 1T 2T 0U 1U 1V 2V -- --)
237 vpunpcklwd ymmD, ymmD, ymmH ; ymmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18
238 ; 1H 2H 0I 1I 1J 2J 0K 1K 1L 2L 0M 1M 1N 2N 0O 1O)
240 vpunpckhwd ymmF, ymmE, ymmB ; ymmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F 2G 0H 1H 2H
241 ; 2Q 0R 1R 2R 2S 0T 1T 2T 2U 0V 1V 2V -- -- -- --)
242 vpunpcklwd ymmE, ymmE, ymmB ; ymmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29
243 ; 2I 0J 1J 2J 2K 0L 1L 2L 2M 0N 1N 2N 2O 0P 1P 2P)
245 vpshufd ymmH, ymmA, 0x4E ; ymmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03
246 ; 0K 1K 2K 0L 0M 1M 2M 0N 0G 1G 2G 0H 0I 1I 2I 0J)
247 vpunpckldq ymmA, ymmA, ymmD ; ymmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14
248 ; 0G 1G 2G 0H 1H 2H 0I 1I 0I 1I 2I 0J 1J 2J 0K 1K)
249 vpunpckhdq ymmD, ymmD, ymmE ; ymmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29
250 ; 1L 2L 0M 1M 2M 0N 1N 2N 1N 2N 0O 1O 2O 0P 1P 2P)
251 vpunpckldq ymmE, ymmE, ymmH ; ymmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07
252 ; 2I 0J 1J 2J 0K 1K 2K 0L 2K 0L 1L 2L 0M 1M 2M 0N)
254 vpshufd ymmH, ymmG, 0x4E ; ymmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B
255 ; 0S 1S 2S 0T 0U 1U 2U 0V 0O 1O 2O 0P 0Q 1Q 2Q 0R)
256 vpunpckldq ymmG, ymmG, ymmC ; ymmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C
257 ; 0O 1O 2O 0P 1P 2P 0Q 1Q 0Q 1Q 2Q 0R 1R 2R 0S 1S)
258 vpunpckhdq ymmC, ymmC, ymmF ; ymmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F 0G 1G 2G 0H 1H 2H
259 ; 1T 2T 0U 1U 2U 0V 1V 2V 1V 2V -- -- -- -- -- --)
260 vpunpckldq ymmF, ymmF, ymmH ; ymmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F
261 ; 2Q 0R 1R 2R 0S 1S 2S 0T 2S 0T 1T 2T 0U 1U 2U 0V)
263 vpunpcklqdq ymmH, ymmA, ymmE ; ymmH=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05
264 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L)
265 vpunpcklqdq ymmG, ymmD, ymmG ; ymmG=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A
266 ; 1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q)
267 vpunpcklqdq ymmC, ymmF, ymmC ; ymmC=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F
268 ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V)
270 vperm2i128 ymmA, ymmH, ymmG, 0x20 ; ymmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05
271 ; 15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A)
272 vperm2i128 ymmD, ymmC, ymmH, 0x30 ; ymmD=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F
273 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L)
274 vperm2i128 ymmF, ymmG, ymmC, 0x31 ; ymmF=(1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q
275 ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V)
277 cmp ecx, byte SIZEOF_YMMWORD
278 jb short .column_st64
280 test edi, SIZEOF_YMMWORD-1
282 ; --(aligned)-------------------
283 vmovntdq YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA
284 vmovntdq YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD
285 vmovntdq YMMWORD [edi+2*SIZEOF_YMMWORD], ymmF
287 .out1: ; --(unaligned)-----------------
288 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA
289 vmovdqu YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD
290 vmovdqu YMMWORD [edi+2*SIZEOF_YMMWORD], ymmF
292 add edi, byte RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr
293 sub ecx, byte SIZEOF_YMMWORD
296 add esi, byte SIZEOF_YMMWORD ; inptr0
297 add ebx, byte SIZEOF_YMMWORD ; inptr1
298 add edx, byte SIZEOF_YMMWORD ; inptr2
303 lea ecx, [ecx+ecx*2] ; imul ecx, RGB_PIXELSIZE
304 cmp ecx, byte 2*SIZEOF_YMMWORD
305 jb short .column_st32
306 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA
307 vmovdqu YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD
308 add edi, byte 2*SIZEOF_YMMWORD ; outptr
310 sub ecx, byte 2*SIZEOF_YMMWORD
311 jmp short .column_st31
313 cmp ecx, byte SIZEOF_YMMWORD
314 jb short .column_st31
315 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA
316 add edi, byte SIZEOF_YMMWORD ; outptr
318 sub ecx, byte SIZEOF_YMMWORD
319 jmp short .column_st31
321 cmp ecx, byte SIZEOF_XMMWORD
322 jb short .column_st15
323 vmovdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA
324 add edi, byte SIZEOF_XMMWORD ; outptr
325 vperm2i128 ymmA, ymmA, ymmA, 1
326 sub ecx, byte SIZEOF_XMMWORD
328 ; Store the lower 8 bytes of xmmA to the output when it has enough
330 cmp ecx, byte SIZEOF_MMWORD
332 vmovq XMM_MMWORD [edi], xmmA
333 add edi, byte SIZEOF_MMWORD
334 sub ecx, byte SIZEOF_MMWORD
335 vpsrldq xmmA, xmmA, SIZEOF_MMWORD
337 ; Store the lower 4 bytes of xmmA to the output when it has enough
339 cmp ecx, byte SIZEOF_DWORD
341 vmovd XMM_DWORD [edi], xmmA
342 add edi, byte SIZEOF_DWORD
343 sub ecx, byte SIZEOF_DWORD
344 vpsrldq xmmA, xmmA, SIZEOF_DWORD
346 ; Store the lower 2 bytes of eax to the output when it has enough
349 cmp ecx, byte SIZEOF_WORD
352 add edi, byte SIZEOF_WORD
353 sub ecx, byte SIZEOF_WORD
356 ; Store the lower 1 byte of eax to the output when it has enough
362 %else ; RGB_PIXELSIZE == 4 ; -----------
364 %ifdef RGBX_FILLER_0XFF
365 vpcmpeqb ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********)
366 vpcmpeqb ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********)
368 vpxor ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********)
369 vpxor ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********)
371 ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **)
372 ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **)
373 ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **)
374 ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **)
375 ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **)
376 ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **)
377 ; ymmG=(30 32 34 36 38 3A 3C 3E ** 3G 3I 3K 3M 3O 3Q 3S 3U **)
378 ; ymmH=(31 33 35 37 39 3B 3D 3F ** 3H 3J 3L 3N 3P 3R 3T 3V **)
380 vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E
381 ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U)
382 vpunpcklbw ymmE, ymmE, ymmG ; ymmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E
383 ; 2G 3G 2I 3I 2K 3K 2M 3M 2O 3O 2Q 3Q 2S 3S 2U 3U)
384 vpunpcklbw ymmB, ymmB, ymmD ; ymmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F
385 ; 0H 1H 0J 1J 0L 1L 0N 1N 0P 1P 0R 1R 0T 1T 0V 1V)
386 vpunpcklbw ymmF, ymmF, ymmH ; ymmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F
387 ; 2H 3H 2J 3J 2L 3L 2N 3N 2P 3P 2R 3R 2T 3T 2V 3V)
389 vpunpckhwd ymmC, ymmA, ymmE ; ymmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E
390 ; 0O 1O 2O 3O 0Q 1Q 2Q 3Q 0S 1S 2S 3S 0U 1U 2U 3U)
391 vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36
392 ; 0G 1G 2G 3G 0I 1I 2I 3I 0K 1K 2K 3K 0M 1M 2M 3M)
393 vpunpckhwd ymmG, ymmB, ymmF ; ymmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F
394 ; 0P 1P 2P 3P 0R 1R 2R 3R 0T 1T 2T 3T 0V 1V 2V 3V)
395 vpunpcklwd ymmB, ymmB, ymmF ; ymmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37
396 ; 0H 1H 2H 3H 0J 1J 2J 3J 0L 1L 2L 3L 0N 1N 2N 3N)
398 vpunpckhdq ymmE, ymmA, ymmB ; ymmE=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37
399 ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N)
400 vpunpckldq ymmB, ymmA, ymmB ; ymmB=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33
401 ; 0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J)
402 vpunpckhdq ymmF, ymmC, ymmG ; ymmF=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F
403 ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V)
404 vpunpckldq ymmG, ymmC, ymmG ; ymmG=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B
405 ; 0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R)
407 vperm2i128 ymmA, ymmB, ymmE, 0x20 ; ymmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33
408 ; 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37)
409 vperm2i128 ymmD, ymmG, ymmF, 0x20 ; ymmD=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B
410 ; 0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F)
411 vperm2i128 ymmC, ymmB, ymmE, 0x31 ; ymmC=(0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J
412 ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N)
413 vperm2i128 ymmH, ymmG, ymmF, 0x31 ; ymmH=(0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R
414 ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V)
416 cmp ecx, byte SIZEOF_YMMWORD
417 jb short .column_st64
419 test edi, SIZEOF_YMMWORD-1
421 ; --(aligned)-------------------
422 vmovntdq YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA
423 vmovntdq YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD
424 vmovntdq YMMWORD [edi+2*SIZEOF_YMMWORD], ymmC
425 vmovntdq YMMWORD [edi+3*SIZEOF_YMMWORD], ymmH
427 .out1: ; --(unaligned)-----------------
428 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA
429 vmovdqu YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD
430 vmovdqu YMMWORD [edi+2*SIZEOF_YMMWORD], ymmC
431 vmovdqu YMMWORD [edi+3*SIZEOF_YMMWORD], ymmH
433 add edi, RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr
434 sub ecx, byte SIZEOF_YMMWORD
437 add esi, byte SIZEOF_YMMWORD ; inptr0
438 add ebx, byte SIZEOF_YMMWORD ; inptr1
439 add edx, byte SIZEOF_YMMWORD ; inptr2
444 cmp ecx, byte SIZEOF_YMMWORD/2
445 jb short .column_st32
446 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA
447 vmovdqu YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD
448 add edi, byte 2*SIZEOF_YMMWORD ; outptr
451 sub ecx, byte SIZEOF_YMMWORD/2
453 cmp ecx, byte SIZEOF_YMMWORD/4
454 jb short .column_st16
455 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA
456 add edi, byte SIZEOF_YMMWORD ; outptr
458 sub ecx, byte SIZEOF_YMMWORD/4
460 cmp ecx, byte SIZEOF_YMMWORD/8
461 jb short .column_st15
462 vmovdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA
463 vperm2i128 ymmA, ymmA, ymmA, 1
464 add edi, byte SIZEOF_XMMWORD ; outptr
465 sub ecx, byte SIZEOF_YMMWORD/8
467 ; Store two pixels (8 bytes) of ymmA to the output when it has enough
469 cmp ecx, byte SIZEOF_YMMWORD/16
471 vmovq MMWORD [edi], xmmA
472 add edi, byte SIZEOF_YMMWORD/16*4
473 sub ecx, byte SIZEOF_YMMWORD/16
474 vpsrldq xmmA, SIZEOF_YMMWORD/16*4
476 ; Store one pixel (4 bytes) of ymmA to the output when it has enough
480 vmovd XMM_DWORD [edi], xmmA
482 %endif ; RGB_PIXELSIZE ; ---------------
494 add esi, byte SIZEOF_JSAMPROW
495 add ebx, byte SIZEOF_JSAMPROW
496 add edx, byte SIZEOF_JSAMPROW
497 add edi, byte SIZEOF_JSAMPROW ; output_buf
501 sfence ; flush the write buffer
507 ; pop edx ; need not be preserved
508 ; pop ecx ; need not be preserved
510 mov esp, ebp ; esp <- aligned ebp
511 pop esp ; esp <- original ebp
515 ; For some reason, the OS X linker does not honor the request to align the
516 ; segment unless we do this.