jdmrgext-avx2.asm (27254B)
1 ; 2 ; jdmrgext.asm - merged upsampling/color conversion (AVX2) 3 ; 4 ; Copyright 2009, 2012 Pierre Ossman <ossman@cendio.se> for Cendio AB 5 ; Copyright (C) 2012, 2016, 2024, D. R. Commander. 6 ; Copyright (C) 2015, Intel Corporation. 7 ; 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 11 ; 12 ; This file should be assembled with NASM (Netwide Assembler) or Yasm. 13 14 %include "jcolsamp.inc" 15 16 ; -------------------------------------------------------------------------- 17 ; 18 ; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical. 19 ; 20 ; GLOBAL(void) 21 ; jsimd_h2v1_merged_upsample_avx2(JDIMENSION output_width, 22 ; JSAMPIMAGE input_buf, 23 ; JDIMENSION in_row_group_ctr, 24 ; JSAMPARRAY output_buf); 25 ; 26 27 %define output_width(b) (b) + 8 ; JDIMENSION output_width 28 %define input_buf(b) (b) + 12 ; JSAMPIMAGE input_buf 29 %define in_row_group_ctr(b) (b) + 16 ; JDIMENSION in_row_group_ctr 30 %define output_buf(b) (b) + 20 ; JSAMPARRAY output_buf 31 32 %define original_ebp ebp + 0 33 %define wk(i) ebp - (WK_NUM - (i)) * SIZEOF_YMMWORD 34 ; ymmword wk[WK_NUM] 35 %define WK_NUM 3 36 %define gotptr wk(0) - SIZEOF_POINTER ; void * gotptr 37 38 align 32 39 GLOBAL_FUNCTION(jsimd_h2v1_merged_upsample_avx2) 40 41 EXTN(jsimd_h2v1_merged_upsample_avx2): 42 push ebp 43 mov eax, esp ; eax = original ebp 44 sub esp, byte 4 45 and esp, byte (-SIZEOF_YMMWORD) ; align to 256 bits 46 mov [esp], eax 47 mov ebp, esp ; ebp = aligned ebp 48 lea esp, [wk(0)] 49 PUSHPIC eax ; make a room for GOT address 50 push ebx 51 ; push ecx ; need not be preserved 52 ; push edx ; need not be preserved 53 push esi 54 push edi 55 56 GET_GOT ebx ; get GOT address 57 MOVPIC POINTER [gotptr], ebx ; save GOT address 58 59 mov ecx, JDIMENSION [output_width(eax)] ; col 60 test ecx, ecx 61 jz near .return 62 63 push ecx 64 65 mov edi, JSAMPIMAGE [input_buf(eax)] 66 mov ecx, JDIMENSION [in_row_group_ctr(eax)] 67 mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] 68 mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] 69 mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] 70 mov edi, JSAMPARRAY [output_buf(eax)] 71 mov esi, JSAMPROW [esi+ecx*SIZEOF_JSAMPROW] ; inptr0 72 mov ebx, JSAMPROW [ebx+ecx*SIZEOF_JSAMPROW] ; inptr1 73 mov edx, JSAMPROW [edx+ecx*SIZEOF_JSAMPROW] ; inptr2 74 mov edi, JSAMPROW [edi] ; outptr 75 76 pop ecx ; col 77 78 ALIGNX 16, 7 79 .columnloop: 80 MOVPIC eax, POINTER [gotptr] ; load GOT address (eax) 81 82 vmovdqu ymm6, YMMWORD [ebx] ; ymm6=Cb(0123456789ABCDEFGHIJKLMNOPQRSTUV) 83 vmovdqu ymm7, YMMWORD [edx] ; ymm7=Cr(0123456789ABCDEFGHIJKLMNOPQRSTUV) 84 85 vpxor ymm1, ymm1, ymm1 ; ymm1=(all 0's) 86 vpcmpeqw ymm3, ymm3, ymm3 87 vpsllw ymm3, ymm3, 7 ; ymm3={0xFF80 0xFF80 0xFF80 0xFF80 ..} 88 89 vpermq ymm6, ymm6, 0xd8 ; ymm6=Cb(01234567GHIJKLMN89ABCDEFOPQRSTUV) 90 vpermq ymm7, ymm7, 0xd8 ; ymm7=Cr(01234567GHIJKLMN89ABCDEFOPQRSTUV) 91 vpunpcklbw ymm4, ymm6, ymm1 ; ymm4=Cb(0123456789ABCDEF)=CbL 92 vpunpckhbw ymm6, ymm6, ymm1 ; ymm6=Cb(GHIJKLMNOPQRSTUV)=CbH 93 vpunpcklbw ymm0, ymm7, ymm1 ; ymm0=Cr(0123456789ABCDEF)=CrL 94 vpunpckhbw ymm7, ymm7, ymm1 ; ymm7=Cr(GHIJKLMNOPQRSTUV)=CrH 95 96 vpaddw ymm5, ymm6, ymm3 97 vpaddw ymm2, ymm4, ymm3 98 vpaddw ymm1, ymm7, ymm3 99 vpaddw ymm3, ymm0, ymm3 100 101 ; (Original) 102 ; R = Y + 1.40200 * Cr 103 ; G = Y - 0.34414 * Cb - 0.71414 * Cr 104 ; B = Y + 1.77200 * Cb 105 ; 106 ; (This implementation) 107 ; R = Y + 0.40200 * Cr + Cr 108 ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr 109 ; B = Y - 0.22800 * Cb + Cb + Cb 110 111 vpaddw ymm6, ymm5, ymm5 ; ymm6=2*CbH 112 vpaddw ymm4, ymm2, ymm2 ; ymm4=2*CbL 113 vpaddw ymm7, ymm1, ymm1 ; ymm7=2*CrH 114 vpaddw ymm0, ymm3, ymm3 ; ymm0=2*CrL 115 116 vpmulhw ymm6, ymm6, [GOTOFF(eax,PW_MF0228)] ; ymm6=(2*CbH * -FIX(0.22800)) 117 vpmulhw ymm4, ymm4, [GOTOFF(eax,PW_MF0228)] ; ymm4=(2*CbL * -FIX(0.22800)) 118 vpmulhw ymm7, ymm7, [GOTOFF(eax,PW_F0402)] ; ymm7=(2*CrH * FIX(0.40200)) 119 vpmulhw ymm0, ymm0, [GOTOFF(eax,PW_F0402)] ; ymm0=(2*CrL * FIX(0.40200)) 120 121 vpaddw ymm6, ymm6, [GOTOFF(eax,PW_ONE)] 122 vpaddw ymm4, ymm4, [GOTOFF(eax,PW_ONE)] 123 vpsraw ymm6, ymm6, 1 ; ymm6=(CbH * -FIX(0.22800)) 124 vpsraw ymm4, ymm4, 1 ; ymm4=(CbL * -FIX(0.22800)) 125 vpaddw ymm7, ymm7, [GOTOFF(eax,PW_ONE)] 126 vpaddw ymm0, ymm0, [GOTOFF(eax,PW_ONE)] 127 vpsraw ymm7, ymm7, 1 ; ymm7=(CrH * FIX(0.40200)) 128 vpsraw ymm0, ymm0, 1 ; ymm0=(CrL * FIX(0.40200)) 129 130 vpaddw ymm6, ymm6, ymm5 131 vpaddw ymm4, ymm4, ymm2 132 vpaddw ymm6, ymm6, ymm5 ; ymm6=(CbH * FIX(1.77200))=(B-Y)H 133 vpaddw ymm4, ymm4, ymm2 ; ymm4=(CbL * FIX(1.77200))=(B-Y)L 134 vpaddw ymm7, ymm7, ymm1 ; ymm7=(CrH * FIX(1.40200))=(R-Y)H 135 vpaddw ymm0, ymm0, ymm3 ; ymm0=(CrL * FIX(1.40200))=(R-Y)L 136 137 vmovdqa YMMWORD [wk(0)], ymm6 ; wk(0)=(B-Y)H 138 vmovdqa YMMWORD [wk(1)], ymm7 ; wk(1)=(R-Y)H 139 140 vpunpckhwd ymm6, ymm5, ymm1 141 vpunpcklwd ymm5, ymm5, ymm1 142 vpmaddwd ymm5, ymm5, [GOTOFF(eax,PW_MF0344_F0285)] 143 vpmaddwd ymm6, ymm6, [GOTOFF(eax,PW_MF0344_F0285)] 144 vpunpckhwd ymm7, ymm2, ymm3 145 vpunpcklwd ymm2, ymm2, ymm3 146 vpmaddwd ymm2, ymm2, [GOTOFF(eax,PW_MF0344_F0285)] 147 vpmaddwd ymm7, ymm7, [GOTOFF(eax,PW_MF0344_F0285)] 148 149 vpaddd ymm5, ymm5, [GOTOFF(eax,PD_ONEHALF)] 150 vpaddd ymm6, ymm6, [GOTOFF(eax,PD_ONEHALF)] 151 vpsrad ymm5, ymm5, SCALEBITS 152 vpsrad ymm6, ymm6, SCALEBITS 153 vpaddd ymm2, ymm2, [GOTOFF(eax,PD_ONEHALF)] 154 vpaddd ymm7, ymm7, [GOTOFF(eax,PD_ONEHALF)] 155 vpsrad ymm2, ymm2, SCALEBITS 156 vpsrad ymm7, ymm7, SCALEBITS 157 158 vpackssdw ymm5, ymm5, ymm6 ; ymm5=CbH*-FIX(0.344)+CrH*FIX(0.285) 159 vpackssdw ymm2, ymm2, ymm7 ; ymm2=CbL*-FIX(0.344)+CrL*FIX(0.285) 160 vpsubw ymm5, ymm5, ymm1 ; ymm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H 161 vpsubw ymm2, ymm2, ymm3 ; ymm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L 162 163 vmovdqa YMMWORD [wk(2)], ymm5 ; wk(2)=(G-Y)H 164 165 mov al, 2 ; Yctr 166 jmp short .Yloop_1st 167 ALIGNX 16, 7 168 169 .Yloop_2nd: 170 vmovdqa ymm0, YMMWORD [wk(1)] ; ymm0=(R-Y)H 171 vmovdqa ymm2, YMMWORD [wk(2)] ; ymm2=(G-Y)H 172 vmovdqa ymm4, YMMWORD [wk(0)] ; ymm4=(B-Y)H 173 ALIGNX 16, 7 174 175 .Yloop_1st: 176 vmovdqu ymm7, YMMWORD [esi] ; ymm7=Y(0123456789ABCDEFGHIJKLMNOPQRSTUV) 177 178 vpcmpeqw ymm6, ymm6, ymm6 179 vpsrlw ymm6, ymm6, BYTE_BIT ; ymm6={0xFF 0x00 0xFF 0x00 ..} 180 vpand ymm6, ymm6, ymm7 ; ymm6=Y(02468ACEGIKMOQSU)=YE 181 vpsrlw ymm7, ymm7, BYTE_BIT ; ymm7=Y(13579BDFHJLNPRTV)=YO 182 183 vmovdqa ymm1, ymm0 ; ymm1=ymm0=(R-Y)(L/H) 184 vmovdqa ymm3, ymm2 ; ymm3=ymm2=(G-Y)(L/H) 185 vmovdqa ymm5, ymm4 ; ymm5=ymm4=(B-Y)(L/H) 186 187 vpaddw ymm0, ymm0, ymm6 ; ymm0=((R-Y)+YE)=RE=R(02468ACEGIKMOQSU) 188 vpaddw ymm1, ymm1, ymm7 ; ymm1=((R-Y)+YO)=RO=R(13579BDFHJLNPRTV) 189 vpackuswb ymm0, ymm0, ymm0 ; ymm0=R(02468ACE********GIKMOQSU********) 190 vpackuswb ymm1, ymm1, ymm1 ; ymm1=R(13579BDF********HJLNPRTV********) 191 192 vpaddw ymm2, ymm2, ymm6 ; ymm2=((G-Y)+YE)=GE=G(02468ACEGIKMOQSU) 193 vpaddw ymm3, ymm3, ymm7 ; ymm3=((G-Y)+YO)=GO=G(13579BDFHJLNPRTV) 194 vpackuswb ymm2, ymm2, ymm2 ; ymm2=G(02468ACE********GIKMOQSU********) 195 vpackuswb ymm3, ymm3, ymm3 ; ymm3=G(13579BDF********HJLNPRTV********) 196 197 vpaddw ymm4, ymm4, ymm6 ; ymm4=((B-Y)+YE)=BE=B(02468ACEGIKMOQSU) 198 vpaddw ymm5, ymm5, ymm7 ; ymm5=((B-Y)+YO)=BO=B(13579BDFHJLNPRTV) 199 vpackuswb ymm4, ymm4, ymm4 ; ymm4=B(02468ACE********GIKMOQSU********) 200 vpackuswb ymm5, ymm5, ymm5 ; ymm5=B(13579BDF********HJLNPRTV********) 201 202 %if RGB_PIXELSIZE == 3 ; --------------- 203 204 ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **) 205 ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **) 206 ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **) 207 ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **) 208 ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **) 209 ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **) 210 ; ymmG=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **) 211 ; ymmH=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **) 212 213 vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 214 ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U) 215 vpunpcklbw ymmE, ymmE, ymmB ; ymmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 216 ; 2G 0H 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V) 217 vpunpcklbw ymmD, ymmD, ymmF ; ymmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 218 ; 1H 2H 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V) 219 220 vpsrldq ymmH, ymmA, 2 ; ymmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 0G 1G 221 ; 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U -- --) 222 vpunpckhwd ymmG, ymmA, ymmE ; ymmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F 223 ; 0O 1O 2O 0P 0Q 1Q 2Q 0R 0S 1S 2S 0T 0U 1U 2U 0V) 224 vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07 225 ; 0G 1G 2G 0H 0I 1I 2I 0J 0K 1K 2K 0L 0M 1M 2M 0N) 226 227 vpsrldq ymmE, ymmE, 2 ; ymmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 2G 0H 228 ; 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V -- --) 229 230 vpsrldq ymmB, ymmD, 2 ; ymmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 1H 2H 231 ; 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V -- --) 232 vpunpckhwd ymmC, ymmD, ymmH ; ymmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F 0G 1G 233 ; 1P 2P 0Q 1Q 1R 2R 0S 1S 1T 2T 0U 1U 1V 2V -- --) 234 vpunpcklwd ymmD, ymmD, ymmH ; ymmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18 235 ; 1H 2H 0I 1I 1J 2J 0K 1K 1L 2L 0M 1M 1N 2N 0O 1O) 236 237 vpunpckhwd ymmF, ymmE, ymmB ; ymmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F 2G 0H 1H 2H 238 ; 2Q 0R 1R 2R 2S 0T 1T 2T 2U 0V 1V 2V -- -- -- --) 239 vpunpcklwd ymmE, ymmE, ymmB ; ymmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29 240 ; 2I 0J 1J 2J 2K 0L 1L 2L 2M 0N 1N 2N 2O 0P 1P 2P) 241 242 vpshufd ymmH, ymmA, 0x4E ; ymmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03 243 ; 0K 1K 2K 0L 0M 1M 2M 0N 0G 1G 2G 0H 0I 1I 2I 0J) 244 vpunpckldq ymmA, ymmA, ymmD ; ymmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14 245 ; 0G 1G 2G 0H 1H 2H 0I 1I 0I 1I 2I 0J 1J 2J 0K 1K) 246 vpunpckhdq ymmD, ymmD, ymmE ; ymmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29 247 ; 1L 2L 0M 1M 2M 0N 1N 2N 1N 2N 0O 1O 2O 0P 1P 2P) 248 vpunpckldq ymmE, ymmE, ymmH ; ymmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07 249 ; 2I 0J 1J 2J 0K 1K 2K 0L 2K 0L 1L 2L 0M 1M 2M 0N) 250 251 vpshufd ymmH, ymmG, 0x4E ; ymmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B 252 ; 0S 1S 2S 0T 0U 1U 2U 0V 0O 1O 2O 0P 0Q 1Q 2Q 0R) 253 vpunpckldq ymmG, ymmG, ymmC ; ymmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C 254 ; 0O 1O 2O 0P 1P 2P 0Q 1Q 0Q 1Q 2Q 0R 1R 2R 0S 1S) 255 vpunpckhdq ymmC, ymmC, ymmF ; ymmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F 0G 1G 2G 0H 1H 2H 256 ; 1T 2T 0U 1U 2U 0V 1V 2V 1V 2V -- -- -- -- -- --) 257 vpunpckldq ymmF, ymmF, ymmH ; ymmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F 258 ; 2Q 0R 1R 2R 0S 1S 2S 0T 2S 0T 1T 2T 0U 1U 2U 0V) 259 260 vpunpcklqdq ymmH, ymmA, ymmE ; ymmH=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05 261 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L) 262 vpunpcklqdq ymmG, ymmD, ymmG ; ymmG=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A 263 ; 1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q) 264 vpunpcklqdq ymmC, ymmF, ymmC ; ymmC=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F 265 ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V) 266 267 vperm2i128 ymmA, ymmH, ymmG, 0x20 ; ymmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05 268 ; 15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) 269 vperm2i128 ymmD, ymmC, ymmH, 0x30 ; ymmD=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F 270 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L) 271 vperm2i128 ymmF, ymmG, ymmC, 0x31 ; ymmF=(1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q 272 ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V) 273 274 cmp ecx, byte SIZEOF_YMMWORD 275 jb short .column_st64 276 277 test edi, SIZEOF_YMMWORD-1 278 jnz short .out1 279 ; --(aligned)------------------- 280 vmovntdq YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA 281 vmovntdq YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD 282 vmovntdq YMMWORD [edi+2*SIZEOF_YMMWORD], ymmF 283 jmp short .out0 284 .out1: ; --(unaligned)----------------- 285 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA 286 vmovdqu YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD 287 vmovdqu YMMWORD [edi+2*SIZEOF_YMMWORD], ymmF 288 .out0: 289 add edi, byte RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr 290 sub ecx, byte SIZEOF_YMMWORD 291 jz near .endcolumn 292 293 add esi, byte SIZEOF_YMMWORD ; inptr0 294 dec al ; Yctr 295 jnz near .Yloop_2nd 296 297 add ebx, byte SIZEOF_YMMWORD ; inptr1 298 add edx, byte SIZEOF_YMMWORD ; inptr2 299 jmp near .columnloop 300 ALIGNX 16, 7 301 302 .column_st64: 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 309 vmovdqa ymmA, ymmF 310 sub ecx, byte 2*SIZEOF_YMMWORD 311 jmp short .column_st31 312 .column_st32: 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 317 vmovdqa ymmA, ymmD 318 sub ecx, byte SIZEOF_YMMWORD 319 jmp short .column_st31 320 .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 327 .column_st15: 328 ; Store the lower 8 bytes of xmmA to the output when it has enough 329 ; space. 330 cmp ecx, byte SIZEOF_MMWORD 331 jb short .column_st7 332 vmovq XMM_MMWORD [edi], xmmA 333 add edi, byte SIZEOF_MMWORD 334 sub ecx, byte SIZEOF_MMWORD 335 vpsrldq xmmA, xmmA, SIZEOF_MMWORD 336 .column_st7: 337 ; Store the lower 4 bytes of xmmA to the output when it has enough 338 ; space. 339 cmp ecx, byte SIZEOF_DWORD 340 jb short .column_st3 341 vmovd XMM_DWORD [edi], xmmA 342 add edi, byte SIZEOF_DWORD 343 sub ecx, byte SIZEOF_DWORD 344 vpsrldq xmmA, xmmA, SIZEOF_DWORD 345 .column_st3: 346 ; Store the lower 2 bytes of eax to the output when it has enough 347 ; space. 348 vmovd eax, xmmA 349 cmp ecx, byte SIZEOF_WORD 350 jb short .column_st1 351 mov word [edi], ax 352 add edi, byte SIZEOF_WORD 353 sub ecx, byte SIZEOF_WORD 354 shr eax, 16 355 .column_st1: 356 ; Store the lower 1 byte of eax to the output when it has enough 357 ; space. 358 test ecx, ecx 359 jz short .endcolumn 360 mov byte [edi], al 361 362 %else ; RGB_PIXELSIZE == 4 ; ----------- 363 364 %ifdef RGBX_FILLER_0XFF 365 vpcmpeqb ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********) 366 vpcmpeqb ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********) 367 %else 368 vpxor ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********) 369 vpxor ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********) 370 %endif 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 **) 379 380 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) 388 389 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) 397 398 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) 406 407 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) 415 416 cmp ecx, byte SIZEOF_YMMWORD 417 jb short .column_st64 418 419 test edi, SIZEOF_YMMWORD-1 420 jnz short .out1 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 426 jmp short .out0 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 432 .out0: 433 add edi, RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr 434 sub ecx, byte SIZEOF_YMMWORD 435 jz near .endcolumn 436 437 add esi, byte SIZEOF_YMMWORD ; inptr0 438 dec al 439 jnz near .Yloop_2nd 440 441 add ebx, byte SIZEOF_YMMWORD ; inptr1 442 add edx, byte SIZEOF_YMMWORD ; inptr2 443 jmp near .columnloop 444 ALIGNX 16, 7 445 446 .column_st64: 447 cmp ecx, byte SIZEOF_YMMWORD/2 448 jb short .column_st32 449 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA 450 vmovdqu YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD 451 add edi, byte 2*SIZEOF_YMMWORD ; outptr 452 vmovdqa ymmA, ymmC 453 vmovdqa ymmD, ymmH 454 sub ecx, byte SIZEOF_YMMWORD/2 455 .column_st32: 456 cmp ecx, byte SIZEOF_YMMWORD/4 457 jb short .column_st16 458 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA 459 add edi, byte SIZEOF_YMMWORD ; outptr 460 vmovdqa ymmA, ymmD 461 sub ecx, byte SIZEOF_YMMWORD/4 462 .column_st16: 463 cmp ecx, byte SIZEOF_YMMWORD/8 464 jb short .column_st15 465 vmovdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA 466 add edi, byte SIZEOF_XMMWORD ; outptr 467 vperm2i128 ymmA, ymmA, ymmA, 1 468 sub ecx, byte SIZEOF_YMMWORD/8 469 .column_st15: 470 ; Store two pixels (8 bytes) of ymmA to the output when it has enough 471 ; space. 472 cmp ecx, byte SIZEOF_YMMWORD/16 473 jb short .column_st7 474 vmovq MMWORD [edi], xmmA 475 add edi, byte SIZEOF_YMMWORD/16*4 476 sub ecx, byte SIZEOF_YMMWORD/16 477 vpsrldq xmmA, SIZEOF_YMMWORD/16*4 478 .column_st7: 479 ; Store one pixel (4 bytes) of ymmA to the output when it has enough 480 ; space. 481 test ecx, ecx 482 jz short .endcolumn 483 vmovd XMM_DWORD [edi], xmmA 484 485 %endif ; RGB_PIXELSIZE ; --------------- 486 487 .endcolumn: 488 sfence ; flush the write buffer 489 490 .return: 491 vzeroupper 492 pop edi 493 pop esi 494 ; pop edx ; need not be preserved 495 ; pop ecx ; need not be preserved 496 pop ebx 497 mov esp, ebp ; esp <- aligned ebp 498 pop esp ; esp <- original ebp 499 pop ebp 500 ret 501 502 ; -------------------------------------------------------------------------- 503 ; 504 ; Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical. 505 ; 506 ; GLOBAL(void) 507 ; jsimd_h2v2_merged_upsample_avx2(JDIMENSION output_width, 508 ; JSAMPIMAGE input_buf, 509 ; JDIMENSION in_row_group_ctr, 510 ; JSAMPARRAY output_buf); 511 ; 512 513 %define output_width(b) (b) + 8 ; JDIMENSION output_width 514 %define input_buf(b) (b) + 12 ; JSAMPIMAGE input_buf 515 %define in_row_group_ctr(b) (b) + 16 ; JDIMENSION in_row_group_ctr 516 %define output_buf(b) (b) + 20 ; JSAMPARRAY output_buf 517 518 align 32 519 GLOBAL_FUNCTION(jsimd_h2v2_merged_upsample_avx2) 520 521 EXTN(jsimd_h2v2_merged_upsample_avx2): 522 push ebp 523 mov ebp, esp 524 push ebx 525 ; push ecx ; need not be preserved 526 ; push edx ; need not be preserved 527 push esi 528 push edi 529 530 mov eax, POINTER [output_width(ebp)] 531 532 mov edi, JSAMPIMAGE [input_buf(ebp)] 533 mov ecx, JDIMENSION [in_row_group_ctr(ebp)] 534 mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] 535 mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] 536 mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] 537 mov edi, JSAMPARRAY [output_buf(ebp)] 538 lea esi, [esi+ecx*SIZEOF_JSAMPROW] 539 540 push edx ; inptr2 541 push ebx ; inptr1 542 push esi ; inptr00 543 mov ebx, esp 544 545 push edi ; output_buf (outptr0) 546 push ecx ; in_row_group_ctr 547 push ebx ; input_buf 548 push eax ; output_width 549 550 call near EXTN(jsimd_h2v1_merged_upsample_avx2) 551 552 add esi, byte SIZEOF_JSAMPROW ; inptr01 553 add edi, byte SIZEOF_JSAMPROW ; outptr1 554 mov POINTER [ebx+0*SIZEOF_POINTER], esi 555 mov POINTER [ebx-1*SIZEOF_POINTER], edi 556 557 call near EXTN(jsimd_h2v1_merged_upsample_avx2) 558 559 add esp, byte 7*SIZEOF_DWORD 560 561 pop edi 562 pop esi 563 ; pop edx ; need not be preserved 564 ; pop ecx ; need not be preserved 565 pop ebx 566 pop ebp 567 ret 568 569 ; For some reason, the OS X linker does not honor the request to align the 570 ; segment unless we do this. 571 align 32