jdcolext-avx2.asm (23547B)
1 ; 2 ; jdcolext.asm - colorspace conversion (64-bit AVX2) 3 ; 4 ; Copyright 2009, 2012 Pierre Ossman <ossman@cendio.se> for Cendio AB 5 ; Copyright (C) 2009, 2012, 2016, 2024, D. R. Commander. 6 ; Copyright (C) 2015, Intel Corporation. 7 ; Copyright (C) 2018, Matthias Räncker. 8 ; Copyright (C) 2023, Aliaksiej Kandracienka. 9 ; 10 ; Based on the x86 SIMD extension for IJG JPEG library 11 ; Copyright (C) 1999-2006, MIYASAKA Masaru. 12 ; For conditions of distribution and use, see copyright notice in jsimdext.inc 13 ; 14 ; This file should be assembled with NASM (Netwide Assembler) or Yasm. 15 16 %include "jcolsamp.inc" 17 18 ; -------------------------------------------------------------------------- 19 ; 20 ; Convert some rows of samples to the output colorspace. 21 ; 22 ; GLOBAL(void) 23 ; jsimd_ycc_rgb_convert_avx2(JDIMENSION out_width, JSAMPIMAGE input_buf, 24 ; JDIMENSION input_row, JSAMPARRAY output_buf, 25 ; int num_rows) 26 ; 27 28 ; r10d = JDIMENSION out_width 29 ; r11 = JSAMPIMAGE input_buf 30 ; r12d = JDIMENSION input_row 31 ; r13 = JSAMPARRAY output_buf 32 ; r14d = int num_rows 33 34 %define wk(i) r15 - (WK_NUM - (i)) * SIZEOF_YMMWORD ; ymmword wk[WK_NUM] 35 %define WK_NUM 2 36 37 align 32 38 GLOBAL_FUNCTION(jsimd_ycc_rgb_convert_avx2) 39 40 EXTN(jsimd_ycc_rgb_convert_avx2): 41 ENDBR64 42 push rbp 43 mov rbp, rsp 44 push r15 45 and rsp, byte (-SIZEOF_YMMWORD) ; align to 256 bits 46 ; Allocate stack space for wk array. r15 is used to access it. 47 mov r15, rsp 48 sub rsp, byte (WK_NUM * SIZEOF_YMMWORD) 49 COLLECT_ARGS 5 50 push rbx 51 52 mov ecx, r10d ; num_cols 53 test rcx, rcx 54 jz near .return 55 56 push rcx 57 58 mov rdi, r11 59 mov ecx, r12d 60 mov rsip, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY] 61 mov rbxp, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY] 62 mov rdxp, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY] 63 lea rsi, [rsi+rcx*SIZEOF_JSAMPROW] 64 lea rbx, [rbx+rcx*SIZEOF_JSAMPROW] 65 lea rdx, [rdx+rcx*SIZEOF_JSAMPROW] 66 67 pop rcx 68 69 mov rdi, r13 70 mov eax, r14d 71 test rax, rax 72 jle near .return 73 .rowloop: 74 push rax 75 push rdi 76 push rdx 77 push rbx 78 push rsi 79 push rcx ; col 80 81 mov rsip, JSAMPROW [rsi] ; inptr0 82 mov rbxp, JSAMPROW [rbx] ; inptr1 83 mov rdxp, JSAMPROW [rdx] ; inptr2 84 mov rdip, JSAMPROW [rdi] ; outptr 85 .columnloop: 86 87 vmovdqu ymm5, YMMWORD [rbx] ; ymm5=Cb(0123456789ABCDEFGHIJKLMNOPQRSTUV) 88 vmovdqu ymm1, YMMWORD [rdx] ; ymm1=Cr(0123456789ABCDEFGHIJKLMNOPQRSTUV) 89 90 vpcmpeqw ymm0, ymm0, ymm0 91 vpcmpeqw ymm7, ymm7, ymm7 92 vpsrlw ymm0, ymm0, BYTE_BIT ; ymm0={0xFF 0x00 0xFF 0x00 ..} 93 vpsllw ymm7, ymm7, 7 ; ymm7={0xFF80 0xFF80 0xFF80 0xFF80 ..} 94 95 vpand ymm4, ymm0, ymm5 ; ymm4=Cb(02468ACEGIKMOQSU)=CbE 96 vpsrlw ymm5, ymm5, BYTE_BIT ; ymm5=Cb(13579BDFHJLNPRTV)=CbO 97 vpand ymm0, ymm0, ymm1 ; ymm0=Cr(02468ACEGIKMOQSU)=CrE 98 vpsrlw ymm1, ymm1, BYTE_BIT ; ymm1=Cr(13579BDFHJLNPRTV)=CrO 99 100 vpaddw ymm2, ymm4, ymm7 101 vpaddw ymm3, ymm5, ymm7 102 vpaddw ymm6, ymm0, ymm7 103 vpaddw ymm7, ymm1, ymm7 104 105 ; (Original) 106 ; R = Y + 1.40200 * Cr 107 ; G = Y - 0.34414 * Cb - 0.71414 * Cr 108 ; B = Y + 1.77200 * Cb 109 ; 110 ; (This implementation) 111 ; R = Y + 0.40200 * Cr + Cr 112 ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr 113 ; B = Y - 0.22800 * Cb + Cb + Cb 114 115 vpaddw ymm4, ymm2, ymm2 ; ymm4=2*CbE 116 vpaddw ymm5, ymm3, ymm3 ; ymm5=2*CbO 117 vpaddw ymm0, ymm6, ymm6 ; ymm0=2*CrE 118 vpaddw ymm1, ymm7, ymm7 ; ymm1=2*CrO 119 120 vpmulhw ymm4, ymm4, [rel PW_MF0228] ; ymm4=(2*CbE * -FIX(0.22800)) 121 vpmulhw ymm5, ymm5, [rel PW_MF0228] ; ymm5=(2*CbO * -FIX(0.22800)) 122 vpmulhw ymm0, ymm0, [rel PW_F0402] ; ymm0=(2*CrE * FIX(0.40200)) 123 vpmulhw ymm1, ymm1, [rel PW_F0402] ; ymm1=(2*CrO * FIX(0.40200)) 124 125 vpaddw ymm4, ymm4, [rel PW_ONE] 126 vpaddw ymm5, ymm5, [rel PW_ONE] 127 vpsraw ymm4, ymm4, 1 ; ymm4=(CbE * -FIX(0.22800)) 128 vpsraw ymm5, ymm5, 1 ; ymm5=(CbO * -FIX(0.22800)) 129 vpaddw ymm0, ymm0, [rel PW_ONE] 130 vpaddw ymm1, ymm1, [rel PW_ONE] 131 vpsraw ymm0, ymm0, 1 ; ymm0=(CrE * FIX(0.40200)) 132 vpsraw ymm1, ymm1, 1 ; ymm1=(CrO * FIX(0.40200)) 133 134 vpaddw ymm4, ymm4, ymm2 135 vpaddw ymm5, ymm5, ymm3 136 vpaddw ymm4, ymm4, ymm2 ; ymm4=(CbE * FIX(1.77200))=(B-Y)E 137 vpaddw ymm5, ymm5, ymm3 ; ymm5=(CbO * FIX(1.77200))=(B-Y)O 138 vpaddw ymm0, ymm0, ymm6 ; ymm0=(CrE * FIX(1.40200))=(R-Y)E 139 vpaddw ymm1, ymm1, ymm7 ; ymm1=(CrO * FIX(1.40200))=(R-Y)O 140 141 vmovdqa YMMWORD [wk(0)], ymm4 ; wk(0)=(B-Y)E 142 vmovdqa YMMWORD [wk(1)], ymm5 ; wk(1)=(B-Y)O 143 144 vpunpckhwd ymm4, ymm2, ymm6 145 vpunpcklwd ymm2, ymm2, ymm6 146 vpmaddwd ymm2, ymm2, [rel PW_MF0344_F0285] 147 vpmaddwd ymm4, ymm4, [rel PW_MF0344_F0285] 148 vpunpckhwd ymm5, ymm3, ymm7 149 vpunpcklwd ymm3, ymm3, ymm7 150 vpmaddwd ymm3, ymm3, [rel PW_MF0344_F0285] 151 vpmaddwd ymm5, ymm5, [rel PW_MF0344_F0285] 152 153 vpaddd ymm2, ymm2, [rel PD_ONEHALF] 154 vpaddd ymm4, ymm4, [rel PD_ONEHALF] 155 vpsrad ymm2, ymm2, SCALEBITS 156 vpsrad ymm4, ymm4, SCALEBITS 157 vpaddd ymm3, ymm3, [rel PD_ONEHALF] 158 vpaddd ymm5, ymm5, [rel PD_ONEHALF] 159 vpsrad ymm3, ymm3, SCALEBITS 160 vpsrad ymm5, ymm5, SCALEBITS 161 162 vpackssdw ymm2, ymm2, ymm4 ; ymm2=CbE*-FIX(0.344)+CrE*FIX(0.285) 163 vpackssdw ymm3, ymm3, ymm5 ; ymm3=CbO*-FIX(0.344)+CrO*FIX(0.285) 164 vpsubw ymm2, ymm2, ymm6 ; ymm2=CbE*-FIX(0.344)+CrE*-FIX(0.714)=(G-Y)E 165 vpsubw ymm3, ymm3, ymm7 ; ymm3=CbO*-FIX(0.344)+CrO*-FIX(0.714)=(G-Y)O 166 167 vmovdqu ymm5, YMMWORD [rsi] ; ymm5=Y(0123456789ABCDEFGHIJKLMNOPQRSTUV) 168 169 vpcmpeqw ymm4, ymm4, ymm4 170 vpsrlw ymm4, ymm4, BYTE_BIT ; ymm4={0xFF 0x00 0xFF 0x00 ..} 171 vpand ymm4, ymm4, ymm5 ; ymm4=Y(02468ACEGIKMOQSU)=YE 172 vpsrlw ymm5, ymm5, BYTE_BIT ; ymm5=Y(13579BDFHJLNPRTV)=YO 173 174 vpaddw ymm0, ymm0, ymm4 ; ymm0=((R-Y)E+YE)=RE=R(02468ACEGIKMOQSU) 175 vpaddw ymm1, ymm1, ymm5 ; ymm1=((R-Y)O+YO)=RO=R(13579BDFHJLNPRTV) 176 vpackuswb ymm0, ymm0, ymm0 ; ymm0=R(02468ACE********GIKMOQSU********) 177 vpackuswb ymm1, ymm1, ymm1 ; ymm1=R(13579BDF********HJLNPRTV********) 178 179 vpaddw ymm2, ymm2, ymm4 ; ymm2=((G-Y)E+YE)=GE=G(02468ACEGIKMOQSU) 180 vpaddw ymm3, ymm3, ymm5 ; ymm3=((G-Y)O+YO)=GO=G(13579BDFHJLNPRTV) 181 vpackuswb ymm2, ymm2, ymm2 ; ymm2=G(02468ACE********GIKMOQSU********) 182 vpackuswb ymm3, ymm3, ymm3 ; ymm3=G(13579BDF********HJLNPRTV********) 183 184 vpaddw ymm4, ymm4, YMMWORD [wk(0)] ; ymm4=(YE+(B-Y)E)=BE=B(02468ACEGIKMOQSU) 185 vpaddw ymm5, ymm5, YMMWORD [wk(1)] ; ymm5=(YO+(B-Y)O)=BO=B(13579BDFHJLNPRTV) 186 vpackuswb ymm4, ymm4, ymm4 ; ymm4=B(02468ACE********GIKMOQSU********) 187 vpackuswb ymm5, ymm5, ymm5 ; ymm5=B(13579BDF********HJLNPRTV********) 188 189 %if RGB_PIXELSIZE == 3 ; --------------- 190 191 ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **) 192 ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **) 193 ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **) 194 ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **) 195 ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **) 196 ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **) 197 ; ymmG=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **) 198 ; ymmH=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **) 199 200 vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 201 ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U) 202 vpunpcklbw ymmE, ymmE, ymmB ; ymmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 203 ; 2G 0H 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V) 204 vpunpcklbw ymmD, ymmD, ymmF ; ymmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 205 ; 1H 2H 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V) 206 207 vpsrldq ymmH, ymmA, 2 ; ymmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 0G 1G 208 ; 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U -- --) 209 vpunpckhwd ymmG, ymmA, ymmE ; ymmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F 210 ; 0O 1O 2O 0P 0Q 1Q 2Q 0R 0S 1S 2S 0T 0U 1U 2U 0V) 211 vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07 212 ; 0G 1G 2G 0H 0I 1I 2I 0J 0K 1K 2K 0L 0M 1M 2M 0N) 213 214 vpsrldq ymmE, ymmE, 2 ; ymmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 2G 0H 215 ; 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V -- --) 216 217 vpsrldq ymmB, ymmD, 2 ; ymmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 1H 2H 218 ; 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V -- --) 219 vpunpckhwd ymmC, ymmD, ymmH ; ymmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F 0G 1G 220 ; 1P 2P 0Q 1Q 1R 2R 0S 1S 1T 2T 0U 1U 1V 2V -- --) 221 vpunpcklwd ymmD, ymmD, ymmH ; ymmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18 222 ; 1H 2H 0I 1I 1J 2J 0K 1K 1L 2L 0M 1M 1N 2N 0O 1O) 223 224 vpunpckhwd ymmF, ymmE, ymmB ; ymmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F 2G 0H 1H 2H 225 ; 2Q 0R 1R 2R 2S 0T 1T 2T 2U 0V 1V 2V -- -- -- --) 226 vpunpcklwd ymmE, ymmE, ymmB ; ymmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29 227 ; 2I 0J 1J 2J 2K 0L 1L 2L 2M 0N 1N 2N 2O 0P 1P 2P) 228 229 vpshufd ymmH, ymmA, 0x4E ; ymmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03 230 ; 0K 1K 2K 0L 0M 1M 2M 0N 0G 1G 2G 0H 0I 1I 2I 0J) 231 vpunpckldq ymmA, ymmA, ymmD ; ymmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14 232 ; 0G 1G 2G 0H 1H 2H 0I 1I 0I 1I 2I 0J 1J 2J 0K 1K) 233 vpunpckhdq ymmD, ymmD, ymmE ; ymmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29 234 ; 1L 2L 0M 1M 2M 0N 1N 2N 1N 2N 0O 1O 2O 0P 1P 2P) 235 vpunpckldq ymmE, ymmE, ymmH ; ymmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07 236 ; 2I 0J 1J 2J 0K 1K 2K 0L 2K 0L 1L 2L 0M 1M 2M 0N) 237 238 vpshufd ymmH, ymmG, 0x4E ; ymmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B 239 ; 0S 1S 2S 0T 0U 1U 2U 0V 0O 1O 2O 0P 0Q 1Q 2Q 0R) 240 vpunpckldq ymmG, ymmG, ymmC ; ymmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C 241 ; 0O 1O 2O 0P 1P 2P 0Q 1Q 0Q 1Q 2Q 0R 1R 2R 0S 1S) 242 vpunpckhdq ymmC, ymmC, ymmF ; ymmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F 0G 1G 2G 0H 1H 2H 243 ; 1T 2T 0U 1U 2U 0V 1V 2V 1V 2V -- -- -- -- -- --) 244 vpunpckldq ymmF, ymmF, ymmH ; ymmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F 245 ; 2Q 0R 1R 2R 0S 1S 2S 0T 2S 0T 1T 2T 0U 1U 2U 0V) 246 247 vpunpcklqdq ymmH, ymmA, ymmE ; ymmH=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05 248 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L) 249 vpunpcklqdq ymmG, ymmD, ymmG ; ymmG=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A 250 ; 1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q) 251 vpunpcklqdq ymmC, ymmF, ymmC ; ymmC=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F 252 ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V) 253 254 vperm2i128 ymmA, ymmH, ymmG, 0x20 ; ymmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05 255 ; 15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) 256 vperm2i128 ymmD, ymmC, ymmH, 0x30 ; ymmD=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F 257 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L) 258 vperm2i128 ymmF, ymmG, ymmC, 0x31 ; ymmF=(1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q 259 ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V) 260 261 cmp rcx, byte SIZEOF_YMMWORD 262 jb short .column_st64 263 264 test rdi, SIZEOF_YMMWORD-1 265 jnz short .out1 266 ; --(aligned)------------------- 267 vmovntdq YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 268 vmovntdq YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 269 vmovntdq YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmF 270 jmp short .out0 271 .out1: ; --(unaligned)----------------- 272 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 273 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 274 vmovdqu YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmF 275 .out0: 276 add rdi, byte RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr 277 sub rcx, byte SIZEOF_YMMWORD 278 jz near .nextrow 279 280 add rsi, byte SIZEOF_YMMWORD ; inptr0 281 add rbx, byte SIZEOF_YMMWORD ; inptr1 282 add rdx, byte SIZEOF_YMMWORD ; inptr2 283 jmp near .columnloop 284 285 .column_st64: 286 lea rcx, [rcx+rcx*2] ; imul ecx, RGB_PIXELSIZE 287 cmp rcx, byte 2*SIZEOF_YMMWORD 288 jb short .column_st32 289 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 290 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 291 add rdi, byte 2*SIZEOF_YMMWORD ; outptr 292 vmovdqa ymmA, ymmF 293 sub rcx, byte 2*SIZEOF_YMMWORD 294 jmp short .column_st31 295 .column_st32: 296 cmp rcx, byte SIZEOF_YMMWORD 297 jb short .column_st31 298 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 299 add rdi, byte SIZEOF_YMMWORD ; outptr 300 vmovdqa ymmA, ymmD 301 sub rcx, byte SIZEOF_YMMWORD 302 jmp short .column_st31 303 .column_st31: 304 cmp rcx, byte SIZEOF_XMMWORD 305 jb short .column_st15 306 vmovdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA 307 add rdi, byte SIZEOF_XMMWORD ; outptr 308 vperm2i128 ymmA, ymmA, ymmA, 1 309 sub rcx, byte SIZEOF_XMMWORD 310 .column_st15: 311 ; Store the lower 8 bytes of xmmA to the output when it has enough 312 ; space. 313 cmp rcx, byte SIZEOF_MMWORD 314 jb short .column_st7 315 vmovq XMM_MMWORD [rdi], xmmA 316 add rdi, byte SIZEOF_MMWORD 317 sub rcx, byte SIZEOF_MMWORD 318 vpsrldq xmmA, xmmA, SIZEOF_MMWORD 319 .column_st7: 320 ; Store the lower 4 bytes of xmmA to the output when it has enough 321 ; space. 322 cmp rcx, byte SIZEOF_DWORD 323 jb short .column_st3 324 vmovd XMM_DWORD [rdi], xmmA 325 add rdi, byte SIZEOF_DWORD 326 sub rcx, byte SIZEOF_DWORD 327 vpsrldq xmmA, xmmA, SIZEOF_DWORD 328 .column_st3: 329 ; Store the lower 2 bytes of rax to the output when it has enough 330 ; space. 331 vmovd eax, xmmA 332 cmp rcx, byte SIZEOF_WORD 333 jb short .column_st1 334 mov word [rdi], ax 335 add rdi, byte SIZEOF_WORD 336 sub rcx, byte SIZEOF_WORD 337 shr rax, 16 338 .column_st1: 339 ; Store the lower 1 byte of rax to the output when it has enough 340 ; space. 341 test rcx, rcx 342 jz short .nextrow 343 mov byte [rdi], al 344 345 %else ; RGB_PIXELSIZE == 4 ; ----------- 346 347 %ifdef RGBX_FILLER_0XFF 348 vpcmpeqb ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********) 349 vpcmpeqb ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********) 350 %else 351 vpxor ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********) 352 vpxor ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********) 353 %endif 354 ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **) 355 ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **) 356 ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **) 357 ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **) 358 ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **) 359 ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **) 360 ; ymmG=(30 32 34 36 38 3A 3C 3E ** 3G 3I 3K 3M 3O 3Q 3S 3U **) 361 ; ymmH=(31 33 35 37 39 3B 3D 3F ** 3H 3J 3L 3N 3P 3R 3T 3V **) 362 363 vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 364 ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U) 365 vpunpcklbw ymmE, ymmE, ymmG ; ymmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E 366 ; 2G 3G 2I 3I 2K 3K 2M 3M 2O 3O 2Q 3Q 2S 3S 2U 3U) 367 vpunpcklbw ymmB, ymmB, ymmD ; ymmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F 368 ; 0H 1H 0J 1J 0L 1L 0N 1N 0P 1P 0R 1R 0T 1T 0V 1V) 369 vpunpcklbw ymmF, ymmF, ymmH ; ymmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F 370 ; 2H 3H 2J 3J 2L 3L 2N 3N 2P 3P 2R 3R 2T 3T 2V 3V) 371 372 vpunpckhwd ymmC, ymmA, ymmE ; ymmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E 373 ; 0O 1O 2O 3O 0Q 1Q 2Q 3Q 0S 1S 2S 3S 0U 1U 2U 3U) 374 vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36 375 ; 0G 1G 2G 3G 0I 1I 2I 3I 0K 1K 2K 3K 0M 1M 2M 3M) 376 vpunpckhwd ymmG, ymmB, ymmF ; ymmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F 377 ; 0P 1P 2P 3P 0R 1R 2R 3R 0T 1T 2T 3T 0V 1V 2V 3V) 378 vpunpcklwd ymmB, ymmB, ymmF ; ymmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37 379 ; 0H 1H 2H 3H 0J 1J 2J 3J 0L 1L 2L 3L 0N 1N 2N 3N) 380 381 vpunpckhdq ymmE, ymmA, ymmB ; ymmE=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37 382 ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N) 383 vpunpckldq ymmB, ymmA, ymmB ; ymmB=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 384 ; 0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J) 385 vpunpckhdq ymmF, ymmC, ymmG ; ymmF=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F 386 ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V) 387 vpunpckldq ymmG, ymmC, ymmG ; ymmG=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B 388 ; 0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R) 389 390 vperm2i128 ymmA, ymmB, ymmE, 0x20 ; ymmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 391 ; 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37) 392 vperm2i128 ymmD, ymmG, ymmF, 0x20 ; ymmD=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B 393 ; 0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F) 394 vperm2i128 ymmC, ymmB, ymmE, 0x31 ; ymmC=(0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J 395 ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N) 396 vperm2i128 ymmH, ymmG, ymmF, 0x31 ; ymmH=(0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R 397 ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V) 398 399 cmp rcx, byte SIZEOF_YMMWORD 400 jb short .column_st64 401 402 test rdi, SIZEOF_YMMWORD-1 403 jnz short .out1 404 ; --(aligned)------------------- 405 vmovntdq YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 406 vmovntdq YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 407 vmovntdq YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmC 408 vmovntdq YMMWORD [rdi+3*SIZEOF_YMMWORD], ymmH 409 jmp short .out0 410 .out1: ; --(unaligned)----------------- 411 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 412 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 413 vmovdqu YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmC 414 vmovdqu YMMWORD [rdi+3*SIZEOF_YMMWORD], ymmH 415 .out0: 416 add rdi, RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr 417 sub rcx, byte SIZEOF_YMMWORD 418 jz near .nextrow 419 420 add rsi, byte SIZEOF_YMMWORD ; inptr0 421 add rbx, byte SIZEOF_YMMWORD ; inptr1 422 add rdx, byte SIZEOF_YMMWORD ; inptr2 423 jmp near .columnloop 424 425 .column_st64: 426 cmp rcx, byte SIZEOF_YMMWORD/2 427 jb short .column_st32 428 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 429 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 430 add rdi, byte 2*SIZEOF_YMMWORD ; outptr 431 vmovdqa ymmA, ymmC 432 vmovdqa ymmD, ymmH 433 sub rcx, byte SIZEOF_YMMWORD/2 434 .column_st32: 435 cmp rcx, byte SIZEOF_YMMWORD/4 436 jb short .column_st16 437 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 438 add rdi, byte SIZEOF_YMMWORD ; outptr 439 vmovdqa ymmA, ymmD 440 sub rcx, byte SIZEOF_YMMWORD/4 441 .column_st16: 442 cmp rcx, byte SIZEOF_YMMWORD/8 443 jb short .column_st15 444 vmovdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA 445 vperm2i128 ymmA, ymmA, ymmA, 1 446 add rdi, byte SIZEOF_XMMWORD ; outptr 447 sub rcx, byte SIZEOF_YMMWORD/8 448 .column_st15: 449 ; Store two pixels (8 bytes) of ymmA to the output when it has enough 450 ; space. 451 cmp rcx, byte SIZEOF_YMMWORD/16 452 jb short .column_st7 453 vmovq MMWORD [rdi], xmmA 454 add rdi, byte SIZEOF_YMMWORD/16*4 455 sub rcx, byte SIZEOF_YMMWORD/16 456 vpsrldq xmmA, SIZEOF_YMMWORD/16*4 457 .column_st7: 458 ; Store one pixel (4 bytes) of ymmA to the output when it has enough 459 ; space. 460 test rcx, rcx 461 jz short .nextrow 462 vmovd XMM_DWORD [rdi], xmmA 463 464 %endif ; RGB_PIXELSIZE ; --------------- 465 466 .nextrow: 467 pop rcx 468 pop rsi 469 pop rbx 470 pop rdx 471 pop rdi 472 pop rax 473 474 add rsi, byte SIZEOF_JSAMPROW 475 add rbx, byte SIZEOF_JSAMPROW 476 add rdx, byte SIZEOF_JSAMPROW 477 add rdi, byte SIZEOF_JSAMPROW ; output_buf 478 dec rax ; num_rows 479 jg near .rowloop 480 481 sfence ; flush the write buffer 482 483 .return: 484 pop rbx 485 vzeroupper 486 UNCOLLECT_ARGS 5 487 lea rsp, [rbp-8] 488 pop r15 489 pop rbp 490 ret 491 492 ; For some reason, the OS X linker does not honor the request to align the 493 ; segment unless we do this. 494 align 32