jdmrgext-avx2.asm (26606B)
1 ; 2 ; jdmrgext.asm - merged upsampling/color 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 ; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical. 21 ; 22 ; GLOBAL(void) 23 ; jsimd_h2v1_merged_upsample_avx2(JDIMENSION output_width, 24 ; JSAMPIMAGE input_buf, 25 ; JDIMENSION in_row_group_ctr, 26 ; JSAMPARRAY output_buf); 27 ; 28 29 ; r10d = JDIMENSION output_width 30 ; r11 = JSAMPIMAGE input_buf 31 ; r12d = JDIMENSION in_row_group_ctr 32 ; r13 = JSAMPARRAY output_buf 33 34 %define wk(i) r15 - (WK_NUM - (i)) * SIZEOF_YMMWORD ; ymmword wk[WK_NUM] 35 %define WK_NUM 3 36 37 align 32 38 GLOBAL_FUNCTION(jsimd_h2v1_merged_upsample_avx2) 39 40 EXTN(jsimd_h2v1_merged_upsample_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, SIZEOF_YMMWORD * WK_NUM 49 COLLECT_ARGS 4 50 push rbx 51 52 mov ecx, r10d ; col 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 mov rdi, r13 64 mov rsip, JSAMPROW [rsi+rcx*SIZEOF_JSAMPROW] ; inptr0 65 mov rbxp, JSAMPROW [rbx+rcx*SIZEOF_JSAMPROW] ; inptr1 66 mov rdxp, JSAMPROW [rdx+rcx*SIZEOF_JSAMPROW] ; inptr2 67 mov rdip, JSAMPROW [rdi] ; outptr 68 69 pop rcx ; col 70 71 .columnloop: 72 73 vmovdqu ymm6, YMMWORD [rbx] ; ymm6=Cb(0123456789ABCDEFGHIJKLMNOPQRSTUV) 74 vmovdqu ymm7, YMMWORD [rdx] ; ymm7=Cr(0123456789ABCDEFGHIJKLMNOPQRSTUV) 75 76 vpxor ymm1, ymm1, ymm1 ; ymm1=(all 0's) 77 vpcmpeqw ymm3, ymm3, ymm3 78 vpsllw ymm3, ymm3, 7 ; ymm3={0xFF80 0xFF80 0xFF80 0xFF80 ..} 79 80 vpermq ymm6, ymm6, 0xd8 ; ymm6=Cb(01234567GHIJKLMN89ABCDEFOPQRSTUV) 81 vpermq ymm7, ymm7, 0xd8 ; ymm7=Cr(01234567GHIJKLMN89ABCDEFOPQRSTUV) 82 vpunpcklbw ymm4, ymm6, ymm1 ; ymm4=Cb(0123456789ABCDEF)=CbL 83 vpunpckhbw ymm6, ymm6, ymm1 ; ymm6=Cb(GHIJKLMNOPQRSTUV)=CbH 84 vpunpcklbw ymm0, ymm7, ymm1 ; ymm0=Cr(0123456789ABCDEF)=CrL 85 vpunpckhbw ymm7, ymm7, ymm1 ; ymm7=Cr(GHIJKLMNOPQRSTUV)=CrH 86 87 vpaddw ymm5, ymm6, ymm3 88 vpaddw ymm2, ymm4, ymm3 89 vpaddw ymm1, ymm7, ymm3 90 vpaddw ymm3, ymm0, ymm3 91 92 ; (Original) 93 ; R = Y + 1.40200 * Cr 94 ; G = Y - 0.34414 * Cb - 0.71414 * Cr 95 ; B = Y + 1.77200 * Cb 96 ; 97 ; (This implementation) 98 ; R = Y + 0.40200 * Cr + Cr 99 ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr 100 ; B = Y - 0.22800 * Cb + Cb + Cb 101 102 vpaddw ymm6, ymm5, ymm5 ; ymm6=2*CbH 103 vpaddw ymm4, ymm2, ymm2 ; ymm4=2*CbL 104 vpaddw ymm7, ymm1, ymm1 ; ymm7=2*CrH 105 vpaddw ymm0, ymm3, ymm3 ; ymm0=2*CrL 106 107 vpmulhw ymm6, ymm6, [rel PW_MF0228] ; ymm6=(2*CbH * -FIX(0.22800)) 108 vpmulhw ymm4, ymm4, [rel PW_MF0228] ; ymm4=(2*CbL * -FIX(0.22800)) 109 vpmulhw ymm7, ymm7, [rel PW_F0402] ; ymm7=(2*CrH * FIX(0.40200)) 110 vpmulhw ymm0, ymm0, [rel PW_F0402] ; ymm0=(2*CrL * FIX(0.40200)) 111 112 vpaddw ymm6, ymm6, [rel PW_ONE] 113 vpaddw ymm4, ymm4, [rel PW_ONE] 114 vpsraw ymm6, ymm6, 1 ; ymm6=(CbH * -FIX(0.22800)) 115 vpsraw ymm4, ymm4, 1 ; ymm4=(CbL * -FIX(0.22800)) 116 vpaddw ymm7, ymm7, [rel PW_ONE] 117 vpaddw ymm0, ymm0, [rel PW_ONE] 118 vpsraw ymm7, ymm7, 1 ; ymm7=(CrH * FIX(0.40200)) 119 vpsraw ymm0, ymm0, 1 ; ymm0=(CrL * FIX(0.40200)) 120 121 vpaddw ymm6, ymm6, ymm5 122 vpaddw ymm4, ymm4, ymm2 123 vpaddw ymm6, ymm6, ymm5 ; ymm6=(CbH * FIX(1.77200))=(B-Y)H 124 vpaddw ymm4, ymm4, ymm2 ; ymm4=(CbL * FIX(1.77200))=(B-Y)L 125 vpaddw ymm7, ymm7, ymm1 ; ymm7=(CrH * FIX(1.40200))=(R-Y)H 126 vpaddw ymm0, ymm0, ymm3 ; ymm0=(CrL * FIX(1.40200))=(R-Y)L 127 128 vmovdqa YMMWORD [wk(0)], ymm6 ; wk(0)=(B-Y)H 129 vmovdqa YMMWORD [wk(1)], ymm7 ; wk(1)=(R-Y)H 130 131 vpunpckhwd ymm6, ymm5, ymm1 132 vpunpcklwd ymm5, ymm5, ymm1 133 vpmaddwd ymm5, ymm5, [rel PW_MF0344_F0285] 134 vpmaddwd ymm6, ymm6, [rel PW_MF0344_F0285] 135 vpunpckhwd ymm7, ymm2, ymm3 136 vpunpcklwd ymm2, ymm2, ymm3 137 vpmaddwd ymm2, ymm2, [rel PW_MF0344_F0285] 138 vpmaddwd ymm7, ymm7, [rel PW_MF0344_F0285] 139 140 vpaddd ymm5, ymm5, [rel PD_ONEHALF] 141 vpaddd ymm6, ymm6, [rel PD_ONEHALF] 142 vpsrad ymm5, ymm5, SCALEBITS 143 vpsrad ymm6, ymm6, SCALEBITS 144 vpaddd ymm2, ymm2, [rel PD_ONEHALF] 145 vpaddd ymm7, ymm7, [rel PD_ONEHALF] 146 vpsrad ymm2, ymm2, SCALEBITS 147 vpsrad ymm7, ymm7, SCALEBITS 148 149 vpackssdw ymm5, ymm5, ymm6 ; ymm5=CbH*-FIX(0.344)+CrH*FIX(0.285) 150 vpackssdw ymm2, ymm2, ymm7 ; ymm2=CbL*-FIX(0.344)+CrL*FIX(0.285) 151 vpsubw ymm5, ymm5, ymm1 ; ymm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H 152 vpsubw ymm2, ymm2, ymm3 ; ymm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L 153 154 vmovdqa YMMWORD [wk(2)], ymm5 ; wk(2)=(G-Y)H 155 156 mov al, 2 ; Yctr 157 jmp short .Yloop_1st 158 159 .Yloop_2nd: 160 vmovdqa ymm0, YMMWORD [wk(1)] ; ymm0=(R-Y)H 161 vmovdqa ymm2, YMMWORD [wk(2)] ; ymm2=(G-Y)H 162 vmovdqa ymm4, YMMWORD [wk(0)] ; ymm4=(B-Y)H 163 164 .Yloop_1st: 165 vmovdqu ymm7, YMMWORD [rsi] ; ymm7=Y(0123456789ABCDEFGHIJKLMNOPQRSTUV) 166 167 vpcmpeqw ymm6, ymm6, ymm6 168 vpsrlw ymm6, ymm6, BYTE_BIT ; ymm6={0xFF 0x00 0xFF 0x00 ..} 169 vpand ymm6, ymm6, ymm7 ; ymm6=Y(02468ACEGIKMOQSU)=YE 170 vpsrlw ymm7, ymm7, BYTE_BIT ; ymm7=Y(13579BDFHJLNPRTV)=YO 171 172 vmovdqa ymm1, ymm0 ; ymm1=ymm0=(R-Y)(L/H) 173 vmovdqa ymm3, ymm2 ; ymm3=ymm2=(G-Y)(L/H) 174 vmovdqa ymm5, ymm4 ; ymm5=ymm4=(B-Y)(L/H) 175 176 vpaddw ymm0, ymm0, ymm6 ; ymm0=((R-Y)+YE)=RE=R(02468ACEGIKMOQSU) 177 vpaddw ymm1, ymm1, ymm7 ; ymm1=((R-Y)+YO)=RO=R(13579BDFHJLNPRTV) 178 vpackuswb ymm0, ymm0, ymm0 ; ymm0=R(02468ACE********GIKMOQSU********) 179 vpackuswb ymm1, ymm1, ymm1 ; ymm1=R(13579BDF********HJLNPRTV********) 180 181 vpaddw ymm2, ymm2, ymm6 ; ymm2=((G-Y)+YE)=GE=G(02468ACEGIKMOQSU) 182 vpaddw ymm3, ymm3, ymm7 ; ymm3=((G-Y)+YO)=GO=G(13579BDFHJLNPRTV) 183 vpackuswb ymm2, ymm2, ymm2 ; ymm2=G(02468ACE********GIKMOQSU********) 184 vpackuswb ymm3, ymm3, ymm3 ; ymm3=G(13579BDF********HJLNPRTV********) 185 186 vpaddw ymm4, ymm4, ymm6 ; ymm4=((B-Y)+YE)=BE=B(02468ACEGIKMOQSU) 187 vpaddw ymm5, ymm5, ymm7 ; ymm5=((B-Y)+YO)=BO=B(13579BDFHJLNPRTV) 188 vpackuswb ymm4, ymm4, ymm4 ; ymm4=B(02468ACE********GIKMOQSU********) 189 vpackuswb ymm5, ymm5, ymm5 ; ymm5=B(13579BDF********HJLNPRTV********) 190 191 %if RGB_PIXELSIZE == 3 ; --------------- 192 193 ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **) 194 ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **) 195 ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **) 196 ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **) 197 ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **) 198 ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **) 199 ; ymmG=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **) 200 ; ymmH=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **) 201 202 vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 203 ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U) 204 vpunpcklbw ymmE, ymmE, ymmB ; ymmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 205 ; 2G 0H 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V) 206 vpunpcklbw ymmD, ymmD, ymmF ; ymmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 207 ; 1H 2H 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V) 208 209 vpsrldq ymmH, ymmA, 2 ; ymmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 0G 1G 210 ; 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U -- --) 211 vpunpckhwd ymmG, ymmA, ymmE ; ymmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F 212 ; 0O 1O 2O 0P 0Q 1Q 2Q 0R 0S 1S 2S 0T 0U 1U 2U 0V) 213 vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07 214 ; 0G 1G 2G 0H 0I 1I 2I 0J 0K 1K 2K 0L 0M 1M 2M 0N) 215 216 vpsrldq ymmE, ymmE, 2 ; ymmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 2G 0H 217 ; 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V -- --) 218 219 vpsrldq ymmB, ymmD, 2 ; ymmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 1H 2H 220 ; 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V -- --) 221 vpunpckhwd ymmC, ymmD, ymmH ; ymmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F 0G 1G 222 ; 1P 2P 0Q 1Q 1R 2R 0S 1S 1T 2T 0U 1U 1V 2V -- --) 223 vpunpcklwd ymmD, ymmD, ymmH ; ymmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18 224 ; 1H 2H 0I 1I 1J 2J 0K 1K 1L 2L 0M 1M 1N 2N 0O 1O) 225 226 vpunpckhwd ymmF, ymmE, ymmB ; ymmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F 2G 0H 1H 2H 227 ; 2Q 0R 1R 2R 2S 0T 1T 2T 2U 0V 1V 2V -- -- -- --) 228 vpunpcklwd ymmE, ymmE, ymmB ; ymmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29 229 ; 2I 0J 1J 2J 2K 0L 1L 2L 2M 0N 1N 2N 2O 0P 1P 2P) 230 231 vpshufd ymmH, ymmA, 0x4E ; ymmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03 232 ; 0K 1K 2K 0L 0M 1M 2M 0N 0G 1G 2G 0H 0I 1I 2I 0J) 233 vpunpckldq ymmA, ymmA, ymmD ; ymmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14 234 ; 0G 1G 2G 0H 1H 2H 0I 1I 0I 1I 2I 0J 1J 2J 0K 1K) 235 vpunpckhdq ymmD, ymmD, ymmE ; ymmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29 236 ; 1L 2L 0M 1M 2M 0N 1N 2N 1N 2N 0O 1O 2O 0P 1P 2P) 237 vpunpckldq ymmE, ymmE, ymmH ; ymmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07 238 ; 2I 0J 1J 2J 0K 1K 2K 0L 2K 0L 1L 2L 0M 1M 2M 0N) 239 240 vpshufd ymmH, ymmG, 0x4E ; ymmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B 241 ; 0S 1S 2S 0T 0U 1U 2U 0V 0O 1O 2O 0P 0Q 1Q 2Q 0R) 242 vpunpckldq ymmG, ymmG, ymmC ; ymmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C 243 ; 0O 1O 2O 0P 1P 2P 0Q 1Q 0Q 1Q 2Q 0R 1R 2R 0S 1S) 244 vpunpckhdq ymmC, ymmC, ymmF ; ymmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F 0G 1G 2G 0H 1H 2H 245 ; 1T 2T 0U 1U 2U 0V 1V 2V 1V 2V -- -- -- -- -- --) 246 vpunpckldq ymmF, ymmF, ymmH ; ymmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F 247 ; 2Q 0R 1R 2R 0S 1S 2S 0T 2S 0T 1T 2T 0U 1U 2U 0V) 248 249 vpunpcklqdq ymmH, ymmA, ymmE ; ymmH=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05 250 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L) 251 vpunpcklqdq ymmG, ymmD, ymmG ; ymmG=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A 252 ; 1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q) 253 vpunpcklqdq ymmC, ymmF, ymmC ; ymmC=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F 254 ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V) 255 256 vperm2i128 ymmA, ymmH, ymmG, 0x20 ; ymmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05 257 ; 15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) 258 vperm2i128 ymmD, ymmC, ymmH, 0x30 ; ymmD=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F 259 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L) 260 vperm2i128 ymmF, ymmG, ymmC, 0x31 ; ymmF=(1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q 261 ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V) 262 263 cmp rcx, byte SIZEOF_YMMWORD 264 jb short .column_st64 265 266 test rdi, SIZEOF_YMMWORD-1 267 jnz short .out1 268 ; --(aligned)------------------- 269 vmovntdq YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 270 vmovntdq YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 271 vmovntdq YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmF 272 jmp short .out0 273 .out1: ; --(unaligned)----------------- 274 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 275 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 276 vmovdqu YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmF 277 .out0: 278 add rdi, byte RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr 279 sub rcx, byte SIZEOF_YMMWORD 280 jz near .endcolumn 281 282 add rsi, byte SIZEOF_YMMWORD ; inptr0 283 dec al ; Yctr 284 jnz near .Yloop_2nd 285 286 add rbx, byte SIZEOF_YMMWORD ; inptr1 287 add rdx, byte SIZEOF_YMMWORD ; inptr2 288 jmp near .columnloop 289 290 .column_st64: 291 lea rcx, [rcx+rcx*2] ; imul ecx, RGB_PIXELSIZE 292 cmp rcx, byte 2*SIZEOF_YMMWORD 293 jb short .column_st32 294 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 295 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 296 add rdi, byte 2*SIZEOF_YMMWORD ; outptr 297 vmovdqa ymmA, ymmF 298 sub rcx, byte 2*SIZEOF_YMMWORD 299 jmp short .column_st31 300 .column_st32: 301 cmp rcx, byte SIZEOF_YMMWORD 302 jb short .column_st31 303 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 304 add rdi, byte SIZEOF_YMMWORD ; outptr 305 vmovdqa ymmA, ymmD 306 sub rcx, byte SIZEOF_YMMWORD 307 jmp short .column_st31 308 .column_st31: 309 cmp rcx, byte SIZEOF_XMMWORD 310 jb short .column_st15 311 vmovdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA 312 add rdi, byte SIZEOF_XMMWORD ; outptr 313 vperm2i128 ymmA, ymmA, ymmA, 1 314 sub rcx, byte SIZEOF_XMMWORD 315 .column_st15: 316 ; Store the lower 8 bytes of xmmA to the output when it has enough 317 ; space. 318 cmp rcx, byte SIZEOF_MMWORD 319 jb short .column_st7 320 vmovq XMM_MMWORD [rdi], xmmA 321 add rdi, byte SIZEOF_MMWORD 322 sub rcx, byte SIZEOF_MMWORD 323 vpsrldq xmmA, xmmA, SIZEOF_MMWORD 324 .column_st7: 325 ; Store the lower 4 bytes of xmmA to the output when it has enough 326 ; space. 327 cmp rcx, byte SIZEOF_DWORD 328 jb short .column_st3 329 vmovd XMM_DWORD [rdi], xmmA 330 add rdi, byte SIZEOF_DWORD 331 sub rcx, byte SIZEOF_DWORD 332 vpsrldq xmmA, xmmA, SIZEOF_DWORD 333 .column_st3: 334 ; Store the lower 2 bytes of rax to the output when it has enough 335 ; space. 336 vmovd eax, xmmA 337 cmp rcx, byte SIZEOF_WORD 338 jb short .column_st1 339 mov word [rdi], ax 340 add rdi, byte SIZEOF_WORD 341 sub rcx, byte SIZEOF_WORD 342 shr rax, 16 343 .column_st1: 344 ; Store the lower 1 byte of rax to the output when it has enough 345 ; space. 346 test rcx, rcx 347 jz short .endcolumn 348 mov byte [rdi], al 349 350 %else ; RGB_PIXELSIZE == 4 ; ----------- 351 352 %ifdef RGBX_FILLER_0XFF 353 vpcmpeqb ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********) 354 vpcmpeqb ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********) 355 %else 356 vpxor ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********) 357 vpxor ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********) 358 %endif 359 ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **) 360 ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **) 361 ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **) 362 ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **) 363 ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **) 364 ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **) 365 ; ymmG=(30 32 34 36 38 3A 3C 3E ** 3G 3I 3K 3M 3O 3Q 3S 3U **) 366 ; ymmH=(31 33 35 37 39 3B 3D 3F ** 3H 3J 3L 3N 3P 3R 3T 3V **) 367 368 vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 369 ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U) 370 vpunpcklbw ymmE, ymmE, ymmG ; ymmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E 371 ; 2G 3G 2I 3I 2K 3K 2M 3M 2O 3O 2Q 3Q 2S 3S 2U 3U) 372 vpunpcklbw ymmB, ymmB, ymmD ; ymmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F 373 ; 0H 1H 0J 1J 0L 1L 0N 1N 0P 1P 0R 1R 0T 1T 0V 1V) 374 vpunpcklbw ymmF, ymmF, ymmH ; ymmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F 375 ; 2H 3H 2J 3J 2L 3L 2N 3N 2P 3P 2R 3R 2T 3T 2V 3V) 376 377 vpunpckhwd ymmC, ymmA, ymmE ; ymmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E 378 ; 0O 1O 2O 3O 0Q 1Q 2Q 3Q 0S 1S 2S 3S 0U 1U 2U 3U) 379 vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36 380 ; 0G 1G 2G 3G 0I 1I 2I 3I 0K 1K 2K 3K 0M 1M 2M 3M) 381 vpunpckhwd ymmG, ymmB, ymmF ; ymmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F 382 ; 0P 1P 2P 3P 0R 1R 2R 3R 0T 1T 2T 3T 0V 1V 2V 3V) 383 vpunpcklwd ymmB, ymmB, ymmF ; ymmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37 384 ; 0H 1H 2H 3H 0J 1J 2J 3J 0L 1L 2L 3L 0N 1N 2N 3N) 385 386 vpunpckhdq ymmE, ymmA, ymmB ; ymmE=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37 387 ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N) 388 vpunpckldq ymmB, ymmA, ymmB ; ymmB=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 389 ; 0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J) 390 vpunpckhdq ymmF, ymmC, ymmG ; ymmF=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F 391 ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V) 392 vpunpckldq ymmG, ymmC, ymmG ; ymmG=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B 393 ; 0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R) 394 395 vperm2i128 ymmA, ymmB, ymmE, 0x20 ; ymmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 396 ; 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37) 397 vperm2i128 ymmD, ymmG, ymmF, 0x20 ; ymmD=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B 398 ; 0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F) 399 vperm2i128 ymmC, ymmB, ymmE, 0x31 ; ymmC=(0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J 400 ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N) 401 vperm2i128 ymmH, ymmG, ymmF, 0x31 ; ymmH=(0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R 402 ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V) 403 404 cmp rcx, byte SIZEOF_YMMWORD 405 jb short .column_st64 406 407 test rdi, SIZEOF_YMMWORD-1 408 jnz short .out1 409 ; --(aligned)------------------- 410 vmovntdq YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 411 vmovntdq YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 412 vmovntdq YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmC 413 vmovntdq YMMWORD [rdi+3*SIZEOF_YMMWORD], ymmH 414 jmp short .out0 415 .out1: ; --(unaligned)----------------- 416 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 417 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 418 vmovdqu YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmC 419 vmovdqu YMMWORD [rdi+3*SIZEOF_YMMWORD], ymmH 420 .out0: 421 add rdi, RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr 422 sub rcx, byte SIZEOF_YMMWORD 423 jz near .endcolumn 424 425 add rsi, byte SIZEOF_YMMWORD ; inptr0 426 dec al 427 jnz near .Yloop_2nd 428 429 add rbx, byte SIZEOF_YMMWORD ; inptr1 430 add rdx, byte SIZEOF_YMMWORD ; inptr2 431 jmp near .columnloop 432 433 .column_st64: 434 cmp rcx, byte SIZEOF_YMMWORD/2 435 jb short .column_st32 436 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 437 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 438 add rdi, byte 2*SIZEOF_YMMWORD ; outptr 439 vmovdqa ymmA, ymmC 440 vmovdqa ymmD, ymmH 441 sub rcx, byte SIZEOF_YMMWORD/2 442 .column_st32: 443 cmp rcx, byte SIZEOF_YMMWORD/4 444 jb short .column_st16 445 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 446 add rdi, byte SIZEOF_YMMWORD ; outptr 447 vmovdqa ymmA, ymmD 448 sub rcx, byte SIZEOF_YMMWORD/4 449 .column_st16: 450 cmp rcx, byte SIZEOF_YMMWORD/8 451 jb short .column_st15 452 vmovdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA 453 add rdi, byte SIZEOF_XMMWORD ; outptr 454 vperm2i128 ymmA, ymmA, ymmA, 1 455 sub rcx, byte SIZEOF_YMMWORD/8 456 .column_st15: 457 ; Store two pixels (8 bytes) of ymmA to the output when it has enough 458 ; space. 459 cmp rcx, byte SIZEOF_YMMWORD/16 460 jb short .column_st7 461 vmovq MMWORD [rdi], xmmA 462 add rdi, byte SIZEOF_YMMWORD/16*4 463 sub rcx, byte SIZEOF_YMMWORD/16 464 vpsrldq xmmA, SIZEOF_YMMWORD/16*4 465 .column_st7: 466 ; Store one pixel (4 bytes) of ymmA to the output when it has enough 467 ; space. 468 test rcx, rcx 469 jz short .endcolumn 470 vmovd XMM_DWORD [rdi], xmmA 471 472 %endif ; RGB_PIXELSIZE ; --------------- 473 474 .endcolumn: 475 sfence ; flush the write buffer 476 477 .return: 478 pop rbx 479 vzeroupper 480 UNCOLLECT_ARGS 4 481 lea rsp, [rbp-8] 482 pop r15 483 pop rbp 484 ret 485 486 ; -------------------------------------------------------------------------- 487 ; 488 ; Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical. 489 ; 490 ; GLOBAL(void) 491 ; jsimd_h2v2_merged_upsample_avx2(JDIMENSION output_width, 492 ; JSAMPIMAGE input_buf, 493 ; JDIMENSION in_row_group_ctr, 494 ; JSAMPARRAY output_buf); 495 ; 496 497 ; r10d = JDIMENSION output_width 498 ; r11 = JSAMPIMAGE input_buf 499 ; r12d = JDIMENSION in_row_group_ctr 500 ; r13 = JSAMPARRAY output_buf 501 502 align 32 503 GLOBAL_FUNCTION(jsimd_h2v2_merged_upsample_avx2) 504 505 EXTN(jsimd_h2v2_merged_upsample_avx2): 506 ENDBR64 507 push rbp 508 mov rbp, rsp 509 COLLECT_ARGS 4 510 push rbx 511 512 mov eax, r10d 513 514 mov rdi, r11 515 mov ecx, r12d 516 mov rsip, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY] 517 mov rbxp, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY] 518 mov rdxp, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY] 519 mov rdi, r13 520 lea rsi, [rsi+rcx*SIZEOF_JSAMPROW] 521 522 sub rsp, SIZEOF_JSAMPARRAY*4 523 mov JSAMPARRAY [rsp+0*SIZEOF_JSAMPARRAY], rsip ; intpr00 524 mov JSAMPARRAY [rsp+1*SIZEOF_JSAMPARRAY], rbxp ; intpr1 525 mov JSAMPARRAY [rsp+2*SIZEOF_JSAMPARRAY], rdxp ; intpr2 526 mov rbx, rsp 527 528 push rdi 529 push rcx 530 push rax 531 532 %ifdef WIN64 533 mov r8, rcx 534 mov r9, rdi 535 mov rcx, rax 536 mov rdx, rbx 537 %else 538 mov rdx, rcx 539 mov rcx, rdi 540 mov rdi, rax 541 mov rsi, rbx 542 %endif 543 544 call EXTN(jsimd_h2v1_merged_upsample_avx2) 545 546 pop rax 547 pop rcx 548 pop rdi 549 mov rsip, JSAMPARRAY [rsp+0*SIZEOF_JSAMPARRAY] 550 mov rbxp, JSAMPARRAY [rsp+1*SIZEOF_JSAMPARRAY] 551 mov rdxp, JSAMPARRAY [rsp+2*SIZEOF_JSAMPARRAY] 552 553 add rdi, byte SIZEOF_JSAMPROW ; outptr1 554 add rsi, byte SIZEOF_JSAMPROW ; inptr01 555 556 mov JSAMPARRAY [rsp+0*SIZEOF_JSAMPARRAY], rsip ; intpr00 557 mov JSAMPARRAY [rsp+1*SIZEOF_JSAMPARRAY], rbxp ; intpr1 558 mov JSAMPARRAY [rsp+2*SIZEOF_JSAMPARRAY], rdxp ; intpr2 559 mov rbx, rsp 560 561 push rdi 562 push rcx 563 push rax 564 565 %ifdef WIN64 566 mov r8, rcx 567 mov r9, rdi 568 mov rcx, rax 569 mov rdx, rbx 570 %else 571 mov rdx, rcx 572 mov rcx, rdi 573 mov rdi, rax 574 mov rsi, rbx 575 %endif 576 577 call EXTN(jsimd_h2v1_merged_upsample_avx2) 578 579 pop rax 580 pop rcx 581 pop rdi 582 mov rsip, JSAMPARRAY [rsp+0*SIZEOF_JSAMPARRAY] 583 mov rbxp, JSAMPARRAY [rsp+1*SIZEOF_JSAMPARRAY] 584 mov rdxp, JSAMPARRAY [rsp+2*SIZEOF_JSAMPARRAY] 585 add rsp, SIZEOF_JSAMPARRAY*4 586 587 pop rbx 588 UNCOLLECT_ARGS 4 589 pop rbp 590 ret 591 592 ; For some reason, the OS X linker does not honor the request to align the 593 ; segment unless we do this. 594 align 32