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, 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), 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 17 18%include "jcolsamp.inc" 19 20; -------------------------------------------------------------------------- 21; 22; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical. 23; 24; GLOBAL(void) 25; jsimd_h2v1_merged_upsample_avx2(JDIMENSION output_width, 26; JSAMPIMAGE input_buf, 27; JDIMENSION in_row_group_ctr, 28; JSAMPARRAY output_buf); 29; 30 31; r10d = JDIMENSION output_width 32; r11 = JSAMPIMAGE input_buf 33; r12d = JDIMENSION in_row_group_ctr 34; r13 = JSAMPARRAY output_buf 35 36%define wk(i) rbp - (WK_NUM - (i)) * SIZEOF_YMMWORD ; ymmword wk[WK_NUM] 37%define WK_NUM 3 38 39 align 32 40 GLOBAL_FUNCTION(jsimd_h2v1_merged_upsample_avx2) 41 42EXTN(jsimd_h2v1_merged_upsample_avx2): 43 push rbp 44 mov rax, rsp ; rax = original rbp 45 sub rsp, byte 4 46 and rsp, byte (-SIZEOF_YMMWORD) ; align to 256 bits 47 mov [rsp], rax 48 mov rbp, rsp ; rbp = aligned rbp 49 lea rsp, [wk(0)] 50 collect_args 4 51 push rbx 52 53 mov ecx, r10d ; col 54 test rcx, rcx 55 jz near .return 56 57 push rcx 58 59 mov rdi, r11 60 mov ecx, r12d 61 mov rsi, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY] 62 mov rbx, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY] 63 mov rdx, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY] 64 mov rdi, r13 65 mov rsi, JSAMPROW [rsi+rcx*SIZEOF_JSAMPROW] ; inptr0 66 mov rbx, JSAMPROW [rbx+rcx*SIZEOF_JSAMPROW] ; inptr1 67 mov rdx, JSAMPROW [rdx+rcx*SIZEOF_JSAMPROW] ; inptr2 68 mov rdi, JSAMPROW [rdi] ; outptr 69 70 pop rcx ; col 71 72.columnloop: 73 74 vmovdqu ymm6, YMMWORD [rbx] ; ymm6=Cb(0123456789ABCDEFGHIJKLMNOPQRSTUV) 75 vmovdqu ymm7, YMMWORD [rdx] ; ymm7=Cr(0123456789ABCDEFGHIJKLMNOPQRSTUV) 76 77 vpxor ymm1, ymm1, ymm1 ; ymm1=(all 0's) 78 vpcmpeqw ymm3, ymm3, ymm3 79 vpsllw ymm3, ymm3, 7 ; ymm3={0xFF80 0xFF80 0xFF80 0xFF80 ..} 80 81 vpermq ymm6, ymm6, 0xd8 ; ymm6=Cb(01234567GHIJKLMN89ABCDEFOPQRSTUV) 82 vpermq ymm7, ymm7, 0xd8 ; ymm7=Cr(01234567GHIJKLMN89ABCDEFOPQRSTUV) 83 vpunpcklbw ymm4, ymm6, ymm1 ; ymm4=Cb(0123456789ABCDEF)=CbL 84 vpunpckhbw ymm6, ymm6, ymm1 ; ymm6=Cb(GHIJKLMNOPQRSTUV)=CbH 85 vpunpcklbw ymm0, ymm7, ymm1 ; ymm0=Cr(0123456789ABCDEF)=CrL 86 vpunpckhbw ymm7, ymm7, ymm1 ; ymm7=Cr(GHIJKLMNOPQRSTUV)=CrH 87 88 vpaddw ymm5, ymm6, ymm3 89 vpaddw ymm2, ymm4, ymm3 90 vpaddw ymm1, ymm7, ymm3 91 vpaddw ymm3, ymm0, ymm3 92 93 ; (Original) 94 ; R = Y + 1.40200 * Cr 95 ; G = Y - 0.34414 * Cb - 0.71414 * Cr 96 ; B = Y + 1.77200 * Cb 97 ; 98 ; (This implementation) 99 ; R = Y + 0.40200 * Cr + Cr 100 ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr 101 ; B = Y - 0.22800 * Cb + Cb + Cb 102 103 vpaddw ymm6, ymm5, ymm5 ; ymm6=2*CbH 104 vpaddw ymm4, ymm2, ymm2 ; ymm4=2*CbL 105 vpaddw ymm7, ymm1, ymm1 ; ymm7=2*CrH 106 vpaddw ymm0, ymm3, ymm3 ; ymm0=2*CrL 107 108 vpmulhw ymm6, ymm6, [rel PW_MF0228] ; ymm6=(2*CbH * -FIX(0.22800)) 109 vpmulhw ymm4, ymm4, [rel PW_MF0228] ; ymm4=(2*CbL * -FIX(0.22800)) 110 vpmulhw ymm7, ymm7, [rel PW_F0402] ; ymm7=(2*CrH * FIX(0.40200)) 111 vpmulhw ymm0, ymm0, [rel PW_F0402] ; ymm0=(2*CrL * FIX(0.40200)) 112 113 vpaddw ymm6, ymm6, [rel PW_ONE] 114 vpaddw ymm4, ymm4, [rel PW_ONE] 115 vpsraw ymm6, ymm6, 1 ; ymm6=(CbH * -FIX(0.22800)) 116 vpsraw ymm4, ymm4, 1 ; ymm4=(CbL * -FIX(0.22800)) 117 vpaddw ymm7, ymm7, [rel PW_ONE] 118 vpaddw ymm0, ymm0, [rel PW_ONE] 119 vpsraw ymm7, ymm7, 1 ; ymm7=(CrH * FIX(0.40200)) 120 vpsraw ymm0, ymm0, 1 ; ymm0=(CrL * FIX(0.40200)) 121 122 vpaddw ymm6, ymm6, ymm5 123 vpaddw ymm4, ymm4, ymm2 124 vpaddw ymm6, ymm6, ymm5 ; ymm6=(CbH * FIX(1.77200))=(B-Y)H 125 vpaddw ymm4, ymm4, ymm2 ; ymm4=(CbL * FIX(1.77200))=(B-Y)L 126 vpaddw ymm7, ymm7, ymm1 ; ymm7=(CrH * FIX(1.40200))=(R-Y)H 127 vpaddw ymm0, ymm0, ymm3 ; ymm0=(CrL * FIX(1.40200))=(R-Y)L 128 129 vmovdqa YMMWORD [wk(0)], ymm6 ; wk(0)=(B-Y)H 130 vmovdqa YMMWORD [wk(1)], ymm7 ; wk(1)=(R-Y)H 131 132 vpunpckhwd ymm6, ymm5, ymm1 133 vpunpcklwd ymm5, ymm5, ymm1 134 vpmaddwd ymm5, ymm5, [rel PW_MF0344_F0285] 135 vpmaddwd ymm6, ymm6, [rel PW_MF0344_F0285] 136 vpunpckhwd ymm7, ymm2, ymm3 137 vpunpcklwd ymm2, ymm2, ymm3 138 vpmaddwd ymm2, ymm2, [rel PW_MF0344_F0285] 139 vpmaddwd ymm7, ymm7, [rel PW_MF0344_F0285] 140 141 vpaddd ymm5, ymm5, [rel PD_ONEHALF] 142 vpaddd ymm6, ymm6, [rel PD_ONEHALF] 143 vpsrad ymm5, ymm5, SCALEBITS 144 vpsrad ymm6, ymm6, SCALEBITS 145 vpaddd ymm2, ymm2, [rel PD_ONEHALF] 146 vpaddd ymm7, ymm7, [rel PD_ONEHALF] 147 vpsrad ymm2, ymm2, SCALEBITS 148 vpsrad ymm7, ymm7, SCALEBITS 149 150 vpackssdw ymm5, ymm5, ymm6 ; ymm5=CbH*-FIX(0.344)+CrH*FIX(0.285) 151 vpackssdw ymm2, ymm2, ymm7 ; ymm2=CbL*-FIX(0.344)+CrL*FIX(0.285) 152 vpsubw ymm5, ymm5, ymm1 ; ymm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H 153 vpsubw ymm2, ymm2, ymm3 ; ymm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L 154 155 vmovdqa YMMWORD [wk(2)], ymm5 ; wk(2)=(G-Y)H 156 157 mov al, 2 ; Yctr 158 jmp short .Yloop_1st 159 160.Yloop_2nd: 161 vmovdqa ymm0, YMMWORD [wk(1)] ; ymm0=(R-Y)H 162 vmovdqa ymm2, YMMWORD [wk(2)] ; ymm2=(G-Y)H 163 vmovdqa ymm4, YMMWORD [wk(0)] ; ymm4=(B-Y)H 164 165.Yloop_1st: 166 vmovdqu ymm7, YMMWORD [rsi] ; ymm7=Y(0123456789ABCDEFGHIJKLMNOPQRSTUV) 167 168 vpcmpeqw ymm6, ymm6, ymm6 169 vpsrlw ymm6, ymm6, BYTE_BIT ; ymm6={0xFF 0x00 0xFF 0x00 ..} 170 vpand ymm6, ymm6, ymm7 ; ymm6=Y(02468ACEGIKMOQSU)=YE 171 vpsrlw ymm7, ymm7, BYTE_BIT ; ymm7=Y(13579BDFHJLNPRTV)=YO 172 173 vmovdqa ymm1, ymm0 ; ymm1=ymm0=(R-Y)(L/H) 174 vmovdqa ymm3, ymm2 ; ymm3=ymm2=(G-Y)(L/H) 175 vmovdqa ymm5, ymm4 ; ymm5=ymm4=(B-Y)(L/H) 176 177 vpaddw ymm0, ymm0, ymm6 ; ymm0=((R-Y)+YE)=RE=R(02468ACEGIKMOQSU) 178 vpaddw ymm1, ymm1, ymm7 ; ymm1=((R-Y)+YO)=RO=R(13579BDFHJLNPRTV) 179 vpackuswb ymm0, ymm0, ymm0 ; ymm0=R(02468ACE********GIKMOQSU********) 180 vpackuswb ymm1, ymm1, ymm1 ; ymm1=R(13579BDF********HJLNPRTV********) 181 182 vpaddw ymm2, ymm2, ymm6 ; ymm2=((G-Y)+YE)=GE=G(02468ACEGIKMOQSU) 183 vpaddw ymm3, ymm3, ymm7 ; ymm3=((G-Y)+YO)=GO=G(13579BDFHJLNPRTV) 184 vpackuswb ymm2, ymm2, ymm2 ; ymm2=G(02468ACE********GIKMOQSU********) 185 vpackuswb ymm3, ymm3, ymm3 ; ymm3=G(13579BDF********HJLNPRTV********) 186 187 vpaddw ymm4, ymm4, ymm6 ; ymm4=((B-Y)+YE)=BE=B(02468ACEGIKMOQSU) 188 vpaddw ymm5, ymm5, ymm7 ; ymm5=((B-Y)+YO)=BO=B(13579BDFHJLNPRTV) 189 vpackuswb ymm4, ymm4, ymm4 ; ymm4=B(02468ACE********GIKMOQSU********) 190 vpackuswb ymm5, ymm5, ymm5 ; ymm5=B(13579BDF********HJLNPRTV********) 191 192%if RGB_PIXELSIZE == 3 ; --------------- 193 194 ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **) 195 ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **) 196 ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **) 197 ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **) 198 ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **) 199 ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **) 200 ; ymmG=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **) 201 ; ymmH=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **) 202 203 vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 204 ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U) 205 vpunpcklbw ymmE, ymmE, ymmB ; ymmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 206 ; 2G 0H 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V) 207 vpunpcklbw ymmD, ymmD, ymmF ; ymmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 208 ; 1H 2H 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V) 209 210 vpsrldq ymmH, ymmA, 2 ; ymmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 0G 1G 211 ; 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U -- --) 212 vpunpckhwd ymmG, ymmA, ymmE ; ymmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F 213 ; 0O 1O 2O 0P 0Q 1Q 2Q 0R 0S 1S 2S 0T 0U 1U 2U 0V) 214 vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07 215 ; 0G 1G 2G 0H 0I 1I 2I 0J 0K 1K 2K 0L 0M 1M 2M 0N) 216 217 vpsrldq ymmE, ymmE, 2 ; ymmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 2G 0H 218 ; 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V -- --) 219 220 vpsrldq ymmB, ymmD, 2 ; ymmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 1H 2H 221 ; 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V -- --) 222 vpunpckhwd ymmC, ymmD, ymmH ; ymmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F 0G 1G 223 ; 1P 2P 0Q 1Q 1R 2R 0S 1S 1T 2T 0U 1U 1V 2V -- --) 224 vpunpcklwd ymmD, ymmD, ymmH ; ymmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18 225 ; 1H 2H 0I 1I 1J 2J 0K 1K 1L 2L 0M 1M 1N 2N 0O 1O) 226 227 vpunpckhwd ymmF, ymmE, ymmB ; ymmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F 2G 0H 1H 2H 228 ; 2Q 0R 1R 2R 2S 0T 1T 2T 2U 0V 1V 2V -- -- -- --) 229 vpunpcklwd ymmE, ymmE, ymmB ; ymmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29 230 ; 2I 0J 1J 2J 2K 0L 1L 2L 2M 0N 1N 2N 2O 0P 1P 2P) 231 232 vpshufd ymmH, ymmA, 0x4E ; ymmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03 233 ; 0K 1K 2K 0L 0M 1M 2M 0N 0G 1G 2G 0H 0I 1I 2I 0J) 234 vpunpckldq ymmA, ymmA, ymmD ; ymmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14 235 ; 0G 1G 2G 0H 1H 2H 0I 1I 0I 1I 2I 0J 1J 2J 0K 1K) 236 vpunpckhdq ymmD, ymmD, ymmE ; ymmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29 237 ; 1L 2L 0M 1M 2M 0N 1N 2N 1N 2N 0O 1O 2O 0P 1P 2P) 238 vpunpckldq ymmE, ymmE, ymmH ; ymmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07 239 ; 2I 0J 1J 2J 0K 1K 2K 0L 2K 0L 1L 2L 0M 1M 2M 0N) 240 241 vpshufd ymmH, ymmG, 0x4E ; ymmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B 242 ; 0S 1S 2S 0T 0U 1U 2U 0V 0O 1O 2O 0P 0Q 1Q 2Q 0R) 243 vpunpckldq ymmG, ymmG, ymmC ; ymmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C 244 ; 0O 1O 2O 0P 1P 2P 0Q 1Q 0Q 1Q 2Q 0R 1R 2R 0S 1S) 245 vpunpckhdq ymmC, ymmC, ymmF ; ymmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F 0G 1G 2G 0H 1H 2H 246 ; 1T 2T 0U 1U 2U 0V 1V 2V 1V 2V -- -- -- -- -- --) 247 vpunpckldq ymmF, ymmF, ymmH ; ymmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F 248 ; 2Q 0R 1R 2R 0S 1S 2S 0T 2S 0T 1T 2T 0U 1U 2U 0V) 249 250 vpunpcklqdq ymmH, ymmA, ymmE ; ymmH=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05 251 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L) 252 vpunpcklqdq ymmG, ymmD, ymmG ; ymmG=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A 253 ; 1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q) 254 vpunpcklqdq ymmC, ymmF, ymmC ; ymmC=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F 255 ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V) 256 257 vperm2i128 ymmA, ymmH, ymmG, 0x20 ; ymmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05 258 ; 15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) 259 vperm2i128 ymmD, ymmC, ymmH, 0x30 ; ymmD=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F 260 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L) 261 vperm2i128 ymmF, ymmG, ymmC, 0x31 ; ymmF=(1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q 262 ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V) 263 264 cmp rcx, byte SIZEOF_YMMWORD 265 jb short .column_st64 266 267 test rdi, SIZEOF_YMMWORD-1 268 jnz short .out1 269 ; --(aligned)------------------- 270 vmovntdq YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 271 vmovntdq YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 272 vmovntdq YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmF 273 jmp short .out0 274.out1: ; --(unaligned)----------------- 275 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 276 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 277 vmovdqu YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmF 278.out0: 279 add rdi, byte RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr 280 sub rcx, byte SIZEOF_YMMWORD 281 jz near .endcolumn 282 283 add rsi, byte SIZEOF_YMMWORD ; inptr0 284 dec al ; Yctr 285 jnz near .Yloop_2nd 286 287 add rbx, byte SIZEOF_YMMWORD ; inptr1 288 add rdx, byte SIZEOF_YMMWORD ; inptr2 289 jmp near .columnloop 290 291.column_st64: 292 lea rcx, [rcx+rcx*2] ; imul ecx, RGB_PIXELSIZE 293 cmp rcx, byte 2*SIZEOF_YMMWORD 294 jb short .column_st32 295 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 296 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 297 add rdi, byte 2*SIZEOF_YMMWORD ; outptr 298 vmovdqa ymmA, ymmF 299 sub rcx, byte 2*SIZEOF_YMMWORD 300 jmp short .column_st31 301.column_st32: 302 cmp rcx, byte SIZEOF_YMMWORD 303 jb short .column_st31 304 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 305 add rdi, byte SIZEOF_YMMWORD ; outptr 306 vmovdqa ymmA, ymmD 307 sub rcx, byte SIZEOF_YMMWORD 308 jmp short .column_st31 309.column_st31: 310 cmp rcx, byte SIZEOF_XMMWORD 311 jb short .column_st15 312 vmovdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA 313 add rdi, byte SIZEOF_XMMWORD ; outptr 314 vperm2i128 ymmA, ymmA, ymmA, 1 315 sub rcx, byte SIZEOF_XMMWORD 316.column_st15: 317 ; Store the lower 8 bytes of xmmA to the output when it has enough 318 ; space. 319 cmp rcx, byte SIZEOF_MMWORD 320 jb short .column_st7 321 vmovq XMM_MMWORD [rdi], xmmA 322 add rdi, byte SIZEOF_MMWORD 323 sub rcx, byte SIZEOF_MMWORD 324 vpsrldq xmmA, xmmA, SIZEOF_MMWORD 325.column_st7: 326 ; Store the lower 4 bytes of xmmA to the output when it has enough 327 ; space. 328 cmp rcx, byte SIZEOF_DWORD 329 jb short .column_st3 330 vmovd XMM_DWORD [rdi], xmmA 331 add rdi, byte SIZEOF_DWORD 332 sub rcx, byte SIZEOF_DWORD 333 vpsrldq xmmA, xmmA, SIZEOF_DWORD 334.column_st3: 335 ; Store the lower 2 bytes of rax to the output when it has enough 336 ; space. 337 vmovd eax, xmmA 338 cmp rcx, byte SIZEOF_WORD 339 jb short .column_st1 340 mov word [rdi], ax 341 add rdi, byte SIZEOF_WORD 342 sub rcx, byte SIZEOF_WORD 343 shr rax, 16 344.column_st1: 345 ; Store the lower 1 byte of rax to the output when it has enough 346 ; space. 347 test rcx, rcx 348 jz short .endcolumn 349 mov byte [rdi], al 350 351%else ; RGB_PIXELSIZE == 4 ; ----------- 352 353%ifdef RGBX_FILLER_0XFF 354 vpcmpeqb ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********) 355 vpcmpeqb ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********) 356%else 357 vpxor ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********) 358 vpxor ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********) 359%endif 360 ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **) 361 ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **) 362 ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **) 363 ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **) 364 ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **) 365 ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **) 366 ; ymmG=(30 32 34 36 38 3A 3C 3E ** 3G 3I 3K 3M 3O 3Q 3S 3U **) 367 ; ymmH=(31 33 35 37 39 3B 3D 3F ** 3H 3J 3L 3N 3P 3R 3T 3V **) 368 369 vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 370 ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U) 371 vpunpcklbw ymmE, ymmE, ymmG ; ymmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E 372 ; 2G 3G 2I 3I 2K 3K 2M 3M 2O 3O 2Q 3Q 2S 3S 2U 3U) 373 vpunpcklbw ymmB, ymmB, ymmD ; ymmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F 374 ; 0H 1H 0J 1J 0L 1L 0N 1N 0P 1P 0R 1R 0T 1T 0V 1V) 375 vpunpcklbw ymmF, ymmF, ymmH ; ymmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F 376 ; 2H 3H 2J 3J 2L 3L 2N 3N 2P 3P 2R 3R 2T 3T 2V 3V) 377 378 vpunpckhwd ymmC, ymmA, ymmE ; ymmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E 379 ; 0O 1O 2O 3O 0Q 1Q 2Q 3Q 0S 1S 2S 3S 0U 1U 2U 3U) 380 vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36 381 ; 0G 1G 2G 3G 0I 1I 2I 3I 0K 1K 2K 3K 0M 1M 2M 3M) 382 vpunpckhwd ymmG, ymmB, ymmF ; ymmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F 383 ; 0P 1P 2P 3P 0R 1R 2R 3R 0T 1T 2T 3T 0V 1V 2V 3V) 384 vpunpcklwd ymmB, ymmB, ymmF ; ymmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37 385 ; 0H 1H 2H 3H 0J 1J 2J 3J 0L 1L 2L 3L 0N 1N 2N 3N) 386 387 vpunpckhdq ymmE, ymmA, ymmB ; ymmE=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37 388 ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N) 389 vpunpckldq ymmB, ymmA, ymmB ; ymmB=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 390 ; 0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J) 391 vpunpckhdq ymmF, ymmC, ymmG ; ymmF=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F 392 ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V) 393 vpunpckldq ymmG, ymmC, ymmG ; ymmG=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B 394 ; 0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R) 395 396 vperm2i128 ymmA, ymmB, ymmE, 0x20 ; ymmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 397 ; 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37) 398 vperm2i128 ymmD, ymmG, ymmF, 0x20 ; ymmD=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B 399 ; 0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F) 400 vperm2i128 ymmC, ymmB, ymmE, 0x31 ; ymmC=(0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J 401 ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N) 402 vperm2i128 ymmH, ymmG, ymmF, 0x31 ; ymmH=(0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R 403 ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V) 404 405 cmp rcx, byte SIZEOF_YMMWORD 406 jb short .column_st64 407 408 test rdi, SIZEOF_YMMWORD-1 409 jnz short .out1 410 ; --(aligned)------------------- 411 vmovntdq YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 412 vmovntdq YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 413 vmovntdq YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmC 414 vmovntdq YMMWORD [rdi+3*SIZEOF_YMMWORD], ymmH 415 jmp short .out0 416.out1: ; --(unaligned)----------------- 417 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 418 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 419 vmovdqu YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmC 420 vmovdqu YMMWORD [rdi+3*SIZEOF_YMMWORD], ymmH 421.out0: 422 add rdi, RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr 423 sub rcx, byte SIZEOF_YMMWORD 424 jz near .endcolumn 425 426 add rsi, byte SIZEOF_YMMWORD ; inptr0 427 dec al 428 jnz near .Yloop_2nd 429 430 add rbx, byte SIZEOF_YMMWORD ; inptr1 431 add rdx, byte SIZEOF_YMMWORD ; inptr2 432 jmp near .columnloop 433 434.column_st64: 435 cmp rcx, byte SIZEOF_YMMWORD/2 436 jb short .column_st32 437 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 438 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 439 add rdi, byte 2*SIZEOF_YMMWORD ; outptr 440 vmovdqa ymmA, ymmC 441 vmovdqa ymmD, ymmH 442 sub rcx, byte SIZEOF_YMMWORD/2 443.column_st32: 444 cmp rcx, byte SIZEOF_YMMWORD/4 445 jb short .column_st16 446 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 447 add rdi, byte SIZEOF_YMMWORD ; outptr 448 vmovdqa ymmA, ymmD 449 sub rcx, byte SIZEOF_YMMWORD/4 450.column_st16: 451 cmp rcx, byte SIZEOF_YMMWORD/8 452 jb short .column_st15 453 vmovdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA 454 add rdi, byte SIZEOF_XMMWORD ; outptr 455 vperm2i128 ymmA, ymmA, ymmA, 1 456 sub rcx, byte SIZEOF_YMMWORD/8 457.column_st15: 458 ; Store two pixels (8 bytes) of ymmA to the output when it has enough 459 ; space. 460 cmp rcx, byte SIZEOF_YMMWORD/16 461 jb short .column_st7 462 vmovq MMWORD [rdi], xmmA 463 add rdi, byte SIZEOF_YMMWORD/16*4 464 sub rcx, byte SIZEOF_YMMWORD/16 465 vpsrldq xmmA, SIZEOF_YMMWORD/16*4 466.column_st7: 467 ; Store one pixel (4 bytes) of ymmA to the output when it has enough 468 ; space. 469 test rcx, rcx 470 jz short .endcolumn 471 vmovd XMM_DWORD [rdi], xmmA 472 473%endif ; RGB_PIXELSIZE ; --------------- 474 475.endcolumn: 476 sfence ; flush the write buffer 477 478.return: 479 pop rbx 480 vzeroupper 481 uncollect_args 4 482 mov rsp, rbp ; rsp <- aligned rbp 483 pop rsp ; rsp <- original rbp 484 pop rbp 485 ret 486 487; -------------------------------------------------------------------------- 488; 489; Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical. 490; 491; GLOBAL(void) 492; jsimd_h2v2_merged_upsample_avx2(JDIMENSION output_width, 493; JSAMPIMAGE input_buf, 494; JDIMENSION in_row_group_ctr, 495; JSAMPARRAY output_buf); 496; 497 498; r10d = JDIMENSION output_width 499; r11 = JSAMPIMAGE input_buf 500; r12d = JDIMENSION in_row_group_ctr 501; r13 = JSAMPARRAY output_buf 502 503 align 32 504 GLOBAL_FUNCTION(jsimd_h2v2_merged_upsample_avx2) 505 506EXTN(jsimd_h2v2_merged_upsample_avx2): 507 push rbp 508 mov rax, rsp 509 mov rbp, rsp 510 collect_args 4 511 push rbx 512 513 mov eax, r10d 514 515 mov rdi, r11 516 mov ecx, r12d 517 mov rsi, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY] 518 mov rbx, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY] 519 mov rdx, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY] 520 mov rdi, r13 521 lea rsi, [rsi+rcx*SIZEOF_JSAMPROW] 522 523 push rdx ; inptr2 524 push rbx ; inptr1 525 push rsi ; inptr00 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 pop rsi 550 pop rbx 551 pop rdx 552 553 add rdi, byte SIZEOF_JSAMPROW ; outptr1 554 add rsi, byte SIZEOF_JSAMPROW ; inptr01 555 556 push rdx ; inptr2 557 push rbx ; inptr1 558 push rsi ; inptr00 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 pop rsi 583 pop rbx 584 pop rdx 585 586 pop rbx 587 uncollect_args 4 588 pop rbp 589 ret 590 591; For some reason, the OS X linker does not honor the request to align the 592; segment unless we do this. 593 align 32 594