kc3-lang/libjpeg-turbo/simd/jdmrgext-avx2-64.asm
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Hash : a7c2f979
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Date : 2016-07-08T20:10:24
AVX2: Avoid expensive AVX-SSE transitions Refer to https://software.intel.com/sites/default/files/m/d/4/1/d/8/11MC12_Avoiding_2BAVX-SSE_2BTransition_2BPenalties_2Brh_2Bfinal.pdf for more information. This eliminates all AVX-SSE transitions detected with the Intel SDE tool.
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simd/jdmrgext-avx2-64.asm
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; ; jdmrgext.asm - merged upsampling/color conversion (64-bit AVX2) ; ; Copyright 2009, 2012 Pierre Ossman <ossman@cendio.se> for Cendio AB ; Copyright (C) 2009, 2012, 2016, D. R. Commander. ; Copyright (C) 2015, Intel Corporation. ; ; Based on the x86 SIMD extension for IJG JPEG library ; Copyright (C) 1999-2006, MIYASAKA Masaru. ; For conditions of distribution and use, see copyright notice in jsimdext.inc ; ; This file should be assembled with NASM (Netwide Assembler), ; can *not* be assembled with Microsoft's MASM or any compatible ; assembler (including Borland's Turbo Assembler). ; NASM is available from http://nasm.sourceforge.net/ or ; http://sourceforge.net/project/showfiles.php?group_id=6208 ; ; [TAB8] %include "jcolsamp.inc" ; -------------------------------------------------------------------------- ; ; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical. ; ; GLOBAL(void) ; jsimd_h2v1_merged_upsample_avx2 (JDIMENSION output_width, ; JSAMPIMAGE input_buf, ; JDIMENSION in_row_group_ctr, ; JSAMPARRAY output_buf); ; ; r10d = JDIMENSION output_width ; r11 = JSAMPIMAGE input_buf ; r12d = JDIMENSION in_row_group_ctr ; r13 = JSAMPARRAY output_buf %define wk(i) rbp-(WK_NUM-(i))*SIZEOF_YMMWORD ; ymmword wk[WK_NUM] %define WK_NUM 3 align 32 global EXTN(jsimd_h2v1_merged_upsample_avx2) EXTN(jsimd_h2v1_merged_upsample_avx2): push rbp mov rax, rsp ; rax = original rbp sub rsp, byte 4 and rsp, byte (-SIZEOF_YMMWORD) ; align to 256 bits mov [rsp], rax mov rbp, rsp ; rbp = aligned rbp lea rsp, [wk(0)] collect_args 4 push rbx mov ecx, r10d ; col test rcx, rcx jz near .return push rcx mov rdi, r11 mov ecx, r12d mov rsi, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY] mov rbx, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY] mov rdx, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY] mov rdi, r13 mov rsi, JSAMPROW [rsi+rcx*SIZEOF_JSAMPROW] ; inptr0 mov rbx, JSAMPROW [rbx+rcx*SIZEOF_JSAMPROW] ; inptr1 mov rdx, JSAMPROW [rdx+rcx*SIZEOF_JSAMPROW] ; inptr2 mov rdi, JSAMPROW [rdi] ; outptr pop rcx ; col .columnloop: vmovdqu ymm6, YMMWORD [rbx] ; ymm6=Cb(0123456789ABCDEFGHIJKLMNOPQRSTUV) vmovdqu ymm7, YMMWORD [rdx] ; ymm7=Cr(0123456789ABCDEFGHIJKLMNOPQRSTUV) vpxor ymm1, ymm1, ymm1 ; ymm1=(all 0's) vpcmpeqw ymm3, ymm3, ymm3 vpsllw ymm3, ymm3, 7 ; ymm3={0xFF80 0xFF80 0xFF80 0xFF80 ..} vpermq ymm6, ymm6, 0xd8 ; ymm6=Cb(01234567GHIJKLMN89ABCDEFOPQRSTUV) vpermq ymm7, ymm7, 0xd8 ; ymm7=Cr(01234567GHIJKLMN89ABCDEFOPQRSTUV) vpunpcklbw ymm4, ymm6, ymm1 ; ymm4=Cb(0123456789ABCDEF)=CbL vpunpckhbw ymm6, ymm6, ymm1 ; ymm6=Cb(GHIJKLMNOPQRSTUV)=CbH vpunpcklbw ymm0, ymm7, ymm1 ; ymm0=Cr(0123456789ABCDEF)=CrL vpunpckhbw ymm7, ymm7, ymm1 ; ymm7=Cr(GHIJKLMNOPQRSTUV)=CrH vpaddw ymm5, ymm6, ymm3 vpaddw ymm2, ymm4, ymm3 vpaddw ymm1, ymm7, ymm3 vpaddw ymm3, ymm0, ymm3 ; (Original) ; R = Y + 1.40200 * Cr ; G = Y - 0.34414 * Cb - 0.71414 * Cr ; B = Y + 1.77200 * Cb ; ; (This implementation) ; R = Y + 0.40200 * Cr + Cr ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr ; B = Y - 0.22800 * Cb + Cb + Cb vpaddw ymm6, ymm5, ymm5 ; ymm6=2*CbH vpaddw ymm4, ymm2, ymm2 ; ymm4=2*CbL vpaddw ymm7, ymm1, ymm1 ; ymm7=2*CrH vpaddw ymm0, ymm3, ymm3 ; ymm0=2*CrL vpmulhw ymm6, ymm6, [rel PW_MF0228] ; ymm6=(2*CbH * -FIX(0.22800)) vpmulhw ymm4, ymm4, [rel PW_MF0228] ; ymm4=(2*CbL * -FIX(0.22800)) vpmulhw ymm7, ymm7, [rel PW_F0402] ; ymm7=(2*CrH * FIX(0.40200)) vpmulhw ymm0, ymm0, [rel PW_F0402] ; ymm0=(2*CrL * FIX(0.40200)) vpaddw ymm6, ymm6, [rel PW_ONE] vpaddw ymm4, ymm4, [rel PW_ONE] vpsraw ymm6, ymm6, 1 ; ymm6=(CbH * -FIX(0.22800)) vpsraw ymm4, ymm4, 1 ; ymm4=(CbL * -FIX(0.22800)) vpaddw ymm7, ymm7, [rel PW_ONE] vpaddw ymm0, ymm0, [rel PW_ONE] vpsraw ymm7, ymm7, 1 ; ymm7=(CrH * FIX(0.40200)) vpsraw ymm0, ymm0, 1 ; ymm0=(CrL * FIX(0.40200)) vpaddw ymm6, ymm6, ymm5 vpaddw ymm4, ymm4, ymm2 vpaddw ymm6, ymm6, ymm5 ; ymm6=(CbH * FIX(1.77200))=(B-Y)H vpaddw ymm4, ymm4, ymm2 ; ymm4=(CbL * FIX(1.77200))=(B-Y)L vpaddw ymm7, ymm7, ymm1 ; ymm7=(CrH * FIX(1.40200))=(R-Y)H vpaddw ymm0, ymm0, ymm3 ; ymm0=(CrL * FIX(1.40200))=(R-Y)L vmovdqa YMMWORD [wk(0)], ymm6 ; wk(0)=(B-Y)H vmovdqa YMMWORD [wk(1)], ymm7 ; wk(1)=(R-Y)H vpunpckhwd ymm6, ymm5, ymm1 vpunpcklwd ymm5, ymm5, ymm1 vpmaddwd ymm5, ymm5, [rel PW_MF0344_F0285] vpmaddwd ymm6, ymm6, [rel PW_MF0344_F0285] vpunpckhwd ymm7, ymm2, ymm3 vpunpcklwd ymm2, ymm2, ymm3 vpmaddwd ymm2, ymm2, [rel PW_MF0344_F0285] vpmaddwd ymm7, ymm7, [rel PW_MF0344_F0285] vpaddd ymm5, ymm5, [rel PD_ONEHALF] vpaddd ymm6, ymm6, [rel PD_ONEHALF] vpsrad ymm5, ymm5, SCALEBITS vpsrad ymm6, ymm6, SCALEBITS vpaddd ymm2, ymm2, [rel PD_ONEHALF] vpaddd ymm7, ymm7, [rel PD_ONEHALF] vpsrad ymm2, ymm2, SCALEBITS vpsrad ymm7, ymm7, SCALEBITS vpackssdw ymm5, ymm5, ymm6 ; ymm5=CbH*-FIX(0.344)+CrH*FIX(0.285) vpackssdw ymm2, ymm2, ymm7 ; ymm2=CbL*-FIX(0.344)+CrL*FIX(0.285) vpsubw ymm5, ymm5, ymm1 ; ymm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H vpsubw ymm2, ymm2, ymm3 ; ymm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L vmovdqa YMMWORD [wk(2)], ymm5 ; wk(2)=(G-Y)H mov al, 2 ; Yctr jmp short .Yloop_1st .Yloop_2nd: vmovdqa ymm0, YMMWORD [wk(1)] ; ymm0=(R-Y)H vmovdqa ymm2, YMMWORD [wk(2)] ; ymm2=(G-Y)H vmovdqa ymm4, YMMWORD [wk(0)] ; ymm4=(B-Y)H .Yloop_1st: vmovdqu ymm7, YMMWORD [rsi] ; ymm7=Y(0123456789ABCDEFGHIJKLMNOPQRSTUV) vpcmpeqw ymm6, ymm6, ymm6 vpsrlw ymm6, ymm6, BYTE_BIT ; ymm6={0xFF 0x00 0xFF 0x00 ..} vpand ymm6, ymm6, ymm7 ; ymm6=Y(02468ACEGIKMOQSU)=YE vpsrlw ymm7, ymm7, BYTE_BIT ; ymm7=Y(13579BDFHJLNPRTV)=YO vmovdqa ymm1, ymm0 ; ymm1=ymm0=(R-Y)(L/H) vmovdqa ymm3, ymm2 ; ymm3=ymm2=(G-Y)(L/H) vmovdqa ymm5, ymm4 ; ymm5=ymm4=(B-Y)(L/H) vpaddw ymm0, ymm0, ymm6 ; ymm0=((R-Y)+YE)=RE=R(02468ACEGIKMOQSU) vpaddw ymm1, ymm1, ymm7 ; ymm1=((R-Y)+YO)=RO=R(13579BDFHJLNPRTV) vpackuswb ymm0, ymm0, ymm0 ; ymm0=R(02468ACE********GIKMOQSU********) vpackuswb ymm1, ymm1, ymm1 ; ymm1=R(13579BDF********HJLNPRTV********) vpaddw ymm2, ymm2, ymm6 ; ymm2=((G-Y)+YE)=GE=G(02468ACEGIKMOQSU) vpaddw ymm3, ymm3, ymm7 ; ymm3=((G-Y)+YO)=GO=G(13579BDFHJLNPRTV) vpackuswb ymm2, ymm2, ymm2 ; ymm2=G(02468ACE********GIKMOQSU********) vpackuswb ymm3, ymm3, ymm3 ; ymm3=G(13579BDF********HJLNPRTV********) vpaddw ymm4, ymm4, ymm6 ; ymm4=((B-Y)+YE)=BE=B(02468ACEGIKMOQSU) vpaddw ymm5, ymm5, ymm7 ; ymm5=((B-Y)+YO)=BO=B(13579BDFHJLNPRTV) vpackuswb ymm4, ymm4, ymm4 ; ymm4=B(02468ACE********GIKMOQSU********) vpackuswb ymm5, ymm5, ymm5 ; ymm5=B(13579BDF********HJLNPRTV********) %if RGB_PIXELSIZE == 3 ; --------------- ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **) ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **) ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **) ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **) ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **) ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **) ; ymmG=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **) ; ymmH=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **) vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U) vpunpcklbw ymmE, ymmE, ymmB ; ymmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F ; 2G 0H 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V) vpunpcklbw ymmD, ymmD, ymmF ; ymmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F ; 1H 2H 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V) vpsrldq ymmH, ymmA, 2 ; ymmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 0G 1G ; 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U -- --) vpunpckhwd ymmG, ymmA, ymmE ; ymmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F ; 0O 1O 2O 0P 0Q 1Q 2Q 0R 0S 1S 2S 0T 0U 1U 2U 0V) vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07 ; 0G 1G 2G 0H 0I 1I 2I 0J 0K 1K 2K 0L 0M 1M 2M 0N) vpsrldq ymmE, ymmE, 2 ; ymmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 2G 0H ; 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V -- --) vpsrldq ymmB, ymmD, 2 ; ymmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 1H 2H ; 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V -- --) vpunpckhwd ymmC, ymmD, ymmH ; ymmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F 0G 1G ; 1P 2P 0Q 1Q 1R 2R 0S 1S 1T 2T 0U 1U 1V 2V -- --) vpunpcklwd ymmD, ymmD, ymmH ; ymmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18 ; 1H 2H 0I 1I 1J 2J 0K 1K 1L 2L 0M 1M 1N 2N 0O 1O) vpunpckhwd ymmF, ymmE, ymmB ; ymmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F 2G 0H 1H 2H ; 2Q 0R 1R 2R 2S 0T 1T 2T 2U 0V 1V 2V -- -- -- --) vpunpcklwd ymmE, ymmE, ymmB ; ymmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29 ; 2I 0J 1J 2J 2K 0L 1L 2L 2M 0N 1N 2N 2O 0P 1P 2P) vpshufd ymmH, ymmA, 0x4E ; ymmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03 ; 0K 1K 2K 0L 0M 1M 2M 0N 0G 1G 2G 0H 0I 1I 2I 0J) vpunpckldq ymmA, ymmA, ymmD ; ymmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14 ; 0G 1G 2G 0H 1H 2H 0I 1I 0I 1I 2I 0J 1J 2J 0K 1K) vpunpckhdq ymmD, ymmD, ymmE ; ymmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29 ; 1L 2L 0M 1M 2M 0N 1N 2N 1N 2N 0O 1O 2O 0P 1P 2P) vpunpckldq ymmE, ymmE, ymmH ; ymmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07 ; 2I 0J 1J 2J 0K 1K 2K 0L 2K 0L 1L 2L 0M 1M 2M 0N) vpshufd ymmH, ymmG, 0x4E ; ymmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B ; 0S 1S 2S 0T 0U 1U 2U 0V 0O 1O 2O 0P 0Q 1Q 2Q 0R) vpunpckldq ymmG, ymmG, ymmC ; ymmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C ; 0O 1O 2O 0P 1P 2P 0Q 1Q 0Q 1Q 2Q 0R 1R 2R 0S 1S) vpunpckhdq ymmC, ymmC, ymmF ; ymmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F 0G 1G 2G 0H 1H 2H ; 1T 2T 0U 1U 2U 0V 1V 2V 1V 2V -- -- -- -- -- --) vpunpckldq ymmF, ymmF, ymmH ; ymmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F ; 2Q 0R 1R 2R 0S 1S 2S 0T 2S 0T 1T 2T 0U 1U 2U 0V) vpunpcklqdq ymmH, ymmA, ymmE ; ymmH=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L) vpunpcklqdq ymmG, ymmD, ymmG ; ymmG=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A ; 1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q) vpunpcklqdq ymmC, ymmF, ymmC ; ymmC=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V) vperm2i128 ymmA, ymmH, ymmG, 0x20 ; ymmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05 ; 15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) vperm2i128 ymmD, ymmC, ymmH, 0x30 ; ymmD=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L) vperm2i128 ymmF, ymmG, ymmC, 0x31 ; ymmF=(1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V) cmp rcx, byte SIZEOF_YMMWORD jb short .column_st64 test rdi, SIZEOF_YMMWORD-1 jnz short .out1 ; --(aligned)------------------- vmovntdq YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA vmovntdq YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD vmovntdq YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmF jmp short .out0 .out1: ; --(unaligned)----------------- vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD vmovdqu YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmF .out0: add rdi, byte RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr sub rcx, byte SIZEOF_YMMWORD jz near .endcolumn add rsi, byte SIZEOF_YMMWORD ; inptr0 dec al ; Yctr jnz near .Yloop_2nd add rbx, byte SIZEOF_YMMWORD ; inptr1 add rdx, byte SIZEOF_YMMWORD ; inptr2 jmp near .columnloop .column_st64: lea rcx, [rcx+rcx*2] ; imul ecx, RGB_PIXELSIZE cmp rcx, byte 2*SIZEOF_YMMWORD jb short .column_st32 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD add rdi, byte 2*SIZEOF_YMMWORD ; outptr vmovdqa ymmA, ymmF sub rcx, byte 2*SIZEOF_YMMWORD jmp short .column_st31 .column_st32: cmp rcx, byte SIZEOF_YMMWORD jb short .column_st31 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA add rdi, byte SIZEOF_YMMWORD ; outptr vmovdqa ymmA, ymmD sub rcx, byte SIZEOF_YMMWORD jmp short .column_st31 .column_st31: cmp rcx, byte SIZEOF_XMMWORD jb short .column_st15 vmovdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA add rdi, byte SIZEOF_XMMWORD ; outptr vperm2i128 ymmA, ymmA, ymmA, 1 sub rcx, byte SIZEOF_XMMWORD .column_st15: ; Store the lower 8 bytes of xmmA to the output when it has enough ; space. cmp rcx, byte SIZEOF_MMWORD jb short .column_st7 vmovq XMM_MMWORD [rdi], xmmA add rdi, byte SIZEOF_MMWORD sub rcx, byte SIZEOF_MMWORD vpsrldq xmmA, xmmA, SIZEOF_MMWORD .column_st7: ; Store the lower 4 bytes of xmmA to the output when it has enough ; space. cmp rcx, byte SIZEOF_DWORD jb short .column_st3 vmovd XMM_DWORD [rdi], xmmA add rdi, byte SIZEOF_DWORD sub rcx, byte SIZEOF_DWORD vpsrldq xmmA, xmmA, SIZEOF_DWORD .column_st3: ; Store the lower 2 bytes of rax to the output when it has enough ; space. vmovd eax, xmmA cmp rcx, byte SIZEOF_WORD jb short .column_st1 mov WORD [rdi], ax add rdi, byte SIZEOF_WORD sub rcx, byte SIZEOF_WORD shr rax, 16 .column_st1: ; Store the lower 1 byte of rax to the output when it has enough ; space. test rcx, rcx jz short .endcolumn mov BYTE [rdi], al %else ; RGB_PIXELSIZE == 4 ; ----------- %ifdef RGBX_FILLER_0XFF vpcmpeqb ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********) vpcmpeqb ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********) %else vpxor ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********) vpxor ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********) %endif ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **) ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **) ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **) ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **) ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **) ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **) ; ymmG=(30 32 34 36 38 3A 3C 3E ** 3G 3I 3K 3M 3O 3Q 3S 3U **) ; ymmH=(31 33 35 37 39 3B 3D 3F ** 3H 3J 3L 3N 3P 3R 3T 3V **) vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U) vpunpcklbw ymmE, ymmE, ymmG ; ymmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E ; 2G 3G 2I 3I 2K 3K 2M 3M 2O 3O 2Q 3Q 2S 3S 2U 3U) vpunpcklbw ymmB, ymmB, ymmD ; ymmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F ; 0H 1H 0J 1J 0L 1L 0N 1N 0P 1P 0R 1R 0T 1T 0V 1V) vpunpcklbw ymmF, ymmF, ymmH ; ymmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F ; 2H 3H 2J 3J 2L 3L 2N 3N 2P 3P 2R 3R 2T 3T 2V 3V) vpunpckhwd ymmC, ymmA, ymmE ; ymmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E ; 0O 1O 2O 3O 0Q 1Q 2Q 3Q 0S 1S 2S 3S 0U 1U 2U 3U) vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36 ; 0G 1G 2G 3G 0I 1I 2I 3I 0K 1K 2K 3K 0M 1M 2M 3M) vpunpckhwd ymmG, ymmB, ymmF ; ymmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F ; 0P 1P 2P 3P 0R 1R 2R 3R 0T 1T 2T 3T 0V 1V 2V 3V) vpunpcklwd ymmB, ymmB, ymmF ; ymmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37 ; 0H 1H 2H 3H 0J 1J 2J 3J 0L 1L 2L 3L 0N 1N 2N 3N) vpunpckhdq ymmE, ymmA, ymmB ; ymmE=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37 ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N) vpunpckldq ymmB, ymmA, ymmB ; ymmB=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 ; 0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J) vpunpckhdq ymmF, ymmC, ymmG ; ymmF=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V) vpunpckldq ymmG, ymmC, ymmG ; ymmG=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B ; 0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R) vperm2i128 ymmA, ymmB, ymmE, 0x20 ; ymmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 ; 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37) vperm2i128 ymmD, ymmG, ymmF, 0x20 ; ymmD=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B ; 0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F) vperm2i128 ymmC, ymmB, ymmE, 0x31 ; ymmC=(0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N) vperm2i128 ymmH, ymmG, ymmF, 0x31 ; ymmH=(0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V) cmp rcx, byte SIZEOF_YMMWORD jb short .column_st64 test rdi, SIZEOF_YMMWORD-1 jnz short .out1 ; --(aligned)------------------- vmovntdq YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA vmovntdq YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD vmovntdq YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmC vmovntdq YMMWORD [rdi+3*SIZEOF_YMMWORD], ymmH jmp short .out0 .out1: ; --(unaligned)----------------- vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD vmovdqu YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmC vmovdqu YMMWORD [rdi+3*SIZEOF_YMMWORD], ymmH .out0: add rdi, RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr sub rcx, byte SIZEOF_YMMWORD jz near .endcolumn add rsi, byte SIZEOF_YMMWORD ; inptr0 dec al jnz near .Yloop_2nd add rbx, byte SIZEOF_YMMWORD ; inptr1 add rdx, byte SIZEOF_YMMWORD ; inptr2 jmp near .columnloop .column_st64: cmp rcx, byte SIZEOF_YMMWORD/2 jb short .column_st32 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD add rdi, byte 2*SIZEOF_YMMWORD ; outptr vmovdqa ymmA, ymmC vmovdqa ymmD, ymmH sub rcx, byte SIZEOF_YMMWORD/2 .column_st32: cmp rcx, byte SIZEOF_YMMWORD/4 jb short .column_st16 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA add rdi, byte SIZEOF_YMMWORD ; outptr vmovdqa ymmA, ymmD sub rcx, byte SIZEOF_YMMWORD/4 .column_st16: cmp rcx, byte SIZEOF_YMMWORD/8 jb short .column_st15 vmovdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA add rdi, byte SIZEOF_XMMWORD ; outptr vperm2i128 ymmA, ymmA, ymmA, 1 sub rcx, byte SIZEOF_YMMWORD/8 .column_st15: ; Store two pixels (8 bytes) of ymmA to the output when it has enough ; space. cmp rcx, byte SIZEOF_YMMWORD/16 jb short .column_st7 vmovq MMWORD [rdi], xmmA add rdi, byte SIZEOF_YMMWORD/16*4 sub rcx, byte SIZEOF_YMMWORD/16 vpsrldq xmmA, SIZEOF_YMMWORD/16*4 .column_st7: ; Store one pixel (4 bytes) of ymmA to the output when it has enough ; space. test rcx, rcx jz short .endcolumn vmovd XMM_DWORD [rdi], xmmA %endif ; RGB_PIXELSIZE ; --------------- .endcolumn: sfence ; flush the write buffer .return: pop rbx vzeroupper uncollect_args 4 mov rsp, rbp ; rsp <- aligned rbp pop rsp ; rsp <- original rbp pop rbp ret ; -------------------------------------------------------------------------- ; ; Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical. ; ; GLOBAL(void) ; jsimd_h2v2_merged_upsample_avx2 (JDIMENSION output_width, ; JSAMPIMAGE input_buf, ; JDIMENSION in_row_group_ctr, ; JSAMPARRAY output_buf); ; ; r10d = JDIMENSION output_width ; r11 = JSAMPIMAGE input_buf ; r12d = JDIMENSION in_row_group_ctr ; r13 = JSAMPARRAY output_buf align 32 global EXTN(jsimd_h2v2_merged_upsample_avx2) EXTN(jsimd_h2v2_merged_upsample_avx2): push rbp mov rax, rsp mov rbp, rsp collect_args 4 push rbx mov eax, r10d mov rdi, r11 mov ecx, r12d mov rsi, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY] mov rbx, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY] mov rdx, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY] mov rdi, r13 lea rsi, [rsi+rcx*SIZEOF_JSAMPROW] push rdx ; inptr2 push rbx ; inptr1 push rsi ; inptr00 mov rbx, rsp push rdi push rcx push rax %ifdef WIN64 mov r8, rcx mov r9, rdi mov rcx, rax mov rdx, rbx %else mov rdx, rcx mov rcx, rdi mov rdi, rax mov rsi, rbx %endif call EXTN(jsimd_h2v1_merged_upsample_avx2) pop rax pop rcx pop rdi pop rsi pop rbx pop rdx add rdi, byte SIZEOF_JSAMPROW ; outptr1 add rsi, byte SIZEOF_JSAMPROW ; inptr01 push rdx ; inptr2 push rbx ; inptr1 push rsi ; inptr00 mov rbx, rsp push rdi push rcx push rax %ifdef WIN64 mov r8, rcx mov r9, rdi mov rcx, rax mov rdx, rbx %else mov rdx, rcx mov rcx, rdi mov rdi, rax mov rsi, rbx %endif call EXTN(jsimd_h2v1_merged_upsample_avx2) pop rax pop rcx pop rdi pop rsi pop rbx pop rdx pop rbx uncollect_args 4 pop rbp ret ; For some reason, the OS X linker does not honor the request to align the ; segment unless we do this. align 32