kc3-lang/libjpeg-turbo/simd/jccolext-avx2.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/jccolext-avx2.asm
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; ; jccolext.asm - colorspace conversion (AVX2) ; ; Copyright (C) 2015, Intel Corporation. ; Copyright (C) 2016, D. R. Commander. ; ; 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" ; -------------------------------------------------------------------------- ; ; Convert some rows of samples to the output colorspace. ; ; GLOBAL(void) ; jsimd_rgb_ycc_convert_avx2 (JDIMENSION img_width, ; JSAMPARRAY input_buf, JSAMPIMAGE output_buf, ; JDIMENSION output_row, int num_rows); ; %define img_width(b) (b)+8 ; JDIMENSION img_width %define input_buf(b) (b)+12 ; JSAMPARRAY input_buf %define output_buf(b) (b)+16 ; JSAMPIMAGE output_buf %define output_row(b) (b)+20 ; JDIMENSION output_row %define num_rows(b) (b)+24 ; int num_rows %define original_ebp ebp+0 %define wk(i) ebp-(WK_NUM-(i))*SIZEOF_YMMWORD ; ymmword wk[WK_NUM] %define WK_NUM 8 %define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr align 32 global EXTN(jsimd_rgb_ycc_convert_avx2) EXTN(jsimd_rgb_ycc_convert_avx2): push ebp mov eax, esp ; eax = original ebp sub esp, byte 4 and esp, byte (-SIZEOF_YMMWORD) ; align to 256 bits mov [esp], eax mov ebp, esp ; ebp = aligned ebp lea esp, [wk(0)] pushpic eax ; make a room for GOT address push ebx ; push ecx ; need not be preserved ; push edx ; need not be preserved push esi push edi get_GOT ebx ; get GOT address movpic POINTER [gotptr], ebx ; save GOT address mov ecx, JDIMENSION [img_width(eax)] test ecx, ecx jz near .return push ecx mov esi, JSAMPIMAGE [output_buf(eax)] mov ecx, JDIMENSION [output_row(eax)] mov edi, JSAMPARRAY [esi+0*SIZEOF_JSAMPARRAY] mov ebx, JSAMPARRAY [esi+1*SIZEOF_JSAMPARRAY] mov edx, JSAMPARRAY [esi+2*SIZEOF_JSAMPARRAY] lea edi, [edi+ecx*SIZEOF_JSAMPROW] lea ebx, [ebx+ecx*SIZEOF_JSAMPROW] lea edx, [edx+ecx*SIZEOF_JSAMPROW] pop ecx mov esi, JSAMPARRAY [input_buf(eax)] mov eax, INT [num_rows(eax)] test eax, eax jle near .return alignx 16, 7 .rowloop: pushpic eax push edx push ebx push edi push esi push ecx ; col mov esi, JSAMPROW [esi] ; inptr mov edi, JSAMPROW [edi] ; outptr0 mov ebx, JSAMPROW [ebx] ; outptr1 mov edx, JSAMPROW [edx] ; outptr2 movpic eax, POINTER [gotptr] ; load GOT address (eax) cmp ecx, byte SIZEOF_YMMWORD jae near .columnloop alignx 16, 7 %if RGB_PIXELSIZE == 3 ; --------------- .column_ld1: push eax push edx lea ecx, [ecx+ecx*2] ; imul ecx,RGB_PIXELSIZE test cl, SIZEOF_BYTE jz short .column_ld2 sub ecx, byte SIZEOF_BYTE movzx eax, BYTE [esi+ecx] .column_ld2: test cl, SIZEOF_WORD jz short .column_ld4 sub ecx, byte SIZEOF_WORD movzx edx, WORD [esi+ecx] shl eax, WORD_BIT or eax, edx .column_ld4: vmovd xmmA, eax pop edx pop eax test cl, SIZEOF_DWORD jz short .column_ld8 sub ecx, byte SIZEOF_DWORD vmovd xmmF, XMM_DWORD [esi+ecx] vpslldq xmmA, xmmA, SIZEOF_DWORD vpor xmmA, xmmA, xmmF .column_ld8: test cl, SIZEOF_MMWORD jz short .column_ld16 sub ecx, byte SIZEOF_MMWORD vmovq xmmB, XMM_MMWORD [esi+ecx] vpslldq xmmA, xmmA, SIZEOF_MMWORD vpor xmmA, xmmA, xmmB .column_ld16: test cl, SIZEOF_XMMWORD jz short .column_ld32 sub ecx, byte SIZEOF_XMMWORD vmovdqu xmmB, XMM_MMWORD [esi+ecx] vperm2i128 ymmA, ymmA, ymmA, 1 vpor ymmA, ymmB .column_ld32: test cl, SIZEOF_YMMWORD jz short .column_ld64 sub ecx, byte SIZEOF_YMMWORD vmovdqa ymmF, ymmA vmovdqu ymmA, YMMWORD [esi+0*SIZEOF_YMMWORD] .column_ld64: test cl, 2*SIZEOF_YMMWORD mov ecx, SIZEOF_YMMWORD jz short .rgb_ycc_cnv vmovdqa ymmB, ymmA vmovdqu ymmA, YMMWORD [esi+0*SIZEOF_YMMWORD] vmovdqu ymmF, YMMWORD [esi+1*SIZEOF_YMMWORD] jmp short .rgb_ycc_cnv alignx 16, 7 .columnloop: vmovdqu ymmA, YMMWORD [esi+0*SIZEOF_YMMWORD] vmovdqu ymmF, YMMWORD [esi+1*SIZEOF_YMMWORD] vmovdqu ymmB, YMMWORD [esi+2*SIZEOF_YMMWORD] .rgb_ycc_cnv: ; 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) ; ymmF=(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) ; ymmB=(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) vmovdqu ymmC, ymmA vinserti128 ymmA, ymmF, xmmA, 0 ; ymmA=(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) vinserti128 ymmC, ymmC, xmmB, 0 ; ymmC=(1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q ; 15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) vinserti128 ymmB, ymmB, xmmF, 0 ; ymmB=(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 ymmF, ymmC, ymmC, 1 ; ymmF=(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) vmovdqa ymmG, ymmA vpslldq ymmA, ymmA, 8 ; ymmA=(-- -- -- -- -- -- -- -- 00 10 20 01 11 21 02 12 ; 22 03 13 23 04 14 24 05 0G 1G 2G 0H 1H 2H 0I 1I) vpsrldq ymmG, ymmG, 8 ; ymmG=(22 03 13 23 04 14 24 05 0G 1G 2G 0H 1H 2H 0I 1I ; 2I 0J 1J 2J 0K 1K 2K 0L -- -- -- -- -- -- -- --) vpunpckhbw ymmA, ymmA, ymmF ; ymmA=(00 08 10 18 20 28 01 09 11 19 21 29 02 0A 12 1A ; 0G 0O 1G 1O 2G 2O 0H 0P 1H 1P 2H 2P 0I 0Q 1I 1Q) vpslldq ymmF, ymmF, 8 ; ymmF=(-- -- -- -- -- -- -- -- 15 25 06 16 26 07 17 27 ; 08 18 28 09 19 29 0A 1A 1L 2L 0M 1M 2M 0N 1N 2N) vpunpcklbw ymmG, ymmG, ymmB ; ymmG=(22 2A 03 0B 13 1B 23 2B 04 0C 14 1C 24 2C 05 0D ; 2I 2Q 0J 0R 1J 1R 2J 2R 0K 0S 1K 1S 2K 2S 0L 0T) vpunpckhbw ymmF, ymmF, ymmB ; ymmF=(15 1D 25 2D 06 0E 16 1E 26 2E 07 0F 17 1F 27 2F ; 1L 1T 2L 2T 0M 0U 1M 1U 2M 2U 0N 0V 1N 1V 2N 2V) vmovdqa ymmD, ymmA vpslldq ymmA, ymmA, 8 ; ymmA=(-- -- -- -- -- -- -- -- 00 08 10 18 20 28 01 09 ; 11 19 21 29 02 0A 12 1A 0G 0O 1G 1O 2G 2O 0H 0P) vpsrldq ymmD, ymmD, 8 ; ymmD=(11 19 21 29 02 0A 12 1A 0G 0O 1G 1O 2G 2O 0H 0P ; 1H 1P 2H 2P 0I 0Q 1I 1Q -- -- -- -- -- -- -- --) vpunpckhbw ymmA, ymmA, ymmG ; ymmA=(00 04 08 0C 10 14 18 1C 20 24 28 2C 01 05 09 0D ; 0G 0K 0O 0S 1G 1K 1O 1S 2G 2K 2O 2S 0H 0L 0P 0T) vpslldq ymmG, ymmG, 8 ; ymmG=(-- -- -- -- -- -- -- -- 22 2A 03 0B 13 1B 23 2B ; 04 0C 14 1C 24 2C 05 0D 2I 2Q 0J 0R 1J 1R 2J 2R) vpunpcklbw ymmD, ymmD, ymmF ; ymmD=(11 15 19 1D 21 25 29 2D 02 06 0A 0E 12 16 1A 1E ; 1H 1L 1P 1T 2H 2L 2P 2T 0I 0M 0Q 0U 1I 1M 1Q 1U) vpunpckhbw ymmG, ymmG, ymmF ; ymmG=(22 26 2A 2E 03 07 0B 0F 13 17 1B 1F 23 27 2B 2F ; 2I 2M 2Q 2U 0J 0N 0R 0V 1J 1N 1R 1V 2J 2N 2R 2V) vmovdqa ymmE, ymmA vpslldq ymmA, ymmA, 8 ; ymmA=(-- -- -- -- -- -- -- -- 00 04 08 0C 10 14 18 1C ; 20 24 28 2C 01 05 09 0D 0G 0K 0O 0S 1G 1K 1O 1S) vpsrldq ymmE, ymmE, 8 ; ymmE=(20 24 28 2C 01 05 09 0D 0G 0K 0O 0S 1G 1K 1O 1S ; 2G 2K 2O 2S 0H 0L 0P 0T -- -- -- -- -- -- -- --) vpunpckhbw ymmA, ymmA, ymmD ; ymmA=(00 02 04 06 08 0A 0C 0E 10 12 14 16 18 1A 1C 1E ; 0G 0I 0K 0M 0O 0Q 0S 0U 1G 1I 1K 1M 1O 1Q 1S 1U) vpslldq ymmD, ymmD, 8 ; ymmD=(-- -- -- -- -- -- -- -- 11 15 19 1D 21 25 29 2D ; 02 06 0A 0E 12 16 1A 1E 1H 1L 1P 1T 2H 2L 2P 2T) vpunpcklbw ymmE, ymmE, ymmG ; ymmE=(20 22 24 26 28 2A 2C 2E 01 03 05 07 09 0B 0D 0F ; 2G 2I 2K 2M 2O 2Q 2S 2U 0H 0J 0L 0N 0P 0R 0T 0V) vpunpckhbw ymmD, ymmD, ymmG ; ymmD=(11 13 15 17 19 1B 1D 1F 21 23 25 27 29 2B 2D 2F ; 1H 1J 1L 1N 1P 1R 1T 1V 2H 2J 2L 2N 2P 2R 2T 2V) vpxor ymmH, ymmH, ymmH vmovdqa ymmC, ymmA vpunpcklbw ymmA, ymmA, ymmH ; ymmA=(00 02 04 06 08 0A 0C 0E 0G 0I 0K 0M 0O 0Q 0S 0U) vpunpckhbw ymmC, ymmC, ymmH ; ymmC=(10 12 14 16 18 1A 1C 1E 1G 1I 1K 1M 1O 1Q 1S 1U) vmovdqa ymmB, ymmE vpunpcklbw ymmE, ymmE, ymmH ; ymmE=(20 22 24 26 28 2A 2C 2E 2G 2I 2K 2M 2O 2Q 2S 2U) vpunpckhbw ymmB, ymmB, ymmH ; ymmB=(01 03 05 07 09 0B 0D 0F 0H 0J 0L 0N 0P 0R 0T 0V) vmovdqa ymmF, ymmD vpunpcklbw ymmD, ymmD, ymmH ; ymmD=(11 13 15 17 19 1B 1D 1F 1H 1J 1L 1N 1P 1R 1T 1V) vpunpckhbw ymmF, ymmF, ymmH ; ymmF=(21 23 25 27 29 2B 2D 2F 2H 2J 2L 2N 2P 2R 2T 2V) %else ; RGB_PIXELSIZE == 4 ; ----------- .column_ld1: test cl, SIZEOF_XMMWORD/16 jz short .column_ld2 sub ecx, byte SIZEOF_XMMWORD/16 vmovd xmmA, XMM_DWORD [esi+ecx*RGB_PIXELSIZE] .column_ld2: test cl, SIZEOF_XMMWORD/8 jz short .column_ld4 sub ecx, byte SIZEOF_XMMWORD/8 vmovq xmmF, XMM_MMWORD [esi+ecx*RGB_PIXELSIZE] vpslldq xmmA, xmmA, SIZEOF_MMWORD vpor xmmA, xmmA, xmmF .column_ld4: test cl, SIZEOF_XMMWORD/4 jz short .column_ld8 sub ecx, byte SIZEOF_XMMWORD/4 vmovdqa xmmF, xmmA vperm2i128 ymmF, ymmF, ymmF, 1 vmovdqu xmmA, XMMWORD [esi+ecx*RGB_PIXELSIZE] vpor ymmA, ymmA, ymmF .column_ld8: test cl, SIZEOF_XMMWORD/2 jz short .column_ld16 sub ecx, byte SIZEOF_XMMWORD/2 vmovdqa ymmF, ymmA vmovdqu ymmA, YMMWORD [esi+ecx*RGB_PIXELSIZE] .column_ld16: test cl, SIZEOF_XMMWORD mov ecx, SIZEOF_YMMWORD jz short .rgb_ycc_cnv vmovdqa ymmE, ymmA vmovdqa ymmH, ymmF vmovdqu ymmA, YMMWORD [esi+0*SIZEOF_YMMWORD] vmovdqu ymmF, YMMWORD [esi+1*SIZEOF_YMMWORD] jmp short .rgb_ycc_cnv alignx 16, 7 .columnloop: vmovdqu ymmA, YMMWORD [esi+0*SIZEOF_YMMWORD] vmovdqu ymmF, YMMWORD [esi+1*SIZEOF_YMMWORD] vmovdqu ymmE, YMMWORD [esi+2*SIZEOF_YMMWORD] vmovdqu ymmH, YMMWORD [esi+3*SIZEOF_YMMWORD] .rgb_ycc_cnv: ; 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) ; ymmF=(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) ; ymmE=(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) ; 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) vmovdqa ymmB, ymmA vinserti128 ymmA, ymmA, xmmE, 1 ; ymmA=(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) vperm2i128 ymmE, ymmB, ymmE, 0x31 ; 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) vmovdqa ymmB, ymmF vinserti128 ymmF, ymmF, xmmH, 1 ; ymmF=(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 ymmH, ymmB, ymmH, 0x31 ; ymmH=(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) vmovdqa ymmD, ymmA vpunpcklbw ymmA, ymmA, ymmE ; ymmA=(00 04 10 14 20 24 30 34 01 05 11 15 21 25 31 35 ; 0G 0K 1G 1K 2G 2K 3G 3K 0H 0L 1H 1L 2H 2L 3H 3L) vpunpckhbw ymmD, ymmD, ymmE ; ymmD=(02 06 12 16 22 26 32 36 03 07 13 17 23 27 33 37 ; 0I 0M 1I 1M 2I 2M 3I 3M 0J 0N 1J 1N 2J 2N 3J 3N) vmovdqa ymmC, ymmF vpunpcklbw ymmF, ymmF, ymmH ; ymmF=(08 0C 18 1C 28 2C 38 3C 09 0D 19 1D 29 2D 39 3D ; 0O 0S 1O 1S 2O 2S 3O 3S 0P 0T 1P 1T 2P 2T 3P 3T) vpunpckhbw ymmC, ymmC, ymmH ; ymmC=(0A 0E 1A 1E 2A 2E 3A 3E 0B 0F 1B 1F 2B 2F 3B 3F ; 0Q 0U 1Q 1U 2Q 2U 3Q 3U 0R 0V 1R 1V 2R 2V 3R 3V) vmovdqa ymmB, ymmA vpunpcklwd ymmA, ymmA, ymmF ; ymmA=(00 04 08 0C 10 14 18 1C 20 24 28 2C 30 34 38 3C ; 0G 0K 0O 0S 1G 1K 1O 1S 2G 2K 2O 2S 3G 3K 3O 3S) vpunpckhwd ymmB, ymmB, ymmF ; ymmB=(01 05 09 0D 11 15 19 1D 21 25 29 2D 31 35 39 3D ; 0H 0L 0P 0T 1H 1L 1P 1T 2H 2L 2P 2T 3H 3L 3P 3T) vmovdqa ymmG, ymmD vpunpcklwd ymmD, ymmD, ymmC ; ymmD=(02 06 0A 0E 12 16 1A 1E 22 26 2A 2E 32 36 3A 3E ; 0I 0M 0Q 0U 1I 1M 1Q 1U 2I 2M 2Q 2U 3I 3M 3Q 3U) vpunpckhwd ymmG, ymmG, ymmC ; ymmG=(03 07 0B 0F 13 17 1B 1F 23 27 2B 2F 33 37 3B 3F ; 0J 0N 0R 0V 1J 1N 1R 1V 2J 2N 2R 2V 3J 3N 3R 3V) vmovdqa ymmE, ymmA vpunpcklbw ymmA, ymmA, ymmD ; ymmA=(00 02 04 06 08 0A 0C 0E 10 12 14 16 18 1A 1C 1E ; 0G 0I 0K 0M 0O 0Q 0S 0U 1G 1I 1K 1M 1O 1Q 1S 1U) vpunpckhbw ymmE, ymmE, ymmD ; ymmE=(20 22 24 26 28 2A 2C 2E 30 32 34 36 38 3A 3C 3E ; 2G 2I 2K 2M 2O 2Q 2S 2U 3G 3I 3K 3M 3O 3Q 3S 3U) vmovdqa ymmH, ymmB vpunpcklbw ymmB, ymmB, ymmG ; ymmB=(01 03 05 07 09 0B 0D 0F 11 13 15 17 19 1B 1D 1F ; 0H 0J 0L 0N 0P 0R 0T 0V 1H 1J 1L 1N 1P 1R 1T 1V) vpunpckhbw ymmH, ymmH, ymmG ; ymmH=(21 23 25 27 29 2B 2D 2F 31 33 35 37 39 3B 3D 3F ; 2H 2J 2L 2N 2P 2R 2T 2V 3H 3J 3L 3N 3P 3R 3T 3V) vpxor ymmF, ymmF, ymmF vmovdqa ymmC, ymmA vpunpcklbw ymmA, ymmA, ymmF ; ymmA=(00 02 04 06 08 0A 0C 0E 0G 0I 0K 0M 0O 0Q 0S 0U) vpunpckhbw ymmC, ymmC, ymmF ; ymmC=(10 12 14 16 18 1A 1C 1E 1G 1I 1K 1M 1O 1Q 1S 1U) vmovdqa ymmD, ymmB vpunpcklbw ymmB, ymmB, ymmF ; ymmB=(01 03 05 07 09 0B 0D 0F 0H 0J 0L 0N 0P 0R 0T 0V) vpunpckhbw ymmD, ymmD, ymmF ; ymmD=(11 13 15 17 19 1B 1D 1F 1H 1J 1L 1N 1P 1R 1T 1V) vmovdqa ymmG, ymmE vpunpcklbw ymmE, ymmE, ymmF ; ymmE=(20 22 24 26 28 2A 2C 2E 2G 2I 2K 2M 2O 2Q 2S 2U) vpunpckhbw ymmG, ymmG, ymmF ; ymmG=(30 32 34 36 38 3A 3C 3E 3G 3I 3K 3M 3O 3Q 3S 3U) vpunpcklbw ymmF, ymmF, ymmH vpunpckhbw ymmH, ymmH, ymmH vpsrlw ymmF, ymmF, BYTE_BIT ; ymmF=(21 23 25 27 29 2B 2D 2F 2H 2J 2L 2N 2P 2R 2T 2V) vpsrlw ymmH, ymmH, BYTE_BIT ; ymmH=(31 33 35 37 39 3B 3D 3F 3H 3J 3L 3N 3P 3R 3T 3V) %endif ; RGB_PIXELSIZE ; --------------- ; ymm0=R(02468ACEGIKMOQSU)=RE, ymm2=G(02468ACEGIKMOQSU)=GE, ymm4=B(02468ACEGIKMOQSU)=BE ; ymm1=R(13579BDFHJLNPRTV)=RO, ymm3=G(13579BDFHJLNPRTV)=GO, ymm5=B(13579BDFHJLNPRTV)=BO ; (Original) ; Y = 0.29900 * R + 0.58700 * G + 0.11400 * B ; Cb = -0.16874 * R - 0.33126 * G + 0.50000 * B + CENTERJSAMPLE ; Cr = 0.50000 * R - 0.41869 * G - 0.08131 * B + CENTERJSAMPLE ; ; (This implementation) ; Y = 0.29900 * R + 0.33700 * G + 0.11400 * B + 0.25000 * G ; Cb = -0.16874 * R - 0.33126 * G + 0.50000 * B + CENTERJSAMPLE ; Cr = 0.50000 * R - 0.41869 * G - 0.08131 * B + CENTERJSAMPLE vmovdqa YMMWORD [wk(0)], ymm0 ; wk(0)=RE vmovdqa YMMWORD [wk(1)], ymm1 ; wk(1)=RO vmovdqa YMMWORD [wk(2)], ymm4 ; wk(2)=BE vmovdqa YMMWORD [wk(3)], ymm5 ; wk(3)=BO vmovdqa ymm6, ymm1 vpunpcklwd ymm1, ymm1, ymm3 vpunpckhwd ymm6, ymm6, ymm3 vmovdqa ymm7, ymm1 vmovdqa ymm4, ymm6 vpmaddwd ymm1, ymm1, [GOTOFF(eax,PW_F0299_F0337)] ; ymm1=ROL*FIX(0.299)+GOL*FIX(0.337) vpmaddwd ymm6, ymm6, [GOTOFF(eax,PW_F0299_F0337)] ; ymm6=ROH*FIX(0.299)+GOH*FIX(0.337) vpmaddwd ymm7, ymm7, [GOTOFF(eax,PW_MF016_MF033)] ; ymm7=ROL*-FIX(0.168)+GOL*-FIX(0.331) vpmaddwd ymm4, ymm4, [GOTOFF(eax,PW_MF016_MF033)] ; ymm4=ROH*-FIX(0.168)+GOH*-FIX(0.331) vmovdqa YMMWORD [wk(4)], ymm1 ; wk(4)=ROL*FIX(0.299)+GOL*FIX(0.337) vmovdqa YMMWORD [wk(5)], ymm6 ; wk(5)=ROH*FIX(0.299)+GOH*FIX(0.337) vpxor ymm1, ymm1, ymm1 vpxor ymm6, ymm6, ymm6 vpunpcklwd ymm1, ymm1, ymm5 ; ymm1=BOL vpunpckhwd ymm6, ymm6, ymm5 ; ymm6=BOH vpsrld ymm1, ymm1, 1 ; ymm1=BOL*FIX(0.500) vpsrld ymm6, ymm6, 1 ; ymm6=BOH*FIX(0.500) vmovdqa ymm5, [GOTOFF(eax,PD_ONEHALFM1_CJ)] ; ymm5=[PD_ONEHALFM1_CJ] vpaddd ymm7, ymm7, ymm1 vpaddd ymm4, ymm4, ymm6 vpaddd ymm7, ymm7, ymm5 vpaddd ymm4, ymm4, ymm5 vpsrld ymm7, ymm7, SCALEBITS ; ymm7=CbOL vpsrld ymm4, ymm4, SCALEBITS ; ymm4=CbOH vpackssdw ymm7, ymm7, ymm4 ; ymm7=CbO vmovdqa ymm1, YMMWORD [wk(2)] ; ymm1=BE vmovdqa ymm6, ymm0 vpunpcklwd ymm0, ymm0, ymm2 vpunpckhwd ymm6, ymm6, ymm2 vmovdqa ymm5, ymm0 vmovdqa ymm4, ymm6 vpmaddwd ymm0, ymm0, [GOTOFF(eax,PW_F0299_F0337)] ; ymm0=REL*FIX(0.299)+GEL*FIX(0.337) vpmaddwd ymm6, ymm6, [GOTOFF(eax,PW_F0299_F0337)] ; ymm6=REH*FIX(0.299)+GEH*FIX(0.337) vpmaddwd ymm5, ymm5, [GOTOFF(eax,PW_MF016_MF033)] ; ymm5=REL*-FIX(0.168)+GEL*-FIX(0.331) vpmaddwd ymm4, ymm4, [GOTOFF(eax,PW_MF016_MF033)] ; ymm4=REH*-FIX(0.168)+GEH*-FIX(0.331) vmovdqa YMMWORD [wk(6)], ymm0 ; wk(6)=REL*FIX(0.299)+GEL*FIX(0.337) vmovdqa YMMWORD [wk(7)], ymm6 ; wk(7)=REH*FIX(0.299)+GEH*FIX(0.337) vpxor ymm0, ymm0, ymm0 vpxor ymm6, ymm6, ymm6 vpunpcklwd ymm0, ymm0, ymm1 ; ymm0=BEL vpunpckhwd ymm6, ymm6, ymm1 ; ymm6=BEH vpsrld ymm0, ymm0, 1 ; ymm0=BEL*FIX(0.500) vpsrld ymm6, ymm6, 1 ; ymm6=BEH*FIX(0.500) vmovdqa ymm1, [GOTOFF(eax,PD_ONEHALFM1_CJ)] ; ymm1=[PD_ONEHALFM1_CJ] vpaddd ymm5, ymm5, ymm0 vpaddd ymm4, ymm4, ymm6 vpaddd ymm5, ymm5, ymm1 vpaddd ymm4, ymm4, ymm1 vpsrld ymm5, ymm5, SCALEBITS ; ymm5=CbEL vpsrld ymm4, ymm4, SCALEBITS ; ymm4=CbEH vpackssdw ymm5, ymm5, ymm4 ; ymm5=CbE vpsllw ymm7, ymm7, BYTE_BIT vpor ymm5, ymm5, ymm7 ; ymm5=Cb vmovdqu YMMWORD [ebx], ymm5 ; Save Cb vmovdqa ymm0, YMMWORD [wk(3)] ; ymm0=BO vmovdqa ymm6, YMMWORD [wk(2)] ; ymm6=BE vmovdqa ymm1, YMMWORD [wk(1)] ; ymm1=RO vmovdqa ymm4, ymm0 vpunpcklwd ymm0, ymm0, ymm3 vpunpckhwd ymm4, ymm4, ymm3 vmovdqa ymm7, ymm0 vmovdqa ymm5, ymm4 vpmaddwd ymm0, ymm0, [GOTOFF(eax,PW_F0114_F0250)] ; ymm0=BOL*FIX(0.114)+GOL*FIX(0.250) vpmaddwd ymm4, ymm4, [GOTOFF(eax,PW_F0114_F0250)] ; ymm4=BOH*FIX(0.114)+GOH*FIX(0.250) vpmaddwd ymm7, ymm7, [GOTOFF(eax,PW_MF008_MF041)] ; ymm7=BOL*-FIX(0.081)+GOL*-FIX(0.418) vpmaddwd ymm5, ymm5, [GOTOFF(eax,PW_MF008_MF041)] ; ymm5=BOH*-FIX(0.081)+GOH*-FIX(0.418) vmovdqa ymm3, [GOTOFF(eax,PD_ONEHALF)] ; ymm3=[PD_ONEHALF] vpaddd ymm0, ymm0, YMMWORD [wk(4)] vpaddd ymm4, ymm4, YMMWORD [wk(5)] vpaddd ymm0, ymm0, ymm3 vpaddd ymm4, ymm4, ymm3 vpsrld ymm0, ymm0, SCALEBITS ; ymm0=YOL vpsrld ymm4, ymm4, SCALEBITS ; ymm4=YOH vpackssdw ymm0, ymm0, ymm4 ; ymm0=YO vpxor ymm3, ymm3, ymm3 vpxor ymm4, ymm4, ymm4 vpunpcklwd ymm3, ymm3, ymm1 ; ymm3=ROL vpunpckhwd ymm4, ymm4, ymm1 ; ymm4=ROH vpsrld ymm3, ymm3, 1 ; ymm3=ROL*FIX(0.500) vpsrld ymm4, ymm4, 1 ; ymm4=ROH*FIX(0.500) vmovdqa ymm1, [GOTOFF(eax,PD_ONEHALFM1_CJ)] ; ymm1=[PD_ONEHALFM1_CJ] vpaddd ymm7, ymm7, ymm3 vpaddd ymm5, ymm5, ymm4 vpaddd ymm7, ymm7, ymm1 vpaddd ymm5, ymm5, ymm1 vpsrld ymm7, ymm7, SCALEBITS ; ymm7=CrOL vpsrld ymm5, ymm5, SCALEBITS ; ymm5=CrOH vpackssdw ymm7, ymm7, ymm5 ; ymm7=CrO vmovdqa ymm3, YMMWORD [wk(0)] ; ymm3=RE vmovdqa ymm4, ymm6 vpunpcklwd ymm6, ymm6, ymm2 vpunpckhwd ymm4, ymm4, ymm2 vmovdqa ymm1, ymm6 vmovdqa ymm5, ymm4 vpmaddwd ymm6, ymm6, [GOTOFF(eax,PW_F0114_F0250)] ; ymm6=BEL*FIX(0.114)+GEL*FIX(0.250) vpmaddwd ymm4, ymm4, [GOTOFF(eax,PW_F0114_F0250)] ; ymm4=BEH*FIX(0.114)+GEH*FIX(0.250) vpmaddwd ymm1, ymm1, [GOTOFF(eax,PW_MF008_MF041)] ; ymm1=BEL*-FIX(0.081)+GEL*-FIX(0.418) vpmaddwd ymm5, ymm5, [GOTOFF(eax,PW_MF008_MF041)] ; ymm5=BEH*-FIX(0.081)+GEH*-FIX(0.418) vmovdqa ymm2, [GOTOFF(eax,PD_ONEHALF)] ; ymm2=[PD_ONEHALF] vpaddd ymm6, ymm6, YMMWORD [wk(6)] vpaddd ymm4, ymm4, YMMWORD [wk(7)] vpaddd ymm6, ymm6, ymm2 vpaddd ymm4, ymm4, ymm2 vpsrld ymm6, ymm6, SCALEBITS ; ymm6=YEL vpsrld ymm4, ymm4, SCALEBITS ; ymm4=YEH vpackssdw ymm6, ymm6, ymm4 ; ymm6=YE vpsllw ymm0, ymm0, BYTE_BIT vpor ymm6, ymm6, ymm0 ; ymm6=Y vmovdqu YMMWORD [edi], ymm6 ; Save Y vpxor ymm2, ymm2, ymm2 vpxor ymm4, ymm4, ymm4 vpunpcklwd ymm2, ymm2, ymm3 ; ymm2=REL vpunpckhwd ymm4, ymm4, ymm3 ; ymm4=REH vpsrld ymm2, ymm2, 1 ; ymm2=REL*FIX(0.500) vpsrld ymm4, ymm4, 1 ; ymm4=REH*FIX(0.500) vmovdqa ymm0, [GOTOFF(eax,PD_ONEHALFM1_CJ)] ; ymm0=[PD_ONEHALFM1_CJ] vpaddd ymm1, ymm1, ymm2 vpaddd ymm5, ymm5, ymm4 vpaddd ymm1, ymm1, ymm0 vpaddd ymm5, ymm5, ymm0 vpsrld ymm1, ymm1, SCALEBITS ; ymm1=CrEL vpsrld ymm5, ymm5, SCALEBITS ; ymm5=CrEH vpackssdw ymm1, ymm1, ymm5 ; ymm1=CrE vpsllw ymm7, ymm7, BYTE_BIT vpor ymm1, ymm1, ymm7 ; ymm1=Cr vmovdqu YMMWORD [edx], ymm1 ; Save Cr sub ecx, byte SIZEOF_YMMWORD add esi, RGB_PIXELSIZE*SIZEOF_YMMWORD ; inptr add edi, byte SIZEOF_YMMWORD ; outptr0 add ebx, byte SIZEOF_YMMWORD ; outptr1 add edx, byte SIZEOF_YMMWORD ; outptr2 cmp ecx, byte SIZEOF_YMMWORD jae near .columnloop test ecx, ecx jnz near .column_ld1 pop ecx ; col pop esi pop edi pop ebx pop edx poppic eax add esi, byte SIZEOF_JSAMPROW ; input_buf add edi, byte SIZEOF_JSAMPROW add ebx, byte SIZEOF_JSAMPROW add edx, byte SIZEOF_JSAMPROW dec eax ; num_rows jg near .rowloop .return: vzeroupper pop edi pop esi ; pop edx ; need not be preserved ; pop ecx ; need not be preserved pop ebx mov esp, ebp ; esp <- aligned ebp pop esp ; esp <- original ebp pop ebp ret ; For some reason, the OS X linker does not honor the request to align the ; segment unless we do this. align 32