| ; |
| ; 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_FUNCTION(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_FUNCTION(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 |
