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Diffstat (limited to 'media/libjpeg/simd/x86_64/jccolext-sse2.asm')
-rw-r--r--media/libjpeg/simd/x86_64/jccolext-sse2.asm484
1 files changed, 484 insertions, 0 deletions
diff --git a/media/libjpeg/simd/x86_64/jccolext-sse2.asm b/media/libjpeg/simd/x86_64/jccolext-sse2.asm
new file mode 100644
index 0000000000..af70ed6010
--- /dev/null
+++ b/media/libjpeg/simd/x86_64/jccolext-sse2.asm
@@ -0,0 +1,484 @@
+;
+; jccolext.asm - colorspace conversion (64-bit SSE2)
+;
+; Copyright (C) 2009, 2016, D. R. Commander.
+; Copyright (C) 2018, Matthias Räncker.
+;
+; 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
+
+%include "jcolsamp.inc"
+
+; --------------------------------------------------------------------------
+;
+; Convert some rows of samples to the output colorspace.
+;
+; GLOBAL(void)
+; jsimd_rgb_ycc_convert_sse2(JDIMENSION img_width, JSAMPARRAY input_buf,
+; JSAMPIMAGE output_buf, JDIMENSION output_row,
+; int num_rows);
+;
+
+; r10d = JDIMENSION img_width
+; r11 = JSAMPARRAY input_buf
+; r12 = JSAMPIMAGE output_buf
+; r13d = JDIMENSION output_row
+; r14d = int num_rows
+
+%define wk(i) rbp - (WK_NUM - (i)) * SIZEOF_XMMWORD ; xmmword wk[WK_NUM]
+%define WK_NUM 8
+
+ align 32
+ GLOBAL_FUNCTION(jsimd_rgb_ycc_convert_sse2)
+
+EXTN(jsimd_rgb_ycc_convert_sse2):
+ push rbp
+ mov rax, rsp ; rax = original rbp
+ sub rsp, byte 4
+ and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits
+ mov [rsp], rax
+ mov rbp, rsp ; rbp = aligned rbp
+ lea rsp, [wk(0)]
+ collect_args 5
+ push rbx
+
+ mov ecx, r10d
+ test rcx, rcx
+ jz near .return
+
+ push rcx
+
+ mov rsi, r12
+ mov ecx, r13d
+ mov rdip, JSAMPARRAY [rsi+0*SIZEOF_JSAMPARRAY]
+ mov rbxp, JSAMPARRAY [rsi+1*SIZEOF_JSAMPARRAY]
+ mov rdxp, JSAMPARRAY [rsi+2*SIZEOF_JSAMPARRAY]
+ lea rdi, [rdi+rcx*SIZEOF_JSAMPROW]
+ lea rbx, [rbx+rcx*SIZEOF_JSAMPROW]
+ lea rdx, [rdx+rcx*SIZEOF_JSAMPROW]
+
+ pop rcx
+
+ mov rsi, r11
+ mov eax, r14d
+ test rax, rax
+ jle near .return
+.rowloop:
+ push rdx
+ push rbx
+ push rdi
+ push rsi
+ push rcx ; col
+
+ mov rsip, JSAMPROW [rsi] ; inptr
+ mov rdip, JSAMPROW [rdi] ; outptr0
+ mov rbxp, JSAMPROW [rbx] ; outptr1
+ mov rdxp, JSAMPROW [rdx] ; outptr2
+
+ cmp rcx, byte SIZEOF_XMMWORD
+ jae near .columnloop
+
+%if RGB_PIXELSIZE == 3 ; ---------------
+
+.column_ld1:
+ push rax
+ push rdx
+ lea rcx, [rcx+rcx*2] ; imul ecx,RGB_PIXELSIZE
+ test cl, SIZEOF_BYTE
+ jz short .column_ld2
+ sub rcx, byte SIZEOF_BYTE
+ movzx rax, byte [rsi+rcx]
+.column_ld2:
+ test cl, SIZEOF_WORD
+ jz short .column_ld4
+ sub rcx, byte SIZEOF_WORD
+ movzx rdx, word [rsi+rcx]
+ shl rax, WORD_BIT
+ or rax, rdx
+.column_ld4:
+ movd xmmA, eax
+ pop rdx
+ pop rax
+ test cl, SIZEOF_DWORD
+ jz short .column_ld8
+ sub rcx, byte SIZEOF_DWORD
+ movd xmmF, XMM_DWORD [rsi+rcx]
+ pslldq xmmA, SIZEOF_DWORD
+ por xmmA, xmmF
+.column_ld8:
+ test cl, SIZEOF_MMWORD
+ jz short .column_ld16
+ sub rcx, byte SIZEOF_MMWORD
+ movq xmmB, XMM_MMWORD [rsi+rcx]
+ pslldq xmmA, SIZEOF_MMWORD
+ por xmmA, xmmB
+.column_ld16:
+ test cl, SIZEOF_XMMWORD
+ jz short .column_ld32
+ movdqa xmmF, xmmA
+ movdqu xmmA, XMMWORD [rsi+0*SIZEOF_XMMWORD]
+ mov rcx, SIZEOF_XMMWORD
+ jmp short .rgb_ycc_cnv
+.column_ld32:
+ test cl, 2*SIZEOF_XMMWORD
+ mov rcx, SIZEOF_XMMWORD
+ jz short .rgb_ycc_cnv
+ movdqa xmmB, xmmA
+ movdqu xmmA, XMMWORD [rsi+0*SIZEOF_XMMWORD]
+ movdqu xmmF, XMMWORD [rsi+1*SIZEOF_XMMWORD]
+ jmp short .rgb_ycc_cnv
+
+.columnloop:
+ movdqu xmmA, XMMWORD [rsi+0*SIZEOF_XMMWORD]
+ movdqu xmmF, XMMWORD [rsi+1*SIZEOF_XMMWORD]
+ movdqu xmmB, XMMWORD [rsi+2*SIZEOF_XMMWORD]
+
+.rgb_ycc_cnv:
+ ; xmmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05)
+ ; xmmF=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A)
+ ; xmmB=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F)
+
+ movdqa xmmG, xmmA
+ pslldq xmmA, 8 ; xmmA=(-- -- -- -- -- -- -- -- 00 10 20 01 11 21 02 12)
+ psrldq xmmG, 8 ; xmmG=(22 03 13 23 04 14 24 05 -- -- -- -- -- -- -- --)
+
+ punpckhbw xmmA, xmmF ; xmmA=(00 08 10 18 20 28 01 09 11 19 21 29 02 0A 12 1A)
+ pslldq xmmF, 8 ; xmmF=(-- -- -- -- -- -- -- -- 15 25 06 16 26 07 17 27)
+
+ punpcklbw xmmG, xmmB ; xmmG=(22 2A 03 0B 13 1B 23 2B 04 0C 14 1C 24 2C 05 0D)
+ punpckhbw xmmF, xmmB ; xmmF=(15 1D 25 2D 06 0E 16 1E 26 2E 07 0F 17 1F 27 2F)
+
+ movdqa xmmD, xmmA
+ pslldq xmmA, 8 ; xmmA=(-- -- -- -- -- -- -- -- 00 08 10 18 20 28 01 09)
+ psrldq xmmD, 8 ; xmmD=(11 19 21 29 02 0A 12 1A -- -- -- -- -- -- -- --)
+
+ punpckhbw xmmA, xmmG ; xmmA=(00 04 08 0C 10 14 18 1C 20 24 28 2C 01 05 09 0D)
+ pslldq xmmG, 8 ; xmmG=(-- -- -- -- -- -- -- -- 22 2A 03 0B 13 1B 23 2B)
+
+ punpcklbw xmmD, xmmF ; xmmD=(11 15 19 1D 21 25 29 2D 02 06 0A 0E 12 16 1A 1E)
+ punpckhbw xmmG, xmmF ; xmmG=(22 26 2A 2E 03 07 0B 0F 13 17 1B 1F 23 27 2B 2F)
+
+ movdqa xmmE, xmmA
+ pslldq xmmA, 8 ; xmmA=(-- -- -- -- -- -- -- -- 00 04 08 0C 10 14 18 1C)
+ psrldq xmmE, 8 ; xmmE=(20 24 28 2C 01 05 09 0D -- -- -- -- -- -- -- --)
+
+ punpckhbw xmmA, xmmD ; xmmA=(00 02 04 06 08 0A 0C 0E 10 12 14 16 18 1A 1C 1E)
+ pslldq xmmD, 8 ; xmmD=(-- -- -- -- -- -- -- -- 11 15 19 1D 21 25 29 2D)
+
+ punpcklbw xmmE, xmmG ; xmmE=(20 22 24 26 28 2A 2C 2E 01 03 05 07 09 0B 0D 0F)
+ punpckhbw xmmD, xmmG ; xmmD=(11 13 15 17 19 1B 1D 1F 21 23 25 27 29 2B 2D 2F)
+
+ pxor xmmH, xmmH
+
+ movdqa xmmC, xmmA
+ punpcklbw xmmA, xmmH ; xmmA=(00 02 04 06 08 0A 0C 0E)
+ punpckhbw xmmC, xmmH ; xmmC=(10 12 14 16 18 1A 1C 1E)
+
+ movdqa xmmB, xmmE
+ punpcklbw xmmE, xmmH ; xmmE=(20 22 24 26 28 2A 2C 2E)
+ punpckhbw xmmB, xmmH ; xmmB=(01 03 05 07 09 0B 0D 0F)
+
+ movdqa xmmF, xmmD
+ punpcklbw xmmD, xmmH ; xmmD=(11 13 15 17 19 1B 1D 1F)
+ punpckhbw xmmF, xmmH ; xmmF=(21 23 25 27 29 2B 2D 2F)
+
+%else ; RGB_PIXELSIZE == 4 ; -----------
+
+.column_ld1:
+ test cl, SIZEOF_XMMWORD/16
+ jz short .column_ld2
+ sub rcx, byte SIZEOF_XMMWORD/16
+ movd xmmA, XMM_DWORD [rsi+rcx*RGB_PIXELSIZE]
+.column_ld2:
+ test cl, SIZEOF_XMMWORD/8
+ jz short .column_ld4
+ sub rcx, byte SIZEOF_XMMWORD/8
+ movq xmmE, XMM_MMWORD [rsi+rcx*RGB_PIXELSIZE]
+ pslldq xmmA, SIZEOF_MMWORD
+ por xmmA, xmmE
+.column_ld4:
+ test cl, SIZEOF_XMMWORD/4
+ jz short .column_ld8
+ sub rcx, byte SIZEOF_XMMWORD/4
+ movdqa xmmE, xmmA
+ movdqu xmmA, XMMWORD [rsi+rcx*RGB_PIXELSIZE]
+.column_ld8:
+ test cl, SIZEOF_XMMWORD/2
+ mov rcx, SIZEOF_XMMWORD
+ jz short .rgb_ycc_cnv
+ movdqa xmmF, xmmA
+ movdqa xmmH, xmmE
+ movdqu xmmA, XMMWORD [rsi+0*SIZEOF_XMMWORD]
+ movdqu xmmE, XMMWORD [rsi+1*SIZEOF_XMMWORD]
+ jmp short .rgb_ycc_cnv
+
+.columnloop:
+ movdqu xmmA, XMMWORD [rsi+0*SIZEOF_XMMWORD]
+ movdqu xmmE, XMMWORD [rsi+1*SIZEOF_XMMWORD]
+ movdqu xmmF, XMMWORD [rsi+2*SIZEOF_XMMWORD]
+ movdqu xmmH, XMMWORD [rsi+3*SIZEOF_XMMWORD]
+
+.rgb_ycc_cnv:
+ ; xmmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33)
+ ; xmmE=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37)
+ ; xmmF=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B)
+ ; xmmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F)
+
+ movdqa xmmD, xmmA
+ punpcklbw xmmA, xmmE ; xmmA=(00 04 10 14 20 24 30 34 01 05 11 15 21 25 31 35)
+ punpckhbw xmmD, xmmE ; xmmD=(02 06 12 16 22 26 32 36 03 07 13 17 23 27 33 37)
+
+ movdqa xmmC, xmmF
+ punpcklbw xmmF, xmmH ; xmmF=(08 0C 18 1C 28 2C 38 3C 09 0D 19 1D 29 2D 39 3D)
+ punpckhbw xmmC, xmmH ; xmmC=(0A 0E 1A 1E 2A 2E 3A 3E 0B 0F 1B 1F 2B 2F 3B 3F)
+
+ movdqa xmmB, xmmA
+ punpcklwd xmmA, xmmF ; xmmA=(00 04 08 0C 10 14 18 1C 20 24 28 2C 30 34 38 3C)
+ punpckhwd xmmB, xmmF ; xmmB=(01 05 09 0D 11 15 19 1D 21 25 29 2D 31 35 39 3D)
+
+ movdqa xmmG, xmmD
+ punpcklwd xmmD, xmmC ; xmmD=(02 06 0A 0E 12 16 1A 1E 22 26 2A 2E 32 36 3A 3E)
+ punpckhwd xmmG, xmmC ; xmmG=(03 07 0B 0F 13 17 1B 1F 23 27 2B 2F 33 37 3B 3F)
+
+ movdqa xmmE, xmmA
+ punpcklbw xmmA, xmmD ; xmmA=(00 02 04 06 08 0A 0C 0E 10 12 14 16 18 1A 1C 1E)
+ punpckhbw xmmE, xmmD ; xmmE=(20 22 24 26 28 2A 2C 2E 30 32 34 36 38 3A 3C 3E)
+
+ movdqa xmmH, xmmB
+ punpcklbw xmmB, xmmG ; xmmB=(01 03 05 07 09 0B 0D 0F 11 13 15 17 19 1B 1D 1F)
+ punpckhbw xmmH, xmmG ; xmmH=(21 23 25 27 29 2B 2D 2F 31 33 35 37 39 3B 3D 3F)
+
+ pxor xmmF, xmmF
+
+ movdqa xmmC, xmmA
+ punpcklbw xmmA, xmmF ; xmmA=(00 02 04 06 08 0A 0C 0E)
+ punpckhbw xmmC, xmmF ; xmmC=(10 12 14 16 18 1A 1C 1E)
+
+ movdqa xmmD, xmmB
+ punpcklbw xmmB, xmmF ; xmmB=(01 03 05 07 09 0B 0D 0F)
+ punpckhbw xmmD, xmmF ; xmmD=(11 13 15 17 19 1B 1D 1F)
+
+ movdqa xmmG, xmmE
+ punpcklbw xmmE, xmmF ; xmmE=(20 22 24 26 28 2A 2C 2E)
+ punpckhbw xmmG, xmmF ; xmmG=(30 32 34 36 38 3A 3C 3E)
+
+ punpcklbw xmmF, xmmH
+ punpckhbw xmmH, xmmH
+ psrlw xmmF, BYTE_BIT ; xmmF=(21 23 25 27 29 2B 2D 2F)
+ psrlw xmmH, BYTE_BIT ; xmmH=(31 33 35 37 39 3B 3D 3F)
+
+%endif ; RGB_PIXELSIZE ; ---------------
+
+ ; xmm0=R(02468ACE)=RE, xmm2=G(02468ACE)=GE, xmm4=B(02468ACE)=BE
+ ; xmm1=R(13579BDF)=RO, xmm3=G(13579BDF)=GO, xmm5=B(13579BDF)=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
+
+ movdqa XMMWORD [wk(0)], xmm0 ; wk(0)=RE
+ movdqa XMMWORD [wk(1)], xmm1 ; wk(1)=RO
+ movdqa XMMWORD [wk(2)], xmm4 ; wk(2)=BE
+ movdqa XMMWORD [wk(3)], xmm5 ; wk(3)=BO
+
+ movdqa xmm6, xmm1
+ punpcklwd xmm1, xmm3
+ punpckhwd xmm6, xmm3
+ movdqa xmm7, xmm1
+ movdqa xmm4, xmm6
+ pmaddwd xmm1, [rel PW_F0299_F0337] ; xmm1=ROL*FIX(0.299)+GOL*FIX(0.337)
+ pmaddwd xmm6, [rel PW_F0299_F0337] ; xmm6=ROH*FIX(0.299)+GOH*FIX(0.337)
+ pmaddwd xmm7, [rel PW_MF016_MF033] ; xmm7=ROL*-FIX(0.168)+GOL*-FIX(0.331)
+ pmaddwd xmm4, [rel PW_MF016_MF033] ; xmm4=ROH*-FIX(0.168)+GOH*-FIX(0.331)
+
+ movdqa XMMWORD [wk(4)], xmm1 ; wk(4)=ROL*FIX(0.299)+GOL*FIX(0.337)
+ movdqa XMMWORD [wk(5)], xmm6 ; wk(5)=ROH*FIX(0.299)+GOH*FIX(0.337)
+
+ pxor xmm1, xmm1
+ pxor xmm6, xmm6
+ punpcklwd xmm1, xmm5 ; xmm1=BOL
+ punpckhwd xmm6, xmm5 ; xmm6=BOH
+ psrld xmm1, 1 ; xmm1=BOL*FIX(0.500)
+ psrld xmm6, 1 ; xmm6=BOH*FIX(0.500)
+
+ movdqa xmm5, [rel PD_ONEHALFM1_CJ] ; xmm5=[PD_ONEHALFM1_CJ]
+
+ paddd xmm7, xmm1
+ paddd xmm4, xmm6
+ paddd xmm7, xmm5
+ paddd xmm4, xmm5
+ psrld xmm7, SCALEBITS ; xmm7=CbOL
+ psrld xmm4, SCALEBITS ; xmm4=CbOH
+ packssdw xmm7, xmm4 ; xmm7=CbO
+
+ movdqa xmm1, XMMWORD [wk(2)] ; xmm1=BE
+
+ movdqa xmm6, xmm0
+ punpcklwd xmm0, xmm2
+ punpckhwd xmm6, xmm2
+ movdqa xmm5, xmm0
+ movdqa xmm4, xmm6
+ pmaddwd xmm0, [rel PW_F0299_F0337] ; xmm0=REL*FIX(0.299)+GEL*FIX(0.337)
+ pmaddwd xmm6, [rel PW_F0299_F0337] ; xmm6=REH*FIX(0.299)+GEH*FIX(0.337)
+ pmaddwd xmm5, [rel PW_MF016_MF033] ; xmm5=REL*-FIX(0.168)+GEL*-FIX(0.331)
+ pmaddwd xmm4, [rel PW_MF016_MF033] ; xmm4=REH*-FIX(0.168)+GEH*-FIX(0.331)
+
+ movdqa XMMWORD [wk(6)], xmm0 ; wk(6)=REL*FIX(0.299)+GEL*FIX(0.337)
+ movdqa XMMWORD [wk(7)], xmm6 ; wk(7)=REH*FIX(0.299)+GEH*FIX(0.337)
+
+ pxor xmm0, xmm0
+ pxor xmm6, xmm6
+ punpcklwd xmm0, xmm1 ; xmm0=BEL
+ punpckhwd xmm6, xmm1 ; xmm6=BEH
+ psrld xmm0, 1 ; xmm0=BEL*FIX(0.500)
+ psrld xmm6, 1 ; xmm6=BEH*FIX(0.500)
+
+ movdqa xmm1, [rel PD_ONEHALFM1_CJ] ; xmm1=[PD_ONEHALFM1_CJ]
+
+ paddd xmm5, xmm0
+ paddd xmm4, xmm6
+ paddd xmm5, xmm1
+ paddd xmm4, xmm1
+ psrld xmm5, SCALEBITS ; xmm5=CbEL
+ psrld xmm4, SCALEBITS ; xmm4=CbEH
+ packssdw xmm5, xmm4 ; xmm5=CbE
+
+ psllw xmm7, BYTE_BIT
+ por xmm5, xmm7 ; xmm5=Cb
+ movdqa XMMWORD [rbx], xmm5 ; Save Cb
+
+ movdqa xmm0, XMMWORD [wk(3)] ; xmm0=BO
+ movdqa xmm6, XMMWORD [wk(2)] ; xmm6=BE
+ movdqa xmm1, XMMWORD [wk(1)] ; xmm1=RO
+
+ movdqa xmm4, xmm0
+ punpcklwd xmm0, xmm3
+ punpckhwd xmm4, xmm3
+ movdqa xmm7, xmm0
+ movdqa xmm5, xmm4
+ pmaddwd xmm0, [rel PW_F0114_F0250] ; xmm0=BOL*FIX(0.114)+GOL*FIX(0.250)
+ pmaddwd xmm4, [rel PW_F0114_F0250] ; xmm4=BOH*FIX(0.114)+GOH*FIX(0.250)
+ pmaddwd xmm7, [rel PW_MF008_MF041] ; xmm7=BOL*-FIX(0.081)+GOL*-FIX(0.418)
+ pmaddwd xmm5, [rel PW_MF008_MF041] ; xmm5=BOH*-FIX(0.081)+GOH*-FIX(0.418)
+
+ movdqa xmm3, [rel PD_ONEHALF] ; xmm3=[PD_ONEHALF]
+
+ paddd xmm0, XMMWORD [wk(4)]
+ paddd xmm4, XMMWORD [wk(5)]
+ paddd xmm0, xmm3
+ paddd xmm4, xmm3
+ psrld xmm0, SCALEBITS ; xmm0=YOL
+ psrld xmm4, SCALEBITS ; xmm4=YOH
+ packssdw xmm0, xmm4 ; xmm0=YO
+
+ pxor xmm3, xmm3
+ pxor xmm4, xmm4
+ punpcklwd xmm3, xmm1 ; xmm3=ROL
+ punpckhwd xmm4, xmm1 ; xmm4=ROH
+ psrld xmm3, 1 ; xmm3=ROL*FIX(0.500)
+ psrld xmm4, 1 ; xmm4=ROH*FIX(0.500)
+
+ movdqa xmm1, [rel PD_ONEHALFM1_CJ] ; xmm1=[PD_ONEHALFM1_CJ]
+
+ paddd xmm7, xmm3
+ paddd xmm5, xmm4
+ paddd xmm7, xmm1
+ paddd xmm5, xmm1
+ psrld xmm7, SCALEBITS ; xmm7=CrOL
+ psrld xmm5, SCALEBITS ; xmm5=CrOH
+ packssdw xmm7, xmm5 ; xmm7=CrO
+
+ movdqa xmm3, XMMWORD [wk(0)] ; xmm3=RE
+
+ movdqa xmm4, xmm6
+ punpcklwd xmm6, xmm2
+ punpckhwd xmm4, xmm2
+ movdqa xmm1, xmm6
+ movdqa xmm5, xmm4
+ pmaddwd xmm6, [rel PW_F0114_F0250] ; xmm6=BEL*FIX(0.114)+GEL*FIX(0.250)
+ pmaddwd xmm4, [rel PW_F0114_F0250] ; xmm4=BEH*FIX(0.114)+GEH*FIX(0.250)
+ pmaddwd xmm1, [rel PW_MF008_MF041] ; xmm1=BEL*-FIX(0.081)+GEL*-FIX(0.418)
+ pmaddwd xmm5, [rel PW_MF008_MF041] ; xmm5=BEH*-FIX(0.081)+GEH*-FIX(0.418)
+
+ movdqa xmm2, [rel PD_ONEHALF] ; xmm2=[PD_ONEHALF]
+
+ paddd xmm6, XMMWORD [wk(6)]
+ paddd xmm4, XMMWORD [wk(7)]
+ paddd xmm6, xmm2
+ paddd xmm4, xmm2
+ psrld xmm6, SCALEBITS ; xmm6=YEL
+ psrld xmm4, SCALEBITS ; xmm4=YEH
+ packssdw xmm6, xmm4 ; xmm6=YE
+
+ psllw xmm0, BYTE_BIT
+ por xmm6, xmm0 ; xmm6=Y
+ movdqa XMMWORD [rdi], xmm6 ; Save Y
+
+ pxor xmm2, xmm2
+ pxor xmm4, xmm4
+ punpcklwd xmm2, xmm3 ; xmm2=REL
+ punpckhwd xmm4, xmm3 ; xmm4=REH
+ psrld xmm2, 1 ; xmm2=REL*FIX(0.500)
+ psrld xmm4, 1 ; xmm4=REH*FIX(0.500)
+
+ movdqa xmm0, [rel PD_ONEHALFM1_CJ] ; xmm0=[PD_ONEHALFM1_CJ]
+
+ paddd xmm1, xmm2
+ paddd xmm5, xmm4
+ paddd xmm1, xmm0
+ paddd xmm5, xmm0
+ psrld xmm1, SCALEBITS ; xmm1=CrEL
+ psrld xmm5, SCALEBITS ; xmm5=CrEH
+ packssdw xmm1, xmm5 ; xmm1=CrE
+
+ psllw xmm7, BYTE_BIT
+ por xmm1, xmm7 ; xmm1=Cr
+ movdqa XMMWORD [rdx], xmm1 ; Save Cr
+
+ sub rcx, byte SIZEOF_XMMWORD
+ add rsi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; inptr
+ add rdi, byte SIZEOF_XMMWORD ; outptr0
+ add rbx, byte SIZEOF_XMMWORD ; outptr1
+ add rdx, byte SIZEOF_XMMWORD ; outptr2
+ cmp rcx, byte SIZEOF_XMMWORD
+ jae near .columnloop
+ test rcx, rcx
+ jnz near .column_ld1
+
+ pop rcx ; col
+ pop rsi
+ pop rdi
+ pop rbx
+ pop rdx
+
+ add rsi, byte SIZEOF_JSAMPROW ; input_buf
+ add rdi, byte SIZEOF_JSAMPROW
+ add rbx, byte SIZEOF_JSAMPROW
+ add rdx, byte SIZEOF_JSAMPROW
+ dec rax ; num_rows
+ jg near .rowloop
+
+.return:
+ pop rbx
+ uncollect_args 5
+ mov rsp, rbp ; rsp <- aligned rbp
+ pop rsp ; rsp <- original rbp
+ 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
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-09 16:26:57 +0000