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cnq3/code/libjpeg-turbo/simd/jdmrgext-sse2-64.asm
arQon fc9465caab switch from jpeg6 to jpeg-turbo 
aside from the speed improvements, this also makes for nicer code
in the renderer interaction with libjpeg, thanks to mem_dest support etc
2017-01-03 00:34:59 -08:00

537 lines
20 KiB
NASM
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;
; jdmrgext.asm - merged upsampling/color conversion (64-bit SSE2)
;
; Copyright 2009, 2012 Pierre Ossman <ossman@cendio.se> for Cendio AB
; Copyright (C) 2009, 2012, 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"
; --------------------------------------------------------------------------
;
; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical.
;
; GLOBAL(void)
; jsimd_h2v1_merged_upsample_sse2 (JDIMENSION output_width,
; JSAMPIMAGE input_buf,
; JDIMENSION in_row_group_ctr,
; JSAMPARRAY output_buf);
;
; r10 = JDIMENSION output_width
; r11 = JSAMPIMAGE input_buf
; r12 = JDIMENSION in_row_group_ctr
; r13 = JSAMPARRAY output_buf
%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM]
%define WK_NUM 3
align 16
global EXTN(jsimd_h2v1_merged_upsample_sse2)
EXTN(jsimd_h2v1_merged_upsample_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
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:
movdqa xmm6, XMMWORD [rbx] ; xmm6=Cb(0123456789ABCDEF)
movdqa xmm7, XMMWORD [rdx] ; xmm7=Cr(0123456789ABCDEF)
pxor xmm1,xmm1 ; xmm1=(all 0's)
pcmpeqw xmm3,xmm3
psllw xmm3,7 ; xmm3={0xFF80 0xFF80 0xFF80 0xFF80 ..}
movdqa xmm4,xmm6
punpckhbw xmm6,xmm1 ; xmm6=Cb(89ABCDEF)=CbH
punpcklbw xmm4,xmm1 ; xmm4=Cb(01234567)=CbL
movdqa xmm0,xmm7
punpckhbw xmm7,xmm1 ; xmm7=Cr(89ABCDEF)=CrH
punpcklbw xmm0,xmm1 ; xmm0=Cr(01234567)=CrL
paddw xmm6,xmm3
paddw xmm4,xmm3
paddw xmm7,xmm3
paddw xmm0,xmm3
; (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
movdqa xmm5,xmm6 ; xmm5=CbH
movdqa xmm2,xmm4 ; xmm2=CbL
paddw xmm6,xmm6 ; xmm6=2*CbH
paddw xmm4,xmm4 ; xmm4=2*CbL
movdqa xmm1,xmm7 ; xmm1=CrH
movdqa xmm3,xmm0 ; xmm3=CrL
paddw xmm7,xmm7 ; xmm7=2*CrH
paddw xmm0,xmm0 ; xmm0=2*CrL
pmulhw xmm6,[rel PW_MF0228] ; xmm6=(2*CbH * -FIX(0.22800))
pmulhw xmm4,[rel PW_MF0228] ; xmm4=(2*CbL * -FIX(0.22800))
pmulhw xmm7,[rel PW_F0402] ; xmm7=(2*CrH * FIX(0.40200))
pmulhw xmm0,[rel PW_F0402] ; xmm0=(2*CrL * FIX(0.40200))
paddw xmm6,[rel PW_ONE]
paddw xmm4,[rel PW_ONE]
psraw xmm6,1 ; xmm6=(CbH * -FIX(0.22800))
psraw xmm4,1 ; xmm4=(CbL * -FIX(0.22800))
paddw xmm7,[rel PW_ONE]
paddw xmm0,[rel PW_ONE]
psraw xmm7,1 ; xmm7=(CrH * FIX(0.40200))
psraw xmm0,1 ; xmm0=(CrL * FIX(0.40200))
paddw xmm6,xmm5
paddw xmm4,xmm2
paddw xmm6,xmm5 ; xmm6=(CbH * FIX(1.77200))=(B-Y)H
paddw xmm4,xmm2 ; xmm4=(CbL * FIX(1.77200))=(B-Y)L
paddw xmm7,xmm1 ; xmm7=(CrH * FIX(1.40200))=(R-Y)H
paddw xmm0,xmm3 ; xmm0=(CrL * FIX(1.40200))=(R-Y)L
movdqa XMMWORD [wk(0)], xmm6 ; wk(0)=(B-Y)H
movdqa XMMWORD [wk(1)], xmm7 ; wk(1)=(R-Y)H
movdqa xmm6,xmm5
movdqa xmm7,xmm2
punpcklwd xmm5,xmm1
punpckhwd xmm6,xmm1
pmaddwd xmm5,[rel PW_MF0344_F0285]
pmaddwd xmm6,[rel PW_MF0344_F0285]
punpcklwd xmm2,xmm3
punpckhwd xmm7,xmm3
pmaddwd xmm2,[rel PW_MF0344_F0285]
pmaddwd xmm7,[rel PW_MF0344_F0285]
paddd xmm5,[rel PD_ONEHALF]
paddd xmm6,[rel PD_ONEHALF]
psrad xmm5,SCALEBITS
psrad xmm6,SCALEBITS
paddd xmm2,[rel PD_ONEHALF]
paddd xmm7,[rel PD_ONEHALF]
psrad xmm2,SCALEBITS
psrad xmm7,SCALEBITS
packssdw xmm5,xmm6 ; xmm5=CbH*-FIX(0.344)+CrH*FIX(0.285)
packssdw xmm2,xmm7 ; xmm2=CbL*-FIX(0.344)+CrL*FIX(0.285)
psubw xmm5,xmm1 ; xmm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H
psubw xmm2,xmm3 ; xmm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L
movdqa XMMWORD [wk(2)], xmm5 ; wk(2)=(G-Y)H
mov al,2 ; Yctr
jmp short .Yloop_1st
.Yloop_2nd:
movdqa xmm0, XMMWORD [wk(1)] ; xmm0=(R-Y)H
movdqa xmm2, XMMWORD [wk(2)] ; xmm2=(G-Y)H
movdqa xmm4, XMMWORD [wk(0)] ; xmm4=(B-Y)H
.Yloop_1st:
movdqa xmm7, XMMWORD [rsi] ; xmm7=Y(0123456789ABCDEF)
pcmpeqw xmm6,xmm6
psrlw xmm6,BYTE_BIT ; xmm6={0xFF 0x00 0xFF 0x00 ..}
pand xmm6,xmm7 ; xmm6=Y(02468ACE)=YE
psrlw xmm7,BYTE_BIT ; xmm7=Y(13579BDF)=YO
movdqa xmm1,xmm0 ; xmm1=xmm0=(R-Y)(L/H)
movdqa xmm3,xmm2 ; xmm3=xmm2=(G-Y)(L/H)
movdqa xmm5,xmm4 ; xmm5=xmm4=(B-Y)(L/H)
paddw xmm0,xmm6 ; xmm0=((R-Y)+YE)=RE=R(02468ACE)
paddw xmm1,xmm7 ; xmm1=((R-Y)+YO)=RO=R(13579BDF)
packuswb xmm0,xmm0 ; xmm0=R(02468ACE********)
packuswb xmm1,xmm1 ; xmm1=R(13579BDF********)
paddw xmm2,xmm6 ; xmm2=((G-Y)+YE)=GE=G(02468ACE)
paddw xmm3,xmm7 ; xmm3=((G-Y)+YO)=GO=G(13579BDF)
packuswb xmm2,xmm2 ; xmm2=G(02468ACE********)
packuswb xmm3,xmm3 ; xmm3=G(13579BDF********)
paddw xmm4,xmm6 ; xmm4=((B-Y)+YE)=BE=B(02468ACE)
paddw xmm5,xmm7 ; xmm5=((B-Y)+YO)=BO=B(13579BDF)
packuswb xmm4,xmm4 ; xmm4=B(02468ACE********)
packuswb xmm5,xmm5 ; xmm5=B(13579BDF********)
%if RGB_PIXELSIZE == 3 ; ---------------
; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **)
; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **)
; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **)
; xmmG=(** ** ** ** ** ** ** ** **), xmmH=(** ** ** ** ** ** ** ** **)
punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E)
punpcklbw xmmE,xmmB ; xmmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F)
punpcklbw xmmD,xmmF ; xmmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F)
movdqa xmmG,xmmA
movdqa xmmH,xmmA
punpcklwd xmmA,xmmE ; xmmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07)
punpckhwd xmmG,xmmE ; xmmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F)
psrldq xmmH,2 ; xmmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E -- --)
psrldq xmmE,2 ; xmmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F -- --)
movdqa xmmC,xmmD
movdqa xmmB,xmmD
punpcklwd xmmD,xmmH ; xmmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18)
punpckhwd xmmC,xmmH ; xmmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F -- --)
psrldq xmmB,2 ; xmmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F -- --)
movdqa xmmF,xmmE
punpcklwd xmmE,xmmB ; xmmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29)
punpckhwd xmmF,xmmB ; xmmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F -- -- -- --)
pshufd xmmH,xmmA,0x4E; xmmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03)
movdqa xmmB,xmmE
punpckldq xmmA,xmmD ; xmmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14)
punpckldq xmmE,xmmH ; xmmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07)
punpckhdq xmmD,xmmB ; xmmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29)
pshufd xmmH,xmmG,0x4E; xmmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B)
movdqa xmmB,xmmF
punpckldq xmmG,xmmC ; xmmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C)
punpckldq xmmF,xmmH ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F)
punpckhdq xmmC,xmmB ; xmmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F -- -- -- -- -- --)
punpcklqdq xmmA,xmmE ; xmmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05)
punpcklqdq xmmD,xmmG ; xmmD=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A)
punpcklqdq xmmF,xmmC ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F)
cmp rcx, byte SIZEOF_XMMWORD
jb short .column_st32
test rdi, SIZEOF_XMMWORD-1
jnz short .out1
; --(aligned)-------------------
movntdq XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA
movntdq XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD
movntdq XMMWORD [rdi+2*SIZEOF_XMMWORD], xmmF
jmp short .out0
.out1: ; --(unaligned)-----------------
movdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA
movdqu XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD
movdqu XMMWORD [rdi+2*SIZEOF_XMMWORD], xmmF
.out0:
add rdi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr
sub rcx, byte SIZEOF_XMMWORD
jz near .endcolumn
add rsi, byte SIZEOF_XMMWORD ; inptr0
dec al ; Yctr
jnz near .Yloop_2nd
add rbx, byte SIZEOF_XMMWORD ; inptr1
add rdx, byte SIZEOF_XMMWORD ; inptr2
jmp near .columnloop
.column_st32:
lea rcx, [rcx+rcx*2] ; imul ecx, RGB_PIXELSIZE
cmp rcx, byte 2*SIZEOF_XMMWORD
jb short .column_st16
movdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA
movdqu XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD
add rdi, byte 2*SIZEOF_XMMWORD ; outptr
movdqa xmmA,xmmF
sub rcx, byte 2*SIZEOF_XMMWORD
jmp short .column_st15
.column_st16:
cmp rcx, byte SIZEOF_XMMWORD
jb short .column_st15
movdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA
add rdi, byte SIZEOF_XMMWORD ; outptr
movdqa xmmA,xmmD
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
movq XMM_MMWORD [rdi], xmmA
add rdi, byte SIZEOF_MMWORD
sub rcx, byte SIZEOF_MMWORD
psrldq 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
movd XMM_DWORD [rdi], xmmA
add rdi, byte SIZEOF_DWORD
sub rcx, byte SIZEOF_DWORD
psrldq xmmA, SIZEOF_DWORD
.column_st3:
; Store the lower 2 bytes of rax to the output when it has enough
; space.
movd 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
pcmpeqb xmm6,xmm6 ; xmm6=XE=X(02468ACE********)
pcmpeqb xmm7,xmm7 ; xmm7=XO=X(13579BDF********)
%else
pxor xmm6,xmm6 ; xmm6=XE=X(02468ACE********)
pxor xmm7,xmm7 ; xmm7=XO=X(13579BDF********)
%endif
; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **)
; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **)
; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **)
; xmmG=(30 32 34 36 38 3A 3C 3E **), xmmH=(31 33 35 37 39 3B 3D 3F **)
punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E)
punpcklbw xmmE,xmmG ; xmmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E)
punpcklbw xmmB,xmmD ; xmmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F)
punpcklbw xmmF,xmmH ; xmmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F)
movdqa xmmC,xmmA
punpcklwd xmmA,xmmE ; xmmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36)
punpckhwd xmmC,xmmE ; xmmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E)
movdqa xmmG,xmmB
punpcklwd xmmB,xmmF ; xmmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37)
punpckhwd xmmG,xmmF ; xmmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F)
movdqa xmmD,xmmA
punpckldq xmmA,xmmB ; xmmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33)
punpckhdq xmmD,xmmB ; xmmD=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37)
movdqa xmmH,xmmC
punpckldq xmmC,xmmG ; xmmC=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B)
punpckhdq xmmH,xmmG ; xmmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F)
cmp rcx, byte SIZEOF_XMMWORD
jb short .column_st32
test rdi, SIZEOF_XMMWORD-1
jnz short .out1
; --(aligned)-------------------
movntdq XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA
movntdq XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD
movntdq XMMWORD [rdi+2*SIZEOF_XMMWORD], xmmC
movntdq XMMWORD [rdi+3*SIZEOF_XMMWORD], xmmH
jmp short .out0
.out1: ; --(unaligned)-----------------
movdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA
movdqu XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD
movdqu XMMWORD [rdi+2*SIZEOF_XMMWORD], xmmC
movdqu XMMWORD [rdi+3*SIZEOF_XMMWORD], xmmH
.out0:
add rdi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr
sub rcx, byte SIZEOF_XMMWORD
jz near .endcolumn
add rsi, byte SIZEOF_XMMWORD ; inptr0
dec al ; Yctr
jnz near .Yloop_2nd
add rbx, byte SIZEOF_XMMWORD ; inptr1
add rdx, byte SIZEOF_XMMWORD ; inptr2
jmp near .columnloop
.column_st32:
cmp rcx, byte SIZEOF_XMMWORD/2
jb short .column_st16
movdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA
movdqu XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD
add rdi, byte 2*SIZEOF_XMMWORD ; outptr
movdqa xmmA,xmmC
movdqa xmmD,xmmH
sub rcx, byte SIZEOF_XMMWORD/2
.column_st16:
cmp rcx, byte SIZEOF_XMMWORD/4
jb short .column_st15
movdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA
add rdi, byte SIZEOF_XMMWORD ; outptr
movdqa xmmA,xmmD
sub rcx, byte SIZEOF_XMMWORD/4
.column_st15:
; Store two pixels (8 bytes) of xmmA to the output when it has enough
; space.
cmp rcx, byte SIZEOF_XMMWORD/8
jb short .column_st7
movq XMM_MMWORD [rdi], xmmA
add rdi, byte SIZEOF_XMMWORD/8*4
sub rcx, byte SIZEOF_XMMWORD/8
psrldq xmmA, SIZEOF_XMMWORD/8*4
.column_st7:
; Store one pixel (4 bytes) of xmmA to the output when it has enough
; space.
test rcx, rcx
jz short .endcolumn
movd XMM_DWORD [rdi], xmmA
%endif ; RGB_PIXELSIZE ; ---------------
.endcolumn:
sfence ; flush the write buffer
.return:
pop rbx
uncollect_args
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_sse2 (JDIMENSION output_width,
; JSAMPIMAGE input_buf,
; JDIMENSION in_row_group_ctr,
; JSAMPARRAY output_buf);
;
; r10 = JDIMENSION output_width
; r11 = JSAMPIMAGE input_buf
; r12 = JDIMENSION in_row_group_ctr
; r13 = JSAMPARRAY output_buf
align 16
global EXTN(jsimd_h2v2_merged_upsample_sse2)
EXTN(jsimd_h2v2_merged_upsample_sse2):
push rbp
mov rax,rsp
mov rbp,rsp
collect_args
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_sse2)
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_sse2)
pop rax
pop rcx
pop rdi
pop rsi
pop rbx
pop rdx
pop rbx
uncollect_args
pop rbp
ret
; For some reason, the OS X linker does not honor the request to align the
; segment unless we do this.
align 16
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