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Diffstat (limited to 'media/libjpeg/simd/x86_64/jdcolext-sse2.asm')
-rw-r--r--media/libjpeg/simd/x86_64/jdcolext-sse2.asm439
1 files changed, 439 insertions, 0 deletions
diff --git a/media/libjpeg/simd/x86_64/jdcolext-sse2.asm b/media/libjpeg/simd/x86_64/jdcolext-sse2.asm
new file mode 100644
index 0000000000..e07c8d7518
--- /dev/null
+++ b/media/libjpeg/simd/x86_64/jdcolext-sse2.asm
@@ -0,0 +1,439 @@
+;
+; jdcolext.asm - colorspace conversion (64-bit SSE2)
+;
+; Copyright 2009, 2012 Pierre Ossman <ossman@cendio.se> for Cendio AB
+; Copyright (C) 2009, 2012, 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_ycc_rgb_convert_sse2(JDIMENSION out_width, JSAMPIMAGE input_buf,
+; JDIMENSION input_row, JSAMPARRAY output_buf,
+; int num_rows)
+;
+
+; r10d = JDIMENSION out_width
+; r11 = JSAMPIMAGE input_buf
+; r12d = JDIMENSION input_row
+; r13 = JSAMPARRAY output_buf
+; r14d = int num_rows
+
+%define wk(i) rbp - (WK_NUM - (i)) * SIZEOF_XMMWORD ; xmmword wk[WK_NUM]
+%define WK_NUM 2
+
+ align 32
+ GLOBAL_FUNCTION(jsimd_ycc_rgb_convert_sse2)
+
+EXTN(jsimd_ycc_rgb_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 ; num_cols
+ test rcx, rcx
+ jz near .return
+
+ push rcx
+
+ mov rdi, r11
+ mov ecx, r12d
+ mov rsip, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY]
+ mov rbxp, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY]
+ mov rdxp, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY]
+ lea rsi, [rsi+rcx*SIZEOF_JSAMPROW]
+ lea rbx, [rbx+rcx*SIZEOF_JSAMPROW]
+ lea rdx, [rdx+rcx*SIZEOF_JSAMPROW]
+
+ pop rcx
+
+ mov rdi, r13
+ mov eax, r14d
+ test rax, rax
+ jle near .return
+.rowloop:
+ push rax
+ push rdi
+ push rdx
+ push rbx
+ push rsi
+ push rcx ; col
+
+ mov rsip, JSAMPROW [rsi] ; inptr0
+ mov rbxp, JSAMPROW [rbx] ; inptr1
+ mov rdxp, JSAMPROW [rdx] ; inptr2
+ mov rdip, JSAMPROW [rdi] ; outptr
+.columnloop:
+
+ movdqa xmm5, XMMWORD [rbx] ; xmm5=Cb(0123456789ABCDEF)
+ movdqa xmm1, XMMWORD [rdx] ; xmm1=Cr(0123456789ABCDEF)
+
+ pcmpeqw xmm4, xmm4
+ pcmpeqw xmm7, xmm7
+ psrlw xmm4, BYTE_BIT
+ psllw xmm7, 7 ; xmm7={0xFF80 0xFF80 0xFF80 0xFF80 ..}
+ movdqa xmm0, xmm4 ; xmm0=xmm4={0xFF 0x00 0xFF 0x00 ..}
+
+ pand xmm4, xmm5 ; xmm4=Cb(02468ACE)=CbE
+ psrlw xmm5, BYTE_BIT ; xmm5=Cb(13579BDF)=CbO
+ pand xmm0, xmm1 ; xmm0=Cr(02468ACE)=CrE
+ psrlw xmm1, BYTE_BIT ; xmm1=Cr(13579BDF)=CrO
+
+ paddw xmm4, xmm7
+ paddw xmm5, xmm7
+ paddw xmm0, xmm7
+ paddw xmm1, xmm7
+
+ ; (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 xmm2, xmm4 ; xmm2=CbE
+ movdqa xmm3, xmm5 ; xmm3=CbO
+ paddw xmm4, xmm4 ; xmm4=2*CbE
+ paddw xmm5, xmm5 ; xmm5=2*CbO
+ movdqa xmm6, xmm0 ; xmm6=CrE
+ movdqa xmm7, xmm1 ; xmm7=CrO
+ paddw xmm0, xmm0 ; xmm0=2*CrE
+ paddw xmm1, xmm1 ; xmm1=2*CrO
+
+ pmulhw xmm4, [rel PW_MF0228] ; xmm4=(2*CbE * -FIX(0.22800))
+ pmulhw xmm5, [rel PW_MF0228] ; xmm5=(2*CbO * -FIX(0.22800))
+ pmulhw xmm0, [rel PW_F0402] ; xmm0=(2*CrE * FIX(0.40200))
+ pmulhw xmm1, [rel PW_F0402] ; xmm1=(2*CrO * FIX(0.40200))
+
+ paddw xmm4, [rel PW_ONE]
+ paddw xmm5, [rel PW_ONE]
+ psraw xmm4, 1 ; xmm4=(CbE * -FIX(0.22800))
+ psraw xmm5, 1 ; xmm5=(CbO * -FIX(0.22800))
+ paddw xmm0, [rel PW_ONE]
+ paddw xmm1, [rel PW_ONE]
+ psraw xmm0, 1 ; xmm0=(CrE * FIX(0.40200))
+ psraw xmm1, 1 ; xmm1=(CrO * FIX(0.40200))
+
+ paddw xmm4, xmm2
+ paddw xmm5, xmm3
+ paddw xmm4, xmm2 ; xmm4=(CbE * FIX(1.77200))=(B-Y)E
+ paddw xmm5, xmm3 ; xmm5=(CbO * FIX(1.77200))=(B-Y)O
+ paddw xmm0, xmm6 ; xmm0=(CrE * FIX(1.40200))=(R-Y)E
+ paddw xmm1, xmm7 ; xmm1=(CrO * FIX(1.40200))=(R-Y)O
+
+ movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=(B-Y)E
+ movdqa XMMWORD [wk(1)], xmm5 ; wk(1)=(B-Y)O
+
+ movdqa xmm4, xmm2
+ movdqa xmm5, xmm3
+ punpcklwd xmm2, xmm6
+ punpckhwd xmm4, xmm6
+ pmaddwd xmm2, [rel PW_MF0344_F0285]
+ pmaddwd xmm4, [rel PW_MF0344_F0285]
+ punpcklwd xmm3, xmm7
+ punpckhwd xmm5, xmm7
+ pmaddwd xmm3, [rel PW_MF0344_F0285]
+ pmaddwd xmm5, [rel PW_MF0344_F0285]
+
+ paddd xmm2, [rel PD_ONEHALF]
+ paddd xmm4, [rel PD_ONEHALF]
+ psrad xmm2, SCALEBITS
+ psrad xmm4, SCALEBITS
+ paddd xmm3, [rel PD_ONEHALF]
+ paddd xmm5, [rel PD_ONEHALF]
+ psrad xmm3, SCALEBITS
+ psrad xmm5, SCALEBITS
+
+ packssdw xmm2, xmm4 ; xmm2=CbE*-FIX(0.344)+CrE*FIX(0.285)
+ packssdw xmm3, xmm5 ; xmm3=CbO*-FIX(0.344)+CrO*FIX(0.285)
+ psubw xmm2, xmm6 ; xmm2=CbE*-FIX(0.344)+CrE*-FIX(0.714)=(G-Y)E
+ psubw xmm3, xmm7 ; xmm3=CbO*-FIX(0.344)+CrO*-FIX(0.714)=(G-Y)O
+
+ movdqa xmm5, XMMWORD [rsi] ; xmm5=Y(0123456789ABCDEF)
+
+ pcmpeqw xmm4, xmm4
+ psrlw xmm4, BYTE_BIT ; xmm4={0xFF 0x00 0xFF 0x00 ..}
+ pand xmm4, xmm5 ; xmm4=Y(02468ACE)=YE
+ psrlw xmm5, BYTE_BIT ; xmm5=Y(13579BDF)=YO
+
+ paddw xmm0, xmm4 ; xmm0=((R-Y)E+YE)=RE=R(02468ACE)
+ paddw xmm1, xmm5 ; xmm1=((R-Y)O+YO)=RO=R(13579BDF)
+ packuswb xmm0, xmm0 ; xmm0=R(02468ACE********)
+ packuswb xmm1, xmm1 ; xmm1=R(13579BDF********)
+
+ paddw xmm2, xmm4 ; xmm2=((G-Y)E+YE)=GE=G(02468ACE)
+ paddw xmm3, xmm5 ; xmm3=((G-Y)O+YO)=GO=G(13579BDF)
+ packuswb xmm2, xmm2 ; xmm2=G(02468ACE********)
+ packuswb xmm3, xmm3 ; xmm3=G(13579BDF********)
+
+ paddw xmm4, XMMWORD [wk(0)] ; xmm4=(YE+(B-Y)E)=BE=B(02468ACE)
+ paddw xmm5, XMMWORD [wk(1)] ; xmm5=(YO+(B-Y)O)=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 .nextrow
+
+ add rsi, byte SIZEOF_XMMWORD ; inptr0
+ 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 .nextrow
+ 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 .nextrow
+
+ add rsi, byte SIZEOF_XMMWORD ; inptr0
+ 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 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 .nextrow
+ movd XMM_DWORD [rdi], xmmA
+
+%endif ; RGB_PIXELSIZE ; ---------------
+
+.nextrow:
+ pop rcx
+ pop rsi
+ pop rbx
+ pop rdx
+ pop rdi
+ pop rax
+
+ add rsi, byte SIZEOF_JSAMPROW
+ add rbx, byte SIZEOF_JSAMPROW
+ add rdx, byte SIZEOF_JSAMPROW
+ add rdi, byte SIZEOF_JSAMPROW ; output_buf
+ dec rax ; num_rows
+ jg near .rowloop
+
+ sfence ; flush the write buffer
+
+.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 2.39.1) at 2024-11-30 03:21:42 +0000