diff --git a/common/jpeg/simd/jccolss2-64.asm b/common/jpeg/simd/jccolss2-64.asm
new file mode 100644
index 0000000..a419d1b
--- /dev/null
+++ b/common/jpeg/simd/jccolss2-64.asm
@@ -0,0 +1,117 @@
+;
+; jccolss2.asm - colorspace conversion (64-bit SSE2)
+;
+; x86 SIMD extension for IJG JPEG library
+; Copyright (C) 1999-2006, MIYASAKA Masaru.
+; Copyright (C) 2009, D. R. Commander.
+; 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 "jsimdext.inc"
+
+; --------------------------------------------------------------------------
+
+%define SCALEBITS	16
+
+F_0_081	equ	 5329			; FIX(0.08131)
+F_0_114	equ	 7471			; FIX(0.11400)
+F_0_168	equ	11059			; FIX(0.16874)
+F_0_250	equ	16384			; FIX(0.25000)
+F_0_299	equ	19595			; FIX(0.29900)
+F_0_331	equ	21709			; FIX(0.33126)
+F_0_418	equ	27439			; FIX(0.41869)
+F_0_587	equ	38470			; FIX(0.58700)
+F_0_337	equ	(F_0_587 - F_0_250)	; FIX(0.58700) - FIX(0.25000)
+
+; --------------------------------------------------------------------------
+	SECTION	SEG_CONST
+
+	alignz	16
+	global	EXTN(jconst_rgb_ycc_convert_sse2)
+
+EXTN(jconst_rgb_ycc_convert_sse2):
+
+PW_F0299_F0337	times 4 dw  F_0_299, F_0_337
+PW_F0114_F0250	times 4 dw  F_0_114, F_0_250
+PW_MF016_MF033	times 4 dw -F_0_168,-F_0_331
+PW_MF008_MF041	times 4 dw -F_0_081,-F_0_418
+PD_ONEHALFM1_CJ	times 4 dd  (1 << (SCALEBITS-1)) - 1 + (CENTERJSAMPLE << SCALEBITS)
+PD_ONEHALF	times 4 dd  (1 << (SCALEBITS-1))
+
+	alignz	16
+
+; --------------------------------------------------------------------------
+%include "jcclrss2-64.asm"
+
+%undef RGB_RED
+%undef RGB_GREEN
+%undef RGB_BLUE
+%undef RGB_PIXELSIZE
+%define RGB_RED 0
+%define RGB_GREEN 1
+%define RGB_BLUE 2
+%define RGB_PIXELSIZE 3
+%define jsimd_rgb_ycc_convert_sse2 jsimd_extrgb_ycc_convert_sse2
+%include "jcclrss2-64.asm"
+
+%undef RGB_RED
+%undef RGB_GREEN
+%undef RGB_BLUE
+%undef RGB_PIXELSIZE
+%define RGB_RED 0
+%define RGB_GREEN 1
+%define RGB_BLUE 2
+%define RGB_PIXELSIZE 4
+%define jsimd_rgb_ycc_convert_sse2 jsimd_extrgbx_ycc_convert_sse2
+%include "jcclrss2-64.asm"
+
+%undef RGB_RED
+%undef RGB_GREEN
+%undef RGB_BLUE
+%undef RGB_PIXELSIZE
+%define RGB_RED 2
+%define RGB_GREEN 1
+%define RGB_BLUE 0
+%define RGB_PIXELSIZE 3
+%define jsimd_rgb_ycc_convert_sse2 jsimd_extbgr_ycc_convert_sse2
+%include "jcclrss2-64.asm"
+
+%undef RGB_RED
+%undef RGB_GREEN
+%undef RGB_BLUE
+%undef RGB_PIXELSIZE
+%define RGB_RED 2
+%define RGB_GREEN 1
+%define RGB_BLUE 0
+%define RGB_PIXELSIZE 4
+%define jsimd_rgb_ycc_convert_sse2 jsimd_extbgrx_ycc_convert_sse2
+%include "jcclrss2-64.asm"
+
+%undef RGB_RED
+%undef RGB_GREEN
+%undef RGB_BLUE
+%undef RGB_PIXELSIZE
+%define RGB_RED 3
+%define RGB_GREEN 2
+%define RGB_BLUE 1
+%define RGB_PIXELSIZE 4
+%define jsimd_rgb_ycc_convert_sse2 jsimd_extxbgr_ycc_convert_sse2
+%include "jcclrss2-64.asm"
+
+%undef RGB_RED
+%undef RGB_GREEN
+%undef RGB_BLUE
+%undef RGB_PIXELSIZE
+%define RGB_RED 1
+%define RGB_GREEN 2
+%define RGB_BLUE 3
+%define RGB_PIXELSIZE 4
+%define jsimd_rgb_ycc_convert_sse2 jsimd_extxrgb_ycc_convert_sse2
+%include "jcclrss2-64.asm"