diff --git a/common/jpeg/simd/jfss2fst-64.asm b/common/jpeg/simd/jfss2fst-64.asm
new file mode 100644
index 0000000..9303156
--- /dev/null
+++ b/common/jpeg/simd/jfss2fst-64.asm
@@ -0,0 +1,388 @@
+;
+; jfss2fst.asm - fast integer FDCT (64-bit SSE2)
+;
+; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+; Copyright 2009 D. R. Commander
+;
+; Based on
+; 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
+;
+; This file contains a fast, not so accurate integer implementation of
+; the forward DCT (Discrete Cosine Transform). The following code is
+; based directly on the IJG's original jfdctfst.c; see the jfdctfst.c
+; for more details.
+;
+; [TAB8]
+
+%include "jsimdext.inc"
+%include "jdct.inc"
+
+; --------------------------------------------------------------------------
+
+%define CONST_BITS	8	; 14 is also OK.
+
+%if CONST_BITS == 8
+F_0_382	equ	 98		; FIX(0.382683433)
+F_0_541	equ	139		; FIX(0.541196100)
+F_0_707	equ	181		; FIX(0.707106781)
+F_1_306	equ	334		; FIX(1.306562965)
+%else
+; NASM cannot do compile-time arithmetic on floating-point constants.
+%define DESCALE(x,n)  (((x)+(1<<((n)-1)))>>(n))
+F_0_382	equ	DESCALE( 410903207,30-CONST_BITS)	; FIX(0.382683433)
+F_0_541	equ	DESCALE( 581104887,30-CONST_BITS)	; FIX(0.541196100)
+F_0_707	equ	DESCALE( 759250124,30-CONST_BITS)	; FIX(0.707106781)
+F_1_306	equ	DESCALE(1402911301,30-CONST_BITS)	; FIX(1.306562965)
+%endif
+
+; --------------------------------------------------------------------------
+	SECTION	SEG_CONST
+
+; PRE_MULTIPLY_SCALE_BITS <= 2 (to avoid overflow)
+; CONST_BITS + CONST_SHIFT + PRE_MULTIPLY_SCALE_BITS == 16 (for pmulhw)
+
+%define PRE_MULTIPLY_SCALE_BITS   2
+%define CONST_SHIFT     (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS)
+
+	alignz	16
+	global	EXTN(jconst_fdct_ifast_sse2)
+
+EXTN(jconst_fdct_ifast_sse2):
+
+PW_F0707	times 8 dw  F_0_707 << CONST_SHIFT
+PW_F0382	times 8 dw  F_0_382 << CONST_SHIFT
+PW_F0541	times 8 dw  F_0_541 << CONST_SHIFT
+PW_F1306	times 8 dw  F_1_306 << CONST_SHIFT
+
+	alignz	16
+
+; --------------------------------------------------------------------------
+	SECTION	SEG_TEXT
+	BITS	64
+;
+; Perform the forward DCT on one block of samples.
+;
+; GLOBAL(void)
+; jsimd_fdct_ifast_sse2 (DCTELEM * data)
+;
+
+; r10 = DCTELEM * data
+
+%define wk(i)		rbp-(WK_NUM-(i))*SIZEOF_XMMWORD	; xmmword wk[WK_NUM]
+%define WK_NUM		2
+
+	align	16
+	global	EXTN(jsimd_fdct_ifast_sse2)
+
+EXTN(jsimd_fdct_ifast_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
+
+	; ---- Pass 1: process rows.
+
+	mov	rdx, r10	; (DCTELEM *)
+
+	movdqa	xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_DCTELEM)]
+	movdqa	xmm1, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_DCTELEM)]
+	movdqa	xmm2, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_DCTELEM)]
+	movdqa	xmm3, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_DCTELEM)]
+
+	; xmm0=(00 01 02 03 04 05 06 07), xmm2=(20 21 22 23 24 25 26 27)
+	; xmm1=(10 11 12 13 14 15 16 17), xmm3=(30 31 32 33 34 35 36 37)
+
+	movdqa    xmm4,xmm0		; transpose coefficients(phase 1)
+	punpcklwd xmm0,xmm1		; xmm0=(00 10 01 11 02 12 03 13)
+	punpckhwd xmm4,xmm1		; xmm4=(04 14 05 15 06 16 07 17)
+	movdqa    xmm5,xmm2		; transpose coefficients(phase 1)
+	punpcklwd xmm2,xmm3		; xmm2=(20 30 21 31 22 32 23 33)
+	punpckhwd xmm5,xmm3		; xmm5=(24 34 25 35 26 36 27 37)
+
+	movdqa	xmm6, XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_DCTELEM)]
+	movdqa	xmm7, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_DCTELEM)]
+	movdqa	xmm1, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_DCTELEM)]
+	movdqa	xmm3, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_DCTELEM)]
+
+	; xmm6=( 4 12 20 28 36 44 52 60), xmm1=( 6 14 22 30 38 46 54 62)
+	; xmm7=( 5 13 21 29 37 45 53 61), xmm3=( 7 15 23 31 39 47 55 63)
+
+	movdqa	XMMWORD [wk(0)], xmm2	; wk(0)=(20 30 21 31 22 32 23 33)
+	movdqa	XMMWORD [wk(1)], xmm5	; wk(1)=(24 34 25 35 26 36 27 37)
+
+	movdqa    xmm2,xmm6		; transpose coefficients(phase 1)
+	punpcklwd xmm6,xmm7		; xmm6=(40 50 41 51 42 52 43 53)
+	punpckhwd xmm2,xmm7		; xmm2=(44 54 45 55 46 56 47 57)
+	movdqa    xmm5,xmm1		; transpose coefficients(phase 1)
+	punpcklwd xmm1,xmm3		; xmm1=(60 70 61 71 62 72 63 73)
+	punpckhwd xmm5,xmm3		; xmm5=(64 74 65 75 66 76 67 77)
+
+	movdqa    xmm7,xmm6		; transpose coefficients(phase 2)
+	punpckldq xmm6,xmm1		; xmm6=(40 50 60 70 41 51 61 71)
+	punpckhdq xmm7,xmm1		; xmm7=(42 52 62 72 43 53 63 73)
+	movdqa    xmm3,xmm2		; transpose coefficients(phase 2)
+	punpckldq xmm2,xmm5		; xmm2=(44 54 64 74 45 55 65 75)
+	punpckhdq xmm3,xmm5		; xmm3=(46 56 66 76 47 57 67 77)
+
+	movdqa	xmm1, XMMWORD [wk(0)]	; xmm1=(20 30 21 31 22 32 23 33)
+	movdqa	xmm5, XMMWORD [wk(1)]	; xmm5=(24 34 25 35 26 36 27 37)
+	movdqa	XMMWORD [wk(0)], xmm7	; wk(0)=(42 52 62 72 43 53 63 73)
+	movdqa	XMMWORD [wk(1)], xmm2	; wk(1)=(44 54 64 74 45 55 65 75)
+
+	movdqa    xmm7,xmm0		; transpose coefficients(phase 2)
+	punpckldq xmm0,xmm1		; xmm0=(00 10 20 30 01 11 21 31)
+	punpckhdq xmm7,xmm1		; xmm7=(02 12 22 32 03 13 23 33)
+	movdqa    xmm2,xmm4		; transpose coefficients(phase 2)
+	punpckldq xmm4,xmm5		; xmm4=(04 14 24 34 05 15 25 35)
+	punpckhdq xmm2,xmm5		; xmm2=(06 16 26 36 07 17 27 37)
+
+	movdqa     xmm1,xmm0		; transpose coefficients(phase 3)
+	punpcklqdq xmm0,xmm6		; xmm0=(00 10 20 30 40 50 60 70)=data0
+	punpckhqdq xmm1,xmm6		; xmm1=(01 11 21 31 41 51 61 71)=data1
+	movdqa     xmm5,xmm2		; transpose coefficients(phase 3)
+	punpcklqdq xmm2,xmm3		; xmm2=(06 16 26 36 46 56 66 76)=data6
+	punpckhqdq xmm5,xmm3		; xmm5=(07 17 27 37 47 57 67 77)=data7
+
+	movdqa	xmm6,xmm1
+	movdqa	xmm3,xmm0
+	psubw	xmm1,xmm2		; xmm1=data1-data6=tmp6
+	psubw	xmm0,xmm5		; xmm0=data0-data7=tmp7
+	paddw	xmm6,xmm2		; xmm6=data1+data6=tmp1
+	paddw	xmm3,xmm5		; xmm3=data0+data7=tmp0
+
+	movdqa	xmm2, XMMWORD [wk(0)]	; xmm2=(42 52 62 72 43 53 63 73)
+	movdqa	xmm5, XMMWORD [wk(1)]	; xmm5=(44 54 64 74 45 55 65 75)
+	movdqa	XMMWORD [wk(0)], xmm1	; wk(0)=tmp6
+	movdqa	XMMWORD [wk(1)], xmm0	; wk(1)=tmp7
+
+	movdqa     xmm1,xmm7		; transpose coefficients(phase 3)
+	punpcklqdq xmm7,xmm2		; xmm7=(02 12 22 32 42 52 62 72)=data2
+	punpckhqdq xmm1,xmm2		; xmm1=(03 13 23 33 43 53 63 73)=data3
+	movdqa     xmm0,xmm4		; transpose coefficients(phase 3)
+	punpcklqdq xmm4,xmm5		; xmm4=(04 14 24 34 44 54 64 74)=data4
+	punpckhqdq xmm0,xmm5		; xmm0=(05 15 25 35 45 55 65 75)=data5
+
+	movdqa	xmm2,xmm1
+	movdqa	xmm5,xmm7
+	paddw	xmm1,xmm4		; xmm1=data3+data4=tmp3
+	paddw	xmm7,xmm0		; xmm7=data2+data5=tmp2
+	psubw	xmm2,xmm4		; xmm2=data3-data4=tmp4
+	psubw	xmm5,xmm0		; xmm5=data2-data5=tmp5
+
+	; -- Even part
+
+	movdqa	xmm4,xmm3
+	movdqa	xmm0,xmm6
+	psubw	xmm3,xmm1		; xmm3=tmp13
+	psubw	xmm6,xmm7		; xmm6=tmp12
+	paddw	xmm4,xmm1		; xmm4=tmp10
+	paddw	xmm0,xmm7		; xmm0=tmp11
+
+	paddw	xmm6,xmm3
+	psllw	xmm6,PRE_MULTIPLY_SCALE_BITS
+	pmulhw	xmm6,[PW_F0707] ; xmm6=z1
+
+	movdqa	xmm1,xmm4
+	movdqa	xmm7,xmm3
+	psubw	xmm4,xmm0		; xmm4=data4
+	psubw	xmm3,xmm6		; xmm3=data6
+	paddw	xmm1,xmm0		; xmm1=data0
+	paddw	xmm7,xmm6		; xmm7=data2
+
+	movdqa	xmm0, XMMWORD [wk(0)]	; xmm0=tmp6
+	movdqa	xmm6, XMMWORD [wk(1)]	; xmm6=tmp7
+	movdqa	XMMWORD [wk(0)], xmm4	; wk(0)=data4
+	movdqa	XMMWORD [wk(1)], xmm3	; wk(1)=data6
+
+	; -- Odd part
+
+	paddw	xmm2,xmm5		; xmm2=tmp10
+	paddw	xmm5,xmm0		; xmm5=tmp11
+	paddw	xmm0,xmm6		; xmm0=tmp12, xmm6=tmp7
+
+	psllw	xmm2,PRE_MULTIPLY_SCALE_BITS
+	psllw	xmm0,PRE_MULTIPLY_SCALE_BITS
+
+	psllw	xmm5,PRE_MULTIPLY_SCALE_BITS
+	pmulhw	xmm5,[PW_F0707] ; xmm5=z3
+
+	movdqa	xmm4,xmm2		; xmm4=tmp10
+	psubw	xmm2,xmm0
+	pmulhw	xmm2,[PW_F0382] ; xmm2=z5
+	pmulhw	xmm4,[PW_F0541] ; xmm4=MULTIPLY(tmp10,FIX_0_541196)
+	pmulhw	xmm0,[PW_F1306] ; xmm0=MULTIPLY(tmp12,FIX_1_306562)
+	paddw	xmm4,xmm2		; xmm4=z2
+	paddw	xmm0,xmm2		; xmm0=z4
+
+	movdqa	xmm3,xmm6
+	psubw	xmm6,xmm5		; xmm6=z13
+	paddw	xmm3,xmm5		; xmm3=z11
+
+	movdqa	xmm2,xmm6
+	movdqa	xmm5,xmm3
+	psubw	xmm6,xmm4		; xmm6=data3
+	psubw	xmm3,xmm0		; xmm3=data7
+	paddw	xmm2,xmm4		; xmm2=data5
+	paddw	xmm5,xmm0		; xmm5=data1
+
+	; ---- Pass 2: process columns.
+
+	; xmm1=(00 10 20 30 40 50 60 70), xmm7=(02 12 22 32 42 52 62 72)
+	; xmm5=(01 11 21 31 41 51 61 71), xmm6=(03 13 23 33 43 53 63 73)
+
+	movdqa    xmm4,xmm1		; transpose coefficients(phase 1)
+	punpcklwd xmm1,xmm5		; xmm1=(00 01 10 11 20 21 30 31)
+	punpckhwd xmm4,xmm5		; xmm4=(40 41 50 51 60 61 70 71)
+	movdqa    xmm0,xmm7		; transpose coefficients(phase 1)
+	punpcklwd xmm7,xmm6		; xmm7=(02 03 12 13 22 23 32 33)
+	punpckhwd xmm0,xmm6		; xmm0=(42 43 52 53 62 63 72 73)
+
+	movdqa	xmm5, XMMWORD [wk(0)]	; xmm5=col4
+	movdqa	xmm6, XMMWORD [wk(1)]	; xmm6=col6
+
+	; xmm5=(04 14 24 34 44 54 64 74), xmm6=(06 16 26 36 46 56 66 76)
+	; xmm2=(05 15 25 35 45 55 65 75), xmm3=(07 17 27 37 47 57 67 77)
+
+	movdqa	XMMWORD [wk(0)], xmm7	; wk(0)=(02 03 12 13 22 23 32 33)
+	movdqa	XMMWORD [wk(1)], xmm0	; wk(1)=(42 43 52 53 62 63 72 73)
+
+	movdqa    xmm7,xmm5		; transpose coefficients(phase 1)
+	punpcklwd xmm5,xmm2		; xmm5=(04 05 14 15 24 25 34 35)
+	punpckhwd xmm7,xmm2		; xmm7=(44 45 54 55 64 65 74 75)
+	movdqa    xmm0,xmm6		; transpose coefficients(phase 1)
+	punpcklwd xmm6,xmm3		; xmm6=(06 07 16 17 26 27 36 37)
+	punpckhwd xmm0,xmm3		; xmm0=(46 47 56 57 66 67 76 77)
+
+	movdqa    xmm2,xmm5		; transpose coefficients(phase 2)
+	punpckldq xmm5,xmm6		; xmm5=(04 05 06 07 14 15 16 17)
+	punpckhdq xmm2,xmm6		; xmm2=(24 25 26 27 34 35 36 37)
+	movdqa    xmm3,xmm7		; transpose coefficients(phase 2)
+	punpckldq xmm7,xmm0		; xmm7=(44 45 46 47 54 55 56 57)
+	punpckhdq xmm3,xmm0		; xmm3=(64 65 66 67 74 75 76 77)
+
+	movdqa	xmm6, XMMWORD [wk(0)]	; xmm6=(02 03 12 13 22 23 32 33)
+	movdqa	xmm0, XMMWORD [wk(1)]	; xmm0=(42 43 52 53 62 63 72 73)
+	movdqa	XMMWORD [wk(0)], xmm2	; wk(0)=(24 25 26 27 34 35 36 37)
+	movdqa	XMMWORD [wk(1)], xmm7	; wk(1)=(44 45 46 47 54 55 56 57)
+
+	movdqa    xmm2,xmm1		; transpose coefficients(phase 2)
+	punpckldq xmm1,xmm6		; xmm1=(00 01 02 03 10 11 12 13)
+	punpckhdq xmm2,xmm6		; xmm2=(20 21 22 23 30 31 32 33)
+	movdqa    xmm7,xmm4		; transpose coefficients(phase 2)
+	punpckldq xmm4,xmm0		; xmm4=(40 41 42 43 50 51 52 53)
+	punpckhdq xmm7,xmm0		; xmm7=(60 61 62 63 70 71 72 73)
+
+	movdqa     xmm6,xmm1		; transpose coefficients(phase 3)
+	punpcklqdq xmm1,xmm5		; xmm1=(00 01 02 03 04 05 06 07)=data0
+	punpckhqdq xmm6,xmm5		; xmm6=(10 11 12 13 14 15 16 17)=data1
+	movdqa     xmm0,xmm7		; transpose coefficients(phase 3)
+	punpcklqdq xmm7,xmm3		; xmm7=(60 61 62 63 64 65 66 67)=data6
+	punpckhqdq xmm0,xmm3		; xmm0=(70 71 72 73 74 75 76 77)=data7
+
+	movdqa	xmm5,xmm6
+	movdqa	xmm3,xmm1
+	psubw	xmm6,xmm7		; xmm6=data1-data6=tmp6
+	psubw	xmm1,xmm0		; xmm1=data0-data7=tmp7
+	paddw	xmm5,xmm7		; xmm5=data1+data6=tmp1
+	paddw	xmm3,xmm0		; xmm3=data0+data7=tmp0
+
+	movdqa	xmm7, XMMWORD [wk(0)]	; xmm7=(24 25 26 27 34 35 36 37)
+	movdqa	xmm0, XMMWORD [wk(1)]	; xmm0=(44 45 46 47 54 55 56 57)
+	movdqa	XMMWORD [wk(0)], xmm6	; wk(0)=tmp6
+	movdqa	XMMWORD [wk(1)], xmm1	; wk(1)=tmp7
+
+	movdqa     xmm6,xmm2		; transpose coefficients(phase 3)
+	punpcklqdq xmm2,xmm7		; xmm2=(20 21 22 23 24 25 26 27)=data2
+	punpckhqdq xmm6,xmm7		; xmm6=(30 31 32 33 34 35 36 37)=data3
+	movdqa     xmm1,xmm4		; transpose coefficients(phase 3)
+	punpcklqdq xmm4,xmm0		; xmm4=(40 41 42 43 44 45 46 47)=data4
+	punpckhqdq xmm1,xmm0		; xmm1=(50 51 52 53 54 55 56 57)=data5
+
+	movdqa	xmm7,xmm6
+	movdqa	xmm0,xmm2
+	paddw	xmm6,xmm4		; xmm6=data3+data4=tmp3
+	paddw	xmm2,xmm1		; xmm2=data2+data5=tmp2
+	psubw	xmm7,xmm4		; xmm7=data3-data4=tmp4
+	psubw	xmm0,xmm1		; xmm0=data2-data5=tmp5
+
+	; -- Even part
+
+	movdqa	xmm4,xmm3
+	movdqa	xmm1,xmm5
+	psubw	xmm3,xmm6		; xmm3=tmp13
+	psubw	xmm5,xmm2		; xmm5=tmp12
+	paddw	xmm4,xmm6		; xmm4=tmp10
+	paddw	xmm1,xmm2		; xmm1=tmp11
+
+	paddw	xmm5,xmm3
+	psllw	xmm5,PRE_MULTIPLY_SCALE_BITS
+	pmulhw	xmm5,[PW_F0707] ; xmm5=z1
+
+	movdqa	xmm6,xmm4
+	movdqa	xmm2,xmm3
+	psubw	xmm4,xmm1		; xmm4=data4
+	psubw	xmm3,xmm5		; xmm3=data6
+	paddw	xmm6,xmm1		; xmm6=data0
+	paddw	xmm2,xmm5		; xmm2=data2
+
+	movdqa	XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_DCTELEM)], xmm4
+	movdqa	XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_DCTELEM)], xmm3
+	movdqa	XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_DCTELEM)], xmm6
+	movdqa	XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_DCTELEM)], xmm2
+
+	; -- Odd part
+
+	movdqa	xmm1, XMMWORD [wk(0)]	; xmm1=tmp6
+	movdqa	xmm5, XMMWORD [wk(1)]	; xmm5=tmp7
+
+	paddw	xmm7,xmm0		; xmm7=tmp10
+	paddw	xmm0,xmm1		; xmm0=tmp11
+	paddw	xmm1,xmm5		; xmm1=tmp12, xmm5=tmp7
+
+	psllw	xmm7,PRE_MULTIPLY_SCALE_BITS
+	psllw	xmm1,PRE_MULTIPLY_SCALE_BITS
+
+	psllw	xmm0,PRE_MULTIPLY_SCALE_BITS
+	pmulhw	xmm0,[PW_F0707] ; xmm0=z3
+
+	movdqa	xmm4,xmm7		; xmm4=tmp10
+	psubw	xmm7,xmm1
+	pmulhw	xmm7,[PW_F0382] ; xmm7=z5
+	pmulhw	xmm4,[PW_F0541] ; xmm4=MULTIPLY(tmp10,FIX_0_541196)
+	pmulhw	xmm1,[PW_F1306] ; xmm1=MULTIPLY(tmp12,FIX_1_306562)
+	paddw	xmm4,xmm7		; xmm4=z2
+	paddw	xmm1,xmm7		; xmm1=z4
+
+	movdqa	xmm3,xmm5
+	psubw	xmm5,xmm0		; xmm5=z13
+	paddw	xmm3,xmm0		; xmm3=z11
+
+	movdqa	xmm6,xmm5
+	movdqa	xmm2,xmm3
+	psubw	xmm5,xmm4		; xmm5=data3
+	psubw	xmm3,xmm1		; xmm3=data7
+	paddw	xmm6,xmm4		; xmm6=data5
+	paddw	xmm2,xmm1		; xmm2=data1
+
+	movdqa	XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_DCTELEM)], xmm5
+	movdqa	XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_DCTELEM)], xmm3
+	movdqa	XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_DCTELEM)], xmm6
+	movdqa	XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_DCTELEM)], xmm2
+
+	uncollect_args
+	mov	rsp,rbp		; rsp <- aligned rbp
+	pop	rsp		; rsp <- original rbp
+	pop	rbp
+	ret