diff --git a/common/jpeg/simd/jiss2flt-64.asm b/common/jpeg/simd/jiss2flt-64.asm
new file mode 100644
index 0000000..572909d
--- /dev/null
+++ b/common/jpeg/simd/jiss2flt-64.asm
@@ -0,0 +1,479 @@
+;
+; jiss2flt.asm - floating-point IDCT (64-bit SSE & 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 floating-point implementation of the inverse DCT
+; (Discrete Cosine Transform). The following code is based directly on
+; the IJG's original jidctflt.c; see the jidctflt.c for more details.
+;
+; [TAB8]
+
+%include "jsimdext.inc"
+%include "jdct.inc"
+
+; --------------------------------------------------------------------------
+
+%macro	unpcklps2 2	; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(0 1 4 5)
+	shufps	%1,%2,0x44
+%endmacro
+
+%macro	unpckhps2 2	; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(2 3 6 7)
+	shufps	%1,%2,0xEE
+%endmacro
+
+; --------------------------------------------------------------------------
+	SECTION	SEG_CONST
+
+	alignz	16
+	global	EXTN(jconst_idct_float_sse2)
+
+EXTN(jconst_idct_float_sse2):
+
+PD_1_414	times 4 dd  1.414213562373095048801689
+PD_1_847	times 4 dd  1.847759065022573512256366
+PD_1_082	times 4 dd  1.082392200292393968799446
+PD_M2_613	times 4 dd -2.613125929752753055713286
+PD_RNDINT_MAGIC	times 4 dd  100663296.0	; (float)(0x00C00000 << 3)
+PB_CENTERJSAMP	times 16 db CENTERJSAMPLE
+
+	alignz	16
+
+; --------------------------------------------------------------------------
+	SECTION	SEG_TEXT
+	BITS	64
+;
+; Perform dequantization and inverse DCT on one block of coefficients.
+;
+; GLOBAL(void)
+; jsimd_idct_float_sse2 (void * dct_table, JCOEFPTR coef_block,
+;                        JSAMPARRAY output_buf, JDIMENSION output_col)
+;
+
+; r10 = void * dct_table
+; r11 = JCOEFPTR coef_block
+; r12 = JSAMPARRAY output_buf
+; r13 = JDIMENSION output_col
+
+%define original_rbp	rbp+0
+%define wk(i)		rbp-(WK_NUM-(i))*SIZEOF_XMMWORD	; xmmword wk[WK_NUM]
+%define WK_NUM		2
+%define workspace	wk(0)-DCTSIZE2*SIZEOF_FAST_FLOAT
+					; FAST_FLOAT workspace[DCTSIZE2]
+
+	align	16
+	global	EXTN(jsimd_idct_float_sse2)
+
+EXTN(jsimd_idct_float_sse2):
+	push	rbp
+	mov	rax,rsp				; rax = original rbp
+	sub	rsp, byte 4
+	and	rsp, byte (-SIZEOF_XMMWORD)	; align to 128 bits
+	mov	[rsp],eax
+	mov	rbp,rsp				; rbp = aligned rbp
+	lea	rsp, [workspace]
+	push	rbx
+	collect_args
+
+	; ---- Pass 1: process columns from input, store into work array.
+
+	mov	rdx, r10	; quantptr
+	mov	rsi, r11		; inptr
+	lea	rdi, [workspace]			; FAST_FLOAT * wsptr
+	mov	rcx, DCTSIZE/4				; ctr
+.columnloop:
+%ifndef NO_ZERO_COLUMN_TEST_FLOAT_SSE
+	mov	eax, DWORD [DWBLOCK(1,0,rsi,SIZEOF_JCOEF)]
+	or	eax, DWORD [DWBLOCK(2,0,rsi,SIZEOF_JCOEF)]
+	jnz	near .columnDCT
+
+	movq	xmm1, XMM_MMWORD [MMBLOCK(1,0,rsi,SIZEOF_JCOEF)]
+	movq	xmm2, XMM_MMWORD [MMBLOCK(2,0,rsi,SIZEOF_JCOEF)]
+	movq	xmm3, XMM_MMWORD [MMBLOCK(3,0,rsi,SIZEOF_JCOEF)]
+	movq	xmm4, XMM_MMWORD [MMBLOCK(4,0,rsi,SIZEOF_JCOEF)]
+	movq	xmm5, XMM_MMWORD [MMBLOCK(5,0,rsi,SIZEOF_JCOEF)]
+	movq	xmm6, XMM_MMWORD [MMBLOCK(6,0,rsi,SIZEOF_JCOEF)]
+	movq	xmm7, XMM_MMWORD [MMBLOCK(7,0,rsi,SIZEOF_JCOEF)]
+	por	xmm1,xmm2
+	por	xmm3,xmm4
+	por	xmm5,xmm6
+	por	xmm1,xmm3
+	por	xmm5,xmm7
+	por	xmm1,xmm5
+	packsswb xmm1,xmm1
+	movd	eax,xmm1
+	test	rax,rax
+	jnz	short .columnDCT
+
+	; -- AC terms all zero
+
+	movq      xmm0, XMM_MMWORD [MMBLOCK(0,0,rsi,SIZEOF_JCOEF)]
+
+	punpcklwd xmm0,xmm0		; xmm0=(00 00 01 01 02 02 03 03)
+	psrad     xmm0,(DWORD_BIT-WORD_BIT)	; xmm0=in0=(00 01 02 03)
+	cvtdq2ps  xmm0,xmm0			; xmm0=in0=(00 01 02 03)
+
+	mulps	xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FLOAT_MULT_TYPE)]
+
+	movaps	xmm1,xmm0
+	movaps	xmm2,xmm0
+	movaps	xmm3,xmm0
+
+	shufps	xmm0,xmm0,0x00			; xmm0=(00 00 00 00)
+	shufps	xmm1,xmm1,0x55			; xmm1=(01 01 01 01)
+	shufps	xmm2,xmm2,0xAA			; xmm2=(02 02 02 02)
+	shufps	xmm3,xmm3,0xFF			; xmm3=(03 03 03 03)
+
+	movaps	XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_FAST_FLOAT)], xmm0
+	movaps	XMMWORD [XMMBLOCK(0,1,rdi,SIZEOF_FAST_FLOAT)], xmm0
+	movaps	XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_FAST_FLOAT)], xmm1
+	movaps	XMMWORD [XMMBLOCK(1,1,rdi,SIZEOF_FAST_FLOAT)], xmm1
+	movaps	XMMWORD [XMMBLOCK(2,0,rdi,SIZEOF_FAST_FLOAT)], xmm2
+	movaps	XMMWORD [XMMBLOCK(2,1,rdi,SIZEOF_FAST_FLOAT)], xmm2
+	movaps	XMMWORD [XMMBLOCK(3,0,rdi,SIZEOF_FAST_FLOAT)], xmm3
+	movaps	XMMWORD [XMMBLOCK(3,1,rdi,SIZEOF_FAST_FLOAT)], xmm3
+	jmp	near .nextcolumn
+%endif
+.columnDCT:
+
+	; -- Even part
+
+	movq      xmm0, XMM_MMWORD [MMBLOCK(0,0,rsi,SIZEOF_JCOEF)]
+	movq      xmm1, XMM_MMWORD [MMBLOCK(2,0,rsi,SIZEOF_JCOEF)]
+	movq      xmm2, XMM_MMWORD [MMBLOCK(4,0,rsi,SIZEOF_JCOEF)]
+	movq      xmm3, XMM_MMWORD [MMBLOCK(6,0,rsi,SIZEOF_JCOEF)]
+
+	punpcklwd xmm0,xmm0		; xmm0=(00 00 01 01 02 02 03 03)
+	punpcklwd xmm1,xmm1		; xmm1=(20 20 21 21 22 22 23 23)
+	psrad     xmm0,(DWORD_BIT-WORD_BIT)	; xmm0=in0=(00 01 02 03)
+	psrad     xmm1,(DWORD_BIT-WORD_BIT)	; xmm1=in2=(20 21 22 23)
+	cvtdq2ps  xmm0,xmm0			; xmm0=in0=(00 01 02 03)
+	cvtdq2ps  xmm1,xmm1			; xmm1=in2=(20 21 22 23)
+
+	punpcklwd xmm2,xmm2		; xmm2=(40 40 41 41 42 42 43 43)
+	punpcklwd xmm3,xmm3		; xmm3=(60 60 61 61 62 62 63 63)
+	psrad     xmm2,(DWORD_BIT-WORD_BIT)	; xmm2=in4=(40 41 42 43)
+	psrad     xmm3,(DWORD_BIT-WORD_BIT)	; xmm3=in6=(60 61 62 63)
+	cvtdq2ps  xmm2,xmm2			; xmm2=in4=(40 41 42 43)
+	cvtdq2ps  xmm3,xmm3			; xmm3=in6=(60 61 62 63)
+
+	mulps     xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FLOAT_MULT_TYPE)]
+	mulps     xmm1, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_FLOAT_MULT_TYPE)]
+	mulps     xmm2, XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_FLOAT_MULT_TYPE)]
+	mulps     xmm3, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_FLOAT_MULT_TYPE)]
+
+	movaps	xmm4,xmm0
+	movaps	xmm5,xmm1
+	subps	xmm0,xmm2		; xmm0=tmp11
+	subps	xmm1,xmm3
+	addps	xmm4,xmm2		; xmm4=tmp10
+	addps	xmm5,xmm3		; xmm5=tmp13
+
+	mulps	xmm1,[PD_1_414]
+	subps	xmm1,xmm5		; xmm1=tmp12
+
+	movaps	xmm6,xmm4
+	movaps	xmm7,xmm0
+	subps	xmm4,xmm5		; xmm4=tmp3
+	subps	xmm0,xmm1		; xmm0=tmp2
+	addps	xmm6,xmm5		; xmm6=tmp0
+	addps	xmm7,xmm1		; xmm7=tmp1
+
+	movaps	XMMWORD [wk(1)], xmm4	; tmp3
+	movaps	XMMWORD [wk(0)], xmm0	; tmp2
+
+	; -- Odd part
+
+	movq      xmm2, XMM_MMWORD [MMBLOCK(1,0,rsi,SIZEOF_JCOEF)]
+	movq      xmm3, XMM_MMWORD [MMBLOCK(3,0,rsi,SIZEOF_JCOEF)]
+	movq      xmm5, XMM_MMWORD [MMBLOCK(5,0,rsi,SIZEOF_JCOEF)]
+	movq      xmm1, XMM_MMWORD [MMBLOCK(7,0,rsi,SIZEOF_JCOEF)]
+
+	punpcklwd xmm2,xmm2		; xmm2=(10 10 11 11 12 12 13 13)
+	punpcklwd xmm3,xmm3		; xmm3=(30 30 31 31 32 32 33 33)
+	psrad     xmm2,(DWORD_BIT-WORD_BIT)	; xmm2=in1=(10 11 12 13)
+	psrad     xmm3,(DWORD_BIT-WORD_BIT)	; xmm3=in3=(30 31 32 33)
+	cvtdq2ps  xmm2,xmm2			; xmm2=in1=(10 11 12 13)
+	cvtdq2ps  xmm3,xmm3			; xmm3=in3=(30 31 32 33)
+
+	punpcklwd xmm5,xmm5		; xmm5=(50 50 51 51 52 52 53 53)
+	punpcklwd xmm1,xmm1		; xmm1=(70 70 71 71 72 72 73 73)
+	psrad     xmm5,(DWORD_BIT-WORD_BIT)	; xmm5=in5=(50 51 52 53)
+	psrad     xmm1,(DWORD_BIT-WORD_BIT)	; xmm1=in7=(70 71 72 73)
+	cvtdq2ps  xmm5,xmm5			; xmm5=in5=(50 51 52 53)
+	cvtdq2ps  xmm1,xmm1			; xmm1=in7=(70 71 72 73)
+
+	mulps     xmm2, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_FLOAT_MULT_TYPE)]
+	mulps     xmm3, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_FLOAT_MULT_TYPE)]
+	mulps     xmm5, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_FLOAT_MULT_TYPE)]
+	mulps     xmm1, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_FLOAT_MULT_TYPE)]
+
+	movaps	xmm4,xmm2
+	movaps	xmm0,xmm5
+	addps	xmm2,xmm1		; xmm2=z11
+	addps	xmm5,xmm3		; xmm5=z13
+	subps	xmm4,xmm1		; xmm4=z12
+	subps	xmm0,xmm3		; xmm0=z10
+
+	movaps	xmm1,xmm2
+	subps	xmm2,xmm5
+	addps	xmm1,xmm5		; xmm1=tmp7
+
+	mulps	xmm2,[PD_1_414]	; xmm2=tmp11
+
+	movaps	xmm3,xmm0
+	addps	xmm0,xmm4
+	mulps	xmm0,[PD_1_847]	; xmm0=z5
+	mulps	xmm3,[PD_M2_613]	; xmm3=(z10 * -2.613125930)
+	mulps	xmm4,[PD_1_082]	; xmm4=(z12 * 1.082392200)
+	addps	xmm3,xmm0		; xmm3=tmp12
+	subps	xmm4,xmm0		; xmm4=tmp10
+
+	; -- Final output stage
+
+	subps	xmm3,xmm1		; xmm3=tmp6
+	movaps	xmm5,xmm6
+	movaps	xmm0,xmm7
+	addps	xmm6,xmm1		; xmm6=data0=(00 01 02 03)
+	addps	xmm7,xmm3		; xmm7=data1=(10 11 12 13)
+	subps	xmm5,xmm1		; xmm5=data7=(70 71 72 73)
+	subps	xmm0,xmm3		; xmm0=data6=(60 61 62 63)
+	subps	xmm2,xmm3		; xmm2=tmp5
+
+	movaps    xmm1,xmm6		; transpose coefficients(phase 1)
+	unpcklps  xmm6,xmm7		; xmm6=(00 10 01 11)
+	unpckhps  xmm1,xmm7		; xmm1=(02 12 03 13)
+	movaps    xmm3,xmm0		; transpose coefficients(phase 1)
+	unpcklps  xmm0,xmm5		; xmm0=(60 70 61 71)
+	unpckhps  xmm3,xmm5		; xmm3=(62 72 63 73)
+
+	movaps	xmm7, XMMWORD [wk(0)]	; xmm7=tmp2
+	movaps	xmm5, XMMWORD [wk(1)]	; xmm5=tmp3
+
+	movaps	XMMWORD [wk(0)], xmm0	; wk(0)=(60 70 61 71)
+	movaps	XMMWORD [wk(1)], xmm3	; wk(1)=(62 72 63 73)
+
+	addps	xmm4,xmm2		; xmm4=tmp4
+	movaps	xmm0,xmm7
+	movaps	xmm3,xmm5
+	addps	xmm7,xmm2		; xmm7=data2=(20 21 22 23)
+	addps	xmm5,xmm4		; xmm5=data4=(40 41 42 43)
+	subps	xmm0,xmm2		; xmm0=data5=(50 51 52 53)
+	subps	xmm3,xmm4		; xmm3=data3=(30 31 32 33)
+
+	movaps    xmm2,xmm7		; transpose coefficients(phase 1)
+	unpcklps  xmm7,xmm3		; xmm7=(20 30 21 31)
+	unpckhps  xmm2,xmm3		; xmm2=(22 32 23 33)
+	movaps    xmm4,xmm5		; transpose coefficients(phase 1)
+	unpcklps  xmm5,xmm0		; xmm5=(40 50 41 51)
+	unpckhps  xmm4,xmm0		; xmm4=(42 52 43 53)
+
+	movaps    xmm3,xmm6		; transpose coefficients(phase 2)
+	unpcklps2 xmm6,xmm7		; xmm6=(00 10 20 30)
+	unpckhps2 xmm3,xmm7		; xmm3=(01 11 21 31)
+	movaps    xmm0,xmm1		; transpose coefficients(phase 2)
+	unpcklps2 xmm1,xmm2		; xmm1=(02 12 22 32)
+	unpckhps2 xmm0,xmm2		; xmm0=(03 13 23 33)
+
+	movaps	xmm7, XMMWORD [wk(0)]	; xmm7=(60 70 61 71)
+	movaps	xmm2, XMMWORD [wk(1)]	; xmm2=(62 72 63 73)
+
+	movaps	XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_FAST_FLOAT)], xmm6
+	movaps	XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_FAST_FLOAT)], xmm3
+	movaps	XMMWORD [XMMBLOCK(2,0,rdi,SIZEOF_FAST_FLOAT)], xmm1
+	movaps	XMMWORD [XMMBLOCK(3,0,rdi,SIZEOF_FAST_FLOAT)], xmm0
+
+	movaps    xmm6,xmm5		; transpose coefficients(phase 2)
+	unpcklps2 xmm5,xmm7		; xmm5=(40 50 60 70)
+	unpckhps2 xmm6,xmm7		; xmm6=(41 51 61 71)
+	movaps    xmm3,xmm4		; transpose coefficients(phase 2)
+	unpcklps2 xmm4,xmm2		; xmm4=(42 52 62 72)
+	unpckhps2 xmm3,xmm2		; xmm3=(43 53 63 73)
+
+	movaps	XMMWORD [XMMBLOCK(0,1,rdi,SIZEOF_FAST_FLOAT)], xmm5
+	movaps	XMMWORD [XMMBLOCK(1,1,rdi,SIZEOF_FAST_FLOAT)], xmm6
+	movaps	XMMWORD [XMMBLOCK(2,1,rdi,SIZEOF_FAST_FLOAT)], xmm4
+	movaps	XMMWORD [XMMBLOCK(3,1,rdi,SIZEOF_FAST_FLOAT)], xmm3
+
+.nextcolumn:
+	add	rsi, byte 4*SIZEOF_JCOEF		; coef_block
+	add	rdx, byte 4*SIZEOF_FLOAT_MULT_TYPE	; quantptr
+	add	rdi,      4*DCTSIZE*SIZEOF_FAST_FLOAT	; wsptr
+	dec	rcx					; ctr
+	jnz	near .columnloop
+
+	; -- Prefetch the next coefficient block
+
+	prefetchnta [rsi + (DCTSIZE2-8)*SIZEOF_JCOEF + 0*32]
+	prefetchnta [rsi + (DCTSIZE2-8)*SIZEOF_JCOEF + 1*32]
+	prefetchnta [rsi + (DCTSIZE2-8)*SIZEOF_JCOEF + 2*32]
+	prefetchnta [rsi + (DCTSIZE2-8)*SIZEOF_JCOEF + 3*32]
+
+	; ---- Pass 2: process rows from work array, store into output array.
+
+	mov	rax, [original_rbp]
+	lea	rsi, [workspace]			; FAST_FLOAT * wsptr
+	mov	rdi, r12	; (JSAMPROW *)
+	mov	rax, r13
+	mov	rcx, DCTSIZE/4				; ctr
+.rowloop:
+
+	; -- Even part
+
+	movaps	xmm0, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_FAST_FLOAT)]
+	movaps	xmm1, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_FAST_FLOAT)]
+	movaps	xmm2, XMMWORD [XMMBLOCK(4,0,rsi,SIZEOF_FAST_FLOAT)]
+	movaps	xmm3, XMMWORD [XMMBLOCK(6,0,rsi,SIZEOF_FAST_FLOAT)]
+
+	movaps	xmm4,xmm0
+	movaps	xmm5,xmm1
+	subps	xmm0,xmm2		; xmm0=tmp11
+	subps	xmm1,xmm3
+	addps	xmm4,xmm2		; xmm4=tmp10
+	addps	xmm5,xmm3		; xmm5=tmp13
+
+	mulps	xmm1,[PD_1_414]
+	subps	xmm1,xmm5		; xmm1=tmp12
+
+	movaps	xmm6,xmm4
+	movaps	xmm7,xmm0
+	subps	xmm4,xmm5		; xmm4=tmp3
+	subps	xmm0,xmm1		; xmm0=tmp2
+	addps	xmm6,xmm5		; xmm6=tmp0
+	addps	xmm7,xmm1		; xmm7=tmp1
+
+	movaps	XMMWORD [wk(1)], xmm4	; tmp3
+	movaps	XMMWORD [wk(0)], xmm0	; tmp2
+
+	; -- Odd part
+
+	movaps	xmm2, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_FAST_FLOAT)]
+	movaps	xmm3, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_FAST_FLOAT)]
+	movaps	xmm5, XMMWORD [XMMBLOCK(5,0,rsi,SIZEOF_FAST_FLOAT)]
+	movaps	xmm1, XMMWORD [XMMBLOCK(7,0,rsi,SIZEOF_FAST_FLOAT)]
+
+	movaps	xmm4,xmm2
+	movaps	xmm0,xmm5
+	addps	xmm2,xmm1		; xmm2=z11
+	addps	xmm5,xmm3		; xmm5=z13
+	subps	xmm4,xmm1		; xmm4=z12
+	subps	xmm0,xmm3		; xmm0=z10
+
+	movaps	xmm1,xmm2
+	subps	xmm2,xmm5
+	addps	xmm1,xmm5		; xmm1=tmp7
+
+	mulps	xmm2,[PD_1_414]	; xmm2=tmp11
+
+	movaps	xmm3,xmm0
+	addps	xmm0,xmm4
+	mulps	xmm0,[PD_1_847]	; xmm0=z5
+	mulps	xmm3,[PD_M2_613]	; xmm3=(z10 * -2.613125930)
+	mulps	xmm4,[PD_1_082]	; xmm4=(z12 * 1.082392200)
+	addps	xmm3,xmm0		; xmm3=tmp12
+	subps	xmm4,xmm0		; xmm4=tmp10
+
+	; -- Final output stage
+
+	subps	xmm3,xmm1		; xmm3=tmp6
+	movaps	xmm5,xmm6
+	movaps	xmm0,xmm7
+	addps	xmm6,xmm1		; xmm6=data0=(00 10 20 30)
+	addps	xmm7,xmm3		; xmm7=data1=(01 11 21 31)
+	subps	xmm5,xmm1		; xmm5=data7=(07 17 27 37)
+	subps	xmm0,xmm3		; xmm0=data6=(06 16 26 36)
+	subps	xmm2,xmm3		; xmm2=tmp5
+
+	movaps	xmm1,[PD_RNDINT_MAGIC]	; xmm1=[PD_RNDINT_MAGIC]
+	pcmpeqd	xmm3,xmm3
+	psrld	xmm3,WORD_BIT		; xmm3={0xFFFF 0x0000 0xFFFF 0x0000 ..}
+
+	addps	xmm6,xmm1	; xmm6=roundint(data0/8)=(00 ** 10 ** 20 ** 30 **)
+	addps	xmm7,xmm1	; xmm7=roundint(data1/8)=(01 ** 11 ** 21 ** 31 **)
+	addps	xmm0,xmm1	; xmm0=roundint(data6/8)=(06 ** 16 ** 26 ** 36 **)
+	addps	xmm5,xmm1	; xmm5=roundint(data7/8)=(07 ** 17 ** 27 ** 37 **)
+
+	pand	xmm6,xmm3		; xmm6=(00 -- 10 -- 20 -- 30 --)
+	pslld	xmm7,WORD_BIT		; xmm7=(-- 01 -- 11 -- 21 -- 31)
+	pand	xmm0,xmm3		; xmm0=(06 -- 16 -- 26 -- 36 --)
+	pslld	xmm5,WORD_BIT		; xmm5=(-- 07 -- 17 -- 27 -- 37)
+	por	xmm6,xmm7		; xmm6=(00 01 10 11 20 21 30 31)
+	por	xmm0,xmm5		; xmm0=(06 07 16 17 26 27 36 37)
+
+	movaps	xmm1, XMMWORD [wk(0)]	; xmm1=tmp2
+	movaps	xmm3, XMMWORD [wk(1)]	; xmm3=tmp3
+
+	addps	xmm4,xmm2		; xmm4=tmp4
+	movaps	xmm7,xmm1
+	movaps	xmm5,xmm3
+	addps	xmm1,xmm2		; xmm1=data2=(02 12 22 32)
+	addps	xmm3,xmm4		; xmm3=data4=(04 14 24 34)
+	subps	xmm7,xmm2		; xmm7=data5=(05 15 25 35)
+	subps	xmm5,xmm4		; xmm5=data3=(03 13 23 33)
+
+	movaps	xmm2,[PD_RNDINT_MAGIC]	; xmm2=[PD_RNDINT_MAGIC]
+	pcmpeqd	xmm4,xmm4
+	psrld	xmm4,WORD_BIT		; xmm4={0xFFFF 0x0000 0xFFFF 0x0000 ..}
+
+	addps	xmm3,xmm2	; xmm3=roundint(data4/8)=(04 ** 14 ** 24 ** 34 **)
+	addps	xmm7,xmm2	; xmm7=roundint(data5/8)=(05 ** 15 ** 25 ** 35 **)
+	addps	xmm1,xmm2	; xmm1=roundint(data2/8)=(02 ** 12 ** 22 ** 32 **)
+	addps	xmm5,xmm2	; xmm5=roundint(data3/8)=(03 ** 13 ** 23 ** 33 **)
+
+	pand	xmm3,xmm4		; xmm3=(04 -- 14 -- 24 -- 34 --)
+	pslld	xmm7,WORD_BIT		; xmm7=(-- 05 -- 15 -- 25 -- 35)
+	pand	xmm1,xmm4		; xmm1=(02 -- 12 -- 22 -- 32 --)
+	pslld	xmm5,WORD_BIT		; xmm5=(-- 03 -- 13 -- 23 -- 33)
+	por	xmm3,xmm7		; xmm3=(04 05 14 15 24 25 34 35)
+	por	xmm1,xmm5		; xmm1=(02 03 12 13 22 23 32 33)
+
+	movdqa    xmm2,[PB_CENTERJSAMP]	; xmm2=[PB_CENTERJSAMP]
+
+	packsswb  xmm6,xmm3	; xmm6=(00 01 10 11 20 21 30 31 04 05 14 15 24 25 34 35)
+	packsswb  xmm1,xmm0	; xmm1=(02 03 12 13 22 23 32 33 06 07 16 17 26 27 36 37)
+	paddb     xmm6,xmm2
+	paddb     xmm1,xmm2
+
+	movdqa    xmm4,xmm6	; transpose coefficients(phase 2)
+	punpcklwd xmm6,xmm1	; xmm6=(00 01 02 03 10 11 12 13 20 21 22 23 30 31 32 33)
+	punpckhwd xmm4,xmm1	; xmm4=(04 05 06 07 14 15 16 17 24 25 26 27 34 35 36 37)
+
+	movdqa    xmm7,xmm6	; transpose coefficients(phase 3)
+	punpckldq xmm6,xmm4	; xmm6=(00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17)
+	punpckhdq xmm7,xmm4	; xmm7=(20 21 22 23 24 25 26 27 30 31 32 33 34 35 36 37)
+
+	pshufd	xmm5,xmm6,0x4E	; xmm5=(10 11 12 13 14 15 16 17 00 01 02 03 04 05 06 07)
+	pshufd	xmm3,xmm7,0x4E	; xmm3=(30 31 32 33 34 35 36 37 20 21 22 23 24 25 26 27)
+
+	mov	rdx, JSAMPROW [rdi+0*SIZEOF_JSAMPROW]
+	mov	rbx, JSAMPROW [rdi+2*SIZEOF_JSAMPROW]
+	movq	XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm6
+	movq	XMM_MMWORD [rbx+rax*SIZEOF_JSAMPLE], xmm7
+	mov	rdx, JSAMPROW [rdi+1*SIZEOF_JSAMPROW]
+	mov	rbx, JSAMPROW [rdi+3*SIZEOF_JSAMPROW]
+	movq	XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm5
+	movq	XMM_MMWORD [rbx+rax*SIZEOF_JSAMPLE], xmm3
+
+	add	rsi, byte 4*SIZEOF_FAST_FLOAT	; wsptr
+	add	rdi, byte 4*SIZEOF_JSAMPROW
+	dec	rcx				; ctr
+	jnz	near .rowloop
+
+	uncollect_args
+	pop	rbx
+	mov	rsp,rbp		; rsp <- aligned rbp
+	pop	rsp		; rsp <- original rbp
+	pop	rbp
+	ret