diff --git a/common/jpeg/simd/jdmermmx.asm b/common/jpeg/simd/jdmermmx.asm
index 8ebe243..fd587fb 100644
--- a/common/jpeg/simd/jdmermmx.asm
+++ b/common/jpeg/simd/jdmermmx.asm
@@ -2,6 +2,7 @@
 ; jdmermmx.asm - merged upsampling/color conversion (MMX)
 ;
 ; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+; Copyright 2009 D. R. Commander
 ;
 ; Based on
 ; x86 SIMD extension for IJG JPEG library
@@ -17,7 +18,6 @@
 ; [TAB8]
 
 %include "jsimdext.inc"
-%include "jcolsamp.inc"
 
 ; --------------------------------------------------------------------------
 
@@ -48,445 +48,76 @@
 	alignz	16
 
 ; --------------------------------------------------------------------------
-	SECTION	SEG_TEXT
-	BITS	32
-;
-; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical.
-;
-; GLOBAL(void)
-; jsimd_h2v1_merged_upsample_mmx (JDIMENSION output_width,
-;                                 JSAMPIMAGE input_buf,
-;                                 JDIMENSION in_row_group_ctr,
-;                                 JSAMPARRAY output_buf);
-;
+%include "jdmrgmmx.asm"
 
-%define output_width(b)	(b)+8			; JDIMENSION output_width
-%define input_buf(b)		(b)+12		; JSAMPIMAGE input_buf
-%define in_row_group_ctr(b)	(b)+16		; JDIMENSION in_row_group_ctr
-%define output_buf(b)		(b)+20		; JSAMPARRAY output_buf
+%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_h2v1_merged_upsample_mmx jsimd_h2v1_extrgb_merged_upsample_mmx
+%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extrgb_merged_upsample_mmx
+%include "jdmrgmmx.asm"
 
-%define original_ebp	ebp+0
-%define wk(i)		ebp-(WK_NUM-(i))*SIZEOF_MMWORD	; mmword wk[WK_NUM]
-%define WK_NUM		3
-%define gotptr		wk(0)-SIZEOF_POINTER	; void * gotptr
+%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_h2v1_merged_upsample_mmx jsimd_h2v1_extrgbx_merged_upsample_mmx
+%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extrgbx_merged_upsample_mmx
+%include "jdmrgmmx.asm"
 
-	align	16
-	global	EXTN(jsimd_h2v1_merged_upsample_mmx)
+%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_h2v1_merged_upsample_mmx jsimd_h2v1_extbgr_merged_upsample_mmx
+%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extbgr_merged_upsample_mmx
+%include "jdmrgmmx.asm"
 
-EXTN(jsimd_h2v1_merged_upsample_mmx):
-	push	ebp
-	mov	eax,esp				; eax = original ebp
-	sub	esp, byte 4
-	and	esp, byte (-SIZEOF_MMWORD)	; align to 64 bits
-	mov	[esp],eax
-	mov	ebp,esp				; ebp = aligned ebp
-	lea	esp, [wk(0)]
-	pushpic	eax		; make a room for GOT address
-	push	ebx
-;	push	ecx		; need not be preserved
-;	push	edx		; need not be preserved
-	push	esi
-	push	edi
+%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_h2v1_merged_upsample_mmx jsimd_h2v1_extbgrx_merged_upsample_mmx
+%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extbgrx_merged_upsample_mmx
+%include "jdmrgmmx.asm"
 
-	get_GOT	ebx			; get GOT address
-	movpic	POINTER [gotptr], ebx	; save GOT address
+%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_h2v1_merged_upsample_mmx jsimd_h2v1_extxbgr_merged_upsample_mmx
+%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extxbgr_merged_upsample_mmx
+%include "jdmrgmmx.asm"
 
-	mov	ecx, JDIMENSION [output_width(eax)]	; col
-	test	ecx,ecx
-	jz	near .return
-
-	push	ecx
-
-	mov	edi, JSAMPIMAGE [input_buf(eax)]
-	mov	ecx, JDIMENSION [in_row_group_ctr(eax)]
-	mov	esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY]
-	mov	ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY]
-	mov	edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY]
-	mov	edi, JSAMPARRAY [output_buf(eax)]
-	mov	esi, JSAMPROW [esi+ecx*SIZEOF_JSAMPROW]		; inptr0
-	mov	ebx, JSAMPROW [ebx+ecx*SIZEOF_JSAMPROW]		; inptr1
-	mov	edx, JSAMPROW [edx+ecx*SIZEOF_JSAMPROW]		; inptr2
-	mov	edi, JSAMPROW [edi]				; outptr
-
-	pop	ecx			; col
-
-	alignx	16,7
-.columnloop:
-	movpic	eax, POINTER [gotptr]	; load GOT address (eax)
-
-	movq      mm6, MMWORD [ebx]	; mm6=Cb(01234567)
-	movq      mm7, MMWORD [edx]	; mm7=Cr(01234567)
-
-	pxor      mm1,mm1		; mm1=(all 0's)
-	pcmpeqw   mm3,mm3
-	psllw     mm3,7			; mm3={0xFF80 0xFF80 0xFF80 0xFF80}
-
-	movq      mm4,mm6
-	punpckhbw mm6,mm1		; mm6=Cb(4567)=CbH
-	punpcklbw mm4,mm1		; mm4=Cb(0123)=CbL
-	movq      mm0,mm7
-	punpckhbw mm7,mm1		; mm7=Cr(4567)=CrH
-	punpcklbw mm0,mm1		; mm0=Cr(0123)=CrL
-
-	paddw     mm6,mm3
-	paddw     mm4,mm3
-	paddw     mm7,mm3
-	paddw     mm0,mm3
-
-	; (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
-
-	movq	mm5,mm6			; mm5=CbH
-	movq	mm2,mm4			; mm2=CbL
-	paddw	mm6,mm6			; mm6=2*CbH
-	paddw	mm4,mm4			; mm4=2*CbL
-	movq	mm1,mm7			; mm1=CrH
-	movq	mm3,mm0			; mm3=CrL
-	paddw	mm7,mm7			; mm7=2*CrH
-	paddw	mm0,mm0			; mm0=2*CrL
-
-	pmulhw	mm6,[GOTOFF(eax,PW_MF0228)]	; mm6=(2*CbH * -FIX(0.22800))
-	pmulhw	mm4,[GOTOFF(eax,PW_MF0228)]	; mm4=(2*CbL * -FIX(0.22800))
-	pmulhw	mm7,[GOTOFF(eax,PW_F0402)]	; mm7=(2*CrH * FIX(0.40200))
-	pmulhw	mm0,[GOTOFF(eax,PW_F0402)]	; mm0=(2*CrL * FIX(0.40200))
-
-	paddw	mm6,[GOTOFF(eax,PW_ONE)]
-	paddw	mm4,[GOTOFF(eax,PW_ONE)]
-	psraw	mm6,1			; mm6=(CbH * -FIX(0.22800))
-	psraw	mm4,1			; mm4=(CbL * -FIX(0.22800))
-	paddw	mm7,[GOTOFF(eax,PW_ONE)]
-	paddw	mm0,[GOTOFF(eax,PW_ONE)]
-	psraw	mm7,1			; mm7=(CrH * FIX(0.40200))
-	psraw	mm0,1			; mm0=(CrL * FIX(0.40200))
-
-	paddw	mm6,mm5
-	paddw	mm4,mm2
-	paddw	mm6,mm5			; mm6=(CbH * FIX(1.77200))=(B-Y)H
-	paddw	mm4,mm2			; mm4=(CbL * FIX(1.77200))=(B-Y)L
-	paddw	mm7,mm1			; mm7=(CrH * FIX(1.40200))=(R-Y)H
-	paddw	mm0,mm3			; mm0=(CrL * FIX(1.40200))=(R-Y)L
-
-	movq	MMWORD [wk(0)], mm6	; wk(0)=(B-Y)H
-	movq	MMWORD [wk(1)], mm7	; wk(1)=(R-Y)H
-
-	movq      mm6,mm5
-	movq      mm7,mm2
-	punpcklwd mm5,mm1
-	punpckhwd mm6,mm1
-	pmaddwd   mm5,[GOTOFF(eax,PW_MF0344_F0285)]
-	pmaddwd   mm6,[GOTOFF(eax,PW_MF0344_F0285)]
-	punpcklwd mm2,mm3
-	punpckhwd mm7,mm3
-	pmaddwd   mm2,[GOTOFF(eax,PW_MF0344_F0285)]
-	pmaddwd   mm7,[GOTOFF(eax,PW_MF0344_F0285)]
-
-	paddd     mm5,[GOTOFF(eax,PD_ONEHALF)]
-	paddd     mm6,[GOTOFF(eax,PD_ONEHALF)]
-	psrad     mm5,SCALEBITS
-	psrad     mm6,SCALEBITS
-	paddd     mm2,[GOTOFF(eax,PD_ONEHALF)]
-	paddd     mm7,[GOTOFF(eax,PD_ONEHALF)]
-	psrad     mm2,SCALEBITS
-	psrad     mm7,SCALEBITS
-
-	packssdw  mm5,mm6	; mm5=CbH*-FIX(0.344)+CrH*FIX(0.285)
-	packssdw  mm2,mm7	; mm2=CbL*-FIX(0.344)+CrL*FIX(0.285)
-	psubw     mm5,mm1	; mm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H
-	psubw     mm2,mm3	; mm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L
-
-	movq	MMWORD [wk(2)], mm5	; wk(2)=(G-Y)H
-
-	mov	al,2			; Yctr
-	jmp	short .Yloop_1st
-	alignx	16,7
-
-.Yloop_2nd:
-	movq	mm0, MMWORD [wk(1)]	; mm0=(R-Y)H
-	movq	mm2, MMWORD [wk(2)]	; mm2=(G-Y)H
-	movq	mm4, MMWORD [wk(0)]	; mm4=(B-Y)H
-	alignx	16,7
-
-.Yloop_1st:
-	movq	mm7, MMWORD [esi]	; mm7=Y(01234567)
-
-	pcmpeqw	mm6,mm6
-	psrlw	mm6,BYTE_BIT		; mm6={0xFF 0x00 0xFF 0x00 ..}
-	pand	mm6,mm7			; mm6=Y(0246)=YE
-	psrlw	mm7,BYTE_BIT		; mm7=Y(1357)=YO
-
-	movq	mm1,mm0			; mm1=mm0=(R-Y)(L/H)
-	movq	mm3,mm2			; mm3=mm2=(G-Y)(L/H)
-	movq	mm5,mm4			; mm5=mm4=(B-Y)(L/H)
-
-	paddw     mm0,mm6		; mm0=((R-Y)+YE)=RE=(R0 R2 R4 R6)
-	paddw     mm1,mm7		; mm1=((R-Y)+YO)=RO=(R1 R3 R5 R7)
-	packuswb  mm0,mm0		; mm0=(R0 R2 R4 R6 ** ** ** **)
-	packuswb  mm1,mm1		; mm1=(R1 R3 R5 R7 ** ** ** **)
-
-	paddw     mm2,mm6		; mm2=((G-Y)+YE)=GE=(G0 G2 G4 G6)
-	paddw     mm3,mm7		; mm3=((G-Y)+YO)=GO=(G1 G3 G5 G7)
-	packuswb  mm2,mm2		; mm2=(G0 G2 G4 G6 ** ** ** **)
-	packuswb  mm3,mm3		; mm3=(G1 G3 G5 G7 ** ** ** **)
-
-	paddw     mm4,mm6		; mm4=((B-Y)+YE)=BE=(B0 B2 B4 B6)
-	paddw     mm5,mm7		; mm5=((B-Y)+YO)=BO=(B1 B3 B5 B7)
-	packuswb  mm4,mm4		; mm4=(B0 B2 B4 B6 ** ** ** **)
-	packuswb  mm5,mm5		; mm5=(B1 B3 B5 B7 ** ** ** **)
-
-%if RGB_PIXELSIZE == 3 ; ---------------
-
-	; mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **)
-	; mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **)
-	; mmE=(20 22 24 26 ** ** ** **), mmF=(21 23 25 27 ** ** ** **)
-	; mmG=(** ** ** ** ** ** ** **), mmH=(** ** ** ** ** ** ** **)
-
-	punpcklbw mmA,mmC		; mmA=(00 10 02 12 04 14 06 16)
-	punpcklbw mmE,mmB		; mmE=(20 01 22 03 24 05 26 07)
-	punpcklbw mmD,mmF		; mmD=(11 21 13 23 15 25 17 27)
-
-	movq      mmG,mmA
-	movq      mmH,mmA
-	punpcklwd mmA,mmE		; mmA=(00 10 20 01 02 12 22 03)
-	punpckhwd mmG,mmE		; mmG=(04 14 24 05 06 16 26 07)
-
-	psrlq     mmH,2*BYTE_BIT	; mmH=(02 12 04 14 06 16 -- --)
-	psrlq     mmE,2*BYTE_BIT	; mmE=(22 03 24 05 26 07 -- --)
-
-	movq      mmC,mmD
-	movq      mmB,mmD
-	punpcklwd mmD,mmH		; mmD=(11 21 02 12 13 23 04 14)
-	punpckhwd mmC,mmH		; mmC=(15 25 06 16 17 27 -- --)
-
-	psrlq     mmB,2*BYTE_BIT	; mmB=(13 23 15 25 17 27 -- --)
-
-	movq      mmF,mmE
-	punpcklwd mmE,mmB		; mmE=(22 03 13 23 24 05 15 25)
-	punpckhwd mmF,mmB		; mmF=(26 07 17 27 -- -- -- --)
-
-	punpckldq mmA,mmD		; mmA=(00 10 20 01 11 21 02 12)
-	punpckldq mmE,mmG		; mmE=(22 03 13 23 04 14 24 05)
-	punpckldq mmC,mmF		; mmC=(15 25 06 16 26 07 17 27)
-
-	cmp	ecx, byte SIZEOF_MMWORD
-	jb	short .column_st16
-
-	movq	MMWORD [edi+0*SIZEOF_MMWORD], mmA
-	movq	MMWORD [edi+1*SIZEOF_MMWORD], mmE
-	movq	MMWORD [edi+2*SIZEOF_MMWORD], mmC
-
-	sub	ecx, byte SIZEOF_MMWORD
-	jz	short .endcolumn
-
-	add	edi, byte RGB_PIXELSIZE*SIZEOF_MMWORD	; outptr
-	add	esi, byte SIZEOF_MMWORD			; inptr0
-	dec	al			; Yctr
-	jnz	near .Yloop_2nd
-
-	add	ebx, byte SIZEOF_MMWORD			; inptr1
-	add	edx, byte SIZEOF_MMWORD			; inptr2
-	jmp	near .columnloop
-	alignx	16,7
-
-.column_st16:
-	lea	ecx, [ecx+ecx*2]	; imul ecx, RGB_PIXELSIZE
-	cmp	ecx, byte 2*SIZEOF_MMWORD
-	jb	short .column_st8
-	movq	MMWORD [edi+0*SIZEOF_MMWORD], mmA
-	movq	MMWORD [edi+1*SIZEOF_MMWORD], mmE
-	movq	mmA,mmC
-	sub	ecx, byte 2*SIZEOF_MMWORD
-	add	edi, byte 2*SIZEOF_MMWORD
-	jmp	short .column_st4
-.column_st8:
-	cmp	ecx, byte SIZEOF_MMWORD
-	jb	short .column_st4
-	movq	MMWORD [edi+0*SIZEOF_MMWORD], mmA
-	movq	mmA,mmE
-	sub	ecx, byte SIZEOF_MMWORD
-	add	edi, byte SIZEOF_MMWORD
-.column_st4:
-	movd	eax,mmA
-	cmp	ecx, byte SIZEOF_DWORD
-	jb	short .column_st2
-	mov	DWORD [edi+0*SIZEOF_DWORD], eax
-	psrlq	mmA,DWORD_BIT
-	movd	eax,mmA
-	sub	ecx, byte SIZEOF_DWORD
-	add	edi, byte SIZEOF_DWORD
-.column_st2:
-	cmp	ecx, byte SIZEOF_WORD
-	jb	short .column_st1
-	mov	WORD [edi+0*SIZEOF_WORD], ax
-	shr	eax,WORD_BIT
-	sub	ecx, byte SIZEOF_WORD
-	add	edi, byte SIZEOF_WORD
-.column_st1:
-	cmp	ecx, byte SIZEOF_BYTE
-	jb	short .endcolumn
-	mov	BYTE [edi+0*SIZEOF_BYTE], al
-
-%else ; RGB_PIXELSIZE == 4 ; -----------
-
-%ifdef RGBX_FILLER_0XFF
-	pcmpeqb   mm6,mm6		; mm6=(X0 X2 X4 X6 ** ** ** **)
-	pcmpeqb   mm7,mm7		; mm7=(X1 X3 X5 X7 ** ** ** **)
-%else
-	pxor      mm6,mm6		; mm6=(X0 X2 X4 X6 ** ** ** **)
-	pxor      mm7,mm7		; mm7=(X1 X3 X5 X7 ** ** ** **)
-%endif
-	; mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **)
-	; mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **)
-	; mmE=(20 22 24 26 ** ** ** **), mmF=(21 23 25 27 ** ** ** **)
-	; mmG=(30 32 34 36 ** ** ** **), mmH=(31 33 35 37 ** ** ** **)
-
-	punpcklbw mmA,mmC		; mmA=(00 10 02 12 04 14 06 16)
-	punpcklbw mmE,mmG		; mmE=(20 30 22 32 24 34 26 36)
-	punpcklbw mmB,mmD		; mmB=(01 11 03 13 05 15 07 17)
-	punpcklbw mmF,mmH		; mmF=(21 31 23 33 25 35 27 37)
-
-	movq      mmC,mmA
-	punpcklwd mmA,mmE		; mmA=(00 10 20 30 02 12 22 32)
-	punpckhwd mmC,mmE		; mmC=(04 14 24 34 06 16 26 36)
-	movq      mmG,mmB
-	punpcklwd mmB,mmF		; mmB=(01 11 21 31 03 13 23 33)
-	punpckhwd mmG,mmF		; mmG=(05 15 25 35 07 17 27 37)
-
-	movq      mmD,mmA
-	punpckldq mmA,mmB		; mmA=(00 10 20 30 01 11 21 31)
-	punpckhdq mmD,mmB		; mmD=(02 12 22 32 03 13 23 33)
-	movq      mmH,mmC
-	punpckldq mmC,mmG		; mmC=(04 14 24 34 05 15 25 35)
-	punpckhdq mmH,mmG		; mmH=(06 16 26 36 07 17 27 37)
-
-	cmp	ecx, byte SIZEOF_MMWORD
-	jb	short .column_st16
-
-	movq	MMWORD [edi+0*SIZEOF_MMWORD], mmA
-	movq	MMWORD [edi+1*SIZEOF_MMWORD], mmD
-	movq	MMWORD [edi+2*SIZEOF_MMWORD], mmC
-	movq	MMWORD [edi+3*SIZEOF_MMWORD], mmH
-
-	sub	ecx, byte SIZEOF_MMWORD
-	jz	short .endcolumn
-
-	add	edi, byte RGB_PIXELSIZE*SIZEOF_MMWORD	; outptr
-	add	esi, byte SIZEOF_MMWORD			; inptr0
-	dec	al			; Yctr
-	jnz	near .Yloop_2nd
-
-	add	ebx, byte SIZEOF_MMWORD			; inptr1
-	add	edx, byte SIZEOF_MMWORD			; inptr2
-	jmp	near .columnloop
-	alignx	16,7
-
-.column_st16:
-	cmp	ecx, byte SIZEOF_MMWORD/2
-	jb	short .column_st8
-	movq	MMWORD [edi+0*SIZEOF_MMWORD], mmA
-	movq	MMWORD [edi+1*SIZEOF_MMWORD], mmD
-	movq	mmA,mmC
-	movq	mmD,mmH
-	sub	ecx, byte SIZEOF_MMWORD/2
-	add	edi, byte 2*SIZEOF_MMWORD
-.column_st8:
-	cmp	ecx, byte SIZEOF_MMWORD/4
-	jb	short .column_st4
-	movq	MMWORD [edi+0*SIZEOF_MMWORD], mmA
-	movq	mmA,mmD
-	sub	ecx, byte SIZEOF_MMWORD/4
-	add	edi, byte 1*SIZEOF_MMWORD
-.column_st4:
-	cmp	ecx, byte SIZEOF_MMWORD/8
-	jb	short .endcolumn
-	movd	DWORD [edi+0*SIZEOF_DWORD], mmA
-
-%endif ; RGB_PIXELSIZE ; ---------------
-
-.endcolumn:
-	emms		; empty MMX state
-
-.return:
-	pop	edi
-	pop	esi
-;	pop	edx		; need not be preserved
-;	pop	ecx		; need not be preserved
-	pop	ebx
-	mov	esp,ebp		; esp <- aligned ebp
-	pop	esp		; esp <- original ebp
-	pop	ebp
-	ret
-
-; --------------------------------------------------------------------------
-;
-; Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical.
-;
-; GLOBAL(void)
-; jsimd_h2v2_merged_upsample_mmx (JDIMENSION output_width,
-;                                 JSAMPIMAGE input_buf,
-;                                 JDIMENSION in_row_group_ctr,
-;                                 JSAMPARRAY output_buf);
-;
-
-%define output_width(b)	(b)+8			; JDIMENSION output_width
-%define input_buf(b)		(b)+12		; JSAMPIMAGE input_buf
-%define in_row_group_ctr(b)	(b)+16		; JDIMENSION in_row_group_ctr
-%define output_buf(b)		(b)+20		; JSAMPARRAY output_buf
-
-	align	16
-	global	EXTN(jsimd_h2v2_merged_upsample_mmx)
-
-EXTN(jsimd_h2v2_merged_upsample_mmx):
-	push	ebp
-	mov	ebp,esp
-	push	ebx
-;	push	ecx		; need not be preserved
-;	push	edx		; need not be preserved
-	push	esi
-	push	edi
-
-	mov	eax, JDIMENSION [output_width(ebp)]
-
-	mov	edi, JSAMPIMAGE [input_buf(ebp)]
-	mov	ecx, JDIMENSION [in_row_group_ctr(ebp)]
-	mov	esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY]
-	mov	ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY]
-	mov	edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY]
-	mov	edi, JSAMPARRAY [output_buf(ebp)]
-	lea	esi, [esi+ecx*SIZEOF_JSAMPROW]
-
-	push	edx			; inptr2
-	push	ebx			; inptr1
-	push	esi			; inptr00
-	mov	ebx,esp
-
-	push	edi			; output_buf (outptr0)
-	push	ecx			; in_row_group_ctr
-	push	ebx			; input_buf
-	push	eax			; output_width
-
-	call	near EXTN(jsimd_h2v1_merged_upsample_mmx)
-
-	add	esi, byte SIZEOF_JSAMPROW	; inptr01
-	add	edi, byte SIZEOF_JSAMPROW	; outptr1
-	mov	POINTER [ebx+0*SIZEOF_POINTER], esi
-	mov	POINTER [ebx-1*SIZEOF_POINTER], edi
-
-	call	near EXTN(jsimd_h2v1_merged_upsample_mmx)
-
-	add	esp, byte 7*SIZEOF_DWORD
-
-	pop	edi
-	pop	esi
-;	pop	edx		; need not be preserved
-;	pop	ecx		; need not be preserved
-	pop	ebx
-	pop	ebp
-	ret
-
+%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_h2v1_merged_upsample_mmx jsimd_h2v1_extxrgb_merged_upsample_mmx
+%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extxrgb_merged_upsample_mmx
+%include "jdmrgmmx.asm"