OpenEPaperLink/ap_fw/cpu/8051/peep.def

replace restart {
	movx	a,@dptr
	mov	%1,a
	inc	dptr
	movx	a,@dptr
	mov	%2,a
	inc	dptr
	movx	a,@dptr
	mov	%3,a
	inc	dptr
	movx	a,@dptr
	mov	%4,a
	clr	c
	mov	a,%1
	subb	a,#%5
	mov	a,%2
	subb	a,#%6
	mov	a,%3
	subb	a,#%7
	mov	a,%4
	subb	a,#%8
	DISABLED XXX
} by {
	clr	c
	movx	a,@dptr
	mov	%1,a
	subb	a,#%5
	inc	dptr
	movx	a,@dptr
	mov	%2,a
	subb	a,#%6
	inc	dptr
	movx	a,@dptr
	mov	%3,a
	subb	a,#%7
	inc	dptr
	movx	a,@dptr
	mov	%4,a
	subb	a,#%8	;dmitrygr - optimize dumb xdata handling
} if notSame(%1 %2),notSame(%1 %3),notSame(%1 %4),notSame(%2 %3),notSame(%3 %4),notSame(%3 %4)

replace {
	mov	b,%1
	mov a,%2
	div	ab
	mov %3,b
	mov	b,%1
	mov a,%2
	div	ab
} by {
	mov	b,%1
	mov a,%2
	div	ab
	mov %3,b ; Peephole dmitrygr.0006 - why divide twice?
} if notSame(%1 %3),notSame(%2 %3)


replace {
	movx	@dptr,a
	movx	a,@dptr
} by {
	movx	@dptr,a ; Peephole dmitrygr.0005 - SRSLY, WTF?
}

replace restart {
	mov	r%1,%2
	mov	r%3,%4
	mov	r%5,%6
	mov	r%7,%8
	push	%9
	push	%10
	mov	%2,r%1
	mov	%4,r%3
	mov	%6,r%5
	mov	%8,r%7
} by {
	mov	r%1,%2
	mov	r%3,%4
	mov	r%5,%6
	mov	r%7,%8
	push	%9
	push	%10;	Peephole dmitrygr.000 - pointless shuffling when passing 32 from return to param
} if notSame(%1 %3),notSame(%1 %5),notSame(%1 %7),notSame(%3 %5),notSame(%3 %7),notSame(%5 %7),notSame(%2 %4),notSame(%2 %6),notSame(%2 %8),notSame(%4 %6),notSame(%4 %8),notSame(%6 %8)


replace restart {
%1:
	mov	dptr,#%2
	movx	a,@dptr
	mov	%3,a
	cjne	%3,#%4,%1
} by {
	mov	dptr,#%2
%1:
	movx	a,@dptr
	cjne	a,#%4,%1 ;	Peephole dmitrygr.001 - tighter loop, write extra var just once (i wish we knew if it were dead so we could write it zero times)
	mov	%3,a
} if labelRefCount(%1 1)

replace restart {
	mov	a,#%1
	add	a,#0x00
	mov	%2,a
	mov	a,%3
} by {
	mov	%2,#%1
	mov	a,%3
	clr c 		;	Peephole dmitrygr.002 - remove pointless A-machinations
}

replace restart {
	add	a,#0x00
} by {
	clr c ;	Peephole dmitrygr.003 - adding zero is pointless, just clears C
}