[steki.]

( a && b )

Код:

	proc	; main
	; line 2
	; line 3
	break	; c
	;$lcl a fffffffc
	push.c 0
	;$exp
	;$lcl b fffffff8
	push.c 0
	;$exp
	; line 4
	break	; 20
	load.s.pri fffffffc
	jzer 1
	load.s.pri fffffff8
	jzer 1
	const.pri 1
	jump 2
l.1
	zero.pri
l.2
	jzer 0
	;$exp
l.0		; 60
	stack 8
	zero.pri
	retn

if(a) if (b)

Код:

	proc	; main
	; line 2
	; line 3
	break	; c
	;$lcl a fffffffc
	push.c 0
	;$exp
	;$lcl b fffffff8
	push.c 0
	;$exp
	; line 4
	break	; 20
	load.s.pri fffffffc
	jzer 0
	;$exp
	; line 6
	break	; 34
	load.s.pri fffffff8
	jzer 1
	;$exp
l.1		; 48
l.0		; 48
	stack 8
	zero.pri
	retn

Take your own conclusions.