if.asm

简单实现C--语言的编译器

	.386p
	model flat

extrn	_printf:near

	.code
_main	proc	near
	push      ebp
	mov       ebp,esp
	sub	  esp, 20
	mov	edx  ,	1
	mov	dword ptr [ebp-4], edx;i
	mov	edx  ,	2
	mov	dword ptr [ebp-8], edx;j
    	mov    eax, dword ptr [ebp-4];i
	add	eax, 2
	mov	dword ptr [ebp-12], eax	;__t1
	mov	edx ,dword ptr [ebp-12] ; __t1
	mov	dword ptr [ebp-4] , edx ; i
	mov	edx , dword ptr [ebp-4] ; i
	cmp	edx , dword ptr [ebp-8] ; j
	jle	short	__@1
    	mov    eax, dword ptr [ebp-8];j
	add	eax, dword ptr [ebp-4] ;i
	mov	dword ptr [ebp-16], eax	;__t2
	mov	edx ,dword ptr [ebp-16] ; __t2
	mov	dword ptr [ebp-8] , edx ; j
	jmp	__@2
__@1:
    	mov    eax, dword ptr [ebp-8];j
	sub	eax, dword ptr [ebp-4] ;i
	mov	dword ptr [ebp-20], eax	;__t3
	mov	edx ,dword ptr [ebp-20] ; __t3
	mov	dword ptr [ebp-8] , edx ; j
__@2:
	push	dword ptr [ebp-8] ; j
	push	  offset s@
	call	_printf
	pop	ecx
	add	esp,8

	mov	esp,ebp
	pop	ebp
	ret
_main	endp

	.data
s@	label	byte
	db	"j=%d",10,0

	public	_main
	end