48 lines
		
	
	
	
		
			1.5 KiB
			
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
		
		
			
		
	
	
			48 lines
		
	
	
	
		
			1.5 KiB
			
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
|   | 	.file	"div_small.S" | ||
|  | /*---------------------------------------------------------------------------+ | ||
|  |  |  div_small.S                                                              | | ||
|  |  |                                                                           | | ||
|  |  | Divide a 64 bit integer by a 32 bit integer & return remainder.           | | ||
|  |  |                                                                           | | ||
|  |  | Copyright (C) 1992,1995                                                   | | ||
|  |  |                       W. Metzenthen, 22 Parker St, Ormond, Vic 3163,      | | ||
|  |  |                       Australia.  E-mail billm@jacobi.maths.monash.edu.au |
 | ||
|  |  |                                                                           | | ||
|  |  |                                                                           | | ||
|  |  +---------------------------------------------------------------------------*/ | ||
|  | 
 | ||
|  | /*---------------------------------------------------------------------------+ | ||
|  |  |    unsigned long FPU_div_small(unsigned long long *x, unsigned long y)    | | ||
|  |  +---------------------------------------------------------------------------*/ | ||
|  | 
 | ||
|  | #include "fpu_emu.h" | ||
|  | 
 | ||
|  | .text | ||
|  | ENTRY(FPU_div_small) | ||
|  | 	pushl	%ebp | ||
|  | 	movl	%esp,%ebp | ||
|  | 
 | ||
|  | 	pushl	%esi | ||
|  | 
 | ||
|  | 	movl	PARAM1,%esi	/* pointer to num */ | ||
|  | 	movl	PARAM2,%ecx	/* The denominator */ | ||
|  | 
 | ||
|  | 	movl	4(%esi),%eax	/* Get the current num msw */ | ||
|  | 	xorl	%edx,%edx | ||
|  | 	divl	%ecx | ||
|  | 
 | ||
|  | 	movl	%eax,4(%esi) | ||
|  | 
 | ||
|  | 	movl	(%esi),%eax	/* Get the num lsw */ | ||
|  | 	divl	%ecx | ||
|  | 
 | ||
|  | 	movl	%eax,(%esi) | ||
|  | 
 | ||
|  | 	movl	%edx,%eax	/* Return the remainder in eax */ | ||
|  | 
 | ||
|  | 	popl	%esi | ||
|  | 
 | ||
|  | 	leave | ||
|  | 	ret | ||
|  | 
 |