[unix-history] / usr / src / lib / libc / tahoe / gen / umodsi3.s

/*
 * Copyright (c) 1988 Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 * This code is derived from software contributed to Berkeley by
 * Computer Consoles Inc.
 */

#if defined(LIBC_SCCS) && !defined(lint)
	.asciz "@(#)umodsi3.s	6.1 (Berkeley) %G%"
#endif /* LIBC_SCCS and not lint */

/*
 * Unsigned remainder for GCC.
 *
 * __umodsi3(dividend, divisor)
 */
#include "DEFS.h"

ENTRY(__umodsi3, 0)
	bitl	$0x80000000,8(fp)	#  if (divisor & 0x80000000){
	jeql	1f			  
	movl	4(fp),r0
	cmpl	8(fp),r0		#  if (divisor <= dividend )
	jgtru	2f
	subl2	8(fp),r0		#       return(dividend-divisor);
2:					#  else return(dividend);}
	ret
1:
	clrl	r2			#  return(dividend%divisor);
	movl	4(fp),r3
	ediv	8(fp),r2,r1,r0
	ret
Commit	Line	Data
cd5a0cd7 DS	1	/*
	2	* Copyright (c) 1988 Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* %sccs.include.redist.c%
	6	*
	7	* This code is derived from software contributed to Berkeley by
	8	* Computer Consoles Inc.
	9	*/
	10
	11	#if defined(LIBC_SCCS) && !defined(lint)
	12	.asciz "@(#)umodsi3.s 6.1 (Berkeley) %G%"
	13	#endif /* LIBC_SCCS and not lint */
	14
	15	/*
	16	* Unsigned remainder for GCC.
	17	*
	18	* __umodsi3(dividend, divisor)
	19	*/
	20	#include "DEFS.h"
	21
	22	ENTRY(__umodsi3, 0)
	23	bitl $0x80000000,8(fp) # if (divisor & 0x80000000){
	24	jeql 1f
	25	movl 4(fp),r0
	26	cmpl 8(fp),r0 # if (divisor <= dividend )
	27	jgtru 2f
	28	subl2 8(fp),r0 # return(dividend-divisor);
	29	2: # else return(dividend);}
	30	ret
	31	1:
	32	clrl r2 # return(dividend%divisor);
	33	movl 4(fp),r3
	34	ediv 8(fp),r2,r1,r0
	35	ret