1/*
2 * libgcc1 routines for Blackfin 5xx
3 *
4 * Copyright 2004-2009 Analog Devices Inc.
5 *
6 * Licensed under the Clear BSD license or the GPL-2 (or later)
7 */
8
9#ifdef CONFIG_ARITHMETIC_OPS_L1
10.section .l1.text
11#else
12.text
13#endif
14
15.extern ___udivsi3;
16.type ___udivsi3, STT_FUNC;
17.globl	___umodsi3
18.type ___umodsi3, STT_FUNC;
19___umodsi3:
20
21	CC=R0==0;
22	IF CC JUMP .LRETURN_R0;		/* Return 0, if NR == 0 */
23	CC= R1==0;
24	IF CC JUMP .LRETURN_ZERO_VAL;	/* Return 0, if DR == 0 */
25	CC=R0==R1;
26	IF CC JUMP .LRETURN_ZERO_VAL;	/* Return 0, if NR == DR */
27	CC = R1 == 1;
28	IF CC JUMP .LRETURN_ZERO_VAL;	/* Return 0, if  DR == 1 */
29	CC = R0<R1 (IU);
30	IF CC JUMP .LRETURN_R0;		/* Return dividend (R0),IF NR<DR */
31
32	[--SP] = (R7:6);		/* Push registers and */
33	[--SP] = RETS;			/* Return address */
34	R7 = R0;			/* Copy of R0 */
35	R6 = R1;
36	SP += -12;			/* Should always provide this space */
37	CALL ___udivsi3;		/* Compute unsigned quotient using ___udiv32()*/
38	SP += 12;
39	R0 *= R6;			/* Quotient * divisor */
40	R0 = R7 - R0;			/* Dividend - (quotient * divisor) */
41	RETS = [SP++];			/* Pop return address */
42	( R7:6) = [SP++];		/* And registers */
43	RTS;				/* Return remainder */
44.LRETURN_ZERO_VAL:
45	R0 = 0;
46.LRETURN_R0:
47	RTS;
48
49.size ___umodsi3, .-___umodsi3
50