| /* |
| * libgcc1 routines for Blackfin 5xx |
| * |
| * Copyright 2004-2009 Analog Devices Inc. |
| * |
| * Licensed under the Clear BSD license or the GPL-2 (or later) |
| */ |
| |
| #ifdef CONFIG_ARITHMETIC_OPS_L1 |
| .section .l1.text |
| #else |
| .text |
| #endif |
| |
| .extern ___udivsi3; |
| .type ___udivsi3, STT_FUNC; |
| .globl ___umodsi3 |
| .type ___umodsi3, STT_FUNC; |
| ___umodsi3: |
| |
| CC=R0==0; |
| IF CC JUMP .LRETURN_R0; /* Return 0, if NR == 0 */ |
| CC= R1==0; |
| IF CC JUMP .LRETURN_ZERO_VAL; /* Return 0, if DR == 0 */ |
| CC=R0==R1; |
| IF CC JUMP .LRETURN_ZERO_VAL; /* Return 0, if NR == DR */ |
| CC = R1 == 1; |
| IF CC JUMP .LRETURN_ZERO_VAL; /* Return 0, if DR == 1 */ |
| CC = R0<R1 (IU); |
| IF CC JUMP .LRETURN_R0; /* Return dividend (R0),IF NR<DR */ |
| |
| [--SP] = (R7:6); /* Push registers and */ |
| [--SP] = RETS; /* Return address */ |
| R7 = R0; /* Copy of R0 */ |
| R6 = R1; |
| SP += -12; /* Should always provide this space */ |
| CALL ___udivsi3; /* Compute unsigned quotient using ___udiv32()*/ |
| SP += 12; |
| R0 *= R6; /* Quotient * divisor */ |
| R0 = R7 - R0; /* Dividend - (quotient * divisor) */ |
| RETS = [SP++]; /* Pop return address */ |
| ( R7:6) = [SP++]; /* And registers */ |
| RTS; /* Return remainder */ |
| .LRETURN_ZERO_VAL: |
| R0 = 0; |
| .LRETURN_R0: |
| RTS; |
| |
| .size ___umodsi3, .-___umodsi3 |
