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+/*
+ * File: arch/blackfin/lib/umodsi3.S
+ * Based on:
+ * Author:
+ *
+ * Created:
+ * Description: libgcc1 routines for Blackfin 5xx
+ *
+ * Modified:
+ * Copyright 2004-2006 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifdef CONFIG_ARITHMETIC_OPS_L1
+.section .l1.text
+#else
+.text
+#endif
+
+.extern ___udivsi3;
+.globl ___umodsi3
+___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;