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-rw-r--r--arch/blackfin/lib/umodsi3.S49
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diff --git a/arch/blackfin/lib/umodsi3.S b/arch/blackfin/lib/umodsi3.S
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+/*
+ * libgcc1 routines for Blackfin 5xx
+ *
+ * Copyright 2004-2009 Analog Devices Inc.
+ *
+ * Licensed under the ADI 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