patch-2.3.40 linux/include/asm-arm/div64.h

• Lines: 40
• Date: Thu Jan 13 13:30:31 2000
• Orig file: v2.3.39/linux/include/asm-arm/div64.h
• Orig date: Tue Nov 23 22:42:21 1999

diff -u --recursive --new-file v2.3.39/linux/include/asm-arm/div64.h linux/include/asm-arm/div64.h
@@ -1,32 +1,13 @@
 #ifndef __ASM_ARM_DIV64
 #define __ASM_ARM_DIV64
 
-/*
- * unsigned long long division.  Yuck Yuck!  What is Linux coming to?
- * This is 100% disgusting
- */
-#define do_div(n,base)							\
-({									\
-	unsigned long __low, __low2, __high, __rem;			\
-	__low  = (n) & 0xffffffff;					\
-	__high = (n) >> 32;						\
-	if (__high) {							\
-		__rem   = __high % (unsigned long)base;			\
-		__high  = __high / (unsigned long)base;			\
-		__low2  = __low >> 16;					\
-		__low2 += __rem << 16;					\
-		__rem   = __low2 % (unsigned long)base;			\
-		__low2  = __low2 / (unsigned long)base;			\
-		__low   = __low & 0xffff;				\
-		__low  += __rem << 16;					\
-		__rem   = __low  % (unsigned long)base;			\
-		__low   = __low  / (unsigned long)base;			\
-		n = __low  + (__low2 << 16) + (__high << 32);		\
-	} else {							\
-		__rem = __low % (unsigned long)base;			\
-		n = (__low / (unsigned long)base);			\
-	}								\
-	__rem;								\
+/* We're not 64-bit, but... */
+#define do_div(n,base)						\
+({								\
+	int __res;						\
+	__res = ((unsigned long)n) % (unsigned int)base;	\
+	n = ((unsigned long)n) / (unsigned int)base;		\
+	__res;							\
 })
 
 #endif