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-rw-r--r--include/asm-x86/div64.h60
1 files changed, 0 insertions, 60 deletions
diff --git a/include/asm-x86/div64.h b/include/asm-x86/div64.h
deleted file mode 100644
index f9530f23f1d6..000000000000
--- a/include/asm-x86/div64.h
+++ /dev/null
@@ -1,60 +0,0 @@
-#ifndef ASM_X86__DIV64_H
-#define ASM_X86__DIV64_H
-
-#ifdef CONFIG_X86_32
-
-#include <linux/types.h>
-
-/*
- * do_div() is NOT a C function. It wants to return
- * two values (the quotient and the remainder), but
- * since that doesn't work very well in C, what it
- * does is:
- *
- * - modifies the 64-bit dividend _in_place_
- * - returns the 32-bit remainder
- *
- * This ends up being the most efficient "calling
- * convention" on x86.
- */
-#define do_div(n, base) \
-({ \
- unsigned long __upper, __low, __high, __mod, __base; \
- __base = (base); \
- asm("":"=a" (__low), "=d" (__high) : "A" (n)); \
- __upper = __high; \
- if (__high) { \
- __upper = __high % (__base); \
- __high = __high / (__base); \
- } \
- asm("divl %2":"=a" (__low), "=d" (__mod) \
- : "rm" (__base), "0" (__low), "1" (__upper)); \
- asm("":"=A" (n) : "a" (__low), "d" (__high)); \
- __mod; \
-})
-
-static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
-{
- union {
- u64 v64;
- u32 v32[2];
- } d = { dividend };
- u32 upper;
-
- upper = d.v32[1];
- d.v32[1] = 0;
- if (upper >= divisor) {
- d.v32[1] = upper / divisor;
- upper %= divisor;
- }
- asm ("divl %2" : "=a" (d.v32[0]), "=d" (*remainder) :
- "rm" (divisor), "0" (d.v32[0]), "1" (upper));
- return d.v64;
-}
-#define div_u64_rem div_u64_rem
-
-#else
-# include <asm-generic/div64.h>
-#endif /* CONFIG_X86_32 */
-
-#endif /* ASM_X86__DIV64_H */