* 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; \
+#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; \
})
/*
*
* Warning, this will do an exception if X overflows.
*/
-#define div_long_long_rem(a,b,c) div_ll_X_l_rem(a,b,c)
+#define div_long_long_rem(a, b, c) div_ll_X_l_rem(a, b, c)
-static inline long
-div_ll_X_l_rem(long long divs, long div, long *rem)
+static inline long div_ll_X_l_rem(long long divs, long div, long *rem)
{
long dum2;
- __asm__("divl %2":"=a"(dum2), "=d"(*rem)
- : "rm"(div), "A"(divs));
+ asm("divl %2":"=a"(dum2), "=d"(*rem)
+ : "rm"(div), "A"(divs));
return dum2;