-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Hirokazu Takata
authored and
Linus Torvalds
committed
Jun 22, 2005
1 parent
918ce0d
commit 5e67c20
Showing
2 changed files
with
2 additions
and
39 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,2 +1,2 @@ | ||
--- | ||
refs/heads/master: 960c2a89a051333d2e6793a416d9a33c4b116b41 | ||
refs/heads/master: 5757b284a300e0e5d2173750906625b6470bd9f0 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,38 +1 @@ | ||
#ifndef _ASM_M32R_DIV64 | ||
#define _ASM_M32R_DIV64 | ||
|
||
/* $Id$ */ | ||
|
||
/* unsigned long long division. | ||
* Input: | ||
* unsigned long long n | ||
* unsigned long base | ||
* Output: | ||
* n = n / base; | ||
* return value = n % base; | ||
*/ | ||
#define do_div(n, base) \ | ||
({ \ | ||
unsigned long _res, _high, _mid, _low; \ | ||
\ | ||
_low = (n) & 0xffffffffUL; \ | ||
_high = (n) >> 32; \ | ||
if (_high) { \ | ||
_mid = (_high % (unsigned long)(base)) << 16; \ | ||
_high = _high / (unsigned long)(base); \ | ||
_mid += _low >> 16; \ | ||
_low &= 0x0000ffffUL; \ | ||
_low += (_mid % (unsigned long)(base)) << 16; \ | ||
_mid = _mid / (unsigned long)(base); \ | ||
_res = _low % (unsigned long)(base); \ | ||
_low = _low / (unsigned long)(base); \ | ||
n = _low + ((long long)_mid << 16) + \ | ||
((long long)_high << 32); \ | ||
} else { \ | ||
_res = _low % (unsigned long)(base); \ | ||
n = (_low / (unsigned long)(base)); \ | ||
} \ | ||
_res; \ | ||
}) | ||
|
||
#endif /* _ASM_M32R_DIV64 */ | ||
#include <asm-generic/div64.h> |