lkml.org 
[lkml]   [2002]   [Jan]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH] 64-bit divide tweaks
From
Date
Hi there,

printk, etc. are broken wrt printing 64-bit numbers (%ll, %L).

This patch fixes do_div, which did (on some archs) 32-bit divide.

Regards,
-velco

===== drivers/net/sk98lin/skproc.c 1.1 vs edited =====
--- 1.1/drivers/net/sk98lin/skproc.c Sat Dec 8 02:14:15 2001
+++ edited/drivers/net/sk98lin/skproc.c Fri Jan 25 21:20:06 2002
@@ -339,17 +339,6 @@
return (Rest);
}

-
-#if 0
-#define do_div(n,base) ({ \
-long long __res; \
-__res = ((unsigned long long) n) % (unsigned) base; \
-n = ((unsigned long long) n) / (unsigned) base; \
-__res; })
-
-#endif
-
-
/*****************************************************************************
*
* SkNumber - Print results
===== include/asm-arm/div64.h 1.1 vs edited =====
--- 1.1/include/asm-arm/div64.h Sat Dec 8 02:13:45 2001
+++ edited/include/asm-arm/div64.h Fri Jan 25 21:21:56 2002
@@ -1,12 +1,11 @@
#ifndef __ASM_ARM_DIV64
#define __ASM_ARM_DIV64

-/* 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 = ((unsigned long long)n) % (unsigned int)base; \
+ n = ((unsigned long long)n) / (unsigned int)base; \
__res; \
})

===== include/asm-cris/div64.h 1.1 vs edited =====
--- 1.1/include/asm-cris/div64.h Sat Dec 8 02:13:57 2001
+++ edited/include/asm-cris/div64.h Fri Jan 25 21:22:19 2002
@@ -3,12 +3,11 @@

/* copy from asm-arm */

-/* 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 = ((unsigned long long)n) % (unsigned int)base; \
+ n = ((unsigned long long)n) / (unsigned int)base; \
__res; \
})

===== include/asm-m68k/div64.h 1.1 vs edited =====
--- 1.1/include/asm-m68k/div64.h Sat Dec 8 02:13:35 2001
+++ edited/include/asm-m68k/div64.h Fri Jan 25 21:23:59 2002
@@ -26,8 +26,8 @@
#else
#define do_div(n,base) ({ \
int __res; \
- __res = ((unsigned long) n) % (unsigned) base; \
- n = ((unsigned long) n) / (unsigned) base; \
+ __res = ((unsigned long long) n) % (unsigned) base; \
+ n = ((unsigned long long) n) / (unsigned) base; \
__res; \
})
#endif
===== include/asm-ppc/div64.h 1.1 vs edited =====
--- 1.1/include/asm-ppc/div64.h Sat Dec 8 02:13:37 2001
+++ edited/include/asm-ppc/div64.h Fri Jan 25 21:28:49 2002
@@ -4,10 +4,9 @@
#ifndef __PPC_DIV64
#define __PPC_DIV64

-#define do_div(n,base) ({ \
-int __res; \
-__res = ((unsigned long) n) % (unsigned) base; \
-n = ((unsigned long) n) / (unsigned) base; \
-__res; })
-
+#define do_div(n,base) ({ \
+ int __res; \
+ __res = ((unsigned long long) n) % (unsigned) base; \
+ n = ((unsigned long long) n) / (unsigned) base; \
+ __res; })
#endif
===== include/asm-sh/div64.h 1.1 vs edited =====
--- 1.1/include/asm-sh/div64.h Sat Dec 8 02:13:46 2001
+++ edited/include/asm-sh/div64.h Fri Jan 25 21:29:31 2002
@@ -1,10 +1,9 @@
#ifndef __ASM_SH_DIV64
#define __ASM_SH_DIV64

-#define do_div(n,base) ({ \
-int __res; \
-__res = ((unsigned long) n) % (unsigned) base; \
-n = ((unsigned long) n) / (unsigned) base; \
-__res; })
-
+#define do_div(n,base) ({ \
+ int __res; \
+ __res = ((unsigned long long) n) % (unsigned) base; \
+ n = ((unsigned long long) n) / (unsigned) base; \
+ __res; })
#endif /* __ASM_SH_DIV64 */
===== include/asm-sparc/div64.h 1.1 vs edited =====
--- 1.1/include/asm-sparc/div64.h Sat Dec 8 02:13:36 2001
+++ edited/include/asm-sparc/div64.h Fri Jan 25 21:25:39 2002
@@ -1,11 +1,10 @@
#ifndef __SPARC_DIV64
#define __SPARC_DIV64

-/* We're not 64-bit, but... */
#define do_div(n,base) ({ \
int __res; \
- __res = ((unsigned long) n) % (unsigned) base; \
- n = ((unsigned long) n) / (unsigned) base; \
+ __res = ((unsigned long long) n) % (unsigned) base; \
+ n = ((unsigned long long) n) / (unsigned) base; \
__res; })

#endif /* __SPARC_DIV64 */
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-03-22 13:15    [W:0.054 / U:0.144 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site