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84f3fb7a2a
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Greg Ungerer 84f3fb7a2a m68k: handle presence of 64bit mul/div instructions cleanly 
The traditional 68000 processors and the newer reduced instruction set
ColdFire processors do not support the 32*32->64 multiply or the 64/32->32
divide instructions. This is not a difference based on the presence of
a hardware MMU or not.

Create a new config symbol to mark that a CPU type doesn't support the
longer multiply/divide instructions. Use this then as a basis for using
the fast 64bit based divide (in div64.h) and for linking in the extra
libgcc functions that may be required (mulsi3, divsi3, etc).

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
2011-12-24 21:47:57 +10:00
..
alpha Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
arm Merge branch 'rmobile-fixes-for-linus' of git://github.com/pmundt/linux-sh 2011-12-20 11:32:18 -08:00
avr32 Merge git://git.infradead.org/mtd-2.6 2011-11-07 09:11:16 -08:00
blackfin blackfin: Fixup export.h includes 2011-11-14 17:15:23 +08:00
cris net: Fix references to deleted NET_ETHERNET Kconfig setting. 2011-11-09 19:26:53 -05:00
frv kgdb: follow rename pack_hex_byte() to hex_byte_pack() 2011-10-31 17:30:56 -07:00
h8300 Merge branch 'gpio/next' of git://git.secretlab.ca/git/linux-2.6 2011-10-29 07:27:45 -07:00
hexagon Hexagon: Add basic stacktrace functionality for Hexagon architecture. 2011-11-01 07:34:21 -07:00
ia64 Merge branch 'upstream/xen-settime' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen 2011-11-06 20:15:05 -08:00
m32r Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2011-11-06 18:54:53 -08:00
m68k m68k: handle presence of 64bit mul/div instructions cleanly 2011-12-24 21:47:57 +10:00
microblaze microblaze: bury asm/namei.h 2011-11-21 16:48:28 -05:00
mips Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2011-12-05 16:54:00 -08:00
mn10300 kgdb: follow rename pack_hex_byte() to hex_byte_pack() 2011-10-31 17:30:56 -07:00
openrisc Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2011-11-06 18:54:53 -08:00
parisc parisc: Add export.h to files needing EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:31:00 -04:00
powerpc powerpc/44x: Add mtd ndfc to the ppx44x defconfig 2011-11-25 10:06:00 +11:00
s390 oprofile: Fix uninitialized memory access when writing to writing to oprofilefs 2011-12-19 17:18:43 +01:00
score score: drop unused Kconfig symbols 2011-10-31 23:39:51 +01:00
sh sh: fix build warning in board-sh7757lcr 2011-11-18 16:45:50 +09:00
sparc sparc64: Fix MSIQ HV call ordering in pci_sun4v_msiq_build_irq(). 2011-12-22 13:46:53 -08:00
tile arch/tile: use new generic {enable,disable}_percpu_irq() routines 2011-12-03 15:31:49 -05:00
um Merge branch 'for-linus' of git://github.com/richardweinberger/linux 2011-11-02 09:45:39 -07:00
unicore32 unicore32, exec: remove redundant set_fs(USER_DS) 2011-11-16 10:50:09 +08:00
x86 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2011-12-21 18:29:26 -08:00
xtensa Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2011-10-26 17:15:03 +02:00
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