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Commit fc26361e authored by David Howells's avatar David Howells Committed by Linus Torvalds
Browse files

mn10300: provide __ucmpdi2() for MN10300 



Provide __ucmpdi2() for MN10300 so that allmodconfig can be built.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Cc: Adrian Bunk <bunk@stusta.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7fc7228c

arch/mn10300/kernel/mn10300_ksyms.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -34,7 +34,9 @@ extern u64 __ashrdi3(u64, unsigned); 
extern u64 __ashldi3(u64, unsigned);

extern u64 __ashldi3(u64, unsigned);

extern u64 __lshrdi3(u64, unsigned);

extern u64 __lshrdi3(u64, unsigned);

extern s64 __negdi2(s64);

extern s64 __negdi2(s64);

extern int __ucmpdi2(u64, u64);

EXPORT_SYMBOL(__ashrdi3);

EXPORT_SYMBOL(__ashrdi3);

EXPORT_SYMBOL(__ashldi3);

EXPORT_SYMBOL(__ashldi3);

EXPORT_SYMBOL(__lshrdi3);

EXPORT_SYMBOL(__lshrdi3);

EXPORT_SYMBOL(__negdi2);

EXPORT_SYMBOL(__negdi2);

EXPORT_SYMBOL(__ucmpdi2);

arch/mn10300/lib/Makefile

+1 −1
Original line number Original line Diff line number Diff line
@@ -4,4 +4,4 @@ 




lib-y = delay.o usercopy.o checksum.o bitops.o memcpy.o memmove.o memset.o

lib-y = delay.o usercopy.o checksum.o bitops.o memcpy.o memmove.o memset.o

lib-y += do_csum.o

lib-y += do_csum.o

lib-y += __ashldi3.o __ashrdi3.o __lshrdi3.o negdi2.o
 
lib-y += __ashldi3.o __ashrdi3.o __lshrdi3.o negdi2.o __ucmpdi2.o

arch/mn10300/lib/__ucmpdi2.S

0 → 100644
+43 −0
Original line number Original line Diff line number Diff line 
/* __ucmpdi2.S: 64-bit unsigned compare

 *

 * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.

 * Written by David Howells (dhowells@redhat.com)

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version

 * 2 of the License, or (at your option) any later version.

 */





        .text

        .p2align	4



###############################################################################

#

# int __ucmpdi2(unsigned long long a [D0:D1],

#		unsigned long long b [(SP,12),(SP,16)])

#

# - returns 0, 1, or 2 as a <, =, > b respectively.

#

###############################################################################

        .globl		__ucmpdi2

        .type		__ucmpdi2,@function

__ucmpdi2:

	mov		(12,sp),a0		# b.lsw

	mov		(16,sp),a1		# b.msw



	sub		a0,d0

	subc		a1,d1			# may clear Z, never sets it

	bne		__ucmpdi2_differ	# a.msw != b.msw

	mov		+1,d0

	rets



__ucmpdi2_differ:

	# C flag is set if LE, clear if GE

	subc		d0,d0			# -1 if LE, 0 if GE

	add		+1,d0			#  0 if LE, 1 if GE

	add		d0,d0			#  0 if LE, 2 if GE

	rets



	.size		__ucmpdi2, .-__ucmpdi2