Commit eecb2072 authored by Michal Simek's avatar Michal Simek
Browse files

microblaze: Add __cmpdi2 



Some new kernel configurations require __cmpdi2 function.

Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent ed705633

arch/microblaze/lib/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ lib-y += uaccess_old.o 


lib-y += ashldi3.o

lib-y += ashrdi3.o

lib-y += cmpdi2.o

lib-y += divsi3.o

lib-y += lshrdi3.o

lib-y += modsi3.o

arch/microblaze/lib/cmpdi2.c

0 → 100644
+26 −0
Original line number Diff line number Diff line 
#include <linux/module.h>



#include "libgcc.h"



word_type __cmpdi2(long long a, long long b)

{

	const DWunion au = {

		.ll = a

	};

	const DWunion bu = {

		.ll = b

	};



	if (au.s.high < bu.s.high)

		return 0;

	else if (au.s.high > bu.s.high)

		return 2;



	if ((unsigned int) au.s.low < (unsigned int) bu.s.low)

		return 0;

	else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)

		return 2;



	return 1;

}

EXPORT_SYMBOL(__cmpdi2);