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Commit c8ae8a82 authored by Michal Simek's avatar Michal Simek
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microblaze: Add __ucmpdi2() helper function 



Add missing __ucmpdi2 helper function.

Error log:
kernel/built-in.o: In function `print_graph_duration':
: undefined reference to `__ucmpdi2'
kernel/built-in.o: In function `print_graph_duration':
: undefined reference to `__ucmpdi2'

Based on MIPS code.

Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent 15ec0908

arch/microblaze/lib/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -25,5 +25,6 @@ lib-y += lshrdi3.o 
lib-y += modsi3.o

lib-y += muldi3.o

lib-y += mulsi3.o

lib-y += ucmpdi2.o

lib-y += udivsi3.o

lib-y += umodsi3.o

arch/microblaze/lib/ucmpdi2.c

0 → 100644
+20 −0
Original line number Diff line number Diff line 
#include <linux/module.h>



#include "libgcc.h"



word_type __ucmpdi2(unsigned long long a, unsigned long long b)

{

	const DWunion au = {.ll = a};

	const DWunion bu = {.ll = b};



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

		return 0;

	else if ((unsigned int) au.s.high > (unsigned int) 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(__ucmpdi2);