From c8ae8a820880cf8bf3588752ac0ded6d4d218d50 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Fri, 23 Sep 2011 08:46:24 +0200 Subject: [PATCH] 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: Michal Simek --- arch/microblaze/lib/Makefile | 1 + arch/microblaze/lib/ucmpdi2.c | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+) create mode 100644 arch/microblaze/lib/ucmpdi2.c diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile index 10c320aa908b..c13067b243c3 100644 --- a/arch/microblaze/lib/Makefile +++ b/arch/microblaze/lib/Makefile @@ -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 diff --git a/arch/microblaze/lib/ucmpdi2.c b/arch/microblaze/lib/ucmpdi2.c new file mode 100644 index 000000000000..63ca105b6713 --- /dev/null +++ b/arch/microblaze/lib/ucmpdi2.c @@ -0,0 +1,20 @@ +#include + +#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); -- GitLab