From eecb20720f1b29019725515051e41bc7c079f91f Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 29 Nov 2011 13:05:30 +0100 Subject: microblaze: Add __cmpdi2 Some new kernel configurations require __cmpdi2 function. Signed-off-by: Michal Simek --- arch/microblaze/lib/cmpdi2.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 arch/microblaze/lib/cmpdi2.c (limited to 'arch/microblaze/lib/cmpdi2.c') diff --git a/arch/microblaze/lib/cmpdi2.c b/arch/microblaze/lib/cmpdi2.c new file mode 100644 index 000000000000..a708400ea7b7 --- /dev/null +++ b/arch/microblaze/lib/cmpdi2.c @@ -0,0 +1,26 @@ +#include + +#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); -- cgit v1.2.3