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authorKevin2014-11-15 09:58:27 +0800
committerKevin2014-11-15 09:58:27 +0800
commit392e8802486cb573b916e746010e141a75f507e6 (patch)
tree50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/arch/microblaze/lib/cmpdi2.c
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init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/arch/microblaze/lib/cmpdi2.c')
-rw-r--r--ANDROID_3.4.5/arch/microblaze/lib/cmpdi2.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/microblaze/lib/cmpdi2.c b/ANDROID_3.4.5/arch/microblaze/lib/cmpdi2.c
new file mode 100644
index 00000000..a708400e
--- /dev/null
+++ b/ANDROID_3.4.5/arch/microblaze/lib/cmpdi2.c
@@ -0,0 +1,26 @@
+#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);