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authorThiemo Seufer <ths@networkno.de>2007-05-01 19:14:16 +0100
committerRalf Baechle <ralf@linux-mips.org>2007-05-11 14:28:30 +0100
commitdf6b106bf01a17a157013245c2851dec4d7b5a2b (patch)
tree4b0813e75569bdbbc6f89640d46fe8f400446008 /arch/mips/lib/ucmpdi2.c
parent774583f8bcfbdc423e51cb8b924d8c6cea4afbac (diff)
[MIPS] Add __ucmpdi2 implementation
Recent GCC SVN versions may generate calls to __ucmpdi2. Signed-off-by: Thiemo Seufer <ths@networkno.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/lib/ucmpdi2.c')
-rw-r--r--arch/mips/lib/ucmpdi2.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/mips/lib/ucmpdi2.c b/arch/mips/lib/ucmpdi2.c
new file mode 100644
index 00000000000..e9ff258ef02
--- /dev/null
+++ b/arch/mips/lib/ucmpdi2.c
@@ -0,0 +1,19 @@
+#include <linux/module.h>
+
+#include "libgcc.h"
+
+word_type __ucmpdi2 (unsigned long a, unsigned 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;
+}