Initial import of compiler-rt.
-
llvm-svn: 74292
diff --git a/compiler-rt/lib/cmpti2.c b/compiler-rt/lib/cmpti2.c
new file mode 100644
index 0000000..775977a
--- /dev/null
+++ b/compiler-rt/lib/cmpti2.c
@@ -0,0 +1,40 @@
+//===-- cmpti2.c - Implement __cmpti2 -------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements __cmpti2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#if __x86_64
+
+#include "int_lib.h"
+
+// Returns: if (a < b) returns 0
+// if (a == b) returns 1
+// if (a > b) returns 2
+
+si_int
+__cmpti2(ti_int a, ti_int b)
+{
+ twords x;
+ x.all = a;
+ twords y;
+ y.all = b;
+ if (x.high < y.high)
+ return 0;
+ if (x.high > y.high)
+ return 2;
+ if (x.low < y.low)
+ return 0;
+ if (x.low > y.low)
+ return 2;
+ return 1;
+}
+
+#endif