Initial import of compiler-rt.
-
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@74292 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/absvdi2.c b/lib/absvdi2.c
new file mode 100644
index 0000000..b49554e
--- /dev/null
+++ b/lib/absvdi2.c
@@ -0,0 +1,29 @@
+//===-- absvdi2.c - Implement __absvdi2 -----------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements __absvdi2 for the compiler_rt library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+#include <stdlib.h>
+
+// Returns: absolute value
+
+// Effects: aborts if abs(x) < 0
+
+di_int
+__absvdi2(di_int a)
+{
+ const int N = (int)(sizeof(di_int) * CHAR_BIT);
+ if (a == ((di_int)1 << (N-1)))
+ abort();
+ const di_int t = a >> (N - 1);
+ return (a ^ t) - t;
+}