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-rw-r--r--contrib/compiler-rt/lib/ucmpti2.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/contrib/compiler-rt/lib/ucmpti2.c b/contrib/compiler-rt/lib/ucmpti2.c
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+++ b/contrib/compiler-rt/lib/ucmpti2.c
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+/* ===-- ucmpti2.c - Implement __ucmpti2 -----------------------------------===
+ *
+ * The LLVM Compiler Infrastructure
+ *
+ * This file is dual licensed under the MIT and the University of Illinois Open
+ * Source Licenses. See LICENSE.TXT for details.
+ *
+ * ===----------------------------------------------------------------------===
+ *
+ * This file implements __ucmpti2 for the compiler_rt library.
+ *
+ * ===----------------------------------------------------------------------===
+ */
+
+#include "int_lib.h"
+
+#ifdef CRT_HAS_128BIT
+
+/* Returns: if (a < b) returns 0
+ * if (a == b) returns 1
+ * if (a > b) returns 2
+ */
+
+si_int
+__ucmpti2(tu_int a, tu_int b)
+{
+ utwords x;
+ x.all = a;
+ utwords y;
+ y.all = b;
+ if (x.s.high < y.s.high)
+ return 0;
+ if (x.s.high > y.s.high)
+ return 2;
+ if (x.s.low < y.s.low)
+ return 0;
+ if (x.s.low > y.s.low)
+ return 2;
+ return 1;
+}
+
+#endif /* CRT_HAS_128BIT */