Implement __trunctfdf2 and __trunctfsf2 for IEEE quad precision.
Patch by: GuanHong Liu
Differential Revision: http://reviews.llvm.org/D2803
llvm-svn: 209782
diff --git a/compiler-rt/lib/builtins/trunctfdf2.c b/compiler-rt/lib/builtins/trunctfdf2.c
new file mode 100644
index 0000000..741a71b
--- /dev/null
+++ b/compiler-rt/lib/builtins/trunctfdf2.c
@@ -0,0 +1,22 @@
+//===-- lib/truncdfsf2.c - quad -> double conversion --------------*- C -*-===//
+//
+// 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.
+//
+//===----------------------------------------------------------------------===//
+
+#define QUAD_PRECISION
+#include "fp_lib.h"
+
+#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT)
+#define SRC_QUAD
+#define DST_DOUBLE
+#include "fp_trunc_impl.inc"
+
+COMPILER_RT_ABI double __trunctfdf2(long double a) {
+ return __truncXfYf2__(a);
+}
+
+#endif