1 files changed, 25 insertions, 0 deletions
diff --git a/StdLib/LibC/Main/Ipf/flt_rounds.c b/StdLib/LibC/Main/Ipf/flt_rounds.c
new file mode 100644
index 0000000000..0a18bb7390
--- /dev/null
+++ b/StdLib/LibC/Main/Ipf/flt_rounds.c
@@ -0,0 +1,25 @@
+/*
+ * Written by J.T. Conklin, Apr 10, 1995
+ * Public domain.
+ */
+
+#include <sys/EfiCdefs.h>
+/* __FBSDID("$FreeBSD: src/lib/libc/ia64/gen/flt_rounds.c,v 1.1 2004/07/19 08:17:24 das Exp $"); */
+
+#include <float.h>
+
+static const int map[] = {
+	1,	/* round to nearest */
+	3,	/* round to zero */
+	2,	/* round to negative infinity */
+	0	/* round to positive infinity */
+};
+
+int
+__flt_rounds(void)
+{
+	int x;
+
+	__asm("mov %0=ar.fpsr" : "=r" (x));
+        return (map[(x >> 10) & 0x03]);
+}