1 files changed, 37 insertions, 0 deletions
diff --git a/lib/libc/arch/sh/gen/flt_rounds.c b/lib/libc/arch/sh/gen/flt_rounds.c
new file mode 100644
index 00000000000..dcee4aeb078
--- /dev/null
+++ b/lib/libc/arch/sh/gen/flt_rounds.c
@@ -0,0 +1,37 @@
+/*	$OpenBSD: flt_rounds.c,v 1.1 2006/10/10 22:07:10 miod Exp $	*/
+/*
+ * Copyright (c) 2006 Miodrag Vallat.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice, this permission notice, and the disclaimer below
+ * appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <machine/float.h>
+#include <machine/ieeefp.h>
+
+static const int rndmap[] = {
+	1,	/* round to nearest */
+	0,	/* round to zero */
+	2,	/* round to positive infinity */
+	3	/* round to negative infinity */
+};
+
+int
+__flt_rounds()
+{
+	register_t fpscr;
+
+	__asm__ __volatile__ ("sts fpscr, %0" : "=r" (fpscr));
+	return rndmap[fpscr & 0x03];
+}