1 files changed, 28 insertions, 0 deletions
diff --git a/lib/libc/mips/gen/fpsetround.c b/lib/libc/mips/gen/fpsetround.c
new file mode 100644
index 0000000..9516d34
--- /dev/null
+++ b/lib/libc/mips/gen/fpsetround.c
@@ -0,0 +1,28 @@
+/*
+ * Written by J.T. Conklin, Apr 11, 1995
+ * Public domain.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char rcsid[] = "$OpenBSD$";
+#endif /* LIBC_SCCS and not lint */
+
+#include <ieeefp.h>
+
+fp_rnd
+fpsetround(rnd_dir)
+	fp_rnd rnd_dir;
+{
+	fp_rnd old;
+	fp_rnd new;
+
+	__asm__("cfc1 %0,$31" : "=r" (old));
+
+	new = old;
+	new &= ~0x03;
+	new |= (rnd_dir & 0x03);
+
+	__asm__("ctc1 %0,$31" : : "r" (new));
+
+	return old & 0x03;
+}