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-rw-r--r--arch/nds32/math-emu/fs2d.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/nds32/math-emu/fs2d.c b/arch/nds32/math-emu/fs2d.c
new file mode 100644
index 000000000000..0e8db9035631
--- /dev/null
+++ b/arch/nds32/math-emu/fs2d.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2005-2018 Andes Technology Corporation
+
+#include <linux/uaccess.h>
+#include <asm/sfp-machine.h>
+#include <math-emu/double.h>
+#include <math-emu/single.h>
+#include <math-emu/soft-fp.h>
+
+void fs2d(void *ft, void *fa)
+{
+ FP_DECL_S(A);
+ FP_DECL_D(R);
+ FP_DECL_EX;
+
+ FP_UNPACK_SP(A, fa);
+
+ FP_CONV(D, S, 2, 1, R, A);
+
+ FP_PACK_DP(ft, R);
+
+ __FPU_FPCSR |= FP_CUR_EXCEPTIONS;
+}