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Diffstat (limited to '')
-rw-r--r-- | arch/nds32/math-emu/fsqrtd.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/nds32/math-emu/fsqrtd.c b/arch/nds32/math-emu/fsqrtd.c new file mode 100644 index 000000000..c3a8dbd81 --- /dev/null +++ b/arch/nds32/math-emu/fsqrtd.c @@ -0,0 +1,21 @@ +// 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/soft-fp.h> +#include <math-emu/double.h> +void fsqrtd(void *ft, void *fa) +{ + FP_DECL_D(A); + FP_DECL_D(R); + FP_DECL_EX; + + FP_UNPACK_DP(A, fa); + + FP_SQRT_D(R, A); + + FP_PACK_DP(ft, R); + + __FPU_FPCSR |= FP_CUR_EXCEPTIONS; +} |