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| author | David S. Miller <davem@davemloft.net> | 2019-06-07 21:00:14 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-06-07 21:00:14 +0300 |
| commit | a6cdeeb16bff89c8486324f53577db058cbe81ba (patch) | |
| tree | de2d38e10f5768bdf1d2902112a4803d0ae767f3 /arch/nds32/math-emu/fs2ui.c | |
| parent | 96524ea4be04683bb3ad8ebaedcbe3a6e34302de (diff) | |
| parent | 1e1d926369545ea09c98c6c7f5d109aa4ee0cd0b (diff) | |
| download | linux-a6cdeeb16bff89c8486324f53577db058cbe81ba.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Some ISDN files that got removed in net-next had some changes
done in mainline, take the removals.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/nds32/math-emu/fs2ui.c')
| -rw-r--r-- | arch/nds32/math-emu/fs2ui.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/nds32/math-emu/fs2ui.c b/arch/nds32/math-emu/fs2ui.c new file mode 100644 index 000000000000..c337f0384d06 --- /dev/null +++ b/arch/nds32/math-emu/fs2ui.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2005-2019 Andes Technology Corporation +#include <linux/uaccess.h> + +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/single.h> + +void fs2ui(void *ft, void *fa) +{ + unsigned int r; + + FP_DECL_S(A); + FP_DECL_EX; + + FP_UNPACK_SP(A, fa); + + if (A_c == FP_CLS_INF) { + *(unsigned int *)ft = (A_s == 0) ? 0xffffffff : 0x00000000; + __FPU_FPCSR |= FP_EX_INVALID; + } else if (A_c == FP_CLS_NAN) { + *(unsigned int *)ft = 0xffffffff; + __FPU_FPCSR |= FP_EX_INVALID; + } else { + FP_TO_INT_ROUND_S(r, A, 32, 0); + __FPU_FPCSR |= FP_CUR_EXCEPTIONS; + *(unsigned int *)ft = r; + } +} |