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39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/* llround(). RISC-V version.
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Copyright (C) 2017-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<https://www.gnu.org/licenses/>. */
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#include <libm-alias-double.h>
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#include <stdint.h>
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#if __WORDSIZE == 64
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# define OP "fcvt.l.d"
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#elif __WORDSIZE == 32
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# define OP "fcvt.w.d"
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#else
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# error Unsupported
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#endif
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long int
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__lround (double x)
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{
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long int res;
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asm (OP "\t%0, %1, rmm" : "=r" (res) : "f" (x));
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return res;
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}
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libm_alias_double (__lround, lround)
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